FN Thomson Reuters Web of Science™ VR 1.0 PT J AU Lanata, N Yao, YX Deng, XY Wang, CZ Ho, KM Kotliar, G AF Lanata, Nicola Yao, Yong-Xin Deng, Xiaoyu Wang, Cai-Zhuang Ho, Kai-Ming Kotliar, Gabriel TI Gutzwiller renormalization group SO PHYSICAL REVIEW B LA English DT Article ID TRANSITION-METALS; KONDO PROBLEM; QUANTUM; FERROMAGNETISM; SYSTEMS; MODEL AB We develop a variational scheme called the "Gutzwiller renormalization group" (GRG), which enables us to calculate the ground state of Anderson impurity models (AIM) with arbitrary numerical precision. Our method exploits the low-entanglement property of the ground state of local Hamiltonians in combination with the framework of the Gutzwiller wave function and indicates that the ground state of the AIM has a very simple structure, which can be represented very accurately in terms of a surprisingly small number of variational parameters. We perform benchmark calculations of the single-band AIM that validate our theory and suggest that the GRG might enable us to study complex systems beyond the reach of the other methods presently available and pave the way to interesting generalizations, e.g., to nonequilibrium transport in nanostructures. C1 [Lanata, Nicola] Florida State Univ, Dept Phys, Tallahassee, FL 32306 USA. [Lanata, Nicola] Florida State Univ, Natl High Magnet Field Lab, Tallahassee, FL 32306 USA. [Yao, Yong-Xin; Wang, Cai-Zhuang; Ho, Kai-Ming] Iowa State Univ, Ames Lab, US DOE, Ames, IA 50011 USA. [Yao, Yong-Xin; Wang, Cai-Zhuang; Ho, Kai-Ming] Iowa State Univ, Dept Phys & Astron, Ames, IA 50011 USA. [Deng, Xiaoyu; Kotliar, Gabriel] Rutgers State Univ, Dept Phys & Astron, Piscataway, NJ 08856 USA. RP Lanata, N (reprint author), Florida State Univ, Dept Phys, Tallahassee, FL 32306 USA. RI Deng, Xiaoyu/F-2322-2015 OI Deng, Xiaoyu/0000-0001-7802-0966 FU U.S. DOE Office of Basic Energy Sciences [DE-FG02-99ER45761]; U.S. Department of Energy, Office of Basic Energy Sciences, Division of Materials Sciences and Engineering; U.S. Department of Energy [DE-AC02-07CH11358] FX We thank Natan Andrei, Vladimir Dobrosavljevic, and Michele Fabrizio for useful discussions. N.L., X.D., and G.K. were supported by the U.S. DOE Office of Basic Energy Sciences under Grant No. DE-FG02-99ER45761. Research at Ames Laboratory was supported by the U.S. Department of Energy, Office of Basic Energy Sciences, Division of Materials Sciences and Engineering. Ames Laboratory is operated for the U.S. Department of Energy by Iowa State University under Contract No. DE-AC02-07CH11358. NR 39 TC 0 Z9 0 U1 1 U2 9 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 1098-0121 EI 1550-235X J9 PHYS REV B JI Phys. Rev. B PD JAN 6 PY 2016 VL 93 IS 4 AR 045103 DI 10.1103/PhysRevB.93.045103 PG 5 WC Physics, Condensed Matter SC Physics GA DA2ZJ UT WOS:000367665400002 ER PT J AU Abazov, VM Alton, A Burdin, S Deterre, C Grohsjean, A La Cruz, IHD Partridge, R Hesketh, G Luna-Garcia, R Santos, AS Meyer, J Patwa, A Cooke, M Borysova, M Jabeen, S Williams, MRJ AF Abazov, V. M. Alton, A. Burdin, S. Deterre, C. Grohsjean, A. La Cruz, I. Heredia-De Partridge, R. Hesketh, G. Luna-Garcia, R. Santos, A. S. Meyer, J. Patwa, A. Cooke, M. Borysova, M. Jabeen, S. Williams, M. R. J. CA D0 Collaboration TI Search for Violation of CPT and Lorentz Invariance in B-s(0) Meson Oscillations (vol 115, 161601, 2015) SO PHYSICAL REVIEW LETTERS LA English DT Correction C1 [Alton, A.] Augustana Coll, Sioux Falls, SD USA. [Burdin, S.] Univ Liverpool, Liverpool L69 3BX, Merseyside, England. [Deterre, C.; Grohsjean, A.] DESY, Hamburg, Germany. [La Cruz, I. Heredia-De] CONACyT, Mexico City, DF, Mexico. [Partridge, R.] SLAC, Menlo Pk, CA USA. [Hesketh, G.] UCL, London, England. [Luna-Garcia, R.] IPN, Centro Invest Computac, Mexico City 07738, DF, Mexico. [Santos, A. S.] Univ Estadual Paulista, Sao Paulo, Brazil. [Meyer, J.] KIT, SCC, D-76128 Karlsruhe, Germany. [Patwa, A.] US DOE, Off Sci, Washington, DC 20585 USA. [Cooke, M.] Amer Assoc Advancement Sci, Washington, DC 20005 USA. [Borysova, M.] Kiev Inst Nucl Res, Kiev, Ukraine. [Jabeen, S.] Univ Maryland, College Pk, MD 20742 USA. [Williams, M. R. J.] European Org Nucl Res CERN, Geneva, Switzerland. RI Li, Liang/O-1107-2015 OI Li, Liang/0000-0001-6411-6107 NR 1 TC 0 Z9 0 U1 2 U2 6 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 0031-9007 EI 1079-7114 J9 PHYS REV LETT JI Phys. Rev. Lett. PD JAN 6 PY 2016 VL 116 IS 1 AR 019901 DI 10.1103/PhysRevLett.116.019901 PG 1 WC Physics, Multidisciplinary SC Physics GA DA3DZ UT WOS:000367678200010 PM 26799049 ER PT J AU Pacheco, JM Lee, KN Eschbaumer, M Bishop, EA Hartwig, EJ Pauszek, SJ Smoliga, GR Kim, SM Park, JH Ko, YJ Lee, HS Tark, D Cho, IS Kim, B Rodriguez, LL Arzt, J AF Pacheco, Juan M. Lee, Kwang-Nyeong Eschbaumer, Michael Bishop, Elizabeth A. Hartwig, Ethan J. Pauszek, Steven J. Smoliga, George R. Kim, Su-Mi Park, Jong-Hyeon Ko, Young-Joon Lee, Hyang-Sim Tark, Dongseob Cho, In-Soo Kim, Byounghan Rodriguez, Luis L. Arzt, Jonathan TI Evaluation of Infectivity, Virulence and Transmission of FDMV Field Strains of Serotypes O and A Isolated In 2010 from Outbreaks in the Republic of Korea SO PLOS ONE LA English DT Article ID MOUTH-DISEASE VIRUS; CONTACT TRANSMISSION; CATTLE; PIGS; PATHOGENESIS; DIAGNOSIS; ERADICATION; PANASIA; SPREAD; SWINE AB Since the early 2000s outbreaks of foot-and-mouth disease (FMD) have been described in several previously FMD-free Asian nations, including the Republic of Korea (South Korea). One outbreak with FMD virus (FDMV) serotype A and two with serotype O occurred in South Korea in 2010/2011. The causative viruses belonged to lineages that had been spreading in South East Asia, far East and East Asia since 2009 and presented a great threat to the countries in that region. Most FMDV strains infect ruminants and pigs, as it happened during the outbreaks of FMDV serotype O in South Korea. Contrastingly, the strain of serotype A affected only ruminants. Based upon these findings, the intention of the work described in the current report was to characterize and compare the infectivity, virulence and transmission of both strains under laboratory conditions in cattle and pigs, by direct inoculation and contact exposure. As expected, FMDV serotype O was highly virulent in both cattle and swine by contact exposure and direct inoculation. Surprisingly, FMDV serotype A was highly virulent in swine, but was less infectious in cattle by contact exposure to infected swine or cattle. Interestingly, similar quantities of aerosolized FMDV RNA were detected during experiments with viruses of serotypes O and A. Specific virus-host interaction of A/SKR/2010 could affect the transmission of this strain to cattle, and this may explain in part the limited spread of the serotype A epizootic. C1 [Pacheco, Juan M.; Eschbaumer, Michael; Bishop, Elizabeth A.; Hartwig, Ethan J.; Pauszek, Steven J.; Smoliga, George R.; Rodriguez, Luis L.; Arzt, Jonathan] ARS, Plum Isl Anim Dis Ctr, Foreign Anim Dis Res Unit, USDA, Plum Isl, NY 11957 USA. [Lee, Kwang-Nyeong; Kim, Su-Mi; Park, Jong-Hyeon; Ko, Young-Joon; Lee, Hyang-Sim; Tark, Dongseob; Cho, In-Soo; Kim, Byounghan] Anim & Plant Quarantine Agcy, Dept Anim & Plant Hlth Res, Anyang Si, Gyeonggi Do, South Korea. [Eschbaumer, Michael] Oak Ridge Inst Sci & Educ, PIADC Res Participat Program, Oak Ridge, TN USA. RP Pacheco, JM (reprint author), ARS, Plum Isl Anim Dis Ctr, Foreign Anim Dis Res Unit, USDA, Plum Isl, NY 11957 USA. EM juanmanuelpacheco@hotmail.com OI Pacheco, Juan/0000-0001-5477-0201; Arzt, Jonathan/0000-0002-7517-7893 FU USDA-ARS CRIS project [8064-32000-057-00D]; Agricultural Research Service (ARS), USDA [58-1940-1-034F]; National Veterinary Research and Quarantine Service (NVRQS), Republic of Korea [58-1940-1-034F]; Animal and Plant Quarantine Agency (QIA), Republic of Korea; PIADC Research Participation Program fellowships; Animal Research Branch at PIADC FX This project was funded by USDA-ARS CRIS project 8064-32000-057-00D. Additional funding came from collaborative agreement 58-1940-1-034F between Agricultural Research Service (ARS), USDA and National Veterinary Research and Quarantine Service (NVRQS), Republic of Korea with support from the Animal and Plant Quarantine Agency (QIA), Republic of Korea.; We would like to thank the Animal Research Branch at PIADC for assistance and support during animal studies. Michael Eschbaumer is a recipient of a PIADC Research Participation Program fellowships, administered by the Oak Ridge Institute for Science and Education (ORISE) through an interagency agreement with the U.S. Department of Energy. NR 33 TC 1 Z9 1 U1 0 U2 4 PU PUBLIC LIBRARY SCIENCE PI SAN FRANCISCO PA 1160 BATTERY STREET, STE 100, SAN FRANCISCO, CA 94111 USA SN 1932-6203 J9 PLOS ONE JI PLoS One PD JAN 6 PY 2016 VL 11 IS 1 AR e0146445 DI 10.1371/journal.pone.0146445 PG 21 WC Multidisciplinary Sciences SC Science & Technology - Other Topics GA DA4XE UT WOS:000367805100048 PM 26735130 ER PT J AU Agarwal, S Quach, TT Parekh, O Hsia, AH DeBenedictis, EP James, CD Marinella, MJ Aimone, JB AF Agarwal, Sapan Quach, Tu-Thach Parekh, Ojas Hsia, Alexander H. DeBenedictis, Erik P. James, Conrad D. Marinella, Matthew J. Aimone, James B. TI Energy Scaling Advantages of Resistive Memory Crossbar Based Computation and Its Application to Sparse Coding SO FRONTIERS IN NEUROSCIENCE LA English DT Article DE resistive memory; memristor; sparse coding; energy; neuromorphic computing ID MEMRISTOR; SYNAPSES; ARRAY; RESISTANCE; CIRCUIT; ELEMENT; DENSITY; NETWORK; DEVICE; SYSTEM AB The exponential increase in data over the last decade presents a significant challenge to analytics efforts that seek to process and interpret such data for various applications. Neural-inspired computing approaches are being developed in order to leverage the computational properties of the analog, low power data processing observed in biological systems. Analog resistive memory crossbars can perform a parallel read or a vector-matrix multiplication as well as a parallel write or a rank-1 update with high computational efficiency. For an N x N crossbar, these two kernels can be O(N) more energy efficient than a conventional digital memory-based architecture. If the read operation is noise limited, the energy to read a column can be independent of the crossbar size (O(1)). These two kernels form the basis of many neuromorphic algorithms such as image, text, and speech recognition. For instance, these kernels can be applied to a neural sparse coding algorithm to give an O(N) reduction in energy for the entire algorithm when run with finite precision. Sparse coding is a rich problem with a host of applications including computer vision, object tracking, and more generally unsupervised learning. C1 [Agarwal, Sapan; Hsia, Alexander H.; James, Conrad D.; Marinella, Matthew J.] Sandia Natl Labs, Microsyst Sci & Techol, Albuquerque, NM 87185 USA. [Quach, Tu-Thach] Sandia Natl Labs, Sensor Exploitat, Albuquerque, NM 87185 USA. [Parekh, Ojas; DeBenedictis, Erik P.; Aimone, James B.] Sandia Natl Labs, Ctr Comp Res, Albuquerque, NM 87185 USA. RP Agarwal, S (reprint author), Sandia Natl Labs, Microsyst Sci & Techol, POB 5800, Albuquerque, NM 87185 USA. EM sagarwa@sandia.gov; jbaimon@sandia.gov RI Aimone, James/H-4694-2016; OI Aimone, James/0000-0002-7361-253X; Agarwal, Sapan/0000-0002-3676-6986 FU Sandia National Laboratories' Laboratory Directed Research and Development (LDRD) Program under the Hardware Acceleration of Adaptive Neural Algorithms Grand Challenge; U.S. Department of Energy's National Nuclear Security Administration [DE-AC04-94AL85000] FX This work was supported by Sandia National Laboratories' Laboratory Directed Research and Development (LDRD) Program under the Hardware Acceleration of Adaptive Neural Algorithms Grand Challenge. Sandia National Laboratories is a multi program laboratory managed and operated by Sandia Corporation, a wholly owned subsidiary of Lockheed Martin Corporation, for the U.S. Department of Energy's National Nuclear Security Administration under Contract DE-AC04-94AL85000 NR 35 TC 2 Z9 2 U1 4 U2 16 PU FRONTIERS MEDIA SA PI LAUSANNE PA PO BOX 110, EPFL INNOVATION PARK, BUILDING I, LAUSANNE, 1015, SWITZERLAND SN 1662-453X J9 FRONT NEUROSCI-SWITZ JI Front. Neurosci. PD JAN 6 PY 2016 VL 9 AR 484 DI 10.3389/fnins.2015.00484 PG 9 WC Neurosciences SC Neurosciences & Neurology GA DA1SI UT WOS:000367575400001 ER PT J AU Aad, G Abbott, B Abdallah, J Abdinov, O Aben, R Abolins, M AbouZeid, OS Abramowicz, H Abreu, H Abreu, R Abulaiti, Y Acharya, BS Adamczyka, L Adams, DL Adelman, J Adomeit, S Adye, T Affolder, AA Agatonovic-Jovin, T Aguilar-Saavedra, JA Ahlen, SP Ahmadov, F Aielli, G Akerstedt, H Aring;kesson, TPA Akimoto, G Akimov, AV Alberghi, GL Albert, J Albrand, S Verzini, MJA Aleksa, M Aleksandrov, IN Alexa, C Alexander, G Alexopoulos, T Alhroob, M Alimontia, G Alio, L Alison, J Alkire, SP Allbrooke, BMM Allport, PP Aloisio, A Alonso, A Alonso, F Alpigiani, C Altheimer, A Gonzalez, BA Piqueras, DA Alviggi, MG Amadio, BT Amako, K Coutinho, YA Amelung, C Amidei, D Santos, SPA Amorim, A Amoroso, S Amram, N Amundsen, G Anastopoulos, C Ancu, LS Andari, N Andeen, T Anders, CF Anders, G Anders, JK Anderson, KJ Andreazza, A Andrei, V Angelidakis, S Angelozzi, I Anger, P Angerami, A Anghinolfi, F Anisenkov, AV Anjos, N Annovi, A Antonelli, M Antonov, A Antos, J Anulli, F Aoki, M Bella, LA Arabidze, G Arai, Y Araquea, JP Arce, ATH Arduh, FA Arguin, JF Argyropoulos, S Arik, M Armbruster, AJ Arnaez, O Arnal, V Arnold, H Arratia, M Arslan, O Artamonov, A Artoni, G Asai, S Asbah, N Ashkenazi, A Aring;sman, B Asquith, L Assamagan, K Astalos, R Atkinson, M Atlay, NB Auerbach, B Augsten, K Aurousseau, M Avolio, G Axen, B Ayoub, MK Azuelos, G Baak, MA Baas, AE Bacci, C Bachacou, H Bachas, K Backes, M Backhaus, M Bagiacchi, P Bagnaia, P Bai, Y Bain, T Baines, JT Baker, OK Balek, P Balestri, T Balli, F Banas, E Banerjee, S Bannoura, AAE Bansil, HS Barak, L Barberio, EL Barberis, D Barbero, M Barillari, T Barisonzi, M Barklow, T Barlow, N Barnes, SL Barnett, BM Barnett, RM Barnovska, Z Baroncelli, A Barone, G Barr, AJ Barreiro, F da Costa, JBG Bartoldus, R Barton, AE Bartos, P Basalaev, A Bassalat, A Basye, A Bates, RL Batista, SJ Batley, JR Battaglia, M Bauce, M Bauer, F Bawa, HS Beacham, JB Beattie, MD Beau, T Beauchemin, PH Beccherle, R Bechtle, P Beck, HP Becker, K Becker, M Becker, S Beckingham, M Becot, C Beddall, AJ Beddall, A Bednyakov, VA Bee, CP Beemster, LJ Beermann, TA Begel, M Behr, JK Belanger-Champagne, C Bell, WH Bella, G Bellagamba, L Bellerive, A Bellomo, M Belotskiy, K Beltramello, O Benary, O Benchekroun, D Bender, M Bendtz, K Benekos, N Benhammou, Y Noccioli, EB Garcia, JAB Benjamin, DP Bensinger, JR Bentvelsen, S Beresford, L Beretta, M Berge, D Kuutmann, EB Berger, N Berghaus, F Beringer, J Bernard, C Bernard, NR Bernius, C Bernlochner, FU Berry, T Berta, P Bertella, C Bertoli, G Bertolucci, F Bertsche, C Bertsche, D Besana, MI Besjes, GJ Bylund, OB Bessner, M Besson, N Betancourt, C Bethke, S Bevan, AJ Bhimji, W Bianchi, RM Bianchini, L Bianco, M Biebel, O Bieniek, SP Biglietti, M De Mendizabal, JB Bilokon, H Bindi, M Binet, S Bingul, A Bini, C Black, CW Black, JE Black, KM Blackburn, D Blair, RE Blanchard, JB Blanco, JE Blazek, T Bloch, I Blocker, C Blum, W Blumenschein, U Bobbink, GJ Bobrovnikov, VS Bocchetta, SS Bocci, A Bock, C Boehler, M Bogaerts, JA Bogavac, D Bogdanchikov, AG Bohm, C Boisvert, V Bold, T Boldea, V Boldyrev, AS Bomben, M Bona, M Boonekamp, M Borisov, A Borissov, G Borroni, S Bortfeldt, J Bortolotto, V Bos, K Boscherini, D Bosman, M Boudreau, J Bouffard, J Bouhova-Thacker, EV Boumediene, D Bourdarios, C Bousson, N Boveia, A Boyd, J Boyko, IR Bozic, I Bracinik, J Brandt, A Brandt, G Brandt, O Bratzler, U Brau, B Brau, JE Braun, HM Brazzale, SF Madden, WDB Brendlinger, K Brennan, AJ Brenner, L Brenner, R Bressler, S Bristow, K Bristow, TM Britton, D Britzger, D Brochu, FM Brock, I Brock, R Bronner, J Brooijmans, G Brooks, T Brooks, WK Brosamer, J Brost, E Brown, J de Renstrom, PAB Bruncko, D Bruneliere, R Bruni, A Bruni, G Bruschi, M Bruscino, N Bryngemark, L Buanes, T Buat, Q Buchholz, P Buckley, AG Buda, SI Budagov, IA Buehrer, F Bugge, L Bugge, MK Bulekov, 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Chakraborty, D Chalupkova, I Chang, P Chapleau, B Chapman, JD Charlton, DG Chau, CC Barajas, CAC Cheatham, S Chegwidden, A Chekanov, S Chekulaev, SV Chelkov, GA Chelstowska, MA Chen, C Chen, H Chen, K Chen, L Chen, S Chen, X Chen, Y Cheng, HC Cheng, Y Cheplakov, A Cheremushkina, E El Mourslie, RC Chernyatin, V Cheu, E Chevalier, L Chiarella, V Childers, JT Chiodini, G Chisholm, AS Chislett, RT Chitan, A Chizhov, MV Choi, K Chouridou, S Chow, BKB Christodoulou, V Chromek-Burckhart, D Chudoba, J Chuinard, AJ Chwastowski, JJ Chytka, L Ciapetti, G Ciftci, AK Cinca, D Cindro, V Cioara, IA Ciocio, A Citron, ZH Ciubancana, M Clark, A Clark, BL Clark, PJ Clarke, RN Cleland, W Clement, C Coadou, Y Cobal, M Coccaro, A Cochran, J Coffey, L Cogan, JG Cole, B Cole, S Colijn, AP Collot, J Colombo, T Compostella, G Muino, PC Coniavitis, E Connell, SH Connelly, IA Consonni, SM Consorti, V Constantinescu, S Conta, C Conti, G Conventi, F Cooke, M Cooper, BD Cooper-Sarkar, AM Cornelissen, T Corradi, M Corriveau, F Corso-Radu, A Cortes-Gonzalez, A Cortiana, G Costa, G Costa, MJ Costanzo, D Cote, D Cottin, G Cowan, G Cox, BE Cranmer, K Cree, G Crepe-Renaudin, S Crescioli, F Cribbsa, WA Ortuzar, MC Cristinziani, M Croft, V Crosetti, G Donszelmann, TC Cummings, J Curatolo, M Cuthbert, C Czirr, H Czodrowski, P D'Auria, S D'Onofrio, M De Sousa, MJDS Da Via, C Dabrowski, W Dafinca, A Dai, T Dale, O Dallaire, F Dallapiccola, C Dam, M Dandoy, JR Dang, NP Daniells, AC Danninger, M Hoffmann, MD Dao, V Darbo, G Darmora, S Dassoulas, J Dattagupta, A Davey, W David, C Davidek, T Davies, E Davies, M Davison, P Davygora, Y Dawe, E Dawson, I Daya-Ishmukhametova, RK De, K De Asmundis, R De Castro, S De Cecco, S De Groot, N de Jong, P De la Torre, H De Lorenzi, F De Nooij, L De Pedis, D De Salvo, A De Sanctis, U De Santo, A De Regie, JBDV Dearnaley, WJ Debbe, R Debenedetti, C Dedovich, DV Deigaard, I Del Peso, J Del Prete, T Delgove, D Deliot, F Delitzsch, CM Deliyergiyev, M Dell'Acqua, A Dell'Asta, L Dell'Orso, M Della Pietra, M della Volpe, D Delmastro, M Delsart, PA Deluca, C DeMarco, DA Demers, S Demichev, M Demilly, A Denisov, SP Derendarz, D Derkaoui, JE Derue, F Dervan, P Desch, K Deterre, C Deviveiros, PO Dewhurst, A Dhaliwal, S Di Ciaccio, A Di Ciaccio, L Di Domenico, A Di Donato, C Di Girolamo, A Di Girolamo, B Di Mattia, A Di Micco, B Di Nardo, R Di Simone, A Di Sipio, R Di Valentino, D Diaconu, C Diamond, M Dias, FA Diaz, MA Diehl, EB Dietrich, J Diglio, S Dimitrievska, A Dingfelder, J Dita, P Dita, S Dittus, F Djama, F Djobava, T Djuvsland, JI do Vale, MAB Dobos, D Dobre, M Doglioni, C Dohmae, T Dolejsi, J Dolezal, Z Dolgoshein, BA Donadelli, M Donati, S Dondero, P Donini, J Dopke, J Doria, A Dova, MT Doyle, AT Drechsler, E Dris, M Dubreuil, E Duchovni, E Duckeck, G Ducu, OA Duda, D Dudarev, A Duflot, L Duguid, L Duhrssen, M Dunford, M Yildiz, HD Duren, M Durglishvili, A Duschinger, D Dyndal, M Eckardt, C Ecker, KM Edgar, RC Edson, W Edwards, NC Ehrenfeld, W Eifert, T 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Zoccoli, A. zur Nedden, M. Zurzolo, G. Zwalinski, L. CA ATLAS Collaboration TI Study of the B-c(+) -> J/psi D-s(+) and Bc(+) -> J/psi D-s*(+) decays with the ATLAS detector SO EUROPEAN PHYSICAL JOURNAL C LA English DT Article ID B-C MESON; COLLISIONS; STATES; TEV AB The decays B-c(+) -> J/psi D-s(+) and B-c(+) -> J/psi D-s*(+) are studied with the ATLAS detector at the LHC using a dataset corresponding to integrated luminosities of 4.9 and 20.6 fb(-1) of pp collisions collected at centre-of-mass energies root s = 7 TeV and 8 TeV, respectively. Signal candidates are identified through J/psi -> mu(+)mu(-) and D-s(()*()+) -> phi pi(+)(gamma/pi(0)) decays. With a two-dimensional likelihood fit involving the B-c(+) reconstructed invariant mass and an angle between the mu(+) and D-s(+) candidate momenta in the muon pair rest frame, the yields of B-c(+) -> J/psi D-s(+) and B-c(+) -> J/psi D-s*(+), and the transverse polarisation fraction in B-c(+) -> J/psi D-s*(+) decay are measured. The transverse polarisation fraction is determined to be Gamma +/-+/-(B-c(+) -> J/psi D-s*(+))/Gamma(B-c(+) -> J/psi D-s*(+)) = 0.38 +/- 0.23 +/- 0.07, and the derived ratio of the branching fractions of the two modes is B-Bc+ -> J/psi D-s*+/B-Bc+ -> J/psi D-s(+) = 2.8(-0.8)(+1.2) +/- 0.3, where the first error is statistical and the second is systematic. Finally, a sample of B-c(+) -> J/psi pi(+) decays is used to derive the ratios of branching fractions B-Bc+ -> J/psi D-s*+/B-Bc+ -> J/psi pi(+) = 3.8 +/- 1.1 +/- 0.4 +/- 0.2 and B-Bc+ -> J/psi D-s*+/B-Bc+ -> J/psi pi(+) = 10.4 +/- 3.1 +/- 1.5 +/- 0.6, where the third error corresponds to the uncertainty of the branching fraction of D-s(+) -> phi(K+ K-)pi(+) decay. The available theoretical predictions are generally consistent with the measurement. C1 [Davies, E.; Jackson, P.; Lee, L.; Soni, N.; White, M. J.] Univ Adelaide, Dept Phys, Adelaide, SA, Australia. 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[Buanes, T.; Dale, O.; Eigen, G.; Kastanas, A.; Liebig, W.; Lipniacka, A.; Maeland, S.; Latour, B. Martin dit; Rosendahl, P. L.; Sjursen, T. B.; Smestad, L.; Stugu, B.; Tyndel, M.; Zalieckas, J.] Univ Bergen, Dept Phys & Technol, Bergen, Norway. [Amadio, B. T.; Axen, B.; Barnett, R. M.; Beringer, J.; Brosamer, J.; Calafiura, P.; Caminada, L. M.; Cerutti, F.; Ciocio, A.; Clarke, R. N.; Cooke, M.; Einsweiler, K.; Farrell, S.; Garcia-Sciveres, M.; Gilchriese, M.; Haber, C.; Hance, M.; Heinemann, B.; Hinchliffe, I.; Hinman, R. R.; Holmes, T. R.; Jeanty, L.; Lavrijsen, W.; Leggett, C.; Loscutoff, P.; Marshall, Z.; Ohm, C. C.; Ovcharova, A.; Griso, S. Pagan; Potamianos, K.; Pranko, A.; Quarrie, D. R.; Shapiro, M.; Sood, A.; Tibbetts, M. J.; Trottier-McDonald, M.; Tsulaia, V.; Viel, S.; Wang, H.; Yao, W-M.; Yu, D. R.] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Div Phys, Berkeley, CA 94720 USA. [Amadio, B. T.; Axen, B.; Barnett, R. M.; Beringer, J.; Brosamer, J.; Calafiura, P.; Caminada, L. M.; Cerutti, F.; Ciocio, A.; Clarke, R. N.; Cooke, M.; Einsweiler, K.; Farrell, S.; Garcia-Sciveres, M.; Gilchriese, M.; Haber, C.; Hance, M.; Heinemann, B.; Hinchliffe, I.; Hinman, R. R.; Holmes, T. R.; Jeanty, L.; Lavrijsen, W.; Leggett, C.; Loscutoff, P.; Marshall, Z.; Ohm, C. C.; Ovcharova, A.; Griso, S. Pagan; Potamianos, K.; Pranko, A.; Quarrie, D. R.; Shapiro, M.; Sood, A.; Tibbetts, M. J.; Trottier-McDonald, M.; Tsulaia, V.; Viel, S.; Wang, H.; Yao, W-M.; Yu, D. R.] Univ Calif Berkeley, Berkeley, CA 94720 USA. [Dietrich, J.; Giorgi, F. M.; Grancagnolo, S.; Herbert, G. H.; Herrberg-Schubert, R.; Hristova, I.; Kind, O. M.; Kolanoski, H.; Lacker, H.; Lohse, T.; Nikiforov, A.; Rehnisch, L.; Rieck, P.; Schulz, H.; Stamm, S.; zur Nedden, M.] Humboldt Univ, Dept Phys, D-10099 Berlin, Germany. [Beck, H. P.; Cervelli, A.; Ereditato, A.; Haug, S.; Marti, L. F.; Meloni, F.; Mullier, G. A.; Sciacca, F. G.; Stramaglia, M. E.; Stucci, S. A.; Weber, M. S.] Univ Bern, Albert Einstein Ctr Fundamental Phys, Bern, Switzerland. [Beck, H. P.; Cervelli, A.; Ereditato, A.; Haug, S.; Marti, L. F.; Meloni, F.; Mullier, G. A.; Sciacca, F. G.; Stramaglia, M. E.; Stucci, S. A.; Weber, M. S.] Univ Bern, High Energy Phys Lab, Bern, Switzerland. [Allbrooke, B. M. M.; Bella, L. Aperio; Bansil, H. S.; Bracinik, J.; Charlton, D. G.; Chisholm, A. S.; Daniells, A. C.; Hawkes, C. M.; Head, S. J.; Hillier, S. J.; Levy, M.; Mudd, R. D.; Quijada, J. A. Murillo; Newman, P. R.; Nikolopoulos, K.; Owen, R. E.; Slater, M.; Thomas, J. P.; Thompson, P. D.; Watkins, P. M.; Watson, A. T.; Watson, M. F.; Wilson, J. A.] Univ Birmingham, Sch Phys & Astron, Birmingham, W Midlands, England. [Arik, M.; Istin, S.; Ozcan, V. E.] Bogazici Univ, Dept Phys, Istanbul, Turkey. [Beddall, A. J.; Beddall, A.; Bingul, A.] Gaziantep Univ, Dept Phys, Gaziantep, Turkey. [Cetin, S. A.] Dogus Univ, Dept Phys, Gaziantep, Turkey. [Alberghi, G. L.; Bellagamba, L.; Boscherini, D.; Bruni, A.; Bruni, G.; Bruschi, M.; Corradi, M.; De Castro, S.; Fabbri, L.; Franchini, M.; Gabrielli, A.; Giacobbe, B.; Giorgi, F. M.; Grafstroem, P.; Manghi, F. Lasagni; Massa, I.; Massa, L.; Mengarelli, A.; Negrini, M.; Piccinini, M.; Polini, A.; Rinaldi, L.; Romano, M.; Sbarra, C.; Sbrizzi, A.; Semprini-Cesari, N.; Sidoti, A.; Spighi, R.; Tupputi, S. A.; Valentinetti, S.; Villa, M.; Zoccoli, A.] INFN Sez Bologna, Bologna, Italy. [Alberghi, G. L.; De Castro, S.; Fabbri, L.; Franchini, M.; Gabrielli, A.; Grafstroem, P.; Manghi, F. Lasagni; Massa, I.; Massa, L.; Mengarelli, A.; Piccinini, M.; Romano, M.; Sbrizzi, A.; Semprini-Cesari, N.; Sidoti, A.; Tupputi, S. A.; Valentinetti, S.; Villa, M.; Zoccoli, A.] Univ Bologna, Dipartimento Fis & Astron, Bologna, Italy. [Arslan, O.; Bechtle, P.; Bernlochner, F. U.; Brock, I.; Bruscino, N.; Cioara, I. A.; Cristinziani, M.; Davey, W.; Desch, K.; Dingfelder, J.; Ehrenfeld, W.; Gaycken, G.; Geich-Gimbel, Ch.; Gonella, L.; Haefner, P.; Hageboeck, S.; Hansen, M. C.; Hellmich, D.; Hohn, D.; Huegging, F.; Janssen, J.; Kostyukhin, V. V.; Kraus, J. K.; Kroseberg, J.; Krueger, H.; Lenz, T.; Leyko, A. M.; Liebal, J.; Limbach, C.; Mergelmeyer, S.; Mijovic, L.; Mueller, K.; Obermann, T.; Pohl, D.; Ricken, O.; Sarrazin, B.; Schaepe, S.; Schopf, E.; Schultens, M. J.; Schwindt, T.; Scutti, F.; Seema, P.; Stillings, J. A.; Tannoury, N.; Therhaag, J.; Ueda, I.; Velz, T.; von Toerne, E.; Wagner, P.; Wang, T.; Wermes, N.; Wienemann, P.; Wiik-Fuchs, L. A. M.; Winter, B. T.; Wong, K. H. Yau] Univ Bonn, Inst Phys, Bonn, Germany. [Ahlen, S. P.; Bernard, C.; Black, K. M.; Butler, J. M.; Dell'Asta, L.; Helary, L.; Kruskal, M.; Long, B. A.; Shank, J. T.; Yan, Z.; Youssef, S.] Boston Univ, Dept Phys, 590 Commonwealth Ave, Boston, MA 02215 USA. [Amelung, C.; Amundsen, G.; Artoni, G.; Bensinger, J. R.; Bianchini, L.; Blocker, C.; Coffey, L.; Dhaliwal, S.; Fitzgerald, E. A.; Sciolla, G.; Venturini, A.; Zengel, K.] Brandeis Univ, Dept Phys, Waltham, MA 02254 USA. [Coutinho, Y. Amaral; Caloba, L. P.; Maidantchik, C.; Marroquim, F.; Nepomuceno, A. A.; Seixas, J. M.] Univ Fed Rio de Janeiro, COPPE EE IF, Rio De Janeiro, Brazil. [Cerqueira, A. S.; de Andrade Filho, L. Manhaes] Fed Univ Juiz De Fora UFJF, Elect Circuits Dept, Juiz De Fora, Brazil. [do Vale, M. A. B.] Fed Univ Sao Joao Del Rei UFSJ, Sao Joao Del Rei, Brazil. [Donadelli, M.; Navarro, J. L. La Rosa; Leite, M. A. L.] Univ Sao Paulo, Inst Fis, CP 20516, BR-01498 Sao Paulo, Brazil. [Adams, D. L.; Assamagan, K.; Begel, M.; Buttinger, W.; Chen, H.; Chernyatin, V.; Debbe, R.; Ernst, M.; Gibbard, B.; Gordon, H. A.; Iakovidis, G.; Klimentov, A.; Kouskoura, V.; Kravchenko, A.; Lanni, F.; Lissauer, D.; Lynn, D.; Ma, H.; Maeno, T.; Metcalfe, J.; Mountricha, E.; Nevski, P.; Nilsson, P.; Damazio, D. Oliveira; Paige, F.; Panitkin, S.; Perepelitsa, D. V.; Pleier, M. -A.; Polychronakos, V.; Protopopescu, S.; Purohit, M.; Radeka, V.; Rajagopalan, S.; Redlinger, G.; Snyder, S.; Steinberg, P.; Takai, H.; Ugland, M.; Wenaus, T.; Ye, S.] Brookhaven Natl Lab, Dept Phys, Upton, NY 11973 USA. [Alexa, C.; Boldea, V.; Buda, S. I.; Caprini, I.; Caprini, M.; Chitan, A.; Ciubancana, M.; Constantinescu, S.; Dita, P.; Dita, S.; Dobre, M.; Ducu, O. A.; Jinaru, A.; Martoiu, V. S.; Maurer, J.; Olariu, A.; Pantea, D.; Rotaru, M.; Stoicea, G.; Tudorache, A.; Tudorache, V.] Natl Inst Phys & Nucl Engn, Bucharest, Romania. [Popeneciu, G. A.] Natl Inst Res & Dev Isotop & Mol Technol, Dept Phys, Cluj Napoca, Romania. Univ Politeh Bucharest, Bucharest, Romania. West Univ Timisoara, Timisoara, Romania. [Garzon, G. Otero Y.; Piegaia, R.; Reisin, H.; Sacerdoti, S.] Univ Buenos Aires, Dept Fis, Buenos Aires, DF, Argentina. [Arratia, M.; Batley, J. R.; Brochu, F. M.; Carter, J. R.; Chapman, J. D.; Cottin, G.; French, S. T.; Gillam, T. P. S.; Hill, J. C.; Kaneti, S.; Khoo, T. J.; Lester, C. G.; Mueller, T.; Parker, M. A.; Robinson, D.; Thomson, M.; Ward, C. P.; Yusuff, I.] Univ Cambridge, Cavendish Lab, Cambridge CB3 0HE, England. [Bellerive, A.; Cree, G.; Di Valentino, D.; Koffas, T.; Lacey, J.; Leight, W. A.; McCarthy, T. G.; Nomidis, I.; Oakham, F. G.; Pasztor, G.; Tarrade, F.; Vincter, M. G.] Carleton Univ, Dept Phys, Ottawa, ON K1S 5B6, Canada. [Abreu, R.; Aleksa, M.; Gonzalez, B. Alvarez; Andari, N.; Anders, G.; Anghinolfi, F.; Armbruster, A. J.; Arnaez, O.; Avolio, G.; Baak, M. A.; Backes, M.; Backhaus, M.; Barak, L.; Beltramello, O.; Bianco, M.; Bogaerts, J. A.; Boveia, A.; Boyd, J.; Burckhart, H.; Campana, S.; Garrido, M. D. M. Capeans; Carli, T.; Catinaccio, A.; Cattai, A.; Cerv, M.; Chromek-Burckhart, D.; Conti, G.; Dell'Acqua, A.; Deviveiros, P. O.; Di Girolamo, A.; Di Girolamo, B.; Dittus, F.; Dobos, D.; Dudarev, A.; Duehrssen, M.; Eifert, T.; Ellis, N.; Elsing, M.; Farthouat, P.; Fassnacht, P.; Feigl, S.; Perez, S. Fernandez; Francis, D.; Froidevaux, D.; Gillberg, D.; Glatzer, J.; Goossens, L.; Gorini, B.; Gray, H. M.; Hawkings, R. J.; Helsens, C.; Correia, A. M. Henriques; Hervas, L.; Hoecker, A.; Hubacek, Z.; Huhtinen, M.; Iengo, P.; Jaekel, M. R.; Jakobsen, S.; Jenni, P.; Kaneda, M.; Klioutchnikova, T.; Krasznahorkay, A.; Lantzsch, K.; Lapoire, C.; Lassnig, M.; Miotto, G. Lehmann; Lenzi, B.; Lichard, P.; Macina, D.; Malyukov, S.; Mandelli, B.; Mapelli, L.; Marzin, A.; Milic, A.; Mornacchi, G.; Nairz, A. M.; Nakahama, Y.; Nessi, M.; Nicquevert, B.; Nordberg, M.; Oide, H.; Palestini, S.; Pauly, T.; Pernegger, H.; Peters, K.; Petersen, B. A.; Pommes, K.; Poppleton, A.; Poulard, G.; Poveda, J.; Prasad, S.; Rammensee, M.; Raymond, M.; Rembser, C.; Ritsch, E.; Roe, S.; Ruiz-Martinez, A.; Salzburger, A.; Schaefer, D.; Schlenker, S.; Schmieden, K.; Serfon, C.; Sforza, F.; Sfyrla, A.; Solans, C. A.; Spigo, G.; Stelzer, H. J.; Teischinger, F. A.; Ten Kate, H.; Tremblet, L.; Tricoli, A.; Tsarouchas, C.; Ughetto, M.; van Woerden, M. C.; Vandelli, W.; Voss, R.; Vuillermet, R.; Wells, P. S.; Wengler, T.; Wenig, S.; Werner, P.; Wilkens, H. G.; Wotschack, J.; Young, C. J. S.; Zwalinski, L.] CERN, Geneva, Switzerland. [Alison, J.; Anderson, K. J.; Toro, R. Camacho; Cheng, Y.; Dandoy, J. R.; Facini, G.; Fiascaris, M.; Gardner, R. W.; Ilchenko, Y.; Kapliy, A.; Kim, Y. K.; Krizka, K.; Li, H. L.; Merritt, F. S.; Miller, D. W.; Narayan, R.; Okumura, Y.; Onyisi, P. U. E.; Oreglia, M. J.; Penning, B.; Pilcher, J. E.; Saxon, J.; Shochet, M. J.; Vukotic, I.; Webster, J. S.; Wu, M.] Univ Chicago, Enrico Fermi Inst, 5640 S Ellis Ave, Chicago, IL 60637 USA. [Carquin, E.; Diaz, M. A.; Ochoa-Ricoux, J. P.; Vogel, M.] Pontificia Univ Catolica Chile, Dept Fis, Alameda 340, Santiago, Chile. [Brooks, W. K.; Kuleshov, S.; Pezoa, R.; Prokoshin, F.; White, R.] Univ Tecn Feder Santa Maria, Dept Fis, Valparaiso, Chile. [Bai, Y.; Fang, Y.; Jin, S.; Lou, X.; Ouyang, Q.; Ren, H.; Shan, L. Y.; Sun, X.; Wang, J.; Xu, D.; Zhu, H.; Zhuang, X.] Chinese Acad Sci, Inst High Energy Phys, Beijing, Peoples R China. [Gao, J.; Guan, L.; Han, L.; Hu, Q.; Jiang, Y.; Li, B.; Liu, J. B.; Liu, M.; Liu, Y.; Pengb, H.; Song, H. Y.; Xu, L.; Zhang, R.; Zhao, Z.; Zhu, Y.] Univ Sci & Technol China, Dept Modern Phys, Hefei, Anhui, Peoples R China. [Chen, S.; Li, Y.; Zhang, H.] Nanjing Univ, Dept Phys, Nanjing 210008, Jiangsu, Peoples R China. [Chen, L.; Feng, C.; Ge, P.; Liu, B.; Ma, L. L.; Zhang, X.; Zhao, Y.; Zhu, C. G.] Shandong Univ, Sch Phys, Shandong, Peoples R China. [Guo, J.; Li, L.; Yang, H.] Shanghai Jiao Tong Univ, Dept Phys & Astron, Shanghai Key Lab Particle Phys & Cosmol, Shanghai 200030, Peoples R China. [Chen, X.] Tsinghua Univ, Dept Phys, Beijing 100084, Peoples R China. [Boumediene, D.; Busato, E.; Calvet, D.; Calvet, S.; Donini, J.; Dubreuil, E.; Gilles, G.; Gris, Ph.; Liao, H.; Madar, R.; Pallin, D.; Saez, S. M. Romano; Santoni, C.; Simon, D.; Theveneaux-Pelzer, T.; Vazeille, F.] Clermont Univ, Phys Corpusculaire Lab, Clermont Ferrand, France. [Boumediene, D.; Busato, E.; Calvet, D.; Calvet, S.; Donini, J.; Dubreuil, E.; Gilles, G.; Gris, Ph.; Liao, H.; Madar, R.; Pallin, D.; Saez, S. M. Romano; Santoni, C.; Simon, D.; Theveneaux-Pelzer, T.; Vazeille, F.] Univ Clermont Ferrand, Clermont Ferrand, France. [Boumediene, D.; Busato, E.; Calvet, D.; Calvet, S.; Donini, J.; Dubreuil, E.; Gilles, G.; Gris, Ph.; Liao, H.; Madar, R.; Pallin, D.; Saez, S. M. Romano; Santoni, C.; Simon, D.; Theveneaux-Pelzer, T.; Vazeille, F.] CNRS, IN2P3, Clermont Ferrand, France. [Alkire, S. P.; Altheimer, A.; Andeen, T.; Angerami, A.; Bain, T.; Brooijmans, G.; Cole, B.; Hu, D.; Hughes, E. W.; Iordanidou, K.; Klein, M. H.; Mohapatra, S.; Nikiforou, N.; Parsons, J. A.; Smith, M. N. K.; Smith, R. W.; Thompson, E. N.; Tuts, P. M.; Zhou, L.] Columbia Univ, Nevis Lab, Irvington, NY USA. [Alonso, A.; Dam, M.; Galster, G.; Hansen, J. B.; Hansen, J. D.; Hansen, P. H.; Joergensen, M. D.; Loevschall-Jensen, A. E.; Monk, J.; Mortensen, S. S.; Pedersen, L. E.; Petersen, T. C.; Pingel, A.; Wiglesworth, C.; Xella, S.] Univ Copenhagen, Niels Bohr Inst, Blegdamsvej 17, DK-2100 Copenhagen, Denmark. [Cairo, V. M.; Capua, M.; Crosetti, G.; La Rotonda, L.; Mastroberardino, A.; Policicchio, A.; Salvatore, D.; Scarfone, V.; Schioppa, M.; Susinno, G.; Tassi, E.] INFN Grp Collegato Cosenza, Nazl Frascati Lab, Frascati, Italy. [Cairo, V. M.; Capua, M.; Crosetti, G.; La Rotonda, L.; Mastroberardino, A.; Salvatore, D.; Scarfone, V.; Schioppa, M.; Susinno, G.; Tassi, E.] Univ Calabria, Dipartimento Fis, I-87036 Arcavacata Di Rende, Italy. [Adamczyka, L.; Bold, T.; Dabrowski, W.; Dyndal, M.; Grabowska-Bold, I.; Kisielewska, D.; Koperny, S.; Kowalski, T. Z.; Mindur, B.; Przybycien, M.; Zemla, A.] AGH Univ Sci & Technol, Fac Phys & Appl Comp Sci, PL-30059 Krakow, Poland. [Palka, M.; Richter-Was, E.] Jagiellonian Univ, Marian Smoluchowski Inst Phys, Krakow, Poland. [Banas, E.; de Renstrom, P. A. Bruckman; Chwastowski, J. J.; Derendarz, D.; Godlewski, J.; Gornicki, E.; Hajduk, Z.; Iwanski, W.; Kaczmarska, A.; Korcyl, K.; Malecki, Pa.; Olszewski, A.; Olszowska, J.; Stanecka, E.; Staszewski, R.; Trzebinski, M.; Trzupek, A.; Wolter, M. W.; Wosiek, B. K.; Wozniak, K. W.; Zabinski, B.] Polish Acad Sci, Inst Nucl Phys, Krakow, Poland. [Cao, T.; Firan, A.; Hetherly, J. W.; Kama, S.; Kehoe, R.; Sekula, S. J.; Stroynowski, R.; Turvey, A. J.; Varol, T.; Wang, H.; Ye, J.; Zhao, X.; Zhou, L.] So Methodist Univ, Dept Phys, Dallas, TX 75275 USA. [Izen, J. M.; Leyton, M.; Meirose, B.; Namasivayam, H.; Reeves, K.] Univ Texas Dallas, Dept Phys, Dallas, TX 75230 USA. [Argyropoulos, S.; Asbah, N.; Bessner, M.; Bloch, I.; Borroni, S.; Britzger, D.; Camarda, S.; Deterre, C.; Eckardt, C.; Filipuzzi, M.; Glazov, A.; Grahn, K-J.; Gregor, I. M.; Grohsjean, A.; Haleem, M.; Hamnett, P. G.; Hengler, C.; Hiller, K. H.; Howarth, J.; Huang, Y.; Katzy, J.; Keller, J. S.; Kondrashova, N.; Kuhl, T.; Lobodzinska, E.; Lohwasser, K.; Mamuzic, J.; Medinnis, M.; Moenig, K.; Garcia, R. F. Naranjo; Naumann, T.; Peschke, R.; Petit, E.; Poley, A.; Radescu, V.; Rubinskiy, I.; Schaefer, R.; Schmitt, S.; Sedov, G.; Shushkevich, S.; South, D.; Stanescu-Bellu, M.; Stanitzki, M. M.; Starovoitov, P.; Styles, N. A.; Tackmann, K.; Wang, J.; Wasicki, C.; Yildirim, E.] DESY, Hamburg, Germany. [Argyropoulos, S.; Asbah, N.; Bessner, M.; Bloch, I.; Borroni, S.; Britzger, D.; Camarda, S.; Deterre, C.; Eckardt, C.; Filipuzzi, M.; Glazov, A.; Grahn, K-J.; Gregor, I. M.; Grohsjean, A.; Haleem, M.; Hamnett, P. G.; Hengler, C.; Hiller, K. H.; Howarth, J.; Huang, Y.; Katzy, J.; Keller, J. S.; Kondrashova, N.; Kuhl, T.; Lobodzinska, E.; Lohwasser, K.; Mamuzic, J.; Medinnis, M.; Moenig, K.; Garcia, R. F. Naranjo; Naumann, T.; Peschke, R.; Petit, E.; Poley, A.; Radescu, V.; Rubinskiy, I.; Schaefer, R.; Schmitt, S.; Sedov, G.; Shushkevich, S.; South, D.; Stanescu-Bellu, M.; Stanitzki, M. M.; Starovoitov, P.; Styles, N. A.; Tackmann, K.; Wang, J.; Wasicki, C.; Yildirim, E.] DESY, Zeuthen, Germany. [Burmeister, I.; Erdmann, J.; Esch, H.; Goessling, C.; Homann, M.; Jentzsch, J.; Jung, C. A.; Klingenberg, R.; Kroeninger, K.] Tech Univ Dortmund, Inst Expt Phys 4, D-44221 Dortmund, Germany. [Anger, P.; Duschinger, D.; Friedrich, F.; Grohs, J. P.; Gumpert, C.; Gutschow, C.; Hauswald, L.; Kobel, M.; Mader, W. F.; Morgenstern, M.; Novgorodova, O.; Rudolph, C.; Schnoor, U.; Siegert, F.; Socher, F.; Staerz, S.; Straessner, A.; Vest, A.; Wahrmund, S.] Tech Univ Dresden, Inst Kern & Teilchenphys, D-01062 Dresden, Germany. [Arce, A. T. H.; Benjamin, D. P.; Bocci, A.; Cerio, B. C.; Goshaw, A. T.; Kajomovitz, E.; Kotwal, A.; Kruse, M. C.; Li, L.; Li, S.; Liu, M.; Oh, S. H.; Zhou, C.] Duke Univ, Dept Phys, Durham, NC 27706 USA. [Bhimji, W.; Bristow, T. M.; Clark, P. J.; Dias, F. A.; Edwards, N. C.; Gao, Y.; Walls, F. M. Garay; Glaysher, P. C. F.; Harrington, R. D.; Leonidopoulos, C.; Martin, V. J.; Mills, C.; O'Brien, B. J.; Pino, S. A. Olivares; Proissl, M.; Smart, B. H.; Washbrook, A.; Wynne, B. M.] Univ Edinburgh, SUPA Sch Phys & Astron, Edinburgh, Midlothian, Scotland. [Antonelli, M.; Beretta, M.; Bilokon, H.; Chiarella, V.; Curatolo, M.; Di Nardo, R.; Esposito, B.; Gatti, C.; Giromini, P.; Laurelli, P.; Maccarrone, G.; Mancini, G.; Sansoni, A.; Testa, M.; Vilucchi, E.] INFN Lab Nazl Frascati, Frascati, Italy. [Amoroso, S.; Arnold, H.; Betancourt, C.; Boehler, M.; Bruneliere, R.; Buehrer, F.; Cardillo, F.; Coniavitis, E.; Consorti, V.; Dang, N. P.; Dao, V.; Di Simone, A.; Giuliani, C.; Herten, G.; Jakobs, K.; Javurek, T.; Jenni, P.; Kiss, F.; Koeneke, K.; Kopp, A. K.; Kuehn, S.; Lai, S.; Landgraf, U.; Mahboubi, K.; Mohr, W.; Pagacova, M.; Parzefall, U.; Ronzani, M.; Rosbach, K.; Ruehr, F.; Rurikova, Z.; Ruthmann, N.; Schillo, C.; Schmidt, E.; Schumacher, M.; Sommer, P.; Sundermann, J. E.; Temming, K. K.; Tsiskaridze, V.; Ukegawa, F.; von Radziewski, H.; Warsinsky, M.; Weiser, C.; Werner, M.; Zhang, L.; Zimmermann, S.] Univ Freiburg, Fak Math & Phys, Hugstetter Str 55, D-79106 Freiburg, Germany. [Ancu, L. S.; Barone, G.; Bell, W. H.; Noccioli, E. Benhar; De Mendizabal, J. Bilbao; Clark, A.; Delitzsch, C. M.; della Volpe, D.; Doglioni, C.; Ferrere, D.; Gadomski, S.; Golling, T.; Gonzalez-Sevilla, S.; Gramling, J.; Guescini, F.; Iacobucci, G.; Katre, A.; La Rosa, A.; Mermod, P.; Miucci, A.; Muenstermann, D.; Nessi, M.; Paolozzi, L.; Picazio, A.; Ristic, B.; Schramm, S.; Tykhonov, A.; Vallecorsa, S.; Wu, X.] Univ Geneva, Sect Phys, Geneva, Switzerland. [Barberis, D.; Darbo, G.; Favareto, A.; Parodi, A. Ferretto; Gagliardi, G.; Gaudiello, A.; Gemme, C.; Guido, E.; Morettini, P.; Osculati, B.; Parodi, F.; Passaggio, S.; Rossi, L. P.; Sannino, M.; Schiavi, C.] INFN Sez Genova, Genoa, Italy. [Barberis, D.; Favareto, A.; Parodi, A. Ferretto; Gagliardi, G.; Gaudiello, A.; Guido, E.; Osculati, B.; Parodi, F.; Sannino, M.] Univ Genoa, Dipartimento Fis, Genoa, Italy. [Jejelava, J.; Tskhadadze, E. G.] Iv Javakhishvili Tbilisi State Univ, E Andronikashvili Inst Phys, Tbilisi, Rep of Georgia. [Djobava, T.; Durglishvili, A.; Khubua, J.; Mosidze, M.] Tbilisi State Univ, Inst High Energy Phys, GE-380086 Tbilisi, Rep of Georgia. [Dueren, M.; Kreutzfeldt, K.; Stenzel, H.] Univ Giessen, Inst Phys 2, D-35390 Giessen, Germany. [Bates, R. L.; Madden, W. D. Breaden; Britton, D.; Buckley, A. G.; Bussey, P.; Buttar, C. M.; Buzatu, A.; Cinca, D.; D'Auria, S.; Doyle, A. T.; Ferrando, J.; de Lima, D. E. Ferreira; Gul, U.; Ortiz, N. G. Gutierrez; Kar, D.; Knue, A.; Morton, A.; Mullen, P.; O'Shea, V.; Barrera, C. Oropeza; Owen, M.; Pollard, C. S.; Qin, G.; Quilty, D.; Ravenscroft, T.; Robson, A.; Denis, R. D. St.; Stewart, G. A.; Thompson, A. S.] Univ Glasgow, SUPA Sch Phys & Astron, Glasgow, Lanark, Scotland. [Bindi, M.; Blumenschein, U.; Brandt, G.; Drechsler, E.; George, M.; Grosse-Knetter, J.; Hamer, M.; Kareem, M. J.; Kawamura, G.; Lemmer, B.; Magradze, E.; Mantoani, M.; Mchedlidze, G.; Llacer, M. Moreno; Musheghyan, H.; Nackenhorst, O.; Nadal, J.; Quadt, A.; Rieger, J.; Schorlemmer, A. L. S.; Shabalina, E.; Stolte, P.; Weingarten, J.; Zinonos, Z.] Univ Gottingen, Inst Phys 2, D-37073 Gottingen, Germany. [Albrand, S.; Brown, J.; Collot, J.; Crepe-Renaudin, S.; Delsart, P. A.; Gabaldon, C.; Genest, M. H.; Hostachy, J-Y.; Ledroit-Guillon, F.; Lleres, A.; Lucotte, A.; Malek, F.; Monini, C.; Stark, J.; Trocme, B.; Wu, M.] Univ Grenoble Alpes, Lab Phys Subatom & Cosmol, CNRS, IN2P3, Grenoble, France. [McFarlane, K. W.; Vassilakopoulos, V. I.] Hampton Univ, Dept Phys, Hampton, VA 23668 USA. [da Costa, J. Barreiro Guimaraes; Catastini, P.; Clark, B. L.; Franklin, M.; Huth, J.; Ippolito, V.; Lazovich, T.; Mateos, D. Lopez; Mercurio, K. M.; Morii, M.; Skottowe, H. P.; Spearman, W. R.; Sun, S.; Tolley, E.; Yen, A. L.; Zambito, S.] Harvard Univ, Lab Particle Phys & Cosmol, Cambridge, MA 02138 USA. [Andrei, V.; Baas, A. E.; Brandt, O.; Davygora, Y.; Djuvsland, J. I.; Dunford, M.; Geisler, M. P.; Hanke, P.; Jongmanns, J.; Kluge, E. -E.; Lang, V. S.; Meier, K.; Scharf, V.; Schultz-Coulon, H. -C.; Stamen, R.; Wessels, M.] Heidelberg Univ, Kirchhoff Inst Phys, Heidelberg, Germany. [Anders, C. F.; Giulini, M.; Lisovyi, M.; Schaetzel, S.; Schmitt, S.; Schoening, A.; Sosa, D.] Heidelberg Univ, Inst Phys, Philosophenweg 12, Heidelberg, Germany. [Colombo, T.; Kretzc, M.; Kugelc, A.] Heidelberg Univ, ZITI Inst Tech Informat, Mannheim, Germany. [Nagasaka, Y.] Hiroshima Inst Technol, Fac Appl Informat Sci, Hiroshima, Japan. [Bortolotto, V.; Castillo, L. R. Flores] Chinese Univ Hong Kong, Dept Phys, Shatin, Hong Kong, Peoples R China. [Bortolotto, V.] Univ Hong Kong, Dept Phys, Hong Kong, Hong Kong, Peoples R China. [Bortolotto, V.; Prokofiev, K.] Hong Kong Univ Sci & Technol, Dept Phys, Kowloon, Hong Kong, Peoples R China. [Choi, K.; Dattagupta, A.; Evans, H.; Gagnon, P.; Lammers, S.; Martinez, N. Lorenzo; Luehring, F.; Ogren, H.; Penwell, J.; Weinert, B.; Zieminska, D.] Indiana Univ, Dept Phys, Bloomington, IN 47405 USA. [Jansky, R.; Jussel, P.; Kneringer, E.; Lukas, W.; Usanova, A.; Vigne, R.] Leopold Franzens Univ, Inst Astro & Teilchenphys, Innsbruck, Austria. [Mallik, U.; Mandrysch, R.; Zaidan, R.] Univ Iowa, Iowa City, IA USA. [Chen, C.; Cochran, J.; De Lorenzi, F.; Krumnack, N.; Pluth, D.; Prell, S.] Iowa State Univ, Dept Phys & Astron, Ames, IA USA. [Ahmadov, F.; Aleksandrov, I. N.; Bednyakov, V. A.; Boyko, I. R.; Budagov, I. A.; Chelkov, G. A.; Cheplakov, A.; Chizhov, M. V.; Dedovich, D. V.; Demichev, M.; Huseynov, N.; Javadov, N.; Karpov, S. N.; Karpova, Z. M.; Kazarinov, M. Y.; Khramov, E.; Kotov, V. M.; Kruchonak, U.; Krumshteyn, Z. V.; Kukhtin, V.; Ladygin, E.; Minashvili, I. A.; Mineev, M.; Peshekhonov, V. D.; Plotnikova, E.; Potrap, I. N.; Pozdnyakov, V.; Rusakovich, N. A.; Sadykov, R.; Sapronov, A.; Shiyakova, M.; Sisakyan, A. N.; Soloshenko, A.; Vinogradov, V. B.; Yeletskikh, I.; Zhemchugov, A.; Zimine, N. I.] JINR Dubna, Joint Inst Nucl Res, Dubna, Russia. [Amako, K.; Aoki, M.; Arai, Y.; Ikegami, Y.; Ikeno, M.; Iwasaki, H.; Kanzaki, J.; Kohriki, T.; Kondo, T.; Kono, T.; Makida, Y.; Nagano, K.; Nakamura, K.; Nozaki, M.; Odaka, S.; Sasaki, O.; Suzuki, S.; Suzuki, Y.; Takubo, Y.; Tanaka, S.; Terada, S.; Tokushuku, K.; Tsuno, S.; Unal, G.; Yamada, M.; Yamamoto, A.; Yasu, Y.] High Energy Accelerator Res Org, KEK, Tsukuba, Ibaraki, Japan. [Chen, Y.; Hasegawa, M.; Inamaru, Y.; Kishimoto, T.; Kurashige, H.; Kurumida, R.; Ochi, A.; Shimizu, S.; Takeda, H.; Yakabe, R.; Yamazaki, Y.; Yuan, L.] Kobe Univ, Grad Sch Sci, Kobe, Hyogo 657, Japan. [Ishino, M.; Kunigo, T.; Sumida, T.; Tashiro, T.] Kyoto Univ, Fac Sci, Kyoto, Japan. [Takashima, R.] Kyoto Univ, Kyoto 612, Japan. [Kawagoe, K.; Oda, S.; Otono, H.; Tojo, J.] Kyushu Univ, Dept Phys, Fukuoka 812, Japan. [Verzini, M. J. Alconada; Alonso, F.; Arduh, F. A.; Dova, M. T.; Monticelli, F.; Wahlberg, H.] Univ Nacl La Plata, Inst Fis Plata, RA-1900 La Plata, Buenos Aires, Argentina. [Verzini, M. J. Alconada; Alonso, F.; Arduh, F. A.; Dova, M. T.; Monticelli, F.; Wahlberg, H.] Consejo Nacl Invest Cient & Tecn, La Plata, Buenos Aires, Argentina. [Barton, A. E.; Beattie, M. D.; Borissov, G.; Bouhova-Thacker, E. V.; Dearnaley, W. J.; Fox, H.; Grimm, K.; Henderson, R. C. W.; Hughes, G.; Jones, R. W. L.; Kartvelishvili, V.; Long, R. E.; Love, P. A.; Maddocks, H. J.; Skinner, M. B.; Smizanska, M.; Walder, J.; Wharton, A. M.] Univ Lancaster, Dept Phys, Lancaster, England. [Chiodini, G.; Gorini, E.; Primavera, M.; Spagnolo, S.; Ventura, A.] INFN Sez Lecce, Lecce, Italy. [Gorini, E.; Spagnolo, S.; Ventura, A.] Univ Salento, Dipartimento Matemat & Fis, Lecce, Italy. [Affolder, A. A.; Allport, P. P.; Anders, J. K.; Burdin, S.; D'Onofrio, M.; Dervan, P.; Gwilliam, C. B.; Hayward, H. S.; Jackson, M.; Jones, T. J.; King, B. T.; Klein, M.; Klein, U.; Kretzschmar, J.; Laycock, P.; Lehan, A.; Maxfield, S. J.; Mehta, A.; Readioff, N. P.; Schnellbach, Y. J.; Vossebeld, J. H.] Univ Liverpool, Oliver Lodge Lab, Liverpool L69 3BX, Merseyside, England. [Cindro, V.; Deliyergiyev, M.; Filipcic, A.; Gorisek, A.; Kersevan, B. P.; Kramberger, G.; Mandic, I.; Mikuz, M.; Sfiligoj, T.] Jozef Stefan Inst, Dept Phys, Ljubljana, Slovenia. [Cindro, V.; Deliyergiyev, M.; Filipcic, A.; Gorisek, A.; Kersevan, B. P.; Kramberger, G.; Mandic, I.; Mikuz, M.; Sfiligoj, T.] Univ Ljubljana, Ljubljana, Slovenia. [Alpigiani, C.; Bevan, A. J.; Bona, M.; Bret, M. Cano; Cerrito, L.; Fletcher, G.; Goddard, J. R.; Hays, J. M.; Hickling, R.; Landon, M. P. J.; Lloyd, S. L.; Morris, J. D.; Nooney, T.; Piccaro, E.; Rizvi, E.; Sandbach, R. L.; Snidero, G.; Castanheira, M. Teixeira Dias] Queen Mary Univ London, Sch Phys & Astron, London, England. [Berry, T.; Blanco, J. E.; Boisvert, V.; Brooks, T.; Connelly, I. A.; Cowan, G.; Duguid, L.; Giannelli, M. Faucci; George, S.; Gibson, S. M.; Kempster, J. J.; Vazquez, J. G. Panduro; Pastore, Fr.; Savage, G.; Sowden, B. C.; Spano, F.; Teixeira-Dias, P.; Thomas-Wilsker, J.] Royal Holloway Univ London, Dept Phys, Surrey, England. [Bieniek, S. P.; Butterworth, J. M.; Campanelli, M.; Casadei, D.; Chislett, R. T.; Christodoulou, V.; Cooper, B. D.; Davison, P.; Falla, R. J.; Freeborn, D.; Gregersen, K.; Hesketh, G. G.; Jansen, E.; Jiggins, S.; Konstantinidis, N.; Korn, A.; Kucuk, H.; Lambourne, L.; Leney, K. J. C.; Martyniuk, A. C.; Mcfayden, J. A.; Nurse, E.; Ochoa, I.; Richter, S.; Scanlon, T.; Sherwood, P.; Simmons, B.; Wardrope, D. R.; Waugh, B. M.] UCL, Dept Phys & Astron, London, England. [Greenwood, Z. D.; Grossi, G. C.; Jana, D. K.; Sawyer, L.; Subramaniam, R.] Louisiana Tech Univ, Ruston, LA 71270 USA. [Beau, T.; Bomben, M.; Calderini, G.; Crescioli, F.; De Cecco, S.; Demilly, A.; Derue, F.; Francavilla, P.; Krasny, M. W.; Lacour, D.; Laforge, B.; Laplace, S.; Le Dortz, O.; Lefebvre, G.; Malaescu, B.; Marchiori, G.; Nikolic-Audit, I.; Ocariz, J.; Pandini, C. E.; Pires, S.; Ridel, M.; Roos, L.; Trincaz-Duvoid, S.; Vannucci, F.; Varouchas, D.] UPMC, Lab Phys Nucl & Hautes Energies, Paris, France. [Beau, T.; Bomben, M.; Calderini, G.; Crescioli, F.; De Cecco, S.; Demilly, A.; Derue, F.; Francavilla, P.; Krasny, M. W.; Lacour, D.; Laforge, B.; Laplace, S.; Le Dortz, O.; Lefebvre, G.; Malaescu, B.; Marchiori, G.; Nikolic-Audit, I.; Ocariz, J.; Pandini, C. E.; Pires, S.; Ridel, M.; Roos, L.; Trincaz-Duvoid, S.; Vannucci, F.; Varouchas, D.] Univ Paris Diderot, Paris, France. [Beau, T.; Bomben, M.; Calderini, G.; Crescioli, F.; De Cecco, S.; Demilly, A.; Derue, F.; Francavilla, P.; Krasny, M. W.; Lacour, D.; Laforge, B.; Laplace, S.; Le Dortz, O.; Lefebvre, G.; Malaescu, B.; Marchiori, G.; Nikolic-Audit, I.; Ocariz, J.; Pandini, C. 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G.; Schaeffer, J.; Schaefer, U.; Schmitt, C.; Schott, M.; Schroeder, C.; Schuh, N.; Simioni, E.; Tapprogge, S.; Unno, Y.; Urrejola, P.; Valderanis, C.; Wollstadt, S. J.; Zimmermann, C.; Zinser, M.] Johannes Gutenberg Univ Mainz, Inst Phys, D-55122 Mainz, Germany. [Balli, F.; Barnes, S. L.; Cox, B. E.; Da Via, C.; Forti, A.; Ponce, J. M. Iturbe; Joshi, K. D.; Keoshkerian, H.; Loebinger, F. K.; Marsden, S. P.; Masik, J.; Neep, T. J.; Oh, A.; Ospanov, R.; Pater, J. R.; Peters, R. F. Y.; Pilkington, A. D.; Price, D.; Qin, Y.; Queitsch-Maitland, M.; Robinson, J. E. M.; Schwanenberger, C.; Schweiger, H.; Shaw, S. M.; Thompson, R. J.; Tomlinson, L.; Watts, S.; Webb, S.; Woudstra, M. J.; Wyatt, T. R.] Univ Manchester, Sch Phys & Astron, Manchester, Lancs, England. [Aad, G.; Alio, L.; Aloisio, A.; Barbero, M.; Chen, L.; Coadou, Y.; Diaconu, C.; Diglio, S.; Djama, F.; Ducu, O. A.; Feligioni, L.; Gao, J.; Hallewell, G. D.; Hubaut, F.; Kahn, S. J.; Knoops, E. B. F. G.; Le Guirriec, E.; Liu, J.; Liu, K.; Madaffari, D.; Mochizuki, K.; Monnier, E.; Muanza, S.; Nagai, Y.; Nagy, E.; Pralavorio, P.; Rozanov, A.; Serre, T.; Talby, M.; Torres, R. E. Ticse; Tiouchichine, E.; Tisserant, S.; Toth, J.; Touchard, F.; Vacavant, L.] Aix Marseille Univ, CPPM, Marseille, France. [Aad, G.; Alio, L.; Barbero, M.; Chen, L.; Coadou, Y.; Diaconu, C.; Diglio, S.; Djama, F.; Ducu, O. A.; Feligioni, L.; Gao, J.; Hallewell, G. D.; Hubaut, F.; Kahn, S. J.; Knoops, E. B. F. G.; Le Guirriec, E.; Liu, J.; Liu, K.; Madaffari, D.; Mochizuki, K.; Monnier, E.; Muanza, S.; Nagai, Y.; Nagy, E.; Pralavorio, P.; Rozanov, A.; Serre, T.; Talby, M.; Torres, R. E. Ticse; Tiouchichine, E.; Tisserant, S.; Toth, J.; Touchard, F.; Vacavant, L.] CNRS, IN2P3, Marseille, France. [Bellomo, M.; Bernard, N. R.; Brau, B.; Dallapiccola, C.; Daya-Ishmukhametova, R. K.; Moyse, E. J. W.; Pais, P.; Pueschel, E.; Ventura, D.; Willocq, S.] Univ Massachusetts, Dept Phys, Amherst, MA 01003 USA. [Belanger-Champagne, C.; Chapleau, B.; Chuinard, A. J.; Corriveau, F.; Keyes, R. A.; Mantifel, R.; Prince, S.; Robertson, S. H.; Robichaud-Veronneau, A.; Stockton, M. C.; Stoebe, M.; Vachon, B.; Schroeder, T. Vazquez; Wang, K.; Warburton, A.] McGill Univ, Dept Phys, Montreal, PQ, Canada. [Barberio, E. L.; Brennan, A. J.; Dawe, E.; Jennens, D.; Kubota, T.; Milesi, M.; Hanninger, G. Nunes; Nuti, F.; Rados, P.; Spiller, L. A.; Tan, K. G.; Taylor, G. N.; Ungaro, F. C.; Urquijo, P.; Volpi, M.; Zanzi, D.] Univ Melbourne, Sch Phys, Melbourne, Vic, Australia. [Amidei, D.; Chelstowska, M. A.; Cheng, H. C.; Dai, T.; Diehl, E. B.; Edgar, R. C.; Feng, H.; Ferretti, C.; Fleischmann, P.; Goldfarb, S.; Hu, X.; Levin, D.; Liu, H.; Long, J. D.; Lu, N.; Marley, D. E.; Mckee, S. P.; McCarn, A.; Neal, H. A.; Qian, J.; Schwarz, T. A.; Searcy, J.; Sekhon, K.; Thun, R. P.; Wilson, A.; Wu, Y.; Xu, L.; Yu, J. M.; Zhang, D.; Zhou, B.; Zhu, J.] Univ Michigan, Dept Phys, Ann Arbor, MI 48109 USA. [Abolins, M.; Arabidze, G.; Brock, R.; Chegwidden, A.; Fisher, W. C.; Halladjian, G.; Hauser, R.; Hayden, D.; Huston, J.; Linnemann, J. T.; Martin, B.; Pope, B. G.; Schoenrock, B. D.; Schwienhorst, R.; Ta, D.; Tollefson, K.; True, P.; Willis, C.] Michigan State Univ, Dept Phys & Astron, E Lansing, MI 48824 USA. [Alimontia, G.; Andreazza, A.; Besana, M. I.; Carminati, L.; Cavalli, D.; Consonni, S. M.; Costa, G.; Fanti, M.; Giugni, D.; Lari, T.; Mandelli, L.; Mazza, S. M.; Meroni, C.; Perini, L.; Pizio, C.; Ragusa, F.; Resconi, S.; Shojaii, S.; Simoniello, R.; Tartarelli, G. F.; Troncon, C.; Turra, R.; Perez, M. Villaplana] INFN Sez Milano, Milan, Italy. [Andreazza, A.; Carminati, L.; Consonni, S. M.; Fanti, M.; Mazza, S. M.; Perini, L.; Pizio, C.; Ragusa, F.; Shojaii, S.; Simoniello, R.; Turra, R.; Perez, M. Villaplana] Univ Milan, Dipartimento Fis, Milan, Italy. [Harkusha, S.; Kulchitsky, Y.; Kurochkin, Y. A.; Tsiareshka, P. V.] Natl Acad Sci Belarus, BI Stepanov Phys Inst, Minsk, Byelarus. [Hrynevich, A.] Natl Sci & Educ Ctr Particle & High Energy Phys, Minsk, Byelarus. [Taylor, F. E.] MIT, Dept Phys, Cambridge, MA 02139 USA. [Arguin, J-F.; Azuelos, G.; Dallaire, F.; Gauthier, L.; Leroy, C.; Rezvani, R.; Saadi, D. Shoaleh] Univ Montreal, Grp Particle Phys, Montreal, PQ, Canada. [Akimov, A. V.; Gavrilenko, I. L.; Komar, A. A.; Mashinistov, R.; Mouraviev, S. V.; Nechaeva, P. Yu.; Shmeleva, A.; Snesarev, A. A.; Sulin, V. V.; Tikhomirov, V. O.; Zhukov, K.] Acad Sci, PN Lebedev Phys Inst, Moscow, Russia. [Artamonov, A.; Gorbounov, P. A.; Khovanskiy, V.; Shatalov, P. B.; Tsukerman, I. I.] Inst Theoret & Expt Phys, Moscow 117259, Russia. [Antonov, A.; Belotskiy, K.; Bulekov, O.; Buescher, D.; Dolgoshein, B. A.; Kantserov, V. A.; Krasnopevtsev, D.; Romaniouk, A.; Shulga, E.; Smirnov, S. Yu.; Smirnov, Y.; Soldatov, E. Yu.; Tikhomirov, V. O.; Timoshenko, S.; Vorobev, K.] Natl Res Nucl Univ MEPhI, Moscow, Russia. [Boldyrev, A. S.; Gladilin, L. K.; Kramarenko, V. A.; Maevskiy, A.; Rud, V. I.; Sivoklokov, S. Yu.; Smirnova, L. N.; Turchikhin, S.] Moscow MV Lomonosov State Univ, DV Skobeltsyn Inst Nucl Phys, Moscow, Russia. [Adomeit, S.; Becker, S.; Bender, M.; Biebel, O.; Bock, C.; Bortfeldt, J.; Calfayan, P.; Chow, B. K. B.; Duckeck, G.; Elmsheuser, J.; Hertenberger, R.; Hoenig, F.; Legger, F.; Lorenz, J.; Loesel, P. J.; Maier, T.; Mann, A.; Mehlhase, S.; Meineck, C.; Mitrevski, J.; Mueller, R. S. P.; Nunnemann, T.; Rauscher, F.; Ruschke, A.; Sanders, M. P.; Schaile, D.; Undrus, A.; Vladoiu, D.; Walker, R.; Wittkowski, J.] Univ Munich, Fak Phys, Munich, Germany. [Barillari, T.; Bethke, S.; Bronner, J.; Compostella, G.; Cortiana, G.; Ecker, K. M.; Flowerdew, M. J.; Goblirsch-Kolb, M.; Ince, T.; Kiryunin, A. E.; Kluth, S.; Kortner, O.; Kortner, S.; Kroha, H.; Macchiolo, A.; Maier, A. A.; Manfredini, A.; Menke, S.; Mueller, F.; Nagel, M.; Nisius, R.; Nowak, S.; Oberlack, H.; Pahl, C.; Richter, R.; Salihagic, D.; Sandstroem, R.; Schacht, P.; Schwegler, Ph.; Spettel, F.; Stern, S.; Stonjek, S.; Terzo, S.; von der Schmitt, H.; Wildauer, A.] Werner Heisenberg Inst, Max Planck Inst Phys, Munich, Germany. [Shimojima, M.] Nagasaki Inst Appl Sci, Nagasaki, Japan. [Hasegawa, S.; Horii, Y.; Morvaj, L.; Tomoto, M.; Wakabayashi, J.; Yamauchi, K.] Nagoya Univ, Grad Sch Sci, Nagoya, Aichi 4648601, Japan. [Hasegawa, S.; Horii, Y.; Morvaj, L.; Tomoto, M.; Wakabayashi, J.; Yamauchi, K.] Nagoya Univ, Kobayashi Maskawa Inst, Nagoya, Aichi 4648601, Japan. [Aloisio, A.; Alviggi, M. G.; Canale, V.; Carlino, G.; Conventi, F.; De Asmundis, R.; Della Pietra, M.; Di Donato, C.; Doria, A.; Izzo, V.; Merola, L.; Perrella, S.; Rossi, E.; Sanchez, A.; Sekhniaidze, G.; Zurzolo, G.] INFN Sez Napoli, Naples, Italy. [Aloisio, A.; Alviggi, M. G.; Canale, V.; Di Donato, C.; Merola, L.; Perrella, S.; Rossi, E.; Sanchez, A.; Zurzolo, G.] Univ Naples Federico II, Dipartimento Fis, Naples, Italy. [Gorelov, I.; Hoeferkamp, M. R.; Seidel, S. C.; Toms, K.] Univ New Mexico, Dept Phys & Astron, Albuquerque, NM 87131 USA. [Besjes, G. J.; Caron, S.; Croft, V.; De Groot, N.; Filthaut, F.; Galea, C.; Koenig, A. C.; Nektarijevic, S.; Salvucci, A.; Strubig, A.] Radboud Univ Nijmegen Nikhef, Inst Math Astrophys & Particle Phys, Nijmegen, Netherlands. [Aben, R.; Angelozzi, I.; Beemster, L. J.; Bentvelsen, S.; Berge, D.; Bobbink, G. J.; Bos, K.; Brenner, L.; Butti, P.; Castelli, A.; Colijn, A. P.; de Jong, P.; De Nooij, L.; Deigaard, I.; Deluca, C.; Ferrari, P.; Gadatsch, S.; Geerts, D. A. A.; Hartjes, F.; Hessey, N. P.; Hod, N.; Igonkina, O.; Karastathis, N.; Kluit, P.; Koffeman, E.; Linde, F.; Mahlstedt, J.; Meyer, J.; Oussoren, K. P.; Sabato, G.; Salek, D.; Slawinska, M.; Valencic, N.; Van Den Wollenberg, W.; Van der Deijl, P. C.; van der Geer, R.; van der Graaf, H.; Van Der Leeuw, R.; van Vulpen, I.; Verkerke, W.; Vermeulen, J. C.; Vreeswijk, M.; Weits, H.; Williams, S.] Nikhef Natl Inst Subat Phys, Amsterdam, Netherlands. [Aben, R.; Angelozzi, I.; Beemster, L. J.; Bentvelsen, S.; Berge, D.; Bobbink, G. J.; Bos, K.; Brenner, L.; Butti, P.; Castelli, A.; Colijn, A. P.; de Jong, P.; De Nooij, L.; Deigaard, I.; Deluca, C.; Ferrari, P.; Gadatsch, S.; Geerts, D. A. A.; Hartjes, F.; Hessey, N. P.; Hod, N.; Igonkina, O.; Karastathis, N.; Kluit, P.; Koffeman, E.; Linde, F.; Mahlstedt, J.; Meyer, J.; Oussoren, K. P.; Sabato, G.; Salek, D.; Slawinska, M.; Valencic, N.; Van Den Wollenberg, W.; Van der Deijl, P. C.; van der Geer, R.; van der Graaf, H.; Van Der Leeuw, R.; van Vulpen, I.; Verkerke, W.; Vermeulen, J. C.; Vreeswijk, M.; Weits, H.; Williams, S.] Univ Amsterdam, Amsterdam, Netherlands. [Adelman, J.; Burghgrave, B.; Chakraborty, D.; Cole, S.; Suhr, C.; Yurkewicz, A.] Univ Illinois, Dept Phys, De Kalb, IL USA. [Anisenkov, A. V.; Bobrovnikov, V. S.; Bogdanchikov, A. G.; Buzykaev, A. R.; Kazanin, V. F.; Kharlamov, A. G.; Korol, A. A.; Malyshev, V. M.; Maslennikov, A. L.; Maximov, D. A.; Peleganchuk, S. V.; Rezanova, O. L.; Soukharev, A. M.; Talyshev, A. A.; Tikhonov, Yu. A.] SB RAS, Budker Inst Nucl Phys, Novosibirsk 630090, Russia. [Bernius, C.; Cranmer, K.; Haas, A.; Heinrich, L.; van Huysduynen, L. Hooft; Kaplan, B.; Karthik, K.; Konoplich, R.; Kreiss, S.; Mincer, A. I.; Nemethy, P.; Neves, R. M.] NYU, Dept Phys, 4 Washington Pl, New York, NY 10003 USA. [Beacham, J. B.; Gan, K. K.; Ishmukhametov, R.; Kagan, H.; Kass, R. D.; Looper, K. A.; Moss, J.; Nagarkar, A.; Pignotti, D. T.; Shrestha, S.; Tannenwald, B. B.] Ohio State Univ, Columbus, OH 43210 USA. [Nakano, I.] Okayama Univ, Fac Sci, Okayama 700, Japan. [Abbott, B.; Alhroob, M.; Bertsche, C.; Bertsche, D.; Gutierrez, P.; Hasib, A.; Norberg, S.; Pearson, B.; Saleem, M.; Severini, H.; Skubic, P.; Strauss, M.] Univ Oklahoma, Homer L Dodge Dept Phys & Astron, Norman, OK 73019 USA. [Bousson, N.; Haley, J.; Khanov, A.; Rizatdinova, F.; Sidorov, D.; Yu, J.] Oklahoma State Univ, Dept Phys, Stillwater, OK 74078 USA. [Chytka, L.; Hamal, P.; Hrabovsky, M.; Kvita, J.; Nozka, L.] Palacky Univ, RCPTM, CR-77147 Olomouc, Czech Republic. [Brau, J. E.; Brenner, R.; Brost, E.; Hopkins, W. H.; Majewski, S.; Potter, C. T.; Ptacek, E.; Radloff, P.; Shamim, M.; Sinev, N. B.; Strom, D. M.; Torrence, E.; Wanotayaroj, C.; Whalen, K.; Winklmeier, F.] Univ Oregon, Ctr High Energy Phys, Eugene, OR 97403 USA. [Ayoub, M. K.; Bassalat, A.; Becot, C.; Binet, S.; Bourdarios, C.; De Regie, J. B. De Vivie; Delgove, D.; Duflot, L.; Escalier, M.; Fayard, L.; Fournier, D.; Gkougkousis, E. L.; Grivaz, J. -F.; Guillemin, T.; Hariri, F.; Henrot-Versille, S.; Hrivnac, J.; Iconomidou-Fayard, L.; Kado, M.; Li, Y.; Lounis, A.; Makovec, N.; Morange, N.; Nellist, C.; Poggioli, L.; Puzo, P.; Renaud, A.; Rousseau, D.; Rybkin, G.; Schaffer, A. C.; Scifo, E.; Serin, L.; Simion, S.; Tanaka, R.; Zerwas, D.; Zhang, Z.; Zhao, Y.] Univ Paris 11, LAL, Orsay, France. [Ayoub, M. K.; Bassalat, A.; Becot, C.; Binet, S.; Bourdarios, C.; De Regie, J. B. De Vivie; Delgove, D.; Duflot, L.; Escalier, M.; Fayard, L.; Fournier, D.; Gkougkousis, E. L.; Grivaz, J. -F.; Guillemin, T.; Hariri, F.; Henrot-Versille, S.; Hrivnac, J.; Iconomidou-Fayard, L.; Kado, M.; Li, Y.; Lounis, A.; Makovec, N.; Morange, N.; Nellist, C.; Poggioli, L.; Puzo, P.; Renaud, A.; Rousseau, D.; Rybkin, G.; Schaffer, A. C.; Scifo, E.; Serin, L.; Simion, S.; Tanaka, R.; Zerwas, D.; Zhang, Z.; Zhao, Y.] CNRS, IN2P3, F-91405 Orsay, France. [Endo, M.; Hanagaki, K.; Nomachi, M.; Okamura, W.; Sugaya, Y.; Teoh, J. J.; Yamaguchi, Y.] Osaka Univ, Grad Sch Sci, Osaka, Japan. [Bugge, L.; Bugge, M. K.; Cameron, D.; Catmore, J. R.; Franconi, L.; Garonne, V.; Gjelsten, B. K.; Gramstad, E.; Morisbak, V.; Nilsen, J. K.; Ould-Saada, F.; Pajchel, K.; Pedersen, M.; Raddum, S.; Read, A. L.; Rohne, O.; Sandaker, H.; Stapnes, S.; Strandlie, A.] Univ Oslo, Dept Phys, Oslo, Norway. [Barr, A. J.; Becker, K.; Behr, J. K.; Beresford, L.; Cooper-Sarkar, A. M.; Ortuzar, M. Crispin; Dafinca, A.; Davies, E.; Frost, J. A.; Gallas, E. J.; Gupta, S.; Gwenlan, C.; Hall, D.; Hays, C. P.; Henderson, J.; Howard, J.; Huffman, T. B.; Issever, C.; Kalderon, C. W.; Kogan, L. A.; Lewis, A.; Nagai, K.; Nickerson, R. B.; Pickering, M. A.; Ryder, N. C.; Tseng, J. C-L.; Viehhauser, G. H. A.; Weidberg, A. R.; Zhong, J.] Univ Oxford, Dept Phys, Oxford, England. [Conta, C.; Dondero, P.; Ferrari, R.; Fraternali, M.; Gaudio, G.; Livan, M.; Negri, A.; Polesello, G.; Rebuzzi, D. M.; Rimoldi, A.; Vercesi, V.] INFN Sez Pavia, Pavia, Italy. [Conta, C.; Dondero, P.; Fraternali, M.; Livan, M.; Negri, A.; Rebuzzi, D. M.; Rimoldi, A.] Univ Pavia, Dipartimento Fis, Via Palestro 3, I-27100 Pavia, Italy. [Brendlinger, K.; Fletcher, R. R. M.; Heim, S.; Hines, E.; Jackson, B.; Kroll, J.; Lipeles, E.; Miguens, J. Machado; Meyer, C.; Stahlman, J.; Thomson, E.; Tuna, A. N.; Vanguri, R.; Williams, H. H.; Yoshihara, K.] Univ Penn, Dept Phys, Philadelphia, PA 19104 USA. [Basalaev, A.; Ezhilov, A.; Fedin, O. L.; Gratchev, V.; Levchenko, M.; Maleev, V. P.; Ryabov, Y. F.; Schegelsky, V. A.; Sedykh, E.; Seliverstov, D. M.; Solovyev, V.] Petersburg Nucl Phys Inst, Natl Res Ctr Kurchatov Inst BP Konstantinov, St Petersburg, Russia. [Annovi, A.; Beccherle, R.; Bertolucci, F.; Cavasinni, V.; Del Prete, T.; Dell'Orso, M.; Donati, S.; Giannetti, P.; Leone, S.; Roda, C.; Scuri, F.; Sotiropoulou, C. L.; Spalla, M.; Volpi, G.; White, S.] INFN Sez Pisa, Pisa, Italy. [Annovi, A.; Beccherle, R.; Bertolucci, F.; Cavasinni, V.; Del Prete, T.; Dell'Orso, M.; Donati, S.; Giannetti, P.; Leone, S.; Roda, C.; Scuri, F.; Sotiropoulou, C. L.; Spalla, M.; Volpi, G.; White, S.] Univ Pisa, Dipartimento Fis & Fermi, Pisa, Italy. [Bianchi, R. M.; Boudreau, J.; Cleland, W.; Escobar, C.; Hong, T. M.; Mueller, J.; Sapp, K.; Su, J.] Univ Pittsburgh, Dept Phys & Astron, Pittsburgh, PA 15260 USA. [Aguilar-Saavedra, J. A.; Dos Santos, S. P. Amor; Amorim, A.; Araquea, J. P.; Cantrill, R.; Carvalho, J.; Castro, N. F.; Muino, P. Conde; Da Cunha Sargedas De Sousa, M. J.; Fiolhais, M. C. N.; Galhardo, B.; Gomes, A.; Gocalo, R.; Jorge, P. M.; Lopes, L.; Maio, A.; Maneira, J.; Onofre, A.; Palma, A.; Pedro, R.; Pina, J.; Pinto, B.; Santos, H.; Saraiva, J. G.; Silva, J.; Delgado, A. Tavares; Veloso, F.; Wolter, H.] Lab Instrumentacao Fis Expt Particulas LIP, Lisbon, Portugal. [Amorim, A.; Muino, P. Conde; Da Cunha Sargedas De Sousa, M. J.; Gomes, A.; Jorge, P. M.; Miguens, J. Machado; Maio, A.; Maneira, J.; Palma, A.; Pedro, R.; Pina, J.; Delgado, A. Tavares] Univ Lisbon, Fac Ciencias, P-1699 Lisbon, Portugal. [Dos Santos, S. P. Amor; Carvalho, J.; Fiolhais, M. C. N.; Galhardo, B.; Veloso, F.; Wolter, H.] Univ Coimbra, Dept Phys, Coimbra, Portugal. [Gomes, A.; Maio, A.; Pina, J.; Saraiva, J. G.; Silva, J.] Univ Lisbon, Ctr Fis Nucl, P-1699 Lisbon, Portugal. [Onofre, A.] Univ Minho, Dept Fis, Braga, Portugal. [Aguilar-Saavedra, J. A.] Univ Granada, Dept Fis Teor & Cosmos, Granada, Spain. [Aguilar-Saavedra, J. A.] Univ Granada, CAFPE, Granada, Spain. Univ Nova Lisboa, Dept Fis, Caparica, Portugal. Univ Nova Lisboa, CEFITEC Fac Ciencias & Tecnol, Caparica, Portugal. [Chudoba, J.; Havranek, M.; Hejbal, J.; Jakoubek, T.; Kepka, O.; Kupco, A.; Kus, V.; Lokajicek, M.; Lysak, R.; Marcisovsky, M.; Mikestikova, M.; Nemecek, S.; Sicho, P.; Staroba, P.; Svatos, M.; Tasevsky, M.; Vrba, V.] Acad Sci Czech Republic, Inst Phys, Prague, Czech Republic. [Augsten, K.; Caforio, D.; Gallus, P.; Guenther, J.; Jakubek, J.; Kohout, Z.; Myska, M.; Pospisil, S.; Seifert, F.; Simak, V.; Slavicek, T.; Smolek, K.; Solar, M.; Solc, J.; Sopczak, A.; Sopko, B.; Sopko, V.; Suk, M.; Turecek, D.; Vacek, V.; Vlasak, M.; Vokac, P.; Vykydal, Z.; Zeman, M.] Czech Tech Univ, CR-16635 Prague, Czech Republic. [Balek, P.; Berta, P.; Cerny, K.; Chalupkova, I.; Davidek, T.; Dolejsi, J.; Dolezal, Z.; Faltova, J.; Kodys, P.; Kosek, T.; Leitner, R.; Pleskot, V.; Reznicek, P.; Scheirich, D.; Spousta, M.; Sykora, T.; Tas, P.; Todorova-Nova, S.; Valkar, S.; Vorobel, V.] Charles Univ Prague, Fac Math & Phys, Prague, Czech Republic. [Borisov, A.; Cheremushkina, E.; Denisov, S. P.; Fakhrutdinov, R. M.; Fenyuk, A. B.; Golubkov, D.; Kamenshchikov, A.; Karyukhin, A. N.; Kozhin, A. S.; Minaenko, A. A.; Myagkov, A. G.; Nikolaenko, V.; Solodkov, A. A.; Solovyanov, O. V.; Starchenko, E. A.; Zaitsev, A. M.; Zenin, O.] State Res Ctr Inst High Energy Phys, Protvino, Russia. [Adye, T.; Baines, J. T.; Barnett, B. M.; Burke, S.; Dewhurst, A.; Dopke, J.; Emeliyanov, D.; Gallop, B. J.; Gee, C. N. P.; Haywood, S. J.; Kirk, J.; Martin-Haugh, S.; McCubbin, N. A.; McMahon, S. J.; Middleton, R. P.; Murray, W. J.; Phillips, P. W.; Sankey, D. P. C.; Sawyer, C.; Wickens, F. J.; Wielers, M.] Rutherford Appleton Lab, Particle Phys Dept, Didcot OX11 0QX, Oxon, England. [Anulli, F.; Bagiacchi, P.; Bagnaia, P.; Bauce, M.; Bini, C.; Ciapetti, G.; De Pedis, D.; De Salvo, A.; Di Domenico, A.; Falciano, S.; Gabrielli, A.; Gauzzi, P.; Gentile, S.; Giagu, S.; Gustavino, G.; Kuna, M.; Lacava, F.; Luci, C.; Luminari, L.; Marzano, F.; Messina, A.; Monzani, S.; Nisati, A.; Pasqualucci, E.; Petrolo, E.; Pontecorvo, L.; Rescigno, M.; Rosati, S.; Tehrani, F. Safai; Vanadia, M.; Vari, R.; Veneziano, S.; Verducci, M.; Zanello, L.] INFN Sez Roma, Rome, Italy. [Bagiacchi, P.; Bagnaia, P.; Bauce, M.; Bini, C.; Ciapetti, G.; Di Domenico, A.; Gabrielli, A.; Gauzzi, P.; Gentile, S.; Giagu, S.; Gustavino, G.; Kuna, M.; Lacava, F.; Luci, C.; Messina, A.; Monzani, S.; Vanadia, M.; Verducci, M.; Zanello, L.] Univ Roma La Sapienza, Dipartimento Fis, Piazzale Aldo Moro 5, I-00185 Rome, Italy. [Aielli, G.; Camarri, P.; Cardarelli, R.; Di Ciaccio, A.; Iuppa, R.; Liberti, B.; Mazzaferro, L.; Salamon, A.; Santonico, R.] INFN Sez Roma Tor Vergata, Rome, Italy. [Aielli, G.; Camarri, P.; Di Ciaccio, A.; Iuppa, R.; Mazzaferro, L.; Santonico, R.] Univ Roma Tor Vergata, Dipartimento Fis, Via E Carnevale, I-00173 Rome, Italy. [Bacci, C.; Baroncelli, A.; Biglietti, M.; Ceradini, F.; Di Micco, B.; Farilla, A.; Graziani, E.; Iodice, M.; Orestano, D.; Pastore, F.; Petrucci, F.; Puddu, D.; Salamanna, G.; Sessa, M.; Stanescu, C.; Taccini, C.] INFN Sez Roma Tre, Rome, Italy. [Bacci, C.; Ceradini, F.; Di Micco, B.; Orestano, D.; Pastore, F.; Petrucci, F.; Puddu, D.; Salamanna, G.; Sessa, M.; Taccini, C.] Univ Rome Tre, Dipartimento Matemat & Fis, I-00146 Rome, Italy. [Benchekroun, D.; Chafaq, A.; Hoummada, A.] Univ Hassan 2, Reseau Univ Phys Hautes Energies, Fac Sci Ain Chock, Casablanca, Morocco. [Ghazlane, H.] Ctr Natl Energie Sci Tech Nucl, Rabat, Morocco. [El Kacimi, M.] Univ Cadi Ayyad, LPHEA Marrakech, Fac Sci Semlalia, Marrakech, Morocco. [Derkaoui, J. E.; Ouchrif, M.; Tayalati, Y.] Univ Mohamed Premier, Fac Sci, Oujda, Morocco. [Derkaoui, J. E.; Ouchrif, M.; Tayalati, Y.] LPTPM, Oujda, Morocco. [El Mourslie, R. Cherkaoui; Fassi, F.; Haddade, N.; Idrissi, Z.] Univ Mohammed V Agdal, Fac Sci, Rabat, Morocco. [Bachacou, H.; Bauer, F.; Besson, N.; Blanchard, J. -B.; Boonekamp, M.; Calandri, A.; Chevalier, L.; Hoffmann, M. Dano; Deliot, F.; Etienvre, A. I.; Formica, A.; Giraud, P. F.; Da Costa, J. Goncalves Pinto Firmino; Guyot, C.; Hanna, R.; Hassani, S.; Kivernyk, O.; Kozanecki, W.; Lancon, E.; Laporte, J. F.; Maiani, C.; Mansoulie, B.; Meyer, J-P.; Nicolaidou, R.; Ouraou, A.; Protopapadaki, E.; Royon, C. R.; Saimpert, M.; Schoeffel, L.; Schune, Ph.; Schwemling, Ph.; Schwindling, J.] CEA Saclay, DSM IRFU, Inst Rech Lois Fondament Univers, Commissariat Energie Atom & Energies Alternati, F-91191 Gif Sur Yvette, France. [Battaglia, M.; Debenedetti, C.; Grillo, A. A.; Kuhl, A.; Law, A. T.; Liang, Z.; Litke, A. M.; Lockman, W. S.; Manning, P. M.; Nielsen, J.; Reece, R.; Rose, P.; Sadrozinski, H. F-W.; Schumm, B. A.; Seiden, A.] Univ Calif Santa Cruz, Santa Cruz Inst Particle Phys, Santa Cruz, CA 95064 USA. [Blackburn, D.; Coccaro, A.; Hsu, S. -C.; Lubatti, H. J.; Marx, M.; Rompotis, N.; Rosten, R.; Rothberg, J.; Russell, H. L.; De Bruin, P. H. Sales; Watts, G.] Univ Washington, Dept Phys, Seattle, WA 98195 USA. [Anastopoulos, C.; Costanzo, D.; Donszelmann, T. Cuhadar; Dawson, I.; Fletcher, G. T.; Hodgkinson, M. C.; Hodgson, P.; Johansson, P.; Klinger, J. A.; Korolkova, E. V.; Kyriazopoulos, D.; Paredes, B. Lopez; Macdonald, C. M.; Miyagawa, P. S.; Paganis, E.; Parker, K. A.; Tovey, D. R.; Vickey, T.; Boeriu, O. E. Vickey] Univ Sheffield, Dept Phys & Astron, Sheffield, S Yorkshire, England. [Hasegawa, Y.; Takeshita, T.] Shinshu Univ, Dept Phys, Nagano, Japan. [Atlay, N. B.; Buchholz, P.; Czirr, H.; Fleck, I.; Gaur, B.; Ibragimov, I.; Ikematsu, K.; Rosenthal, O.; Walkowiak, W.; Ziolkowski, M.] Univ Siegen, Fachbereich Phys, D-57068 Siegen, Germany. [Buat, Q.; Horton, A. J.; O'Neil, D. C.; Pachal, K.; Stelzer, B.; Torres, H.; Van Nieuwkoop, J.; Vetterli, M. C.] Simon Fraser Univ, Dept Phys, Burnaby, BC V5A 1S6, Canada. [Barklow, T.; Barlow, N.; Bartoldus, R.; Bawa, H. S.; Black, J. E.; Cogan, J. G.; Fulsom, B. G.; Gao, Y. S.; Garelli, N.; Grenier, P.; Ilic, N.; Kagan, M.; Kocian, M.; Koi, T.; Malone, C.; Mount, R.; Nef, P. D.; Piacquadio, G.; Rubbo, F.; Salnikov, A.; Schwartzman, A.; Strauss, E.; Su, D.; Swiatlowski, M.; Tompkins, L.; Wittgen, M.; Young, C.] SLAC Natl Accelerator Lab, Stanford, CA USA. [Astalos, R.; Bartos, P.; Blazek, T.; Federic, P.; Plazak, L.; Stavina, P.; Sykora, I.; Tokar, S.; Zenis, T.] Comenius Univ, Fac Math Phys & Informat, Bratislava, Slovakia. [Antos, J.; Bruncko, D.; Kladiva, E.; Strizenec, P.; Unel, G.; Urban, J.] Slovak Acad Sci, Inst Expt Phys, Dept Subnucl Phys, Kosice 04353, Slovakia. [Hamilton, A.; Meehan, S.] Univ Cape Town, Dept Phys, ZA-7925 Cape Town, South Africa. [Aurousseau, M.; Castaneda-Miranda, E.; Connell, S. H.; Lee, C. A.; Yacoob, S.] Univ Johannesburg, Dept Phys, Johannesburg, South Africa. [Bristow, K.; Hamity, G. N.; Hsu, C.; Garcia, B. R. Mellado; Ruan, X.] Univ Witwatersrand, Sch Phys, Johannesburg, South Africa. [Abulaiti, Y.; Akerstedt, H.; Asman, B.; Bendtz, K.; Bertoli, G.; Bohm, C.; Clement, C.; Cribbsa, W. A.; Hellman, S.; Jon-And, K.; Khandanyan, H.; Kim, H.; Klimek, P.; Lundberg, O.; Milstead, D. A.; Moa, T.; Molander, S.; Pani, P.; Plucinski, P.; Poettgen, R.; Rossetti, V.; Shcherbakova, A.; Silverstein, S. B.; Sjolin, J.; Strandberg, S.; Tylmad, M.] Stockholm Univ, Dept Phys, S-10691 Stockholm, Sweden. [Abulaiti, Y.; Akerstedt, H.; Asman, B.; Bendtz, K.; Bertoli, G.; Bylund, O. Bessidskaia; Clement, C.; Cribbsa, W. A.; Hellman, S.; Jon-And, K.; Khandanyan, H.; Kim, H.; Klimek, P.; Lundberg, O.; Milstead, D. A.; Moa, T.; Molander, S.; Pani, P.; Petridis, A.; Plucinski, P.; Poettgen, R.; Rossetti, V.; Shcherbakova, A.; Sjolin, J.; Strandberg, S.; Tylmad, M.] Oskar Klein Ctr, Stockholm, Sweden. [Lund-Jensen, B.; Morley, A. K.; Strandberg, J.] Royal Inst Technol, Dept Phys, S-10044 Stockholm, Sweden. [Balestri, T.; Bee, C. P.; Campoverde, A.; Chen, K.; Grassi, V.; Hobbs, J.; Jia, J.; Li, H.; Lindquist, B. E.; Mastrandrea, P.; McCarthy, R. L.; Puldon, D.; Radhakrishnan, S. K.; Rijssenbeek, M.; Schamberger, R. D.; Tsybychev, D.; Zaman, A.] SUNY Stony Brook, Dept Phys & Astron, Stony Brook, NY 11794 USA. [Balestri, T.; Bee, C. P.; Campoverde, A.; Chen, K.; Grassi, V.; Hobbs, J.; Jia, J.; Li, H.; Lindquist, B. E.; Mastrandrea, P.; McCarthy, R. L.; Puldon, D.; Radhakrishnan, S. K.; Rijssenbeek, M.; Schamberger, R. D.; Tsybychev, D.; Zaman, A.] SUNY Stony Brook, Dept Chem, Stony Brook, NY 11794 USA. [Asquith, L.; Cerri, A.; Barajas, C. A. Chavez; De Sanctis, U.; De Santo, A.; Grout, Z. J.; Potter, C. J.; Salvatore, F.; Castillo, I. Santoyo; Shehu, C. Y.; Suruliz, K.; Sutton, M. R.; Vivarelli, I.] Univ Sussex, Dept Phys & Astron, Brighton, E Sussex, England. [Black, C. W.; Cuthbert, C.; Finelli, K. D.; Jeng, G. -Y.; Limosani, A.; Patel, N. D.; Saavedra, A. F.; Scarcella, M.; Varvell, K. E.; Watson, I. J.; Yabsley, B.] Univ Sydney, Sch Phys, Sydney, NSW 2006, Australia. [Abdallah, J.; Hou, S.; Hsu, P. J.; Jamin, D. O.; Lee, S. C.; Li, B.; Lin, S. C.; Liu, B.; Liu, D.; Lo Sterzo, F.; Mazini, R.; Shi, L.; Soh, D. A.; Teng, P. K.; Wang, C.; Wang, S. M.; Yang, Y.] Acad Sinica, Inst Phys, Taipei, Taiwan. [Abreu, H.; Cheatham, S.; Di Mattia, A.; Kopeliansky, R.; Musto, E.; Rozen, Y.; Tarem, S.; van Eldik, N.] Technion Israel Inst Technol, Dept Phys, IL-32000 Haifa, Israel. [Abramowicz, H.; Alexander, G.; Amram, N.; Ashkenazi, A.; Bella, G.; Benary, O.; Benhammou, Y.; Davies, M.; Etzion, E.; Gershon, A.; Gueta, O.; Munwes, Y.; Oren, Y.; Silver, Y.; Soffer, A.; Taiblum, N.] Tel Aviv Univ, Raymond & Beverly Sackler Sch Phys & Astron, IL-69978 Tel Aviv, Israel. [Bachas, K.; Gkaitatzis, S.; Gkialas, I.; Iliadis, D.; Kimura, N.; Kordas, K.; Kourkoumeli-Charalampidi, A.; Leisos, A.; Orlando, N.; Papageorgiou, K.; Hernandez, D. Paredes; Petridou, C.; Sampsonidis, D.; Tsionou, D.] Aristotle Univ Thessaloniki, Dept Phys, GR-54006 Thessaloniki, Greece. [Akimoto, G.; Asai, S.; Dohmae, T.; Enari, Y.; Hanawa, K.; Kanaya, N.; Kataoka, Y.; Kawamoto, T.; Kazama, S.; Kobayashi, A.; Kobayashi, T.; Komori, Y.; Mashimo, T.; Hi, T. Masubuc; Minami, Y.; Morinaga, M.; Nakamura, T.; Ninomiya, Y.; Okuyama, T.; Sakamoto, H.; Sasaki, Y.; Tanaka, J.; Terashi, K.; Yamamoto, S.; Yamanaka, T.] Univ Tokyo, Int Ctr Elementary Particle Phys, Tokyo, Japan. [Akimoto, G.; Asai, S.; Dohmae, T.; Enari, Y.; Hanawa, K.; Kanaya, N.; Kataoka, Y.; Kawamoto, T.; Kazama, S.; Kobayashi, A.; Kobayashi, T.; Komori, Y.; Mashimo, T.; Hi, T. Masubuc; Minami, Y.; Morinaga, M.; Nakamura, T.; Ninomiya, Y.; Okuyama, T.; Sakamoto, H.; Sasaki, Y.; Tanaka, J.; Terashi, K.; Yamamoto, S.; Yamanaka, T.] Univ Tokyo, Dept Phys, Tokyo, Japan. [Bratzler, U.; Fukunaga, C.] Tokyo Metropolitan Univ, Grad Sch Sci & Technol, Tokyo 158, Japan. [Hirose, M.; Ishitsuka, M.; Jinnouchi, O.; Kobayashi, D.; Kuze, M.; Motohashi, K.; Nagai, R.; Nobe, T.; Pettersson, N. 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Fernandez; Ferrer, A.; Fiorini, L.; Fuster, J.; Garcia, C.; Navarro, J. E. Garcia; de la Hoz, S. Gonzalez; Jimenez, Y. Hernandez; Higon-Rodriguez, E.; Quiles, A. Irles; Pena, J. Jimenez; Kaci, M.; King, M.; Lacasta, C.; Lacuesta, V. R.; Marti-Garcia, S.; Mitsou, V. A.; Moles-Valls, R.; Garcia, E. Oliver; Lopez, S. Pedraza; Garcia-Estan, M. T. Perez; Adam, E. Romero; Ros, E.; Salt, J.; Sanchez, J.; Martinez, V. Sanchez; Soldevila, U.; Pastor, E. Torro; Valero, A.; Gallego, E. Valladolid; Ferrer, J. A. Valls; Vos, M.] Univ Valencia, Dept Ingn Elect, Valencia, Spain. [Piqueras, D. Alvarez; Urban, S. Cabrera; Gimenez, V. Castillo; Costa, M. J.; Martinez, P. Fernandez; Ferrer, A.; Fiorini, L.; Fuster, J.; Garcia, C.; Navarro, J. E. Garcia; de la Hoz, S. Gonzalez; Jimenez, Y. Hernandez; Higon-Rodriguez, E.; Quiles, A. Irles; Pena, J. Jimenez; Kaci, M.; King, M.; Lacasta, C.; Lacuesta, V. R.; Marti-Garcia, S.; Mitsou, V. A.; Moles-Valls, R.; Garcia, E. Oliver; Lopez, S. Pedraza; Garcia-Estan, M. T. Perez; Adam, E. Romero; Ros, E.; Salt, J.; Sanchez, J.; Martinez, V. Sanchez; Soldevila, U.; Pastor, E. Torro; Valero, A.; Gallego, E. Valladolid; Ferrer, J. A. Valls; Vos, M.] Univ Valencia, Inst Microelect Barcelona IMB CNM, Valencia, Spain. [Piqueras, D. Alvarez; Urban, S. Cabrera; Gimenez, V. Castillo; Costa, M. J.; Martinez, P. Fernandez; Ferrer, A.; Fiorini, L.; Fuster, J.; Garcia, C.; Navarro, J. E. Garcia; de la Hoz, S. Gonzalez; Jimenez, Y. Hernandez; Higon-Rodriguez, E.; Quiles, A. Irles; Pena, J. Jimenez; Kaci, M.; King, M.; Lacasta, C.; Lacuesta, V. R.; Marti-Garcia, S.; Mitsou, V. A.; Moles-Valls, R.; Garcia, E. Oliver; Lopez, S. Pedraza; Garcia-Estan, M. T. Perez; Adam, E. Romero; Ros, E.; Salt, J.; Sanchez, J.; Martinez, V. Sanchez; Soldevila, U.; Pastor, E. Torro; Valero, A.; Gallego, E. Valladolid; Ferrer, J. A. Valls; Vos, M.] CSIC, Valencia, Spain. [Danninger, M.; Fedorko, W.; Gay, C.; Gecse, Z.; King, S. 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S.; Heng, Y.; Ji, H.; Ju, X.; Kashif, L.; Kruse, A.; Ming, Y.; Pan, Y. B.; Wang, F.; Wiedenmann, W.; Wu, S. L.; Yang, H.; Zhang, F.; Zobernig, G.] Univ Wisconsin, Dept Phys, 1150 Univ Ave, Madison, WI 53706 USA. [Kuger, F.; Redelbach, A.; Schreyer, M.; Sidiropoulou, O.; Siragusa, G.; Stroehmer, R.; Tam, J. Y. C.; Trefzger, T.; Weber, S. W.; Zibell, A.] Univ Wurzburg, Fak Phys & Astron, Wurzburg, Germany. [Bannoura, A. A. E.; Beermann, T. A.; Braun, H. M.; Cornelissen, T.; Duda, D.; Ernis, G.; Fischer, J.; Fleischmann, S.; Flick, T.; Gabizon, O.; Hamacher, K.; Harenberg, T.; Heim, T.; Hirschbuehl, D.; Kersten, S.; Kohlmann, S.; Maettig, P.; Neumann, M.; Pataraia, S.; Riegel, C. J.; Sandhoff, M.; Tepel, F.; Wagner, W.; Zeitnitz, C.] Berg Univ Wuppertal, Fachbereich Phys C, Wuppertal, Germany. [Baker, O. K.; Cummings, J.; Demers, S.; Guest, D.; Henrichs, A.; Ideal, E.; Lagouri, T.; Leister, A. G.; Loginov, A.; Thomsen, L. A.; Tipton, P.; Wang, X.] Yale Univ, Dept Phys, New Haven, CT USA. 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[Conventi, F.; Della Pietra, M.] Univ Napoli Parthenope, Naples, Italy. [Corriveau, F.; McPherson, R. A.; Robertson, S. H.; Sobie, R.; Teuscher, R. J.] Inst Particle Phys, Waterloo, ON, Canada. [Fedin, O. L.] St Petersburg State Polytech Univ, Dept Phys, St Petersburg, Russia. [Grinstein, S.; Rozas, A. Juste; Martinez, M.] ICREA, Inst Catalana Recerca & Estudis Avancats, Barcelona, Spain. [Hsu, P. J.] Natl Tsing Hua Univ, Dept Phys, Hsinchu 30013, Taiwan. [Ilchenko, Y.; Onyisi, P. U. E.] Univ Texas Austin, Dept Phys, Austin, TX 78712 USA. [Jejelava, J.] Ilia State Univ, Inst Theoret Phys, Tbilisi, Rep of Georgia. [Khubua, J.] GTU, Tbilisi, Rep of Georgia. [Kono, T.] Ochanomizu Univ, Ochadai Acad Prod, Tokyo 112, Japan. [Konoplich, R.] Manhattan Coll, New York, NY USA. [Leisos, A.] Hellen Open Univ, Patras, Greece. [Lin, S. C.] Acad Sinica, Inst Phys, Acad Sinica Grid Comp, Taipei 115, Taiwan. [Myagkov, A. G.; Nikolaenko, V.; Zaitsev, A. M.] Moscow Phys Tech Inst, Dolgoprudnyi 141700, Russia. [Myagkov, A. G.; Nikolaenko, V.; Zaitsev, A. M.] Technol State Univ, Dolgoprudnyi, Russia. [Pinamonti, M.] Int Sch Adv Studies SISSA, Trieste, Italy. [Purohit, M.] Univ S Carolina, Dept Phys & Astron, Columbia, SC 29208 USA. [Shi, L.; Soh, D. A.] Sun Yat Sen Univ, Sch Phys & Engn, Guangzhou 510275, Guangdong, Peoples R China. [Smirnova, L. N.; Turchikhin, S.] Moscow MV Lomonosov State Univ, Fac Phys, Moscow, Russia. [Tompkins, L.] Stanford Univ, Dept Phys, Stanford, CA 94305 USA. [Toth, J.] Wigner Res Ctr Phys, Inst Particle & Nucl Phys, Budapest, Hungary. [Yacoob, S.] Univ KwaZulu Natal, Discipline Phys, Durban, South Africa. [Yusuff, I.] Univ Malaya, Dept Phys, Kuala Lumpur 59100, Malaysia. [ATLAS Collaboration] CERN, CH-1211 Geneva 23, Switzerland. RP Aad, G (reprint author), Aix Marseille Univ, CPPM, Marseille, France.; Aad, G (reprint author), CNRS, IN2P3, Marseille, France. RI Guo, Jun/O-5202-2015; Vanadia, Marco/K-5870-2016; Ippolito, Valerio/L-1435-2016; Smirnova, Oxana/A-4401-2013; Maneira, Jose/D-8486-2011; Prokoshin, Fedor/E-2795-2012; Di Domenico, Antonio/G-6301-2011; Staroba, Pavel/G-8850-2014; Gavrilenko, Igor/M-8260-2015; Gauzzi, Paolo/D-2615-2009; Maleev, Victor/R-4140-2016; D'Onofrio, Mirko/S-6828-2016; Camarri, Paolo/M-7979-2015; Vranjes Milosavljevic, Marija/F-9847-2016; Chekulaev, Sergey/O-1145-2015; Zhukov, Konstantin/M-6027-2015; SULIN, VLADIMIR/N-2793-2015; Snesarev, Andrey/H-5090-2013; Nechaeva, Polina/N-1148-2015; Mashinistov, Ruslan/M-8356-2015; Vykydal, Zdenek/H-6426-2016; Fedin, Oleg/H-6753-2016; Brooks, William/C-8636-2013; Ventura, Andrea/A-9544-2015; Kantserov, Vadim/M-9761-2015; Villa, Mauro/C-9883-2009; Aguilar Saavedra, Juan Antonio/F-1256-2016; Gladilin, Leonid/B-5226-2011; Livan, Michele/D-7531-2012; Carvalho, Joao/M-4060-2013; White, Ryan/E-2979-2015; Leyton, Michael/G-2214-2016; Jones, Roger/H-5578-2011; Tikhomirov, Vladimir/M-6194-2015; Doyle, Anthony/C-5889-2009; Boyko, Igor/J-3659-2013; Mitsou, Vasiliki/D-1967-2009; Warburton, Andreas/N-8028-2013; Mindur, Bartosz/A-2253-2017; Gutierrez, Phillip/C-1161-2011; Fabbri, Laura/H-3442-2012; Solodkov, Alexander/B-8623-2017; Zaitsev, Alexandre/B-8989-2017; Peleganchuk, Sergey/J-6722-2014; Yang, Haijun/O-1055-2015; Li, Liang/O-1107-2015; Monzani, Simone/D-6328-2017 OI Guo, Jun/0000-0001-8125-9433; Vanadia, Marco/0000-0003-2684-276X; Ippolito, Valerio/0000-0001-5126-1620; Smirnova, Oxana/0000-0003-2517-531X; Maneira, Jose/0000-0002-3222-2738; Prokoshin, Fedor/0000-0001-6389-5399; Di Domenico, Antonio/0000-0001-8078-2759; Gauzzi, Paolo/0000-0003-4841-5822; D'Onofrio, Mirko/0000-0003-3229-9329; Camarri, Paolo/0000-0002-5732-5645; Vranjes Milosavljevic, Marija/0000-0003-4477-9733; SULIN, VLADIMIR/0000-0003-3943-2495; Mashinistov, Ruslan/0000-0001-7925-4676; Vykydal, Zdenek/0000-0003-2329-0672; Brooks, William/0000-0001-6161-3570; Ventura, Andrea/0000-0002-3368-3413; Kantserov, Vadim/0000-0001-8255-416X; Villa, Mauro/0000-0002-9181-8048; Aguilar Saavedra, Juan Antonio/0000-0002-5475-8920; Gladilin, Leonid/0000-0001-9422-8636; Livan, Michele/0000-0002-5877-0062; Carvalho, Joao/0000-0002-3015-7821; White, Ryan/0000-0003-3589-5900; Leyton, Michael/0000-0002-0727-8107; Jones, Roger/0000-0002-6427-3513; Tikhomirov, Vladimir/0000-0002-9634-0581; Doyle, Anthony/0000-0001-6322-6195; Boyko, Igor/0000-0002-3355-4662; Mitsou, Vasiliki/0000-0002-1533-8886; Warburton, Andreas/0000-0002-2298-7315; Mindur, Bartosz/0000-0002-5511-2611; Fabbri, Laura/0000-0002-4002-8353; Solodkov, Alexander/0000-0002-2737-8674; Zaitsev, Alexandre/0000-0002-4961-8368; Peleganchuk, Sergey/0000-0003-0907-7592; Li, Liang/0000-0001-6411-6107; Monzani, Simone/0000-0002-0479-2207 FU ANPCyT, Argentina; YerPhI, Armenia; ARC, Australia; BMWFW, Austria; FWF, Austria; ANAS, Azerbaijan; SSTC, Belarus; CNPq, Brazil; FAPESP, Brazil; NSERC, Canada; NRC, Canada; CFI, Canada; CERN; CONICYT, Chile; CAS, China; MOST, China; NSFC, China; COLCIENCIAS, Colombia; MSMT CR, Czech Republic; MPO CR, Czech Republic; VSC CR, Czech Republic; DNRF, Denmark; DNSRC, Denmark; Lundbeck Foundation, Denmark; EPLANET; ERC; NSRF; European Union; IN2P3-CNRS, France; CEA-DSM/IRFU, France; GNSF, Georgia; BMBF, Germany; DFG, Germany; HGF, Germany; MPG, Germany; AvH Foundation, Germany; GSRT, Greece; NSRF, Greece; RGC, China; Hong Kong SAR, China; ISF, Israel; MINERVA, Israel; GIF, Israel; I-CORE, Israel; Benoziyo Center, Israel; INFN, Italy; MEXT, Japan; JSPS, Japan; CNRST, Morocco; FOM, Netherlands; NWO, Netherlands; BRF, Norway; RCN, Norway; MNiSW, Poland; NCN, Poland; GRICES, Serbia; FCT, Portugal; MNE/IFA, Romania; MES of Russia; NRC KI; Russian Federation; JINR; MSTD, Serbia; MSSR, Slovakia; ARRS, Slovenia; MIZS, Slovenia; DST/NRF, South Africa; MINECO, Spain; SRC, Sweden; Wallenberg Foundation, Sweden; SER, Switzerland; SNSF, Switzerland; Canton of Bern, Switzerland; Canton of Geneva, Switzerland; NSC, Taiwan; TAEK, Turkey; STFC, United Kingdom; Royal Society, United Kingdom; Leverhulme Trust, United Kingdom; DOE, United States of America; NSF, United States of America FX We thank CERN for the very successful operation of the LHC, as well as the support staff from our institutions without whom ATLAS could not be operated efficiently. We acknowledge the support of ANPCyT, Argentina; YerPhI, Armenia; ARC, Australia; BMWFW and FWF, Austria; ANAS, Azerbaijan; SSTC, Belarus; CNPq and FAPESP, Brazil; NSERC, NRC and CFI, Canada; CERN; CONICYT, Chile; CAS, MOST and NSFC, China; COLCIENCIAS, Colombia; MSMT CR, MPO CR and VSC CR, Czech Republic; DNRF, DNSRC and Lundbeck Foundation, Denmark; EPLANET, ERC and NSRF, European Union; IN2P3-CNRS, CEA-DSM/IRFU, France; GNSF, Georgia; BMBF, DFG, HGF, MPG and AvH Foundation, Germany; GSRT and NSRF, Greece; RGC, Hong Kong SAR, China; ISF, MINERVA, GIF, I-CORE and Benoziyo Center, Israel; INFN, Italy; MEXT and JSPS, Japan; CNRST, Morocco; FOM and NWO, Netherlands; BRF and RCN, Norway; MNiSW and NCN, Poland; GRICES and FCT, Portugal; MNE/IFA, Romania; MES of Russia and NRC KI, Russian Federation; JINR; MSTD, Serbia; MSSR, Slovakia; ARRS and MIZS, Slovenia; DST/NRF, South Africa; MINECO, Spain; SRC and Wallenberg Foundation, Sweden; SER, SNSF and Cantons of Bern and Geneva, Switzerland; NSC, Taiwan; TAEK, Turkey; STFC, the Royal Society and Leverhulme Trust, United Kingdom; DOE and NSF, United States of America. The crucial computing support from all WLCG partners is acknowledged gratefully, in particular from CERN and the ATLAS Tier-1 facilities at TRIUMF (Canada), NDGF (Denmark, Norway, Sweden), CC-IN2P3 (France), KIT/GridKA (Germany), INFNCNAF (Italy), NL-T1 (Netherlands), PIC (Spain), ASGC (Taiwan), RAL (UK) and BNL (USA) and in the Tier-2 facilities worldwide. NR 29 TC 2 Z9 2 U1 15 U2 47 PU SPRINGER PI NEW YORK PA 233 SPRING ST, NEW YORK, NY 10013 USA SN 1434-6044 EI 1434-6052 J9 EUR PHYS J C JI Eur. Phys. J. 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Zoccoli, A. zur Nedden, M. Zurzolo, G. Zwalinski, L. CA ATLAS Collaboration TI Measurements of the Higgs boson production and decay rates and coupling strengths using pp collision data at root s=7 and 8 TeV in the ATLAS experiment SO EUROPEAN PHYSICAL JOURNAL C LA English DT Article ID HADRON COLLIDERS; STANDARD MODEL; PARTON DISTRIBUTIONS; QCD CORRECTIONS; CROSS-SECTIONS; ELECTROWEAK CORRECTIONS; MASSLESS PARTICLES; BROKEN SYMMETRIES; FINAL-STATES; TOP-QUARK AB Combined analyses of the Higgs boson production and decay rates as well as its coupling strengths to vector bosons and fermions are presented. The combinations include the results of the analyses of the H -> gamma gamma, ZZ*, WW*, Z gamma, b (b) over bar, tau tau and mu mu decay modes, and the constraints on the associated production with a pair of top quarks and on the off-shell coupling strengths of the Higgs boson. The results are based on the LHC proton-proton collision datasets, with integrated luminosities of up to 4.7 fb(-1) at root s = 7 TeV and 20.3 fb(-1) at root s = 8 TeV, recorded by the ATLAS detector in 2011 and 2012. Combining all production modes and decay channels, the measured signal yield, normalised to the Standard Model expectation, is 1.18(-0.14)(+0.15). The observed Higgs boson production and decay rates are interpreted in a leading-order coupling framework, exploring a wide range of benchmark coupling models both with and without assumptions on the Higgs boson width and on the Standard Model particle content in loop processes. The data are found to be compatible with the Standard Model expectations for a Higgs boson at a mass of 125.36 GeV for all models considered. C1 [Abreu, R.; Aleksa, M.; Gonzalez, B. Alvarez; Andari, N.; Anders, G.; Anghinolfi, F.; Armbruster, A. J.; Arnaez, O.; Avolio, G.; Baak, M. 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[Amelung, C.; Amundsen, G.; Artoni, G.; Bensinger, J. R.; Bianchini, L.; Blocker, C.; Coffey, L.; Dhaliwal, S.; Fitzgerald, E. A.; Sciolla, G.; Venturini, A.; Zengel, K.] Brandeis Univ, Dept Phys, Waltham, MA 02254 USA. [Coutinho, Y. Amaral; Caloba, L. P.; Maidantchik, C.; Marroquim, F.; Nepomuceno, A. A.; Seixas, J. M.] Univ Fed Rio de Janeiro, COPPE EE IF, Rio De Janeiro, Brazil. [Cerqueira, A. S.; de Andrade Filho, L. Manhaes] Univ Fed Juiz de Fora, Elect Circuits Dept, Juiz de Fora, Brazil. [do Vale, M. A. B.] Fed Univ Sao Joao Rei UFSJ, Sao Joao Del Rei, Brazil. [Donadelli, M.; Navarro, J. L. La Rosa; Leite, M. A. L.] Univ Sao Paulo, Inst Fis, CP 20516, BR-01498 Sao Paulo, Brazil. [Adams, D. L.; Assamagan, K.; Begel, M.; Buttinger, W.; Chen, H.; Chernyatin, V.; Debbe, R.; Ernst, M.; Gibbard, B.; Gordon, H. A.; Iakovidis, G.; Klimentov, A.; Kouskoura, V.; Kravchenko, A.; Lanni, F.; Lissauer, D.; Lynn, D.; Ma, H.; Maeno, T.; Metcalfe, J.; Mountricha, E.; Nevski, P.; Nilsson, P.; Damazio, D. Oliveira; Paige, F.; Panitkin, S.; Perepelitsa, D. V.; Pleier, M. -A.; Polychronakos, V.; Protopopescu, S.; Purohit, M.; Radeka, V.; Rajagopalan, S.; Redlinger, G.; Snyder, S.; Steinberg, P.; Takai, H.; Undrus, A.; Wenaus, T.; Ye, S.] Brookhaven Natl Lab, Dept Phys, Upton, NY 11973 USA. [Alexa, C.; Boldea, V.; Buda, S. I.; Caprini, I.; Caprini, M.; Chitan, A.; Ciubancan, M.; Constantinescu, S.; Dita, P.; Dita, S.; Dobre, M.; Ducu, O. A.; Jinaru, A.; Martoiu, V. S.; Maurer, J.; Olariua, A.; Pantea, D.; Rotaru, M.; Stoicea, G.; Tudorache, A.; Tudorache, V.] Horia Hulubei Natl Inst Phys & Nucl Engn, Bucharest 077125, Romania. [Popeneciu, G. A.] Natl Inst Res & Dev Isotop & Mol Technol, Dept Phys, Cluj Napoca, Romania. Univ Politehn Bucuresti, Bucharest, Romania. West Univ Timisoara, Timisoara, Romania. [Otero y Garzon, G.; Piegaia, R.; Reisin, H.; Sacerdoti, S.] Univ Buenos Aires, Dept Fis, Buenos Aires, DF, Argentina. [Arratia, M.; Barlow, N.; Batley, J. R.; Brochu, F. M.; Carter, J. R.; Chapman, J. D.; Cottin, G.; French, S. T.; Gillam, T. P. S.; Hill, J. C.; Kaneti, S.; Khoo, T. J.; Lester, C. G.; Mueller, T.; Parker, M. A.; Robinson, D.; Thomson, M.; Ward, C. P.; Yusuff, I.] Univ Cambridge, Cavendish Lab, Cambridge CB3 0HE, England. [Bellerive, A.; Cree, G.; Di Valentino, D.; Koffas, T.; Lacey, J.; Leight, W. A.; McCarthy, T. G.; Nomidis, I.; Oakham, F. G.; Pasztor, G.; Tarrade, F.; Ueno, R.; Vincter, M. G.; Whalen, K.] Carleton Univ, Dept Phys, Ottawa, ON K1S 5B6, Canada. [Alison, J.; Anderson, K. J.; Toro, R. Camacho; Cheng, Y.; Dandoy, J. R.; Facini, G.; Fiascaris, M.; Gardner, R. W.; Ilchenko, Y.; Kapliy, A.; Kim, Y.; Krizka, K.; Li, H. L.; Merritt, F. S.; Miller, D. W.; Narayan, R.; Okumura, Y.; Onyisi, P. U. E.; Oreglia, M. J.; Penning, B.; Pilcher, J. E.; Saxon, J.; Shochet, M. J.; Vukotic, I.; Webster, J. S.; Wu, M.] Univ Chicago, Enrico Fermi Inst, 5640 S Ellis Ave, Chicago, IL 60637 USA. [Carquin, E.; Diaz, M. A.; Ochoa-Ricoux, J. P.; Vogel, M.] Pontificia Univ Catolica Chile, Dept Fis, Alameda 340, Santiago, Chile. [Brooks, W. K.; Kuleshov, S.; Pezoa, R.; Prokoshin, F.; White, R.] Univ Tecn Federico Santa Maria, Dept Fis, Valparaiso, Chile. [Bai, Y.; Fang, Y.; Jin, S.; Lou, X.; Ouyang, Q.; Ren, H.; Shan, L. Y.; Sun, X.; Wang, J.; Xu, D.; Yao, L.; Zhu, H.; Zhuang, X.] Chinese Acad Sci, Inst High Energy Phys, Beijing, Peoples R China. [Gao, J.; Guan, L.; Han, L.; Hu, Q.; Jiang, Y.; Li, B.; Liu, J. B.; Liu, M.; Liu, Y.; Peng, H.; Song, H. Y.; Xu, L.; Zhang, R.; Zhao, Z.; Zhu, Y.] Univ Sci & Technol China, Dept Modern Phys, Hefei 230026, Anhui, Peoples R China. [Chen, S.; Li, Y.; Wang, C.] Nanjing Univ, Dept Phys, Nanjing 210008, Jiangsu, Peoples R China. [Chen, L.; Feng, C.; Ge, P.; Liu, B.; Ma, L. L.; Zhang, X.; Zhao, Y.; Zhu, C. G.] Shandong Univ, Sch Phys, Jinan, Shandong, Peoples R China. [Guo, J.; Li, L.; Yang, H.] Shanghai Jiao Tong Univ, Dept Phys & Astron, Shanghai Key Lab Particle Phys & Cosmol, Shanghai 200030, Peoples R China. [Chen, X.] Tsinghua Univ, Dept Phys, Beijing 100084, Peoples R China. [Boumediene, D.; Busato, E.; Calvet, D.; Calvet, S.; Donini, J.; Dubreuil, E.; Gilles, G.; Gris, Ph.; Liao, H.; Madar, R.; Pallin, D.; Saez, S. M. Romano; Santoni, C.; Simon, D.; Theveneaux-Pelzer, T.; Vazeille, F.] Univ Clermont Ferrand 2, Phys Corpusculaire Lab, Clermont Ferrand, France. [Boumediene, D.; Busato, E.; Calvet, D.; Calvet, S.; Donini, J.; Dubreuil, E.; Gilles, G.; Gris, Ph.; Liao, H.; Madar, R.; Pallin, D.; Saez, S. M. Romano; Santoni, C.; Simon, D.; Theveneaux-Pelzer, T.; Vazeille, F.] Univ Blaise Pascal, Clermont Ferrand, France. [Boumediene, D.; Busato, E.; Calvet, D.; Calvet, S.; Donini, J.; Dubreuil, E.; Gilles, G.; Gris, Ph.; Liao, H.; Madar, R.; Pallin, D.; Saez, S. M. Romano; Santoni, C.; Simon, D.; Theveneaux-Pelzer, T.; Vazeille, F.] CNRS, IN2P3, Clermont Ferrand, France. [Alkire, S. P.; Altheimer, A.; Andeen, T.; Angerami, A.; Bain, T.; Brooijmans, G.; Cole, B.; Hu, D.; Hughes, E. W.; Iordanidou, K.; Klein, M. H.; Mohapatra, S.; Nikiforou, N.; Parsons, J. A.; Smith, M. N. K.; Smith, R. W.; Thompson, E. N.; Tuts, P. M.; Zhou, L.] Columbia Univ, Nevis Lab, Irvington, NY USA. [Dam, M.; Galster, G.; Hansen, J. B.; Hansen, J. D.; Hansen, P. H.; Joergensen, M. D.; Loevschall-Jensen, A. E.; Monk, J.; Mortensen, S. S.; Pedersen, L. E.; Petersen, T. C.; Pingel, A.; Wiglesworth, C.; Xella, S.] Univ Copenhagen, Niels Bohr Inst, Blegdamsvej 17, DK-2100 Copenhagen, Denmark. [Cairo, V. M.; Capua, M.; Crosetti, G.; La Rotonda, L.; Mastroberardino, A.; Policicchio, A.; Salvatore, D.; Scarfone, V.; Schioppa, M.; Susinno, G.; Tassi, E.] Ist Nazl Fis Nucl, Lab Nazl Frascati, Grp Collegato Cosenza, POB 13, I-00044 Frascati, Italy. [Aloisio, A.; Cairo, V. M.; Capua, M.; Crosetti, G.; La Rotonda, L.; Mastroberardino, A.; Policicchio, A.; Salvatore, D.; Scarfone, V.; Schioppa, M.; Susinno, G.; Tassi, E.] Univ Calabria, I-87036 Arcavacata Di Rende, Italy. [Adamczyk, L.; Bold, T.; Dabrowski, W.; Dyndal, M.; Grabowska-Bold, I.; Kisielewska, D.; Koperny, S.; Kowalski, T. Z.; Mindur, B.; Przybycien, M.; Zemla, A.] AGH Univ Sci & Technol, Fac Phys & Appl Comp Sci, PL-30059 Krakow, Poland. [Palka, M.; Richter-Was, E.] Jagiellonian Univ, Marian Smoluchowski Inst Phys, Krakow, Poland. [Banas, E.; de Renstrom, P. A. Bruckman; Chwastowski, J. J.; Derendarz, D.; Godlewski, J.; Gornicki, E.; Hajduk, Z.; Iwanski, W.; Kaczmarska, A.; Korcyl, K.; Malecki, Pa.; Olszewski, A.; Olszowska, J.; Stanecka, E.; Staszewski, R.; Trzebinski, M.; Trzupek, A.; Wolter, M. W.; Wosiek, B. K.; Wozniak, K. W.; Zabinski, B.] Polish Acad Sci, Inst Nucl Phys, Krakow, Poland. [Cao, T.; Firan, A.; Hetherly, J. W.; Kama, S.; Kehoe, R.; Sekula, S. J.; Stroynowski, R.; Turvey, A. J.; Varol, T.; Wang, H.; Ye, J.; Zhao, X.; Zhou, L.] So Methodist Univ, Dept Phys, Dallas, TX 75275 USA. [Izen, J. M.; Leyton, M.; Meirose, B.; Namasivayam, H.; Reeves, K.] Univ Texas Dallas, Dept Phys, Richardson, TX 75083 USA. [Argyropoulos, S.; Asbah, N.; Bessner, M.; Bloch, I.; Borroni, S.; Britzger, D.; Camarda, S.; Deterre, C.; Eckardt, C.; Filipuzzi, M.; Glazov, A.; Grahn, K-J.; Gregor, I. M.; Grohsjean, A.; Haleem, M.; Hamnett, P. G.; Hengler, C.; Hiller, K. H.; Howarth, J.; Huang, Y.; Katzy, J.; Keller, J. S.; Kondrashova, N.; Kuhl, T.; Lobodzinska, E.; Lohwasser, K.; Mamuzic, J.; Medinnis, M.; Moenig, K.; Garcia, R. F. Naranjo; Naumann, T.; Peschke, R.; Petit, E.; Radescu, V.; Rubinskiy, I.; Schaefer, R.; Schmitt, S.; Sedov, G.; Shushkevich, S.; South, D.; Stanescu-Bellu, M.; Stanitzki, M. M.; Starovoitov, P.; Styles, N. A.; Tackmann, K.; Wang, J.; Wasicki, C.; Yildirim, E.] DESY, Notkestr 85, Hamburg, Germany. [Argyropoulos, S.; Asbah, N.; Bessner, M.; Bloch, I.; Borroni, S.; Britzger, D.; Camarda, S.; Deterre, C.; Eckardt, C.; Filipuzzi, M.; Glazov, A.; Grahn, K-J.; Gregor, I. M.; Grohsjean, A.; Haleem, M.; Hamnett, P. G.; Hengler, C.; Hiller, K. H.; Howarth, J.; Huang, Y.; Katzy, J.; Keller, J. S.; Kondrashova, N.; Kuhl, T.; Lobodzinska, E.; Lohwasser, K.; Mamuzic, J.; Medinnis, M.; Moenig, K.; Garcia, R. F. Naranjo; Naumann, T.; Peschke, R.; Petit, E.; Radescu, V.; Rubinskiy, I.; Schaefer, R.; Schmitt, S.; Sedov, G.; Shushkevich, S.; South, D.; Stanescu-Bellu, M.; Stanitzki, M. M.; Starovoitov, P.; Styles, N. A.; Tackmann, K.; Wang, J.; Wasicki, C.; Yildirim, E.] DESY, Zeuthen, Germany. [Burmeister, I.; Erdmann, J.; Esch, H.; Goessling, C.; Homann, M.; Jentzsch, J.; Jung, C. A.; Klingenberg, R.; Kroeninger, K.] Tech Univ Dortmund, Inst Exp Phys 4, D-44221 Dortmund, Germany. [Anger, P.; Duschinger, D.; Friedrich, F.; Grohs, J. P.; Gumpert, C.; Gutschow, C.; Hauswald, L.; Kobel, M.; Mader, W. F.; Morgenstern, M.; Novgorodova, O.; Rudolph, C.; Schnoor, U.; Siegert, F.; Socher, F.; Staerz, S.; Straessner, A.; Vest, A.; Wahrmund, S.] Tech Univ Dresden, Inst Kern & Teilchenphys, D-01062 Dresden, Germany. [Arce, A. T. H.; Benjamin, D. P.; Bocci, A.; Cerio, B. C.; Goshaw, A. T.; Kajomovitz, E.; Kotwal, A.; Kruse, M. C.; Li, L.; Li, S.; Liu, M.; Oh, S. H.; Zhou, C.] Duke Univ, Dept Phys, Durham, NC 27706 USA. [Bhimji, W.; Bristow, T. M.; Clark, P. J.; Dias, F. A.; Edwards, N. C.; Gao, Y.; Walls, F. M. Garay; Glaysher, P. C. F.; Harrington, R. D.; Leonidopoulos, C.; Martin, V. J.; Mills, C.; O'Brien, B. J.; Pino, S. A. Olivares; Proissl, M.; Selbach, K. E.; Smart, B. H.; Washbrook, A.; Wynne, B. M.] Univ Edinburgh, SUPA Sch Phys & Astron, Edinburgh, Midlothian, Scotland. [Antonelli, M.; Beretta, M.; Bilokon, H.; Chiarella, V.; Curatolo, M.; Di Nardo, R.; Esposito, B.; Gatti, C.; Giromini, P.; Laurelli, P.; Maccarrone, G.; Mancini, G.; Sansoni, A.; Testa, M.; Vilucchi, E.] Ist Nazl Fis Nucl, Lab Nazl Frascati, POB 13, I-00044 Frascati, Italy. [Amoroso, S.; Arnold, H.; Betancourt, C.; Boehler, M.; Bruneliere, R.; Buehrer, F.; Buescher, D.; Coniavitis, E.; Consorti, V.; Dang, N. P.; Dao, V.; Di Simone, A.; Flechl, M.; Giuliani, C.; Herten, G.; Jakobs, K.; Javurek, T.; Jenni, P.; Kiss, F.; Koeneke, K.; Kopp, A. K.; Kuehn, S.; Lai, S.; Landgraf, U.; Mahboubi, K.; Mohr, W.; Pagacova, M.; Parzefall, U.; Ronzani, M.; Rosbach, K.; Ruehr, F.; Rurikova, Z.; Ruthmann, N.; Schillo, C.; Schmidt, E.; Schumacher, M.; Sommer, P.; Sundermann, J. E.; Temming, K. K.; Tsiskaridze, V.; Ungaro, F. C.; von Radziewski, H.; Warsinsky, M.; Weiser, C.; Werner, M.; Zhang, L.; Zimmermann, S.] Univ Freiburg, Fak Math & Phys, Freiburg, Germany. [Ancu, L. S.; Barone, G.; Bell, W. H.; Noccioli, E. Benhar; De Mendizabal, J. Bilbao; Clark, A.; Delitzsch, C. M.; della Volpe, D.; Doglioni, C.; Ferrere, D.; Gadomski, S.; Golling, T.; Gonzalez-Sevilla, S.; Gramling, J.; Guescini, F.; Iacobucci, G.; Katre, A.; La Rosa, A.; Mermod, P.; Miucci, A.; Muenstermann, D.; Nessi, M.; Paolozzi, L.; Picazio, A.; Ristic, B.; Tykhonov, A.; Vallecorsa, S.; Wu, X.] Univ Geneva, Sect Phys, Geneva, Switzerland. [Barberis, D.; Darbo, G.; Favareto, A.; Parodi, A. Ferretto; Gagliardi, G.; Gaudiello, A.; Gemme, C.; Guido, E.; Morettini, P.; Osculati, B.; Parodi, F.; Passaggio, S.; Rossi, L. P.; Sannino, M.; Schiavi, C.] Ist Nazl Fis Nucl, Sez Genova, Via Dodecaneso 33, I-16146 Genoa, Italy. [Barberis, D.; Favareto, A.; Parodi, A. Ferretto; Gagliardi, G.; Gaudiello, A.; Guido, E.; Osculati, B.; Parodi, F.; Sannino, M.; Schiavi, C.] Univ Genoa, Dipartimento Fis, Genoa, Italy. [Jejelava, J.; Tskhadadze, E. G.] Iv Javakhishvili Tbilisi State Univ, E Andronikashvili Inst Phys, Tbilisi, Rep of Georgia. [Djobava, T.; Durglishvili, A.; Mosidze, M.] Tbilisi State Univ, Inst High Energy Phys, GE-380086 Tbilisi, Rep of Georgia. [Dueren, M.; Kreutzfeldt, K.; Stenzel, H.] Univ Giessen, Inst Phys 2, D-35390 Giessen, Germany. [Bates, R. L.; Britton, D.; Buckley, A. G.; Bussey, P.; Buttar, C. M.; Buzatu, A.; Cinca, D.; D'Auria, S.; Doyle, A. T.; Ferrando, J.; de Lima, D. E. Ferreira; Gul, U.; Ortiz, N. G. Gutierrez; Kar, D.; Knue, A.; Morton, A.; Mullen, P.; O'Shea, V.; Barrera, C. Oropeza; Owen, M.; Pollard, C. S.; Qin, G.; Quilty, D.; Ravenscroft, T.; Robson, A.; Denis, R. D. St.; Stewart, G. A.; Thompson, A. S.] Univ Glasgow, SUPA Sch Phys & Astron, Glasgow, Lanark, Scotland. [Bindi, M.; Blumenschein, U.; Brandt, G.; Drechsler, E.; George, M.; Graber, L.; Grosse-Knetter, J.; Hamer, M.; Kareem, M. J.; Kawamura, G.; Lemmer, B.; Magradze, E.; Mantoani, M.; Mchedlidze, G.; Llacer, M. Moreno; Musheghyan, H.; Nackenhorst, O.; Nadal, J.; Quadt, A.; Rieger, J.; Schorlemmer, A. L. S.; Shabalina, E.; Stolte, P.; Weingarten, J.; Zinonos, Z.] Univ Gottingen, Inst Phys 2, D-37073 Gottingen, Germany. [Albrand, S.; Brown, J.; Collot, J.; Crepe-Renaudin, S.; Delsart, P. A.; Gabaldon, C.; Genest, M. H.; Hostachy, J-Y.; Ledroit-Guillon, F.; Lleres, A.; Lucotte, A.; Malek, F.; Monini, C.; Stark, J.; Trocme, B.; Wu, M.] Univ Grenoble Alpes, CNRS, IN2P3, Lab Phys Subatom & Cosmol, Grenoble, France. [McFarlane, K. W.] Hampton Univ, Dept Phys, Hampton, VA 23668 USA. [da Costa, J. Barreiro Guimaraes; Catastini, P.; Clark, B. L.; Franklin, M.; Huth, J.; Ippolito, V.; Lazovich, T.; Mateos, D. Lopez; Mercurio, K. M.; Morii, M.; Skottowe, H. P.; Spearman, W. R.; Sun, S.; Tolley, E.; Yen, A. L.; Zambito, S.] Harvard Univ, Lab Particle Phys & Cosmol, Cambridge, MA 02138 USA. [Andrei, V.; Baas, A. E.; Brandt, O.; Davygora, Y.; Djuvsland, J. I.; Dunford, M.; Geisler, M. P.; Hanke, P.; Jongmanns, J.; Kluge, E. -E.; Kugel, A.; Lang, V. S.; Meier, K.; Scharf, V.; Schultz-Coulona, H. -C.; Stamen, R.; Wessels, M.] Heidelberg Univ, Kirchhoff Inst Phys, Heidelberg, Germany. [Anders, C. F.; Giulini, M.; Lisovyi, M.; Schaetzel, S.; Schmitt, S.; Schoening, A.; Sosa, D.] Heidelberg Univ, Inst Phys, Philosophenweg 12, Heidelberg, Germany. [Colombo, T.; Kretz, M.; Kugel, A.] Heidelberg Univ, ZITI Inst Tech Informat, Heidelberg, Germany. [Nagasaka, Y.] Hiroshima Inst Technol, Fac Appl Informat Sci, Hiroshima, Japan. [Bortolotto, V.; Castillo, L. R. Flores] Chinese Univ Hong Kong, Dept Phys, Shatin, Hong Kong, Peoples R China. [Bortolotto, V.] Univ Hong Kong, Dept Phys, Hong Kong, Hong Kong, Peoples R China. [Bortolotto, V.; Prokofiev, K.] Hong Kong Univ Sci & Technol, Dept Phys, Kowloon, Hong Kong, Peoples R China. [Choi, K.; Dattagupta, A.; Evans, H.; Gagnon, P.; Lammers, S.; Martinez, N. Lorenzo; Luehring, F.; Ogren, H.; Penwell, J.; Weinert, B.; Zieminska, D.] Indiana Univ, Dept Phys, Bloomington, IN 47405 USA. [Jansky, R. W.; Jussel, P.; Kneringer, E.; Lukas, W.; Ritsch, E.; Usanova, A.] Leopold Franzens Univ, Inst Astro & Teilchenphys, Innsbruck, Austria. [Mallik, U.; Mandrysch, R.; Zaidan, R.] Univ Iowa, Iowa City, IA USA. [Chen, C.; Cochran, J.; De Lorenzi, F.; Krumnack, N.; Pluth, D.; Prell, S.] Iowa State Univ, Dept Phys & Astron, Ames, IA USA. [Ahmadov, F.; Aleksandrov, I. N.; Bednyakov, V. A.; Boyko, I. R.; Budagov, I. A.; Chelkov, G. A.; Cheplakov, A.; Chizhov, M. V.; Dedovich, D. V.; Demichev, M.; Gostkin, M. I.; Huseynov, N.; Javadov, N.; Karpov, S. N.; Karpova, Z. M.; Kazarinov, M. Y.; Khramov, E.; Kotov, V. M.; Kruchonak, U.; Krumshteyn, Z. V.; Kukhtin, V.; Ladygin, E.; Minashvili, I. A.; Mineev, M.; Peshekhonov, V. D.; Plotnikova, E.; Potrap, I. N.; Pozdnyakov, V.; Rusakovich, N. A.; Sadykov, R.; Sapronov, A.; Shiyakova, M.; Sisakyan, A. N.; Vinogradov, V. B.; Yeletskikh, I.; Zhemchugov, A.; Zimine, N. I.] Joint Inst Nucl Res Dubna, Dubna, Russia. [Amako, K.; Aoki, M.; Arai, Y.; Ikegami, Y.; Ikeno, M.; Iwasaki, H.; Kanzaki, J.; Kohriki, T.; Kondo, T.; Kono, T.; Makida, Y.; Nagano, K.; Nakamura, K.; Nozaki, M.; Odaka, S.; Sasaki, O.; Suzuki, S.; Suzuki, Y.; Takubo, Y.; Tanaka, S.; Terada, S.; Tokushuku, K.; Tsuno, S.; Unno, Y.; Yamada, M.; Yamamoto, A.; Yasu, Y.] High Energy Accelerator Res Org, KEK, Tsukuba, Ibaraki, Japan. [Chen, Y.; Hasegawa, M.; Inamaru, Y.; Kishimoto, T.; Kurashige, H.; Kurumida, R.; Ochi, A.; Shimizu, S.; Takeda, H.; Yakabe, R.; Yamazaki, Y.; Yuan, L.] Kobe Univ, Grad Sch Sci, Kobe, Hyogo 657, Japan. [Ishino, M.; Kunigo, T.; Sumida, T.; Tashiro, T.] Kyoto Univ, Fac Sci, Kyoto, Japan. [Takashima, R.] Kyoto Univ, Kyoto 612, Japan. [Kawagoe, K.; Oda, S.; Otono, H.; Tojo, J.] Kyushu Univ, Dept Phys, Fukuoka 812, Japan. [Alconada Verzini, M. J.; Alonso, F.; Arduh, F. A.; Dova, M. T.; Monticelli, F.; Wahlberg, H.] Univ Nacl La Plata, Inst Fis La Plata, RA-1900 La Plata, Buenos Aires, Argentina. [Alconada Verzini, M. J.; Alonso, F.; Arduh, F. A.; Dova, M. T.; Monticelli, F.; Wahlberg, H.] Consejo Nacl Invest Cient & Tecn, La Plata, Buenos Aires, Argentina. [Barton, A. E.; Beattie, M. D.; Borissov, G.; Bouhova-Thacker, E. V.; Dearnaley, W. J.; Fox, H.; Grimm, K.; Henderson, R. C. W.; Hughes, G.; Jones, R. W. L.; Kartvelishvili, V.; Long, R. E.; Love, P. A.; Maddocks, H. J.; Skinner, M. B.; Smizanska, M.; Walder, J.; Wharton, A. M.] Univ Lancaster, Dept Phys, Lancaster, England. [Chiodini, G.; Gorini, E.; Primaveraa, M.; Spagnolo, S.; Ventura, A.] Ist Nazl Fis Nucl, Sez Lecce, Lecce, Italy. [Gorini, E.; Spagnolo, S.; Ventura, A.] Univ Salento, Dipartimento Matemat & Fis, Lecce, Italy. [Affolder, A. A.; Allport, P. P.; Anders, J. K.; Burdin, S.; D'Onofrio, M.; Dervan, P.; Gwilliam, C. B.; Hayward, H. S.; Jackson, M.; Jones, T. J.; King, B. T.; Klein, M.; Klein, U.; Kretzschmar, J.; Laycock, P.; Lehan, A.; Maxfield, S. J.; Mehta, A.; Readioff, N. P.; Schnellbach, Y. J.; Vossebeld, J. H.] Univ Liverpool, Oliver Lodge Lab, Liverpool L69 3BX, Merseyside, England. [Cindro, V.; Deliyergiyev, M.; Filipcic, A.; Gorisek, A.; Kersevan, B. P.; Kramberger, G.; Mandic, I.; Mikuz, M.; Sfiligoj, T.] Jozef Stefan Inst, Dept Phys, Ljubljana, Slovenia. [Cindro, V.; Deliyergiyev, M.; Filipcic, A.; Gorisek, A.; Kersevan, B. P.; Kramberger, G.; Mandic, I.; Mikuz, M.; Sfiligoj, T.] Univ Ljubljana, Ljubljana, Slovenia. [Alpigiani, C.; Bevan, A. J.; Bona, M.; Bret, M. Cano; Cerrito, L.; Fletcher, G.; Goddard, J. R.; Hays, J. M.; Hickling, R.; Landon, M. P. J.; Lloyd, S. L.; Morris, J. D.; Nooney, T.; Piccaro, E.; Rizvi, E.; Sandbach, R. L.; Snidero, G.; Castanheira, M. Teixeira Dias] Queen Mary Univ London, Sch Phys & Astron, London, England. [Berry, T.; Blanco, J. E.; Boisvert, V.; Brooks, T.; Connelly, I. A.; Cowan, G.; Duguid, L.; Giannelli, M. Faucci; George, S.; Gibson, S. M.; Kempster, J. J.; Vazquez, J. G. Panduro; Pastore, Fr.; Savage, G.; Sowden, B. C.; Spano, F.; Teixeira-Dias, P.; Thomas-Wilsker, J.] Royal Holloway Univ London, Dept Phys, Surrey, England. [Bieniek, S. P.; Butterworth, J. M.; Campanelli, M.; Casadei, D.; Chislett, R. T.; Christodoulou, V.; Cooper, B. D.; Davison, P.; Falla, R. J.; Freeborn, D.; Gregersen, K.; Hesketh, G. G.; Jansen, E.; Jiggins, S.; Konstantinidis, N.; Korn, A.; Kucuk, H.; Lambourne, L.; Leney, K. J. C.; Martyniuk, A. C.; Mcfayden, J. A.; Nurse, E.; Ochoa, I.; Richter, S.; Scanlon, T.; Sherwood, P.; Simmons, B.; Wardrope, D. R.; Waugh, B. M.] UCL, Dept Phys & Astron, London, England. [Greenwood, Z. D.; Grossi, G. C.; Jana, D. K.; Sawyer, L.; Subramaniam, R.] Louisiana Tech Univ, Ruston, LA 71270 USA. [Beau, T.; Bomben, M.; Calderini, G.; Crescioli, F.; De Cecco, S.; Demilly, A.; Derue, F.; Francavilla, P.; Lacour, D.; Laforge, B.; Laplace, S.; Le Dortz, O.; Lefebvre, G.; Malaescu, B.; Marchiori, G.; Nikolic-Audit, I.; Ocariz, J.; Pandini, C. E.; Pires, S.; Ridel, M.; Roos, L.; Trincaz-Duvoid, S.; Vannucci, F.; Varouchas, D.] UPMC, Lab Phys Nucl & Hautes Energies, Paris, France. [Beau, T.; Bomben, M.; Calderini, G.; Crescioli, F.; De Cecco, S.; Demilly, A.; Derue, F.; Francavilla, P.; Lacour, D.; Laforge, B.; Laplace, S.; Le Dortz, O.; Lefebvre, G.; Malaescu, B.; Marchiori, G.; Nikolic-Audit, I.; Ocariz, J.; Pandini, C. E.; Pires, S.; Ridel, M.; Roos, L.; Trincaz-Duvoid, S.; Vannucci, F.; Varouchas, D.] Univ Paris Diderot, Paris, France. [Beau, T.; Bomben, M.; Calderini, G.; Crescioli, F.; De Cecco, S.; Demilly, A.; Derue, F.; Francavilla, P.; Lacour, D.; Laforge, B.; Laplace, S.; Le Dortz, O.; Lefebvre, G.; Malaescu, B.; Marchiori, G.; Nikolic-Audit, I.; Ocariz, J.; Pandini, C. E.; Pires, S.; Ridel, M.; Roos, L.; Trincaz-Duvoid, S.; Vannucci, F.; Varouchas, D.] CNRS, IN2P3, Paris, France. [Akesson, T. P. A.; Bocchetta, S. S.; Bryngemark, L.; Floderus, A.; Hawkins, A. D.; Hedberg, V.; Ivarsson, J.; Lytken, E.; Mjornmark, J. U.; Smirnova, O.; Viazlo, O.] Lund Univ, Inst Fys, Lund, Sweden. [Arnal, V.; Barreiro, F.; Cantero, J.; De la Torre, H.; Del Peso, J.; Glasman, C.; Llorente Merino, J.; Terron, J.] Univ Autonoma Madrid, Dept Fis Teor C 15, Madrid, Spain. [Becker, M.; Bertella, C.; Blum, W.; Buescher, V.; Caputo, R.; Caudron, J.; Ellinghaus, F.; Endner, O. C.; Ertel, E.; Fiedler, F.; Torregrosa, E. Fullana; Heck, T.; Hohlfeld, M.; Huelsing, T. A.; Karnevskiy, M.; Kleinknecht, K.; Koenig, S.; Koepke, L.; Lin, T. H.; Masetti, L.; Mattmann, J.; Meyer, C.; Moritz, S.; Poettgen, R.; Rave, S.; Sander, H. G.; Schaeffer, J.; Schaefer, U.; Schmitt, C.; Schott, M.; Schroeder, C.; Schuh, N.; Simioni, E.; Tapprogge, S.; Urrejola, P.; Valderanis, C.; Wollstadt, S. J.; Zimmermann, C.; Zinser, M.] Johannes Gutenberg Univ Mainz, Inst Phys, D-55122 Mainz, Germany. [Balli, F.; Barnes, S. L.; Cox, B. E.; Da Via, C.; Forti, A.; Ponce, J. M. Iturbe; Joshi, K. D.; Keoshkerian, H.; Klinger, J. A.; Loebinger, F. K.; Marsden, S. P.; Masik, J.; Neep, T. J.; Oh, A.; Ospanov, R.; Pater, J. R.; Peters, R. F. Y.; Pilkington, A. D.; Price, D.; Qin, Y.; Queitsch-Maitland, M.; Robinson, J. E. M.; Schwanenberger, C.; Schweiger, H.; Shaw, S. M.; Thompson, R. J.; Tomlinson, L.; Watts, S.; Webb, S.; Woudstra, M. J.; Wyatt, T. R.] Univ Manchester, Sch Phys & Astron, Manchester, Lancs, England. [Aad, G.; Alio, L.; Barbero, M.; Coadou, Y.; Diaconu, C.; Diglio, S.; Djama, F.; Ducu, O. A.; Feligioni, L.; Gao, J.; Hallewell, G. D.; Hubaut, F.; Kahn, S. J.; Knoops, E. B. F. G.; Le Guirriec, E.; Liu, J.; Liu, K.; Madaffari, D.; Mochizuki, K.; Monnier, E.; Muanza, S.; Nagai, Y.; Nagy, E.; Pralavorio, P.; Rozanov, A.; Serre, T.; Talby, M.; Torres, R. E. Ticse; Tiouchichine, E.; Tisserant, S.; Toth, J.; Touchard, F.; Vacavant, L.] Aix Marseille Univ, CPPM, Marseille, France. [Aad, G.; Alio, L.; Barbero, M.; Coadou, Y.; Diaconu, C.; Diglio, S.; Djama, F.; Ducu, O. A.; Feligioni, L.; Gao, J.; Hallewell, G. D.; Hubaut, F.; Kahn, S. J.; Knoops, E. B. F. G.; Le Guirriec, E.; Liu, J.; Liu, K.; Madaffari, D.; Mochizuki, K.; Monnier, E.; Muanza, S.; Nagai, Y.; Nagy, E.; Pralavorio, P.; Rozanov, A.; Serre, T.; Talby, M.; Torres, R. E. Ticse; Tiouchichine, E.; Tisserant, S.; Toth, J.; Touchard, F.; Vacavant, L.] CNRS, IN2P3, Marseille, France. [Bellomo, M.; Bernard, N. R.; Brau, B.; Dallapiccola, C.; Daya-Ishmukhametova, R. K.; Moyse, E. J. W.; Pais, P.; Pueschel, E.; Ventura, D.; Willocq, S.] Univ Massachusetts, Dept Phys, Amherst, MA 01003 USA. [Belanger-Champagne, C.; Chapleau, B.; Chuinard, A. J.; Corriveau, F.; Keyes, R. A.; Mantifel, R.; Prince, S.; Robertson, S. H.; Robichaud-Veronneau, A.; Stockton, M. C.; Stoebe, M.; Vachon, B.; Schroeder, T. Vazquez; Wang, K.; Warburton, A.] McGill Univ, Dept Phys, Montreal, PQ, Canada. [Barberio, E. L.; Brennan, A. J.; Dawe, E.; Jennens, D.; Kubota, T.; Milesi, M.; Hanninger, G. Nunes; Nuti, F.; Rados, P.; Spiller, L. A.; Tan, K. G.; Taylor, G. N.; Urquijo, P.; Volpi, M.; Zanzi, D.] Univ Melbourne, Sch Phys, Melbourne, Vic, Australia. [Amidei, D.; Chelstowska, M. A.; Cheng, H. C.; Dai, T.; Diehl, E. B.; Edgar, R. C.; Feng, H.; Ferretti, C.; Fleischmann, P.; Goldfarb, S.; Hu, X.; Levin, D.; Long, J. D.; Lu, N.; Mc Kee, S. P.; McCarn, A.; Neal, H. A.; Qian, J.; Schwarz, T. A.; Searcy, J.; Sekhon, K.; Thun, R. P.; Wilson, A.; Wu, Y.; Xu, L.; Yu, J. M.; Zhang, D.; Zhou, B.; Zhu, J.] Univ Michigan, Dept Phys, Ann Arbor, MI 48109 USA. [Abolins, M.; Arabidze, G.; Brock, R.; Chegwidden, A.; Fisher, W. C.; Halladjian, G.; Hauser, R.; Hayden, D.; Huston, J.; Linnemann, J. T.; Martin, B.; Pope, B. G.; Schoenrock, B. D.; Schwienhorst, R.; Ta, D.; Tollefson, K.; True, P.; Willis, C.] Michigan State Univ, Dept Phys & Astron, E Lansing, MI 48824 USA. [Alimonti, G.; Andreazza, A.; Besanaa, M. I.; Carminati, L.; Cavalli, D.; Consonni, S. M.; Costa, G.; Fanti, M.; Giugni, D.; Lari, T.; Mandelli, L.; Mazza, S. M.; Meroni, C.; Perini, L.; Pizio, C.; Ragusa, F.; Resconi, S.; Shojaii, S.; Simoniello, R.; Tartarelli, G. F.; Troncon, C.; Turra, R.; Perez, M. Villaplana] Ist Nazl Fis Nucl, Sez Milano, Milan, Italy. [Andreazza, A.; Carminati, L.; Consonni, S. M.; Fanti, M.; Mazza, S. M.; Perini, L.; Pizio, C.; Ragusa, F.; Shojaii, S.; Simoniello, R.; Turra, R.; Perez, M. Villaplana] Univ Milan, Dipartimento Fis, Milan, Italy. [Harkusha, S.; Kulchitsky, Y.; Kurochkin, Y. A.; Tsiareshka, P. V.] Natl Acad Sci Belarus, BI Stepanov Phys Inst, Minsk, Byelarus. [Hrynevich, A.] Natl Sci & Educ Ctr Particle & High Energy Phys, Minsk, Byelarus. [Taylor, F. E.] MIT, Dept Phys, Cambridge, MA 02139 USA. [Arguin, J-F.; Azuelos, G.; Dallaire, F.; Gauthier, L.; Leroy, C.; Rezvani, R.; Saadi, D. Shoaleh; Soueid, P.] Univ Montreal, Grp Particle Phys, Montreal, PQ, Canada. [Gavrilenko, I. L.; Komar, A. A.; Mashinistov, R.; Mouraviev, S. V.; Nechaeva, P. Yu.; Shmeleva, A.; Snesarev, A. A.; Sulin, V. V.; Tikhomirov, V. O.; Zhukov, K.] Russian Acad Sci, PN Lebedev Phys Inst, Moscow, Russia. [Artamonov, A.; Gorbounov, P. A.; Khovanskiy, V.; Shatalov, P. B.; Tsukerman, I. I.] ITEP, Moscow, Russia. [Antonov, A.; Belotskiy, K.; Bulekov, O.; Dolgoshein, B. A.; Kantserov, V. A.; Krasnopevtsev, D.; Romaniouk, A.; Shulga, E.; Smirnov, S. Yu.; Smirnov, Y.; Soldatov, E. Yu.; Tikhomirov, V. O.; Timoshenko, S.; Vorobev, K.] Natl Res Nucl Univ MEPhI, Moscow, Russia. [Boldyrev, A. S.; Gladilin, L. K.; Kramarenko, V. A.; Maevskiy, A.; Rud, V. I.; Sivoklokov, S. Yu.; Smirnova, L. N.; Turchikhin, S.] Moscow MV Lomonosov State Univ, DV Skobeltsyn Inst Nucl Phys, Moscow, Russia. [Adomeit, S.; Becker, S.; Bender, M.; Biebel, O.; Bock, C.; Bortfeldt, J.; Calfayan, P.; Chow, B. K. B.; Duckeck, G.; Elmsheuser, J.; Hertenberger, R.; Hoenig, F.; Legger, F.; Lorenz, J.; Loesel, P. J.; Maier, T.; Mann, A.; Mehlhase, S.; Meineck, C.; Mitrevski, J.; Mueller, R. S. P.; Nunnemann, T.; Rauscher, F.; Ruschke, A.; Sanders, M. P.; Schaile, D.; Unverdorben, C.; Vladoiu, D.; Walker, R.; Wittkowski, J.] Univ Munich, Fak Phys, Munich, Germany. [Barillari, T.; Bethke, S.; Bronner, J.; Compostella, G.; Cortiana, G.; Ecker, K. M.; Flowerdew, M. J.; Goblirsch-Kolb, M.; Ince, T.; Kiryunin, A. E.; Kluth, S.; Kortner, O.; Kortner, S.; Kroha, H.; Macchiolo, A.; Maier, A. A.; Manfredini, A.; Menke, S.; Mueller, F.; Nagel, M.; Nisius, R.; Nowak, S.; Oberlack, H.; Pahl, C.; Richter, R.; Salihagic, D.; Sandstroem, R.; Schacht, P.; Schwegler, Ph.; Sforza, F.; Spettel, F.; Stern, S.; Stonjek, S.; Terzo, S.; von der Schmitt, H.; Wildauer, A.] Max Planck Inst Phys & Astrophys, Werner Heisenberg Inst Phys, POB 401212, Munich, Germany. [Shimojima, M.] Nagasaki Inst Appl Sci, Nagasaki, Japan. [Hasegawa, S.; Horii, Y.; Morvaj, L.; Tomoto, M.; Wakabayashi, J.; Yamauchi, K.] Nagoya Univ, Grad Sch Sci, Nagoya, Aichi 4648601, Japan. [Hasegawa, S.; Horii, Y.; Morvaj, L.; Tomoto, M.; Wakabayashi, J.; Yamauchi, K.] Nagoya Univ, Kobayashi Maskawa Inst, Nagoya, Aichi 4648601, Japan. [Aloisio, A.; Alviggi, M. G.; Canale, V.; Carlino, G.; Conventi, F.; de Asmundisa, R.; Della Pietra, M.; Di Donato, C.; Doria, A.; Izzo, V.; Merola, L.; Perrella, S.; Rossi, E.; Sanchez, A.; Sekhniaidze, G.; Zurzolo, G.] Ist Nazl Fis Nucl, Sez Napoli, I-80125 Naples, Italy. [Aloisio, A.; Alviggi, M. G.; Canale, V.; Di Donato, C.; Merola, L.; Perrella, S.; Rossi, E.; Sanchez, A.; Zurzolo, G.] Univ Naples Federico II, Dipartimento Fis, Naples, Italy. [Gorelov, I.; Hoeferkamp, M. R.; Seidel, S. C.; Toms, K.] Univ New Mexico, Dept Phys & Astron, Albuquerque, NM 87131 USA. [Besjes, G. J.; Caron, S.; Croft, V.; De Groot, N.; Filthaut, F.; Galea, C.; Konig, A. C.; Nektarijevic, S.; Salvucci, A.; Strubig, A.] Radboud Univ Nijmegen Nikhef, Inst Math Astrophys & Particle Phys, Nijmegen, Netherlands. [Aben, R.; Angelozzi, I.; Beemster, L. J.; Bentvelsen, S.; Berge, D.; Bobbink, G. J.; Bos, K.; Brenner, L.; Butti, P.; Castelli, A.; Colijn, A. P.; de Jong, P.; De Nooij, L.; Deigaard, I.; Deluca, C.; Ferrari, P.; Gadatsch, S.; Geerts, D. A. A.; Hartjes, F.; Hessey, N. P.; Hod, N.; Igonkina, O.; Karastathis, N.; Kluit, P.; Koffeman, E.; Linde, F.; Mahlstedt, J.; Meyer, J.; Oussoren, K. P.; Sabato, G.; Salek, D.; Slawinska, M.; Valencic, N.; Van den Wollenberg, W.; Van der Deijl, P. C.; van der Geer, R.; van der Graaf, H.; Van der Leeuw, R.; van Vulpen, I.; Verkerke, W.; Vermeulen, J. C.; Vreeswijk, M.; Weits, H.; Williams, S.] Nikhef Natl Inst Subat Phys, Amsterdam, Netherlands. [Aben, R.; Angelozzi, I.; Beemster, L. J.; Bentvelsen, S.; Berge, D.; Bobbink, G. J.; Bos, K.; Brenner, L.; Butti, P.; Castelli, A.; Colijn, A. P.; de Jong, P.; De Nooij, L.; Deigaard, I.; Deluca, C.; Ferrari, P.; Gadatsch, S.; Geerts, D. A. A.; Hartjes, F.; Hessey, N. P.; Hod, N.; Igonkina, O.; Karastathis, N.; Kluit, P.; Koffeman, E.; Linde, F.; Mahlstedt, J.; Meyer, J.; Oussoren, K. P.; Sabato, G.; Salek, D.; Slawinska, M.; Valencic, N.; Van den Wollenberg, W.; Van der Deijl, P. C.; van der Geer, R.; van der Graaf, H.; Van der Leeuw, R.; van Vulpen, I.; Verkerke, W.; Vermeulen, J. C.; Vreeswijk, M.; Weits, H.; Williams, S.] Univ Amsterdam, Amsterdam, Netherlands. [Adelman, J.; Burghgrave, B.; Chakraborty, D.; Cole, S.; Maximov, D. A.; Suhr, C.; Yurkewicz, A.] No Illinois Univ, Dept Phys, De Kalb, IL 60115 USA. [Anisenkov, A. V.; Bobrovnikov, V. S.; Bogdanchikov, A. G.; Buzykaev, A. R.; Kazanin, V. F.; Kharlamov, A. G.; Korol, A. A.; Malyshev, V. M.; Maslennikov, A. L.; Peleganchuk, S. V.; Rezanova, O. L.; Soukharev, A. M.; Talyshev, A. A.; Tikhonov, Yu. A.] SB RAS, Budker Inst Nucl Phys, Novosibirsk, Russia. [Bernius, C.; Cranmer, K.; Haas, A.; Heinrich, L.; van Huysduynen, L. Hooft; Kaplan, B.; Karthik, K.; Konoplich, R.; Kreiss, S.; Mincer, A. I.; Nemethy, P.; Neves, R. M.] NYU, Dept Phys, New York, NY USA. [Beacham, J. B.; Gan, K. K.; Ishmukhametov, R.; Kagan, H.; Kass, R. D.; Looper, K. A.; Moss, J.; Nagarkar, A.; Pignotti, D. T.; Shrestha, S.; Tannenwald, B. B.] Ohio State Univ, Columbus, OH 43210 USA. [Nakano, I.] Okayama Univ, Fac Sci, Okayama 700, Japan. [Abbott, B.; Alhroob, M.; Bertsche, C.; Bertsche, D.; Gutierrez, P.; Hasib, A.; Norberg, S.; Pearson, B.; Saleem, M.; Severini, H.; Skubic, P.; Strauss, M.] Univ Oklahoma, Homer L Dodge Dept Phys & Astron, Norman, OK 73019 USA. [Bousson, N.; Haley, J.; Khanov, A.; Rizatdinova, F.; Sidorov, D.; Yu, J.] Oklahoma State Univ, Dept Phys, Stillwater, OK 74078 USA. [Chytka, L.; Hamal, P.; Hrabovsky, M.; Kvita, J.; Nozka, L.] Palacky Univ, RCPTM, CR-77147 Olomouc, Czech Republic. [Brau, J. E.; Brost, E.; Hopkins, W. H.; Majewski, S.; Potter, C. T.; Ptacek, E.; Radloff, P.; Shamim, M.; Sinev, N. B.; Strom, D. M.; Torrence, E.; Wanotayaroj, C.; Winklmeier, F.] Univ Oregon, Ctr High Energy Phys, Eugene, OR 97403 USA. [Ayoub, M. K.; Bassalat, A.; Becot, C.; Binet, S.; Bourdarios, C.; De Regie, J. B. De Vivie; Delgove, D.; Duflot, L.; Escalier, M.; Fayard, L.; Fournier, D.; Gkougkousis, E. L.; Grivaz, J. -F.; Guillemin, T.; Hariri, F.; Henrot-Versille, S.; Hrivnac, J.; Iconomidou-Fayard, L.; Kado, M.; Li, Y.; Lounis, A.; Makovec, N.; Morange, N.; Nellist, C.; Poggioli, L.; Puzo, P.; Renaud, A.; Rousseau, D.; Rybkin, G.; Schaffer, A. C.; Scifo, E.; Serin, L.; Simion, S.; Tanaka, R.; Zerwas, D.; Zhang, Z.; Zhao, Y.] Univ Paris 11, LAL, Orsay, France. [Ayoub, M. K.; Bassalat, A.; Becot, C.; Binet, S.; Bourdarios, C.; De Regie, J. B. De Vivie; Delgove, D.; Duflot, L.; Escalier, M.; Fayard, L.; Fournier, D.; Gkougkousis, E. L.; Grivaz, J. -F.; Guillemin, T.; Hariri, F.; Henrot-Versille, S.; Hrivnac, J.; Iconomidou-Fayard, L.; Kado, M.; Li, Y.; Lounis, A.; Makovec, N.; Morange, N.; Nellist, C.; Poggioli, L.; Puzo, P.; Renaud, A.; Rousseau, D.; Rybkin, G.; Schaffer, A. C.; Scifo, E.; Serin, L.; Simion, S.; Tanaka, R.; Zerwas, D.; Zhang, Z.; Zhao, Y.] CNRS, IN2P3, Orsay, France. [Endo, M.; Hanagaki, K.; Nomachi, M.; Okamura, W.; Sugaya, Y.; Teoh, J. J.; Yamaguchi, Y.] Osaka Univ, Grad Sch Sci, Osaka, Japan. [Bugge, L.; Bugge, M. K.; Cameron, D.; Catmore, J. R.; Franconi, L.; Garonne, V.; Gjelsten, B. K.; Gramstad, E.; Morisbak, V.; Nilsen, J. K.; Ould-Saada, F.; Pajchel, K.; Pedersen, M.; Raddum, S.; Read, A. L.; Rohne, O.; Sandaker, H.; Stapnes, S.; Strandlie, A.] Univ Oslo, Dept Phys, Oslo, Norway. [Barr, A. J.; Becker, K.; Behr, J. K.; Beresford, L.; Cooper-Sarkar, A. M.; Ortuzar, M. Crispin; Dafinca, A.; Davies, E.; Frost, J. A.; Gallas, E. J.; Gupta, S.; Gwenlan, C.; Hall, D.; Hays, C. P.; Henderson, J.; Howard, J.; Huffman, T. B.; Issever, C.; Kalderon, C. W.; King, R. S. B.; Kogan, L. A.; Lewis, A.; Nagai, K.; Nickerson, R. B.; Pickering, M. A.; Ryder, N. C.; Sawyer, C.; Tseng, J. C-L.; Viehhauser, G. H. A.; Weidberg, A. R.; Zhong, J.] Univ Oxford, Dept Phys, Oxford, England. [Conta, C.; Dondero, P.; Ferrari, R.; Fraternali, M.; Gaudio, G.; Livan, M.; Negri, A.; Polesello, G.; Rebuzzi, D. M.; Rimoldi, A.; Vercesi, V.] Ist Nazl Fis Nucl, Sez Pavia, I-27100 Pavia, Italy. [Conta, C.; Dondero, P.; Fraternali, M.; Livan, M.; Negri, A.; Rebuzzi, D. M.; Rimoldi, A.] Univ Pavia, Dipartimento Fis, Via Palestro 3, I-27100 Pavia, Italy. [Brendlinger, K.; Heim, S.; Hines, E.; Jackson, B.; Kroll, J.; Lipeles, E.; Miguens, J. Machado; Meyer, C.; Stahlman, J.; Thomson, E.; Tuna, A. N.; Vanguri, R.; Williams, H. H.; Yoshihara, K.] Univ Penn, Dept Phys, Philadelphia, PA 19104 USA. [Basalaev, A.; Ezhilov, A.; Fedin, O. L.; Gratchev, V.; Levchenko, M.; Maleev, V. P.; Ryabov, Y. F.; Schegelsky, V. A.; Sedykh, E.; Seliverstov, D. M.; Solovyev, V.] Petersburg Nucl Phys Inst, Natl Res Ctr Kurchatov Inst BP Konstantinov, St Petersburg, Russia. [Annovi, A.; Beccherle, R.; Bertolucci, F.; Cavasinni, V.; Del Prete, T.; Dell'Orso, M.; Donati, S.; Giannetti, P.; Leone, S.; Roda, C.; Scuri, F.; Sotiropoulou, C. L.; Spalla, M.; Volpi, G.; White, S.] Ist Nazl Fis Nucl, Sez Pisa, Pisa, Italy. [Annovi, A.; Beccherle, R.; Bertolucci, F.; Cavasinni, V.; Del Prete, T.; Dell'Orso, M.; Donati, S.; Giannetti, P.; Leone, S.; Roda, C.; Scuri, F.; Sotiropoulou, C. L.; Spalla, M.; Volpi, G.; White, S.] Univ Pisa, Dipartimento Fis E Fermi, Pisa, Italy. [Bianchi, R. M.; Boudreau, J.; Cleland, W.; Escobar, C.; Hong, T. M.; Mueller, J.; Sapp, K.; Su, J.] Univ Pittsburgh, Dept Phys & Astron, Pittsburgh, PA 15260 USA. [Aguilar-Saavedra, J. A.; Dos Santos, S. P. Amor; Amorim, A.; Araque, J. P.; Cantrill, R.; Carvalho, J.; Castro, N. F.; Muino, P. Conde; De Sousa, M. J. Da Cunha Sargedas; Fiolhais, M. C. N.; Galhardo, B.; Gomes, A.; Goncalo, R.; Jorge, P. M.; Lopes, L.; Maio, A.; Maneira, J.; Onofre, A.; Palma, A.; Pedro, R.; Pina, J.; Pinto, B.; Santos, H.; Saraiva, J. G.; Silva, J.; Delgado, A. Tavares; Veloso, F.; Wolters, H.] Lab Instrumentacao & Fis Expt Particulas LIP, Lisbon, Portugal. [Amorim, A.; Muino, P. Conde; De Sousa, M. J. Da Cunha Sargedas; Gomes, A.; Jorge, P. M.; Miguens, J. Machado; Maio, A.; Maneira, J.; Palma, A.; Pedro, R.; Pina, J.; Delgado, A. Tavares; Wolters, H.] Univ Nova Lisboa, Fac Ciencias, P-1200 Lisbon, Portugal. [Dos Santos, S. P. Amor; Carvalho, J.; Fiolhais, M. C. N.; Galhardo, B.; Veloso, F.] Univ Coimbra, Dept Phys, Coimbra, Portugal. [Gomes, A.; Maio, A.; Pina, J.; Saraiva, J. G.; Silva, J.] Univ Nova Lisboa, Ctr Fis Nucl, P-1200 Lisbon, Portugal. [Onofre, A.] Univ Minho, Dept Fis, Braga, Portugal. [Aguilar-Saavedra, J. A.] Univ Granada, Dept Fis Teor Cosmos & CAFPE, Granada, Spain. Univ Nova Lisboa, Fac Ciencias & Tecnol, Dep Fis & CEFITEC, Caparica, Portugal. [Chudoba, J.; Havranek, M.; Hejbal, J.; Jakoubek, T.; Kepka, O.; Kupco, A.; Kus, V.; Lokajicek, M.; Lysak, R.; Marcisovsky, M.; Mikestikova, M.; Nemecek, S.; Sicho, P.; Staroba, P.; Svatos, M.; Tasevsky, M.; Vrba, V.] Acad Sci Czech Republic, Inst Phys, Prague, Czech Republic. [Augsten, K.; Caforio, D.; Gallus, P.; Guenther, J.; Jakubek, J.; Kohout, Z.; Myska, M.; Pospisil, S.; Seifert, F.; Simak, V.; Slavicek, T.; Smolek, K.; Solar, M.; Solc, J.; Sopczak, A.; Sopko, B.; Sopko, V.; Suk, M.; Turecek, D.; Vacek, V.; Vlasak, M.; Vokac, P.; Vykydal, Z.; Zeman, M.] Czech Tech Univ, CR-16635 Prague, Czech Republic. [Balek, P.; Berta, P.; Cerny, K.; Chalupkova, I.; Davidek, T.; Dolejsi, J.; Dolezal, Z.; Faltova, J.; Kodys, P.; Kosek, T.; Leitner, R.; Pleskot, V.; Reznicek, P.; Scheirich, D.; Spousta, M.; Sykora, T.; Tas, P.; Todorova-Nova, S.; Valkar, S.; Vorobel, V.] Charles Univ Prague, Fac Math & Phys, Prague, Czech Republic. [Borisov, A.; Cheremushkina, E.; Denisov, S. P.; Fakhrutdinov, R. M.; Fenyuk, A. B.; Golubkov, D.; Kamenshchikov, A.; Karyukhin, A. N.; Kozhin, A. S.; Minaenko, A. A.; Myagkov, A. G.; Nikolaenko, V.; Solodkov, A. A.; Solovyanov, O. V.; Starchenko, E. A.; Zaitsev, A. M.; Zenin, O.] Inst High Energy Phys, State Res Ctr, Protvino, Russia. [Adye, T.; Baines, J. T.; Barnett, B. M.; Burke, S.; Dewhurst, A.; Dopke, J.; Emeliyanov, D.; Gallop, B. J.; Gee, C. N. P.; Haywood, S. J.; Kirk, J.; Martin-Haugh, S.; McCubbin, N. A.; McMahon, S. J.; Middleton, R. P.; Murray, W. J.; Phillips, P. W.; Sankey, D. P. C.; Tyndel, M.; Wickens, F. J.; Wielers, M.] Rutherford Appleton Lab, Particle Phys Dept, Didcot, Oxon, England. [Anulli, F.; Bagiacchi, P.; Bagnaia, P.; Bauce, M.; Bini, C.; Ciapetti, G.; De Pedis, D.; De Salvo, A.; Di Domenico, A.; Falciano, S.; Gabrielli, A.; Gauzzi, P.; Gentile, S.; Giagu, S.; Kuna, M.; Lacava, F.; Luci, C.; Luminari, L.; Marzano, F.; Messina, A.; Monzani, S.; Nisatia, A.; Pasqualucci, E.; Petrolo, E.; Pontecorvoa, L.; Rescigno, M.; Rosati, S.; Tehrani, F. Safai; Vanadia, M.; Varia, R.; Veneziano, S.; Verducci, M.; Zanello, L.] Ist Nazl Fis Nucl, Sez Roma, Rome, Italy. [Bagiacchi, P.; Bagnaia, P.; Bauce, M.; Bini, C.; Ciapetti, G.; Di Domenico, A.; Gabrielli, A.; Gauzzi, P.; Gentile, S.; Giagu, S.; Kuna, M.; Lacava, F.; Luci, C.; Messina, A.; Monzani, S.; Vanadia, M.; Verducci, M.; Zanello, L.] Univ Roma La Sapienza, Dipartimento Fis, Piazzale Aldo Moro 5, I-00185 Rome, Italy. [Aielli, G.; Camarri, P.; Cardarelli, R.; Di Ciaccio, A.; Iuppa, R.; Liberti, B.; Mazzaferro, L.; Salamon, A.; Santonico, R.] Ist Nazl Fis Nucl, Sez Roma Tor Vergata, Rome, Italy. [Aielli, G.; Camarri, P.; Di Ciaccio, A.; Iuppa, R.; Mazzaferro, L.; Santonico, R.] Univ Roma Tor Vergata, Dipartimento Fis, Via E Carnevale, I-00173 Rome, Italy. [Bacci, C.; Baroncelli, A.; Biglietti, M.; Ceradini, F.; Di Micco, B.; Farilla, A.; Graziani, E.; Iodice, M.; Orestano, D.; Pastore, F.; Petrucci, F.; Puddu, D.; Salamanna, G.; Sessa, M.; Stanescu, C.; Taccini, C.; Trovatelli, M.] Ist Nazl Fis Nucl, Sez Roma Tre, Rome, Italy. [Bacci, C.; Ceradini, F.; Di Micco, B.; Orestano, D.; Pastore, F.; Petrucci, F.; Puddu, D.; Salamanna, G.; Sessa, M.; Taccini, C.; Trovatelli, M.] Univ Rome Tre, Dipartimento Matemat & Fis, I-00146 Rome, Italy. [Benchekroun, D.; Chafaq, A.; Hoummada, A.] Univ Hassan 2, Reseau Univ Phys Hautes Energies, Fac Sci Ain Chock, Casablanca, Morocco. [Ghazlane, H.] Ctr Natl Energie Sci Tech Nucl, Rabat, Morocco. [El Kacimi, M.; Goujdami, D.] Univ Cadi Ayyad, LPHEA Marrakech, Fac Sci Semlalia, Marrakech, Morocco. [Derkaoui, J. E.; Ouchrif, M.; Tayalati, Y.] Univ Mohamed Premier, Fac Sci, Oujda, Morocco. [Derkaoui, J. E.; Ouchrif, M.; Tayalati, Y.] LPTPM, Oujda, Morocco. [El Mourslie, R. Cherkaoui; Fassi, F.; Haddad, N.; Idrissi, Z.] Univ Mohammed V Agdal, Fac Sci, Rabat, Morocco. [Bachacou, H.; Bauer, F.; Besson, N.; Blanchard, J. -B.; Boonekamp, M.; Calandri, A.; Chevalier, L.; Hoffmann, M. Dano; Deliot, F.; Etienvre, A. I.; Formica, A.; Giraud, P. F.; Da Costa, J. Goncalves Pinto Firmino; Guyot, C.; Hanna, R.; Hassani, S.; Kivernyk, O.; Kozanecki, W.; Lancon, E.; Laporte, J. F.; Maiani, C.; Mansoulie, B.; Meyer, J-P.; Nicolaidou, R.; Ouraou, A.; Protopapadaki, E.; Royon, C. R.; Saimpert, M.; Schoeffel, L.; Schune, Ph.; Schwemling, Ph.; Schwindling, J.] CEA Saclay, Commissariat Energie Atom & Energies Alternat, DSM IRFU, Inst Rech Lois Fondament Univ, Gif Sur Yvette, France. [Battaglia, M.; Debenedetti, C.; Grabas, H. M. X.; Grillo, A. A.; Kuhl, A.; Law, A. T.; Liang, Z.; Litke, A. M.; Lockman, W. S.; Manning, P. M.; Nielsen, J.; Reece, R.; Rose, P.; Sadrozinski, H. F-W.; Schumm, B. A.; Seiden, A.] Univ Calif Santa Cruz, Santa Cruz Inst Particle Phys, Santa Cruz, CA 95064 USA. [Blackburn, D.; Coccaro, A.; Goussiou, A. G.; Hsu, S. -C.; Lubatti, H. J.; Marx, M.; Rompotis, N.; Rosten, R.; Rothberg, J.; Russell, H. L.; De Bruin, P. H. Sales; Watts, G.] Univ Washington, Dept Phys, Seattle, WA 98195 USA. [Anastopoulos, C.; Costanzo, D.; Donszelmann, T. Cuhadar; Dawson, I.; Fletcher, G. T.; Hodgkinson, M. C.; Hodgson, P.; Johansson, P.; Korolkova, E. V.; Kyriazopoulos, D.; Paredes, B. Lopez; Macdonald, C. M.; Miyagawa, P. S.; Paganis, E.; Parker, K. A.; Tovey, D. R.; Vickey, T.; Boeriu, O. E. Vickey] Univ Sheffield, Dept Phys & Astron, Sheffield, S Yorkshire, England. [Hasegawa, Y.; Takeshita, T.] Shinshu Univ, Dept Phys, Nagano, Japan. [Atlay, N. B.; Buchholz, P.; Czirr, H.; Fleck, I.; Gaur, B.; Ibragimov, I.; Ikematsu, K.; Rosenthal, O.; Walkowiak, W.; Ziolkowski, M.] Univ Siegen, Fachbereich Phys, D-57068 Siegen, Germany. [Buat, Q.; Horton, A. J.; O'Neil, D. C.; Pachal, K.; Stelzer, B.; Torres, H.; Van Nieuwkoop, J.; Vetterli, M. C.] Simon Fraser Univ, Dept Phys, Burnaby, BC V5A 1S6, Canada. [Barklow, T.; Bartoldus, R.; Bawa, H. S.; Black, J. E.; Cogan, J. G.; Fulsom, B. G.; Gao, Y. S.; Garelli, N.; Grenier, P.; Ilic, N.; Kagan, M.; Kocian, M.; Koi, T.; Malone, C.; Mount, R.; Nef, P. D.; Piacquadio, G.; Rubbo, F.; Salnikov, A.; Schwartzman, A.; Strauss, E.; Su, D.; Swiatlowski, M.; Tompkins, L.; Wittgen, M.; Young, C.] SLAC Natl Accelerator Lab, Stanford, CA USA. [Astalos, R.; Bartos, P.; Blazek, T.; Federic, P.; Plazak, L.; Stavina, P.; Sykora, I.; Tokar, S.; Zenis, T.] Comenius Univ, Fac Math Phys & Informat, Bratislava, Slovakia. [Antos, J.; Bruncko, D.; Kladiva, E.; Strizenec, P.; Urban, J.] Slovak Acad Sci, Inst Expt Phys, Dept Subnucl Phys, Kosice 04353, Slovakia. [Hamilton, A.; Meehan, S.] Univ Cape Town, Dept Phys, ZA-7925 Cape Town, South Africa. [Aurousseau, M.; Castaneda-Miranda, E.; Connell, S. H.; Govender, N.; Lee, C. A.; Yacoob, S.] Univ Johannesburg, Dept Phys, Johannesburg, South Africa. [Bristow, K.; Hamity, G. N.; Hsu, C.; March, L.; Garcia, B. R. Mellado; Ruan, X.] Univ Witwatersrand, Sch Phys, Johannesburg, South Africa. [Abulaiti, Y.; Akerstedt, H.; Asman, B.; Bendtz, K.; Bertoli, G.; Bylund, O. Bessidskaia; Bohm, C.; Clement, C.; Cribbs, W. A.; Hellman, S.; Jon-And, K.; Khandanyan, H.; Kim, H.; Klimek, P.; Lundberg, O.; Milstead, D. A.; Moa, T.; Molander, S.; Pani, P.; Petridis, A.; Plucinski, P.; Rossetti, V.; Shcherbakova, A.; Silverstein, S. B.; Sjolin, J.; Strandberg, S.; Tylmad, M.; Ughetto, M.] Stockholm Univ, Dept Phys, S-10691 Stockholm, Sweden. [Abulaiti, Y.; Akerstedt, H.; Asman, B.; Bendtz, K.; Bertoli, G.; Bylund, O. Bessidskaia; Clement, C.; Cribbs, W. A.; Hellman, S.; Jon-And, K.; Khandanyan, H.; Kim, H.; Klimek, P.; Lundberg, O.; Milstead, D. A.; Moa, T.; Molander, S.; Pani, P.; Petridis, A.; Plucinski, P.; Rossetti, V.; Shcherbakova, A.; Sjolin, J.; Strandberg, S.; Tylmad, M.; Ughetto, M.] Oskar Klein Ctr, Stockholm, Sweden. [Lund-Jensen, B.; Morley, A. K.; Strandberg, J.] Royal Inst Technol, Dept Phys, S-10044 Stockholm, Sweden. [Balestri, T.; Bee, C. P.; Campoverde, A.; Chen, K.; Grassi, V.; Hobbs, J.; Jia, J.; Li, H.; Lindquist, B. E.; Mastrandrea, P.; McCarthy, R. L.; Puldon, D.; Radhakrishnan, S. K.; Rijssenbeek, M.; Schamberger, R. D.; Tsybychev, D.; Zaman, A.] SUNY Stony Brook, Dept Phys & Astron, Stony Brook, NY 11794 USA. [Balestri, T.; Bee, C. P.; Campoverde, A.; Chen, K.; Grassi, V.; Hobbs, J.; Jia, J.; Li, H.; Lindquist, B. E.; Mastrandrea, P.; McCarthy, R. L.; Puldon, D.; Radhakrishnan, S. K.; Rijssenbeek, M.; Schamberger, R. D.; Tsybychev, D.; Zaman, A.] SUNY Stony Brook, Dept Chem, Stony Brook, NY 11794 USA. [Asquith, L.; Cerri, A.; Barajas, C. A. Chavez; De Sanctis, U.; De Santo, A.; Grout, Z. J.; Potter, C. J.; Salvatore, F.; Castillo, I. Santoyo; Shehu, C. Y.; Suruliz, K.; Sutton, M. R.; Vivarelli, I.] Univ Sussex, Dept Phys & Astron, Brighton, E Sussex, England. [Black, C. W.; Cuthbert, C.; Finelli, K. D.; Jeng, G. -Y.; Limosani, A.; Patel, N. D.; Saavedra, A. F.; Scarcella, M.; Varvell, K. E.; Watson, I. J.; Yabsley, B.] Univ Sydney, Sch Phys, Sydney, NSW 2006, Australia. [Abdallah, J.; Chu, M. L.; Hou, S.; Hsu, P. J.; Jamin, D. O.; Lee, S. C.; Lin, S. C.; Liu, B.; Liu, D.; Lo Sterzo, F.; Mazini, R.; Shi, L.; Soh, D. A.; Teng, P. K.; Wang, S. M.; Yang, Y.] Acad Sinica, Inst Phys, Taipei 115, Taiwan. [Abreu, H.; Cheatham, S.; Di Mattia, A.; Kopeliansky, R.; Musto, E.; Rozen, Y.; Tarem, S.; van Eldik, N.] Technion Israel Inst Technol, Dept Phys, IL-32000 Haifa, Israel. [Abramowicz, H.; Alexander, G.; Amram, N.; Ashkenazi, A.; Bella, G.; Benary, O.; Benhammou, Y.; Davies, M.; Etzion, E.; Gershon, A.; Gueta, O.; Munwes, Y.; Oren, Y.; Silver, Y.; Soffer, A.; Taiblum, N.] Tel Aviv Univ, Raymond & Beverly Sackler Sch Phys & Astron, IL-69978 Tel Aviv, Israel. [Bachas, K.; Gkaitatzis, S.; Gkialas, I.; Iliadis, D.; Kimura, N.; Kordas, K.; Kourkoumeli-Charalampidi, A.; Leisos, A.; Orlando, N.; Papageorgiou, K.; Hernandez, D. Paredes; Petridou, C.; Sampsonidis, D.; Tsionou, D.] Aristotle Univ Thessaloniki, Dept Phys, GR-54006 Thessaloniki, Greece. [Akimoto, G.; Asai, S.; Dohmae, T.; Enari, Y.; Hanawa, K.; Kanaya, N.; Kataoka, Y.; Kawamoto, T.; Kazama, S.; Kobayashi, A.; Kobayashi, T.; Komori, Y.; Mashimo, T.; Masubuchi, T.; Minami, Y.; Ga, M. Morina; Nakamura, T.; Ninomiya, Y.; Okuyama, T.; Sakamoto, H.; Sasaki, Y.; Tanaka, J.; Terashi, K.; Ueda, I.; Yamamoto, S.; Yamanaka, T.] Univ Tokyo, Int Ctr Elementary Particle Phys, Tokyo, Japan. [Akimoto, G.; Asai, S.; Dohmae, T.; Enari, Y.; Hanawa, K.; Kanaya, N.; Kataoka, Y.; Kawamoto, T.; Kazama, S.; Kobayashi, A.; Kobayashi, T.; Komori, Y.; Mashimo, T.; Masubuchi, T.; Minami, Y.; Ga, M. Morina; Nakamura, T.; Ninomiya, Y.; Okuyama, T.; Sakamoto, H.; Sasaki, Y.; Tanaka, J.; Terashi, K.; Ueda, I.; Yamamoto, S.; Yamanaka, T.] Univ Tokyo, Dept Phys, Tokyo, Japan. [Bratzler, U.; Fukunaga, C.] Tokyo Metropolitan Univ, Grad Sch Sci & Technol, Tokyo 158, Japan. [Hirose, M.; Ishitsuka, M.; Jinnouchi, O.; Kobayashi, D.; Kuze, M.; Motohashi, K.; Nagai, R.; Nobe, T.; Pettersson, N. E.] Tokyo Inst Technol, Dept Phys, Oh Okayama, Tokyo 152, Japan. [AbouZeid, O. S.; Batista, S. J.; Chau, C. C.; DeMarco, D. A.; Di Sipio, R.; Diamond, M.; Krieger, P.; Liblong, A.; Mc Goldrick, G.; Orr, R. S.; Polifka, R.; Rudolph, M. S.; Savard, P.; Schramm, S.; Sinervo, P.; Spreitzer, T.; Taenzer, J.; Teuscher, R. J.; Trischuk, W.; Veloce, L. M.; Venturi, N.] Univ Toronto, Dept Phys, Toronto, ON, Canada. [Canepa, A.; Chekulaev, S. V.; Jovicevic, J.; Koutsman, A.; Oram, C. J.; Codina, E. Perez; Schneider, B.; Schouten, D.; Seuster, R.; Stelzer-Chilton, O.; Tafirout, R.; Trigger, I. M.] TRIUMF, 4004 Wesbrook Mall, Vancouver, BC V6T 2A3, Canada. [Garcia, J. A. Benitez; Ramos, J. Manjarres; Palacino, G.; Taylor, W.] York Univ, Dept Phys & Astron, Toronto, ON M3J 2R7, Canada. [Hara, K.; Hayashi, T.; Kim, S. H.; Kiuchi, K.; Nagata, K.; Okawa, H.; Sato, K.; Ukegawa, F.] Univ Tsukuba, Fac Pure & Appl Sci, Tsukuba, Ibaraki, Japan. [Beauchemin, P. H.; Meoni, E.; Rolli, S.; Sliwa, K.; Wetter, J.] Tufts Univ, Dept Phys & Astron, Medford, MA 02155 USA. [Losada, M.; Moreno, D.; Navarro, G.; Sandoval, C.] Univ Antonio Narino, Ctr Invest, Bogota, Colombia. [Basye, A.; Corso-Radu, A.; Gerbaudo, D.; Lankford, A. J.; Mete, A. S.; Nelson, A.; Relich, M.; Scannicchio, D. A.; Schernau, M.; Shimmin, C. O.; Taffard, A.; Unel, G.; Whiteson, D.; Zhou, N.] Univ Calif Irvine, Dept Phys & Astron, Irvine, CA USA. [Acharya, B. S.; Barisonzi, M.; Brazzale, S. F.; Cobal, M.; Giordani, M. P.; Miglioranzi, S.; Pinamonti, M.; Quayle, W. B.; Serkin, L.; Shaw, K.; Soualah, R.; Truong, L.] Ist Nazl Fis Nucl, Grp Collegato Udine, Sez Trieste, Udine, Italy. [Acharya, B. S.; Barisonzi, M.; Quayle, W. B.; Serkin, L.; Shaw, K.] Abdus Salaam Int Ctr Theoret Phys, Trieste, Italy. [Brazzale, S. F.; Cobal, M.; Giordani, M. P.; Miglioranzi, S.; Pinamonti, M.; Soualah, R.; Truong, L.] Univ Udine, Dipartimento Chim Fis Ambiente, I-33100 Udine, Italy. [Atkinson, M.; Basye, A.; Cavaliere, V.; Chang, P.; Errede, S.; Lie, K.; Liss, T. M.; Liu, L.; Neubauer, M. S.; Rybar, M.; Shang, R.; Vichou, I.] Univ Illinois, Dept Phys, 1110 W Green St, Urbana, IL 61801 USA. [Kuutmann, E. Bergeaas; Brenner, R.; Ekelof, T.; Ellert, M.; Ferrari, A.; Isaksson, C.; Madsen, A.; Ohman, H.; Pelikan, D.; Rangel-Smith, C.] Uppsala Univ, Dept Phys & Astron, Uppsala, Sweden. [Alvarez Piqueras, D.; Urban, S. Cabrera; Castillo Gimenez, V.; Costa, M. J.; Fernandez Martinez, P.; Ferrer, A.; Fiorini, L.; Fuster, J.; Garcia, C.; Navarro, J. E. Garcia; de la Hoz, S. Gonzalez; Hernandez Jimenez, Y.; Higon-Rodriguez, E.; Irles Quiles, A.; Pena, J. Jimenez; Kaci, M.; King, M.; Lacasta, C.; Lacuesta, V. R.; Marti-Garcia, S.; Mitsou, V. A.; Moles-Valls, R.; Oliver Garcia, E.; Lopez, S. Pedraza; Adam, E. Romero; Ros, E.; Salt, J.; Sanchez, J.; Sanchez Martinez, V.; Soldevila, U.; Torro Pastor, E.; Valero, A.; Gallego, E. Valladolid; Ferrer, J. A. Valls; Vos, M.] Univ Valencia, Inst Fis Corpuscular IFIC, Valencia, Spain. [Alvarez Piqueras, D.; Urban, S. Cabrera; Castillo Gimenez, V.; Costa, M. J.; Fernandez Martinez, P.; Ferrer, A.; Fiorini, L.; Fuster, J.; Garcia, C.; Navarro, J. E. Garcia; de la Hoz, S. Gonzalez; Hernandez Jimenez, Y.; Higon-Rodriguez, E.; Irles Quiles, A.; Pena, J. Jimenez; Kaci, M.; King, M.; Lacasta, C.; Lacuesta, V. R.; Marti-Garcia, S.; Mitsou, V. A.; Moles-Valls, R.; Oliver Garcia, E.; Lopez, S. Pedraza; Adam, E. Romero; Ros, E.; Salt, J.; Sanchez, J.; Sanchez Martinez, V.; Soldevila, U.; Torro Pastor, E.; Valero, A.; Gallego, E. Valladolid; Ferrer, J. A. Valls; Vos, M.] Univ Valencia, Dept Fis Atom Mol & Nucl, Valencia, Spain. [Alvarez Piqueras, D.; Urban, S. Cabrera; Castillo Gimenez, V.; Costa, M. J.; Fernandez Martinez, P.; Ferrer, A.; Fiorini, L.; Fuster, J.; Garcia, C.; Navarro, J. E. Garcia; de la Hoz, S. Gonzalez; Hernandez Jimenez, Y.; Higon-Rodriguez, E.; Irles Quiles, A.; Pena, J. Jimenez; Kaci, M.; King, M.; Lacasta, C.; Lacuesta, V. R.; Marti-Garcia, S.; Mitsou, V. A.; Moles-Valls, R.; Oliver Garcia, E.; Lopez, S. Pedraza; Adam, E. Romero; Ros, E.; Salt, J.; Sanchez, J.; Sanchez Martinez, V.; Soldevila, U.; Torro Pastor, E.; Valero, A.; Gallego, E. Valladolid; Ferrer, J. A. Valls; Vos, M.] Univ Valencia, Dept Ingn Elect, Valencia, Spain. [Alvarez Piqueras, D.; Urban, S. Cabrera; Castillo Gimenez, V.; Costa, M. J.; Fernandez Martinez, P.; Ferrer, A.; Fiorini, L.; Fuster, J.; Garcia, C.; Navarro, J. E. Garcia; de la Hoz, S. Gonzalez; Hernandez Jimenez, Y.; Higon-Rodriguez, E.; Irles Quiles, A.; Pena, J. Jimenez; Kaci, M.; King, M.; Lacasta, C.; Lacuesta, V. R.; Marti-Garcia, S.; Mitsou, V. A.; Moles-Valls, R.; Oliver Garcia, E.; Lopez, S. Pedraza; Adam, E. Romero; Ros, E.; Salt, J.; Sanchez, J.; Sanchez Martinez, V.; Soldevila, U.; Torro Pastor, E.; Valero, A.; Gallego, E. Valladolid; Ferrer, J. A. Valls; Vos, M.] Univ Valencia, Inst Microelect Barcelona IMB CNM, Valencia, Spain. [Alvarez Piqueras, D.; Urban, S. Cabrera; Castillo Gimenez, V.; Costa, M. J.; Fernandez Martinez, P.; Ferrer, A.; Fiorini, L.; Fuster, J.; Garcia, C.; Navarro, J. E. Garcia; de la Hoz, S. Gonzalez; Hernandez Jimenez, Y.; Higon-Rodriguez, E.; Irles Quiles, A.; Pena, J. Jimenez; Kaci, M.; King, M.; Lacasta, C.; Lacuesta, V. R.; Marti-Garcia, S.; Mitsou, V. A.; Moles-Valls, R.; Oliver Garcia, E.; Lopez, S. Pedraza; Adam, E. Romero; Ros, E.; Salt, J.; Sanchez, J.; Sanchez Martinez, V.; Soldevila, U.; Torro Pastor, E.; Valero, A.; Gallego, E. Valladolid; Ferrer, J. A. Valls; Vos, M.] CSIC, Valencia, Spain. [Danninger, M.; Fedorko, W.; Gay, C.; Gecse, Z.; King, S. B.; Lister, A.; Swedish, S.] Univ British Columbia, Dept Phys, Vancouver, BC V5Z 1M9, Canada. [Albert, J.; Berghaus, F.; David, C.; Elliot, A. A.; Fincke-Keeler, M.; Hamano, K.; Hill, E.; Keeler, R.; Kowalewski, R.; Kuwertz, E. S.; Kwan, T.; LeBlanc, M.; Lefebvre, M.; Marino, C. P.; McPherson, R. A.; Ouellette, E. A.; Pearce, J.; Sobie, R.; Venturi, M.] Univ Victoria, Dept Phys & Astron, Victoria, BC, Canada. [Beckingham, M.; Farrington, S. M.; Harrison, P. F.; Janus, M.; Jeske, C.; Jones, G.; Martin, T. A.; Murray, W. J.; Pianori, E.] Univ Warwick, Dept Phys, Coventry CV4 7AL, W Midlands, England. [Iizawa, T.; Mitani, T.; Sakurai, Y.; Yorita, K.] Waseda Univ, Tokyo, Japan. [Bressler, S.; Citron, Z. H.; Duchovni, E.; Gross, E.; Lellouch, D.; Levinson, L. J.; Mikenberg, G.; Milov, A.; Pitt, M.; Roth, I.; Schaarschmidt, J.; Smakhtin, V.] Weizmann Inst Sci, Dept Particle Phys, IL-76100 Rehovot, Israel. [Banerjee, Sw.; Hard, A. S.; Heng, Y.; Ji, H.; Ju, X.; Kashif, L.; Kruse, A.; Ming, Y.; Pan, Y. B.; Wang, F.; Wiedenmann, W.; Wu, S. L.; Yang, H.; Zhang, F.; Zobernig, G.] Univ Wisconsin, Dept Phys, 1150 Univ Ave, Madison, WI 53706 USA. [Kuger, F.; Redelbach, A.; Schreyer, M.; Sidiropoulou, O.; Siragusa, G.; Stroehmer, R.; Tam, J. Y. C.; Trefzger, T.; Weber, S. W.; Zibell, A.] Univ Wurzburg, Fak Phys & Astron, D-97070 Wurzburg, Germany. [Bannoura, A. A. E.; Beermann, T. A.; Braun, H. M.; Cornelissen, T.; Duda, D.; Ernis, G.; Fischer, J.; Fleischmann, S.; Flick, T.; Gabizon, O.; Hamacher, K.; Harenberg, T.; Heim, T.; Hirschbuehl, D.; Kersten, S.; Kohlmann, S.; Maettig, P.; Neumann, M.; Pataraia, S.; Riegel, C. J.; Sandhoff, M.; Tepel, F.; Wagner, W.; Zeitnitz, C.] Berg Univ Wuppertal, Fachbereich C Physik, Wuppertal, Germany. [Baker, O. K.; Cummings, J.; Demers, S.; Garberson, F.; Guest, D.; Henrichs, A.; Ideal, E.; Lagouri, T.; Leister, A. G.; Loginov, A.; Thomsen, L. A.; Tipton, P.; Wang, X.] Yale Univ, Dept Phys, New Haven, CT USA. [Hakobyan, H.; Vardanyan, G.] Yerevan Phys Inst, Yerevan 375036, Armenia. [Rahal, G.] Inst Natl Phys Nucl & Phys Particules IN2P3, Ctr Calcul, Villeurbanne, France. [Acharya, B. S.] Kings Coll London, Dept Phys, London, England. [Huseynov, N.; Javadov, N.] Azerbaijan Acad Sci, Inst Phys, Baku 370143, Azerbaijan. [Anisenkov, A. V.; Bobrovnikov, V. S.; Buzykaev, A. R.; Kazanin, V. F.; Kharlamov, A. G.; Korol, A. A.; Maslennikov, A. L.; Maximov, D. A.; Peleganchuk, S. V.; Rezanova, O. L.; Soukharev, A. M.; Talyshev, A. A.; Tikhonov, Yu. A.] Novosibirsk State Univ, Novosibirsk 630090, Russia. [Azuelos, G.; Gingrich, D. M.; Oakham, F. G.; Savard, P.; Vetterli, M. C.] TRIUMF, 4004 Wesbrook Mall, Vancouver, BC V6T 2A3, Canada. [Bawa, H. S.; Gao, Y. S.] Calif State Univ Fresno, Dept Phys, Fresno, CA 93740 USA. [Beck, H. P.] Univ Fribourg, Dept Phys, CH-1700 Fribourg, Switzerland. [Castro, N. F.] Univ Porto, Fac Ciencias, Dept Fis & Astron, Rua Campo Alegre 823, P-4100 Oporto, Portugal. [Chelkov, G. A.] Tomsk State Univ, Tomsk 634050, Russia. [Chen, L.] Aix Marseille Univ, CPPM, Marseille, France. [Chen, L.] CNRS, IN2P3, Marseille, France. [Conventi, F.; Della Pietra, M.] Univ Napoli Parthenope, Naples, Italy. [Corriveau, F.; McPherson, R. A.; Robertson, S. H.; Sobie, R.; Teuscher, R. J.] IPP, Waterloo, ON, Canada. [Davies, E.] Rutherford Appleton Lab, Particle Phys Dept, Didcot OX11 0QX, Oxon, England. [Fedin, O. L.] St Petersburg State Polytech Univ, Dept Phys, St Petersburg, Russia. [Greenwood, Z. D.; Sawyer, L.] Louisiana Tech Univ, Ruston, LA 71270 USA. [Grinstein, S.; Rozas, A. Juste; Martinez, M.] ICREA, Inst Catalana Recerca & Estudis Avancats, Barcelona, Spain. [Hsu, P. J.] Natl Tsing Hua Univ, Dept Phys, Hsinchu 30013, Taiwan. [Ilchenko, Y.; Onyisi, P. U. E.] Univ Texas Austin, Dept Phys, Austin, TX 78712 USA. [Jejelava, J.] Ilia State Univ, Inst Theoret Phys, Tbilisi, Rep of Georgia. [Jenni, P.] CERN, Geneva, Switzerland. [Khubua, J.] GTU, Tbilisi, Rep of Georgia. [Kono, T.] Ochanomizu Univ, Ochadai Acad Prod, Tokyo 112, Japan. [Konoplich, R.] Manhattan Coll, New York, NY USA. [Leisos, A.] Hellenic Open Univ, Patras, Greece. [Li, B.] Acad Sinica, Inst Phys, Taipei 115, Taiwan. [Lin, S. C.] Acad Sinica, Inst Phys, Acad Sinica Grid Comp, Taipei 115, Taiwan. [Myagkov, A. G.; Nikolaenko, V.; Zaitsev, A. M.] State Univ, Moscow Inst Phys & Technol, Dolgoprudnyi, Russia. [Pinamonti, M.] SISSA, Int Sch Adv Studies, Trieste, Italy. [Purohit, M.] Univ S Carolina, Dept Phys & Astron, Columbia, SC 29208 USA. [Shi, L.; Soh, D. A.] Sun Yat Sen Univ, Sch Phys & Engn, Guangzhou 510275, Guangdong, Peoples R China. [Smirnova, L. N.; Turchikhin, S.] Moscow MV Lomonosov State Univ, Fac Phys, Moscow, Russia. [Tompkins, L.] Stanford Univ, Dept Phys, Stanford, CA 94305 USA. [Toth, J.] Wigner Res Ctr Phys, Inst Particle & Nucl Phys, Budapest, Hungary. [Yacoob, S.] Univ KwaZulu Natal, Discipline Phys, Durban, South Africa. [Yusuff, I.] Univ Malaya, Dept Phys, Kuala Lumpur, Malaysia. RP Aad, G (reprint author), Aix Marseille Univ, CPPM, Marseille, France.; Aad, G (reprint author), CNRS, IN2P3, Marseille, France. RI Mindur, Bartosz/A-2253-2017; Owen, Mark/Q-8268-2016; Gutierrez, Phillip/C-1161-2011; Fabbri, Laura/H-3442-2012; Solodkov, Alexander/B-8623-2017; Zaitsev, Alexandre/B-8989-2017; Peleganchuk, Sergey/J-6722-2014; Yang, Haijun/O-1055-2015; Li, Liang/O-1107-2015; Monzani, Simone/D-6328-2017; Kuday, Sinan/C-8528-2014; Villa, Mauro/C-9883-2009; Guo, Jun/O-5202-2015; Vanadia, Marco/K-5870-2016; Ippolito, Valerio/L-1435-2016; Smirnova, Oxana/A-4401-2013; Maneira, Jose/D-8486-2011; Prokoshin, Fedor/E-2795-2012; Di Domenico, Antonio/G-6301-2011; Staroba, Pavel/G-8850-2014; Gavrilenko, Igor/M-8260-2015; Gauzzi, Paolo/D-2615-2009; Maleev, Victor/R-4140-2016; Camarri, Paolo/M-7979-2015; Vranjes Milosavljevic, Marija/F-9847-2016; Chekulaev, Sergey/O-1145-2015; Zhukov, Konstantin/M-6027-2015; SULIN, VLADIMIR/N-2793-2015; Snesarev, Andrey/H-5090-2013; Boldyrev, Alexey/M-9684-2015; Nechaeva, Polina/N-1148-2015; Mashinistov, Ruslan/M-8356-2015; Fedin, Oleg/H-6753-2016; Vykydal, Zdenek/H-6426-2016; Brooks, William/C-8636-2013; Ventura, Andrea/A-9544-2015; Kantserov, Vadim/M-9761-2015; Warburton, Andreas/N-8028-2013; Boyko, Igor/J-3659-2013; Mitsou, Vasiliki/D-1967-2009; Aguilar Saavedra, Juan Antonio/F-1256-2016; Gladilin, Leonid/B-5226-2011; Livan, Michele/D-7531-2012; Carvalho, Joao/M-4060-2013; White, Ryan/E-2979-2015; Leyton, Michael/G-2214-2016; Jones, Roger/H-5578-2011; Tikhomirov, Vladimir/M-6194-2015; Doyle, Anthony/C-5889-2009 OI Mindur, Bartosz/0000-0002-5511-2611; Owen, Mark/0000-0001-6820-0488; Fabbri, Laura/0000-0002-4002-8353; Solodkov, Alexander/0000-0002-2737-8674; Zaitsev, Alexandre/0000-0002-4961-8368; Peleganchuk, Sergey/0000-0003-0907-7592; Li, Liang/0000-0001-6411-6107; Monzani, Simone/0000-0002-0479-2207; Kuday, Sinan/0000-0002-0116-5494; Villa, Mauro/0000-0002-9181-8048; Guo, Jun/0000-0001-8125-9433; Vanadia, Marco/0000-0003-2684-276X; Ippolito, Valerio/0000-0001-5126-1620; Smirnova, Oxana/0000-0003-2517-531X; Maneira, Jose/0000-0002-3222-2738; Prokoshin, Fedor/0000-0001-6389-5399; Di Domenico, Antonio/0000-0001-8078-2759; Gauzzi, Paolo/0000-0003-4841-5822; Camarri, Paolo/0000-0002-5732-5645; Vranjes Milosavljevic, Marija/0000-0003-4477-9733; SULIN, VLADIMIR/0000-0003-3943-2495; Mashinistov, Ruslan/0000-0001-7925-4676; Vykydal, Zdenek/0000-0003-2329-0672; Brooks, William/0000-0001-6161-3570; Ventura, Andrea/0000-0002-3368-3413; Kantserov, Vadim/0000-0001-8255-416X; Warburton, Andreas/0000-0002-2298-7315; Boyko, Igor/0000-0002-3355-4662; Mitsou, Vasiliki/0000-0002-1533-8886; Aguilar Saavedra, Juan Antonio/0000-0002-5475-8920; Gladilin, Leonid/0000-0001-9422-8636; Livan, Michele/0000-0002-5877-0062; Carvalho, Joao/0000-0002-3015-7821; White, Ryan/0000-0003-3589-5900; Leyton, Michael/0000-0002-0727-8107; Jones, Roger/0000-0002-6427-3513; Tikhomirov, Vladimir/0000-0002-9634-0581; Doyle, Anthony/0000-0001-6322-6195 FU ANPCyT, Argentina; YerPhI, Armenia; ARC, Australia; BMWFW, Austria; FWF, Austria; ANAS, Azerbaijan; SSTC, Belarus; CNPq, Brazil; FAPESP, Brazil; NSERC, Canada; NRC, Canada; CFI, Canada; CERN; CONICYT, Chile; CAS, China; MOST, China; NSFC, China; COLCIENCIAS, Colombia; MSMT CR, Czech Republic; MPO CR, Czech Republic; VSC CR, Czech Republic; DNRF, Denmark; DNSRC, Denmark; Lundbeck Foundation, Denmark; IN2P3-CNRS, France; CEADSM/IRFU, France; GNSF, Georgia; BMBF, Germany; HGF, Germany; MPG, Germany; GSRT, Greece; RGC, China; Hong Kong SAR, China; ISF, Israel; I-CORE, Israel; Benoziyo Center, Israel; INFN, Italy; MEXT, Japan; JSPS, Japan; CNRST, Morocco; FOM, Netherlands; NWO, Netherlands; RCN, Norway; MNiSW, Poland; NCN, Poland; FCT, Portugal; MNE/IFA, Romania; MES of Russia; NRC KI; Russian Federation; JINR; MESTD, Serbia; MSSR, Slovakia; ARRS, Slovenia; MIZS, Slovenia; DST/NRF, South Africa; MINECO, Spain; SRC, Sweden; Wallenberg Foundation, Sweden; SERI, Switzerland; SNSF, Switzerland; Canton of Bern, Switzerland; Canton of Geneva, Switzerland; MOST, Taiwan; TAEK, Turkey; STFC, United Kingdom; DOE, United States of America; NSF, United States of America; BCKDF; Canada Council; CANARIE; CRC; Compute Canada; FQRNT; Ontario Innovation Trust, Canada; EPLANET; ERC, FP7, Horizon 2020; Marie Sklodowska-Curie Actions, European Union; Investissements d'Avenir Labex and Idex, France; ANR, France; Region Auvergne, France; Fondation Partager le Savoir, France; DFG, Germany; AvH Foundation, Germany; EU-ESF; Greek NSRF; BSF, Israel; GIF, Israel; Minerva, Israel; BRF, Norway; Royal Society, United Kingdom; Leverhulme Trust, United Kingdom FX We thank CERN for the very successful operation of the LHC, as well as the support staff from our institutions without whom ATLAS could not be operated efficiently. We acknowledge the support of ANPCyT, Argentina; YerPhI, Armenia; ARC, Australia; BMWFW and FWF, Austria; ANAS, Azerbaijan; SSTC, Belarus; CNPq and FAPESP, Brazil; NSERC, NRC and CFI, Canada; CERN; CONICYT, Chile; CAS, MOST and NSFC, China; COLCIENCIAS, Colombia; MSMT CR, MPO CR and VSC CR, Czech Republic; DNRF, DNSRC and Lundbeck Foundation, Denmark; IN2P3-CNRS, CEADSM/IRFU, France; GNSF, Georgia; BMBF, HGF, and MPG, Germany; GSRT, Greece; RGC, Hong Kong SAR, China; ISF, I-CORE and Benoziyo Center, Israel; INFN, Italy; MEXT and JSPS, Japan; CNRST, Morocco; FOM and NWO, Netherlands; RCN, Norway; MNiSW and NCN, Poland; FCT, Portugal; MNE/IFA, Romania; MES of Russia and NRC KI, Russian Federation; JINR; MESTD, Serbia; MSSR, Slovakia; ARRS and MIZS, Slovenia; DST/NRF, South Africa; MINECO, Spain; SRC and Wallenberg Foundation, Sweden; SERI, SNSF and Cantons of Bern and Geneva, Switzerland; MOST, Taiwan; TAEK, Turkey; STFC, United Kingdom; DOE and NSF, United States of America. In addition, individual groups and members have received support from BCKDF, the Canada Council, CANARIE, CRC, Compute Canada, FQRNT, and the Ontario Innovation Trust, Canada; EPLANET, ERC, FP7, Horizon 2020 and Marie Sklodowska-Curie Actions, European Union; Investissements d'Avenir Labex and Idex, ANR, Region Auvergne and Fondation Partager le Savoir, France; DFG and AvH Foundation, Germany; Herakleitos, Thales and Aristeia programmes co-financed by EU-ESF and the Greek NSRF; BSF, GIF and Minerva, Israel; BRF, Norway; the Royal Society and Leverhulme Trust, United Kingdom. The crucial computing support from all WLCG partners is acknowledged gratefully, in particular from CERN and the ATLAS Tier-1 facilities at TRIUMF (Canada), NDGF (Denmark, Norway, Sweden), CC-IN2P3 (France), KIT/GridKA (Germany), INFN-CNAF (Italy), NL-T1 (Netherlands), PIC (Spain), ASGC (Taiwan), RAL (UK) and BNL (USA) and in the Tier-2 facilities worldwide. NR 119 TC 32 Z9 32 U1 25 U2 66 PU SPRINGER PI NEW YORK PA 233 SPRING ST, NEW YORK, NY 10013 USA SN 1434-6044 EI 1434-6052 J9 EUR PHYS J C JI Eur. Phys. J. C PD JAN 5 PY 2016 VL 76 IS 1 AR 6 DI 10.1140/epjc/s10052-015-3769-y PG 51 WC Physics, Particles & Fields SC Physics GA DE5BH UT WOS:000370645100005 ER PT J AU Aad, G Abbott, B Abdallah, J Abdinov, O Aben, R Abolins, M AbouZeid, OS Abramowicz, H Abreu, H Abreu, R Abulaiti, Y Acharya, BS Adamczyk, L Adams, DL Adelman, J Adomeit, S Adye, T Affolder, AA Agatonovic-Jovin, T Agricola, J Aguilar-Saavedra, JA Ahlen, SP Ahmadov, F Aielli, G Akerstedt, H Akesson, TPA Akimov, AV Alberghi, GL Albert, J Albrand, S Verzini, MJA Aleksa, M Aleksandrov, IN Alexa, C Alexander, G Alexopoulos, T Alhroob, M Alimonti, G Alio, L Alison, J Alkire, SP Allbrooke, BMM Allport, PP Aloisio, A Alonso, A Alonso, F Alpigiani, C Altheimer, A Gonzalez, BA Piqueras, DA Alviggi, MG Amadio, BT Amako, K Coutinho, YA Amelung, C Amidei, D Dos Santos, SPA Amorim, A Amoroso, S Amram, N Amundsen, G Anastopoulos, C Ancu, LS Andari, N Andeen, T Anders, CF Anders, G Anders, JK Anderson, KJ Andreazza, A Andrei, V Angelidakis, S Angelozzi, I Anger, P Angerami, A Anghinolfi, F Anisenkov, AV Anjos, N Annovi, A Antonelli, M Antonov, A Antos, J Anulli, F Aoki, M Bella, LA Arabidze, G Arai, Y Araque, JP Arce, ATH Arduh, FA Arguin, JF Argyropoulos, S Arik, M Armbruster, AJ Arnaez, O Arnal, V Arnold, H Arratia, M Arslan, O Artamonov, A Artoni, G Asai, S Asbah, N Ashkenazi, A Asman, B Asquith, L Assamagan, K Astalos, R Atkinson, M Atlay, NB Augsten, K Aurousseau, M Avolio, G Axen, B Ayoub, MK Azuelos, G Baak, MA Baas, AE Baca, MJ Bacci, C Bachacou, H Bachas, K Backes, M Backhaus, M Bagiacchi, P Bagnaia, P Bai, Y Bain, T Baines, JT Baker, OK Baldin, EM Balek, P Balestri, T Balli, F Banas, E Banerjee, S Bannoura, AAE Bansil, HS Barak, L Barberio, EL Barberis, D Barbero, M Barillari, T Barisonzi, M Barklow, T Barlow, N Barnes, SL Barnett, BM Barnett, RM Barnovska, Z Baroncelli, A Barone, G Barr, AJ Barreiro, F da Costa, JBG Bartoldus, R Barton, AE Bartos, P Basalaev, A Bassalat, A Basye, A Bates, RL Batista, SJ Batley, JR Battaglia, M Bauce, M Bauer, F Bawa, HS Beacham, JB Beattie, MD Beau, T Beauchemin, PH Beccherle, R Bechtle, P Beck, HP Becker, K Becker, M Beckingham, M Becot, C Beddall, AJ Beddall, A Bednyakov, VA Bee, CP Beemster, LJ Beermann, TA Begel, M Behr, JK Belanger-Champagne, C Bell, WH Bella, G Bellagamba, L Bellerive, A Bellomo, M Belotskiy, K Beltramello, O Benary, O Benchekroun, D Bender, M Bendtz, K Benekos, N Benhammou, Y Noccioli, EB Garcia, JAB Benjamin, DP Bensinger, JR Bentvelsen, S Beresford, L Beretta, M Berge, D Kuutmann, EB Berger, N Berghaus, F Beringer, J Bernard, C Bernard, NR Bernius, C Bernlochner, FU Berry, T Berta, P Bertella, C Bertoli, G Bertolucci, F Bertsche, C Bertsche, D Besana, MI Besjes, GJ Bylund, OB Bessner, M Besson, N Betancourt, C Bethke, S Bevan, AJ Bhimji, W Bianchi, RM Bianchini, L Bianco, M Biebel, O Biedermann, D Bieniek, SP Biglietti, M De Mendizabal, JB Bilokon, H Bindi, M Binet, S Bingul, A Bini, C Biondi, S Bjergaard, DM Black, CW Black, JE 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Wienemann, P. Wiglesworth, C. Wiik-Fuchs, L. A. M. Wildauer, A. Wilkens, H. G. Williams, H. H. Williams, S. Willis, C. Willocq, S. Wilson, A. Wilson, J. A. Wingerter-Seez, I. Winklmeier, F. Winter, B. T. Wittgen, M. Wittkowski, J. Wollstadt, S. J. Wolter, M. W. Wolters, H. Wosiek, B. K. Wotschack, J. Woudstra, M. J. Wozniak, K. W. Wu, M. Wu, M. Wu, S. L. Wu, X. Wu, Y. Wyatt, T. R. Wynne, B. M. Xella, S. Xu, D. Xu, L. Yabsley, B. Yacoob, S. Yakabe, R. Yamada, M. Yamaguchi, D. Yamaguchi, Y. Yamamoto, A. Yamamoto, S. Yamanaka, T. Yamauchi, K. Yamazaki, Y. Yan, Z. Yang, H. Yang, H. Yang, Y. Yao, W-M. Yasu, Y. Yatsenko, E. Wong, K. H. Yau Ye, J. Ye, S. Yeletskikh, I. Yen, A. L. Yildirim, E. Yorita, K. Yoshida, R. Yoshihara, K. Young, C. Young, C. J. S. Youssef, S. Yu, D. R. Yu, J. Yu, J. M. Yu, J. Yuan, L. Yuen, S. P. Y. Yurkewicz, A. Yusuff, I. Zabinski, B. Zaidan, R. Zaitsev, A. M. Zalieckas, J. Zaman, A. Zambito, S. Zanello, L. Zanzi, D. Zeitnitz, C. Zeman, M. Zemla, A. Zeng, Q. Zengel, K. Zenin, O. Zenis, T. Zerwas, D. Zhang, D. Zhang, F. Zhang, H. Zhang, J. Zhang, L. Zhang, R. Zhang, X. Zhang, Z. Zhao, X. Zhao, Y. Zhao, Z. Zhemchugov, A. Zhong, J. Zhou, B. Zhou, C. Zhou, L. Zhou, L. Zhou, M. Zhou, N. Zhu, C. G. Zhu, H. Zhu, J. Zhu, Y. Zhuang, X. Zhukov, K. Zibell, A. Zieminska, D. Zimine, N. I. Zimmermann, C. Zimmermann, S. Zinonos, Z. Zinser, M. Ziolkowski, M. Zivkovic, L. Zobernig, G. Zoccoli, A. zur Nedden, M. Zurzolo, G. Zwalinski, L. CA ATLAS Collaboration TI Searches for scalar leptoquarks in pp collisions at root s=8TeV with the ATLAS detector SO EUROPEAN PHYSICAL JOURNAL C LA English DT Article ID TEV AB Searches for pair-produced scalar leptoquarks are performed using 20 fb(-1) of proton-proton collision data provided by the LHC and recorded by the ATLAS detector at root s = 8 TeV. Events with two electrons (muons) and two or more jets in the final state are used to search for first (second)-generation leptoquarks. The results from two previously published ATLAS analyses are interpreted in terms of third-generation leptoquarks decaying to b nu(tau)(b) over bar(nu) over bar (tau) and t nu(tau)(t) over bar(nu) over bar (tau) final states. No statistically significant excess above the Standard Model expectation is observed in any channel and scalar leptoquarks are excluded at 95 % CL with masses up to m(LQ1) < 1050 GeV for first-generation leptoquarks, m(LQ2) < 1000 GeV for second-generation leptoquarks, m(LQ3) 625 GeV for third-generation leptoquarks in the b nu(tau)<(b) over bar(nu) over bar (tau) channel, and 200 < m(LQ3) < 640 GeV in the t nu(tau)(t) over bar(nu) over bar (tau) channel. C1 [Aleksa, M.; Gonzalez, B. Alvarez; Anders, G.; Anghinolfi, F.; Armbruster, A. J.; Arnaez, O.; Avolio, G.; Baak, M. A.; Backes, M.; Backhaus, M.; Barak, L.; Beermann, T. A.; Beltramello, O.; Bogaerts, J. A.; Boveia, A.; Boyd, J.; Burckhart, H.; Campana, S.; Garrido, M. D. M. Capeans; Carli, T.; Carrillo-Montoya, G. D.; Catinaccio, A.; Cattai, A.; Cerv, M.; Chromek-Burckhart, D.; Conti, G.; Dell'Acqua, A.; Deviveiros, P. O.; Di Girolamo, A.; Di Girolamo, B.; Dittus, F.; Dobos, D.; Dudarev, A.; Duehrssen, M.; Eifert, T.; Ellis, N.; Elsing, M.; Farthouat, P.; Fassnacht, P.; Feigl, S.; Perez, S. Fernandez; Francis, D.; Froidevaux, D.; Gadatsch, S.; Gillberg, D.; Glatzer, J.; Goossens, L.; Gorini, B.; Gray, H. M.; Hawkings, R. J.; Correia, A. M. Henriques; Hervas, L.; Hoecker, A.; Huhtinen, M.; Iengo, P.; Jaekel, M. R.; Jakobsen, S.; Jenni, P.; Klioutchnikova, T.; Krasznahorkay, A.; Lapoire, C.; Lassnig, M.; Miotto, G. Lehmann; Lenzi, B.; Lichard, P.; Macina, D.; Malyukov, S.; Mandelli, B.; Mapelli, L.; Marzin, A.; Milic, A.; Mornacchi, G.; Nairz, A. M.; Nakahama, Y.; Nessi, M.; Nicquevert, B.; Nordberg, M.; Oide, H.; Palestini, S.; Pauly, T.; Pernegger, H.; Peters, K.; Petersen, B. 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M.; Capua, M.; Crosetti, G.; La Rotonda, L.; Mastroberardino, A.; Policicchio, A.; Salvatore, D.; Scarfone, V.; Schioppa, M.; Susinno, G.; Tassi, E.] Ist Nazl Fis Nucl, Lab Nazl Frascati, Grp Collegato Cosenza, POB 13, I-00044 Frascati, Italy. [Cairo, V. M.; Capua, M.; Crosetti, G.; La Rotonda, L.; Mastroberardino, A.; Policicchio, A.; Salvatore, D.; Scarfone, V.; Schioppa, M.; Susinno, G.; Tassi, E.] Univ Calabria, Dipartimento Fis, I-87036 Arcavacata Di Rende, Italy. [Adamczyk, L.; Bold, T.; Dabrowski, W.; Dyndal, M.; Gach, G. P.; Grabowska-Bold, I.; Kisielewska, D.; Koperny, S.; Kowalski, T. Z.; Mindur, B.; Przybycien, M.; Zemla, A.] AGH Univ Sci & Technol, Fac Phys & Appl Comp Sci, PL-30059 Krakow, Poland. [Palka, M.; Richter-Was, E.] Jagiellonian Univ, Marian Smoluchowski Inst Phys, Krakow, Poland. [Banas, E.; Bruckman de Renstrom, P. A.; Chwastowski, J. J.; Derendarz, D.; Godlewski, J.; Gornicki, E.; Hajduk, Z.; Iwanski, W.; Kaczmarska, A.; Knapik, J.; Korcyl, K.; Malecki, Pa.; Olszewski, A.; Olszowska, J.; Stanecka, E.; Staszewski, R.; Trzebinski, M.; Trzupek, A.; Wolter, M. W.; Wosiek, B. K.; Wozniak, K. W.; Zabinski, B.] Polish Acad Sci, Inst Nucl Phys, Krakow, Poland. [Cao, T.; Firan, A.; Hetherly, J. W.; Kama, S.; Kehoe, R.; Sekula, S. J.; Stroynowski, R.; Turvey, A. J.; Varol, T.; Wang, H.; Ye, J.; Zhao, X.; Zhou, L.] So Methodist Univ, Dept Phys, Dallas, TX 75275 USA. [Izen, J. M.; Leyton, M.; Meirose, B.; Namasivayam, H.; Reeves, K.] Univ Texas Dallas, Dept Phys, Richardson, TX 75083 USA. [Asbah, N.; Bessner, M.; Bloch, I.; Borroni, S.; Britzger, D.; Camarda, S.; Deterre, C.; Eckardt, C.; Filipuzzi, M.; Flaschel, N.; Glazov, A.; Grahn, K-J.; Gregor, I. M.; Grohsjean, A.; Haleem, M.; Hamnett, P. G.; Hengler, C.; Hiller, K. H.; Howarth, J.; Huang, Y.; Katzy, J.; Keller, J. S.; Kondrashova, N.; Kuhl, T.; Lobodzinska, E.; Lohwasser, K.; Mamuzic, J.; Medinnis, M.; Moenig, K.; Garcia, R. F. Naranjo; Naumann, T.; Peschke, R.; Petit, E.; Pirumov, H.; Poley, A.; Radescu, V.; Robinson, J. E. M.; Rubinskiy, I.; Schaefer, R.; Schmitt, S.; Sedov, G.; Shushkevich, S.; South, D.; Stanescu-Bellu, M.; Stanitzki, M. M.; Styles, N. A.; Tackmann, K.; Wang, J.; Wasicki, C.; Yildirim, E.] DESY, Notkestr 85, Hamburg, Germany. [Asbah, N.; Bessner, M.; Bloch, I.; Borroni, S.; Britzger, D.; Camarda, S.; Deterre, C.; Eckardt, C.; Filipuzzi, M.; Flaschel, N.; Glazov, A.; Grahn, K-J.; Gregor, I. M.; Grohsjean, A.; Haleem, M.; Hamnett, P. G.; Hengler, C.; Hiller, K. H.; Howarth, J.; Huang, Y.; Katzy, J.; Keller, J. S.; Kondrashova, N.; Kuhl, T.; Lobodzinska, E.; Lohwasser, K.; Mamuzic, J.; Medinnis, M.; Moenig, K.; Garcia, R. F. Naranjo; Naumann, T.; Peschke, R.; Petit, E.; Pirumov, H.; Poley, A.; Radescu, V.; Robinson, J. E. M.; Rubinskiy, I.; Schaefer, R.; Schmitt, S.; Sedov, G.; Shushkevich, S.; South, D.; Stanescu-Bellu, M.; Stanitzki, M. M.; Styles, N. A.; Tackmann, K.; Wang, J.; Wasicki, C.; Yildirim, E.] DESY, Zeuthen, Germany. [Burmeister, I.; Erdmann, J.; Esch, H.; Goessling, C.; Homann, M.; Jentzsch, J.; Jung, C. A.; Klingenberg, R.; Kroeninger, K.] Tech Univ Dortmund, Inst Expt Phys 4, D-44221 Dortmund, Germany. [Anger, P.; Duschinger, D.; Friedrich, F.; Grohs, J. P.; Gumpert, C.; Gutschow, C.; Hauswald, L.; Kobel, M.; Mader, W. F.; Novgorodova, O.; Rudolph, C.; Schnoor, U.; Siegert, F.; Socher, F.; Staerz, S.; Straessner, A.; Vest, A.; Wahrmund, S.] Tech Univ Dresden, Inst Kern & Teilchenphys, D-01062 Dresden, Germany. [Arce, A. T. H.; Benjamin, D. P.; Bjergaard, D. M.; Bocci, A.; Cerio, B. C.; Goshaw, A. T.; Kajomovitz, E.; Kotwal, A.; Kruse, M. C.; Li, L.; Li, S.; Liu, M.; Oh, S. H.; Zhou, C.] Duke Univ, Dept Phys, Durham, NC 27706 USA. [Bristow, T. M.; Clark, P. J.; Dias, F. A.; Edwards, N. C.; Gao, Y.; GarayWalls, F. M.; Glaysher, P. C. F.; Harrington, R. D.; Leonidopoulos, C.; Martin, V. J.; Mills, C.; O'Brien, B. J.; Pino, S. A. Olivares; Proissl, M.; Smart, B. H.; Washbrook, A.; Wynne, B. M.] Univ Edinburgh, SUPA Sch Phys & Astron, Edinburgh, Midlothian, Scotland. [Antonelli, M.; Beretta, M.; Bilokon, H.; Chiarella, V.; Curatolo, M.; Di Nardo, R.; Esposito, B.; Gatti, C.; Giromini, P.; Laurelli, P.; Maccarrone, G.; Mancini, G.; Sansoni, A.; Testa, M.; Vilucchi, E.] Ist Nazl Fis Nucl, Lab Nazl Frascati, POB 13, I-00044 Frascati, Italy. [Amoroso, S.; Arnold, H.; Betancourt, C.; Boehler, M.; Bruneliere, R.; Buehrer, F.; Burgard, C. D.; Buescher, D.; Cardillo, F.; Coniavitis, E.; Consorti, V.; Dang, N. P.; Dao, V.; Di Simone, A.; Giuliani, C.; Herten, G.; Jakobs, K.; Javurek, T.; Jenni, P.; Kiss, F.; Koeneke, K.; Kopp, A. K.; Kuehn, S.; Landgraf, U.; Mahboubi, K.; Mohr, W.; Pagacova, M.; Parzefall, U.; Ronzani, M.; Rosbach, K.; Ruehr, F.; Rurikova, Z.; Ruthmann, N.; Sammel, D.; Schillo, C.; Schumacher, M.; Sommer, P.; Sundermann, J. E.; Ta, D.; Temming, K. K.; Tsiskaridze, V.; Ungaro, F. C.; von Radziewski, H.; Weiser, C.; Werner, M.; Zhang, L.; Zimmermann, S.] Univ Freiburg, Fak Math & Phys, Hugstetter Str 55, D-79106 Freiburg, Germany. [Ancu, L. S.; Bell, W. H.; Noccioli, E. Benhar; De Mendizabal, J. Bilbao; Calace, N.; Clark, A.; Coccaro, A.; Delitzsch, C. M.; della Volpe, D.; Ferrere, D.; Gadomski, S.; Golling, T.; Gonzalez-Sevilla, S.; Gramling, J.; Guescini, F.; Iacobucci, G.; Katre, A.; Mermod, P.; Miucci, A.; Muenstermann, D.; Nessi, M.; Paolozzi, L.; Picazio, A.; Ristic, B.; Schramm, S.; Tykhonov, A.; Vallecorsa, S.; Wu, X.] Univ Geneva, Sect Phys, Geneva, Switzerland. [Barberis, D.; Darbo, G.; Favareto, A.; FerrettoParodi, A.; Gagliardi, G.; Gemme, C.; Guido, E.; Morettini, P.; Osculati, B.; Parodi, F.; Passaggio, S.; Rossi, L. P.; Sannino, M.; Schiavi, C.] Ist Nazl Fis Nucl, Sez Genova, Via Dodecaneso 33, I-16146 Genoa, Italy. [Barberis, D.; Favareto, A.; FerrettoParodi, A.; Gagliardi, G.; Guido, E.; Osculati, B.; Parodi, F.; Sannino, M.; Schiavi, C.] Univ Genoa, Dipartimento Fis, Genoa, Italy. [Durglishvili, A.; Jejelava, J.; Tskhadadze, E. G.] Iv Javakhishvili Tbilisi State Univ, E Andronikashvili Inst Phys, Tbilisi, Rep of Georgia. [Djobava, T.; Khubua, J.; Mosidze, M.] Tbilisi State Univ, Inst High Energy Phys, GE-380086 Tbilisi, Rep of Georgia. [Dueren, M.; Kreutzfeldt, K.; Stenzel, H.] Univ Giessen, Inst Phys 2, D-35390 Giessen, Germany. [Bates, R. L.; Boutle, S. K.; Madden, W. D. Breaden; Britton, D.; Buckley, A. G.; Bussey, P.; Buttar, C. M.; Buzatu, A.; Cinca, D.; D'Auria, S.; Doyle, A. T.; Ferrando, J.; de Lima, D. E. Ferreira; Gul, U.; Knue, A.; Morton, A.; Mullen, P.; O'Shea, V.; Barrera, C. Oropeza; Owen, M.; Pollard, C. S.; Qin, G.; Quilty, D.; Ravenscroft, T.; Robson, A.; Schmitt, S.; Denis, R. D. St.; Stewart, G. A.; Thompson, A. S.] Univ Glasgow, SUPA Sch Phys & Astron, Glasgow, Lanark, Scotland. [Agricola, J.; Bindi, M.; Blumenschein, U.; Brandt, G.; Drechsler, E.; George, M.; Graber, L.; Grosse-Knetter, J.; Janus, M.; Kareem, M. J.; Kawamura, G.; Lai, S.; Lemmer, B.; Magradze, E.; Mantoani, M.; Mchedlidze, G.; MorenoLlacer, M.; Musheghyan, H.; Nackenhorst, O.; Nadal, J.; Quadt, A.; Rieger, J.; Schorlemmer, A. L. S.; Shabalina, E.; Stolte, P.; Weingarten, J.; Zinonos, Z.] Univ Gottingen, Inst Phys 2, D-37073 Gottingen, Germany. [Albrand, S.; Brown, J.; Collot, J.; Crepe-Renaudin, S.; Delsart, P. A.; Gabaldon, C.; Genest, M. H.; Hostachy, J-Y.; Ledroit-Guillon, F.; Lleres, A.; Lucotte, A.; Malek, F.; Monini, C.; Stark, J.; Trocme, B.; Wu, M.] Univ Grenoble Alpes, CNRS, IN2P3, Lab Phys Subatom & Cosmol, Grenoble, France. [McFarlane, K. W.] Hampton Univ, Dept Phys, Hampton, VA 23668 USA. [da Costa, J. Barreiro Guimaraes; Catastini, P.; Clark, B. L.; Franklin, M.; Huth, J.; Ippolito, V.; Lazovich, T.; Mateos, D. Lopez; Mercurio, K. M.; Morii, M.; Skottowe, H. P.; Spearman, W. R.; Sun, S.; Tolley, E.; Tuna, A. N.; Yen, A. L.; Zambito, S.] Harvard Univ, Lab Particle Phys & Cosmol, Cambridge, MA 02138 USA. [Andrei, V.; Baas, A. E.; Brandt, O.; Davygora, Y.; Djuvsland, J. I.; Dunford, M.; Geisler, M. P.; Hanke, P.; Jongmanns, J.; Kluge, E. -E.; Lang, V. S.; Meier, K.; Theenhausen, H. Meyer Zu; Villar, D. I. Narrias; Sahinsoy, M.; Scharf, V.; Schultz-Coulon, H. -C.; Stamen, R.; Starovoitov, P.; Wessels, M.] Heidelberg Univ, Kirchhoff Inst Phys, Heidelberg, Germany. [Anders, C. F.; Giulini, M.; Lisovyi, M.; Schaetzel, S.; Schoening, A.; Sosa, D.] Heidelberg Univ, Physikal Inst, Heidelberg, Germany. [Colombo, T.; Kretz, M.; Kugel, A.] Heidelberg Univ, ZITI Inst Tech Informat, Mannheim, Germany. [Nagasaka, Y.] Hiroshima Inst Technol, Fac Appl Informat Sci, Hiroshima, Japan. [Bortolotto, V.; Castillo, L. R. Flores; Salvucci, A.] Chinese Univ Hong Kong, Dept Phys, Shatin, Hong Kong, Peoples R China. [Bortolotto, V.] Univ Hong Kong, Dept Phys, Hong Kong, Hong Kong, Peoples R China. [Bortolotto, V.; Prokofiev, K.] Hong Kong Univ Sci & Technol, Dept Phys, Kowloon, Hong Kong, Peoples R China. [Choi, K.; Dattagupta, A.; Evans, H.; Gagnon, P.; Lammers, S.; Martinez, N. Lorenzo; Luehring, F.; Ogren, H.; Penwell, J.; Weinert, B.; Zieminska, D.] Indiana Univ, Dept Phys, Bloomington, IN 47405 USA. [Jansky, R.; Jussel, P.; Kneringer, E.; Lukas, W.; Usanova, A.; Vigne, R.] Leopold Franzens Univ, Inst Astro & Teilchenphys, Innsbruck, Austria. [Argyropoulos, S.; Mallik, U.; Mandrysch, R.; Zaidan, R.] Univ Iowa, Iowa City, IA USA. [Chen, C.; Cochran, J.; De Lorenzi, F.; Krumnack, N.; Pluth, D.; Prell, S.] Iowa State Univ, Dept Phys & Astron, Ames, IA USA. [Ahmadov, F.; Aleksandrov, I. N.; Bednyakov, V. A.; Boyko, I. R.; Budagov, I. A.; Chelkov, G. A.; Cheplakov, A.; Chizhov, M. V.; Dedovich, D. V.; Demichev, M.; Gostkin, M. I.; Huseynov, N.; Javadov, N.; Karpov, S. N.; Karpova, Z. M.; Khramov, E.; Kotov, V. M.; Kruchonak, U.; Kukhtin, V.; Ladygin, E.; Minashvili, I. A.; Mineev, M.; Peshekhonov, V. D.; Plotnikova, E.; Potrap, I. N.; Pozdnyakov, V.; Rusakovich, N. A.; Sadykov, R.; Sapronov, A.; Shiyakova, M.; Sisakyan, A. N.; Soloshenko, A.; Vinogradov, V. B.; Yeletskikh, I.; Zhemchugov, A.; Zimine, N. I.] Joint Inst Nucl Res Dubna, Dubna, Russia. [Amako, K.; Aoki, M.; Arai, Y.; Hanagaki, K.; Ikegami, Y.; Ikeno, M.; Iwasaki, H.; Kanzaki, J.; Kohriki, T.; Kondo, T.; Kono, T.; Makida, Y.; Nagano, K.; Nakamura, K.; Nozaki, M.; Odaka, S.; Okuyama, T.; Sasaki, O.; Suzuki, S.; Takubo, Y.; Tanaka, S.; Terada, S.; Tokushuku, K.; Tsuno, S.; Unno, Y.; Yamada, M.; Yamamoto, A.; Yasu, Y.] High Energy Accelerator Res Org, KEK, Tsukuba, Ibaraki, Japan. [Chen, Y.; Hasegawa, M.; Kido, S.; Kishimoto, T.; Kurashige, H.; Maeda, J.; Ochi, A.; Shimizu, S.; Takeda, H.; Yakabe, R.; Yamazaki, Y.; Yuan, L.] Kobe Univ, Grad Sch Sci, Kobe, Hyogo 657, Japan. [Ishino, M.; Kunigo, T.; Monden, R.; Sumida, T.; Tashiro, T.] Kyoto Univ, Fac Sci, Kyoto, Japan. [Chen, Y.; Hasegawa, M.; Kido, S.; Kishimoto, T.; Kurashige, H.; Maeda, J.; Ochi, A.; Shimizu, S.; Takeda, H.; Yakabe, R.; Yamazaki, Y.; Yuan, L.] Kyoto Univ, Kyoto 612, Japan. [Kawagoe, K.; Oda, S.; Otono, H.; Tojo, J.] Kyushu Univ, Dept Phys, Fukuoka 812, Japan. [Alconada Verzini, M. J.; Alonso, F.; Arduh, F. A.; Dova, M. T.; Monticelli, F.; Wahlberg, H.] Univ Nacl La Plata, Inst Fis La Plata, RA-1900 La Plata, Buenos Aires, Argentina. [Alconada Verzini, M. J.; Alonso, F.; Arduh, F. A.; Dova, M. T.; Monticelli, F.; Wahlberg, H.] Consejo Nacl Invest Cient & Tecn, La Plata, Buenos Aires, Argentina. [Barton, A. E.; Beattie, M. D.; Borissov, G.; Bouhova-Thacker, E. V.; Dearnaley, W. J.; Fox, H.; Grimm, K.; Henderson, R. C. W.; Hughes, G.; Jones, R. W. L.; Kartvelishvili, V.; Long, R. E.; Love, P. A.; Maddocks, H. J.; Skinner, M. B.; Smizanska, M.; Walder, J.; Wharton, A. M.] Univ Lancaster, Dept Phys, Lancaster, England. [Gorini, E.; Primavera, M.; Spagnolo, S.; Ventura, A.] Ist Nazl Fis Nucl, Sez Lecce, I-73100 Lecce, Italy. [Gorini, E.; Spagnolo, S.; Ventura, A.] Univ Salento, Dipartimento Matemat & Fis, Lecce, Italy. [Affolder, A. A.; Allport, P. P.; Anders, J. K.; Burdin, S.; D'Onofrio, M.; Dervan, P.; Gwilliam, C. B.; Hayward, H. S.; Jackson, M.; Jones, T. J.; King, B. T.; Klein, M.; Klein, U.; Kretzschmar, J.; Laycock, P.; Lehan, A.; Maxfield, S. J.; Mehta, A.; Readioff, N. P.; Schnellbach, Y. J.; Vossebeld, J. H.] Univ Liverpool, Oliver Lodge Lab, Liverpool L69 3BX, Merseyside, England. [Cindro, V.; Deliyergiyev, M.; Filipcic, A.; Gorisek, A.; Kersevan, B. P.; Kramberger, G.; Macek, B.; Mandic, I.; Mikuz, M.; Sfiligoj, T.; Sokhrannyi, G.] Jozef Stefan Inst, Dept Phys, Ljubljana, Slovenia. [Cindro, V.; Deliyergiyev, M.; Filipcic, A.; Gorisek, A.; Kersevan, B. P.; Kramberger, G.; Macek, B.; Mandic, I.; Mikuz, M.; Sfiligoj, T.; Sokhrannyi, G.] Univ Ljubljana, Ljubljana, Slovenia. [Alpigiani, C.; Bevan, A. J.; Bona, M.; Cerrito, L.; Fletcher, G.; Goddard, J. R.; Hays, J. M.; Hickling, R.; Landon, M. P. J.; Lloyd, S. L.; Morris, J. D.; Nooney, T.; Piccaro, E.; Rizvi, E.; Sandbach, R. L.; Snidero, G.; Castanheira, M. Teixeira Dias] Queen Mary Univ London, Sch Phys & Astron, London, England. [Berry, T.; Blanco, J. E.; Boisvert, V.; Brooks, T.; Connelly, I. A.; Cowan, G.; Duguid, L.; Giannelli, M. Faucci; George, S.; Gibson, S. M.; Kempster, J. J.; Vazquez, J. G. Panduro; Pastore, Fr.; Savage, G.; Sowden, B. C.; Spano, F.; Teixeira-Dias, P.; Thomas-Wilsker, J.] Royal Holloway Univ London, Dept Phys, Surrey, England. [Bieniek, S. P.; Butterworth, J. M.; Campanelli, M.; Casadei, D.; Chislett, R. T.; Christodoulou, V.; Cooper, B. D.; Davison, P.; Falla, R. J.; Freeborn, D.; Gregersen, K.; Ortiz, N. G. Gutierrez; Hesketh, G. G.; Jansen, E.; Jiggins, S.; Konstantinidis, N.; Korn, A.; Kucuk, H.; Lambourne, L.; Leney, K. J. C.; Martyniuk, A. C.; Mcfayden, J. A.; Nurse, E.; Ochoa, I.; Richter, S.; Scanlon, T.; Sherwood, P.; Simmons, B.; Wardrope, D. R.; Waugh, B. M.] UCL, Dept Phys & Astron, London, England. [Greenwood, Z. D.; Grossi, G. C.; Jana, D. K.; Sawyer, L.; Subramaniam, R.] Louisiana Tech Univ, Ruston, LA 71270 USA. [Beau, T.; Bomben, M.; Calderini, G.; Crescioli, F.; De Cecco, S.; Demilly, A.; Derue, F.; Francavilla, P.; Krasny, M. W.; Lacour, D.; Laforge, B.; Laplace, S.; Le Dortz, O.; Lefebvre, G.; Malaescu, B.; Marchiori, G.; Nikolic-Audit, I.; Ocariz, J.; Pandini, C. E.; Pires, S.; Ridel, M.; Roos, L.; Trincaz-Duvoid, S.; Vannucci, F.; Varouchas, D.] UPMC, Lab Phys Nucl & Hautes Energies, Paris, France. [Beau, T.; Bomben, M.; Calderini, G.; Crescioli, F.; De Cecco, S.; Demilly, A.; Derue, F.; Francavilla, P.; Krasny, M. W.; Lacour, D.; Laforge, B.; Laplace, S.; Le Dortz, O.; Lefebvre, G.; Malaescu, B.; Marchiori, G.; Nikolic-Audit, I.; Ocariz, J.; Pandini, C. E.; Pires, S.; Ridel, M.; Roos, L.; Trincaz-Duvoid, S.; Vannucci, F.; Varouchas, D.] Univ Paris Diderot, Paris, France. [Beau, T.; Bomben, M.; Calderini, G.; Crescioli, F.; De Cecco, S.; Demilly, A.; Derue, F.; Francavilla, P.; Krasny, M. W.; Lacour, D.; Laforge, B.; Laplace, S.; Le Dortz, O.; Lefebvre, G.; Malaescu, B.; Marchiori, G.; Nikolic-Audit, I.; Ocariz, J.; Pandini, C. E.; Pires, S.; Ridel, M.; Roos, L.; Trincaz-Duvoid, S.; Vannucci, F.; Varouchas, D.] CNRS, IN2P3, Paris, France. [Akesson, T. P. A.; Bocchetta, S. S.; Doglioni, C.; Floderus, A.; Hawkins, A. D.; Hedberg, V.; Ivarsson, J.; Jarlskog, G.; Lytken, E.; Mjornmark, J. U.; Smirnova, O.; Viazlo, O.] Lund Univ, Fysiska Inst, Lund, Sweden. [Arnal, V.; Barreiro, F.; Cantero, J.; De la Torre, H.; Del Peso, J.; Glasman, C.; Merino, J. Llorente; Terron, J.] Univ Autonoma Madrid, Dept Fis Teor C 15, Madrid, Spain. [Becker, M.; Bertella, C.; Blum, W.; Buescher, V.; Caputo, R.; Caudron, J.; Cuth, J.; Endner, O. C.; Ertel, E.; Fiedler, F.; Torregrosa, E. Fullana; Heck, T.; Hohlfeld, M.; Huelsing, T. A.; Karnevskiy, M.; Kleinknecht, K.; Koepke, L.; Lin, T. H.; Masetti, L.; Mattmann, J.; Meyer, C.; Moritz, S.; Rave, S.; Sander, H. G.; Schaeffer, J.; Schaefer, U.; Schmitt, C.; Schott, M.; Schroeder, C.; Schuh, N.; Simioni, E.; Tapprogge, S.; Urrejola, P.; Valderanis, C.; Wollstadt, S. J.; Zimmermann, C.; Zinser, M.] Johannes Gutenberg Univ Mainz, Inst Phys, D-55122 Mainz, Germany. [Balli, F.; Barnes, S. L.; Cox, B. E.; DaVia, C.; Forti, A.; Ponce, J. M. Iturbe; Joshi, K. D.; Keoshkerian, H.; Li, X.; Loebinger, F. K.; Marsden, S. P.; Masik, J.; Neep, T. J.; Oh, A.; Ospanov, R.; Pater, J. R.; Peters, R. F. Y.; Pilkington, A. D.; Price, D.; Qin, Y.; Queitsch-Maitland, M.; Schwanenberger, C.; Schweiger, H.; Shaw, S. M.; Thompson, R. J.; Tomlinson, L.; Watts, S.; Webb, S.; Woudstra, M. J.; Wyatt, T. R.] Univ Manchester, Sch Phys & Astron, Manchester, Lancs, England. [Aad, G.; Alio, L.; Barbero, M.; Chen, L.; Coadou, Y.; Diaconu, C.; Diglio, S.; Djama, F.; Ducu, O. A.; Feligioni, L.; Gao, J.; Hallewell, G. D.; Hubaut, F.; Kahn, S. J.; Knoops, E. B. F. G.; Le Guirriec, E.; Liu, J.; Liu, K.; Madaffari, D.; Mochizuki, K.; Monnier, E.; Muanza, S.; Nagai, Y.; Nagy, E.; Pralavorio, P.; Rozanov, A.; Serre, T.; Talby, M.; TicseTorres, R. E.; Tiouchichine, E.; Tisserant, S.; Toth, J.; Touchard, F.; Vacavant, L.] Aix Marseille Univ, CPPM, Marseille, France. [Aad, G.; Alio, L.; Barbero, M.; Chen, L.; Coadou, Y.; Diaconu, C.; Diglio, S.; Djama, F.; Ducu, O. A.; Feligioni, L.; Gao, J.; Hallewell, G. D.; Hubaut, F.; Kahn, S. J.; Knoops, E. B. F. G.; Le Guirriec, E.; Liu, J.; Liu, K.; Madaffari, D.; Mochizuki, K.; Monnier, E.; Muanza, S.; Nagai, Y.; Nagy, E.; Pralavorio, P.; Rozanov, A.; Serre, T.; Talby, M.; TicseTorres, R. E.; Tiouchichine, E.; Tisserant, S.; Toth, J.; Touchard, F.; Vacavant, L.] CNRS, IN2P3, Marseille, France. [Bellomo, M.; Bernard, N. R.; Brau, B.; Dallapiccola, C.; Daya-Ishmukhametova, R. K.; Moyse, E. J. W.; Pais, P.; Pueschel, E.; Ventura, D.; Willocq, S.] Univ Massachusetts, Dept Phys, Amherst, MA 01003 USA. [Belanger-Champagne, C.; Chuinard, A. J.; Corriveau, F.; Keyes, R. A.; Mantifel, R.; Prince, S.; Robertson, S. H.; Robichaud-Veronneau, A.; Stockton, M. C.; Stoebe, M.; Vachon, B.; Schroeder, T. Vazquez; Wang, K.; Warburton, A.] McGill Univ, Dept Phys, Montreal, PQ, Canada. [Barberio, E. L.; Brennan, A. J.; Dawe, E.; Jennens, D.; Kubota, T.; Milesi, M.; Hanninger, G. Nunes; Nuti, F.; Rados, P.; Spiller, L. A.; Tan, K. G.; Taylor, G. N.; Taylor, P. T. E.; Urquijo, P.; Volpi, M.; Zanzi, D.] Univ Melbourne, Sch Phys, Melbourne, Vic, Australia. [Amidei, D.; Chelstowska, M. A.; Cheng, H. C.; Dai, T.; Diehl, E. B.; Edgar, R. C.; Feng, H.; Ferretti, C.; Fleischmann, P.; Goldfarb, S.; Guan, L.; Hu, X.; Levin, D.; Liu, H.; Long, J. D.; Lu, N.; Marley, D. E.; Mc Kee, S. P.; McCarn, A.; Neal, H. A.; Qian, J.; Schwarz, T. A.; Searcy, J.; Sekhon, K.; Thun, R. P.; Wilson, A.; Wu, Y.; Yu, J. M.; Zhang, D.; Zhou, B.; Zhu, J.] Univ Michigan, Dept Phys, Ann Arbor, MI 48109 USA. [Abolins, M.; Arabidze, G.; Brock, R.; Chegwidden, A.; Fisher, W. C.; Halladjian, G.; Hauser, R.; Hayden, D.; Huston, J.; Linnemann, J. T.; Martin, B.; Pope, B. G.; Schoenrock, B. D.; Schwienhorst, R.; Tollefson, K.; Willis, C.] Michigan State Univ, Dept Phys & Astron, E Lansing, MI USA. [Alimonti, G.; Andreazza, A.; Besana, M. I.; Carminati, L.; Cavalli, D.; Costa, G.; Fanti, M.; Giugni, D.; Lari, T.; Mandelli, L.; Mazza, S. M.; Meroni, C.; Perini, L.; Ragusa, F.; Resconi, S.; Shojaii, S.; Stabile, A.; Tartarelli, G. F.; Troncon, C.; Turra, R.; Perez, M. Villaplana] Ist Nazl Fis Nucl, Sez Milano, Via Celoria 16, I-20133 Milan, Italy. [Andreazza, A.; Carminati, L.; Fanti, M.; Mazza, S. M.; Perini, L.; Ragusa, F.; Shojaii, S.; Turra, R.; Perez, M. Villaplana] Univ Milan, Dipartimento Fis, Milan, Italy. [Harkusha, S.; Kulchitsky, Y.; Kurochkin, Y. A.; Tsiareshka, P. V.] Natl Acad Sci Belarus, BI Stepanov Phys Inst, Minsk, Byelarus. 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I.; Sivoklokov, S. Yu.; Smirnova, L. N.; Turchikhin, S.] Moscow MV Lomonosov State Univ, DV Skobeltsyn Inst Nucl Phys, Moscow, Russia. [Adomeit, S.; Bender, M.; Biebel, O.; Bock, C.; Bortfeldt, J.; Calfayan, P.; Chow, B. K. B.; Duckeck, G.; Elmsheuser, J.; Hertenberger, R.; Hoenig, F.; Legger, F.; Lorenz, J.; Loesel, P. J.; Maier, T.; Mann, A.; Mehlhase, S.; Meineck, C.; Mitrevski, J.; Mueller, R. S. P.; Nunnemann, T.; Rauscher, F.; Ruschke, A.; Sanders, M. P.; Schaile, D.; Unverdorben, C.; Vladoiu, D.; Walker, R.; Wittkowski, J.] Univ Munich, Fak Phys, Munich, Germany. [Barillari, T.; Bethke, S.; Bronner, J.; Compostella, G.; Cortiana, G.; Ecker, K. M.; Flowerdew, M. J.; Goblirsch-Kolb, M.; Ince, T.; Kiryunin, A. E.; Kluth, S.; Kortner, O.; Kortner, S.; Kroha, H.; Macchiolo, A.; Maier, A. A.; Manfredini, A.; Menke, S.; Mueller, F.; Nagel, M.; Nisius, R.; Nowak, S.; Oberlack, H.; Richter, R.; Salihagic, D.; Sandstroem, R.; Schacht, P.; Schwegler, Ph.; Spettel, F.; Stonjek, S.; Terzo, S.; von der Schmitt, H.; Wildauer, A.] Werner Heisenberg Inst Phys, Max Planck Inst Phys, Munich, Germany. [Fusayasu, T.; Shimojima, M.] Nagasaki Inst Appl Sci, Nagasaki, Japan. [Horii, Y.; Morvaj, L.; Onogi, K.; Tomoto, M.; Wakabayashi, J.; Yamauchi, K.] Nagoya Univ, Grad Sch Sci, Nagoya, Aichi 4648601, Japan. [Horii, Y.; Morvaj, L.; Onogi, K.; Tomoto, M.; Wakabayashi, J.; Yamauchi, K.] Nagoya Univ, Kobayashi Maskawa Inst, Nagoya, Aichi 4648601, Japan. [Aloisio, A.; Alviggi, M. G.; Canale, V.; Carlino, G.; Cirotto, F.; Conventi, F.; de Asmundis, R.; Della Pietra, M.; Di Donato, C.; Doria, A.; Izzo, V.; Merola, L.; Perrella, S.; Rossi, E.; Sanchez, A.; Sekhniaidze, G.; Zurzolo, G.] Ist Nazl Fis Nucl, Sez Napoli, I-80125 Naples, Italy. [Aloisio, A.; Alviggi, M. G.; Canale, V.; Cirotto, F.; Di Donato, C.; Merola, L.; Perrella, S.; Rossi, E.; Sanchez, A.; Zurzolo, G.] Univ Naples Federico II, Dipartimento Fis, Naples, Italy. [Gorelov, I.; Hoeferkamp, M. R.; Seidel, S. C.; Toms, K.] Univ New Mexico, Dept Phys & Astron, Albuquerque, NM 87131 USA. [Caron, S.; Colasurdo, L.; Croft, V.; De Groot, N.; Filthaut, F.; Galea, C.; Konig, A. C.; Nektarijevic, S.; Strubig, A.] Radboud Univ Nijmegen Nikhef, Inst Math Astrophys & Particle Phys, Nijmegen, Netherlands. [Aben, R.; Angelozzi, I.; Beemster, L. J.; Bentvelsen, S.; Berge, D.; Bobbink, G. J.; Bos, K.; Brenner, L.; Butti, P.; Castelli, A.; Colijn, A. P.; de Jong, P.; Deigaard, I.; Deluca, C.; Duda, D.; Ferrari, P.; Hartjes, F.; Hessey, N. P.; Hod, N.; Igonkina, O.; Karastathis, N.; Kluit, P.; Koffeman, E.; Linde, F.; Mahlstedt, J.; Meyer, J.; Oussoren, K. P.; Sabato, G.; Salek, D.; Slawinska, M.; Valencic, N.; Van den Wollenberg, W.; Van der Deijl, P. C.; van der Geer, R.; van der Graaf, H.; van Vulpen, I.; Verkerke, W.; Vermeulen, J. C.; Vreeswijk, M.; Weits, H.; Williams, S.] Nikhef Natl Inst Subat Phys, Amsterdam, Netherlands. [Aben, R.; Angelozzi, I.; Beemster, L. J.; Bentvelsen, S.; Berge, D.; Bobbink, G. J.; Bos, K.; Brenner, L.; Butti, P.; Castelli, A.; Colijn, A. P.; de Jong, P.; Deigaard, I.; Deluca, C.; Duda, D.; Ferrari, P.; Hartjes, F.; Hessey, N. P.; Hod, N.; Igonkina, O.; Karastathis, N.; Kluit, P.; Koffeman, E.; Linde, F.; Mahlstedt, J.; Meyer, J.; Oussoren, K. P.; Sabato, G.; Salek, D.; Slawinska, M.; Valencic, N.; Van den Wollenberg, W.; Van der Deijl, P. C.; van der Geer, R.; van der Graaf, H.; van Vulpen, I.; Verkerke, W.; Vermeulen, J. C.; Vreeswijk, M.; Weits, H.; Williams, S.] Univ Amsterdam, Amsterdam, Netherlands. [Adelman, J.; Andari, N.; Burghgrave, B.; Chakraborty, D.; Cole, S.; Yurkewicz, A.] No Illinois Univ, Dept Phys, De Kalb, IL 60115 USA. [Anisenkov, A. V.; Baldin, E. M.; Bobrovnikov, V. S.; Bogdanchikov, A. G.; Buzykaev, A. R.; Kazanin, V. F.; Kharlamov, A. G.; Korol, A. A.; Malyshev, V. M.; Maslennikov, A. L.; Maximov, D. A.; Peleganchuk, S. V.; Rezanova, O. L.; Soukharev, A. M.; Talyshev, A. A.; Tikhonov, Yu. A.] SB RAS, Budker Inst Nucl Phys, Novosibirsk, Russia. [Bernius, C.; Cranmer, K.; Haas, A.; Heinrich, L.; van Huysduynen, L. Hooft; Kaplan, B.; Karthik, K.; Konoplich, R.; Kreiss, S.; Mincer, A. I.; Nemethy, P.; Neves, R. M.] NYU, Dept Phys, 4 Washington Pl, New York, NY 10003 USA. [Beacham, J. B.; Gan, K. K.; Ishmukhametov, R.; Kagan, H.; Kass, R. D.; Looper, K. A.; Nagarkar, A.; Pignotti, D. T.; Shrestha, S.; Tannenwald, B. B.] Ohio State Univ, Columbus, OH 43210 USA. [Nakano, I.] Okayama Univ, Fac Sci, Okayama 700, Japan. [Abbott, B.; Alhroob, M.; Bertsche, C.; Bertsche, D.; De Benedetti, A.; Gutierrez, P.; Hasib, A.; Norberg, S.; Pearson, B.; Rifki, O.; Saleem, M.; Severini, H.; Skubic, P.; Strauss, M.] Univ Oklahoma, Homer L Dodge Dept Phys & Astron, Norman, OK 73019 USA. [Bousson, N.; Haley, J.; Jamin, D. O.; Khanov, A.; Rizatdinova, F.; Sidorov, D.; Yu, J.] Oklahoma State Univ, Dept Phys, Stillwater, OK 74078 USA. [Chytka, L.; Hamal, P.; Hrabovsky, M.; Kvita, J.; Nozka, L.] Palacky Univ, RCPTM, CR-77147 Olomouc, Czech Republic. [Abreu, R.; Brau, J. E.; Brost, E.; Hopkins, W. H.; Majewski, S.; Potter, C. T.; Ptacek, E.; Radloff, P.; Shamim, M.; Sinev, N. B.; Strom, D. M.; Torrence, E.; Wanotayaroj, C.; Whalen, K.; Winklmeier, F.] Univ Oregon, Ctr High Energy Phys, Eugene, OR 97403 USA. [Ayoub, M. K.; Bassalat, A.; Becot, C.; Binet, S.; Bourdarios, C.; De Regie, J. B. De Vivie; Delgove, D.; Duflot, L.; Escalier, M.; Fayard, L.; Fournier, D.; Gkougkousis, E. L.; Grivaz, J. -F.; Guillemin, T.; Hariri, F.; Henrot-Versille, S.; Hrivnac, J.; Iconomidou-Fayard, L.; Kado, M.; Li, Y.; Lounis, A.; Makovec, N.; Morange, N.; Nellist, C.; Petroff, P.; Poggioli, L.; Puzo, P.; Renaud, A.; Rousseau, D.; Rybkin, G.; Schaffer, A. C.; Scifo, E.; Serin, L.; Simion, S.; Zerwas, D.; Zhang, Z.; Zhao, Y.] Univ Paris 11, LAL, Orsay, France. [Ayoub, M. K.; Bassalat, A.; Becot, C.; Binet, S.; Bourdarios, C.; De Regie, J. B. De Vivie; Delgove, D.; Duflot, L.; Escalier, M.; Fayard, L.; Fournier, D.; Gkougkousis, E. L.; Grivaz, J. -F.; Guillemin, T.; Hariri, F.; Henrot-Versille, S.; Hrivnac, J.; Iconomidou-Fayard, L.; Kado, M.; Lounis, A.; Makovec, N.; Morange, N.; Nellist, C.; Petroff, P.; Poggioli, L.; Puzo, P.; Renaud, A.; Rousseau, D.; Rybkin, G.; Schaffer, A. C.; Scifo, E.; Serin, L.; Simion, S.; Zerwas, D.; Zhang, Z.; Zhao, Y.] CNRS, IN2P3, F-91405 Orsay, France. [Endo, M.; Hanagaki, K.; Nomachi, M.; Okamura, W.; Sugaya, Y.; Teoh, J. J.; Yamaguchi, Y.] Osaka Univ, Grad Sch Sci, Osaka, Japan. [Bugge, L.; Bugge, M. K.; Cameron, D.; Catmore, J. R.; Franconi, L.; Garonne, V.; Gjelsten, B. K.; Gramstad, E.; Morisbak, V.; Nilsen, J. K.; Ould-Saada, F.; Pajchel, K.; Pedersen, M.; Raddum, S.; Read, A. L.; Rohne, O.; Sandaker, H.; Stapnes, S.; Strandlie, A.] Univ Oslo, Dept Phys, Oslo, Norway. [Barr, A. J.; Becker, K.; Behr, J. K.; Beresford, L.; Cooper-Sarkar, A. M.; Ortuzar, M. Crispin; Dafinca, A.; Davies, E.; Frost, J. A.; Gallas, E. J.; Gupta, S.; Gwenlan, C.; Hall, D.; Hays, C. P.; Henderson, J.; Howard, J.; Huffman, T. B.; Issever, C.; Kalderon, C. W.; Kogan, L. A.; Lewis, A.; Nagai, K.; Nickerson, R. B.; Pickering, M. A.; Ryder, N. C.; Tseng, J. C-L.; Viehhauser, G. H. A.; Weidberg, A. R.; Zhong, J.] Univ Oxford, Dept Phys, Oxford, England. [Conta, C.; Dondero, P.; Ferrari, R.; Fraternali, M.; Gaudio, G.; Introzzi, G.; Lanza, A.; Livan, M.; Negri, A.; Polesello, G.; Rebuzzi, D. 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L.; Spalla, M.; Volpi, G.; White, S.] Ist Nazl Fis Nucl, Sez Pisa, Pisa, Italy. [Annovi, A.; Beccherle, R.; Bertolucci, F.; Cavasinni, V.; Chiarelli, G.; Del Prete, T.; Dell'Orso, M.; Donati, S.; Giannetti, P.; Leone, S.; Roda, C.; Scuri, F.; Sotiropoulou, C. L.; Spalla, M.; Volpi, G.; White, S.] Univ Pisa, Dipartimento Fis E Fermi, Pisa, Italy. [Bianchi, R. M.; Boudreau, J.; Cleland, W.; Escobar, C.; Hong, T. M.; Mueller, J.; Sapp, K.; Su, J.] Univ Pittsburgh, Dept Phys & Astron, Pittsburgh, PA 15260 USA. [Aguilar-Saavedra, J. A.; Amor Dos Santos, S. P.; Amorim, A.; Araque, J. P.; Cantrill, R.; Carvalho, J.; Castro, N. F.; Conde Muino, P.; Da Cunha Sargedas De Sousa, M. J.; Fiolhais, M. C. N.; Galhardo, B.; Gomes, A.; Goncalo, R.; Jorge, P. M.; Lopes, L.; Maio, A.; Maneira, J.; Onofre, A.; Palma, A.; Pedro, R.; Pina, J.; Santos, H.; Saraiva, J. G.; Silva, J.; Delgado, A. Tavares; Veloso, F.; Wolters, H.] LIP, Lab Instrumentacaoe Fis Expt Particulas, P-1000 Lisbon, Portugal. [Amorim, A.; Conde Muino, P.; Da Cunha Sargedas De Sousa, M. J.; Gomes, A.; Jorge, P. M.; Miguens, J. Machado; Maio, A.; Maneira, J.; Palma, A.; Pedro, R.; Pina, J.; Silva, J.; Delgado, A. Tavares] Univ Lisbon, Fac Ciencias, P-1699 Lisbon, Portugal. [Amor Dos Santos, S. P.; Carvalho, J.; Fiolhais, M. C. N.; Galhardo, B.; Veloso, F.; Wolters, H.] Univ Coimbra, Dept Phys, Coimbra, Portugal. [Gomes, A.; Maio, A.; Pina, J.; Saraiva, J. G.] Univ Lisbon, Ctr Fis Nucl, P-1699 Lisbon, Portugal. [Onofre, A.] Univ Minho, Dept Fis, Braga, Portugal. [Aguilar-Saavedra, J. A.] Univ Granada, Dept Fis Teor & Cosmos, Granada, Spain. [Aguilar-Saavedra, J. A.] Univ Granada, CAFPE, Granada, Spain. Univ Nova Lisboa, Dept Fis, Caparica, Portugal. Univ Nova Lisboa, Fac Ciencias & Tecnol, CEFITEC, Caparica, Portugal. [Chudoba, J.; Havranek, M.; Hejbal, J.; Jakoubek, T.; Kepka, O.; Kupco, A.; Kus, V.; Lokajicek, M.; Lysak, R.; Marcisovsky, M.; Mikestikova, M.; Nemecek, S.; Penc, O.; Sicho, P.; Staroba, P.; Svatos, M.; Tasevsky, M.; Vrba, V.] Acad Sci Czech Republic, Inst Phys, Prague, Czech Republic. [Augsten, K.; Caforio, D.; Gallus, P.; Guenther, J.; Hubacek, Z.; Jakubek, J.; Kohout, Z.; Myska, M.; Pospisil, S.; Seifert, F.; Simak, V.; Slavicek, T.; Smolek, K.; Solar, M.; Solc, J.; Sopczak, A.; Sopko, B.; Sopko, V.; Suk, M.; Turecek, D.; Vacek, V.; Vlasak, M.; Vokac, P.; Vykydal, Z.; Zeman, M.] Czech Tech Univ, CR-16635 Prague, Czech Republic. [Balek, P.; Berta, P.; Chalupkova, I.; Davidek, T.; Dolejsi, J.; Dolezal, Z.; Faltova, J.; Kodys, P.; Kosek, T.; Leitner, R.; Pleskot, V.; Reznicek, P.; Scheirich, D.; Spousta, M.; Sykora, T.; Tas, P.; Todorova-Nova, S.; Valkar, S.; Vorobel, V.] Charles Univ Prague, Fac Math & Phys, Prague, Czech Republic. [Borisov, A.; Cheremushkina, E.; Denisov, S. P.; Fakhrutdinov, R. M.; Fenyuk, A. B.; Golubkov, D.; Kamenshchikov, A.; Karyukhin, A. N.; Kozhin, A. S.; Minaenko, A. A.; Myagkov, A. G.; Nikolaenko, V.; Solodkov, A. A.; Solovyanov, O. V.; Starchenko, E. A.; Zaitsev, A. M.; Zenin, O.] Inst High Energy Phys, State Res Ctr, Protvino, Russia. [Adye, T.; Baines, J. T.; Barnett, B. M.; Burke, S.; Dewhurst, A.; Dopke, J.; Emeliyanov, D.; Gallop, B. J.; Gee, C. N. P.; Haywood, S. J.; Kirk, J.; Martin-Haugh, S.; McCubbin, N. A.; McMahon, S. J.; Middleton, R. P.; Murray, W. J.; Phillips, P. W.; Sankey, D. P. C.; Sawyer, C.; Tyndel, M.; Wickens, F. J.; Wielers, M.] Rutherford Appleton Lab, Particle Phys Dept, Didcot OX11 0QX, Oxon, England. [Anulli, F.; Bagiacchi, P.; Bagnaia, P.; Bauce, M.; Bini, C.; Ciapetti, G.; De Pedis, D.; De Salvo, A.; Di Domenico, A.; Falciano, S.; Gauzzi, P.; Gentile, S.; Giagu, S.; Gustavino, G.; Kuna, M.; Lacava, F.; Luci, C.; Luminari, L.; Marzano, F.; Messina, A.; Monzani, S.; Nisati, A.; Pasqualucci, E.; Petrolo, E.; Pontecorvo, L.; Rescigno, M.; Rosati, S.; Tehrani, F. Safai; Vanadia, M.; Vari, R.; Veneziano, S.; Verducci, M.; Zanello, L.] Ist Nazl Fis Nucl, Sez Roma, Rome, Italy. [Bagiacchi, P.; Bagnaia, P.; Bauce, M.; Bini, C.; Ciapetti, G.; Di Domenico, A.; Gauzzi, P.; Gentile, S.; Giagu, S.; Gustavino, G.; Kuna, M.; Lacava, F.; Luci, C.; Messina, A.; Monzani, S.; Vanadia, M.; Verducci, M.; Zanello, L.] Univ Roma La Sapienza, Dipartimento Fis, Piazzale Aldo Moro 5, I-00185 Rome, Italy. [Aielli, G.; Camarri, P.; Cardarelli, R.; Di Ciaccio, A.; Iuppa, R.; Liberti, B.; Mazzaferro, L.; Salamon, A.; Santonico, R.] Ist Nazl Fis Nucl, Sez Roma Tor Vergata, Rome, Italy. [Aielli, G.; Camarri, P.; Di Ciaccio, A.; Iuppa, R.; Mazzaferro, L.; Santonico, R.] Univ Roma Tor Vergata, Dipartimento Fis, Via E Carnevale, I-00173 Rome, Italy. [Bacci, C.; Baroncelli, A.; Biglietti, M.; Ceradini, F.; Di Micco, B.; Farilla, A.; Graziani, E.; Iodice, M.; Orestano, D.; Pastore, F.; Petrucci, F.; Puddu, D.; Salamanna, G.; Sessa, M.; Stanescu, C.; Taccini, C.] Ist Nazl Fis Nucl, Sez Roma Tre, Rome, Italy. [Bacci, C.; Ceradini, F.; Di Micco, B.; Orestano, D.; Pastore, F.; Petrucci, F.; Puddu, D.; Salamanna, G.; Sessa, M.; Taccini, C.] Univ Rome Tre, Dipartimento Matemat & Fis, I-00146 Rome, Italy. [Benchekroun, D.; Chafaq, A.; Hoummada, A.] Univ Hassan 2, Reseau Univ Phys Hautes Energies, Fac Sci Ain Chock, Casablanca, Morocco. [Ghazlane, H.] Ctr Natl Energie Sci Techn Nucl, Rabat, Morocco. [El Kacimi, M.; Goujdami, D.] Univ Cadi Ayyad, Fac Sci Semlalia, LPHEA Marrakech, Marrakech, Morocco. [Derkaoui, J. E.; Ouchrif, M.; Tayalati, Y.] Univ Mohamed Premier, Fac Sci, Oujda, Morocco. [Derkaoui, J. E.; Ouchrif, M.; Tayalati, Y.] LPTPM, Oujda, Morocco. [Cherkaoui El Moursli, R.; Fassi, F.; Haddad, N.; Idrissi, Z.] Univ Mohammed V Agdal, Fac Sci, Rabat, Morocco. [Bachacou, H.; Bauer, F.; Besson, N.; Blanchard, J. -B.; Boonekamp, M.; Calandri, A.; Chevalier, L.; Hoffmann, M. Dano; Deliot, F.; Etienvre, A. I.; Formica, A.; Giraud, P. F.; Da Costa, J. Goncalves Pinto Firmino; Guyot, C.; Hanna, R.; Hassani, S.; Kivernyk, O.; Kozanecki, W.; Kukla, R.; Lancon, E.; Laporte, J. F.; Maiani, C.; Mansoulie, B.; Meyer, J-P.; Nicolaidou, R.; Ouraou, A.; Protopapadaki, E.; Royon, C. R.; Saimpert, M.; Schoeffel, L.; Schune, Ph.; Schwemling, Ph.; Schwindling, J.] CEA Saclay, DSM IRFU Inst Rec Lois Fondament Univers, Commissariat Energie Atom & Energies Alternat, F-91191 Gif Sur Yvette, France. [Battaglia, M.; Debenedetti, C.; Grabas, H. M. X.; Grillo, A. A.; Kuhl, A.; LaRosa, A.; Law, A. T.; Liang, Z.; Litke, A. M.; Lockman, W. S.; Nielsen, J.; Reece, R.; Rose, P.; Sadrozinski, H. F-W.; Schumm, B. A.; Seiden, A.] Univ Calif Santa Cruz, Santa Cruz Inst Particle Phys, Santa Cruz, CA 95064 USA. [Blackburn, D.; Goussiou, A. G.; Hsu, S. -C.; Lubatti, H. J.; Marx, M.; Rompotis, N.; Rosten, R.; Rothberg, J.; Russell, H. L.; DeBruin, P. H. Sales; Pastor, E. Torro; Watts, G.] Univ Washington, Dept Phys, Seattle, WA 98195 USA. [Anastopoulos, C.; Costanzo, D.; Donszelmann, T. Cuhadar; Dawson, I.; Fletcher, G. T.; Hamity, G. N.; Hodgkinson, M. C.; Hodgson, P.; Johansson, P.; Klinger, J. A.; Korolkova, E. V.; Kyriazopoulos, D.; Paredes, B. Lopez; Macdonald, C. M.; Miyagawa, P. S.; Paganis, E.; Parker, K. A.; Tovey, D. R.; Vickey, T.; VickeyBoeriu, O. E.] Univ Sheffield, Dept Phys & Astron, Sheffield, S Yorkshire, England. [Hasegawa, Y.; Takeshita, T.] Shinshu Univ, Dept Phys, Nagano, Japan. [Atlay, N. B.; Buchholz, P.; Czirr, H.; Fleck, I.; Gaur, B.; Ghasemi, S.; Ibragimov, I.; Ikematsu, K.; Rosenthal, O.; Walkowiak, W.; Ziolkowski, M.] Univ Siegen, Fachbereich Phys, D-57068 Siegen, Germany. [Buat, Q.; Horton, A. J.; Mori, D.; O'Neil, D. C.; Pachal, K.; Stelzer, B.; Temple, D.; Torres, H.; Van Nieuwkoop, J.; Vetterli, M. C.] Simon Fraser Univ, Dept Phys, Burnaby, BC V5A 1S6, Canada. [Barklow, T.; Bartoldus, R.; Bawa, H. S.; Black, J. E.; Cogan, J. G.; Fulsom, B. G.; Gao, Y. S.; Garelli, N.; Grenier, P.; Ilic, N.; Kagan, M.; Kocian, M.; Koi, T.; Malone, C.; Moss, J.; Mount, R.; Nachman, B. P.; Nef, P. D.; Piacquadio, G.; Rubbo, F.; Salnikov, A.; Schwartzman, A.; Strauss, E.; Su, D.; Swiatlowski, M.; Tompkins, L.; Wittgen, M.; Young, C.; Zeng, Q.] SLAC Natl Accelerator Lab, Stanford, CA USA. [Astalos, R.; Bartos, P.; Blazek, T.; Federic, P.; Plazak, L.; Sykora, I.; Tokar, S.; Zenis, T.] Comenius Univ, Fac Math Phys & Informat, Bratislava, Slovakia. [Antos, J.; Bruncko, D.; Kladiva, E.; Strizenec, P.; Urban, J.] Slovak Acad Sci, Inst Expt Phys, Dept Subnucl Phys, Kosice 04353, Slovakia. [Castaneda-Miranda, E.; Hamilton, A.; Meehan, S.; Yacoob, S.] Univ Cape Town, Dept Phys, ZA-7925 Cape Town, South Africa. [Aurousseau, M.; Connell, S. H.; Govender, N.; Lee, C. A.] Univ Johannesburg, Dept Phys, Johannesburg, South Africa. [Bristow, K.; Hsu, C.; Kar, D.; March, L.; Garciac, B. R. Mellado; Ruan, X.] Univ Witwatersrand, Sch Phys, Johannesburg, South Africa. [Abulaiti, Y.; Akerstedt, H.; Asman, B.; Bendtz, K.; Bertoli, G.; Bylund, O. Bessidskaia; Bohm, C.; Clement, C.; Cribbs, W. A.; Hellman, S.; Jon-And, K.; Khandanyan, H.; Klimek, P.; Lundberg, O.; Milstead, D. A.; Moa, T.; Molander, S.; Pani, P.; Plucinski, P.; Poettgen, R.; Rossetti, V.; Shcherbakova, A.; Silverstein, S. B.; Sjolin, J.; Strandberg, S.; Tylmad, M.; Ughetto, M.] Stockholm Univ, Dept Phys, S-10691 Stockholm, Sweden. [Abulaiti, Y.; Akerstedt, H.; Asman, B.; Bendtz, K.; Bertoli, G.; Bylund, O. Bessidskaia; Clement, C.; Cribbs, W. A.; Hellman, S.; Jon-And, K.; Khandanyan, H.; Klimek, P.; Lundberg, O.; Milstead, D. A.; Moa, T.; Molander, S.; Pani, P.; Plucinski, P.; Poettgen, R.; Rossetti, V.; Shcherbakova, A.; Sjolin, J.; Strandberg, S.; Tylmad, M.; Ughetto, M.] Oskar Klein Ctr, Stockholm, Sweden. [Lund-Jensen, B.; Sidebo, P. E.; Strandberg, J.] Royal Inst Technol, Dept Phys, S-10044 Stockholm, Sweden. [Balestri, T.; Bee, C. P.; Campoverde, A.; Chen, K.; Hobbs, J.; Jia, J.; Li, H.; Lindquist, B. E.; Mastrandrea, P.; McCarthy, R. L.; Puldon, D.; Radhakrishnan, S. K.; Rijssenbeek, M.; Schamberger, R. D.; Tsybychev, D.; Zaman, A.; Zhou, M.] SUNY Stony Brook, Dept Phys & Astron & Chem, Stony Brook, NY USA. [Allbrooke, B. M. M.; Asquith, L.; Cerri, A.; Barajas, C. A. Chavez; De Sanctis, U.; De Santo, A.; Grout, Z. J.; Potter, C. J.; Salvatore, F.; SantoyoCastillo, I.; Shehu, C. Y.; Suruliz, K.; Sutton, M. R.; Vivarelli, I.] Univ Sussex, Dept Phys & Astron, Brighton, E Sussex, England. [Black, C. W.; Cuthbert, C.; Finelli, K. D.; Jeng, G. -Y.; Limosani, A.; Morley, A. K.; Patel, N. D.; Saavedra, A. F.; Scarcella, M.; Varvell, K. E.; Wang, J.; Watson, I. J.; Yabsley, B.] Univ Sydney, Sch Phys, Sydney, NSW 2006, Australia. [Abdallah, J.; Hou, S.; Hsu, P. J.; Lee, S. C.; Li, B.; Lin, S. C.; Liu, B.; Liu, D.; Lo Sterzo, F.; Mazini, R.; Shi, L.; Soh, D. A.; Teng, P. K.; Wang, C.; Wang, S. M.; Yang, Y.] Acad Sinica, Inst Phys, Taipei 115, Taiwan. [Abreu, H.; Cheatham, S.; Di Mattia, A.; Gozani, E.; Kopeliansky, R.; Musto, E.; Rozen, Y.; Tarem, S.; van Eldik, N.] Technion Israel Inst Technol, Dept Phys, IL-32000 Haifa, Israel. [Abramowicz, H.; Alexander, G.; Amram, N.; Ashkenazi, A.; Bella, G.; Benary, O.; Benhammou, Y.; Davies, M.; Etzion, E.; Gershon, A.; Gueta, O.; Oren, Y.; Silver, Y.; Soffer, A.; Taiblum, N.] Tel Aviv Univ, Raymond & Beverly Sackler Sch Phys & Astron, IL-69978 Tel Aviv, Israel. [Bachas, K.; Gkaitatzis, S.; Gkialas, I.; Iliadis, D.; Kimura, N.; Kordas, K.; Kourkoumeli-Charalampidi, A.; Leisos, A.; Orlando, N.; Papageorgiou, K.; Hernandez, D. Paredes; Petridou, C.; Sampsonidis, D.; Tsionou, D.] Univ Thessaloniki, Dept Phys, GR-54006 Thessaloniki, Greece. [Asai, S.; Chen, S.; Dohmae, T.; Enari, Y.; Hanawa, K.; Kanaya, N.; Kataoka, Y.; Kato, C.; Kawamoto, T.; Kazama, S.; Kobayashi, A.; Kobayashi, T.; Komori, Y.; Mashimo, T.; Masubuchi, T.; Minami, Y.; Mori, T.; Morinaga, M.; Nakamura, T.; Ninomiya, Y.; Nobe, T.; Saito, T.; Sakamoto, H.; Sasaki, Y.; Tanaka, J.; Terashi, K.; Ueda, I.; Yamamoto, S.; Yamanaka, T.] Univ Tokyo, Int Ctr Elementary Particle Phys, Tokyo, Japan. [Asai, S.; Chen, S.; Dohmae, T.; Enari, Y.; Hanawa, K.; Kanaya, N.; Kataoka, Y.; Kato, C.; Kawamoto, T.; Kazama, S.; Kobayashi, A.; Kobayashi, T.; Komori, Y.; Mashimo, T.; Masubuchi, T.; Minami, Y.; Mori, T.; Morinaga, M.; Nakamura, T.; Ninomiya, Y.; Nobe, T.; Saito, T.; Sakamoto, H.; Sasaki, Y.; Tanaka, J.; Terashi, K.; Ueda, I.; Yamamoto, S.; Yamanaka, T.] Univ Tokyo, Dept Phys, Tokyo, Japan. [Bratzler, U.; Fukunaga, C.] Tokyo Metropolitan Univ, Grad Sch Sci & Technol, Tokyo 158, Japan. [Hirose, M.; Ishitsuka, M.; Jinnouchi, O.; Kobayashi, D.; Kuze, M.; Motohashi, K.; Nagai, R.; Pettersson, N. E.; Todome, K.; Yamaguchi, D.] Tokyo Inst Technol, Dept Phys, Tokyo 152, Japan. [AbouZeid, O. S.; Batista, S. J.; Chau, C. C.; DeMarco, D. A.; Di Sipio, R.; Diamond, M.; Krieger, P.; Liblong, A.; McGoldrick, G.; Orr, R. S.; Polifka, R.; Rudolph, M. S.; Savard, P.; Sinervo, P.; Spreitzer, T.; Taenzer, J.; Teuscher, R. J.; Trischuk, W.; Veloce, L. M.; Venturi, N.] Univ Toronto, Dept Phys, Toronto, ON, Canada. [Azuelos, G.; Canepa, A.; Chekulaev, S. V.; Gingrich, D. M.; Jovicevic, J.; Koutsman, A.; Oakham, F. G. d; Oram, C. J.; Codina, E. Perez; Savard, P.; Schneider, B.; Schouten, D.; Seuster, R.; Stelzer-Chilton, O.; Tafirout, R.; Trigger, I. M.; Vetterli, M. C.] TRIUMF, 4004 Wesbrook Mall, Vancouver, BC V6T 2A3, Canada. [Garcia, J. A. Benitez; Ramos, J. Manjarres; Palacino, G.; Taylor, W.] York Univ, Dept Phys & Astron, Toronto, ON M3J 2R7, Canada. [Hara, K.; Hayashi, T.; Kasahara, K.; Kim, S. H.; Kiuchi, K.; Nagata, K.; Okawa, H.; Sato, K.; Ukegawa, F.] Univ Tsukuba, Fac Pure & Appl Sci, Tsukuba, Ibaraki, Japan. [Beauchemin, P. H.; Meoni, E.; Rolli, S.; Sliwa, K.; Wetter, J.] Tufts Univ, Dept Phys & Astron, Medford, MA 02155 USA. [Losada, M.; Moreno, D.; Navarro, G.; Sandoval, C.] Univ Antonio Narino, Ctr Invest, Bogota, Colombia. [Corso-Radu, A.; Frate, M.; Gerbaudo, D.; Lankford, A. J.; Mete, A. S.; Nelson, A.; Relich, M.; Scannicchio, D. A.; Schernau, M.; Shimmin, C. O.; Taffard, A.; Unel, G.; Whiteson, D.] Univ Calif Irvine, Dept Phys & Astron, Irvine, CA USA. [Acharya, B. S.; Barisonzi, M.; Brazzale, S. F.; Cobal, M.; Giordani, M. P.; Miglioranzi, S.; Pinamonti, M.; Quayle, W. B.; Serkin, L.; Shaw, K.; Soualah, R.; Truong, L.] Ist Nazl Fis Nucl, Grp Collegato Udine, Sez Trieste, Udine, Italy. [Acharya, B. S.; Barisonzi, M.; Quayle, W. B.; Serkin, L.; Shaw, K.] Abdus Salaam Int Ctr Theoret Phys, Trieste, Italy. [Brazzale, S. F.; Cobal, M.; Giordani, M. P.; Miglioranzi, S.; Pinamonti, M.; Soualah, R.; Truong, L.] Univ Udine, Dipartimento Chim Fis & Ambiente, I-33100 Udine, Italy. [Atkinson, M.; Basye, A.; Armadans, R. Caminal; Cavaliere, V.; Chang, P.; Errede, S.; Lie, K.; Liss, T. M.; Liu, L.; Neubauer, M. S.; Rybar, M.; Shang, R.; Vichou, I.] Univ Illinois, Dept Phys, Urbana, IL 61801 USA. [Kuutmann, E. Bergeaas; Brenner, R.; Ekelof, T.; Ellert, M.; Ferrari, A.; Gradin, P. O. J.; Isaksson, C.; Madsen, A.; Ohman, H.; Pelikan, D.; Rangel-Smith, C.] Uppsala Univ, Dept Phys & Astron, Uppsala, Sweden. [Piqueras, D. Alvarez; CabreraUrban, S.; Gimenez, V. Castillo; Costa, M. J.; FernandezMartinez, P.; Ferrer, A.; Fiorini, L.; Fuster, J.; Garcia, C.; Navarro, J. E. Garcia; Gonzalez de la Hoz, S.; Hernandez Jimenez, Y.; Higon-Rodriguez, E.; Quiles, A. Irles; Jimenez Pena, J.; Kaci, M.; King, M.; Lacasta, C.; Lacuesta, V. R.; Marti-Garcia, S.; Mitsou, V. A.; Garcia, E. Oliver; Pedraza Lopez, S.; PerezGarcia-Estan, M. T.; Romero Adam, E.; Ros, E.; Salt, J.; Sanchez, J.; SanchezMartinez, V.; Soldevila, U.; Valero, A.; Valladolid Gallego, E.; Valls Ferrer, J. A.; Vos, M.] Univ Valencia, Inst Fis Corpuscular IFIC, Valencia, Spain. [Piqueras, D. Alvarez; CabreraUrban, S.; Gimenez, V. Castillo; Costa, M. J.; FernandezMartinez, P.; Ferrer, A.; Fiorini, L.; Fuster, J.; Garcia, C.; Navarro, J. E. Garcia; Gonzalez de la Hoz, S.; Hernandez Jimenez, Y.; Higon-Rodriguez, E.; Quiles, A. Irles; Jimenez Pena, J.; Kaci, M.; King, M.; Lacasta, C.; Lacuesta, V. R.; Marti-Garcia, S.; Mitsou, V. A.; Garcia, E. Oliver; Pedraza Lopez, S.; PerezGarcia-Estan, M. T.; Romero Adam, E.; Ros, E.; Salt, J.; Sanchez, J.; SanchezMartinez, V.; Soldevila, U.; Valero, A.; Valladolid Gallego, E.; Valls Ferrer, J. A.; Vos, M.] Univ Valencia, Dept Fis Atom Mol & Nucl, Valencia, Spain. [Piqueras, D. Alvarez; CabreraUrban, S.; Gimenez, V. Castillo; Costa, M. J.; FernandezMartinez, P.; Ferrer, A.; Fiorini, L.; Fuster, J.; Garcia, C.; Navarro, J. E. Garcia; Gonzalez de la Hoz, S.; Hernandez Jimenez, Y.; Higon-Rodriguez, E.; Quiles, A. Irles; Jimenez Pena, J.; Kaci, M.; King, M.; Lacasta, C.; Lacuesta, V. R.; Marti-Garcia, S.; Mitsou, V. A.; Garcia, E. Oliver; Pedraza Lopez, S.; PerezGarcia-Estan, M. T.; Romero Adam, E.; Ros, E.; Salt, J.; Sanchez, J.; SanchezMartinez, V.; Soldevila, U.; Valero, A.; Valladolid Gallego, E.; Valls Ferrer, J. A.; Vos, M.] Univ Valencia, Dept Ingn Elect, Valencia, Spain. [Piqueras, D. Alvarez; CabreraUrban, S.; Gimenez, V. Castillo; Costa, M. J.; FernandezMartinez, P.; Ferrer, A.; Fiorini, L.; Fuster, J.; Garcia, C.; Navarro, J. E. Garcia; Gonzalez de la Hoz, S.; Hernandez Jimenez, Y.; Higon-Rodriguez, E.; Quiles, A. Irles; Jimenez Pena, J.; Kaci, M.; King, M.; Lacasta, C.; Lacuesta, V. R.; Marti-Garcia, S.; Mitsou, V. A.; Garcia, E. Oliver; Pedraza Lopez, S.; PerezGarcia-Estan, M. T.; Romero Adam, E.; Ros, E.; Salt, J.; Sanchez, J.; SanchezMartinez, V.; Soldevila, U.; Valero, A.; Valladolid Gallego, E.; Valls Ferrer, J. A.; Vos, M.] Univ Valencia, Inst Microelect Barcelona IMB CNM, Valencia, Spain. [Piqueras, D. Alvarez; CabreraUrban, S.; Gimenez, V. Castillo; Costa, M. J.; FernandezMartinez, P.; Ferrer, A.; Fiorini, L.; Fuster, J.; Garcia, C.; Navarro, J. E. Garcia; Gonzalez de la Hoz, S.; Hernandez Jimenez, Y.; Higon-Rodriguez, E.; Quiles, A. Irles; Jimenez Pena, J.; Kaci, M.; King, M.; Lacasta, C.; Lacuesta, V. R.; Marti-Garcia, S.; Mitsou, V. A.; Garcia, E. Oliver; Pedraza Lopez, S.; PerezGarcia-Estan, M. T.; Romero Adam, E.; Ros, E.; Salt, J.; Sanchez, J.; SanchezMartinez, V.; Soldevila, U.; Valero, A.; Valladolid Gallego, E.; Valls Ferrer, J. A.; Vos, M.] CSIC, Valencia, Spain. [Danninger, M.; Fedorko, W.; Gay, C.; Gecse, Z.; Henkelmann, S.; King, S. B.; Lister, A.] Univ British Columbia, Dept Phys, Vancouver, BC V5Z 1M9, Canada. [Albert, J.; Berghaus, F.; David, C.; Elliot, A. A.; Fincke-Keeler, M.; Hamano, K.; Hill, E.; Keeler, R.; Kowalewski, R.; Kuwertz, E. S.; Kwan, T.; LeBlanc, M.; Lefebvre, M.; Marino, C. P.; McPherson, R. A.; Pearce, J.; Sobie, R.; Trovatelli, M.; Venturi, M.] Univ Victoria, Dept Phys & Astron, Victoria, BC, Canada. [Beckingham, M.; Farrington, S. M.; Harrison, P. F.; Jeske, C.; Jones, G.; Martin, T. A.; Murray, W. J.; Pianori, E.; Spangenberg, M.] Univ Warwick, Dept Phys, Coventry CV4 7AL, W Midlands, England. [Iizawa, T.; Mitani, T.; Sakurai, Y.; Yorita, K.] Waseda Univ, Tokyo, Japan. [Bressler, S.; Citron, Z. H.; Duchovni, E.; Gross, E.; Lellouch, D.; Levinson, L. J.; Mikenberg, G.; Milov, A.; Pitt, M.; Roth, I.; Schaarschmidt, J.; Smakhtin, V.] Weizmann Inst Sci, Dept Particle Phys, IL-76100 Rehovot, Israel. [Banerjee, Sw.; Hard, A. S.; Heng, Y.; Ji, H.; Ju, X.; Kaplan, L. S.; Kashif, L.; Kruse, A.; Ming, Y.; Pan, Y. B.; Wang, F.; Wiedenmann, W.; Wu, S. L.; Yang, H.; Zhang, F.; Zobernig, G.] Univ Wisconsin, Dept Phys, 1150 Univ Ave, Madison, WI 53706 USA. [Kuger, F.; Redelbach, A.; Schreyer, M.; Sidiropoulou, O.; Siragusa, G.; Stroehmer, R.; Tam, J. Y. C.; Trefzger, T.; Weber, S. W.; Zibell, A.] Univ Wurzburg, Fac Phys & Astron, D-97070 Wurzburg, Germany. [Bannoura, A. A. E.; Braun, H. M.; Cornelissen, T.; Ellinghaus, F.; Ernis, G.; Fischer, J.; Fleischmann, S.; Flick, T.; Gabizon, O.; Hamacher, K.; Harenberg, T.; Heim, T.; Hirschbuehl, D.; Kersten, S.; Kohlmann, S.; Maettig, P.; Neumann, M.; Pataraia, S.; Riegel, C. J.; Sandhoff, M.; Tepel, F.; Wagner, W.; Zeitnitz, C.] Berg Univ Wuppertal, Fachbere C Phys, Wuppertal, Germany. [Baker, O. K.; Cummings, J.; Demers, S.; Garberson, F.; Guest, D.; Henrichs, A.; Ideal, E.; Lagouri, T.; Leister, A. G.; Loginov, A.; Thomsen, L. A.; Tipton, P.; Wang, X.] Yale Univ, Dept Phys, New Haven, CT USA. [Hakobyan, H.; Tanaka, R.; Vardanyan, G.] Yerevan Phys Inst, Yerevan 375036, Armenia. [Rahal, G.] Inst Natl Phys Nucl & Phys Particules IN2P3, Ctr Calcul, Villeurbanne, France. [Acharya, B. S.] Kings Coll London, Dept Phys, London WC2R 2LS, England. [Anisenkov, A. V.; Baldin, E. M.; Bobrovnikov, V. S.; Buzykaev, A. R.; Kazanin, V. F.; Kharlamov, A. G.; Korol, A. A.; Maslennikov, A. L.; Maximov, D. A.; Peleganchuk, S. V.; Rezanova, O. L.; Soukharev, A. M.; Talyshev, A. A.; Tikhonov, Yu. A.] Novosibirsk State Univ, Novosibirsk 630090, Russia. [Bawa, H. S.; Gao, Y. S.] Calif State Univ Fresno, Dept Phys, Fresno, CA 93740 USA. [Beck, H. P.] Univ Fribourg, Dept Phys, CH-1700 Fribourg, Switzerland. [Castro, N. F.] Univ Porto, Fac Ciencias, Dept Fis & Astron, Rua Campo Alegre 823, P-4100 Oporto, Portugal. [Chelkov, G. A.] Tomsk State Univ, Tomsk 634050, Russia. [Conventi, F.; Della Pietra, M.] Univ Napoli Parthenope, Naples, Italy. [Corriveau, F.; McPherson, R. A.; Robertson, S. H.; Sobie, R.; Teuscher, R. J.] Inst Particle Phys, Waterloo, ON, Canada. [Fedin, O. L.] St Petersburg State Polytechn Univ, Dept Phys, St Petersburg, Russia. [Grinstein, S.; Juste Rozas, A.; Martinez, M.] ICREA, Barcelona, Spain. [Hsu, P. J.] Natl Tsing Hua Univ, Dept Phys, Hsinchu, Taiwan. [Ilchenko, Y.; Onyisi, P. U. E.] Univ Texas Austin, Dept Phys, Austin, TX 78712 USA. [Jejelava, J.] Ilia State Univ, Inst Theoret Phys, Tbilisi, Rep of Georgia. [Khubua, J.] GTU, Tbilisi, Rep of Georgia. [Konoplich, R.] Manhattan Coll, New York, NY USA. [Leisos, A.] Hellen Open Univ, Patras, Greece. [Lin, S. C.] Acad Sinica, Inst Phys, Grid Comp, Taipei 115, Taiwan. [Myagkov, A. G.; Nikolaenko, V.; Zaitsev, A. M.] State Univ, Moscow Inst Phys & Technol, Dolgoprudnyi, Russia. [Pinamonti, M.] SISSA, Int Sch Adv Studies, I-34014 Trieste, Italy. [Purohit, M.] Univ S Carolina, Dept Phys & Astron, Columbia, SC 29208 USA. [Shi, L.; Soh, D. A.] Sun Yat Sen Univ, Sch Phys & Engn, Guangzhou 510275, Guangdong, Peoples R China. [Smirnova, L. N.; Turchikhin, S.] Moscow MV Lomonosov State Univ, Fac Phys, Moscow, Russia. [Tompkins, L.] Stanford Univ, Dept Phys, Stanford, CA 94305 USA. [Toth, J.] Wigner Res Ctr Phys, Inst Particle & Nucl Phys, Budapest, Hungary. [Yusuff, I.] Univ Malaya, Dept Phys, Kuala Lumpur 59100, Malaysia. RP Aad, G (reprint author), Aix Marseille Univ, CPPM, Marseille, France.; Aad, G (reprint author), CNRS, IN2P3, Marseille, France. RI Warburton, Andreas/N-8028-2013; Aguilar Saavedra, Juan Antonio/F-1256-2016; Gladilin, Leonid/B-5226-2011; Livan, Michele/D-7531-2012; Carvalho, Joao/M-4060-2013; White, Ryan/E-2979-2015; Leyton, Michael/G-2214-2016; Jones, Roger/H-5578-2011; Tikhomirov, Vladimir/M-6194-2015; Doyle, Anthony/C-5889-2009; Boyko, Igor/J-3659-2013; Mitsou, Vasiliki/D-1967-2009; Guo, Jun/O-5202-2015; Vanadia, Marco/K-5870-2016; Ippolito, Valerio/L-1435-2016; Smirnova, Oxana/A-4401-2013; Maneira, Jose/D-8486-2011; Prokoshin, Fedor/E-2795-2012; Di Domenico, Antonio/G-6301-2011; Staroba, Pavel/G-8850-2014; Kukla, Romain/P-9760-2016; Gavrilenko, Igor/M-8260-2015; Gauzzi, Paolo/D-2615-2009; Maleev, Victor/R-4140-2016; Camarri, Paolo/M-7979-2015; Vranjes Milosavljevic, Marija/F-9847-2016; Chekulaev, Sergey/O-1145-2015; Zhukov, Konstantin/M-6027-2015; SULIN, VLADIMIR/N-2793-2015; Snesarev, Andrey/H-5090-2013; Nechaeva, Polina/N-1148-2015; Mashinistov, Ruslan/M-8356-2015; Fedin, Oleg/H-6753-2016; Vykydal, Zdenek/H-6426-2016; Brooks, William/C-8636-2013; Ventura, Andrea/A-9544-2015; Kantserov, Vadim/M-9761-2015; Villa, Mauro/C-9883-2009; Mindur, Bartosz/A-2253-2017; Gutierrez, Phillip/C-1161-2011; Fabbri, Laura/H-3442-2012; Solodkov, Alexander/B-8623-2017; Zaitsev, Alexandre/B-8989-2017; Peleganchuk, Sergey/J-6722-2014; Yang, Haijun/O-1055-2015; Li, Liang/O-1107-2015; Monzani, Simone/D-6328-2017; Kuday, Sinan/C-8528-2014; la rotonda, laura/B-4028-2016 OI Warburton, Andreas/0000-0002-2298-7315; Aguilar Saavedra, Juan Antonio/0000-0002-5475-8920; Gladilin, Leonid/0000-0001-9422-8636; Livan, Michele/0000-0002-5877-0062; Carvalho, Joao/0000-0002-3015-7821; White, Ryan/0000-0003-3589-5900; Leyton, Michael/0000-0002-0727-8107; Jones, Roger/0000-0002-6427-3513; Tikhomirov, Vladimir/0000-0002-9634-0581; Doyle, Anthony/0000-0001-6322-6195; Boyko, Igor/0000-0002-3355-4662; Mitsou, Vasiliki/0000-0002-1533-8886; Guo, Jun/0000-0001-8125-9433; Vanadia, Marco/0000-0003-2684-276X; Ippolito, Valerio/0000-0001-5126-1620; Smirnova, Oxana/0000-0003-2517-531X; Maneira, Jose/0000-0002-3222-2738; Prokoshin, Fedor/0000-0001-6389-5399; Di Domenico, Antonio/0000-0001-8078-2759; Kukla, Romain/0000-0002-1140-2465; Gauzzi, Paolo/0000-0003-4841-5822; Camarri, Paolo/0000-0002-5732-5645; Vranjes Milosavljevic, Marija/0000-0003-4477-9733; SULIN, VLADIMIR/0000-0003-3943-2495; Mashinistov, Ruslan/0000-0001-7925-4676; Vykydal, Zdenek/0000-0003-2329-0672; Brooks, William/0000-0001-6161-3570; Ventura, Andrea/0000-0002-3368-3413; Kantserov, Vadim/0000-0001-8255-416X; Villa, Mauro/0000-0002-9181-8048; Mindur, Bartosz/0000-0002-5511-2611; Fabbri, Laura/0000-0002-4002-8353; Solodkov, Alexander/0000-0002-2737-8674; Zaitsev, Alexandre/0000-0002-4961-8368; Peleganchuk, Sergey/0000-0003-0907-7592; Li, Liang/0000-0001-6411-6107; Monzani, Simone/0000-0002-0479-2207; Kuday, Sinan/0000-0002-0116-5494; KUBOTA, TAKASHI/0000-0002-1156-5571; la rotonda, laura/0000-0002-6780-5829 FU ANPCyT, Argentina; YerPhI, Armenia; ARC, Australia; BMWFW, Austria; FWF, Austria; ANAS, Azerbaijan; SSTC, Belarus; CNPq, Brazil; FAPESP, Brazil; NSERC, Canada; NRC, Canada; CFI, Canada; CERN; CONICYT, Chile; CAS, China; MOST, China; NSFC, China; COLCIENCIAS, Colombia; MSMTCR, Czech Republic; MPOCR, Czech Republic; VSC CR, Czech Republic; DNRF, Denmark; DNSRC, Denmark; Lundbeck Foundation, Denmark; IN2P3-CNRS, France; CEADSM/IRFU, France; GNSF, Georgia; BMBF, Germany; HGF, Germany; MPG, Germany; GSRT, Greece; RGC, Hong Kong SAR, China; ISF, Israel; I-CORE, Israel; Benoziyo Center, Israel; INFN, Italy; MEXT, Japan; JSPS, Japan; CNRST, Morocco; FOM, Netherlands; NWO, Netherlands; RCN, Norway; MNiSW, Poland; NCN, Poland; FCT, Portugal; MNE/IFA, Romania; MES of Russia; NRC KI, Russian Federation; JINR; MESTD, Serbia; MSSR, Slovakia; ARRS, Slovenia; MIZS, Slovenia; DST/NRF, South Africa; MINECO, Spain; SRC; Wallenberg Foundation, Sweden; SERI, Switzerland; SNSF, Switzerland; Canton of Bern, Switzerland; Canton of Geneva, Switzerland; MOST, Taiwan; TAEK, Turkey; STFC, UK; DOE, United States of America; NSF, United States of America; BCKDF; Canada Council; CANARIE; CRC; Compute Canada; FQRNT; Ontario InnovationTrust, Canada; EPLANET; ERC; FP7, Horizon 2020 and Marie Sklodowska-Curie Actions, European Union; Investissements d'Avenir Labex and Idex, France; ANR, Region Auvergne, France; Fondation Partager le Savoir, France; DFG, Germany; AvH Foundation, Germany; EU-ESF; Greek NSRF; BSF, Israel; GIF, Israel; Minerva, Israel; BRF, Norway; Royal Society, UK; Leverhulme Trust, UK FX We thank CERN for the very successful operation of the LHC, as well as the support staff from our institutions without whom ATLAS could not be operated efficiently. We acknowledge the support of ANPCyT, Argentina; YerPhI, Armenia; ARC, Australia; BMWFW and FWF, Austria; ANAS, Azerbaijan; SSTC, Belarus; CNPq and FAPESP, Brazil; NSERC, NRC and CFI, Canada; CERN; CONICYT, Chile; CAS, MOST and NSFC, China; COLCIENCIAS, Colombia; MSMTCR, MPOCR and VSC CR, Czech Republic; DNRF, DNSRC and Lundbeck Foundation, Denmark; IN2P3-CNRS, CEADSM/IRFU, France; GNSF, Georgia; BMBF, HGF, and MPG, Germany; GSRT, Greece; RGC, Hong Kong SAR, China; ISF, I-CORE and Benoziyo Center, Israel; INFN, Italy; MEXT and JSPS, Japan; CNRST, Morocco; FOM and NWO, Netherlands; RCN, Norway; MNiSW and NCN, Poland; FCT, Portugal; MNE/IFA, Romania; MES of Russia and NRC KI, Russian Federation; JINR; MESTD, Serbia; MSSR, Slovakia; ARRS and MIZS, Slovenia; DST/NRF, South Africa; MINECO, Spain; SRC and Wallenberg Foundation, Sweden; SERI, SNSF and Cantons of Bern and Geneva, Switzerland; MOST, Taiwan; TAEK, Turkey; STFC, UK; DOE and NSF, United States of America. In addition, individual groups and members have received support from BCKDF, the Canada Council, CANARIE, CRC, Compute Canada, FQRNT, and the Ontario InnovationTrust, Canada; EPLANET, ERC, FP7, Horizon 2020 and Marie Sklodowska-Curie Actions, European Union; Investissements d'Avenir Labex and Idex, ANR, Region Auvergne and Fondation Partager le Savoir, France; DFG and AvH Foundation, Germany; Herakleitos, Thales and Aristeia programmes co-financed by EU-ESF and the Greek NSRF; BSF, GIF and Minerva, Israel; BRF, Norway; the Royal Society and Leverhulme Trust, UK. The crucial computing support from all WLCG partners is acknowledged gratefully, in particular from CERN and the ATLAS Tier-1 facilities at TRIUMF (Canada), NDGF (Denmark, Norway, Sweden), CC-IN2P3 (France), KIT/GridKA (Germany), INFN-CNAF (Italy), NL-T1 (Netherlands), PIC (Spain), ASGC (Taiwan), RAL (UK) and BNL (USA) and in the Tier-2 facilities worldwide. NR 73 TC 52 Z9 52 U1 32 U2 72 PU SPRINGER PI NEW YORK PA 233 SPRING ST, NEW YORK, NY 10013 USA SN 1434-6044 EI 1434-6052 J9 EUR PHYS J C JI Eur. Phys. J. C PD JAN 5 PY 2016 VL 76 IS 1 AR 5 DI 10.1140/epjc/s10052-015-3823-9 PG 28 WC Physics, Particles & Fields SC Physics GA DE5BH UT WOS:000370645100004 PM 28303082 ER PT J AU Su, FT Bhattacharya, S Abdisalaam, S Mukherjee, S Yajima, H Yang, YY Mishra, R Srinivasan, K Ghose, S Chen, DJ Yannone, SM Asaithamby, A AF Su, Fengtao Bhattacharya, Souparno Abdisalaam, Salim Mukherjee, Shibani Yajima, Hirohiko Yang, Yanyong Mishra, Ritu Srinivasan, Kalayarasan Ghose, Subroto Chen, David J. Yannone, Steven M. Asaithamby, Aroumougame TI Replication stress induced site-specific phosphorylation targets WRN to the ubiquitin-proteasome pathway SO ONCOTARGET LA English DT Article DE Werner syndrome protein; Werner syndrome; replication stress; post-translational modification; chromosome instability; Gerotarget ID WERNER-SYNDROME PROTEIN; DOUBLE-STRAND BREAKS; S-PHASE; DNA-REPLICATION; HOMOLOGOUS RECOMBINATION; CHROMOSOME SEGREGATION; GEL-ELECTROPHORESIS; FORK PROGRESSION; RECQ HELICASE; CELL-CYCLE AB Faithful and complete genome replication in human cells is essential for preventing the accumulation of cancer-promoting mutations. WRN, the protein defective in Werner syndrome, plays critical roles in preventing replication stress, chromosome instability, and tumorigenesis. Herein, we report that ATR-mediated WRN phosphorylation is needed for DNA replication and repair upon replication stress. A serine residue, S1141, in WRN is phosphorylated in vivo by the ATR kinase in response to replication stress. ATR-mediated WRN S1141 phosphorylation leads to ubiquitination of WRN, facilitating the reversible interaction of WRN with perturbed replication forks and subsequent degradation of WRN. The dynamic interaction between WRN and DNA is required for the suppression of new origin firing and Rad51-dependent double-stranded DNA break repair. Significantly, ATR-mediated WRN phosphorylation is critical for the suppression of chromosome breakage during replication stress. These findings reveal a unique role for WRN as a modulator of DNA repair, replication, and recombination, and link ATR-WRN signaling to the maintenance of genome stability. C1 [Su, Fengtao; Bhattacharya, Souparno; Abdisalaam, Salim; Yajima, Hirohiko; Yang, Yanyong; Mishra, Ritu; Srinivasan, Kalayarasan; Chen, David J.; Asaithamby, Aroumougame] Univ Texas SW Med Ctr Dallas, Dept Radiat Oncol, Dallas, TX 75390 USA. [Mukherjee, Shibani; Ghose, Subroto] Univ Texas SW Med Ctr Dallas, Dept Psychiat, Dallas, TX 75390 USA. [Yannone, Steven M.] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Div Life Sci, Berkeley, CA 94720 USA. [Yajima, Hirohiko] Natl Inst Radiol Sci, Res Ctr Charged Particle Therapy, Chiba 260, Japan. RP Asaithamby, A (reprint author), Univ Texas SW Med Ctr Dallas, Dept Radiat Oncol, Dallas, TX 75390 USA. EM Asaithamby.Aroumougame@UTsouthwestern.edu FU National Aeronautics and Space Association [NNX13AD57G, NNX15AE06G] FX We thank Dr. Chiavolini for the critical reading of our manuscript. This work was supported by the National Aeronautics and Space Association grants NNX13AD57G and NNX15AE06G (to A.A.). NR 69 TC 0 Z9 1 U1 1 U2 3 PU IMPACT JOURNALS LLC PI ALBANY PA 6211 TIPTON HOUSE, STE 6, ALBANY, NY 12203 USA SN 1949-2553 J9 ONCOTARGET JI Oncotarget PD JAN 5 PY 2016 VL 7 IS 1 BP 46 EP 65 PG 20 WC Oncology; Cell Biology SC Oncology; Cell Biology GA DD5GI UT WOS:000369950300007 PM 26695548 ER PT J AU Laskin, J Lanekoff, I AF Laskin, Julia Lanekoff, Ingela TI Ambient Mass Spectrometry Imaging Using Direct Liquid Extraction Techniques SO ANALYTICAL CHEMISTRY LA English DT Review ID DESORPTION ELECTROSPRAY-IONIZATION; SURFACE SAMPLING PROBE; SPATIALLY-RESOLVED ANALYSIS; THIN-LAYER-CHROMATOGRAPHY; HIGH-THROUGHPUT ANALYSIS; GEOMETRY LASER-ABLATION; ION-PAIRING COMPOUNDS; HUMAN BRAIN-TUMORS; IN-SITU; SPRAY IONIZATION C1 [Laskin, Julia] Pacific NW Natl Lab, Div Phys Sci, Richland, WA 99352 USA. [Lanekoff, Ingela] Uppsala Univ, Dept Chem BMC, S-75124 Uppsala, Sweden. RP Laskin, J (reprint author), Pacific NW Natl Lab, Div Phys Sci, POB 999,MSIN K8-88, Richland, WA 99352 USA. EM Julia.Laskin@pnnl.gov; Ingela.Lanekoff@kemi.uu.se RI Laskin, Julia/H-9974-2012 OI Laskin, Julia/0000-0002-4533-9644 FU Chemical Imaging Initiative at Pacific Northwest National Laboratory (PNNL); National Institutes of Health (NIH) [R21 ES024229-01]; U.S. Department of Energy (DOE), Office of Basic Energy Sciences, Division of Chemical Sciences, Geosciences Biosciences; Swedish Research Council [621-2013-4231]; Swedish Foundation for Strategic Research [ICA-6]; DOE's Office of Biological and Environmental Research; DOE [DE-AC05-76RL01830] FX J.L. acknowledges support from the Chemical Imaging Initiative at Pacific Northwest National Laboratory (PNNL) and partial support from National Institutes of Health (NIH) Grant R21 ES024229-01. Early development of nano-DESI was supported by the U.S. Department of Energy (DOE), Office of Basic Energy Sciences, Division of Chemical Sciences, Geosciences & Biosciences. I.L. acknowledges support from the Swedish Research Council (621-2013-4231) and the Swedish Foundation for Strategic Research (ICA-6). Research at PNNL (J.L.) is performed at EMSL, a national scientific user facility sponsored by the DOE's Office of Biological and Environmental Research. PNNL is a multiprogram national laboratory operated by Battelle for the DOE under Contract DE-AC05-76RL01830. NR 211 TC 9 Z9 9 U1 48 U2 107 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0003-2700 EI 1520-6882 J9 ANAL CHEM JI Anal. Chem. PD JAN 5 PY 2016 VL 88 IS 1 BP 52 EP 73 DI 10.1021/acs.analchem.5b04188 PG 22 WC Chemistry, Analytical SC Chemistry GA DA5TS UT WOS:000367866100004 PM 26566087 ER PT J AU Yang, C Jacobs, CB Nguyen, MD Ganesana, M Zestos, AG Ivanov, IN Puretzky, AA Rouleau, CM Geohegan, DB Venton, BJ AF Yang, Cheng Jacobs, Christopher B. Nguyen, Michael D. Ganesana, Mallikarjunarao Zestos, Alexander G. Ivanov, Ilia N. Puretzky, Alexander A. Rouleau, Christopher M. Geohegan, David B. Venton, B. Jill TI Carbon Nanotubes Grown on Metal Microelectrodes for the Detection of Dopamine SO ANALYTICAL CHEMISTRY LA English DT Article ID SCAN CYCLIC VOLTAMMETRY; FIBER MICROELECTRODES; IN-VIVO; ASCORBIC-ACID; ELECTROCHEMICAL PROPERTIES; NEUROTRANSMITTER DETECTION; HYDROGEN ABSORPTION; ENHANCED DETECTION; ADSORPTION; SURFACE AB Microelectrodes modified with carbon nanotubes (CNTs) are useful for the detection of neurotransmitters because the CNTs enhance sensitivity and have electrocatalytic effects. CNTs can be grown on carbon fiber microelectrodes (CFMEs) but the intrinsic electrochemical activity of carbon fibers makes evaluating the effect of CNT enhancement difficult. Metal wires are highly conductive and many metals have no intrinsic electrochemical activity for dopamine, so we investigated CNTs grown on metal wires as microelectrodes for neurotransmitter detection. In this work, we successfully grew CNTs on niobium substrates for the first time. Instead of planar metal surfaces, metal wires with a diameter of only 25 mu m were used as CNT substrates; these have potential in tissue applications due to their minimal tissue damage and high spatial resolution. Scanning electron microscopy shows that aligned CNTs are grown on metal wires after chemical vapor deposition. By use of fast-scan cyclic voltammetry, CNT-coated niobium (CNT-Nb) microelectrodes exhibit higher sensitivity and lower Delta E-p value compared to CNTs grown on carbon fibers or other metal wires. The limit of detection for dopamine at CNT-Nb microelectrodes is 11 +/- 1 nM, which is approximately 2-fold lower than that of bare CFMEs. Adsorption processes were modeled with a Langmuir isotherm, and detection of other neurochemicals was also characterized, including ascorbic acid, 3,4-dihydroxyphenylacetic acid, serotonin, adenosine, and histamine. CNT-Nb microelectrodes were used to monitor stimulated dopamine release in anesthetized rats with high sensitivity. This study demonstrates that CNT-grown metal microelectrodes, especially CNTs grown on Nb microelectrodes, are useful for monitoring neurotransmitters. C1 [Yang, Cheng; Jacobs, Christopher B.; Nguyen, Michael D.; Ganesana, Mallikarjunarao; Zestos, Alexander G.; Venton, B. Jill] Univ Virginia, Dept Chem, Charlottesville, VA 22904 USA. [Ivanov, Ilia N.; Puretzky, Alexander A.; Rouleau, Christopher M.; Geohegan, David B.] Oak Ridge Natl Lab, Ctr Nanophase Mat Sci, Oak Ridge, TN 37831 USA. RP Venton, BJ (reprint author), Univ Virginia, Dept Chem, McCormick Rd,Box 400319, Charlottesville, VA 22904 USA. EM jventon@virginia.edu RI Puretzky, Alexander/B-5567-2016; Rouleau, Christopher/Q-2737-2015; Geohegan, David/D-3599-2013; ivanov, ilia/D-3402-2015; OI Puretzky, Alexander/0000-0002-9996-4429; Rouleau, Christopher/0000-0002-5488-3537; Geohegan, David/0000-0003-0273-3139; ivanov, ilia/0000-0002-6726-2502; Jacobs, Christopher/0000-0001-7906-6368 FU NIH [R21 DA037584]; DOE Office of Science User Facility [CNMS2014-083] FX This research was supported by NIH Grant R21 DA037584. Synthesis and physical characterization of the CNT-metal wires were conducted at the Center for Nanophase Materials Sciences, which is a DOE Office of Science User Facility (User Grant CNMS2014-083). NR 60 TC 5 Z9 5 U1 15 U2 67 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0003-2700 EI 1520-6882 J9 ANAL CHEM JI Anal. Chem. PD JAN 5 PY 2016 VL 88 IS 1 BP 645 EP 652 DI 10.1021/acs.analchem.5b01257 PG 8 WC Chemistry, Analytical SC Chemistry GA DA5TS UT WOS:000367866100040 PM 26639609 ER PT J AU Cismasu, AC Williams, KH Nico, PS AF Cismasu, A. Cristina Williams, Kenneth H. Nico, Peter S. TI Iron and Carbon Dynamics during Aging and Reductive Transformation of Biogenic Ferrihydrite SO ENVIRONMENTAL SCIENCE & TECHNOLOGY LA English DT Article ID ORGANIC-MATTER; 2-LINE FERRIHYDRITE; OXIDIZING BACTERIA; MINERAL SURFACES; FIELD EXPERIMENT; GREEN RUST; SOILS; GROUNDWATER; OXYHYDROXIDE; PRESERVATION AB Natural organic matter is often associated with Fe(III) oxyhydroxides, and may be stabilized as a result of coprecipitation or sorption to their surfaces. However, the significance of this association in relation to Fe and C dynamics and biogeochemical cycling, and the mechanisms responsible for organic matter stabilization as a result of interaction with minerals under various environmental conditions (e.g., pH, Eh, etc.) are not entirely understood. The preservation of mineral-bound OM may be affected by OM structure and mineral identity, and bond types between OM and minerals may be central to influencing the stability, transformation and composition of both organic and mineral components under changing environmental conditions. Here we use bulk and submicron-scale spectroscopic synchrotron methods to examine the in situ transformation of OM-bearing, biogenic ferrihydrite stalks (Gallionella ferruginea-like), which formed following injection of oxygenated groundwater into a saturated alluvial aquifer at the Rifle, CO field site. A progression from oxidizing to reducing conditions during an eight-month period triggered the aging and reductive transformation of Gallionella-like ferrihydrite stalks to Fe (hydroxy)carbonates and Fe sulfides, as well as alteration of the composition and amount of OM. Spectromicroscopic measurements showed a gradual decrease in reduced carbon forms (aromatic/alkene, aliphatic C), a relative increase in amide/carboxyl functional groups and a significant increase in carbonate in the stalk structures, and the appearance of organic globules not associated with stalk structures. Biogenic stalks lost,similar to 30% of their initial organic carbon content. Conversely, a significant increase in bulk organic matter accompanied these transformations. The character of bulk OM changed in parallel with mineralogical transformations, showing an increase in aliphatic, aromatic and amide functional groups. These changes likely occurred as a result of an increase in microbial activity, or biomass production under anoxic conditions. By the end of this experiment, a substantial fraction of organic matter remained in identifiable Fe containing stalks, but carbon was also present in additional pools, for example, organic matter globules and iron carbonate minerals. C1 [Cismasu, A. Cristina; Williams, Kenneth H.; Nico, Peter S.] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA. RP Cismasu, AC (reprint author), Univ Calif Berkeley, Lawrence Berkeley Natl Lab, 1 Cyclotron Rd, Berkeley, CA 94720 USA. EM accismasu@lbl.gov RI Nico, Peter/F-6997-2010; Williams, Kenneth/O-5181-2014 OI Nico, Peter/0000-0002-4180-9397; Williams, Kenneth/0000-0002-3568-1155 FU Lawrence Berkeley National Laboratory's Genomes-to-Watershed Scientific Focus Area; U.S. Department of Energy (DOE), Office of Science, Office of Biological and Environmental Research [DE-AC02-05CH11231] FX This material is based upon work supported through the Lawrence Berkeley National Laboratory's Genomes-to-Watershed Scientific Focus Area. The U.S. Department of Energy (DOE), Office of Science, Office of Biological and Environmental Research funded the work under contract DE-AC02-05CH11231 (Lawrence Berkeley National Laboratory; operated by the University of California). STXM, XAS and XRD data were collected at the Advanced Light Source (ALS), Lawrence Berkeley National Laboratory and at the Stanford Synchrotron Radiation Lightsource (SSRL) at SLAG National Accelerator Laboratory. ALS and SSRL are supported by the Director, Office of Science, Office of Basic Energy Sciences of the U.S. Department of Energy. NR 56 TC 3 Z9 3 U1 23 U2 71 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0013-936X EI 1520-5851 J9 ENVIRON SCI TECHNOL JI Environ. Sci. Technol. PD JAN 5 PY 2016 VL 50 IS 1 BP 25 EP 35 DI 10.1021/acs.est.5b03021 PG 11 WC Engineering, Environmental; Environmental Sciences SC Engineering; Environmental Sciences & Ecology GA DA5TU UT WOS:000367866300004 PM 26605981 ER PT J AU Janot, N Pacheco, JSL Pham, DQ O'Brien, TM Hausladen, D Noel, V Lallier, F Maher, K Fendorf, S Williams, KH Long, PE Bargar, JR AF Janot, Noemie Pacheco, Juan S. Lezama Pham, Don Q. O'Brien, Timothy M. Hausladen, Debra Noel, Vincent Lallier, Florent Maher, Kate Fendorf, Scott Williams, Kenneth H. Long, Philip E. Bargar, John R. TI Physico-Chemical Heterogeneity of Organic-Rich Sediments in the Rifle Aquifer, CO: Impact on Uranium Biogeochemistry SO ENVIRONMENTAL SCIENCE & TECHNOLOGY LA English DT Article ID CONTAMINATED AQUIFER; DISSOLVED-OXYGEN; SULFUR SPECIATION; NATURAL SEDIMENTS; IRON SULFIDES; GROUNDWATER; TRANSPORT; CARBON; OXIDATION; NITRATE AB The Rifle alluvial aquifer along the Colorado River in west central Colorado contains fine-grained, diffusion-limited sediment lenses that are substantially enriched in organic carbon and sulfides, as well as uranium, from previous milling operations. These naturally reduced zones (NRZs) coincide spatially with a persistent uranium groundwater plume. There is concern that uranium release from NRZs is contributing to plume persistence or will do so in the future. To better define the physical extent, heterogeneity and biogeochemistry of these NRZs, we investigated sediment cores from five neighboring wells. The main NRZ body exhibited uranium concentrations up to 100 mg/kg U as U(IV) and contains ca. 286 g of U in total. Uranium accumulated only in areas where organic carbon and reduced sulfur (as iron sulfides) were present, emphasizing the importance of sulfate-reducing conditions to uranium retention and the essential role of organic matter. NRZs further exhibited centimeter-scale variations in both redox status and particle size. Mackinawite, greigite, pyrite and sulfate coexist in the sediments, indicating that dynamic redox cycling occurs within NRZs and that their internal portions can be seasonally oxidized. We show that oxidative U(VI) release to the aquifer has the potential to sustain a groundwater contaminant plume for centuries. NRZs, known to exist in other uranium-contaminated aquifers, may be regionally important to uranium persistence. C1 [Janot, Noemie; Pacheco, Juan S. Lezama; Pham, Don Q.; O'Brien, Timothy M.; Noel, Vincent; Bargar, John R.] SLAG Natl Accelerator Lab, Stanford Synchrotron Radiat Lightsource, Menlo Pk, CA 94025 USA. [Pacheco, Juan S. Lezama; Hausladen, Debra; Fendorf, Scott] Stanford Univ, Dept Environm Earth Syst Sci, Stanford, CA 94305 USA. [Lallier, Florent] Univ Lorraine, F-54501 Vandoeuvre Les Nancy, France. [Maher, Kate] Stanford Univ, Dept Geol Sci, Stanford, CA 94305 USA. [Williams, Kenneth H.; Long, Philip E.] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Div Earth Sci, Berkeley, CA 94720 USA. RP Bargar, JR (reprint author), SLAG Natl Accelerator Lab, Stanford Synchrotron Radiat Lightsource, Menlo Pk, Menlo Pk, CA 94025 USA. EM bargar@slac.stanford.edu RI Williams, Kenneth/O-5181-2014; Long, Philip/F-5728-2013 OI Williams, Kenneth/0000-0002-3568-1155; Long, Philip/0000-0003-4152-5682 FU U.S. DOE Office of Biological and Environmental Research (BER), Subsurface Biogeochemical Research (SBR) program [DE-AC02-76SF00515]; DOE-BER-SBR [DE-AC02-05CH11231] FX The SLAC Scientific Focus Area (SFA) program is supported by U.S. DOE Office of Biological and Environmental Research (BER), Subsurface Biogeochemical Research (SBR) program under subcontract DE-AC02-76SF00515. Logistical support was provided by Rifle field research program at the Lawrence Berkeley National Laboratory through funding from DOE-BER-SBR to the Sustainable Systems SPA 2.0 under contract DE-AC02-05CH11231. We thank Julian Carpenter and Dr. Ritimukta Sarangi for providing FeS and elemental sulfur reference compounds, respectively. Greigite synthesis was developed at the IMPMC (Paris, France). NR 36 TC 9 Z9 9 U1 18 U2 45 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0013-936X EI 1520-5851 J9 ENVIRON SCI TECHNOL JI Environ. Sci. Technol. PD JAN 5 PY 2016 VL 50 IS 1 BP 46 EP 53 DI 10.1021/acs.est.5b03208 PG 8 WC Engineering, Environmental; Environmental Sciences SC Engineering; Environmental Sciences & Ecology GA DA5TU UT WOS:000367866300006 PM 26651843 ER PT J AU Miskin, MZ Khaira, G de Pablo, JJ Jaeger, HM AF Miskin, Marc Z. Khaira, Gurdaman de Pablo, Juan J. Jaeger, Heinrich M. TI Turning statistical physics models into materials design engines SO PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA LA English DT Article DE materials design; directed self-assembly; optimization; inverse design ID JOINTED POLYMER-CHAIN; BLOCK-COPOLYMERS; MONTE-CARLO; INVERSE DESIGN; TOPOGRAPHICAL TEMPLATES; EVOLUTION; SIMULATIONS; PRINCIPLES; STABILITY; PATTERNS AB Despite the success statistical physics has enjoyed at predicting the properties of materials for given parameters, the inverse problem, identifying which material parameters produce given, desired properties, is only beginning to be addressed. Recently, several methods have emerged across disciplines that draw upon optimization and simulation to create computer programs that tailor material responses to specified behaviors. However, so far the methods developed either involve black-box techniques, in which the optimizer operates without explicit knowledge of the material's configuration space, or require carefully tuned algorithms with applicability limited to a narrow subclass of materials. Here we introduce a formalism that can generate optimizers automatically by extending statistical mechanics into the realm of design. The strength of this approach lies in its capability to transform statistical models that describe materials into optimizers to tailor them. By comparing against standard black-box optimization methods, we demonstrate how optimizers generated by this formalism can be faster and more effective, while remaining straightforward to implement. The scope of our approach includes possibilities for solving a variety of complex optimization and design problems concerning materials both in and out of equilibrium. C1 [Miskin, Marc Z.; Jaeger, Heinrich M.] Univ Chicago, James Franck Inst, Chicago, IL 60637 USA. [Miskin, Marc Z.; Jaeger, Heinrich M.] Univ Chicago, Dept Phys, Chicago, IL 60637 USA. [Khaira, Gurdaman; de Pablo, Juan J.] Univ Chicago, Inst Mol Engn, Chicago, IL 60637 USA. [de Pablo, Juan J.] Argonne Natl Lab, Inst Mol Engn, Lemont, IL 60439 USA. RP Miskin, MZ (reprint author), Univ Chicago, James Franck Inst, 5640 S Ellis Ave, Chicago, IL 60637 USA. EM m.miskin@gmail.com FU National Science Foundation [CBET 1334426]; US Department of Commerce, National Institute of Standards and Technology, Center for Hierarchical Materials Design (CHiMaD) [70NANB14H012] FX We thank Arvind Murugan, Jim Sethna, Sid Nagel, Suriyanarayanan Vaikuntanathan, and Tom Witten for many insightful discussions, and the reviewers for highly constructive suggestions. This work was supported by the National Science Foundation through Grant CBET 1334426. We acknowledge additional support through award 70NANB14H012 from the US Department of Commerce, National Institute of Standards and Technology as part of the Center for Hierarchical Materials Design (CHiMaD). NR 42 TC 3 Z9 3 U1 14 U2 35 PU NATL ACAD SCIENCES PI WASHINGTON PA 2101 CONSTITUTION AVE NW, WASHINGTON, DC 20418 USA SN 0027-8424 J9 P NATL ACAD SCI USA JI Proc. Natl. Acad. Sci. U. S. A. PD JAN 5 PY 2016 VL 113 IS 1 BP 34 EP 39 DI 10.1073/pnas.1509316112 PG 6 WC Multidisciplinary Sciences SC Science & Technology - Other Topics GA DA0XH UT WOS:000367520400028 PM 26684770 ER PT J AU Villaluenga, I Wujcik, KH Tong, W Devaux, D Wong, DHC DeSimone, JM Balsara, NP AF Villaluenga, Irune Wujcik, Kevin H. Tong, Wei Devaux, Didier Wong, Dominica H. C. DeSimone, Joseph M. Balsara, Nitash P. TI Compliant glass-polymer hybrid single ion-conducting electrolytes for lithium batteries SO PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA LA English DT Article DE hybrid electrolytes; inorganic sulfide glasses; fluorinated polymers; lithium batteries; lithium-sulfur batteries ID SULFUR BATTERIES; FAMILY AB Despite high ionic conductivities, current inorganic solid electrolytes cannot be used in lithium batteries because of a lack of compliance and adhesion to active particles in battery electrodes as they are discharged and charged. We have successfully developed a compliant, nonflammable, hybrid single ion-conducting electrolyte comprising inorganic sulfide glass particles covalently bonded to a perfluoropolyether polymer. The hybrid with 23 wt% perfluoropolyether exhibits low shear modulus relative to neat glass electrolytes, ionic conductivity of 10(-4) S/cm at room temperature, a cation transference number close to unity, and an electrochemical stability window up to 5 V relative to Li+/Li. X-ray absorption spectroscopy indicates that the hybrid electrolyte limits lithium polysulfide dissolution and is, thus, ideally suited for Li-S cells. Our work opens a previously unidentified route for developing compliant solid electrolytes that will address the challenges of lithium batteries. C1 [Villaluenga, Irune; Wujcik, Kevin H.; Tong, Wei; Devaux, Didier; Balsara, Nitash P.] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Energy Storage & Distributed Resources Div, Berkeley, CA 94720 USA. [Villaluenga, Irune; Wujcik, Kevin H.; Devaux, Didier; Balsara, Nitash P.] Univ Calif Berkeley, Dept Chem & Biomol Engn, Berkeley, CA 94720 USA. [Villaluenga, Irune; Devaux, Didier; Balsara, Nitash P.] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Joint Ctr Energy Storage Res, Berkeley, CA 94720 USA. [Wong, Dominica H. C.; DeSimone, Joseph M.] Univ N Carolina, Dept Chem, Chapel Hill, NC 27599 USA. [DeSimone, Joseph M.] N Carolina State Univ, Dept Chem & Biomol Engn, Raleigh, NC 27695 USA. [Balsara, Nitash P.] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Div Mat Sci, Berkeley, CA 94720 USA. RP DeSimone, JM (reprint author), Univ N Carolina, Dept Chem, CB 3290, Chapel Hill, NC 27599 USA. EM desimone@unc.edu; nbalsara@berkeley.edu FU Joint Center for Energy Storage Research, an Energy Innovation Hub - US Department of Energy (DOE), Office of Science, Basic Energy Sciences (BES); US DOE, Office of Science, Office of Basic Energy Sciences [DE-AC02-76SF00515]; Office of Science, Office of BES, of the US DOE [DE-AC02-05CH11231] FX We would like to thank Dunyang Wang for the preparation of SEO/Li2S8 membranes and Nicole S. Schauser for help with rheology measurements. This work was supported as part of the Joint Center for Energy Storage Research, an Energy Innovation Hub funded by the US Department of Energy (DOE), Office of Science, Basic Energy Sciences (BES). Use of the Stanford Synchrotron Radiation Lightsource, Stanford Linear Accelerator Center (SLAC) is supported by the US DOE, Office of Science, Office of Basic Energy Sciences under Contract no. DE-AC02-76SF00515. The Advanced Light Source is supported by the Director, Office of Science, Office of BES, of the US DOE under Contract no. DE-AC02-05CH11231. NR 17 TC 8 Z9 8 U1 28 U2 111 PU NATL ACAD SCIENCES PI WASHINGTON PA 2101 CONSTITUTION AVE NW, WASHINGTON, DC 20418 USA SN 0027-8424 J9 P NATL ACAD SCI USA JI Proc. Natl. Acad. Sci. U. S. A. PD JAN 5 PY 2016 VL 113 IS 1 BP 52 EP 57 DI 10.1073/pnas.1520394112 PG 6 WC Multidisciplinary Sciences SC Science & Technology - Other Topics GA DA0XH UT WOS:000367520400031 PM 26699512 ER PT J AU Robinson, JW Zhou, Y Bhattacharya, P Erck, R Qu, J Bays, JT Cosimbescu, L AF Robinson, Joshua W. Zhou, Yan Bhattacharya, Priyanka Erck, Robert Qu, Jun Bays, J. Timothy Cosimbescu, Lelia TI Probing the molecular design of hyper-branched aryl polyesters towards lubricant applications SO SCIENTIFIC REPORTS LA English DT Article ID HYPERBRANCHED POLYESTERS; POLYMERS; ARCHITECTURE; BEHAVIOR AB We report novel polymeric materials that may be used as viscosity index improvers (VII) for lubricant applications. Our efforts included probing the comb-burst hyper-branched aryl polyester architecture for beneficial viscosity and friction behavior when utilized as an additive in a group I oil. The monomer was designed as to undergo polymerization via polycondensation within the architectural construct (AB(2)), typical of hyperbranched polymers. The monomer design was comprised of aliphatic arms (12 or 16 methylenes) to provide the necessary lipophilicity to achieve solubility in a non-polar medium. Once polymerized, via catalyst and heat, the surface alcohols were functionalized with fatty acids (lauric and palmitic). Controlling the aliphatic nature of the internal arms and peripheral end-groups provided four unique flexible polymer designs. Changing the reaction time and concentration provided opportunities to investigate the influence of molecular weight and branching density on oil-solubility, viscosity, and friction. Oil-solubility was found to decrease with fewer internal carbons, but the number of internal carbons appears to have little influence on the bulk solution viscosity. At concentrations of 2 wt % in a group I base oil, these polymer additives demonstrated an improved viscosity index and reduced friction coefficient, validating the basic approach. C1 [Robinson, Joshua W.; Bhattacharya, Priyanka; Bays, J. Timothy; Cosimbescu, Lelia] Pacific NW Natl Lab, Richland, WA 99352 USA. [Zhou, Yan; Qu, Jun] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA. [Erck, Robert] Argonne Natl Lab, Lemont, IL 60439 USA. RP Cosimbescu, L (reprint author), Pacific NW Natl Lab, Richland, WA 99352 USA. EM lelia.cosimbescu@pnnl.gov OI Qu, Jun/0000-0001-9466-3179 FU Office of Vehicle Technology (VT) of the U.S. Department of Energy (US DOE) [27573]; Department of Energy's Office of Biological and Environmental Research; U.S. DOE [DE_AC06-76RLO 1830] FX This project was funded by the Office of Vehicle Technology (VT) of the U.S. Department of Energy (US DOE), (under contract No. 27573). A portion of this research was performed using EMSL, a national scientific user facility sponsored by the Department of Energy's Office of Biological and Environmental Research and located at Pacific Northwest National Laboratory. PNNL is proudly operated by Battelle for the U.S. DOE (under Contract DE_AC06-76RLO 1830). The authors cordially acknowledge contributions from Erin Baker (PNNL) for performing electrospray ionization mass spectrometry and helpful discussions with Ewa Bardasz (Energetics) and Bruce Bunting (Energetics). The authors would like to express their gratitude to David Gray (Evonik) and JoRuetta Ellington (Evonik) for their technical assistance and guidance throughout the project. We thank Afton Chemical for generously donating base oils for screening purposes. NR 26 TC 1 Z9 1 U1 7 U2 13 PU NATURE PUBLISHING GROUP PI LONDON PA MACMILLAN BUILDING, 4 CRINAN ST, LONDON N1 9XW, ENGLAND SN 2045-2322 J9 SCI REP-UK JI Sci Rep PD JAN 5 PY 2016 VL 6 AR 18624 DI 10.1038/srep18624 PG 10 WC Multidisciplinary Sciences SC Science & Technology - Other Topics GA DB1FW UT WOS:000368254500001 PM 26727881 ER PT J AU Ingargiola, A Laurence, T Boutelle, R Weiss, S Michalet, X AF Ingargiola, Antonino Laurence, Ted Boutelle, Robert Weiss, Shimon Michalet, Xavier TI Photon-HDF5: An Open File Format for Timestamp-Based Single-Molecule Fluorescence Experiments SO BIOPHYSICAL JOURNAL LA English DT Article ID CORRELATION SPECTROSCOPY; IDENTIFICATION; BIOMOLECULES; EXCITATION AB We introduce Photon-HDF5, an open and efficient file format to simplify exchange and long-term accessibility of data from single-molecule fluorescence experiments based on photon-counting detectors such as single-photon avalanche diode, photomultiplier tube, or arrays of such detectors. The format is based on HDF5, a widely used platform- and language-independent hierarchical file format for which user-friendly viewers are available. Photon-HDF5 can store raw photon data (timestamp, channel number, etc.) from any acquisition hardware, but also setup and sample description, information on provenance, authorship and other metadata, and is flexible enough to include any kind of custom data. The format specifications are hosted on a public website, which is open to contributions by the biophysics community. As an initial resource, the website provides code examples to read Photon-HDF5 files in several programming languages and a reference Python library (phconvert), to create new Photon-HDF5 files and convert several existing file formats into Photon-HDF5. To encourage adoption by the academic and commercial communities, all software is released under the MIT open source license. C1 [Ingargiola, Antonino; Boutelle, Robert; Weiss, Shimon; Michalet, Xavier] Univ Calif Los Angeles, Dept Chem & Biochem, Los Angeles, CA 90024 USA. [Laurence, Ted] Lawrence Livermore Natl Lab, Phys & Life Sci Directorate, Livermore, CA USA. RP Ingargiola, A (reprint author), Univ Calif Los Angeles, Dept Chem & Biochem, 405 Hilgard Ave, Los Angeles, CA 90024 USA. EM ingargiola.antonino@gmail.com RI Michalet, Xavier/A-9704-2009; OI Michalet, Xavier/0000-0001-6602-7693; Ingargiola, Antonino/0000-0002-9348-1397; weiss, shimon/0000-0002-0720-5426 FU National Institutes of Health (NIH) [R01-GM95904]; U.S. Department Energy (DOE) [DE-FC02-02ER63421-00]; U.S. Department of Energy by Lawrence Livermore National Laboratory [DE-AC52-07NA27344] FX This work was supported in part by National Institutes of Health (NIH) grant R01-GM95904 and by U.S. Department Energy (DOE) grant DE-FC02-02ER63421-00. Dr. Weiss discloses equity in Nesher Technologies and intellectual property used in the research reported here. The work at UCLA was conducted in Dr. Weiss's Laboratory. Dr. Laurence's work was performed under the auspices of the U.S. Department of Energy by Lawrence Livermore National Laboratory under contract DE-AC52-07NA27344. NR 32 TC 2 Z9 2 U1 1 U2 10 PU CELL PRESS PI CAMBRIDGE PA 600 TECHNOLOGY SQUARE, 5TH FLOOR, CAMBRIDGE, MA 02139 USA SN 0006-3495 EI 1542-0086 J9 BIOPHYS J JI Biophys. J. PD JAN 5 PY 2016 VL 110 IS 1 BP 26 EP 33 DI 10.1016/j.bpj.2015.11.013 PG 8 WC Biophysics SC Biophysics GA DA4QD UT WOS:000367783900019 PM 26745406 ER PT J AU Lau, EY Berkowitz, ML Schwegler, E AF Lau, Edmond Y. Berkowitz, Max L. Schwegler, Eric TI Shock Wave-Induced Damage of a Protein by Void Collapse SO BIOPHYSICAL JOURNAL LA English DT Article ID MOLECULAR-DYNAMICS SIMULATIONS; TRAUMATIC BRAIN-INJURY; GATED ION CHANNELS; FORCE-FIELD; POTASSIUM CHANNELS; CRYSTAL-STRUCTURE; DENATURED STATES; SODIUM-CHANNELS; LIPID-BILAYERS; K+ CHANNEL AB In this study, we report on a series of molecular dynamics simulations that were used to examine the effects of shock waves on a membrane-bound ion channel. A planar shock wave was found to compress the ion channel upon impact, but the protein geometry resembles the crystal structure as soon as the solvent density begins to dissipate. When a void was placed in close proximity to the membrane, the shock wave proved to be more destructive to the protein due to formation of a nanojet that results from the asymmetric collapse of the void. The nanojet was able to cause significant structural changes to the protein even at low piston velocities that are not able to directly cause poration of the membrane. C1 [Lau, Edmond Y.; Schwegler, Eric] Lawrence Livermore Natl Lab, Phys & Life Sci Directorate, Livermore, CA 94550 USA. [Berkowitz, Max L.] Univ N Carolina, Dept Chem, Chapel Hill, NC USA. RP Lau, EY (reprint author), Lawrence Livermore Natl Lab, Phys & Life Sci Directorate, Livermore, CA 94550 USA. EM lau12@llnl.gov FU Office of Naval Research [N00014151P00020]; U.S. Department of Energy by Lawrence Livermore National Laboratory [DE-AC52-07NA27344] FX This work was funded by a grant from the Office of Naval Research (N00014151P00020) and was performed under the auspices of the U.S. Department of Energy by Lawrence Livermore National Laboratory under contract DE-AC52-07NA27344. Computing support for this work came from the Lawrence Livermore National Laboratory (LLNL) Institutional Computing Grand Challenge program. NR 62 TC 3 Z9 3 U1 2 U2 6 PU CELL PRESS PI CAMBRIDGE PA 600 TECHNOLOGY SQUARE, 5TH FLOOR, CAMBRIDGE, MA 02139 USA SN 0006-3495 EI 1542-0086 J9 BIOPHYS J JI Biophys. J. PD JAN 5 PY 2016 VL 110 IS 1 BP 147 EP 156 DI 10.1016/j.bpj.2015.11.030 PG 10 WC Biophysics SC Biophysics GA DA4QD UT WOS:000367783900008 PM 26745418 ER PT J AU Hanson, JM Gettel, DL Tabaei, SR Jackman, J Kim, MC Sasaki, DY Groves, JT Liedberg, B Cho, NJ Parikh, AN AF Hanson, Joshua M. Gettel, Douglas L. Tabaei, Seyed R. Jackman, Joshua Kim, Min Chul Sasaki, Darryl Y. Groves, Jay T. Liedberg, Bo Cho, Nam-Joon Parikh, Atul N. TI Cholesterol-Enriched Domain Formation Induced by Viral-Encoded, Membrane-Active Amphipathic Peptide SO BIOPHYSICAL JOURNAL LA English DT Article ID HEPATITIS-C VIRUS; BILAYER-MEMBRANES; DELTA-LYSIN; BIOLOGICAL-MEMBRANES; ENVELOPED VIRUSES; LIPID-COMPOSITION; CELL-MEMBRANES; REPLICATION; FUSION; VESICLES AB The alpha-helical (AH) domain of the hepatitis C virus nonstructural protein NS5A, anchored at the cytoplasmic leaflet of the endoplasmic reticulum, plays a role in viral replication. However, the peptides derived from this domain also exhibit remarkably broad-spectrum virocidal activity, raising questions about their modes of membrane association. Here, using giant lipid vesicles, we show that the AH peptide discriminates between membrane compositions. In cholesterol-containing membranes, peptide binding induces microdomain formation. By contrast, cholesterol-depleted membranes undergo global softening at elevated peptide concentrations. Furthermore, in mixed populations, the presence of similar to 100 nm vesicles of viral dimensions suppresses these peptide-induced perturbations in giant unilamellar vesicles, suggesting size-dependent membrane association. These synergistic composition- and size-dependent interactions explain, in part, how the AH domain might on the one hand segregate molecules needed for viral assembly and on the other hand furnish peptides that exhibit broad-spectrum virocidal activity. C1 [Hanson, Joshua M.; Parikh, Atul N.] Univ Calif Davis, Biophys Grad Grp, Davis, CA 95616 USA. [Gettel, Douglas L.; Parikh, Atul N.] Univ Calif Davis, Dept Chem Engn & Mat Sci, Davis, CA 95616 USA. [Tabaei, Seyed R.; Jackman, Joshua; Kim, Min Chul; Liedberg, Bo; Cho, Nam-Joon; Parikh, Atul N.] Nanyang Technol Univ, Ctr Biomimet Sensor Sci, Singapore 639798, Singapore. [Tabaei, Seyed R.; Jackman, Joshua; Kim, Min Chul; Liedberg, Bo; Cho, Nam-Joon; Parikh, Atul N.] Nanyang Technol Univ, Sch Mat Sci & Engn, Singapore 639798, Singapore. [Sasaki, Darryl Y.] Sandia Natl Labs, Biotechnol & Bioengn Dept, Livermore, CA USA. [Groves, Jay T.] Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA. [Groves, Jay T.] Natl Univ Singapore, Mechanobiol Inst, Singapore 117548, Singapore. [Cho, Nam-Joon] Nanyang Technol Univ, Sch Chem & Biomed Engn, Singapore 639798, Singapore. [Parikh, Atul N.] Univ Calif Davis, Dept Biomed Engn, Davis, CA 95616 USA. RP Parikh, AN (reprint author), Univ Calif Davis, Biophys Grad Grp, Davis, CA 95616 USA. EM anparikh@ucdavis.edu RI PARIKH, ATUL/D-2243-2014; Cho, Nam-Joon/J-7816-2012; Liedberg, Bo/N-6093-2014; OI PARIKH, ATUL/0000-0002-5927-4968; Cho, Nam-Joon/0000-0002-8692-8955; Tabaei, Seyed/0000-0002-2857-786X; Jackman, Joshua/0000-0002-1800-8102 FU Biomolecular Materials Program, Division of Materials Science and Engineering, Basic Energy Sciences, U.S. Department of Energy [DE-FG02-04ER46173]; National Research Foundation [NRFF2011-01]; National Medical Research Council [NMRC/CBRG/0005/2012]; Nanyang Technological University through the Centre for Biomimetic Sensor Science; Materials Science and Engineering Division, Office of Basic Energy Sciences, U.S. Department of Energy [KC0203010]; U.S. Department of Energy's National Nuclear Security Administration [DE-AC04-94AL85000]; Training Program in Biomolecular Technology at the University of California, Davis [T32-GM008799] FX This work was supported by a grant from the Biomolecular Materials Program, Division of Materials Science and Engineering, Basic Energy Sciences, U.S. Department of Energy under award No. DE-FG02-04ER46173 (A.N.P.). N.J.C. received support from the National Research Foundation (NRFF2011-01) and the National Medical Research Council (NMRC/CBRG/0005/2012). N.-J.C., A.N.P., and B.L. received additional support from Nanyang Technological University through the Centre for Biomimetic Sensor Science. D.Y.S. was supported by the Materials Science and Engineering Division, Office of Basic Energy Sciences, U.S. Department of Energy (KC0203010). Sandia National Laboratories is a multiprogram laboratory managed and operated by Sandia Corporation, a wholly owned subsidiary of Lockheed Martin Corporation, for the U.S. Department of Energy's National Nuclear Security Administration under contract DE-AC04-94AL85000. D.L.G. was partially supported by an industry/campus-supported fellowship under the Training Program in Biomolecular Technology (T32-GM008799) at the University of California, Davis. Spinning-disk confocal fluorescence microscopy experiments were performed at the Molecular & Cell Biology Imaging Facility at UC Davis. NR 63 TC 2 Z9 2 U1 1 U2 16 PU CELL PRESS PI CAMBRIDGE PA 600 TECHNOLOGY SQUARE, 5TH FLOOR, CAMBRIDGE, MA 02139 USA SN 0006-3495 EI 1542-0086 J9 BIOPHYS J JI Biophys. J. PD JAN 5 PY 2016 VL 110 IS 1 BP 176 EP 187 DI 10.1016/j.bpj.2015.11.032 PG 12 WC Biophysics SC Biophysics GA DA4QD UT WOS:000367783900010 PM 26745420 ER PT J AU Henning, B Lu, XC Murayama, H AF Henning, Brian Lu, Xiaochuan Murayama, Hitoshi TI How to use the Standard Model effective field theory SO JOURNAL OF HIGH ENERGY PHYSICS LA English DT Article DE Effective field theories; Beyond Standard Model; Gauge Symmetry ID ELECTROWEAK SYMMETRY-BREAKING; HIGGS-BOSON; OBLIQUE PARAMETERS; MASS; LHC; COUPLINGS; EXPANSION; SECTOR; FIT AB We present a practical three-step procedure of using the Standard Model effective field theory (SM EFT) to connect ultraviolet (UV) models of new physics with weak scale precision observables. With this procedure, one can interpret precision measurements as constraints on a given UV model. We give a detailed explanation for calculating the effective action up to one-loop order in a manifestly gauge covariant fashion. This covariant derivative expansion method dramatically simplifies the process of matching a UV model with the SM EFT, and also makes available a universal formalism that is easy to use for a variety of UV models. A few general aspects of RG running effects and choosing operator bases are discussed. Finally, we provide mapping results between the bosonic sector of the SM EFT and a complete set of precision electroweak and Higgs observables to which present and near future experiments are sensitive. Many results and tools which should prove useful to those wishing to use the SM EFT are detailed in several appendices. C1 [Henning, Brian; Lu, Xiaochuan; Murayama, Hitoshi] Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA. [Henning, Brian; Lu, Xiaochuan; Murayama, Hitoshi] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Theoret Phys Grp, Berkeley, CA 94720 USA. [Murayama, Hitoshi] Univ Tokyo, Kavli Inst Phys & Math Universe WPI, Todai Inst Adv Study, Kashiwa, Chiba 2778583, Japan. RP Henning, B (reprint author), Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA. EM bhenning@berkeley.edu; luxiaochuan123456@berkeley.edu; hitoshi@berkeley.edu FU Brantley-Tuttle fellowship; U.S. DOE [DE-AC03-76SF00098]; NSF [PHY-1002399, PHY-1316783]; JSPS [23540289]; WPI, MEXT, Japan FX We thank Sally Dawson and Matthew McCullough for useful discussions. BH is grateful to the Brantley-Tuttle fellowship for support while this work was completed. This work was supported by the U.S. DOE under Contract DE-AC03-76SF00098, by the NSF under grants PHY-1002399 and PHY-1316783. HM was also supported by the JSPS grant (C) 23540289, and by WPI, MEXT, Japan. NR 94 TC 23 Z9 23 U1 2 U2 3 PU SPRINGER PI NEW YORK PA 233 SPRING ST, NEW YORK, NY 10013 USA SN 1029-8479 J9 J HIGH ENERGY PHYS JI J. High Energy Phys. PD JAN 5 PY 2016 IS 1 AR 023 DI 10.1007/JHEP01(2016)023 PG 97 WC Physics, Particles & Fields SC Physics GA DA4CU UT WOS:000367748500001 ER PT J AU Singh, A Moody, G Tran, K Scott, ME Overbeck, V Berghauser, G Schaibley, J Seifert, EJ Pleskot, D Gabor, NM Yan, JQ Mandrus, DG Richter, M Malic, E Xu, XD Li, XQ AF Singh, Akshay Moody, Galan Tran, Kha Scott, Marie E. Overbeck, Vincent Berghaeuser, Gunnar Schaibley, John Seifert, Edward J. Pleskot, Dennis Gabor, Nathaniel M. Yan, Jiaqiang Mandrus, David G. Richter, Marten Malic, Ermin Xu, Xiaodong Li, Xiaoqin TI Trion formation dynamics in monolayer transition metal dichalcogenides SO PHYSICAL REVIEW B LA English DT Article ID NEGATIVELY CHARGED EXCITONS; QUANTUM-WELLS; RECOMBINATION DYNAMICS; BINDING-ENERGY; MONO LAYER; MOS2; SEMICONDUCTORS; WSE2; PHOTOLUMINESCENCE; SPECTROSCOPY AB We report charged exciton (trion) formation dynamics in doped monolayer transition metal dichalcogenides, specifically molybdenum diselenide (MoSe2), using resonant two-color pump-probe spectroscopy. When resonantly pumping the exciton transition, trions are generated on a picosecond time scale through exciton-electron interaction. As the pump energy is tuned from the high energy to low energy side of the inhomogeneously broadened exciton resonance, the trion formation time increases by similar to 50%. This feature can be explained by the existence of both localized and delocalized excitons in a disordered potential and suggests the existence of an exciton mobility edge in transition metal dichalcogenides. C1 [Singh, Akshay; Moody, Galan; Tran, Kha; Seifert, Edward J.; Li, Xiaoqin] Univ Texas Austin, Dept Phys, Austin, TX 78712 USA. [Scott, Marie E.; Schaibley, John; Xu, Xiaodong] Univ Washington, Dept Phys, Seattle, WA 98195 USA. [Overbeck, Vincent; Berghaeuser, Gunnar; Richter, Marten] Tech Univ Berlin, Inst Theoret Phys Nichtlineare Opt & Quantenelekt, D-10623 Berlin, Germany. [Pleskot, Dennis; Gabor, Nathaniel M.] Univ Calif Riverside, Dept Phys & Astron, Riverside, CA 92521 USA. [Yan, Jiaqiang; Mandrus, David G.] Oak Ridge Natl Lab, Mat Sci & Technol Div, Oak Ridge, TN 37831 USA. [Yan, Jiaqiang; Mandrus, David G.] Univ Tennessee, Dept Mat Sci & Engn, Knoxville, TN 37996 USA. [Mandrus, David G.] Univ Tennessee, Dept Phys & Astron, Knoxville, TN 37996 USA. [Malic, Ermin] Chalmers, Dept Appl Phys, S-41258 Gothenburg, Sweden. [Xu, Xiaodong] Univ Washington, Dept Mat Sci & Engn, Seattle, WA 98195 USA. RP Singh, A (reprint author), Univ Texas Austin, Dept Phys, Austin, TX 78712 USA. EM elaineli@physics.utexas.edu RI Richter, Marten/B-7790-2008 OI Richter, Marten/0000-0003-4160-1008 FU ARO [W911NF-15-1-0088]; AFOSR [FA9550-10-1-0022]; NSF [DMR-1306878]; SHINES, an Energy Frontier Research Center - U.S. Department of Energy (DOE), Office of Science, Basic Energy Science (BES) [DE-SC0012670]; SHINES; U.S. DOE, BES, Materials Sciences and Engineering Division [DE-SC0008145]; EU [CNECT-ICT-604391]; Humboldt fellowship FX The spectroscopic experiments performed by A.S. were supported jointly through ARO W911NF-15-1-0088 and AFOSR FA9550-10-1-0022. The work by E.J.S. was supported by NSF DMR-1306878. The collaboration on sample preparation between UT-Austin and UC-Riverside was supported as part of the SHINES, an Energy Frontier Research Center funded by the U.S. Department of Energy (DOE), Office of Science, Basic Energy Science (BES) under Award No. DE-SC0012670. K.T., X.L., D.P., and N.M.G. have received support from the SHINES. The UW team supported by U.S. DOE, BES, Materials Sciences and Engineering Division (DE-SC0008145) prepared samples and contributed to the interpretation of spectroscopic data. The samples were provided by J.Y. and D.G.M. at ORNL with support by U.S. DOE, Office of Basic Energy Sciences, Materials Sciences and Engineering Division. E.M. acknowledges funding from the EU Graphene Flagship (CNECT-ICT-604391). X.L. also acknowledges the support from a Humboldt fellowship, which facilitated the collaboration on theoretical studies performed by V.O., G.B., M.R., and E.M. NR 48 TC 18 Z9 18 U1 28 U2 68 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 1098-0121 EI 1550-235X J9 PHYS REV B JI Phys. Rev. B PD JAN 5 PY 2016 VL 93 IS 4 AR 041401 DI 10.1103/PhysRevB.93.041401 PG 5 WC Physics, Condensed Matter SC Physics GA DA2ZG UT WOS:000367665100001 ER PT J AU Lang, T van Hees, H Inghirami, G Steinheimer, J Bleicher, M AF Lang, Thomas van Hees, Hendrik Inghirami, Gabriele Steinheimer, Jan Bleicher, Marcus TI Heavy quark transport in heavy ion collisions at energies available at the BNL Relativistic Heavy Ion Collider and at the CERN Large Hadron Collider within the UrQMD hybrid model SO PHYSICAL REVIEW C LA English DT Article ID PLUS PB COLLISIONS; GLUON PLASMA; FLAVOR SUPPRESSION; PHASE-TRANSITION; HYDRODYNAMICS; MATTER; QGP; COLLABORATION; ANNIHILATION; OBSERVABLES AB We implement a Langevin approach for the transport of heavy quarks in the ultrarelativistic quantum molecular dynamics (UrQMD) hybrid model, which uses the transport model UrQMD to determine realistic initial conditions for the hydrodynamical evolution of quark gluon plasma and heavy charm and bottom quarks. It provides a realistic description of the background medium for the evolution of relativistic heavy ion collisions. The diffusion of heavy quarks is simulated with a relativistic Langevin approach, using two sets of drag and diffusion coefficients, one based on a T-matrix approach and one based on a resonance model for elastic scattering of heavy quarks within the medium. In the case of the resonance model we investigate the effects of different decoupling temperatures of heavy quarks from the medium, ranging between 130 and 180 MeV. We present calculations of the nuclear modification factor R-AA, as well as of the elliptic flow v2 in Au + Au collisions at root sNN = 200 GeV and Pb + Pb collisions at root sNN = 2.76 TeV. To make our results comparable to experimental data at the Relativistic Heavy Ion Collider (RHIC) and Large Hadron Collider (LHC), we implement a Peterson fragmentation and a quark coalescence approach followed by semileptonic decay of the D and B mesons to electrons. We find that our results strongly depend on the decoupling temperature and the hadronization mechanism. At a decoupling temperature of 130 MeV we reach a good agreement with the measurements at both the RHIC and the LHC energies simultaneously for the elliptic flow v2 and the nuclear modification factor R-AA. C1 [Lang, Thomas; van Hees, Hendrik; Inghirami, Gabriele; Steinheimer, Jan; Bleicher, Marcus] FIAS, D-60438 Frankfurt, Germany. [van Hees, Hendrik; Inghirami, Gabriele; Steinheimer, Jan; Bleicher, Marcus] Goethe Univ Frankfurt, Inst Theoret Phys, D-60438 Frankfurt, Germany. [Steinheimer, Jan] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA. RP Lang, T (reprint author), FIAS, Ruth Moufang Str 1, D-60438 Frankfurt, Germany. EM inghirami@fias.uni-frankfurt.de FU Helmholtz Research School on Quark Matter Studies; Helmholtz Graduate School for Hadron and Ion Research; Hessian LOEWE initiative through the Helmholtz International Center for FAIR (HIC for FAIR); Alexander von Humboldt Foundation; Office of Nuclear Physics, U.S. Department of Energy'sOffice of Science [DE-AC02-05CH11231]; Bundesministerium fur Bildung und Forschung (BMBF) [06FY7083] FX The authors thank P. B. Gossiaux, M. Nahrgang, and J. Aichelin for provision of the set of drag and diffusion coefficients derived by the Nantes group and H. Petersen for useful discussions about the simulations with averaged initial conditions. T. Lang and G. Inghirami gratefully acknowledge support from the Helmholtz Research School on Quark Matter Studies and from the Helmholtz Graduate School for Hadron and Ion Research. This work was supported by the Hessian LOEWE initiative through the Helmholtz International Center for FAIR (HIC for FAIR). J.S. acknowledges a Feodor Lynen fellowship from the Alexander von Humboldt Foundation. This work was supported by the Office of Nuclear Physics, U.S. Department of Energy'sOffice of Science, under Contract No. DE-AC02-05CH11231 and the Bundesministerium fur Bildung und Forschung (BMBF) under Grant No. 06FY7083. Computational resources were provided by the Frankfurt LOEWE Center for Scientific Computing (LOEWE-CSC). NR 65 TC 5 Z9 5 U1 0 U2 2 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 0556-2813 EI 1089-490X J9 PHYS REV C JI Phys. Rev. C PD JAN 5 PY 2016 VL 93 IS 1 AR 014901 DI 10.1103/PhysRevC.93.014901 PG 16 WC Physics, Nuclear SC Physics GA DA3AL UT WOS:000367668200005 ER PT J AU Massarczyk, R Schramm, G Belgya, T Schwengner, R Beyer, R Bemmerer, D Elekes, Z Grosse, E Hannaske, R Junghans, AR Kis, Z Kogler, T Lorenz, C Schmidt, K Szentmiklosi, L Wagner, A Weil, JL AF Massarczyk, R. Schramm, G. Belgya, T. Schwengner, R. Beyer, R. Bemmerer, D. Elekes, Z. Grosse, E. Hannaske, R. Junghans, A. R. Kis, Z. Koegler, T. Lorenz, C. Schmidt, K. Szentmiklosi, L. Wagner, A. Weil, J. L. TI Role of electric and magnetic dipole strength functions in the Cd-114(gamma,gamma ') and Cd-113(n,gamma.) reactions SO PHYSICAL REVIEW C LA English DT Article ID NUCLEI; RESONANCE; CD-114; WIDTH; LIGHT AB The distribution of the electromagnetic dipole strength below the neutron separation energy and its influence on the photon distribution after neutron capture were investigated in two experiments for the compound nucleus Cd-114. By measuring the photoabsorption cross section at the bremsstrahlung facility. gamma ELBE at Helmholtz-Zentrum Dresden-Rossendorf it was possible to deduce the distribution of dipole strength below the neutron separation energy. The de-excitation spectrum after cold-neutron capture in Cd-113 was measured at the Budapest Neutron Center. In a combined analysis, the experimentally deduced spectra after photon scattering on Cd-114 and the neutron capture in Cd-113 were analyzed in terms of electric and magnetic strength functions and nuclear level density with the help of the statistical code. gamma DEX. C1 [Massarczyk, R.; Schwengner, R.; Beyer, R.; Bemmerer, D.; Elekes, Z.; Grosse, E.; Hannaske, R.; Junghans, A. R.; Koegler, T.; Lorenz, C.; Schmidt, K.; Wagner, A.] Helmholtz Zentrum Dresden Rossendorf, Inst Radiat Phys, D-01328 Dresden, Germany. [Massarczyk, R.; Schramm, G.; Grosse, E.; Hannaske, R.; Koegler, T.; Schmidt, K.] Tech Univ Dresden, Inst Nucl & Particle Phys, D-01062 Dresden, Germany. [Schramm, G.] Helmholtz Zentrum Dresden Rossendorf, Inst Radiopharm, D-01328 Dresden, Germany. [Belgya, T.; Kis, Z.; Szentmiklosi, L.; Weil, J. L.] Hungarian Acad Sci, Ctr Energy Res, H-1525 Budapest 114, Hungary. RP Massarczyk, R (reprint author), Los Alamos Natl Lab, Div Phys, Los Alamos, NM 87545 USA. RI Wagner, Andreas/G-3127-2013; Bemmerer, Daniel/C-9092-2013; Junghans, Arnd/D-4596-2012; Szentmiklosi, Laszlo/F-5362-2015 OI Wagner, Andreas/0000-0001-7575-3961; Bemmerer, Daniel/0000-0003-0470-8367; Szentmiklosi, Laszlo/0000-0001-7747-8545 FU EURATOM FP7 project ERINDA [FP7-269499]; Hungarian project OMFB [00184/2006NAPVENEUS05]; German BMBF project TRAKULA [02NUK013A] FX We thank the staffs of the ELBE accelerator and the Budapest Research Reactor for their cooperation during the experiments and A. Hartmann for the technical assistance. Also we thank A.C. Larsen for helpful discussions. Both experiments were supported in part by the EURATOM FP7 project ERINDA (FP7-269499), the Hungarian project OMFB 00184/2006NAPVENEUS05, and the German BMBF project TRAKULA (02NUK013A). NR 36 TC 3 Z9 3 U1 4 U2 12 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 0556-2813 EI 1089-490X J9 PHYS REV C JI Phys. Rev. C PD JAN 5 PY 2016 VL 93 IS 1 AR 014301 DI 10.1103/PhysRevC.93.014301 PG 8 WC Physics, Nuclear SC Physics GA DA3AL UT WOS:000367668200001 ER PT J AU Jimenez-Delgado, P Hobbs, TJ Londergan, JT Melnitchouk, W AF Jimenez-Delgado, P. Hobbs, T. J. Londergan, J. T. Melnitchouk, W. TI Comment on "New Limits on Intrinsic Charm in the Nucleon from Global Analysis of Parton Distributions" Reply SO PHYSICAL REVIEW LETTERS LA English DT Editorial Material ID DEUTERON STRUCTURE FUNCTIONS; PROTON; SCATTERING C1 [Jimenez-Delgado, P.; Melnitchouk, W.] Jefferson Lab, Newport News, VA 23606 USA. [Hobbs, T. J.] Univ Washington, Dept Phys, Seattle, WA 98195 USA. [Londergan, J. T.] Indiana Univ, Dept Phys, Bloomington, IN 47405 USA. [Londergan, J. T.] Indiana Univ, Ctr Explorat Energy & Matter, Bloomington, IN 47405 USA. RP Jimenez-Delgado, P (reprint author), Jefferson Lab, 12000 Jefferson Ave, Newport News, VA 23606 USA. NR 18 TC 2 Z9 2 U1 0 U2 1 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 0031-9007 EI 1079-7114 J9 PHYS REV LETT JI Phys. Rev. Lett. PD JAN 5 PY 2016 VL 116 IS 1 AR 019102 DI 10.1103/PhysRevLett.116.019102 PG 2 WC Physics, Multidisciplinary SC Physics GA DA3DR UT WOS:000367677300009 PM 26799048 ER PT J AU Yu, C Liu, ZY Liu, YN Shao, Y Ren, Y Cui, LS AF Yu, Cun Liu, Zhenyang Liu, Yinong Shao, Yang Ren, Yang Cui, Lishan TI Load transfer in phase transforming matrix-nanowire composite revealing the significant load carrying capacity of the nanowires SO MATERIALS & DESIGN LA English DT Article DE Composite; NiTi; Shape memory alloy; Martensitic transformation; Nanowire ID INDUCED MARTENSITIC-TRANSFORMATION; SHAPE-MEMORY ALLOY; MECHANICAL-PROPERTIES; HIGH-STRENGTH; NEUTRON-DIFFRACTION; ULTRAHIGH STRENGTH; ELASTIC STRAIN; NI-ALLOY; DEFORMATION; MICROSTRUCTURE AB This paper reports a study of an in-situ composite of NiTi matrix and aligned Nb nanowires. The design strategy of the composite was to further explore the load carrying capacity of the nanowire-reinforcements in composite. This composite system offered a unique condition of load sharing between the two components in which the NiTi matrix deforms via discrete (discontinuous), instantaneous and intrinsic lattice distortion through stress-induced martensitic transformation (SIMT) and the Nb nanowires deform via elastic deformation. This study investigated the mechanism of load sharing between the embedded Nb nanowires and the NiTi matrix by means of in-situ synchrotron diffraction analysis. It was found that significant load transfer from the matrix to the nanowires occurred when the NiTi matrix underwent stress-induced B2-B19' martensitic transformation and the nanowires deformed largely by elastic deformation. The embedded Nb nanowires, with a volume fraction of 25%, were revealed capable of carrying at maximally 70% of the applied load at the completion of SIMT of NiTi matrix, and were capable of carrying more than 55% of the applied load at the terminal of deformation. (C) 2015 Elsevier Ltd. All rights reserved. C1 [Yu, Cun; Liu, Zhenyang; Shao, Yang; Cui, Lishan] China Univ Petr, Dept Mat Sci & Engn, Beijing 102249, Peoples R China. [Liu, Zhenyang] Beijing Gen Res Inst Min & Met, Beijing 100160, Peoples R China. [Liu, Yinong] Univ Western Australia, Sch Mech & Chem Engn, Crawley, WA 6009, Australia. [Ren, Yang] Argon Natl Lab, Xray Sci Div, Argonne, IL 60439 USA. RP Liu, YN (reprint author), Univ Western Australia, Sch Mech & Chem Engn, Crawley, WA 6009, Australia. EM yinong.liu@uwa.edu.au; lscui@cup.edu.cn OI , Cun/0000-0002-2822-2583 FU National Natural Science Foundation of China (NSFC) [51231008]; Australian Research Council [DP140103805]; National 973 Programs of China [2012CB619403]; Chinese Ministry of Education [313055] FX This work is supported by the National Natural Science Foundation of China (NSFC) in key program project (51231008), Australian Research Council (Grant No. DP140103805), the National 973 Programs of China (2012CB619403) and the Key Project of Chinese Ministry of Education (313055). NR 34 TC 3 Z9 3 U1 4 U2 16 PU ELSEVIER SCI LTD PI OXFORD PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, OXON, ENGLAND SN 0261-3069 EI 1873-4197 J9 MATER DESIGN JI Mater. Des. PD JAN 5 PY 2016 VL 89 BP 721 EP 726 DI 10.1016/j.matdes.2015.10.029 PG 6 WC Materials Science, Multidisciplinary SC Materials Science GA CY2FW UT WOS:000366225200084 ER PT J AU Barrows, W Dingreville, R Spearot, D AF Barrows, Wesley Dingreville, Remi Spearot, Douglas TI Traction-separation relationships for hydrogen induced grain boundary embrittlement in nickel via molecular dynamics simulations SO MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING LA English DT Article DE Hydrogen embrittlement; Grain boundaries; Fracture; Molecular dynamics ID STRESS-CORROSION CRACKING; ENHANCED LOCALIZED PLASTICITY; ASSISTED CRACKING; INTERFACIAL DECOHESION; INTERGRANULAR FRACTURE; BETA-TITANIUM; MODEL; DISLOCATION; MECHANISMS; METALS AB A statistical approach combined with molecular dynamics simulations is used to study the influence of hydrogen on intergranular decohesion. This methodology is applied to a Ni Sigma 3(112)[1 (1) over bar0] symmetric tilt grain boundary. Hydrogenated grain boundaries with different H concentrations are constructed using an energy minimization technique with initial H atom positions guided by Monte Carlo simulation results. Decohesion behavior is assessed through extraction of a traction-separation relationship during steady-state crack propagation in a statistically meaningful approach, building upon prior work employing atomistic cohesive zone volume elements (CZVEs). A sensitivity analysis is performed on the numerical approach used to extract the traction-separation relationships, clarifying the role of CZVE size, threshold parameters necessary to differentiate elastic and decohesion responses, and the numerical averaging technique. Results show that increasing H coverage at the Ni Sigma 3(112)[1 (1) over bar0] grain boundary asymmetrically influences the crack tip velocity during propagation, leads to a general decrease in the work of separation required for crack propagation, and provides a reduction in the peak stress in the extracted traction-separation relationship. The present framework offers a meaningful vehicle to pass atomistically derived interfacial behavior to higher length scale formulations for intergranular fracture. (C) 2015 Elsevier B.V. All rights reserved. C1 [Barrows, Wesley; Spearot, Douglas] Univ Arkansas, Dept Mech Engn, Fayetteville, AR 72701 USA. [Dingreville, Remi] Sandia Natl Labs, Albuquerque, NM 87185 USA. RP Spearot, D (reprint author), Univ Florida, Dept Mech & Aerosp Engn, POB 116250, Gainesville, FL 32611 USA. EM dspearot@ufl.edu OI Dingreville, Remi/0000-0003-1613-695X FU Laboratory Directed Research and Development program at Sandia National Laboratories; U.S. Department of Energy's National Nuclear Security Administration [DE-AC04-94AL85000]; National Science Foundation [0722625, 0959124, 0918970] FX Supported by the Laboratory Directed Research and Development program at Sandia National Laboratories, a multi-program laboratory managed and operated by Sandia Corporation, a wholly owned subsidiary of Lockheed Martin Corporation, for the U.S. Department of Energy's National Nuclear Security Administration under contract DE-AC04-94AL85000. Simulations were performance on the Arkansas High Performance Computing Center, supported in part by the National Science Foundation under grants MRI #0722625, MRI-R2 #0959124, and #0918970. NR 54 TC 4 Z9 5 U1 5 U2 32 PU ELSEVIER SCIENCE SA PI LAUSANNE PA PO BOX 564, 1001 LAUSANNE, SWITZERLAND SN 0921-5093 EI 1873-4936 J9 MAT SCI ENG A-STRUCT JI Mater. Sci. Eng. A-Struct. Mater. Prop. Microstruct. Process. PD JAN 5 PY 2016 VL 650 BP 354 EP 364 DI 10.1016/j.msea.2015.10.042 PG 11 WC Nanoscience & Nanotechnology; Materials Science, Multidisciplinary; Metallurgy & Metallurgical Engineering SC Science & Technology - Other Topics; Materials Science; Metallurgy & Metallurgical Engineering GA CY0DQ UT WOS:000366076900043 ER PT J AU Yu, N Zhang, H Davidson, SD Sun, JM Wang, Y AF Yu, Ning Zhang, He Davidson, Stephen D. Sun, Junming Wang, Yong TI Effect of ZnO facet on ethanol steam reforming over Co/ZnO SO CATALYSIS COMMUNICATIONS LA English DT Article DE Ethanol steam reforming; Cobalt; ZnO; Facet; Water gas shift ID SUPPORTED COBALT CATALYSTS; HYDROGEN-PRODUCTION; CO; NANOPARTICLES; MORPHOLOGY; MECHANISM AB The effects of ZnO facets on ethanol steam reforming (ESR) were investigated over Co/ZnO catalysts synthesized using ZnO with different fractions of (10-10) non-polar facet. Co supported on ZnO with a higher fraction of (10-10) non-polar facet shows higher C-C cleavage activity and higher selectivity to CO2 (lower selectivity to CO) compared with Co supported on ZnO with less (10-10) non-polar facet exposed. The improved ethanol steam reforming performances are attributed to the high fraction of metallic Co stabilized by the ZnO (10-10) non-polar facet, which enhanced C-C cleavage and water-gas-shift (WGS) activities. (C) 2015 Published by Elsevier B.V. C1 [Yu, Ning; Zhang, He; Davidson, Stephen D.; Sun, Junming; Wang, Yong] Washington State Univ, Gene & Linda Voiland Sch Chem Engn & Bioengn, Pullman, WA 99164 USA. [Wang, Yong] Pacific NW Natl Lab, Inst Integrated Catalysis, Richland, WA 99352 USA. RP Sun, JM (reprint author), Washington State Univ, Gene & Linda Voiland Sch Chem Engn & Bioengn, Pullman, WA 99164 USA. EM junming.sun@wsu.edu; yong.wang@pnnl.gov RI Sun, Junming/B-3019-2011 OI Sun, Junming/0000-0002-0071-9635 FU US Department of Energy, Office of Basic Energy Sciences [DE-FG02-05ER15712] FX We acknowledge the US Department of Energy, Office of Basic Energy Sciences (DE-FG02-05ER15712) for the financial support, the WSU Franceschi Microscopy Center and Dr. Knoblauch for the use of the TEM and Zizwe Chase for the use of XRD. NR 31 TC 6 Z9 6 U1 10 U2 44 PU ELSEVIER SCIENCE BV PI AMSTERDAM PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS SN 1566-7367 EI 1873-3905 J9 CATAL COMMUN JI Catal. Commun. PD JAN 5 PY 2016 VL 73 BP 93 EP 97 DI 10.1016/j.catcom.2015.10.018 PG 5 WC Chemistry, Physical SC Chemistry GA CX0EA UT WOS:000365368500019 ER PT J AU Polat, BD Eryilmaz, OL Keles, O AF Polat, B. D. Eryilmaz, O. L. Keles, O. TI SiAg film by magnetron sputtering for high reversible lithium ion storage anodes SO JOURNAL OF ALLOYS AND COMPOUNDS LA English DT Article DE Ag based anodes; Lithium ion batteries; Magnetron sputtering ID AMORPHOUS-SILICON; BATTERIES; PERFORMANCE; ELECTRODE; DIFFUSION; INSERTION; SILVER; ALLOY AB In the present work we proposed a new strategy to produce Si electrodes with high capacity retention. Si film with 20% at. Ag content is deposited by magnetron sputtering. The galvanostatic test result shows that the electrode delivers 1825 mAh g(-1) initially with 95% Coulombic efficiency and retains 96% of its initial discharge capacity after 60 cycles when cycled between 0.2-1.2 V. The same SiAg electrode performs 2500 mAh g(-1) as the first discharge capacity and quickly fails after 20 cycles when cycled between 0.005-1.2 V. Cyclic voltammetry and electrochemical impedance spectroscopy show that by proper selection of lower cut-off voltage (0.2 V), Ag particles remain inactive versus Li in cycling, which induces the distribution of finely dispersed active (Si) element with an inactive component (Ag) in the electrode. The results of the galvanostatic test at different lower cut-off potentials exhibit outstanding properties. The SiAg electrodes are highly dependent on the potential range since high reversibility and good capacity retention are mostly related to the presence of Ag, which decreases the polarization of anode when its reaction with lithium is restricted. (C) 2015 Elsevier B.V. All rights reserved. C1 [Polat, B. D.; Keles, O.] Istanbul Tech Univ, Dept Met & Mat Engn, TR-34469 Istanbul, Turkey. [Eryilmaz, O. L.] Argonne Natl Lab, Div Energy Syst, Argonne, IL 60439 USA. RP Keles, O (reprint author), Istanbul Tech Univ, Dept Met & Mat Engn, TR-34469 Istanbul, Turkey. EM ozgulkeles@itu.edu.tr NR 31 TC 2 Z9 2 U1 7 U2 74 PU ELSEVIER SCIENCE SA PI LAUSANNE PA PO BOX 564, 1001 LAUSANNE, SWITZERLAND SN 0925-8388 EI 1873-4669 J9 J ALLOY COMPD JI J. Alloy. Compd. PD JAN 5 PY 2016 VL 654 BP 363 EP 370 DI 10.1016/j.jallcom.2015.09.095 PG 8 WC Chemistry, Physical; Materials Science, Multidisciplinary; Metallurgy & Metallurgical Engineering SC Chemistry; Materials Science; Metallurgy & Metallurgical Engineering GA CU1HE UT WOS:000363270500052 ER PT J AU Smith, ZD Keller, JR Bello, M Cordes, NL Welch, CF Torres, JA Goodwin, LA Pacheco, RM Sandoval, CW AF Smith, Zachary D. Keller, Jennie R. Bello, Mollie Cordes, Nikolaus L. Welch, Cynthia F. Torres, Joseph A. Goodwin, Lynne A. Pacheco, Robin M. Sandoval, Cynthia W. TI Plackett-Burman experimental design to facilitate syntactic foam development SO JOURNAL OF APPLIED POLYMER SCIENCE LA English DT Article DE applications; composites; properties and characterization ID THERMOMECHANICAL CHARACTERIZATION; VISCOELASTIC PROPERTIES; STATISTICAL DESIGN; VOLUME FRACTION; WALL THICKNESS; COMPOSITES; OPTIMIZATION; TEMPERATURE; TOMOGRAPHY; MATRIX AB The use of an eight-experiment Plackett-Burman method can assess six experimental variables and eight responses in a polysiloxane-glass microsphere syntactic foam. The approach aims to decrease the time required to develop a tunable polymer composite by identifying a reduced set of variables and responses suitable for future predictive modeling. The statistical design assesses the main effects of mixing process parameters, polymer matrix composition, microsphere density and volume loading, and the blending of two grades of microspheres, using a dummy factor in statistical calculations. Responses cover rheological, physical, thermal, and mechanical properties. The cure accelerator content of the polymer matrix and the volume loading of the microspheres have the largest effects on foam properties. These factors are the most suitable for controlling the gel point of the curing foam, and the density of the cured foam. The mixing parameters introduce widespread variability and therefore should be fixed at effective levels during follow-up testing. Some responses may require greater contrast in microsphere-related factors. Compared to other possible statistical approaches, the run economy of the Plackett-Burman method makes it a valuable tool for rapidly characterizing new foams. (c) 2015 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2016, 132, 42892. C1 [Smith, Zachary D.; Keller, Jennie R.; Bello, Mollie; Cordes, Nikolaus L.; Welch, Cynthia F.; Torres, Joseph A.; Goodwin, Lynne A.; Pacheco, Robin M.; Sandoval, Cynthia W.] Los Alamos Natl Lab, Div Mat Sci & Technol, Engn Mat Grp, Los Alamos, NM 87545 USA. RP Smith, ZD (reprint author), Los Alamos Natl Lab, Div Mat Sci & Technol, Engn Mat Grp, Los Alamos, NM 87545 USA. EM zsmith@lanl.gov OI Cordes, Nikolaus/0000-0003-3367-5592; Welch, Cynthia/0000-0002-4638-6434 FU US Department of Energy [DE-AC52-06NA25396] FX Los Alamos National Laboratory is operated by Los Alamos National Security LLC under contract number DE-AC52-06NA25396 for the US Department of Energy. NR 30 TC 0 Z9 0 U1 1 U2 31 PU WILEY-BLACKWELL PI HOBOKEN PA 111 RIVER ST, HOBOKEN 07030-5774, NJ USA SN 0021-8995 EI 1097-4628 J9 J APPL POLYM SCI JI J. Appl. Polym. Sci. PD JAN 5 PY 2016 VL 133 IS 1 AR 42892 DI 10.1002/app.42892 PG 9 WC Polymer Science SC Polymer Science GA CT3VZ UT WOS:000362736300028 ER PT J AU Dyer, GC Shi, X Olson, BV Hawkins, SD Klem, JF Shaner, EA Pan, W AF Dyer, G. C. Shi, X. Olson, B. V. Hawkins, S. D. Klem, J. F. Shaner, E. A. Pan, W. TI Far infrared edge photoresponse and persistent edge transport in an inverted InAs/GaSb heterostructure SO APPLIED PHYSICS LETTERS LA English DT Article ID TOPOLOGICAL INSULATOR; GRAPHENE; PHOTOCONDUCTIVITY; PLASMONS; GAP AB Direct current (DC) transport and far infrared photoresponse were studied an InAs/GaSb double quantum well with an inverted band structure. The DC transport depends systematically upon the DC bias configuration and operating temperature. Surprisingly, it reveals robust edge conduction despite prevalent bulk transport in our device of macroscopic size. Under 180 GHz far infrared illumination at oblique incidence, we measured a strong photovoltaic response. We conclude that quantum spin Hall edge transport produces the observed transverse photovoltages. Overall, our experimental results support a hypothesis that the photoresponse arises from direct coupling of the incident radiation field to edge states. (C) 2016 AIP Publishing LLC. C1 [Dyer, G. C.; Shi, X.; Olson, B. V.; Hawkins, S. D.; Klem, J. F.; Shaner, E. A.; Pan, W.] Sandia Natl Labs, POB 5800, Albuquerque, NM 87185 USA. [Shi, X.] Univ Texas Dallas, Dept Phys, Richardson, TX 75080 USA. RP Dyer, GC (reprint author), Sandia Natl Labs, POB 5800, Albuquerque, NM 87185 USA. OI Shi, Xiaoyan/0000-0002-9974-4637; Olson, Benjamin/0000-0003-1421-2541 FU Department of Energy, Office of Basic Energy Science, Division of Materials Sciences and Engineering; U.S. Department of Energy's National Nuclear Security Administration [DE-AC04-94AL85000] FX This work was supported by the Department of Energy, Office of Basic Energy Science, Division of Materials Sciences and Engineering. Sandia National Laboratories is a multi-program laboratory managed and operated by Sandia Corporation, a wholly owned subsidiary of Lockheed Martin Corporation, for the U.S. Department of Energy's National Nuclear Security Administration under Contract No. DE-AC04-94AL85000. The authors thank Michael Flatte at the University of Iowa for use of the K.p software that contributed to this work. NR 38 TC 1 Z9 1 U1 6 U2 11 PU AMER INST PHYSICS PI MELVILLE PA 1305 WALT WHITMAN RD, STE 300, MELVILLE, NY 11747-4501 USA SN 0003-6951 EI 1077-3118 J9 APPL PHYS LETT JI Appl. Phys. Lett. PD JAN 4 PY 2016 VL 108 IS 1 AR 013106 DI 10.1063/1.4939234 PG 5 WC Physics, Applied SC Physics GA DJ6HU UT WOS:000374313000056 ER PT J AU Lauer, V Bozhko, DA Bracher, T Pirro, P Vasyuchka, VI Serga, AA Jungfleisch, MB Agrawal, M Kobljanskyj, YV Melkov, GA Dubs, C Hillebrands, B Chumak, AV AF Lauer, V. Bozhko, D. A. Braecher, T. Pirro, P. Vasyuchka, V. I. Serga, A. A. Jungfleisch, M. B. Agrawal, M. Kobljanskyj, Yu. V. Melkov, G. A. Dubs, C. Hillebrands, B. Chumak, A. V. TI Spin-transfer torque based damping control of parametrically excited spin waves in a magnetic insulator SO APPLIED PHYSICS LETTERS LA English DT Article ID OSCILLATOR DRIVEN; ROOM-TEMPERATURE; MULTILAYER; EXCITATION AB The damping of spin waves parametrically excited in the magnetic insulator Yttrium Iron Garnet (YIG) is controlled by a dc current passed through an adjacent normal-metal film. The experiment is performed on a macroscopically sized YIG(100 nm)/Pt(10 nm) bilayer of 4 x 2 mm(2) lateral dimensions. The spin-wave relaxation frequency is determined via the threshold of the parametric instability measured by Brillouin light scattering spectroscopy. The application of a dc current to the Pt film leads to the formation of a spin-polarized electron current normal to the film plane due to the spin Hall effect. This spin current exerts a spin transfer torque in the YIG film and, thus, changes the spin-wave damping. Depending on the polarity of the applied dc current with respect to the magnetization direction, the damping can be increased or decreased. The magnitude of its variation is proportional to the applied current. A variation in the relaxation frequency of +/- 7.5% is achieved for an applied dc current density of 5 x 10(10) A/m(2). (C) 2016 AIP Publishing LLC. C1 [Lauer, V.; Bozhko, D. A.; Braecher, T.; Pirro, P.; Vasyuchka, V. I.; Serga, A. A.; Jungfleisch, M. B.; Agrawal, M.; Hillebrands, B.; Chumak, A. V.] Tech Univ Kaiserslautern, Fachbereich Phys, D-67663 Kaiserslautern, Germany. [Lauer, V.; Bozhko, D. A.; Braecher, T.; Pirro, P.; Vasyuchka, V. I.; Serga, A. A.; Jungfleisch, M. B.; Agrawal, M.; Hillebrands, B.; Chumak, A. V.] Tech Univ Kaiserslautern, Landesforsch Zentrum OPTIMAS, D-67663 Kaiserslautern, Germany. [Bozhko, D. A.] Grad Sch Mat Sci Mainz, Gottlieb Daimler Str 47, D-67663 Kaiserslautern, Germany. [Kobljanskyj, Yu. V.; Melkov, G. A.] Taras Shevchenko Natl Univ Kyiv, Fac Radiophys Elect & Comp Syst, UA-01601 Kiev, Ukraine. [Dubs, C.] INNOVENT eV Technol Entwicklung, Prussingstr 27B, D-07745 Jena, Germany. [Braecher, T.] Univ Grenoble Alpes, CNRS, CEA, INAC SPINTEC, 17 Rue Martyrs, F-38054 Grenoble, France. [Pirro, P.] Univ Lorraine, Inst Jean Lamour, CNRS, F-54506 Vandoeuvre Les Nancy, France. [Jungfleisch, M. B.] Argonne Natl Lab, Div Mat Sci, Argonne, IL 60439 USA. RP Lauer, V (reprint author), Tech Univ Kaiserslautern, Fachbereich Phys, D-67663 Kaiserslautern, Germany.; Lauer, V (reprint author), Tech Univ Kaiserslautern, Landesforsch Zentrum OPTIMAS, D-67663 Kaiserslautern, Germany. RI Bozhko, Dmytro/M-9578-2014; Jungfleisch, Matthias Benjamin/G-1069-2015; Chumak, Andrii/N-1395-2013; Hillebrands, Burkard/C-6242-2008; Pirro, Philipp/A-3549-2016; Vasyuchka, Vitaliy/G-2066-2015; Bracher, Thomas/E-9460-2017 OI Bozhko, Dmytro/0000-0003-0215-4903; Jungfleisch, Matthias Benjamin/0000-0001-8204-3677; Hillebrands, Burkard/0000-0001-8910-0355; Pirro, Philipp/0000-0002-0163-8634; Bracher, Thomas/0000-0003-0471-4150 FU EU-FET grant InSpin [612759]; Deutsche Forschungsgemeinschaft (DFG) [SPP 1538]; State Fund for Fundamental Research of Ukraine (SFFR); Graduate School Material Sciences in Mainz FX This research has been supported by the EU-FET grant InSpin 612759, by Deutsche Forschungsgemeinschaft (DFG) within priority program SPP 1538 "Spin Caloric Transport," and by the State Fund for Fundamental Research of Ukraine (SFFR). D.A.B. has been supported by a fellowship of the Graduate School Material Sciences in Mainz. NR 42 TC 6 Z9 6 U1 7 U2 19 PU AMER INST PHYSICS PI MELVILLE PA 1305 WALT WHITMAN RD, STE 300, MELVILLE, NY 11747-4501 USA SN 0003-6951 EI 1077-3118 J9 APPL PHYS LETT JI Appl. Phys. Lett. PD JAN 4 PY 2016 VL 108 IS 1 AR 012402 DI 10.1063/1.4939268 PG 5 WC Physics, Applied SC Physics GA DJ6HU UT WOS:000374313000036 ER PT J AU Li, XP Ma, CT Lu, JW Devaraj, A Spurgeon, SR Comes, RB Poon, SJ AF Li, Xiaopu Ma, Chung T. Lu, Jiwei Devaraj, Arun Spurgeon, Steven R. Comes, Ryan B. Poon, S. Joseph TI Exchange bias and bistable magneto-resistance states in amorphous TbFeCo thin films SO APPLIED PHYSICS LETTERS LA English DT Article ID ALLOY-FILMS; MICROSTRUCTURE; ANISOTROPY; COMPOSITES; DEPENDENCE; FIELD AB Amorphous TbFeCo thin films sputter deposited at room temperature on thermally oxidized Si substrate are found to exhibit strong perpendicular magnetic anisotropy. Atom probe tomography, scanning transmission electron microscopy, and energy dispersive X-ray spectroscopy mapping have revealed two nanoscale amorphous phases with different Tb atomic percentages distributed within the amorphous film. Exchange bias accompanied by bistable magneto-resistance states has been uncovered near room temperature by magnetization and magneto-transport measurements. The exchange anisotropy originates from the exchange interaction between the ferrimagnetic and ferromagnetic components corresponding to the two amorphous phases. This study provides a platform for exchange bias and magneto-resistance switching using single-layer amorphous ferrimagnetic thin films that require no epitaxial growth. (C) 2016 AIP Publishing LLC. C1 [Li, Xiaopu; Ma, Chung T.; Poon, S. Joseph] Univ Virginia, Dept Phys, Charlottesville, VA 22904 USA. [Lu, Jiwei] Univ Virginia, Dept Mat Sci & Engn, Charlottesville, VA 22904 USA. [Devaraj, Arun] Pacific NW Natl Lab, Environm Mol Sci Lab, Richland, WA 99352 USA. [Spurgeon, Steven R.; Comes, Ryan B.] Pacific NW Natl Lab, Phys & Computat Sci Directorate, Richland, WA 99352 USA. RP Li, XP (reprint author), Univ Virginia, Dept Phys, Charlottesville, VA 22904 USA. EM xl6ba@virginia.edu; sjp9x@virginia.edu OI Comes, Ryan/0000-0002-5304-6921; Spurgeon, Steven/0000-0003-1218-839X FU Defense Threat Reduction Agency grant [HDTRA 1-11-1-0024]; Department of Energy's Office of Biological and Environmental Research; U.S. Department of Energy [DE-AC05-76RL01830]; Material Synthesis and Simulations Across Scales [MS 3]; Linus Pauling Distinguished Postdoctoral Fellowship through the Laboratory Directed Research and Development Program at PNNL FX The work at University of Virginia was partially supported by the Defense Threat Reduction Agency grant (Award No. HDTRA 1-11-1-0024). Atom probe tomography was performed using Environmental Molecular Sciences Laboratory (EMSL), a national scientific user facility sponsored by the Department of Energy's Office of Biological and Environmental Research. EMSL is located at Pacific Northwest National Lab (PNNL), a multi-program national laboratory operated by Battelle Memorial Institute under Contract No. DE-AC05-76RL01830 for the U.S. Department of Energy. A.D. would like to acknowledge the funding from the Material Synthesis and Simulations Across Scales (MS 3) Initiative conducted under the Laboratory Directed Research and Development Program at PNNL. R.B.C. would like to acknowledge support from the Linus Pauling Distinguished Postdoctoral Fellowship through the Laboratory Directed Research and Development Program at PNNL. NR 42 TC 5 Z9 5 U1 4 U2 6 PU AMER INST PHYSICS PI MELVILLE PA 1305 WALT WHITMAN RD, STE 300, MELVILLE, NY 11747-4501 USA SN 0003-6951 EI 1077-3118 J9 APPL PHYS LETT JI Appl. Phys. Lett. PD JAN 4 PY 2016 VL 108 IS 1 AR 012401 DI 10.1063/1.4939240 PG 5 WC Physics, Applied SC Physics GA DJ6HU UT WOS:000374313000035 ER PT J AU Sweet, CA Schulte, KL Simon, JD Steiner, MA Jain, N Young, DL Ptak, AJ Packard, CE AF Sweet, Cassi A. Schulte, Kevin L. Simon, John D. Steiner, Myles A. Jain, Nikhil Young, David L. Ptak, Aaron J. Packard, Corinne E. TI Controlled exfoliation of (100) GaAs-based devices by spalling fracture SO APPLIED PHYSICS LETTERS LA English DT Article ID SOLAR-CELLS; LIFT-OFF; FILMS; SI AB The importance of exfoliation techniques increases as the semiconductor industry progresses toward thinner devices as a way to reduce material costs and improve performance. The controlled spalling technique is a recently developed substrate removal process that utilizes the physics of fracture to create wafer cleavage parallel to the surface at a precise depth. In this letter, we apply principles of linear elastic fracture mechanics to predict the process conditions needed to exfoliate (100) GaAs of a desired thickness. Spalling can be initiated in a controllable manner, by depositing a stressor film of a residual stress value just below the threshold value to induce a spontaneous spall. Experimental data show process window requirements to controllably spall (100) GaAs. Additionally, experimental spall depth in (100) GaAs compares well to spalling mechanics predictions when the effects of wafer thickness and modulus are considered. To test spalled material quality, III-V single junction photovoltaic devices are lifted off of a (100)-GaAs substrate by spalling methods and electrical characteristics are recorded. No degradation is observed in the spalled device, illustrating the potential of this method to rapidly produce thin, high quality devices. (C) 2016 AIP Publishing LLC. C1 [Sweet, Cassi A.; Packard, Corinne E.] Colorado Sch Mines, Dept Met & Mat Engn, Golden, CO 80401 USA. [Schulte, Kevin L.; Simon, John D.; Steiner, Myles A.; Jain, Nikhil; Young, David L.; Ptak, Aaron J.; Packard, Corinne E.] Natl Renewable Energy Lab, Golden, CO 80401 USA. RP Sweet, CA (reprint author), Colorado Sch Mines, Dept Met & Mat Engn, Golden, CO 80401 USA. RI Packard, Corinne/A-9606-2010 OI Packard, Corinne/0000-0002-5815-8586 FU U.S. Department of Energy [DE-AC36-08-GO28308]; National Renewable Energy Laboratory FX We thank Waldo Olavarria for the MOCVD growth and Michelle Young for the processing of the GaAs devices. This work was supported by the U.S. Department of Energy under Contract No. DE-AC36-08-GO28308 with the National Renewable Energy Laboratory. NR 18 TC 4 Z9 4 U1 4 U2 19 PU AMER INST PHYSICS PI MELVILLE PA 1305 WALT WHITMAN RD, STE 300, MELVILLE, NY 11747-4501 USA SN 0003-6951 EI 1077-3118 J9 APPL PHYS LETT JI Appl. Phys. Lett. PD JAN 4 PY 2016 VL 108 IS 1 AR 011906 DI 10.1063/1.4939661 PG 4 WC Physics, Applied SC Physics GA DJ6HU UT WOS:000374313000026 ER PT J AU Wilke, A Bischof, J Gerlach, W Glass, E Harrison, T Keegan, KP Paczian, T Trimble, WL Bagchi, S Gram, A Chaterji, S Meyer, F AF Wilke, Andreas Bischof, Jared Gerlach, Wolfgang Glass, Elizabeth Harrison, Travis Keegan, Kevin P. Paczian, Tobias Trimble, William L. Bagchi, Saurabh Gram, Ananth Chaterji, Somali Meyer, Folker TI The MG-RAST metagenomics database and portal in 2015 SO NUCLEIC ACIDS RESEARCH LA English DT Article ID ALIGNMENT; PROTEIN; INFORMATION; SEQUENCES; RESOURCE AB MG-RAST (http://metagenomics.anl.gov) is an open-submission data portal for processing, analyzing, sharing and disseminating metagenomic datasets. The system currently hosts over 200 000 datasets and is continuously updated. The volume of submissions has increased 4-fold over the past 24 months, now averaging 4 terabasepairs per month. In addition to several new features, we report changes to the analysis workflowand the technologies used to scale the pipeline up to the required throughput levels. To show possible uses for the data from MG-RAST, we present several examples integrating data and analyses from MG-RAST into popular third-party analysis tools or sequence alignment tools. C1 [Wilke, Andreas; Bischof, Jared; Gerlach, Wolfgang; Glass, Elizabeth; Harrison, Travis; Keegan, Kevin P.; Paczian, Tobias; Trimble, William L.; Meyer, Folker] Argonne Natl Lab, Math & Comp Sci Div, 9700 S Cass Ave, Argonne, IL 60439 USA. [Wilke, Andreas; Bischof, Jared; Gerlach, Wolfgang; Glass, Elizabeth; Harrison, Travis; Keegan, Kevin P.; Paczian, Tobias; Trimble, William L.; Meyer, Folker] Univ Chicago, Chicago, IL 60637 USA. [Bagchi, Saurabh] Purdue Univ, Sch Elect & Comp Engn, W Lafayette, IN 47907 USA. [Gram, Ananth; Chaterji, Somali] Purdue Univ, Dept Comp Sci, W Lafayette, IN 47907 USA. RP Meyer, F (reprint author), Argonne Natl Lab, Math & Comp Sci Div, 9700 S Cass Ave, Argonne, IL 60439 USA.; Meyer, F (reprint author), Univ Chicago, Chicago, IL 60637 USA. EM folker@anl.gov OI Trimble, William L./0000-0001-7029-2676 FU NIH [U01HG006537]; Gordon and Betty Moore Foundation [6-34881]; U.S. Department of Energy, Office of Science, Advanced Scientific Computing Research as part of "Resource Aware Intelligent Network Services (RAINS)" [DE-AC02-06CH11357]; U.S. Department of Energy, Office of Science, Advanced Scientific Computing Research [DE-AC02-06CH11357] FX This work was supported in part by the NIH award U01HG006537 "OSDF: Support infrastructure for NextGen sequence storage, analysis, and management," by the Gordon and Betty Moore Foundation with the grant "6-34881, METAZen-Going the Last Mile for Solving the Metadata Crisis)," and by the U.S. Department of Energy, Office of Science, Advanced Scientific Computing Research, under contract DE-AC02-06CH11357 as part of "Resource Aware Intelligent Network Services (RAINS)." Computing for this work was supported in part by the U.S. Department of Energy, Office of Science, Advanced Scientific Computing Research, under Contract DE-AC02-06CH11357. The funders had no role in study design, data collection, and analysis, decision to publish, or preparation of the manuscript. NR 25 TC 9 Z9 9 U1 8 U2 18 PU OXFORD UNIV PRESS PI OXFORD PA GREAT CLARENDON ST, OXFORD OX2 6DP, ENGLAND SN 0305-1048 EI 1362-4962 J9 NUCLEIC ACIDS RES JI Nucleic Acids Res. PD JAN 4 PY 2016 VL 44 IS D1 BP D590 EP D594 DI 10.1093/nar/gkv1322 PG 5 WC Biochemistry & Molecular Biology SC Biochemistry & Molecular Biology GA DF3QY UT WOS:000371261700083 PM 26656948 ER PT J AU Castro, HPS Souza, VS Scholten, JD Dias, JH Fernandes, JA Rodembusch, FS dos Reis, R Dupont, J Teixeira, SR Correia, RRB AF Castro, Hemerson P. S. Souza, Virginia S. Scholten, Jackson D. Dias, Janine H. Fernandes, Jesum A. Rodembusch, Fabiano S. dos Reis, Roberto Dupont, Jairton Teixeira, Sergio R. Correia, Ricardo R. B. TI Synthesis and Characterisation of Fluorescent Carbon Nanodots Produced in Ionic Liquids by Laser Ablation SO CHEMISTRY-A EUROPEAN JOURNAL LA English DT Article DE carbon; fluorescence; ionic liquids; laser ablation; nanoparticles ID ONE-STEP SYNTHESIS; QUANTUM DOTS; EMERGENT NANOLIGHTS; OPTICAL-PROPERTIES; C-DOTS; NANOPARTICLES; LUMINESCENT; NITROGEN; PHOTOLUMINESCENCE; CHEMILUMINESCENCE AB Carbon nanodots (C-dots) with an average size of 1.5 and 3.0 nm were produced by laser ablation in different imidazolium ionic liquids (ILs), namely, 1-n-butyl-3-methylimidazolium tetrafluoroborate (BMI center dot BF4), 1-n-butyl-3-methylimidazolium bis(trifluoromethanesulfonyl) imide (BMI center dot NTf2) and 1-n-octyl-3-methylimidazolium bis(trifluoromethanesulfonyl)imide (OMI center dot NTf2). The mean size of the nanoparticles is influenced by the imidazolium alkyl side chain but not by the nature of the anion. However, by varying the anion (BF4 vs. NTf2) it was possible to detect a significant modification of the fluorescence properties. The C-dots are much probably stabilised by an electrostatic layer of the IL and this interaction has played an important role with regard to the formation, stabilisation and photoluminescence properties of the nanodots. A tuneable broadband fluorescence emission from the colloidal suspension was observed under ultraviolet/visible excitation with fluorescence lifetimes fitted by a multi-exponential decay with average values around 7 ns. C1 [Castro, Hemerson P. S.; Dias, Janine H.; Teixeira, Sergio R.; Correia, Ricardo R. B.] Univ Fed Rio Grande do Sul, Inst Fis, BR-91501970 Porto Alegre, RS, Brazil. [Souza, Virginia S.; Scholten, Jackson D.; Rodembusch, Fabiano S.; Dupont, Jairton] Univ Fed Rio Grande do Sul, Inst Quim, BR-91501970 Porto Alegre, RS, Brazil. [Fernandes, Jesum A.] UVIC, Dept Chem, Victoria, BC V8W 3V6, Canada. [dos Reis, Roberto] LBNL, Natl Ctr Electron Microscopy, Berkeley, CA 94720 USA. [Dupont, Jairton] Univ Nottingham, Sch Chem, Nottingham NG7 2RD, England. RP Correia, RRB (reprint author), Univ Fed Rio Grande do Sul, Inst Quim, Av Bento Goncalves 9500, BR-91501970 Porto Alegre, RS, Brazil. EM jackson.scholten@ufrgs.br; jairton.dupont@nottingham.ac.uk; rego@if.ufrgs.br RI Dupont, Jairton/F-7161-2010; Correia, Ricardo/H-7907-2012; Castro, Hemerson/B-6822-2015 OI Dupont, Jairton/0000-0003-3237-0770; Castro, Hemerson/0000-0003-3486-6868 FU CNPq; CAPES FX The authors thank the CNPq and the CAPES for financial support. NR 45 TC 6 Z9 6 U1 17 U2 67 PU WILEY-V C H VERLAG GMBH PI WEINHEIM PA POSTFACH 101161, 69451 WEINHEIM, GERMANY SN 0947-6539 EI 1521-3765 J9 CHEM-EUR J JI Chem.-Eur. J. PD JAN 4 PY 2016 VL 22 IS 1 BP 138 EP 143 DI 10.1002/chem.201503286 PG 7 WC Chemistry, Multidisciplinary SC Chemistry GA DC0HK UT WOS:000368897600018 PM 26558445 ER PT J AU Di Giovanni, C Gimbert-Surinach, C Nippe, M Benet-Buchholz, J Long, JR Sala, X Llobet, A AF Di Giovanni, Carlo Gimbert-Surinach, Carolina Nippe, Michael Benet-Buchholz, Jordi Long, Jeffrey R. Sala, Xavier Llobet, Antoni TI Dinuclear Cobalt Complexes with a Decadentate Ligand Scaffold: Hydrogen Evolution and Oxygen Reduction Catalysis SO CHEMISTRY-A EUROPEAN JOURNAL LA English DT Article DE decadentate ligands; dicobalt complexes; oxygen reduction; peroxo bridges; proton reduction ID COUPLED ELECTRON-TRANSFER; AQUEOUS-SOLUTION; POLYNUCLEAR DERIVATIVES; PENTADENTATE LIGAND; WATER OXIDATION; MIXED-VALENCE; GENERATION; PYRIDAZINE; EFFICIENT; MONONUCLEAR AB A new decadentate dinucleating ligand containing a pyridazine bridging group and pyridylic arms has been synthesized and characterized by analytical and spectroscopic techniques. Four new dinuclear cobalt complexes featuring this ligand have been prepared and thoroughly characterized both in the solid state (X-ray diffraction) and in solution (1D and 2D NMR spectroscopy, ESI-MS, and electrochemical techniques). The flexible but stable coordination environment provided by the ligand scaffold when coordinating Co in different oxidation states is shown to play a crucial role in the performance of the set of complexes when tested as catalysts for the photochemical hydrogen evolution reaction (HER) and chemical oxygen reduction reaction (ORR). C1 [Di Giovanni, Carlo; Gimbert-Surinach, Carolina; Benet-Buchholz, Jordi; Llobet, Antoni] Barcelona Inst Sci & Technol, Inst Chem Res Catalonia ICIQ, Av Paisos Catalans 16, Tarragona 43007, Spain. [Nippe, Michael; Long, Jeffrey R.] Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA. [Nippe, Michael; Long, Jeffrey R.] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Div Mat Sci, Berkeley, CA 94720 USA. [Sala, Xavier; Llobet, Antoni] Univ Autonoma Barcelona, Dept Quim, E-08193 Barcelona, Spain. [Nippe, Michael] Texas A&M Univ, Dept Chem, College Stn, TX 77840 USA. RP Llobet, A (reprint author), Barcelona Inst Sci & Technol, Inst Chem Res Catalonia ICIQ, Av Paisos Catalans 16, Tarragona 43007, Spain.; Long, JR (reprint author), Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA.; Long, JR (reprint author), Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Div Mat Sci, Berkeley, CA 94720 USA.; Sala, X; Llobet, A (reprint author), Univ Autonoma Barcelona, Dept Quim, E-08193 Barcelona, Spain. EM jrlong@berkeley.edu; xavier.sala@uab.es; allobet@iciq.es RI Gimbert Surinach, Carolina/S-7373-2016 OI Gimbert Surinach, Carolina/0000-0002-4412-7607 FU AGAUR; AGAUR, Generalitat de Catalunya FX We thank MINECO (CTQ2011-2640, CTQ-2013-49075, SEV-2013-0319, CTQ-2014-52974-REDC), Feder funds and the EU COST actions CM1202 and CM1205. C. G. S. is grateful to AGAUR for a "Beatriu de Pinos" postdoctoral grant" and X. S. thanks AGAUR, Generalitat de Catalunya for a BE mobility grant. NR 59 TC 0 Z9 0 U1 14 U2 50 PU WILEY-V C H VERLAG GMBH PI WEINHEIM PA POSTFACH 101161, 69451 WEINHEIM, GERMANY SN 0947-6539 EI 1521-3765 J9 CHEM-EUR J JI Chem.-Eur. J. PD JAN 4 PY 2016 VL 22 IS 1 BP 361 EP 369 DI 10.1002/chem.201503567 PG 9 WC Chemistry, Multidisciplinary SC Chemistry GA DC0HK UT WOS:000368897600043 PM 26608517 ER PT J AU Chen, DT Han, XJ Du, YC Wang, HL Xu, P AF Chen, Dengtai Han, Xijiang Du, Yunchen Wang, Hsing-Lin Xu, Ping TI In Situ Raman Monitoring of Silver(I)-Aided Laser-Driven Cleavage Reaction of Cyclobutane SO CHEMPHYSCHEM LA English DT Article DE cleavage reactions; cyclobutane; laser chemistry; photochemistry; Raman spectroscopy ID 2+2 CYCLOADDITION REACTION; REVERSIBLE SINGLE-CRYSTAL; SOLID-STATE; MAGNESIUM ACETATE; THERMAL CLEAVAGE; PLASMON-DRIVEN; PHOTODIMERIZATION; ISOMERIZATION; SPECTROSCOPY; REVEALS AB The cyclobutane cleavage reaction is an important process and has received continuous interest. Herein, we demonstrate the visible laser-driven cleavage reaction of cyclobutane in crystal form by using insitu Raman spectroscopy. Silver(I) coordination-induced strain and thermal effects from the laser irradiation are the two main driving forces for the cleavage of cyclobutane crystals. This work may open up a new avenue for studying cyclobutane cleavage reactions, as compared to the conventional routes using exsitu techniques. C1 [Chen, Dengtai; Han, Xijiang; Du, Yunchen; Xu, Ping] Harbin Inst Technol, Dept Chem, Harbin 150001, Peoples R China. [Wang, Hsing-Lin] Los Alamos Natl Lab, Div Chem, Los Alamos, NM 87545 USA. RP Han, XJ (reprint author), Harbin Inst Technol, Dept Chem, Harbin 150001, Peoples R China. EM hanxijiang@hit.edu.cn; pxu@hit.edu.cn RI chen, dengtai/G-1068-2011 OI chen, dengtai/0000-0003-1789-885X FU National Natural Science Foundation of China (NSFC) [21471039, 21203045]; Fundamental Research Funds for Central Universities [HIT. NSRIF. 2010065, 2011017, PIRS of HIT A201502, HIT. BRETIII. 201223]; China Postdoctoral Science Foundation [2014M560253]; Postdoctoral Scientific Research Fund of Heilongjiang Province [LBH-Q14062, LBH-Z14076]; Natural Science Foundation of Heilongjiang Province [B2015001]; Open Project Program of Key Laboratory for Photonic and Electric Bandgap Materials, Ministry of Education, Harbin Normal University, China [PEBM 201306]; Open Project of State Key Laboratory of Urban Water Resource and Environment, Harbin Institute of Technology [ES201411]; Open Foundation of State Key Laboratory of Electronic Thin Films and Integrated Devices [KFJJ201401] FX We acknowledge financial support from the National Natural Science Foundation of China (NSFC) (nos. 21471039, 21203045), Fundamental Research Funds for the Central Universities (grant no. HIT. NSRIF. 2010065 and 2011017, PIRS of HIT A201502 and HIT. BRETIII. 201223), China Postdoctoral Science Foundation (2014M560253), Postdoctoral Scientific Research Fund of Heilongjiang Province (LBH-Q14062, LBH-Z14076), Natural Science Foundation of Heilongjiang Province (B2015001), Open Project Program of Key Laboratory for Photonic and Electric Bandgap Materials, Ministry of Education, Harbin Normal University, China (PEBM 201306), Open Project of State Key Laboratory of Urban Water Resource and Environment, Harbin Institute of Technology (No. ES201411), and Open Foundation of State Key Laboratory of Electronic Thin Films and Integrated Devices (KFJJ201401). NR 40 TC 1 Z9 1 U1 13 U2 31 PU WILEY-V C H VERLAG GMBH PI WEINHEIM PA POSTFACH 101161, 69451 WEINHEIM, GERMANY SN 1439-4235 EI 1439-7641 J9 CHEMPHYSCHEM JI ChemPhysChem PD JAN 4 PY 2016 VL 17 IS 1 BP 46 EP 50 DI 10.1002/cphc.201500874 PG 5 WC Chemistry, Physical; Physics, Atomic, Molecular & Chemical SC Chemistry; Physics GA DA5FD UT WOS:000367827700004 PM 26510491 ER PT J AU Lynch, S Eckert, C Yu, JP Gill, R Maness, PC AF Lynch, Sean Eckert, Carrie Yu, Jianping Gill, Ryan Maness, Pin-Ching TI Overcoming substrate limitations for improved production of ethylene in E. coli SO BIOTECHNOLOGY FOR BIOFUELS LA English DT Article DE Ethylene; Ethylene-forming enzyme; Arginine; alpha-ketoglutarate; E. coli ID SYRINGAE PV PHASEOLICOLA-PK2; ESCHERICHIA-COLI; FORMING ENZYME; PSEUDOMONAS-SYRINGAE; RECOMBINANT CYANOBACTERIUM; PHOTOSYNTHETIC CONVERSION; METABOLITE CONCENTRATIONS; SACCHAROMYCES-CEREVISIAE; GENE; 2-OXOGLUTARATE AB Background: Ethylene is an important industrial compound for the production of a wide variety of plastics and chemicals. At present, ethylene production involves steam cracking of a fossil-based feedstock, representing the highest CO2-emitting process in the chemical industry. Biological ethylene production can be achieved via expression of a single protein, the ethylene-forming enzyme (EFE), found in some bacteria and fungi; it has the potential to provide a sustainable alternative to steam cracking, provided that significant increases in productivity can be achieved. A key barrier is determining factors that influence the availability of substrates for the EFE reaction in potential microbial hosts. In the presence of O-2, EFE catalyzes ethylene formation from the substrates a-ketoglutarate (AKG) and arginine. The concentrations of AKG, a key TCA cycle intermediate, and arginine are tightly controlled by an intricate regulatory system that coordinates carbon and nitrogen metabolism. Therefore, reliably predicting which genetic changes will ultimately lead to increased AKG and arginine availability is challenging. Results: We systematically explored the effects of media composition (rich versus defined), gene copy number, and the addition of exogenous substrates and other metabolites on the formation of ethylene in Escherichia coli expressing EFE. Guided by these results, we tested a number of genetic modifications predicted to improve substrate supply and ethylene production, including knockout of competing pathways and overexpression of key enzymes. Several such modifications led to higher AKG levels and higher ethylene productivity, with the best performing strain more than doubling ethylene productivity (from 81 +/- 3 to 188 +/- 13 nmol/OD600/mL). Conclusions: Both EFE activity and substrate supply can be limiting factors in ethylene production. Targeted modifications in central carbon metabolism, such as overexpression of isocitrate dehydrogenase, and deletion of glutamate synthase or the transcription regulator ArgR, can effectively enhance substrate supply and ethylene productivity. These results not only provide insight into the intricate regulatory network of the TCA cycle, but also guide future pathway and genome-scale engineering efforts to further boost ethylene productivity. C1 [Lynch, Sean; Eckert, Carrie; Yu, Jianping; Maness, Pin-Ching] Natl Renewable Energy Lab, Biosci Ctr, Golden, CO 80401 USA. [Lynch, Sean; Eckert, Carrie; Gill, Ryan] Univ Colorado, Renewable & Sustainable Energy Inst, Boulder, CO 80309 USA. RP Maness, PC (reprint author), Natl Renewable Energy Lab, Biosci Ctr, 15013 Denver West Pkwy, Golden, CO 80401 USA. EM pinching.maness@nrel.gov FU US Department of Energy, Office of Science, Office of Biological and Environmental Research [DE-SC008812] FX This work was supported by the US Department of Energy, Office of Science, Office of Biological and Environmental Research (Grant Number DE-SC008812). The authors wish to thank Dr. Bo Wang for discussion and technical assistance. None of the authors have any competing interests in this manuscript. NR 34 TC 3 Z9 3 U1 3 U2 17 PU BIOMED CENTRAL LTD PI LONDON PA 236 GRAYS INN RD, FLOOR 6, LONDON WC1X 8HL, ENGLAND SN 1754-6834 J9 BIOTECHNOL BIOFUELS JI Biotechnol. Biofuels PD JAN 4 PY 2016 VL 9 AR 3 DI 10.1186/s13068-015-0413-x PG 10 WC Biotechnology & Applied Microbiology; Energy & Fuels SC Biotechnology & Applied Microbiology; Energy & Fuels GA DA0UO UT WOS:000367513300003 PM 26734073 ER PT J AU Daumann, LJ Tatum, DS Andolina, CM Pacold, JI D'Aleo, A Law, GL Xu, JD Raymond, KN AF Daumann, Lena J. Tatum, David S. Andolina, Christopher M. Pacold, Joseph I. D'Aleo, Anthony Law, Ga-lai Xu, Jide Raymond, Kenneth N. TI Effects of Ligand Geometry on the Photophysical Properties of Photo luminescent Eu(III) and Sm(III) 1-Hydroxypyridin-2-one Complexes in Aqueous Solution SO INORGANIC CHEMISTRY LA English DT Article ID INTRAMOLECULAR ENERGY-TRANSFER; BRIGHT EUROPIUM COMPLEXES; LANTHANIDE LUMINESCENCE; RADIATIVE LIFETIME; BETA-DIKETONATE; WATER-MOLECULES; III COMPLEXES; EU-III; NUMBER; ABSORPTION AB A series of 10 tetradentate 1-hydroxy-pyridin-2-one (1,2-HOPO) ligands and corresponding eight-coordinated photoluminescent Eu(III) and Sm(III) complexes were prepared. Generally, the ligands differ by the linear (nLI) aliphatic linker length, from 2 to 8 methylene units between the bidentate 1,2-HOPO chelator units. The photoluminescent quantum yields (tot) were found to vary with the linker length, and the same trend was observed for the Eu(III) and Sm(III) complexes. The 2LI and 5LI bridged complexes are the brightest (Phi(tot)x epsilon). The change in ligand wrapping pattern between 2LI and 51,1 complexes observed by X-ray diffraction (XRD) is further supported by density functional theory (DFT) calculations. The bimodal Phi(tot) trends of the Eu(III) and Sm(III) complexes are rationalized by the change in ligand wrapping pattern as the bridge (nLI) is increased in length. C1 [Raymond, Kenneth N.] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Div Chem Sci, Berkeley, CA 94720 USA. Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Dept Chem, Berkeley, CA 94720 USA. RP Raymond, KN (reprint author), Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Div Chem Sci, Berkeley, CA 94720 USA. EM raymond@socrates.berkeley.edu OI Pacold, Joseph/0000-0002-4697-5896; Law, Ga-Lai/0000-0002-2192-6887 FU Office of Science, Office of Basic Energy Sciences, and the Division of Chemical Sciences, Geosciences, and Biosciences of the U.S. Department of Energy at LBNL [DE-AC02-05CH11231]; Alexander von Humboldt Foundation; NIH [S10-RR027172]; NSF [CHE-0233882, CHE-0840505] FX This work was supported by the Director, Office of Science, Office of Basic Energy Sciences, and the Division of Chemical Sciences, Geosciences, and Biosciences of the U.S. Department of Energy at LBNL, under Contract No. DE-AC02-05CH11231. L.J.D. is grateful for a fellowship from the Alexander von Humboldt Foundation. The Small Molecule X-ray Crystallography Facility is supported by the NIH Shared Instrumentation (through Grant No. S10-RR027172), and the Molecular Graphics and Computation Facility wishes to acknowledge the NSF Grant Nos. CHE-0233882 and CHE-0840505. NR 86 TC 0 Z9 0 U1 11 U2 42 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0020-1669 EI 1520-510X J9 INORG CHEM JI Inorg. Chem. PD JAN 4 PY 2016 VL 55 IS 1 BP 114 EP 124 DI 10.1021/acs.inorgchem.5b01927 PG 11 WC Chemistry, Inorganic & Nuclear SC Chemistry GA DA3OD UT WOS:000367706100018 PM 26679038 ER PT J AU Williams, BP Britt, KA Humble, TS AF Williams, Brian P. Britt, Keith A. Humble, Travis S. TI Tamper-Indicating Quantum Seal SO PHYSICAL REVIEW APPLIED LA English DT Article ID CRYPTOGRAPHY; SECURITY AB Technical means for identifying when tampering occurs is a critical part of many containment and surveillance technologies. Conventional fiber-optic seals provide methods for monitoring enclosed inventories, but they are vulnerable to spoofing attacks based on classical physics. We address these vulnerabilities with the development of a quantum seal that offers the ability to detect the intercept-resend attack using quantum integrity verification. Our approach represents an application of entanglement to provide guarantees in the authenticity of the seal state by verifying it is transmitted coherently. We implement these ideas using polarization-entangled photon pairs that are verified after passing through a fiber-optic-channel test bed. Using binary-detection theory, we find the probability of detecting inauthentic signals is greater than 0.9999 with a false-alarm chance of 10(-9) for a 10-s sampling interval. In addition, we show how the Hong-Ou-Mandel effect concurrently provides a tight bound on redirection attack, in which tampering modifies the shape of the seal. Our measurements limit the tolerable path-length change to submillimeter disturbances. These tamper-indicating features of the quantum seal offer unprecedented security for unattended monitoring systems. C1 [Williams, Brian P.; Britt, Keith A.; Humble, Travis S.] Oak Ridge Natl Lab, Quantum Comp Inst, Oak Ridge, TN 37831 USA. RP Williams, BP (reprint author), Oak Ridge Natl Lab, Quantum Comp Inst, Oak Ridge, TN 37831 USA. EM williamsbp@ornl.gov OI Williams, Brian/0000-0001-7158-8217 FU Defense Threat Reduction Agency; U.S. Department of Energy [DE-AC05-00OR22725] FX This work is supported by the Defense Threat Reduction Agency. This manuscript is authored by UT-Battelle, LLC, under Contract No. DE-AC05-00OR22725 with the U.S. Department of Energy. NR 30 TC 3 Z9 3 U1 0 U2 1 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 2331-7019 J9 PHYS REV APPL JI Phys. Rev. Appl. PD JAN 4 PY 2016 VL 5 IS 1 AR 014001 DI 10.1103/PhysRevApplied.5.014001 PG 10 WC Physics, Applied SC Physics GA DA3EK UT WOS:000367679300001 ER PT J AU Li, W Yin, WG Wang, LL He, K Ma, XC Xue, QK Chen, X AF Li, Wei Yin, Wei-Guo Wang, Lili He, Ke Ma, Xucun Xue, Qi-Kun Chen, Xi TI Charge ordering in stoichiometric FeTe: Scanning tunneling microscopy and spectroscopy SO PHYSICAL REVIEW B LA English DT Article ID ELECTRONIC NEMATICITY; IRON PNICTIDES; SUPERCONDUCTORS; STATES AB We use scanning tunneling microscopy and spectroscopy to reveal a unique stripy charge order in a parent phase of iron-based superconductors in stoichiometric FeTe epitaxy films. The charge order has unusually the same-usually half-period as the spin order. We also found highly anisotropic electron band dispersions being large and little along the ferromagnetic (crystallographic b) and antiferromagnetic (a) directions, respectively. Our data suggest that the microscopic mechanism is likely of the Stoner type driven by interatomic Coulomb repulsion V-ij, and that V-ij and charge fluctuations, so far much neglected, are important to the understanding of iron-based superconductors. C1 [Li, Wei; Wang, Lili; He, Ke; Ma, Xucun; Xue, Qi-Kun; Chen, Xi] Tsinghua Univ, Dept Phys, State Key Lab Low Dimens Quantum Phys, Beijing 100084, Peoples R China. [Li, Wei; Wang, Lili; He, Ke; Ma, Xucun; Xue, Qi-Kun; Chen, Xi] Collaborat Innovat Ctr Quantum Matter, Beijing 100084, Peoples R China. [Yin, Wei-Guo] Brookhaven Natl Lab, Condensed Matter Phys & Mat Sci Dept, Upton, NY 11973 USA. RP Li, W (reprint author), Tsinghua Univ, Dept Phys, State Key Lab Low Dimens Quantum Phys, Beijing 100084, Peoples R China. EM wyin@bnl.gov; xc@mail.tsinghua.edu.cn RI Yin, Weiguo/A-9671-2014 OI Yin, Weiguo/0000-0002-4965-5329 FU National Natural Science Foundation; Ministry of Science and Technology of China; US Department of Energy (DOE), Office of Basic Energy Science [DE-AC02-98CH10886] FX This work was supported by National Natural Science Foundation and Ministry of Science and Technology of China and by the US Department of Energy (DOE), Office of Basic Energy Science, under Contract No. DE-AC02-98CH10886. NR 41 TC 0 Z9 0 U1 26 U2 56 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 1098-0121 EI 1550-235X J9 PHYS REV B JI Phys. Rev. B PD JAN 4 PY 2016 VL 93 IS 4 AR 041101 DI 10.1103/PhysRevB.93.041101 PG 5 WC Physics, Condensed Matter SC Physics GA DA2ZA UT WOS:000367664500001 ER PT J AU Sakai, H Hattori, T Tokunaga, Y Kambe, S Ghimire, NJ Ronning, F Bauer, ED Thompson, JD AF Sakai, H. Hattori, T. Tokunaga, Y. Kambe, S. Ghimire, N. J. Ronning, F. Bauer, E. D. Thompson, J. D. TI Incommensurate to commensurate antiferromagnetism in CeRhAl4Si2: An Al-27 NMR study SO PHYSICAL REVIEW B LA English DT Article ID ELECTRON-PARAMAGNETIC RESONANCE; NUCLEAR MAGNETIC RELAXATION; RARE-EARTH COMPOUNDS; SPIN RELAXATION; CRYSTAL-FIELDS; SUPERCONDUCTIVITY; CERHIN5 AB Al-27 nuclear magnetic resonance (NMR) experiments have been performed on a single crystal of CeRhAl4Si2, which is an antiferromagnetic Kondo-lattice compound with successive antiferromagnetic transitions of T-N1 = 14 K and T-N2 = 9 K at zero external field. In the paramagnetic state, the Knight shifts, quadrupolar frequency, and asymmetric parameter of electrical field gradient on the Al sites have been determined, which have local orthorhombic symmetry. The transferred hyperfine coupling constants are also determined. Analysis of the NMR spectra indicates that a commensurate antiferromagnetic structure exists below T-N2, but an incommensurate modulation of antiferromagnetic moments is present in the antiferromagnetic state between T-N1 and T-N2. The spin-lattice relaxation rate suggests that the 4 f electrons behave as local moments at temperatures above T-N1. C1 [Sakai, H.; Hattori, T.; Tokunaga, Y.; Kambe, S.] Japan Atom Energy Agcy, Adv Sci Res Ctr, Tokai, Ibaraki 3191195, Japan. [Ghimire, N. J.; Ronning, F.; Bauer, E. D.; Thompson, J. D.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA. RP Sakai, H (reprint author), Japan Atom Energy Agcy, Adv Sci Res Ctr, Tokai, Ibaraki 3191195, Japan. EM sakai.hironori@jaea.go.jp OI Ronning, Filip/0000-0002-2679-7957; Bauer, Eric/0000-0003-0017-1937 FU U.S. Department of Energy (USA), Office of Basic Energy Sciences, Division of Materials Sciences and Engineering; Reimei Research Program of JAEA (Japan) FX We thank J. Lawrence for valuable discussions. Work at Los Alamos National Laboratory was performed under the auspices of the U.S. Department of Energy (USA), Office of Basic Energy Sciences, Division of Materials Sciences and Engineering. Work in Japan was partly supported by the Reimei Research Program of JAEA (Japan). NR 24 TC 1 Z9 1 U1 2 U2 10 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 1098-0121 EI 1550-235X J9 PHYS REV B JI Phys. Rev. B PD JAN 4 PY 2016 VL 93 IS 1 AR 014402 DI 10.1103/PhysRevB.93.014402 PG 9 WC Physics, Condensed Matter SC Physics GA DA2XK UT WOS:000367660300002 ER PT J AU Chen, WB Samatova, NF Stallmann, MF Hendrix, W Ying, WQ AF Chen, Wenbin Samatova, Nagiza F. Stallmann, Matthias F. Hendrix, William Ying, Weiqin TI On size-constrained minimum s-t cut problems and size-constrained dense subgraph problems SO THEORETICAL COMPUTER SCIENCE LA English DT Article DE At-least-k-subgraph problem; At-most-k-subgraph problem; Approximation algorithm; The minimum s-t cut with at-least-k vertices problem; The minimum s-t cut with at-most-k vertices problem; The minimum s-t cut with exactly k vertices problem ID K-SUBGRAPH; COMPLEXITY; ALGORITHM AB In some application cases, the solutions of combinatorial optimization problems on graphs should satisfy an additional vertex size constraint. In this paper, we consider size-constrained minimum s-t cut problems and size-constrained dense subgraph problems. We introduce the minimum s-t cut with at-least-k vertices problem, the minimum s-t cut with at-most-k vertices problem, and the minimum s-t cut with exactly k vertices problem. We prove that they are NP-complete. Thus, they are not polynomially solvable unless P = NP. On the other hand, we also study the densest at-least-k-subgraph problem (DalkS) and the densest at-most-k-subgraph problem (DamkS) introduced by Andersen and Chellapilla [1]. We present a polynomial time algorithm for DalkS when k is bounded by some constant c. We also present two approximation algorithms for DamkS. The first approximation algorithm for DamkS has an approximation ratio of n-1/k-1, where n is the number of vertices in the input graph. The second approximation algorithm for DamkS has an approximation ratio of O (n(delta)), for some delta < 1/3. (C) 2015 Elsevier B.V. All rights reserved. C1 [Chen, Wenbin] Guangzhou Univ, Dept Comp Sci, Guangzhou, Guangdong, Peoples R China. [Chen, Wenbin] Fudan Univ, Shanghai Key Lab Intelligent Informat Proc, Shanghai, Peoples R China. [Samatova, Nagiza F.; Stallmann, Matthias F.; Hendrix, William] N Carolina State Univ, Dept Comp Sci, Raleigh, NC 27695 USA. [Samatova, Nagiza F.; Hendrix, William] Oak Ridge Natl Lab, Comp Sci & Math Div, Oak Ridge, TN 37831 USA. [Ying, Weiqin] S China Univ Technol, Sch Software Engn, Guangzhou 510641, Guangdong, Peoples R China. RP Chen, WB (reprint author), Guangzhou Univ, Dept Comp Sci, Guangzhou, Guangdong, Peoples R China. EM cwb2011@gzhu.edu.cn FU U.S. Department of Energy (Office of Advanced Scientific Computing Research, Office of Science); Laboratory Directed Research and Development Program of Oak Ridge National Laboratory; LLC U.S. D.O.E. [DEAC05-00OR22725]; National Natural Science Foundation of China (NSFC) [11271097]; Guangzhou education bureau [2012A074]; Shanghai Key Laboratory of Intelligent Information Processing [IIPL-2011-001]; Fundamental Research Funds for the Central Universities [2013ZZ0048]; National Natural Science Foundation of China [61203310]; Pearl River S&T Nova Program of Guangzhou [2014J2200052] FX This research has been supported by the "Exploratory Data Intensive Computing for Complex Biological Systems" project from U.S. Department of Energy (Office of Advanced Scientific Computing Research, Office of Science). The work of NFS was also sponsored by the Laboratory Directed Research and Development Program of Oak Ridge National Laboratory. Oak Ridge National Laboratory is managed by UT-Battelle for the LLC U.S. D.O.E. under contract no. DEAC05-00OR22725.; In addition, Wenbin Chen's research has been also partly supported by the National Natural Science Foundation of China (NSFC) under Grant No. 11271097, the research project of Guangzhou education bureau under Grant No. 2012A074, the project IIPL-2011-001 from Shanghai Key Laboratory of Intelligent Information Processing. Weiqin Ying's research has been supported by the Fundamental Research Funds for the Central Universities (No. 2013ZZ0048), the National Natural Science Foundation of China (No. 61203310) and the Pearl River S&T Nova Program of Guangzhou (No. 2014J2200052). NR 28 TC 0 Z9 0 U1 0 U2 0 PU ELSEVIER SCIENCE BV PI AMSTERDAM PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS SN 0304-3975 EI 1879-2294 J9 THEOR COMPUT SCI JI Theor. Comput. Sci. PD JAN 4 PY 2016 VL 609 BP 434 EP 442 DI 10.1016/j.tcs.2015.10.031 PN 2 PG 9 WC Computer Science, Theory & Methods SC Computer Science GA DA0OH UT WOS:000367496500014 ER PT J AU Khachatryan, V Sirunyan, AM Tumasyan, A Adam, W Asilar, E Bergauer, T Brandstetter, J Brondolin, E Dragicevic, M Ero, J Flechl, M Friedl, M Fruhwirthl, R Ghete, VM Hartl, C Hormann, N Hrubec, J Jeitler, M Knunz, V Konig, A Krammer, M Kratschmer, I Liko, D Matsushita, T Mikulec, I Rabady, D Rahbaran, B Rohringer, H Schieck, J Schofbeck, R Strauss, J Treberer-Treberspurg, W Waltenberger, W Wulz, CE Mossolov, V Shumeiko, N Gonzalez, JS Alderweireldt, S Cornelis, T De Wolf, EA Janssen, X Knutsson, A Lauwers, J Luyckx, S Van De Klundert, M Van Haevermaet, H Van Mechelen, P Van Remortel, N Van Spilbeeck, A Abu Zeid, S Blekman, F D'Hondt, J Daci, N De Bruyn, I Deroover, K Heracleous, N Keaveney, J Lowette, S Moreels, L Olbrechts, A Python, Q Strom, D Tavernier, S Van Doninck, W Van Mulders, P Van Onsem, GP Van Parijs, I Barria, P Brun, H Caillol, C Clerbaux, B De Lentdecker, G Fasanella, G Favart, L Grebenyuk, A Karapostoli, G Lenzi, T Leonard, A Maerschalk, T Marinov, A Pernie, L Randle-conde, A Seva, T Vander Velde, C Vanlaer, P Yonamine, R Zenoni, F Zhang, F Beernaert, K Benucci, L Cimmino, A Crucy, S Dobur, D Fagot, A Garcia, G Gul, M Mccartin, J Rios, AAO Poyraz, D Ryckbosch, D Salva, S Sigamani, M Tytgat, M Van Driessche, W Yazgan, E Zaganidis, N Basegmez, S Beluffi, C Bondu, O Brochet, S Bruno, G Caudron, A Ceard, L Da Silveira, GG Delaere, C Favart, D Forthomme, L Giammanco, A Hollar, J Jafari, A Jez, P Komm, M Lemaitre, V Mertens, A Musich, M Nuttens, C Perrini, L Pin, A Piotrzkowski, K Popov, A Quertenmont, L Selvaggi, M Marono, MV Beliy, N Hammad, GH Aida, WL Alves, FL Alves, GA Brito, L Martins, MC Hamer, M Hensel, C Herrera, CM Moraes, A Pol, ME Teles, PR Das Chagas, EBB Carvalho, W Chinellato, J Custodio, A Da Costa, EM Damiao, DDJ Martins, CDO De Souza, SF Guativa, LMH Malbouisson, H Figueiredo, DM Mundim, L Nogima, H Da Silva, WLP Santoro, A Sznajder, A Manganote, EJT Pereira, AV Ahuja, S Bernardes, CA Santos, ADS Dogra, S Tomei, TRFP Gregores, EM Mercadante, PC Moon, CS Novaes, SF Padula, SS Abad, DR Vargas, JCR Aleksandrov, A Hadjiiska, R Iaydjiev, P Rodozov, M Stoykova, S Sultanov, G Vutova, M Dimitrov, A Glushkov, I Litov, L Pavlov, B Petkov, P Ahmad, M Bian, JG Chen, GM Chen, HS Chen, M Cheng, T Du, R Jiang, CH Plestina, R Romeo, F Shaheen, SM Spiezia, A Tao, J Wang, C Wang, Z Zhang, H Asawatangtrakuldee, C Ban, Y Li, Q Liu, S Mao, Y Qian, SJ Wang, D Xu, Z Avila, C Cabrera, A Sierra, LFC Florez, C Gomez, JP Moreno, BG Sanabria, JC Godinovic, N Lelas, D Puljak, I Cipriano, PMR Antunovic, Z Kovac, M Brigljevic, V Kadija, K Luetic, J Micanovic, S Sudic, L Attikis, A Mavromanolakis, G Mousa, J Nicolaou, C Ptochos, F Razis, PA Rykaczewski, H Bodlak, M Finger, M Finger, M Abdelalim, AA Awad, A El Sawy, M Mahrousi, A Radi, A Calpas, B Kadastik, M Murumaa, M Raidal, M Tiko, A Veelken, C Eerola, P Pekkanen, J Voutilainen, M Harkonen, J Karimaki, V Kinnunen, R Lampen, T Lassila-Perini, K Lehti, S Linden, T Luukka, P Maenpaa, T Peltola, T Tuominen, E Tuominiemi, J Tuovinen, E Wendland, L Talvitie, J Tuuva, T Besancon, M Couderc, F Dejardin, M Denegri, D Fabbro, B Faure, JL Favaro, C Ferri, F Ganjour, S Givernaud, A Gras, P de Monchenault, GH Jarry, P Locci, E Machet, M Malcles, J Rander, J Rosowsky, A Titov, M Zghiche, A Antropov, I Baffioni, S Beaudette, F Busson, P Cadamuro, L Chapon, E Charlot, C Dahms, T Davignon, O Filipovic, N Florent, A de Cassagnac, RG Lisniak, S Mastrolorenzo, L Mine, P Naranjo, IN Nguyen, M Ochando, C Ortona, G Paganini, P Pigard, P Regnard, S Salerno, R Sauvan, JB Sirois, Y Strebler, T Yilmaz, Y Zabi, A Agram, JL Andrea, J Aubin, A Bloch, D Brom, JM Buttignol, M Chabert, EC Chanon, N Collard, C Conte, E Coubez, X Fontaine, JC Gele, D Goerlach, U Goetzmann, C Le Bihan, AC Merlin, JA Skovpen, K Van Hove, P Gadrat, S Beauceron, S Bernet, C Boudoul, G Bouvier, E Montoya, CAC Chierici, R Contardo, D Courbon, B Depasse, P El Mamouni, H Fan, J Fay, J Gascon, S Gouzevitch, M Ille, B Lagarde, F Laktineh, IB Lethuillier, M Mirabito, L Pequegnot, AL Perries, S Alvarez, JDR Sabes, D Sgandurra, L Sordini, V Vander Donckt, M Verdier, P Viret, S Toriashvili, T Tsamalaidze, Z Autermann, C Beranek, S Edelhoff, M Feld, L Heister, A Kiesel, MK Klein, K Lipinski, M Ostapchuk, A Preuten, M Raupach, F Schael, S Schulte, JF Verlage, T Weber, H Wittmer, B Zhukov, V Ata, M Brodski, M Dietz-Laursonn, E Duchardt, D Endres, M Erdmann, M Erdweg, S Esch, T Fischer, R Guuth, A Hebbeker, T Heidemann, C Hoepfner, K Knutzen, S Kreuzer, P Merschmeyer, M Meyer, A Millet, P Olschewski, M Padeken, K Papacz, P Pook, T Radziej, M Reithler, H Rieger, M Scheuch, F Sonnenschein, L Teyssier, D Thuer, S Cherepanov, V Erdogan, Y Flugge, G Geenen, H Geisler, M Hoehle, F Kargoll, B Kress, T Kuessel, Y Kunsken, A Lingemann, J Nehrkorn, A 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Long, K. Loveless, R. Mohapatra, A. Ojalvo, I. Perry, T. Pierro, G. A. Polese, G. Ruggles, T. Sarangi, T. Savin, A. Sharma, A. Smith, N. Smith, W. H. Taylor, D. Woods, N. CA CMS Collaboration TI Measurement of transverse momentum relative to dijet systems in PbPb and pp collisions at root s(NN)=2.76 TeV SO JOURNAL OF HIGH ENERGY PHYSICS LA English DT Article DE Heavy Ions; Quark gluon plasma; Heavy-ion collision ID QUARK-GLUON PLASMA; INCLUSIVE JET; ROOT-S-NN=2.76 TEV; ATLAS DETECTOR; COLLABORATION; PERSPECTIVE; SUPPRESSION; DEPENDENCE; CASCADES; MATTER AB An analysis of dijet events in PbPb and pp collisions is performed to explore the properties of energy loss by partons traveling in a quark-gluon plasma. Data are collected at a nucleon-nucleon center-of-mass energy of 2.76 TeV at the LHC. The distribution of transverse momentum (p(T)) surrounding dijet systems is measured by selecting charged particles in different ranges of p(T) and at different angular cones of pseudorapidity and azimuth. The measurement is performed as a function of centrality of the PbPb collisions, the p(T) asymmetry of the jets in the dijet pair, and the distance parameter R used in the anti-k(T) jet clustering algorithm. In events with unbalanced dijets, PbPb collisions show an enhanced multiplicity in the hemisphere of the subleading jet, with the p(T) imbalance compensated by an excess of low-p(T) particles at large angles from the jet axes. C1 [Khachatryan, V.; Sirunyan, A. M.; Tumasyan, A.] Yerevan Phys Inst, Yerevan 375036, Armenia. [Adam, W.; Asilar, E.; Bergauer, T.; Brandstetter, J.; Brondolin, E.; Dragicevic, M.; Eroe, J.; Flechl, M.; Friedl, M.; Fruehwirthl, R.; Ghete, V. 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[Barone, L.; Cavallari, F.; Dimperio, G.; Del Re, D.; Diemoz, M.; Gelli, S.; Jorda, C.; Longo, E.; Margaroli, F.; Meridiani, P.; Organtini, G.; Paramatti, R.; Preiato, F.; Rahatlou, S.; Rovelli, C.; Santanastasio, F.] Ist Nazl Fis Nucl, Sez Roma, Rome, Italy. [Barone, L.; Dimperio, G.; Del Re, D.; Gelli, S.; Longo, E.; Margaroli, F.; Organtini, G.; Preiato, F.; Rahatlou, S.; Santanastasio, F.; Traczyk, P.] Univ Rome, Rome, Italy. [Amapane, N.; Arcidiacono, R.; Argiro, S.; Arneodo, M.; Bellan, R.; Biino, C.; Cartiglia, N.; Costa, M.; Covarelli, R.; Degano, A.; Demaria, N.; Finco, L.; Kiani, B.; Mariotti, C.; Maselli, S.; Migliore, E.; Monaco, V.; Monteil, E.; Obertino, M. M.; Pacher, L.; Pastrone, N.; Pelliccioni, M.; Angioni, G. L. Pinna; Ravera, F.; Romero, A.; Ruspa, M.; Sacchi, R.; Solano, A.; Staiano, A.] Ist Nazl Fis Nucl, Sez Torino, I-10125 Turin, Italy. 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[Song, S.] Chonnam Natl Univ, Inst Universe & Elementary Particles, Kwangju, South Korea. [Choi, S.; Go, Y.; Gyun, D.; Hong, B.; Jo, M.; Kim, H.; Kim, Y.; Lee, B.; Lee, K.; Lee, K. S.; Lee, S.; Park, S. K.; Roh, Y.] Korea Univ, Seoul, South Korea. [Yoo, H. D.] Seoul Natl Univ, Seoul, South Korea. [Choi, M.; Kim, H.; Kim, J. H.; Lee, J. S. H.; Park, I. C.; Ryu, G.; Ryu, M. S.] Univ Seoul, Seoul, South Korea. [Choi, Y.; Goh, J.; Kim, D.; Kwon, E.; Lee, J.; Yu, I.] Sungkyunkwan Univ, Suwon, South Korea. [Dudenas, V.; Juodagalvis, A.; Vaitkus, J.] Vilnius Univ, Vilnius, Lithuania. [Ahmed, I.; Ibrahim, Z. A.; Komaragiri, J. R.; Ali, M. A. B. Md; Idris, F. Mohamad; Abdullah, W. A. T. Wan; Yusli, M. N.] Univ Malaya, Natl Ctr Particle Phys, Kuala Lumpur, Malaysia. [Casimiro Linares, E.; Castilla-Valdez, H.; De La Cruz-Burelo, E.; Heredia-De La Cruz, I.; Hernandez-Almada, A.; Lopez-Fernandez, R.; Sanchez-Hernandez, A.] IPN, Ctr Invest & Estudios Avanzados, Mexico City 07738, DF, Mexico. 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C.; Gallinaro, M.; Leonardo, N.; Lloret Iglesias, L.; Nguyen, F.; Rodrigues Antunes, J.; Seixas, J.; Toldaiev, O.; Vadruccio, D.; Varela, J.; Vischia, P.] Lab Instrumentacao & Fis Expt Particulas, Lisbon, Portugal. [Finger, M.; Finger, M., Jr.; Tsamalaidze, Z.; Afanasiev, S.; Bunin, P.; Gavrilenko, M.; Golutvin, I.; Gorbunov, I.; Kamenev, A.; Karjavin, V.; Konoplyanikov, V.; Laney, A.; Malakhov, A.; Matveev, V.; Moisenz, P.; Palichik, V.; Perelygin, V.; Shmatov, S.; Shulha, S.; Skatchkov, N.; Smirnov, V.; Zarubin, A.] Joint Inst Nucl Res, Dubna, Russia. [Golovtsov, V.; Ivanov, Y.; Kim, V.; Kuznetsova, E.; Levchenko, P.; Murzin, V.; Oreshkin, V.; Smirnov, I.; Sulimov, V.; Uvarov, L.; Vavilov, S.; Vorobyev, A.] Petersburg Nucl Phys Inst, St Petersburg, Russia. [Matveev, V.; Andreev, Yu; Dermenev, A.; Gninenko, S.; Golubev, N.; Karneyeu, A.; Kirsanov, M.; Krasnikov, N.; Pashenkov, A.; Tlisov, D.; Toropin, A.; Musienko, Y.] Russian Acad Sci, Inst Nucl Res, Moscow 117312, Russia. [Epshteyn, V.; Gavrilov, V.; Lychkovskaya, N.; Popov, V.; Pozdnyakov, I.; Safronov, G.; Spiridonov, A.; Vlasov, E.; Zhokin, A.; Starodumov, A.; Nikitenko, A.] Inst Theoret & Expt Phys, Moscow 117259, Russia. [Matveev, V.; Bylinkin, A.; Azarkin, M.; Dremin, I.; Leonidov, A.] Natl Res Nucl Univ, Moscow Engn Phys Inst MEPhI, Moscow, Russia. [Andreev, V.; Azarkin, M.; Dremin, I.; Kirakosyan, M.; Leonidov, A.; Mesyats, G.; Rusakov, S. V.] PN Lebedev Phys Inst, Leninsky Prospect 53, Moscow 117924, Russia. [Popov, A.; Zhukov, V.; Katkov, I.; Baskakov, A.; Belyaev, A.; Boos, E.; Ershov, A.; Gribushin, A.; Kaminskiy, A.; Kodolova, O.; Korotkikh, V.; Lokhtin, I.; Myagkov, I.; Obraztsov, S.; Petrushanko, S.; Savrin, V.; Snigirev, A.; Vardanyan, I.] Moscow MV Lomonosov State Univ, Skobeltsyn Inst Nucl Phys, Moscow, Russia. [Azhgirey, I.; Bayshev, I.; Bitioukov, S.; Kachanov, V.; Kalinin, A.; Konstantinov, D.; Krychkine, V.; Petrov, V.; Ryutin, R.; Sobol, A.; Tourtchanovitch, L.; Troshin, S.; Tyurin, N.; Uzunian, A.; Volkov, A.] Inst High Energy Phys, State Res Ctr Russian Federat, Protvino, Russia. [Adzic, P.; Cirkovic, P.; Milosevic, J.; Rekovic, V.; Milenovic, P.] Univ Belgrade, Fac Phys, Belgrade, Serbia. [Adzic, P.; Cirkovic, P.; Milosevic, J.; Rekovic, V.; Milenovic, P.] Vinca Inst Nucl Sci, Belgrade, Serbia. [Alcaraz Maestre, J.; Calvo, E.; Cerrada, M.; Chamizo Llatas, M.; Colino, N.; De La Cruz, B.; Delgado Peris, A.; Dominguez Vazquez, D.; Escalante Del Valle, A.; Fernandez Bedoya, C.; Fernandez Ramos, J. P.; Flix, J.; Fouz, M. C.; Garcia-Abia, P.; Gonzalez Lopez, O.; Goy Lopez, S.; Hernandez, J. M.; Josa, M. I.; Navarro De Martino, E.; Perez-Calero Yzquierdo, A.; Puerta Pelayo, J.; Quintario Olmeda, A.; Redondo, I.; Romero, L.; Santaolalla, J.; Soares, M. 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A.; Marzocchi, B.; Di Guida, S.; Meola, S.; Paolucci, P.; Azzi, P.; Dall'Osso, M.; Pazzini, J.; Zucchetta, A.; Ciangottini, D.; Azzurri, P.; Donato, S.; Dimperio, G.; Del Re, D.; Traczyk, P.; Arcidiacono, R.; Finco, L.; Candelise, V.; Abbaneo, D.; Auffray, E.; Auzinger, G.; Bachtis, M.; Baillon, P.; Ball, A. H.; Barney, D.; Benaglia, A.; Bendavid, J.; Benhabib, L.; Benitez, J. F.; Berruti, G. M.; Bloch, P.; Bocci, A.; Bonato, A.; Botta, C.; Breuker, H.; Camporesi, T.; Castello, R.; Cerminara, G.; D'Alfonso, M.; d'Enterria, D.; Dabrowski, A.; Daponte, V.; David, A.; De Gruttola, M.; De Guio, F.; De Roeck, A.; De Visscher, S.; Di Marco, E.; Dobson, M.; Dordevic, M.; Dorney, B.; du Pree, T.; Duggan, D.; Duenser, M.; Dupont, N.; Elliott-Peisert, A.; Franzoni, G.; Fulcher, J.; Funk, W.; Gigi, D.; Gill, K.; Giordano, D.; Girone, M.; Glege, F.; Guida, R.; Gundacker, S.; Guthoff, M.; Hammer, J.; Harris, P.; Hegeman, J.; Innocente, V.; Janot, P.; Kirschenmann, H.; Kortelainen, M. J.; Kousouris, K.; Krajczar, K.; Lecoq, P.; Lourenco, C.; Lucchini, M. T.; Magini, N.; Malgeri, L.; Mannelli, M.; Martelli, A.; Masetti, L.; Meijers, F.; Mersi, S.; Meschi, E.; Moortgat, F.; Morovic, S.; Mulders, M.; Nemallapudi, M. V.; Neugebauer, H.; Orfanelli, S.; Orsini, L.; Pape, L.; Perez, E.; Peruzzi, M.; Petrilli, A.; Petrucciani, G.; Pfeiffer, A.; Piparo, D.; Racz, A.; Reis, T.; Rolandi, G.; Rovere, M.; Ruan, M.; Sakulin, H.; Schaefer, C.; Schwick, C.; Seidel, M.; Sharma, A.; Silva, P.; Simon, M.; Sphicas, P.; Steggemann, J.; Stieger, B.; Stoye, M.; Takahashi, Y.; Treille, D.; Triossi, A.; Tsirou, A.; Veres, G. I.; Wardle, N.; Woehri, H. K.; Zagozdzinska, A.; Zeuner, W. D.] CERN, European Org Nucl Res, CH-1211 Geneva, Switzerland. [Bertl, W.; Deiters, K.; Erdmann, W.; Horisberger, R.; Ingram, Q.; Kaestli, H. C.; Kotlinski, D.; Langenegger, U.; Renker, D.; Rohe, T.] Paul Scherrer Inst, Villigen, Switzerland. [Bachmair, F.; Baeni, L.; Bianchini, L.; Casal, B.; Dissertori, G.; Dittmar, M.; Donega, M.; Eller, P.; Grab, C.; Heidegger, C.; Hits, D.; Hoss, J.; Kasieczka, G.; Lustermann, W.; Mangano, B.; Marionneau, M.; del Arbol, P. Martinez Ruiz; Masciovecchio, M.; Meister, D.; Micheli, F.; Musella, P.; Nessi-Tedaldi, F.; Pandolfi, F.; Pata, J.; Pauss, F.; Perrozzi, L.; Quittnat, M.; Rossini, M.; Starodumov, A.; Takahashi, M.; Tavolaro, V. R.; Theofilatos, K.; Wallny, R.] ETH, Inst Particle Phys, Zurich, Switzerland. [Aarrestad, T. K.; Amsler, C.; Caminada, L.; Canelli, M. F.; Chiochia, V.; De Cosa, A.; Galloni, C.; Hinzmann, A.; Hreus, T.; Kilminster, B.; Lange, C.; Ngadiuba, J.; Pinna, D.; Robmann, P.; Ronga, F. J.; Salerno, D.; Yang, Y.] Univ Zurich, Zurich, Switzerland. [Cardaci, M.; Chen, K. H.; Doan, T. H.; Jain, Sh.; Khurana, R.; Konyushikhin, M.; Kuo, C. M.; Lin, W.; Lu, Y. J.; Yu, S. S.] Natl Cent Univ, Chungli 32054, Taiwan. [Kumar, Arun; Bartek, R.; Chang, P.; Chang, Y. H.; Chang, Y. W.; Chao, Y.; Chen, K. F.; Chen, P. H.; Dietz, C.; Fiori, F.; Grundler, U.; Hou, W. -S.; Hsiung, Y.; Liu, Y. F.; Lu, R. -S.; Moya, M. Minano; Petrakou, E.; Tsai, J. F.; Tzeng, Y. M.] Natl Taiwan Univ, Taipei 10764, Taiwan. [Asavapibhop, B.; Kovitanggoon, K.; Singh, G.; Srimanobhas, N.; Suwonjandee, N.] Chulalongkorn Univ, Fac Sci, Dept Phys, Bangkok, Thailand. [Adiguzel, A.; Cerci, S.; Demiroglu, Z. S.; Dozen, C.; Dumanoglu, I.; Girgis, S.; Gokbulut, G.; Guler, Y.; Gurpinar, E.; Hos, I.; Kangal, E. E.; Topaksu, A. Kayis; Onengut, G.; Ozdemir, K.; Ozturk, S.; Tali, B.; Topakli, H.; Vergili, M.; Zorbilmez, C.] Cukurova Univ, Adana, Turkey. [Akin, I. V.; Bilin, B.; Bilmis, S.; Isildak, B.; Karapinar, G.; Yalvac, M.; Zeyrek, M.] Middle E Tech Univ, Dept Phys, TR-06531 Ankara, Turkey. [Gulmez, E.; Kaya, M.; Kaya, O.; Yetkin, E. A.; Yetkin, T.] Bogazici Univ, Istanbul, Turkey. [Cakir, A.; Cankocak, K.; Sen, S.; Vardarh, F. I.] Istanbul Tech Univ, TR-80626 Istanbul, Turkey. 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[Baber, M.; Bainbridge, R.; Buchmuller, O.; Bundock, A.; Burton, D.; Casasso, S.; Citron, M.; Colling, D.; Corpe, L.; Cripps, N.; Dauncey, P.; Davies, G.; De Wit, A.; Della Negra, M.; Dunne, P.; Elwood, A.; Ferguson, W.; Futyan, D.; Hall, G.; Iles, G.; Kenzie, M.; Lane, R.; Lucas, R.; Lyons, L.; Magnan, A. -M.; Malik, S.; Nash, J.; Nikitenko, A.; Pela, J.; Pesaresi, M.; Petridis, K.; Raymond, D. M.; Richards, A.; Rose, A.; Seez, C.; Tapper, A.; Uchida, K.; Acosta, M. Vazquez; Virdee, T.; Zenz, S. C.] Univ London Imperial Coll Sci Technol & Med, London, England. [Cole, J. E.; Hobson, P. R.; Khan, A.; Kyberd, P.; Leggat, D.; Leslie, D.; Reid, I. D.; Symonds, P.; Teodorescu, L.; Turner, M.] Brunel Univ, Uxbridge UB8 3PH, Middx, England. [Borzou, A.; Call, K.; Dittmann, J.; Hatakeyama, K.; Liu, H.; Pastika, N.] Baylor Univ, Waco, TX 76798 USA. [Charaf, O.; Cooper, S. I.; Henderson, C.; Rumerio, P.] Univ Alabama, Tuscaloosa, AL USA. [Arcaro, D.; Avetisyan, A.; Bose, T.; Fantasia, C.; Gastler, D.; Lawson, P.; Rankin, D.; Richardson, C.; Rohlf, J.; John, J. St.; Sulak, L.; Zou, D.] Boston Univ, Boston, MA 02215 USA. [Alimena, J.; Berry, E.; Bhattacharya, S.; Cutts, D.; Dhingra, N.; Ferapontov, A.; Garabedian, A.; Hakala, J.; Heintz, U.; Laird, E.; Landsberg, G.; Mao, Z.; Narain, M.; Piperov, S.; Sagir, S.; Syarif, R.] Brown Univ, Providence, RI 02912 USA. [Breedon, R.; Breto, G.; Sanchez, M. Calderon De La Barca; Chauhan, S.; Chertok, M.; Conway, J.; Conway, R.; Cox, P. T.; Erbacher, R.; Gardner, M.; Ko, W.; Lander, R.; Mulhearn, M.; Pellett, D.; Pilot, J.; Ricci-Tam, F.; Shalhout, S.; Smith, J.; Squires, M.; Stolp, D.; Tripathi, M.; Wilbur, S.; Yohay, R.] Univ Calif Davis, Davis, CA 95616 USA. [Cousins, R.; Everaerts, P.; Farrell, C.; Hauser, J.; Ignatenko, M.; Saltzberg, D.; Takasugi, E.; Valuev, V.; Weber, M.] Univ Calif Los Angeles, Los Angeles, CA USA. [Burt, K.; Clare, R.; Ellison, J.; Gary, J. W.; Hanson, G.; Heilman, J.; Paneva, M. Ivova; Jandir, P.; Kennedy, E.; Lacroix, F.; Long, O. R.; Luthra, A.; Malberti, M.; Negrete, M. Olmedo; Shrinivas, A.; Wei, H.; Wimpenny, S.; Yates, B. R.] Univ Calif Riverside, Riverside, CA 92521 USA. [Branson, J. G.; Cerati, G. B.; Cittolin, S.; D'Agnolo, R. T.; Derdzinski, M.; Holzner, A.; Kelley, R.; Klein, D.; Letts, J.; Macneill, I.; Olivito, D.; Padhi, S.; Pieri, M.; Sani, M.; Sharma, V.; Simon, S.; Tadel, M.; Vartak, A.; Wasserbaech, S.; Welke, C.; Wuerthwein, F.; Yagil, A.; Della Porta, G. Zevi] Univ Calif San Diego, La Jolla, CA 92093 USA. [Bradmiller-Feld, J.; Campagnari, C.; Dishaw, A.; Dutta, V.; Flowers, K.; Sevilla, M. Franco; Geffert, P.; George, C.; Golf, F.; Gouskos, L.; Gran, J.; Incandela, J.; Mccoll, N.; Mullin, S. D.; Richman, J.; Stuart, D.; Suarez, I.; West, C.; Yoo, J.] Univ Calif Santa Barbara, Santa Barbara, CA 93106 USA. [Anderson, D.; Apresyan, A.; Bornheim, A.; Bunn, J.; Chen, Y.; Duarte, J.; Mott, A.; Newman, H. B.; Pena, C.; Pierini, M.; Spiropulu, M.; Vlimant, J. R.; Xie, S.; Zhu, R. Y.] CALTECH, Pasadena, CA 91125 USA. [Andrews, M. B.; Azzolini, V.; Calamba, A.; Carlson, B.; Ferguson, T.; Paulini, M.; Russ, J.; Sun, M.; Vogel, H.; Vorobiev, I.] Carnegie Mellon Univ, Pittsburgh, PA 15213 USA. [Cumalat, J. P.; Ford, W. T.; Gaz, A.; Jensen, F.; Johnson, A.; Krohn, M.; Mulholland, T.; Nauenberg, U.; Stenson, K.; Wagner, S. R.] Univ Colorado, Boulder, CO 80309 USA. [Alexander, J.; Chatterjee, A.; Chaves, J.; Chu, J.; Dittmer, S.; Eggert, N.; Mirman, N.; Kaufman, G. Nicolas; Patterson, J. R.; Rinkevicius, A.; Ryd, A.; Skinnari, L.; Soffi, L.; Sun, W.; Tan, S. M.; Teo, W. D.; Thom, J.; Thompson, J.; Tucker, J.; Weng, Y.; Wittich, P.] Cornell Univ, Ithaca, NY USA. [Abdullin, S.; Albrow, M.; Apollinari, G.; Banerjee, S.; Bauerdick, L. A. T.; Beretvas, A.; Berryhill, J.; Bhat, P. C.; Bolla, G.; Burkett, K.; Butler, J. N.; Cheung, H. W. K.; Chlebana, F.; Cihangir, S.; Elvira, V. D.; Fisk, I.; Freeman, J.; Gottschalk, E.; Gray, L.; Green, D.; Gruenendahl, S.; Hanlon, J.; Hare, D.; Harris, R. M.; Hasegawa, S.; Hirschauer, J.; Hu, Z.; Jayatilaka, B.; Jindariani, S.; Johnson, M.; Joshi, U.; Jung, A. W.; Klima, B.; Kreis, B.; Kwan, S.; Lammel, S.; Linacre, J.; Lincoln, D.; Lipton, R.; Liu, T.; De Sa, R. Lopes; Lykken, J.; Maeshima, K.; Marraffino, J. M.; Outschoorn, V. I. Martinez; Maruyama, S.; Mason, D.; McBride, P.; Merkel, P.; Mishra, K.; Mrenna, S.; Nahn, S.; Newman-Holmes, C.; O'Dell, V.; Pedro, K.; Prokofyev, O.; Rakness, G.; Sexton-Kennedy, E.; Soha, A.; Spalding, W. J.; Spiegel, L.; Strobbe, N.; Taylor, L.; Tkaczyk, S.; Tran, N. V.; Uplegger, L.; Vaandering, E. W.; Vernieri, C.; Verzocchi, M.; Vidal, R.; Weber, H. A.; Whitbeck, A.; Yang, F.] Fermilab Natl Accelerator Lab, POB 500, Batavia, IL 60510 USA. [Acosta, D.; Avery, P.; Bortignon, P.; Bourilkov, D.; Carnes, A.; Carver, M.; Curry, D.; Das, S.; Field, R. D.; Furic, I. K.; Gleyzer, S. V.; Hugon, J.; Konigsberg, J.; Korytov, A.; Low, J. F.; Ma, P.; Matchev, K.; Mei, H.; Milenovic, P.; Mitselmakher, G.; Rank, D.; Rossin, R.; Shchutska, L.; Snowball, M.; Sperka, D.; Terentyev, N.; Thomas, L.; Wang, J.; Wang, S.; Yelton, J.] Univ Florida, Gainesville, FL USA. [Hewamanage, S.; Linn, S.; Markowitz, P.; Martinez, G.; Rodriguez, J. L.] Florida Int Univ, Miami, FL 33199 USA. [Ackert, A.; Adams, J. R.; Adams, T.; Askew, A.; Bein, S.; Bochenek, J.; Diamond, B.; Haas, J.; Hagopian, S.; Hagopian, V.; Johnson, K. F.; Khatiwada, A.; Prosper, H.; Weinberg, M.] Florida State Univ, Tallahassee, FL 32306 USA. [Baarmand, M. M.; Bhopatkar, V.; Colafranceschi, S.; Hohlmann, M.; Kalakhety, H.; Noonan, D.; Roy, T.; Yumiceva, F.] Florida Inst Technol, Melbourne, FL 32901 USA. [Adams, M. R.; Apanasevich, L.; Berry, D.; Betts, R. R.; Bucinskaite, I.; Cavanaugh, R.; Evdokimov, O.; Gauthier, L.; Gerber, C. E.; Hofman, D. J.; Kurt, P.; O'Brien, C.; Gonzalez, I. D. Sandoval; Silkworth, C.; Trauger, H.; Turner, P.; Varelas, N.; Wu, Z.; Zakaria, M.] Univ Illinois Chicago UIC, Chicago, IL USA. [Bilki, B.; Clarida, W.; Dilsiz, K.; Durgut, S.; Gandrajula, R. P.; Haytmyradov, M.; Khristenko, V.; Merlo, J. -P.; Mermerkaya, H.; Mestvirishvili, A.; Moeller, A.; Nachtman, J.; Ogul, H.; Onel, Y.; Ozok, F.; Penzo, A.; Snyder, C.; Tiras, E.; Wetzel, J.; Yi, K.] Univ Iowa, Iowa City, IA USA. [Anderson, I.; Barnett, B. A.; Blumenfeld, B.; Eminizer, N.; Fehling, D.; Feng, L.; Gritsan, A. V.; Maksimovic, P.; Martin, C.; Osherson, M.; Roskes, J.; Sady, A.; Sarica, U.; Swartz, M.; Xiao, M.; Xin, Y.; You, C.] Johns Hopkins Univ, Baltimore, MD USA. [Baringer, P.; Bean, A.; Benelli, G.; Bruner, C.; Kenny, R. P., III; Majumder, D.; Malek, M.; Murray, M.; Sanders, S.; Stringer, R.; Wang, Q.] Univ Kansas, Lawrence, KS 66045 USA. [Ivanov, A.; Kaadze, K.; Khalil, S.; Makouski, M.; Maravin, Y.; Mohammadi, A.; Saini, L. K.; Skhirtladze, N.; Toda, S.] Kansas State Univ, Manhattan, KS 66506 USA. [Lange, D.; Rebassoo, F.; Wright, D.] Lawrence Livermore Natl Lab, Livermore, CA USA. [Anelli, C.; Baden, A.; Baron, O.; Belloni, A.; Calvert, B.; Eno, S. C.; Ferraioli, C.; Gomez, J. A.; Hadley, N. J.; Jabeen, S.; Kellogg, R. G.; Kolberg, T.; Kunkle, J.; Lu, Y.; Mignerey, A. C.; Shin, Y. H.; Skuja, A.; Tonjes, M. B.; Tonwar, S. C.] Univ Maryland, College Pk, MD 20742 USA. [De Roeck, A.; Apyan, A.; Barbieri, R.; Baty, A.; Bierwagen, K.; Brandt, S.; Busza, W.; Cali, I. A.; Demiragli, Z.; Di Matteo, L.; Ceballos, G. Gomez; Goncharov, M.; Gulhan, D.; Iiyama, Y.; Innocenti, G. M.; Klute, M.; Kovalskyi, D.; Lai, Y. S.; Lee, Y. -J.; Levin, A.; Luckey, P. D.; Marini, A. C.; Mcginn, C.; Mironov, C.; Narayanan, S.; Niu, X.; Paus, C.; Ralph, D.; Roland, C.; Roland, G.; Salfeld-Nebgen, J.; Stephans, G. S. F.; Sumorok, K.; Varma, M.; Velicanu, D.; Veverka, J.; Wang, J.; Wang, T. W.; Wyslouch, B.; Yang, M.; Zhukova, V.] MIT, Cambridge, MA 02139 USA. [Dahmes, B.; Evans, A.; Finkel, A.; Gude, A.; Hansen, P.; Kalafut, S.; Kao, S. C.; Klapoetke, K.; Kubota, Y.; Lesko, Z.; Mans, J.; Nourbakhsh, S.; Ruckstuhl, N.; Rusack, R.; Tambe, N.; Turkewitz, J.] Univ Minnesota, Minneapolis, MN USA. [Acosta, J. G.; Oliveros, S.] Univ Mississippi, Oxford, MS USA. [Avdeeva, E.; Bloom, K.; Bose, S.; Claes, D. R.; Dominguez, A.; Fangmeier, C.; Suarez, R. Gonzalez; Kamalieddin, R.; Keller, J.; Knowlton, D.; Kravchenko, I.; Meier, F.; Monroy, J.; Ratnikov, F.; Siado, J. E.; Snow, G. R.] Univ Nebraska Lincoln, Lincoln, NE USA. [Alyari, M.; Dolen, J.; George, J.; Godshalk, A.; Harrington, C.; Iashvili, I.; Kaisen, J.; Kharchilava, A.; Kumar, A.; Rappoccio, S.; Roozbahani, B.] SUNY Buffalo, Buffalo, NY 14260 USA. [Alverson, G.; Barberis, E.; Baumgartel, D.; Chasco, M.; Hortiangtham, A.; Massironi, A.; Morse, D. M.; Nash, D.; Orimoto, T.; De Lima, R. Teixeira; Trocino, D.; Wang, R. -J.; Wood, D.; Zhang, J.] Northeastern Univ, Boston, MA 02115 USA. [Hahn, K. A.; Kubik, A.; Mucia, N.; Odell, N.; Pollack, B.; Pozdnyakov, A.; Schmitt, M.; Stoynev, S.; Sung, K.; Trovato, M.; Velasco, M.] Northwestern Univ, Evanston, IL USA. [Brinkerhoff, A.; Dev, N.; Hildreth, M.; Jessop, C.; Karmgard, D. J.; Kellams, N.; Lannon, K.; Marinelli, N.; Meng, F.; Mueller, C.; Musienko, Y.; Planer, M.; Reinsvold, A.; Ruchti, R.; Smith, G.; Taroni, S.; Valls, N.; Wayne, M.; Wolf, M.; Woodard, A.] Univ Notre Dame, Notre Dame, IN 46556 USA. [Antonelli, L.; Brinson, J.; Bylsma, B.; Durkin, L. S.; Flowers, S.; Hart, A.; Hill, C.; Hughes, R.; Ji, W.; Kotov, K.; Ling, T. Y.; Liu, B.; Luo, W.; Puigh, D.; Rodenburg, M.; Winer, B. L.; Wulsin, H. W.] Ohio State Univ, Columbus, OH 43210 USA. [Driga, O.; Elmer, P.; Hardenbrook, J.; Hebda, P.; Koay, S. A.; Lujan, P.; Marlow, D.; Medvedeva, T.; Mooney, M.; Olsen, J.; Palmer, C.; Piroue, P.; Saka, H.; Stickland, D.; Tully, C.; Zuranski, A.] Princeton Univ, Princeton, NJ 08544 USA. [Malik, S.] Univ Puerto Rico, Mayaguez, PR USA. [Savoy-Navarro, A.; Barnes, V. E.; Benedetti, D.; Bortoletto, D.; Gutay, L.; Jha, M. K.; Jones, M.; Jung, K.; Miller, D. H.; Neumeister, N.; Radburn-Smith, B. C.; Shi, X.; Shipsey, I.; Silvers, D.; Sun, J.; Svyatkovskiy, A.; Wang, F.; Xie, W.; Xu, L.] Purdue Univ, W Lafayette, IN 47907 USA. [Parashar, N.; Stupak, J.] Purdue Univ Calumet, Hammond, LA USA. [Adair, A.; Akgun, B.; Chen, Z.; Ecklund, K. M.; Geurts, F. J. M.; Guilbaud, M.; Li, W.; Michlin, B.; Northup, M.; Padley, B. P.; Redjimi, R.; Roberts, J.; Rorie, J.; Tu, Z.; Zabel, J.] Rice Univ, Houston, TX USA. [Betchart, B.; Bodek, A.; de Barbaro, P.; Demina, R.; Eshaq, Y.; Ferbel, T.; Galanti, M.; Garcia-Bellido, A.; Han, J.; Harel, A.; Hindrichs, O.; Khukhunaishvili, A.; Petrillo, G.; Tan, P.; Verzetti, M.] Univ Rochester, Rochester, NY 14627 USA. [Arora, S.; Barker, A.; Chou, J. P.; Contreras-Campana, C.; Contreras-Campana, E.; Ferencek, D.; Gershtein, Y.; Gray, R.; Halkiadakis, E.; Hidas, D.; Hughes, E.; Kaplan, S.; Elayavalli, R. Kunnawalkam; Lath, A.; Nash, K.; Panwalkar, S.; Park, M.; Salur, S.; Schnetzer, S.; Sheffield, D.; Somalwar, S.; Stone, R.; Thomas, S.; Thomassen, P.; Walker, M.] Rutgers State Univ, Piscataway, NJ USA. [Foerster, M.; Riley, G.; Rose, K.; Spanier, S.; York, A.] Univ Tennessee, Knoxville, TN USA. [De Roeck, A.; Hindrichs, O.; Bouhali, O.; Hernandez, A. Castaneda; Celik, A.; Dalchenko, M.; De Mattia, M.; Delgado, A.; Dildick, S.; Eusebi, R.; Gilmore, J.; Huang, T.; Kamon, T.; Krutelyov, V.; Mueller, R.; Osipenkov, I.; Pakhotin, Y.; Patel, R.; Perloff, A.; Rose, A.; Safonov, A.; Tatarinov, A.; Ulmer, K. A.] Texas A&M Univ, College Stn, TX USA. [Akchurin, N.; Cowden, C.; Damgov, J.; Dragoiu, C.; Dudero, P. R.; Faulkner, J.; Kunori, S.; Lamichhane, K.; Lee, S. W.; Libeiro, T.; Undleeb, S.; Volobouev, I.] Texas Tech Univ, Lubbock, TX 79409 USA. [Appelt, E.; Delannoy, A. G.; Greene, S.; Gurrola, A.; Janjam, R.; Johns, W.; Maguire, C.; Mao, Y.; Melo, A.; Ni, H.; Sheldon, P.; Snook, B.; Tuo, S.; Velkovska, J.; Xu, Q.] Vanderbilt Univ, 221 Kirkland Hall, Nashville, TN 37235 USA. [Arenton, M. W.; Cox, B.; Francis, B.; Goodell, J.; Hirosky, R.; Ledovskoy, A.; Li, H.; Lin, C.; Neu, C.; Sinthuprasith, T.; Sun, X.; Wang, Y.; Wolfe, E.; Wood, J.; Xia, F.] Univ Virginia, Charlottesville, VA USA. [Clarke, C.; Harr, R.; Karchin, P. E.; Don, C. Kottachchi Kankanamge; Lamichhane, P.; Sturdy, J.] Wayne State Univ, Detroit, MI USA. [Belknap, D. A.; Carlsmith, D.; Cepeda, M.; Dasu, S.; Dodd, L.; Duric, S.; Comber, B.; Grothe, M.; Hall-Wilton, R.; Herndon, M.; Herve, A.; Klabbers, P.; Lanaro, A.; Levine, A.; Long, K.; Loveless, R.; Mohapatra, A.; Ojalvo, I.; Perry, T.; Pierro, G. A.; Polese, G.; Ruggles, T.; Sarangi, T.; Savin, A.; Sharma, A.; Smith, N.; Smith, W. H.; Taylor, D.; Woods, N.] Univ Wisconsin, Madison, WI 53706 USA. [Fruehwirthl, R.; Jeitler, M.; Krammer, M.; Schieck, J.; Wulz, C-E.] Vienna Univ Technol, A-1040 Vienna, Austria. [Chinellato, J.; Tonelli Manganote, E. J.] Univ Estadual Campinas, Campinas, SP, Brazil. [Moon, C. S.] CNRS IN2P3, Paris, France. [Abdelalim, A. A.; Mahrousi, A.] Helwan Univ, Cairo, Egypt. [Abdelalim, A. A.] Zewail City Sci & Technol, Zewail, Egypt. [El Sawy, M.] Beni Suef Univ, Bani Sweif, Egypt. [El Sawy, M.; Radi, A.] British Univ Egypt, Cairo, Egypt. [Radi, A.] Ain Shams Univ, Cairo, Egypt. [Agram, J. -L.; Conte, E.] Univ Haute Alsace, Mulhouse, France. [Toriashvili, T.] Tbilisi State Univ, GE-380086 Tbilisi, Rep of Georgia. [Choudhury, S.] Inst Sci Educ & Res, Bhopal, India. [Hempe, M.; Karacheban, O.; Marfln, I.] Brandenburg Tech Univ Cottbus, Cottbus, Germany. [Vesztergombi, G.; Veres, G. I.] Eotvos Lorand Univ, Budapest, Hungary. [Bhowmik, S.; Maity, M.; Sarkar, T.] Visva Bharati Univ, Santini Ketan, W Bengal, India. [Gurtu, A.] King Abdulaziz Univ, Jeddah 21413, Saudi Arabia. [Wickramage, N.] Univ Ruhuna, Matara, Sri Lanka. [Etesami, S. M.] Isfahan Univ Technol, Esfahan, Iran. [Fahim, A.] Univ Tehran, Dept Engn Sci, Tehran, Iran. [Safarzadeh, B.] Islamic Azad Univ, Plasma Phys Res Ctr, Sci & Res Branch, Tehran, Iran. [Maron, G.] Ist Nazl Fis Nucl, Lab Nazl Legnaro, I-35020 Legnaro, Italy. [Androsov, K.; Ciocci, M. A.; Grippo, M. T.] Univ Siena, Via Laterina 8, I-53100 Siena, Italy. [Ali, M. A. B. Md] Int Islamic Univ Malaysia, Kuala Lumpur, Malaysia. [Idris, F. Mohamad] MOSTI, Malaysian Nucl Agcy, Kajang, Malaysia. [Heredia-De La Cruz, I.] Consejo Nacl Cient & Tecn, Mexico City, DF, Mexico. [Byszuk, A.; Zagozdzinska, A.] Warsaw Univ Technol, Inst Elect Syst, Warsaw, Poland. [Kim, V.] St Petersburg State Polytech Univ, St Petersburg, Russia. [Orfanelli, S.] Natl Tech Univ Athens, Athens, Greece. [Rolandi, G.] Ist Nazl Fis Nucl, Scuola Normale & Sez, Pisa, Italy. [Amsler, C.] Albert Einstein Ctr Fundamental Phys, Bern, Switzerland. [Cerci, S.; Tali, B.] Adiyaman Univ, Adiyaman, Turkey. [Kangal, E. E.] Mersin Univ, Mersin, Turkey. [Onengut, G.] Cag Univ, Mersin, Turkey. [Ozdemir, K.] Piri Reis Univ, Istanbul, Turkey. [Ozturk, S.; Topakli, H.] Gaziosmanpasa Univ, Tokat, Turkey. [Isildak, B.] Ozyegin Univ, Istanbul, Turkey. [Karapinar, G.] Izmir Inst Technol, Izmir, Turkey. [Kaya, M.] Marmara Univ, Istanbul, Turkey. [Kaya, O.] Kafkas Univ, Kars, Turkey. [Yetkin, E. A.; Ozok, F.] Mimar Sinan Univ, Istanbul, Turkey. [Yetkin, T.] Yildiz Tech Univ, Istanbul, Turkey. [Sen, S.] Hacettepe Univ, Ankara, Turkey. [Belyaev, A.] Univ Southampton, Sch Phys & Astron, Southampton, Hants, England. [Acosta, M. Vazquez] Inst Astrofis Canarias, E-38200 San Cristobal la Laguna, Spain. [Wasserbaech, S.] Utah Valley Univ, Orem, UT USA. [Colafranceschi, S.] Univ Rome, Fac Ingn, Rome, Italy. [Bilki, B.] Argonne Natl Lab, 9700 S Cass Ave, Argonne, IL 60439 USA. [Mermerkaya, H.] Erzincan Univ, Erzincan, Turkey. [Bouhali, O.; Hernandez, A. Castaneda] Texas A&M Univ Qatar, Doha, Qatar. RP Khachatryan, V (reprint author), Yerevan Phys Inst, Yerevan 375036, Armenia. RI Manganote, Edmilson/K-8251-2013; Perez-Calero Yzquierdo, Antonio/F-2235-2013; TUVE', Cristina/P-3933-2015; VARDARLI, Fuat Ilkehan/B-6360-2013; Verwilligen, Piet/M-2968-2014; Da Silveira, Gustavo Gil/N-7279-2014; Leonidov, Andrey/M-4440-2013; Novaes, Sergio/D-3532-2012; Andreev, Vladimir/M-8665-2015; Matorras, Francisco/I-4983-2015; Dremin, Igor/K-8053-2015; Della Ricca, Giuseppe/B-6826-2013; Chinellato, Jose Augusto/I-7972-2012; Mora Herrera, Maria Clemencia/L-3893-2016; ciocci, maria agnese /I-2153-2015; Mundim, Luiz/A-1291-2012; Puljak, Ivica/D-8917-2017; Benussi, Luigi/O-9684-2014; Montanari, Alessandro/J-2420-2012; Cerrada, Marcos/J-6934-2014; Tomei, Thiago/E-7091-2012; Tuominen, Eija/A-5288-2017; Seixas, Joao/F-5441-2013; Leonardo, Nuno/M-6940-2016; Vogel, Helmut/N-8882-2014; Sznajder, Andre/L-1621-2016; Stahl, Achim/E-8846-2011; Flix, Josep/G-5414-2012; Hernandez Calama, Jose Maria/H-9127-2015; Konecki, Marcin/G-4164-2015; Chadeeva, Marina/C-8789-2016; Tinoco Mendes, Andre David/D-4314-2011; Lokhtin, Igor/D-7004-2012; Calvo Alamillo, Enrique/L-1203-2014; Danilov, Mikhail/C-5380-2014; Xie, Si/O-6830-2016; Vilela Pereira, Antonio/L-4142-2016; Goh, Junghwan/Q-3720-2016; Azarkin, Maxim/N-2578-2015; Calderon, Alicia/K-3658-2014; Yazgan, Efe/C-4521-2014 OI Perez-Calero Yzquierdo, Antonio/0000-0003-3036-7965; TUVE', Cristina/0000-0003-0739-3153; Da Silveira, Gustavo Gil/0000-0003-3514-7056; Novaes, Sergio/0000-0003-0471-8549; Matorras, Francisco/0000-0003-4295-5668; Della Ricca, Giuseppe/0000-0003-2831-6982; Chinellato, Jose Augusto/0000-0002-3240-6270; Mora Herrera, Maria Clemencia/0000-0003-3915-3170; ciocci, maria agnese /0000-0003-0002-5462; Mundim, Luiz/0000-0001-9964-7805; Benussi, Luigi/0000-0002-2363-8889; Montanari, Alessandro/0000-0003-2748-6373; Cerrada, Marcos/0000-0003-0112-1691; Tomei, Thiago/0000-0002-1809-5226; Tuominen, Eija/0000-0002-7073-7767; Seixas, Joao/0000-0002-7531-0842; Leonardo, Nuno/0000-0002-9746-4594; Vogel, Helmut/0000-0002-6109-3023; Sznajder, Andre/0000-0001-6998-1108; Stahl, Achim/0000-0002-8369-7506; Flix, Josep/0000-0003-2688-8047; Hernandez Calama, Jose Maria/0000-0001-6436-7547; Konecki, Marcin/0000-0001-9482-4841; Chadeeva, Marina/0000-0003-1814-1218; Tinoco Mendes, Andre David/0000-0001-5854-7699; Calvo Alamillo, Enrique/0000-0002-1100-2963; Danilov, Mikhail/0000-0001-9227-5164; Xie, Si/0000-0003-2509-5731; Vilela Pereira, Antonio/0000-0003-3177-4626; Goh, Junghwan/0000-0002-1129-2083; Yazgan, Efe/0000-0001-5732-7950 FU BMWFW (Austria); FWF (Austria); FNRS (Belgium); FWO (Belgium); CNPq (Brazil); CAPES (Brazil); FAPERJ (Brazil); FAPESP (Brazil); MES (Bulgaria); CERN; CAS (China); MoST (China); NSFC (China); COLCIENCIAS (Colombia); MSES (Croatia); CSF (Croatia); RPF (Cyprus); MoER (Estonia); ERC IUT (Estonia); ERDF (Estonia); Academy of Finland (Finland); MEC (Finland); HIP (Finland); CEA (France); CNRS/IN2P3 (France); BMBF (Germany); DFG (Germany); HGF (Germany); GSRT (Greece); OTKA (Hungary); NIH (Hungary); DAE (India); DST (India); IPM (Iran); 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Ministry of Science and Technology; National Natural Science Foundation of China; Colombian Funding Agency (COLCIENCIAS); Croatian Ministry of Science, Education and Sport; Croatian Science Foundation; Research Promotion Foundation, Cyprus; Ministry of Education and Research; Estonian Research Council [IUT23-4, IUT23-6]; European Regional Development Fund, Estonia; Academy of Finland; Finnish Ministry of Education and Culture; Helsinki Institute of Physics; Institut National de Physique Nucleaire et de Physique des Particules / CNRS, France; Commissariat a l'Energie Atomique et aux Energies Alternatives / CEA, France; Bundesministerium fur Bildung and Forschung, Germany; Deutsche Forschungsgemeinschaft, Germany; Helmholtz-Gemeinschaft Deutscher Forschungszentren, Germany; General Secretariat for Research and Technology, Greece; National Scientific Research Foundation, Hungary; National Innovation Office, Hungary; Department of Atomic Energy, India; Department of Science and Technology, India; Institute for Studies in Theoretical Physics and Mathematics, Iran; Science Foundation, Ireland; Istituto Nazionale di Fisica Nucleare, Italy; Ministry of Science, ICT and Future Planning; National Research Foundation (NRF), Republic of Korea; Lithuanian Academy of Sciences; Ministry of Education; University of Malaya (Malaysia); Mexican Funding Agency CINVESTAV; Mexican Funding Agency CONACYT; Mexican Funding Agency SEP; Mexican Funding Agency UASLP-FAI; Ministry of Business, Innovation and Employment, New Zealand; Pakistan Atomic Energy Commission; Ministry of Science and Higher Education, Poland; National Science Centre, Poland; Fundacao para a Ciencia e a Tecnologia, Portugal; JINR, Dubna; Ministry of Education and Science of the Russian Federation; Federal Agency of Atomic Energy of the Russian Federation; Russian Academy of Sciences; Russian Foundation for Basic Research; Ministry of Education, Science and Technological Development of Serbia; Secretaria de Estado de Investigacion, Spain; Desarrollo e Innovation, Spain; Programa Consolider-Ingenio, Spain; Swiss Funding Agency ETH Board; Swiss Funding Agency ETH Zurich; Swiss Funding Agency PSI; Swiss Funding Agency SNF; Swiss Funding Agency UniZH; Swiss Funding Agency Canton Zurich; Swiss Funding Agency SER; Ministry of Science and Technology, Taipei; Thailand Center of Excellence in Physics; Institute for the Promotion of Teaching Science and Technology of Thailand; Special Task Force for Activating Research; National Science and Technology Development Agency of Thailand; Scientific and Technical Research Council of Turkey; Turkish Atomic Energy Authority; National Academy of Sciences of Ukraine; State Fund for Fundamental Researches, Ukraine; Science and Technology Facilities Council, U.K.; US Department of Energy; US National Science Foundation; Marie-Curie programme (European Union); European Research Council (European Union); EPLANET (European Union); Leventis Foundation; A. P. Sloan Foundation; Alexander von Humboldt Foundation; Belgian Federal Science Policy Office; Fonds pour la Formation a la Recherche dans l'Industrie et dans l'Agriculture (FRIA-Belgium); Agentschap voor Innovatie door Wetenschap en Technologie (IWT-Belgium); Ministry of Education, Youth and Sports (MEYS) of the Czech Republic; Council of Science and Industrial Research, India; HOMING PLUS programme of the Foundation for Polish Science; European Union; Regional Development Fund; OPUS programme of the National Science Center (Poland); Compagnia di San Paolo (Torino); Consorzio per la Fisica (Trieste); MIUR project (Italy) [20108T4XTM]; Thalis programme; Aristeia programme; EU-ESF; Greek NSRF; National Priorities Research Program by Qatar National Research Fund; Rachadapisek Sompot Fund for Postdoctoral Fellowship; Chulalongkorn University (Thailand); Welch Foundation [C-1845] FX We congratulate our colleagues in the CERN accelerator departments for the excellent performance of the LHC and thank the technical and administrative staffs at CERN and at other CMS institutes for their contributions to the success of the CMS effort. In addition, we gratefully acknowledge the computing centres and personnel of the Worldwide LHC Computing Grid for delivering so effectively the computing infrastructure essential to our analyses. Finally, we acknowledge the enduring support for the construction and operation of the LHC and the CMS detector provided by the following funding agencies: BMWFW and FWF (Austria); FNRS and FWO (Belgium); CNPq, CAPES, FAPERJ, and FAPESP (Brazil); MES (Bulgaria); CERN; CAS, MoST, and NSFC (China); COLCIENCIAS (Colombia); MSES and CSF (Croatia); RPF (Cyprus); MoER, ERC IUT and ERDF (Estonia); Academy of Finland, MEC, and HIP (Finland); CEA and CNRS/IN2P3 (France); BMBF, DFG, and HGF (Germany); GSRT (Greece); OTKA and NIH (Hungary); DAE and DST (India); IPM (Iran); SFI (Ireland); INFN (Italy); MSIP and NRF (Republic of Korea); LAS (Lithuania); MOE and UM (Malaysia); CINVESTAV, CONACYT, SEP, and UASLP-FAI (Mexico); MBIE (New Zealand); PAEC (Pakistan); MSHE and NSC (Poland); FCT (Portugal); JINR (Dubna); MON, RosAtom, RAS and RFBR (Russia); MESTD (Serbia); SEIDI and CPAN (Spain); Swiss Funding Agencies (Switzerland); MST (Taipei); ThEPCenter, IPST, STAR and NSTDA (Thailand); TUBITAK and TAEK (Turkey); NASU and SFFR (Ukraine); STFC (United Kingdom); DOE and NSF (U.S.A.). We congratulate our colleagues in the CERN accelerator departments for the excellent performance of the LHC and thank the technical and administrative staffs at CERN and at other CMS institutes for their contributions to the success of the CMS effort. In addition, we gratefully acknowledge the computing centres and personnel of the Worldwide LHC Computing Grid for delivering so effectively the computing infrastructure essential to our analyses.; Finally, we acknowledge the enduring support for the construction and operation of the LHC and the CMS detector provided by the following funding agencies: the Austrian Federal Ministry of Science, Research and Economy and the Austrian Science Fund; the Belgian Fonds de la Recherche Scientifique, and Fonds voor Wetenschappelijk Onderzoek; the Brazilian Funding Agencies (CNPq, CAPES, FAPERJ, and FAPESP); the Bulgarian Ministry of Education and Science; CERN; the Chinese Academy of Sciences, Ministry of Science and Technology, and National Natural Science Foundation of China; the Colombian Funding Agency (COLCIENCIAS); the Croatian Ministry of Science, Education and Sport, and the Croatian Science Foundation; the Research Promotion Foundation, Cyprus; the Ministry of Education and Research, Estonian Research Council via IUT23-4 and IUT23-6 and European Regional Development Fund, Estonia; the Academy of Finland, Finnish Ministry of Education and Culture, and Helsinki Institute of Physics; the Institut National de Physique Nucleaire et de Physique des Particules / CNRS, and Commissariat a l'Energie Atomique et aux Energies Alternatives / CEA, France; the Bundesministerium fur Bildung and Forschung, Deutsche Forschungsgemeinschaft, and Helmholtz-Gemeinschaft Deutscher Forschungszentren, Germany; the General Secretariat for Research and Technology, Greece; the National Scientific Research Foundation, and National Innovation Office, Hungary; the Department of Atomic Energy and the Department of Science and Technology, India; the Institute for Studies in Theoretical Physics and Mathematics, Iran; the Science Foundation, Ireland; the Istituto Nazionale di Fisica Nucleare, Italy; the Ministry of Science, ICT and Future Planning, and National Research Foundation (NRF), Republic of Korea; the Lithuanian Academy of Sciences; the Ministry of Education, and University of Malaya (Malaysia); the Mexican Funding Agencies (CINVESTAV, CONACYT, SEP, and UASLP-FAI); the Ministry of Business, Innovation and Employment, New Zealand; the Pakistan Atomic Energy Commission; the Ministry of Science and Higher Education and the National Science Centre, Poland; the Fundacao para a Ciencia e a Tecnologia, Portugal; JINR, Dubna; the Ministry of Education and Science of the Russian Federation, the Federal Agency of Atomic Energy of the Russian Federation, Russian Academy of Sciences, and the Russian Foundation for Basic Research; the Ministry of Education, Science and Technological Development of Serbia; the Secretaria de Estado de Investigacion, Desarrollo e Innovation and Programa Consolider-Ingenio 2010, Spain; the Swiss Funding Agencies (ETH Board, ETH Zurich, PSI, SNF, UniZH, Canton Zurich, and SER); the Ministry of Science and Technology, Taipei; the Thailand Center of Excellence in Physics, the Institute for the Promotion of Teaching Science and Technology of Thailand, Special Task Force for Activating Research and the National Science and Technology Development Agency of Thailand; the Scientific and Technical Research Council of Turkey, and Turkish Atomic Energy Authority; the National Academy of Sciences of Ukraine, and State Fund for Fundamental Researches, Ukraine; the Science and Technology Facilities Council, U.K.; the US Department of Energy, and the US National Science Foundation.; Individuals have received support from the Marie-Curie programme and the European Research Council and EPLANET (European Union); the Leventis Foundation; the A. P. Sloan Foundation; the Alexander von Humboldt Foundation; the Belgian Federal Science Policy Office; the Fonds pour la Formation a la Recherche dans l'Industrie et dans l'Agriculture (FRIA-Belgium); the Agentschap voor Innovatie door Wetenschap en Technologie (IWT-Belgium); the Ministry of Education, Youth and Sports (MEYS) of the Czech Republic; the Council of Science and Industrial Research, India; the HOMING PLUS programme of the Foundation for Polish Science, cofinanced from European Union, Regional Development Fund; the OPUS programme of the National Science Center (Poland); the Compagnia di San Paolo (Torino); the Consorzio per la Fisica (Trieste); MIUR project 20108T4XTM (Italy); the Thalis and Aristeia programmes cofinanced by EU-ESF and the Greek NSRF; the National Priorities Research Program by Qatar National Research Fund; the Rachadapisek Sompot Fund for Postdoctoral Fellowship, Chulalongkorn University (Thailand); and the Welch Foundation, contract C-1845. NR 59 TC 3 Z9 3 U1 13 U2 13 PU SPRINGER PI NEW YORK PA 233 SPRING ST, NEW YORK, NY 10013 USA SN 1029-8479 J9 J HIGH ENERGY PHYS JI J. High Energy Phys. PD JAN 4 PY 2016 IS 1 AR 006 DI 10.1007/JHEP01(2016)006 PG 52 WC Physics, Particles & Fields SC Physics GA DE2DJ UT WOS:000370436500001 ER PT J AU Mitchell, B Timmerman, D Poplawsky, J Zhu, W Lee, D Wakamatsu, R Takatsu, J Matsuda, M Guo, W Lorenz, K Alves, E Koizumi, A Dierolf, V Fujiwara, Y AF Mitchell, B. Timmerman, D. Poplawsky, J. Zhu, W. Lee, D. Wakamatsu, R. Takatsu, J. Matsuda, M. Guo, W. Lorenz, K. Alves, E. Koizumi, A. Dierolf, V. Fujiwara, Y. TI Utilization of native oxygen in Eu(RE)-doped GaN for enabling device compatibility in optoelectronic applications SO SCIENTIFIC REPORTS LA English DT Article ID O LUMINESCENCE CENTER; EARTH-DOPED GAN; IMPLANTED GAN; VACANCY DEFECTS; ER; PHOTOLUMINESCENCE; DISLOCATIONS; GAAS; ALN; FABRICATION AB The detrimental influence of oxygen on the performance and reliability of V/III nitride based devices is well known. However, the influence of oxygen on the nature of the incorporation of other co-dopants, such as rare earth ions, has been largely overlooked in GaN. Here, we report the first comprehensive study of the critical role that oxygen has on Eu in GaN, as well as atomic scale observation of diffusion and local concentration of both atoms in the crystal lattice. We find that oxygen plays an integral role in the location, stability, and local defect structure around the Eu ions that were doped into the GaN host. Although the availability of oxygen is essential for these properties, it renders the material incompatible with GaN-based devices. However, the utilization of the normally occurring oxygen in GaN is promoted through structural manipulation, reducing its concentration by 2 orders of magnitude, while maintaining both the material quality and the favorable optical properties of the Eu ions. These findings open the way for full integration of RE dopants for optoelectronic functionalities in the existing GaN platform. C1 [Mitchell, B.] Univ Mt Union, Dept Phys & Astron, 1972 Clark Ave, Alliance, OH 44601 USA. [Timmerman, D.; Zhu, W.; Lee, D.; Wakamatsu, R.; Takatsu, J.; Matsuda, M.; Koizumi, A.; Fujiwara, Y.] Osaka Univ, Grad Sch Engn, Div Mat & Mfg Sci, Suita, Osaka 5650871, Japan. [Poplawsky, J.; Guo, W.] Oak Ridge Natl Lab, Ctr Nanophase Mat Sci, Oak Ridge, TN 37831 USA. [Lorenz, K.; Alves, E.] Inst Super Tecn, Campus Tecnol & Nucl,Estrada Nacl 10, P-2695066 Bobadela Lrs, Portugal. [Dierolf, V.] Lehigh Univ, Dept Phys & Astron, 16 Mem Dr E, Bethlehem, PA 18015 USA. RP Mitchell, B (reprint author), Univ Mt Union, Dept Phys & Astron, 1972 Clark Ave, Alliance, OH 44601 USA. EM mitchebj@mountunion.edu RI guo, wei/Q-2766-2015 OI guo, wei/0000-0002-9534-1902 FU National Science Foundation grant [ECCS- 1140038]; Japan Society for the Promotion of Science [19GS1209, 24226009]; ORNL's Center for Nanophase Materials Sciences (CNMS); DOE Office of Science User Facility FX The work at Lehigh was supported by the National Science Foundation grant (ECCS- 1140038). The work at Osaka was partly supported by a Grant-in-Aid for Creative Scientific Research (Grant No. 19GS1209) and a Grant-in-Aid for Scientific Research (S) (Grant No. 24226009) from the Japan Society for the Promotion of Science. This research was supported by ORNL's Center for Nanophase Materials Sciences (CNMS), which is a DOE Office of Science User Facility. NR 47 TC 2 Z9 2 U1 2 U2 14 PU NATURE PUBLISHING GROUP PI LONDON PA MACMILLAN BUILDING, 4 CRINAN ST, LONDON N1 9XW, ENGLAND SN 2045-2322 J9 SCI REP-UK JI Sci Rep PD JAN 4 PY 2016 VL 6 AR 18808 DI 10.1038/srep18808 PG 8 WC Multidisciplinary Sciences SC Science & Technology - Other Topics GA EH7SN UT WOS:000391973000001 PM 26725651 ER PT J AU Wang, J Bonnesen, PV Rangel, E Vallejo, E Sanchez-Castillo, A Cleaves, HJ Sumpter, BG Pan, MH Maksymovych, P Fuentes-Cabrera, M AF Wang, Jun Bonnesen, Peter V. Rangel, E. Vallejo, E. Sanchez-Castillo, Ariadna Cleaves, H. James, II Sumpter, Bobby G. Pan, Minghu Maksymovych, Petro Fuentes-Cabrera, Miguel TI Supramolecular polymerization of a prebiotic nucleoside provides insights into the creation of sequence-controlled polymers SO SCIENTIFIC REPORTS LA English DT Article ID ADENINE MOLECULES; SEMIEMPIRICAL METHODS; NUCLEIC-ACID; DENSITY; SURFACE; OPTIMIZATION; DERIVATIVES; PARAMETERS; ENERGIES AB Self-assembly of a nucleoside on Au(111) was studied to ascertain whether polymerization on well-defined substrates constitutes a promising approach for making sequence-controlled polymers. Scanning tunneling microscopy and density functional theory were used to investigate the self-assembly on Au(111) of (RS)-N-9-(2,3-dihydroxypropyl) adenine (DHPA), a plausibly prebiotic nucleoside analog of adenosine. It is found that DHPA molecules self-assemble into a hydrogen-bonded polymer that grows almost exclusively along the herringbone reconstruction pattern, has a two component sequence that is repeated over hundreds of nanometers, and is erasable with electron-induced excitation. Although the sequence is simple, more complicated ones are envisioned if two or more nucleoside types are combined. Because polymerization occurs on a substrate in a dry environment, the success of each combination can be gauged with high-resolution imaging and accurate modeling techniques. These characteristics make nucleoside self-assembly on a substrate an attractive approach for designing sequence-controlled polymers. Further, by choosing plausibly prebiotic nucleosides, insights may be provided into how nature created the first sequence-controlled polymers capable of storing information. Such insights, in turn, can inspire new ways of synthesizing sequence-controlled polymers. C1 [Wang, Jun; Bonnesen, Peter V.; Sumpter, Bobby G.; Pan, Minghu; Maksymovych, Petro; Fuentes-Cabrera, Miguel] Oak Ridge Natl Lab, Ctr Nanophase Mat Sci, Oak Ridge, TN 37831 USA. [Fuentes-Cabrera, Miguel] Oak Ridge Natl Lab, Div Math & Comp Sci, Oak Ridge, TN 37831 USA. [Cleaves, H. James, II] Tokyo Inst Technol, ELSI, Meguro Ku, 2-12-1-IE-1, Tokyo 1528550, Japan. [Cleaves, H. James, II] Inst Adv Study, 1 Einstein Dr, Princeton, NJ 08540 USA. [Cleaves, H. James, II] Blue Marble Space Inst Sci, 1515 Gallatin St NW, Washington, DC 20011 USA. [Cleaves, H. James, II] Georgia Inst Technol, Ctr Chem Evolut, Atlanta, GA 30332 USA. [Rangel, E.; Vallejo, E.; Sanchez-Castillo, Ariadna] Univ Autonoma Estado Hidalgo, Escuela Super Apan, Carretera Apan Calpulalpan Km 8, Apan Hidalgo 43900, Mexico. [Pan, Minghu] Huazhong Univ Sci & Technol, Sch Phys, MOE Key Lab Fundamental Phys Quant Measurements, Wuhan 430074, Peoples R China. RP Maksymovych, P; Fuentes-Cabrera, M (reprint author), Oak Ridge Natl Lab, Ctr Nanophase Mat Sci, Oak Ridge, TN 37831 USA.; Fuentes-Cabrera, M (reprint author), Oak Ridge Natl Lab, Div Math & Comp Sci, Oak Ridge, TN 37831 USA. EM maksymovychp@ornl.gov; fuentescabma@ornl.gov RI Sumpter, Bobby/C-9459-2013; Fuentes-Cabrera, Miguel/Q-2437-2015; Wang, Jun/N-6882-2014; Maksymovych, Petro/C-3922-2016; Baddorf, Arthur/I-1308-2016 OI Sumpter, Bobby/0000-0001-6341-0355; Fuentes-Cabrera, Miguel/0000-0001-7912-7079; Wang, Jun/0000-0003-4974-1240; Maksymovych, Petro/0000-0003-0822-8459; Baddorf, Arthur/0000-0001-7023-2382 FU PROMEP [ACTA-910] FX This research was conducted at the Center for Nanophase Materials Sciences (CNMS), which is a DOE Office of Science User Facility. The computations were performed using resources of the CNMS and the Oak Ridge Leadership Computing Facility at Oak Ridge National Laboratory. We kindly thank Divina Anunciado and Hugh O'Neill for the circular dichroism measurements. One of us, A.S.-C. acknowledges the financial support from PROMEP, grant ACTA-910. Parts of the calculations were performed in the DGCTIC-UNAM supercomputing center and ESAp-UAEH. NR 36 TC 2 Z9 2 U1 7 U2 15 PU NATURE PUBLISHING GROUP PI LONDON PA MACMILLAN BUILDING, 4 CRINAN ST, LONDON N1 9XW, ENGLAND SN 2045-2322 J9 SCI REP-UK JI Sci Rep PD JAN 4 PY 2016 VL 6 AR 18891 DI 10.1038/srep18891 PG 9 WC Multidisciplinary Sciences SC Science & Technology - Other Topics GA EH7TM UT WOS:000391975500001 PM 26725380 ER PT J AU Gramacy, RB Gray, GA Le Digabel, S Lee, HKH Ranjan, P Wells, G Wild, SM AF Gramacy, Robert B. Gray, Genetha A. Le Digabel, Sebastien Lee, Herbert K. H. Ranjan, Pritam Wells, Garth Wild, Stefan M. TI Rejoinder SO TECHNOMETRICS LA English DT Article AB We are grateful for the many insightful comments provided by the discussants. One team politely pointed out oversights in our literature review and the subsequent omission of a formidable comparator. Another made an important clarification about when a more aggressive variation (the so-called NoMax) would perform poorly. A third team offered enhancements to the framework, including a derivation of closed-form expressions and a more aggressive updating scheme; these enhancements were supported by an empirical study comparing new alternatives with old. The last team suggested hybridizing the statistical augmented Lagrangian (AL) method with modern stochastic search. Here we present our responses to these contributions and detail some improvements made to our own implementations in light of them. We conclude with some thoughts on statistical optimization using surrogate modeling and open-source software. C1 [Gramacy, Robert B.] Univ Chicago, Booth Sch Business, Chicago, IL 60637 USA. [Gray, Genetha A.] Sandia Natl Labs, Livermore, CA 94550 USA. [Le Digabel, Sebastien] Ecole Polytech, Gerad, Montreal, PQ H3C 3A7, Canada. [Le Digabel, Sebastien] Ecole Polytech, Dept Math & Genie Ind, Montreal, PQ H3C 3A7, Canada. [Lee, Herbert K. H.] Univ Calif Santa Cruz, Dept Appl Math & Stat, Santa Cruz, CA 95064 USA. [Ranjan, Pritam] IIM Indore, Rau Pithampur Rd, Indore 453556, Madhya Pradesh, India. [Wells, Garth] Univ Cambridge, Dept Engn, Trumpington St, Cambridge CB2 1PZ, England. [Wild, Stefan M.] Argonne Natl Lab, Div Math & Comp Sci, 9700 S Cass Ave, Argonne, IL 60439 USA. RP Gramacy, RB (reprint author), Univ Chicago, Booth Sch Business, Chicago, IL 60637 USA.; Gray, GA (reprint author), Sandia Natl Labs, Livermore, CA 94550 USA.; Le Digabel, S (reprint author), Ecole Polytech, Gerad, Montreal, PQ H3C 3A7, Canada.; Le Digabel, S (reprint author), Ecole Polytech, Dept Math & Genie Ind, Montreal, PQ H3C 3A7, Canada.; Lee, HKH (reprint author), Univ Calif Santa Cruz, Dept Appl Math & Stat, Santa Cruz, CA 95064 USA.; Ranjan, P (reprint author), IIM Indore, Rau Pithampur Rd, Indore 453556, Madhya Pradesh, India.; Wells, G (reprint author), Univ Cambridge, Dept Engn, Trumpington St, Cambridge CB2 1PZ, England.; Wild, SM (reprint author), Argonne Natl Lab, Div Math & Comp Sci, 9700 S Cass Ave, Argonne, IL 60439 USA. EM rbgramacy@chicagobooth.edu; genetha@gmail.com; sebastien.le.digabel@gerad.ca; herbie@ucsc.edu; pritamr@iimidr.ac.in; gnw20@cam.ac.uk; wild@anl.gov RI Le Digabel, Sebastien/A-7740-2010; Wild, Stefan/P-4907-2016 OI Le Digabel, Sebastien/0000-0003-3148-5090; Wild, Stefan/0000-0002-6099-2772 FU Natural Sciences and Engineering Research Council of Canada [418250]; Applied Mathematics activity within the U.S. Department of Energy, Office of Science, Advanced Scientific Computing Research [DE-AC02-06CH11357] FX We are grateful to the authors of all four discussions for their valuable comments and contributions. Le Digabel's research was supported by discovery grant no. 418250 from the Natural Sciences and Engineering Research Council of Canada. Wild was supported by the Applied Mathematics activity within the U.S. Department of Energy, Office of Science, Advanced Scientific Computing Research, under Contract No. DE-AC02-06CH11357. NR 8 TC 0 Z9 0 U1 0 U2 4 PU AMER STATISTICAL ASSOC PI ALEXANDRIA PA 732 N WASHINGTON ST, ALEXANDRIA, VA 22314-1943 USA SN 0040-1706 EI 1537-2723 J9 TECHNOMETRICS JI Technometrics PD JAN 2 PY 2016 VL 58 IS 1 BP 26 EP 29 DI 10.1080/00401706.2015.1106979 PG 4 WC Statistics & Probability SC Mathematics GA DE3SN UT WOS:000370550500006 ER PT J AU Wilden, A Modolo, G Hupert, M Santiago-Schubel, B Lofstrom-Engdahl, E Hallerod, J Ekberg, C Mincher, BJ Mezyk, SP AF Wilden, Andreas Modolo, Giuseppe Hupert, Michelle Santiago-Schuebel, Beatrix Lofstrom-Engdahl, Elin Hallerod, Jenny Ekberg, Christian Mincher, Bruce J. Mezyk, Stephen P. TI Gamma-Radiolytic Stability of Solvents Containing C5-BPP (2,6-Bis(5-(2,2-dimethylpropyl)-1H-pyrazol-3-yl)pyridine) for Actinide(III)/Lanthanide(III) Separation SO SOLVENT EXTRACTION AND ION EXCHANGE LA English DT Article DE C5-BPP; multiple reaction monitoring; high resolution mass spectrometry; mass-spectrometry; radiolysis ID EURO-GANEX PROCESS; RADIATION-CHEMISTRY; PULSE-RADIOLYSIS; ACTINIDES; 1-OCTANOL; SANEX; ACID; BTP AB The stability of solvents containing the C5-BPP (2,6-Bis(5-(2,2-dimethylpropyl)-1H-pyrazol-3-yl)pyridine) extractant against gamma-irradiation up to 330 kGy adsorbed dose was evaluated using HPLC mass spectrometric and solvent extraction methods. The main radiolysis products were identified using high-resolution mass spectrometry. Quantitative analysis of the residual C5-BPP concentration in irradiated samples was accomplished by a specifically developed MRM (Multiple Reaction Monitoring) method. A mixture of C5-BPP with 2-bromohexanoic acid in kerosene and 1-octanol, which had been used in an actinide(III)/lanthanide(III) separation process demonstration test, was also studied for its radiolytic stability and a remarkable protective effect of the presence of nitric acid during irradiation was found. C1 [Wilden, Andreas; Modolo, Giuseppe] Forschungszentrum Julich, Inst Energie & Klimaforsch Nukl Entsorgung & Reak, D-52425 Julich, Germany. [Hupert, Michelle; Santiago-Schuebel, Beatrix] Forschungszentrum Julich, Zent Inst Engn Elekt & Analyt ZEA 3, D-52425 Julich, Germany. [Lofstrom-Engdahl, Elin; Hallerod, Jenny; Ekberg, Christian] Chalmers, Dept Chem & Chem Engn, Nucl Chem, S-41296 Gothenburg, Sweden. [Mincher, Bruce J.] Idaho Natl Lab, Aqueous Separat & Radiochem Dept, Idaho Falls, ID USA. [Mezyk, Stephen P.] Calif State Univ Long Beach, Dept Chem & Biochem, Long Beach, CA 90840 USA. RP Wilden, A (reprint author), Forschungszentrum Julich, Inst Energie & Klimaforsch Nukl Entsorgung & Reak, D-52425 Julich, Germany. EM a.wilden@fz-juelich.de OI Modolo, Giuseppe/0000-0001-6490-5595 FU German Federal Ministry of Education and Research [02NUK020E] FX Financial support for this research was provided by the German Federal Ministry of Education and Research (Contract No. 02NUK020E). NR 36 TC 1 Z9 1 U1 1 U2 7 PU TAYLOR & FRANCIS INC PI PHILADELPHIA PA 530 WALNUT STREET, STE 850, PHILADELPHIA, PA 19106 USA SN 0736-6299 EI 1532-2262 J9 SOLVENT EXTR ION EXC JI Solvent Extr. Ion Exch. PD JAN 2 PY 2016 VL 34 IS 1 BP 1 EP 12 DI 10.1080/07366299.2015.1115694 PG 12 WC Chemistry, Multidisciplinary SC Chemistry GA DF2NX UT WOS:000371181700001 ER PT J AU Tevepaugh, KN Carrick, JD Tai, S Coonce, JG Delmau, LH Ensor, DD AF Tevepaugh, Kayron N. Carrick, Jesse D. Tai, Serene Coonce, Janet G. Delmau, Laetitia H. Ensor, Dale D. TI Separation of Americium from Europium using Camphor-BisTriazinyl Pyridine: A Fundamental Study SO SOLVENT EXTRACTION AND ION EXCHANGE LA English DT Article DE polar solvent; solvent extraction; nitrogen donor extractant; minor actinide lanthanide separation ID SELECTIVE EXTRACTION; LANTHANIDES; ACTINIDES; AM(III); EU(III) AB Among the different components present in spent nuclear fuel, long-lived trivalent actinides are particularly difficult to separate from the shorter-lived lanthanide fission products due to their similar chemical properties. Selective extraction of americium from acidic solution (up to 2M HNO3) containing tenth molar quantities of lanthanides has been achieved using neutral pyridine-based ligands dissolved in polar diluents. Nitrogen-based Bis Triazinyl Pyridine (BTP) ligands are desirable for both their excellent An/Ln selectivity and incinerability. Results pertaining to ligand solubility, kinetics, hydrolytic stability, and extraction performance in various nitric acid environments are presented. C1 [Tevepaugh, Kayron N.; Delmau, Laetitia H.] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA. [Tevepaugh, Kayron N.; Carrick, Jesse D.; Tai, Serene; Coonce, Janet G.; Ensor, Dale D.] Tennessee Technol Univ, Cookeville, TN 38505 USA. RP Delmau, LH (reprint author), Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA.; Ensor, DD (reprint author), Tennessee Technol Univ, Cookeville, TN 38505 USA. EM delmaulh@ornl.gov; densor@tntech.edu RI Tevepaugh, Kayron/J-9234-2016 OI Tevepaugh, Kayron/0000-0003-2709-947X FU Fuel Cycle Research and Development program; Office of Nuclear Energy, U.S. Department of Energy FX This research was sponsored by the Fuel Cycle Research and Development program, Office of Nuclear Energy, U.S. Department of Energy. NR 22 TC 0 Z9 0 U1 5 U2 10 PU TAYLOR & FRANCIS INC PI PHILADELPHIA PA 530 WALNUT STREET, STE 850, PHILADELPHIA, PA 19106 USA SN 0736-6299 EI 1532-2262 J9 SOLVENT EXTR ION EXC JI Solvent Extr. Ion Exch. PD JAN 2 PY 2016 VL 34 IS 1 BP 13 EP 25 DI 10.1080/07366299.2015.1110408 PG 13 WC Chemistry, Multidisciplinary SC Chemistry GA DF2NX UT WOS:000371181700002 ER PT J AU Gramacy, RB Gray, GA Le Digabel, S Lee, HKH Ranjan, P Wells, G Wild, SM AF Gramacy, Robert B. Gray, Genetha A. Le Digabel, Sebastien Lee, Herbert K. H. Ranjan, Pritam Wells, Garth Wild, Stefan M. TI Modeling an Augmented Lagrangian for Blackbox Constrained Optimization SO TECHNOMETRICS LA English DT Article DE Surrogate model; Additive penalty method; Nonparametric regression and sequential design; Gaussian process; Emulator; Expected improvement ID GAUSSIAN PROCESS MODELS; FLOW; ALGORITHMS; EFFICIENT; DESIGN AB Constrained blackbox optimization is a difficult problem, with most approaches coming from the mathematical programming literature. The statistical literature is sparse, especially in addressing problems with nontrivial constraints. This situation is unfortunate because statistical methods have many attractive properties: global scope, handling noisy objectives, sensitivity analysis, and so forth. To narrow that gap, we propose a combination of response surface modeling, expected improvement, and the augmented Lagrangian numerical optimization framework. This hybrid approach allows the statistical model to think globally and the augmented Lagrangian to act locally. We focus on problems where the constraints are the primary bottleneck, requiring expensive simulation to evaluate and substantial modeling effort to map out. In that context, our hybridization presents a simple yet effective solution that allows existing objective-oriented statistical approaches, like those based on Gaussian process surrogates and expected improvement heuristics, to be applied to the constrained setting with minor modification. This work is motivated by a challenging, real-data benchmark problem from hydrology where, even with a simple linear objective function, learning a nontrivial valid region complicates the search for a global minimum. Supplementary materials for this article are available online. C1 [Gramacy, Robert B.] Univ Chicago, Booth Sch Business, Chicago, IL 60637 USA. [Gray, Genetha A.] Sandia Natl Labs, Livermore, CA 94550 USA. [Le Digabel, Sebastien] Ecole Polytech, Gerad, Montreal, PQ H3C 3A7, Canada. [Le Digabel, Sebastien] Ecole Polytech, Dept Math & Genie Ind, Montreal, PQ H3C 3A7, Canada. [Lee, Herbert K. H.] Univ Calif Santa Cruz, Dept Appl Math & Stat, Santa Cruz, CA 95064 USA. [Ranjan, Pritam] IIM Indore, Rau Pithampur Rd, Indore 453556, Madhya Pradesh, India. [Wells, Garth] Univ Cambridge, Dept Engn, Trumpington St, Cambridge CB2 1PZ, England. [Wild, Stefan M.] Argonne Natl Lab, Div Math & Comp Sci, 9700 S Cass Ave, Argonne, IL 60439 USA. RP Gramacy, RB (reprint author), Univ Chicago, Booth Sch Business, Chicago, IL 60637 USA.; Gray, GA (reprint author), Sandia Natl Labs, Livermore, CA 94550 USA.; Le Digabel, S (reprint author), Ecole Polytech, Gerad, Montreal, PQ H3C 3A7, Canada.; Le Digabel, S (reprint author), Ecole Polytech, Dept Math & Genie Ind, Montreal, PQ H3C 3A7, Canada.; Lee, HKH (reprint author), Univ Calif Santa Cruz, Dept Appl Math & Stat, Santa Cruz, CA 95064 USA.; Ranjan, P (reprint author), IIM Indore, Rau Pithampur Rd, Indore 453556, Madhya Pradesh, India.; Wells, G (reprint author), Univ Cambridge, Dept Engn, Trumpington St, Cambridge CB2 1PZ, England.; Wild, SM (reprint author), Argonne Natl Lab, Div Math & Comp Sci, 9700 S Cass Ave, Argonne, IL 60439 USA. EM rbgramacy@chicagobooth.edu; genetha@gmail.com; sebastien.le.digabel@gerad.ca; herbie@ucsc.edu; pritamr@iimidr.ac.in; gnw20@cam.ac.uk; wild@anl.gov RI Le Digabel, Sebastien/A-7740-2010; Wild, Stefan/P-4907-2016 OI Le Digabel, Sebastien/0000-0003-3148-5090; Wild, Stefan/0000-0002-6099-2772 FU National Science Foundation [DMS-0906720]; Applied Mathematics activity within the U.S. Department of Energy, Office of Science, Advanced Scientific Computing Research [DE-AC02-06CH11357]; Natural Sciences and Engineering Research Council of Canada FX The authors thank the American Institute of Mathematics for hosting them in a series of small group meetings. The authors also thank an associate editor and referee for thoughtful comments throughout the review process. Lee was supported by National Science Foundation grant DMS-0906720. Wild was supported by the Applied Mathematics activity within the U.S. Department of Energy, Office of Science, Advanced Scientific Computing Research, under Contract No. DE-AC02-06CH11357. Le Digabel and Ranjan's research is supported by discovery grants from the Natural Sciences and Engineering Research Council of Canada. The authors thank David Lindberg for the Lockwood diagram in the right panel of Figure 3. NR 34 TC 4 Z9 4 U1 2 U2 5 PU AMER STATISTICAL ASSOC PI ALEXANDRIA PA 732 N WASHINGTON ST, ALEXANDRIA, VA 22314-1943 USA SN 0040-1706 EI 1537-2723 J9 TECHNOMETRICS JI Technometrics PD JAN 2 PY 2016 VL 58 IS 1 BP 1 EP 11 DI 10.1080/00401706.2015.1014065 PG 11 WC Statistics & Probability SC Mathematics GA DE3SN UT WOS:000370550500001 ER PT J AU Hare, W Williams, BJ Loeppky, JL AF Hare, Warren Williams, Brian J. Loeppky, Jason L. TI Comment: The NoMax Strategy and Correlated Outputs SO TECHNOMETRICS LA English DT Editorial Material C1 [Hare, Warren] Univ British Columbia, Dept Math, Kelowna, BC V1V 1V7, Canada. [Williams, Brian J.] Los Alamos Natl Lab, Stat Sci Grp, POB 1663, Los Alamos, NM 87545 USA. [Loeppky, Jason L.] Univ British Columbia, Dept Stat, Kelowna, BC V1V 1V7, Canada. RP Hare, W (reprint author), Univ British Columbia, Dept Math, Kelowna, BC V1V 1V7, Canada.; Williams, BJ (reprint author), Los Alamos Natl Lab, Stat Sci Grp, POB 1663, Los Alamos, NM 87545 USA.; Loeppky, JL (reprint author), Univ British Columbia, Dept Stat, Kelowna, BC V1V 1V7, Canada. EM warren.hare@ubc.ca; brianw@lanl.gov; jason.loeppky@ubc.ca OI Williams, Brian/0000-0002-3465-4972 NR 5 TC 0 Z9 0 U1 0 U2 0 PU AMER STATISTICAL ASSOC PI ALEXANDRIA PA 732 N WASHINGTON ST, ALEXANDRIA, VA 22314-1943 USA SN 0040-1706 EI 1537-2723 J9 TECHNOMETRICS JI Technometrics PD JAN 2 PY 2016 VL 58 IS 1 BP 22 EP 25 DI 10.1080/00401706.2015.1077163 PG 4 WC Statistics & Probability SC Mathematics GA DE3SN UT WOS:000370550500005 ER PT J AU Zhang, W Du, K Chen, XQ Sheng, LY Ye, HQ AF Zhang, Wei Du, Kui Chen, Xingqiu Sheng, Liyuan Ye, Hengqiang TI Thermally stable coherent domain boundaries in complex-structured Cr2Nb intermetallics SO PHILOSOPHICAL MAGAZINE LA English DT Article DE Nanostructured materials; thermal stability; domain structure; atomic-resolution electron microscopy; high-temperature materials; Cr2Nb ID CUBIC BORON-NITRIDE; NANOCRYSTALLINE MATERIALS; ELECTRON-MICROSCOPY; STABILITY; ULTRAHARD; METALS; ALLOYS; PHASES AB The strength and hardness of nanostructured materials are significantly enhanced owing to the large amount of grain boundaries (GB) produced by a reduced grain size. The thermal stability of the GB is a key to maintaining the grain size and thus the strength/hardness in nanostructured materials at high temperatures. In this work, coherent domain boundaries (DB) were introduced by compressive processing to sub-divide a complex-structured intermetallic Cr2Nb into nanograins of size down to 2nm. These DB persisted after an annealing of 10h at 1273K. The coherent DB have been investigated by aberration-corrected high-resolution transmission electron microscopy and first-principles calculations. The high thermal stability is evidently a result of low formation energies of the DB. C1 [Zhang, Wei; Du, Kui; Chen, Xingqiu; Ye, Hengqiang] Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China. [Zhang, Wei; Du, Kui] Tsinghua Univ, Beijing Natl Ctr Electron Microscopy, Beijing 100084, Peoples R China. [Sheng, Liyuan] Peking Univ, Shenzhen Inst, Shenzhen Key Lab Human Tissue Regenerat & Repair, Shenzhen, Peoples R China. [Zhang, Wei] Brookhaven Natl Lab, Upton, NY 11973 USA. RP Du, K (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China. EM kuidu@imr.ac.cn RI Du, Kui/C-5524-2008 OI Du, Kui/0000-0001-6698-3538 FU Natural Sciences Foundation of China [51221264, 51371177, 51390473]; Special Funds for the Major State Basic Research Projects of China [2012CB619503] FX This work was supported by the Natural Sciences Foundation of China [grant number 51221264], [grant number 51371177], [grant number 51390473]; the Special Funds for the Major State Basic Research Projects of China [grant number 2012CB619503]. This work made use of the resources of the Beijing National Center for Electron Microscopy. NR 30 TC 0 Z9 0 U1 5 U2 21 PU TAYLOR & FRANCIS LTD PI ABINGDON PA 4 PARK SQUARE, MILTON PARK, ABINGDON OX14 4RN, OXON, ENGLAND SN 1478-6435 EI 1478-6443 J9 PHILOS MAG JI Philos. Mag. PD JAN 2 PY 2016 VL 96 IS 1 BP 58 EP 70 DI 10.1080/14786435.2015.1125030 PG 13 WC Materials Science, Multidisciplinary; Metallurgy & Metallurgical Engineering; Physics, Applied; Physics, Condensed Matter SC Materials Science; Metallurgy & Metallurgical Engineering; Physics GA DB7VM UT WOS:000368724800005 ER PT J AU Canfield, PC Kong, T Kaluarachchi, US Jo, NH AF Canfield, Paul C. Kong, Tai Kaluarachchi, Udhara S. Jo, Na Hyun TI Use of frit-disc crucibles for routine and exploratory solution growth of single crystalline samples SO PHILOSOPHICAL MAGAZINE LA English DT Article DE Crystals; phase diagrams; solution growth ID QUASI-CRYSTALS; SM AB Solution growth of single crystals from high temperature solutions often involves the separation of residual solution from the grown crystals. For many growths of intermetallic compounds, this separation has historically been achieved with the use of plugs of silica wool. Whereas this is generally efficient in a mechanical sense, it leads to a significant contamination of the decanted liquid with silica fibres. In this paper, we present a simple design for frit-disc alumina crucible sets that has made their use in the growth single crystals from high temperature solutions both simple and affordable. An alumina frit-disc allows for the clean separation of the residual liquid from the solid phase. This allows for the reuse of the decanted liquid, either for further growth of the same phase, or for subsequent growth of other, related phases. In this paper, we provide examples of the growth of isotopically substituted TbCd6 and icosahedral i-RCd quasicrystals, as well as the separation of (i) the closely related Bi2Rh3S2 and Bi2Rh3.5S2 phases and (ii) PrZn11 and Pr2Zn17. C1 [Canfield, Paul C.] Iowa State Univ, Ames Lab, Ames, IA USA. Iowa State Univ, Dept Phys & Astron, Ames, IA USA. RP Canfield, PC (reprint author), Iowa State Univ, Ames Lab, Ames, IA USA. EM canfield@ameslab.gov FU U.S. Department of Energy, Office of Basic Energy Science, Division of Materials Sciences and Engineering; U.S. Department of Energy by Iowa State University [DE-AC02-07CH11358]; Gordon and Betty Moore Foundations EPiQS Initiative [GBMF4411] FX This work was supported by the U.S. Department of Energy, Office of Basic Energy Science, Division of Materials Sciences and Engineering. The research was performed at the Ames Laboratory. Ames Laboratory is operated for the U.S. Department of Energy by Iowa State University under Contract [DE-AC02-07CH11358]. N. H. Jo was supported by the Gordon and Betty Moore Foundations EPiQS Initiative through [grant number GBMF4411]. NR 19 TC 10 Z9 10 U1 6 U2 10 PU TAYLOR & FRANCIS LTD PI ABINGDON PA 4 PARK SQUARE, MILTON PARK, ABINGDON OX14 4RN, OXON, ENGLAND SN 1478-6435 EI 1478-6443 J9 PHILOS MAG JI Philos. Mag. PD JAN 2 PY 2016 VL 96 IS 1 BP 84 EP 92 DI 10.1080/14786435.2015.1122248 PG 9 WC Materials Science, Multidisciplinary; Metallurgy & Metallurgical Engineering; Physics, Applied; Physics, Condensed Matter SC Materials Science; Metallurgy & Metallurgical Engineering; Physics GA DB7VM UT WOS:000368724800007 ER PT J AU Wang, H Shi, TJ Qian, WJ Liu, T Kagan, J Srivastava, S Smith, RD Rodland, KD Camp, DG AF Wang, Hui Shi, Tujin Qian, Wei-Jun Liu, Tao Kagan, Jacob Srivastava, Sudhir Smith, Richard D. Rodland, Karin D. Camp, David G. TI The clinical impact of recent advances in LC-MS for cancer biomarker discovery and verification SO EXPERT REVIEW OF PROTEOMICS LA English DT Review DE LC-MS; cancer biomarker; proteomics; targeted quantification; selected reaction monitoring; multiple reaction monitoring; isobaric labelling; label-free; PRISM ID TARGETED MASS-SPECTROMETRY; QUANTITATIVE PROTEOMIC ANALYSIS; REACTION MONITORING METHODS; LABEL-FREE QUANTIFICATION; BREAST-CANCER; LIQUID-CHROMATOGRAPHY; PROTEIN QUANTIFICATION; SHOTGUN PROTEOMICS; HIGH-RESOLUTION; ACCURATE MASS AB Mass spectrometry (MS) -based proteomics has become an indispensable tool with broad applications in systems biology and biomedical research. With recent advances in liquid chromatography (LC) and MS instrumentation, LC-MS is making increasingly significant contributions to clinical applications, especially in the area of cancer biomarker discovery and verification. To overcome challenges associated with analyses of clinical samples (for example, a wide dynamic range of protein concentrations in bodily fluids and the need to perform high throughput and accurate quantification of candidate biomarker proteins), significant efforts have been devoted to improve the overall performance of LC-MS-based clinical proteomics platforms. Reviewed here are the recent advances in LC-MS and its applications in cancer biomarker discovery and quantification, along with the potentials, limitations and future perspectives. C1 [Wang, Hui; Shi, Tujin; Qian, Wei-Jun; Liu, Tao; Smith, Richard D.; Rodland, Karin D.; Camp, David G.] Pacific NW Natl Lab, Div Biol Sci, Richland, WA 99352 USA. [Kagan, Jacob; Srivastava, Sudhir] NCI, Canc Prevent Div, Rockville, MD USA. RP Camp, DG (reprint author), Pacific NW Natl Lab, Div Biol Sci, Richland, WA 99352 USA. EM dave.camp@pnnl.gov RI Smith, Richard/J-3664-2012 OI Smith, Richard/0000-0002-2381-2349 FU National Institutes of Health [U24-CA-160019, P41GM103493, DP2OD006668, UC4 DK104167]; National Cancer Institute Early Detection Research Network [Y01-CN-05013-29] FX Parts of this work were supported by National Institutes of Health grants U24-CA-160019, P41GM103493, DP2OD006668, UC4 DK104167 and a National Cancer Institute Early Detection Research Network Interagency Agreement (No. Y01-CN-05013-29). The authors have no other relevant affiliations or financial involvement with any organization or entity with a financial interest in or financial conflict with the subject matter or materials discussed in the manuscript apart from those disclosed. NR 148 TC 2 Z9 2 U1 3 U2 34 PU TAYLOR & FRANCIS LTD PI ABINGDON PA 2-4 PARK SQUARE, MILTON PARK, ABINGDON OR14 4RN, OXON, ENGLAND SN 1478-9450 EI 1744-8387 J9 EXPERT REV PROTEOMIC JI Expert Rev. Proteomics PD JAN 2 PY 2016 VL 13 IS 1 BP 99 EP 114 DI 10.1586/14789450.2016.1122529 PG 16 WC Biochemical Research Methods SC Biochemistry & Molecular Biology GA CZ8LK UT WOS:000367351000002 PM 26581546 ER PT J AU Jones, TD Carter, PJ Pluckthun, A Vasquez, M Holgate, RGE Hotzel, I Popplewell, AG Parren, PWHI Enzelberger, M Rademaker, HJ Clark, MR Lowe, DC Dahiyat, BI Smith, V Lambert, JM Wu, H Reilly, M Haurum, JS Dubel, S Huston, JS Schirrmann, T Janssen, RAJ Steegmaier, M Gross, JA Bradbury, ARM Burton, DR Dimitrov, DS Chester, KA Glennie, MJ Davies, J Walker, A Martin, S McCafferty, J Baker, MP AF Jones, Tim D. Carter, Paul J. Plueckthun, Andreas Vasquez, Max Holgate, Robert G. E. Hoetzel, Isidro Popplewell, Andrew G. Parren, Paul W. H. I. Enzelberger, Markus Rademaker, Hendrik J. Clark, Michael R. Lowe, David C. Dahiyat, Bassil I. Smith, Victoria Lambert, John M. Wu, Herren Reilly, Mary Haurum, John S. Duebel, Stefan Huston, James S. Schirrmann, Thomas Janssen, Richard A. J. Steegmaier, Martin Gross, Jane A. Bradbury, Andrew R. M. Burton, Dennis R. Dimitrov, Dimiter S. Chester, Kerry A. Glennie, Martin J. Davies, Julian Walker, Adam Martin, Steve McCafferty, John Baker, Matthew P. TI The INNs and outs of antibody nonproprietary names SO MABS LA English DT Article DE antibody; chimeric; Complementarity Determining Region (CDR); definition; framework; humanized; International Nonproprietary Name (INN); International Immunogenetics Information System (IMGT); monoclonal; World Health Organization (WHO) ID MONOCLONAL-ANTIBODY; EFFICIENT GENERATION; B-CELLS; HUMANIZATION; IMMUNOGLOBULIN; MICE; FRAMEWORK; IMMUNIZATION; SEQUENCES; LIBRARIES AB An important step in drug development is the assignment of an International Nonproprietary Name (INN) by the World Health Organization (WHO) that provides healthcare professionals with a unique and universally available designated name to identify each pharmaceutical substance. Monoclonal antibody INNs comprise a -mab suffix preceded by a substem indicating the antibody type, e.g., chimeric (-xi-), humanized (-zu-), or human (-u-). The WHO publishes INN definitions that specify how new monoclonal antibody therapeutics are categorized and adapts the definitions to new technologies. However, rapid progress in antibody technologies has blurred the boundaries between existing antibody categories and created a burgeoning array of new antibody formats. Thus, revising the INN system for antibodies is akin to aiming for a rapidly moving target. The WHO recently revised INN definitions for antibodies now to be based on amino acid sequence identity. These new definitions, however, are critically flawed as they are ambiguous and go against decades of scientific literature. A key concern is the imposition of an arbitrary threshold for identity against human germline antibody variable region sequences. This leads to inconsistent classification of somatically mutated human antibodies, humanized antibodies as well as antibodies derived from semi-synthetic/synthetic libraries and transgenic animals. Such sequence-based classification implies clear functional distinction between categories (e.g., immunogenicity). However, there is no scientific evidence to support this. Dialog between the WHO INN Expert Group and key stakeholders is needed to develop a new INN system for antibodies and to avoid confusion and miscommunication between researchers and clinicians prescribing antibodies. C1 [Jones, Tim D.; Holgate, Robert G. E.; Baker, Matthew P.] Antitope Ltd, Cambridge CB22 3AT, England. [Carter, Paul J.; Hoetzel, Isidro] Genentech Inc, San Francisco, CA 94080 USA. [Plueckthun, Andreas] Univ Zurich, Dept Biochem, CH-8057 Zurich, Switzerland. [Vasquez, Max] Adimab LLC, Lebanon, NH 03766 USA. [Popplewell, Andrew G.] UCB Pharma, Slough SL1 3WE, Berks, England. [Parren, Paul W. H. I.; Rademaker, Hendrik J.] Genmab, NL-3508 AD Utrecht, Netherlands. [Parren, Paul W. H. I.] Leiden Univ, Med Ctr, Dept Immunohematol & Blood Transfus, NL-2333 ZA Leiden, Netherlands. [Enzelberger, Markus] MorphoSys AG, Martinsried, Germany. [Clark, Michael R.] Clark Antibodies Ltd, Cambridge CB1 1HW, England. [Lowe, David C.] MedImmune Ltd, Cambridge CB21 6GH, England. [Dahiyat, Bassil I.] Xencor, Monrovia, CA 91016 USA. [Smith, Victoria] Gilead Sci Inc, Foster City, CA 94404 USA. [Lambert, John M.] ImmunoGen Inc, Waltham, MA 02451 USA. [Wu, Herren] MedImmune, Gaithersburg, MD 20878 USA. [Reilly, Mary] Opsona Therapeut Ltd, Dublin 2, Ireland. [Haurum, John S.] F Star Biotechnol Ltd, Cambridge CB22 3AT, England. [Duebel, Stefan] Tech Univ Carolo Wilhelmina Braunschweig, Inst Biochem Biotechnol & Bioinformat, D-38106 Braunschweig, Germany. [Huston, James S.] Antibody Soc, Watertown, MA 02472 USA. [Huston, James S.] Huston Bioconsulting LLC, Watertown, MA 02472 USA. [Schirrmann, Thomas] Yumab GmbH, D-38106 Braunschweig, Germany. [Janssen, Richard A. J.] Galapagos NV, NL-2333 CL Leiden, Netherlands. [Steegmaier, Martin] Roche Innovat Ctr Penzberg, Large Mol Res, Roche Pharmaceut Res & Early Dev, D-82377 Penzberg, Germany. [Gross, Jane A.] Emergent BioSolut, Seattle, WA 98121 USA. [Bradbury, Andrew R. M.] Los Alamos Natl Lab, Biosci Div, Los Alamos, NM 87545 USA. [Burton, Dennis R.] Scripps Res Inst, La Jolla, CA 92037 USA. [Dimitrov, Dimiter S.] NCI, Prot Interact Sect, Canc & Inflammat Program, Ctr Canc Res, Frederick, MD 21702 USA. [Chester, Kerry A.] UCL, Inst Canc, London WC1E 6BT, England. [Glennie, Martin J.] Univ Southampton, Fac Med, Southampton Gen Hosp, Antibody & Vaccine Grp,Canc Sci Unit, Southampton SO16 6YD, Hants, England. [Davies, Julian] Lilly Biotechnol Ctr, San Diego, CA 92121 USA. [Walker, Adam] Addenbrookes Hosp, Addenbrookes Ctr Clin Invest, GSK, Cambridge CB2 2GG, England. [Martin, Steve] GSK, Med Res Ctr, Stevenage SG1 2NY, Herts, England. [McCafferty, John] Iontas Ltd, Cambridge CB22 3AT, England. RP Baker, MP (reprint author), Antitope Ltd, Babraham Res Campus, Cambridge CB22 3AT, England. EM matthew.baker@abzena.com RI Clark, Michael/D-2479-2011; OI Clark, Michael/0000-0002-5539-4997; Bradbury, Andrew/0000-0002-5567-8172; Dubel, Stefan/0000-0001-8811-7390; Pluckthun, Andreas/0000-0003-4191-5306; Parren, Paul/0000-0002-4365-3859 NR 46 TC 3 Z9 3 U1 1 U2 7 PU TAYLOR & FRANCIS INC PI PHILADELPHIA PA 530 WALNUT STREET, STE 850, PHILADELPHIA, PA 19106 USA SN 1942-0862 EI 1942-0870 J9 MABS-AUSTIN JI mAbs PD JAN 2 PY 2016 VL 8 IS 1 BP 1 EP 9 DI 10.1080/19420862.2015.1114320 PG 9 WC Medicine, Research & Experimental SC Research & Experimental Medicine GA CZ9CJ UT WOS:000367395100001 PM 26716992 ER PT J AU Waugh, MH AF Waugh, Mark H. TI Mentors, Muses, and Memories: Personal Narratives From Psychological Assessment SO JOURNAL OF CONSTRUCTIVIST PSYCHOLOGY LA English DT Article ID EGO DEVELOPMENT; PSYCHOPATHOLOGY; VALIDITY; MODEL; PREDICTION; DISORDERS; SELF; TRAITS; LEGACY AB Development of professional identity occurs through the twin tracks of scientific and narrative learning. Mentoring plays a key role in this process. Didactically acquired knowledge can fade over time, but narrative learning may persist within professional skills, attitudes, and identity. As well, memories of key interactions with mentors endure, often carrying bits of generative wisdom. Stories of interactions with luminaries in the field of psychological assessment illustrate these dynamics and lessons learned. Vignettes about George Welsh, Jane Loevinger, Molly Harrower, Sidney Blatt, and Paul Lerner are recalled. These are then explicated through an integration of early and contemporary scientific and professional literature, revealing their enduring relevance. C1 [Waugh, Mark H.] Oak Ridge Natl Lab, Oak Ridge, TN USA. RP Waugh, MH (reprint author), ABPP, 100 High Point Lane, Oak Ridge, TN 37830 USA. EM markhwaughphd@bellsouth.net NR 102 TC 0 Z9 0 U1 0 U2 0 PU TAYLOR & FRANCIS INC PI PHILADELPHIA PA 530 WALNUT STREET, STE 850, PHILADELPHIA, PA 19106 USA SN 1072-0537 EI 1521-0650 J9 J CONSTR PSYCHOL JI J. Constr. Psychol. PD JAN 2 PY 2016 VL 29 IS 1 BP 80 EP 99 DI 10.1080/10720537.2015.1026428 PG 20 WC Psychology, Clinical SC Psychology GA CZ3KK UT WOS:000367002800005 ER PT J AU Miskowiec, A Anderson, BB Huq, A Mamontov, E Herwig, KW Trowbridge, L Rondinone, A AF Miskowiec, Andrew Anderson, Brian B. Huq, Ashfia Mamontov, Eugene Herwig, Kenneth W. Trowbridge, Lee Rondinone, Adam TI Time-dependent water dynamics in hydrated uranyl fluoride SO MOLECULAR PHYSICS LA English DT Article DE Quasielastic neutron scattering; uranium; actinide chemistry; water dynamics; neutron diffraction ID ELASTIC NEUTRON-SCATTERING; BILAYER-LIPID MEMBRANES; CRYSTAL-STRUCTURE; JUMP DIFFUSION; CONFINED WATER; UO2F2; CLAY; DECOMPOSITION; TEMPERATURES; SPECIATION AB Uranyl fluoride is a three-layer, hexagonal structure with significant stacking disorder in the c-direction. It supports a range of unsolved thermodynamic' hydrates with 0-2.5 water molecules per uranium atom, and perhaps more. However, the relationship between water, hydrate crystal structures, and thermodynamic results, collectively representing the chemical pathway through these hydrate structures, has not been sufficiently elucidated. We used high-resolution quasielastic neutron scattering to study the dynamics of water in partially hydrated uranyl fluoride powder over the course of 4 weeks under closed conditions. The spectra are composed of two quasielastic components: one is associated with translational diffusive motion of water that is approximately five to six times slower than bulk water, and the other is a slow (on the order of 2-300 ps), spatially bounded water motion. The translational component represents water diffusing between the weakly bonded layers in the crystal, while the bounded component may represent water trapped in subnanometre pockets' formed by the space between uranium-centred polymerisation units. Complementary neutron and X-ray diffraction measurements do not show any significant structural changes, suggesting that a chemical conversion of the material does not occur in the thermodynamically isolated system on this timescale. [GRAPHICS] . C1 [Miskowiec, Andrew; Anderson, Brian B.; Trowbridge, Lee] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA. [Huq, Ashfia; Mamontov, Eugene; Herwig, Kenneth W.] Oak Ridge Natl Lab, Spallat Neutron Source, Oak Ridge, TN USA. [Rondinone, Adam] Oak Ridge Natl Lab, Ctr Nanophase Mat Sci, Oak Ridge, TN USA. RP Miskowiec, A (reprint author), Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA. EM miskowiecaj@ornl.gov RI Huq, Ashfia/J-8772-2013; Mamontov, Eugene/Q-1003-2015; Rondinone, Adam/F-6489-2013; OI Huq, Ashfia/0000-0002-8445-9649; Mamontov, Eugene/0000-0002-5684-2675; Rondinone, Adam/0000-0003-0020-4612; Trowbridge, Lee/0000-0002-3271-7618; Anderson, Brian/0000-0002-0675-9750 FU Laboratory Directed Research and Development Program of Oak Ridge National Laboratory [DE-AC0500OR22725] FX This work was supported by the Laboratory Directed Research and Development Program of Oak Ridge National Laboratory, managed by UT-Battelle, LLC under Contract No. DE-AC0500OR22725, for the US Department of Energy. NR 49 TC 2 Z9 2 U1 2 U2 8 PU TAYLOR & FRANCIS LTD PI ABINGDON PA 2-4 PARK SQUARE, MILTON PARK, ABINGDON OR14 4RN, OXON, ENGLAND SN 0026-8976 EI 1362-3028 J9 MOL PHYS JI Mol. Phys. PD JAN 2 PY 2016 VL 114 IS 1 BP 61 EP 71 DI 10.1080/00268976.2015.1084056 PG 11 WC Chemistry, Physical; Physics, Atomic, Molecular & Chemical SC Chemistry; Physics GA CZ3BM UT WOS:000366979100006 ER PT J AU Naasan, G Rabinovici, GD Ghosh, P Elofson, JD Miller, BL Coppola, G Karydas, A Fong, J Perry, D Lee, SE Yokoyama, JS Seeley, WW Kramer, JH Weiner, MW Schuff, N Jagust, WJ Grinberg, LT Pribadi, M Yang, ZG Sears, R Klein, E Wojta, K Rosen, HJ AF Naasan, Georges Rabinovici, Gil D. Ghosh, Pia Elofson, Jonathan D. Miller, Bruce L. Coppola, Giovanni Karydas, Anna Fong, Jamie Perry, David Lee, Suzee E. Yokoyama, Jennifer S. Seeley, William W. Kramer, Joel H. Weiner, Michael W. Schuff, Norbert Jagust, William J. Grinberg, Lea T. Pribadi, Mochtar Yang, Zhongan Sears, Renee Klein, Eric Wojta, Kevin Rosen, Howard J. TI Amyloid in dementia associated with familial FTLD: not an innocent bystander SO NEUROCASE LA English DT Article DE frontotemporal dementia; Alzheimer's disease; amyloid; MRI; FDG-PET ID FRONTOTEMPORAL LOBAR DEGENERATION; MODERATE ALZHEIMERS-DISEASE; NEURODEGENERATIVE DISEASE; PROGRANULIN MUTATIONS; SEMANTIC DEMENTIA; VARIABILITY; FEATURES; RISK; MAPT; PET AB Patients with frontotemporal lobar degeneration (FTLD) can show superimposed amyloid pathology, though the impact of amyloid on the clinical presentation of FTLD is not well characterized. This cross-sectional case-control study compared clinical features, fluorodeoxyglucose-positron emission tomography metabolism and gray matter volume loss in 30 patients with familial FTLD in whom amyloid status was confirmed with autopsy or Pittsburgh compound B-PET. Compared to the amyloid-negative patients, the amyloid-positive patients performed significantly worse on several cognitive tests and showed hypometabolism and volume loss in more temporoparietal regions. Our results suggest that in FTLD amyloid positivity is associated with a more Alzheimer's disease-like pattern of neurodegeneration. C1 [Naasan, Georges; Rabinovici, Gil D.; Ghosh, Pia; Elofson, Jonathan D.; Miller, Bruce L.; Karydas, Anna; Fong, Jamie; Perry, David; Lee, Suzee E.; Yokoyama, Jennifer S.; Seeley, William W.; Kramer, Joel H.; Grinberg, Lea T.; Rosen, Howard J.] Univ Calif San Francisco, Dept Neurol, Memory & Aging Ctr, San Francisco, CA 94143 USA. [Weiner, Michael W.; Schuff, Norbert] Univ Calif San Francisco, Dept Radiol, San Francisco, CA USA. [Jagust, William J.] Univ Calif Berkeley, Sch Publ Hlth, Berkeley, CA 94720 USA. [Jagust, William J.] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA. [Pribadi, Mochtar; Yang, Zhongan; Sears, Renee; Klein, Eric; Wojta, Kevin] Univ Calif Los Angeles, David Geffen Sch Med, Semel Inst Neurosci & Human Behav, Dept Psychiat, Los Angeles, CA 90095 USA. RP Naasan, G (reprint author), Univ Calif San Francisco, Dept Neurol, Memory & Aging Ctr, San Francisco, CA 94143 USA. EM gnaasan@memory.ucsf.edu FU National Institute on Aging (NIA) [U24 AG21886]; NIH [RC1 AG035610, R01 AG26938, R01 AG032306, K24 AG045333, P50 AG02350, P01 AG019724-09]; State of CA DHS [09-11410]; John Douglas French Alzheimer's Foundation FX Samples from the National Cell Repository for Alzheimer's Disease (NCRAD), which receives government support under a cooperative agreement grant [U24 AG21886] awarded by the National Institute on Aging (NIA), were used in this study. Additional support for this study was provided by NIH grants [RC1 AG035610] and [R01 AG26938]. Dr. Rosen is funded by NIH grants [R01 AG032306], [K24 AG045333], [P50 AG02350], [P01 AG019724-09], State of CA DHS: 09-11410 and the John Douglas French Alzheimer's Foundation. Dr. Howard Rosen and Dr. Georges Naasan had full access to all of the data in the study and take responsibility for the integrity of the data and the accuracy of the data analysis. All authors contributed to study conception and design, data acquisition, analysis and interpretation; drafting and critically revising article; approving the final version to be published. NR 41 TC 2 Z9 2 U1 3 U2 6 PU ROUTLEDGE JOURNALS, TAYLOR & FRANCIS LTD PI ABINGDON PA 4 PARK SQUARE, MILTON PARK, ABINGDON OX14 4RN, OXFORDSHIRE, ENGLAND SN 1355-4794 EI 1465-3656 J9 NEUROCASE JI Neurocase PD JAN 2 PY 2016 VL 22 IS 1 BP 76 EP 83 DI 10.1080/13554794.2015.1046458 PG 8 WC Clinical Neurology; Psychiatry; Psychology SC Neurosciences & Neurology; Psychiatry; Psychology GA CX4BG UT WOS:000365642600010 PM 26040468 ER PT J AU van Swol, F Zhou, XWW Challa, SR Martin, JE AF van Swol, Frank Zhou, Xiaowang W. Challa, Sivakumar R. Martin, James E. TI Thermodynamic properties of model CdTe/CdSe mixtures SO MOLECULAR SIMULATION LA English DT Article DE semi-conductor; mixtures; thermodynamics ID COMPUTER-SIMULATION; LAW AB We report on the thermodynamic properties of binary compound mixtures of model groups II-VI semiconductors. We use the recently introduced Stillinger-Weber Hamiltonian to model binary mixtures of CdTe and CdSe. We use molecular dynamics simulations to calculate the volume and enthalpy of mixing as a function of mole fraction. The lattice parameter of the mixture closely follows Vegard's law: a linear relation. This implies that the excess volume is a cubic function of mole fraction. A connection is made with hard sphere models of mixed fcc and zincblende structures. The potential energy exhibits a positive deviation from ideal soluton behaviour; the excess enthalpy is nearly independent of temperatures studied (300 and 533K) and is well described by a simple cubic function of the mole fraction. Using a regular solution approach (combining non-ideal behaviour for the enthalpy with ideal solution behaviour for the entropy of mixing), we arrive at the Gibbs free energy of the mixture. The Gibbs free energy results indicate that the CdTe and CdSe mixtures exhibit phase separation. The upper consolute temperature is found to be 335K. Finally, we provide the surface energy as a function of composition. It roughly follows ideal solution theory, but with a negative deviation (negative excess surface energy). This indicates that alloying increases the stability, even for nano-particles. C1 [van Swol, Frank; Zhou, Xiaowang W.; Martin, James E.] Sandia Natl Labs, Albuquerque, NM 87185 USA. [van Swol, Frank; Zhou, Xiaowang W.; Challa, Sivakumar R.; Martin, James E.] Univ New Mexico, Chem & Biol Engn Dept, Albuquerque, NM 87131 USA. RP van Swol, F (reprint author), Sandia Natl Labs, POB 5800, Albuquerque, NM 87185 USA. EM fbvansw@sandia.gov FU United States Department of Energy, Office of Basic Energy Sciences, Division of Materials Sciences and Engineering; Sandia's LDRD program; U.S. Department of Energy's National Nuclear Security Administration [DE-AC04-94AL85000] FX This research was supported by the United States Department of Energy, Office of Basic Energy Sciences, Division of Materials Sciences and Engineering and Sandia's LDRD program. Sandia National Laboratories is a multi-program laboratory managed and operated by Sandia Corporation, a wholly owned subsidiary of Lockheed Martin Corporation, for the U.S. Department of Energy's National Nuclear Security Administration under contract DE-AC04-94AL85000. NR 13 TC 1 Z9 1 U1 3 U2 50 PU TAYLOR & FRANCIS LTD PI ABINGDON PA 4 PARK SQUARE, MILTON PARK, ABINGDON OX14 4RN, OXON, ENGLAND SN 0892-7022 EI 1029-0435 J9 MOL SIMULAT JI Mol. Simul. PD JAN 2 PY 2016 VL 42 IS 1 BP 14 EP 24 DI 10.1080/08927022.2015.1007051 PG 11 WC Chemistry, Physical; Physics, Atomic, Molecular & Chemical SC Chemistry; Physics GA CS5OJ UT WOS:000362127300003 ER PT J AU Ma, L Bygd, HC Bratlie, KM AF Ma, Lilusi Bygd, Hannah C. Bratlie, Kaitlin M. TI Improving selective targeting to macrophage subpopulations through modifying liposomes with arginine based materials SO INTEGRATIVE BIOLOGY LA English DT Article ID TUMOR-ASSOCIATED MACROPHAGES; IN-VITRO; INTERNALIZATION PATHWAYS; ACTIVATION; DELIVERY; POLARIZATION; DOXORUBICIN; VIVO; NANOPARTICLES; HOMEOSTASIS AB The effects of surface modifications on liposomes using a library of arginine derivatives for improved drug delivery were examined. Both unmodified and modified liposomes were tested for their drug delivery properties and propensity for internalization by macrophages. All materials were characterized by dynamic light scattering (DLS) and zeta potential. The resulting liposomes were able to encapsulate doxorubicin with a loading efficiency greater than 90% and cumulative releases of less than 15% after 144 h. The internalization of these particles was examined by loading the liposomes with fluorescein or doxorubicin to test internalization through fluorescence level and half maximal inhibitory concentration (IC50), respectively. RAW 264.7 macrophages were activated with lipopolysaccharide (LPS) or interleukin-4 (IL-4) to induce M1- or M2-like phenotypes. Naive macrophages were also studied. Most modified liposomes enhanced the cytotoxicity of doxorubicin compared to unmodified liposomes. Macrophage phenotype was also observed to influence the cytotoxicity of doxorubicin entrapped in modified liposomes, with some samples enhancing the cytotoxicity in LPS stimulated macrophages and some enhancing toxicity in IL-4 stimulated cells. C1 [Ma, Lilusi; Bygd, Hannah C.; Bratlie, Kaitlin M.] Iowa State Univ, Dept Mat Sci & Engn, Ames, IA 50011 USA. [Bratlie, Kaitlin M.] Iowa State Univ, Dept Chem & Biol Engn, Ames, IA 50011 USA. [Bratlie, Kaitlin M.] Ames Natl Lab, Div Mat Sci & Engn, Ames, IA 50011 USA. RP Bratlie, KM (reprint author), Iowa State Univ, Dept Chem & Biol Engn, Ames, IA 50011 USA.; Bratlie, KM (reprint author), Ames Natl Lab, Div Mat Sci & Engn, Ames, IA 50011 USA. EM kbratlie@iastate.edu FU National Science Foundation [CBET 1227867]; Roy J. Carver Charitable Trust [13-4265]; NSF [ARI-R2 (CMMI-0963224)] FX This work was supported by the National Science Foundation under Grant No. CBET 1227867 and the Roy J. Carver Charitable Trust Grant No. 13-4265. The authors also acknowledge support from NSF ARI-R2 (CMMI-0963224) for funding the renovation of the research laboratories used for these studies. NR 51 TC 0 Z9 0 U1 1 U2 1 PU ROYAL SOC CHEMISTRY PI CAMBRIDGE PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS, ENGLAND SN 1757-9694 EI 1757-9708 J9 INTEGR BIOL-UK JI Integr. Biol. PY 2016 VL 9 IS 1 BP 58 EP 67 DI 10.1039/c6ib00133e PG 10 WC Cell Biology SC Cell Biology GA EL4FQ UT WOS:000394577500004 ER PT S AU Bass, IL Negres, RA Stanion, K Guss, G Keller, WJ Matthews, MJ Rubenchik, AM Yoo, JH Bude, JD AF Bass, Isaac L. Negres, Raluca A. Stanion, Ken Guss, Gabe Keller, Wesley J. Matthews, Manyalibo J. Rubenchik, Alexander M. Yoo, Jae Hyuck Bude, Jeffrey D. BE Exarhos, GJ Gruzdev, VE Menapace, JA Ristau, D Soileau, MJ TI Morphology and Mechanisms of Picosecond Ablation of Metal Films on Fused Silica Substrates SO LASER-INDUCED DAMAGE IN OPTICAL MATERIALS 2016 SE Proceedings of SPIE LA English DT Proceedings Paper CT 48th SPIE Annual Laser Damage Symposium on Optical Materials for High-Power Lasers CY SEP 25-28, 2015 CL Boulder, CO SP SPIE, Laser Components GmbH, Spica Technologies Inc, ZC Optoelectron Technologies Ltd DE Picosecond; ablation; metal films ID LASER-ABLATION AB The ablation of magnetron sputtered metal films on fused silica substrates by a 1053 nm, picosecond class laser was studied as part of a demonstration of its use for in-situ characterization of the laser spot under conditions commonly used at the sample plane for laser machining and damage studies. Film thicknesses were 60 and 120 nm. Depth profiles and SEM images of the ablation sites revealed several striking and unexpected features distinct from those typically observed for ablation of bulk metals. Very sharp thresholds were observed for both partial and complete ablation of the films Partial film ablation was largely independent of laser fluence with a surface smoothness comparable to that of the un-ablated surface. Clear evidence of material displacement was seen at the boundary for complete film ablation. These features were common to a number of different metal films including Inconel on commercial neutral density filters, stainless steel, and aluminum. We will present data showing the morphology of the ablation sites on these films as well as a model of the possible physical mechanisms producing the unique features observed. C1 [Bass, Isaac L.; Negres, Raluca A.; Stanion, Ken; Guss, Gabe; Keller, Wesley J.; Matthews, Manyalibo J.; Rubenchik, Alexander M.; Yoo, Jae Hyuck; Bude, Jeffrey D.] Lawrence Livermore Natl Lab, 7000 East Ave, Livermore, CA 94550 USA. RP Bass, IL (reprint author), Lawrence Livermore Natl Lab, 7000 East Ave, Livermore, CA 94550 USA. EM bass1@llnl.gov FU U.S. Department of Energy by Lawrence Livermore National Laboratory [DE-AC52-07NA27344]; Laboratory Directed Research and Development FX This work was performed under the auspices of the U.S. Department of Energy by Lawrence Livermore National Laboratory under Contract DE-AC52-07NA27344. It was also performed in support the Laboratory Directed Research and Development project studying laser ejection of metallic particles from dielectric surfaces and coatings [5, 6]. NR 6 TC 0 Z9 0 U1 0 U2 0 PU SPIE-INT SOC OPTICAL ENGINEERING PI BELLINGHAM PA 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA SN 0277-786X BN 978-1-5106-0437-7 J9 PROC SPIE PY 2016 VL 10014 AR UNSP 1001414 DI 10.1117/12.2243342 PG 11 WC Optics; Physics, Applied SC Optics; Physics GA BH0BA UT WOS:000394528400020 ER PT S AU Bellum, JC Field, ES Kletecka, DE Rambo, PK Smith, IC AF Bellum, John C. Field, Ella S. Kletecka, Damon E. Rambo, Patrick K. Smith, Ian C. BE Exarhos, GJ Gruzdev, VE Menapace, JA Ristau, D Soileau, MJ TI Use of Al2O3 layers for higher laser damage threshold at 22.5 degrees incidence, S polarization of a 527 nm/1054 nm dichroic coating SO LASER-INDUCED DAMAGE IN OPTICAL MATERIALS 2016 SE Proceedings of SPIE LA English DT Proceedings Paper CT 48th SPIE Annual Laser Damage Symposium on Optical Materials for High-Power Lasers CY SEP 25-28, 2015 CL Boulder, CO SP SPIE, Laser Components GmbH, Spica Technologies Inc, ZC Optoelectron Technologies Ltd DE Laser damage; dichroic optical coatings; laser beam combining coatings; coatings on large optics; Al2O3 AB We have designed and reported on a dichroic beam combiner coating consisting of HfO2/SiO2 layer pairs to provide high transmission at 527 nm and high reflection at 1054 nm for 22.5 degrees angle of incidence (AOI) in S polarization (Spol). The laser-induced damage threshold (LIDT) of this first coating at the use AOI and polarization with 3.5 nanosecond (ns) pulses at 532 nm is 7 J/cm(2), and only marginally adequate for our beam combining application. In this paper, we describe the use of a combination of Al2O3 and HfO2 high index layers to modify the first as well as a second dichroic coating in two different ways, which results in a higher LIDT of 10 J/cm(2) for 3.5 ns pulses at 532 nm and 22.5 degrees AOI, Spol for the second dichroic coating, and in the same 7 J/cm(2) LIDT for the first dichroic coating. C1 [Bellum, John C.; Field, Ella S.; Kletecka, Damon E.; Rambo, Patrick K.; Smith, Ian C.] Sandia Natl Labs, POB 5800,MS 1197, Albuquerque, NM 87185 USA. RP Bellum, JC (reprint author), Sandia Natl Labs, POB 5800,MS 1197, Albuquerque, NM 87185 USA. EM jcbellu@sandia.gov OI Bellum, John/0000-0003-2230-5553 FU U.S. Department of Energy's National Nuclear Security Administration [DE-AC04-94AL85000] FX Sandia National Laboratories is a multi-mission laboratory managed and operated by Sandia Corporation, a wholly owned subsidiary of Lockheed Martin Corporation, for the U.S. Department of Energy's National Nuclear Security Administration under contract DE-AC04-94AL85000. NR 5 TC 0 Z9 0 U1 0 U2 0 PU SPIE-INT SOC OPTICAL ENGINEERING PI BELLINGHAM PA 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA SN 0277-786X BN 978-1-5106-0437-7 J9 PROC SPIE PY 2016 VL 10014 AR UNSP 1001425 DI 10.1117/12.2257607 PG 9 WC Optics; Physics, Applied SC Optics; Physics GA BH0BA UT WOS:000394528400041 ER PT S AU Day, T Wang, H Jankowska, E Reagan, BA Rocca, JJ Stolz, CJ Mirkarimi, P Folta, J Roehling, J Markosyan, A Route, RR Fejer, MM Menoni, CS AF Day, T. Wang, H. Jankowska, E. Reagan, B. A. Rocca, J. J. Stolz, C. J. Mirkarimi, P. Folta, J. Roehling, J. Markosyan, A. Route, R. R. Fejer, M. M. Menoni, C. S. BE Exarhos, GJ Gruzdev, VE Menapace, JA Ristau, D Soileau, MJ TI Impacts of SiO2 planarization on optical thin film properties and laser damage resistance SO LASER-INDUCED DAMAGE IN OPTICAL MATERIALS 2016 SE Proceedings of SPIE LA English DT Proceedings Paper CT 48th SPIE Annual Laser Damage Symposium on Optical Materials for High-Power Lasers CY SEP 25-28, 2015 CL Boulder, CO SP SPIE, Laser Components GmbH, Spica Technologies Inc, ZC Optoelectron Technologies Ltd DE Planarization; nodular defects; ion beam sputtering; laser induced damage; silica ID NODULAR DEFECTS; MULTILAYER MIRRORS; ELECTRIC-FIELD; COATINGS; CREATION AB Lawrence Livermore National Laboratory (LLNL) and Colorado State University (CSU) have co-developed a planarization process to smooth nodular defects. This process consists of individually depositing then etching tens of nanometers of SiO2 with a ratio of 2:1, respectively. Previous work shows incorporating the angular dependent ion surface etching and unidirectional deposition reduces substrate defect cross-sectional area by 90%. This work investigates the micro-structural and optical modifications of planarized SiO2 films deposited by ion beam sputtering (IBS). It is shown the planarized SiO2 thin films have similar to 3x increase in absorption and similar to 18% reduction in thin film stress as compared to control (as deposited) SiO2. Planarized SiO2 films exhibit similar to 13% increase in RMS surface roughness with respect to the control and super polished fused silica substrates. Laser-induced damage threshold (LIDT) results indicate the planarization process has no effect on the onset fluence but alters the shape of the probability vs fluence trace. C1 [Day, T.; Wang, H.; Jankowska, E.; Reagan, B. A.; Rocca, J. J.; Menoni, C. S.] Colorado State Univ, Dept Elect & Comp Engn, Ft Collins, CO 80523 USA. [Stolz, C. J.; Mirkarimi, P.; Folta, J.] Lawrence Livermore Natl Lab, POB 808,L-460, Livermore, CA 94551 USA. [Markosyan, A.; Route, R. R.; Fejer, M. M.] Stanford Univ, Dept Appl Phys, EL Ginzton Lab, Stanford, CA 94305 USA. RP Day, T (reprint author), Colorado State Univ, Dept Elect & Comp Engn, Ft Collins, CO 80523 USA. EM travis.day@colostate.edu FU U.S. Department of Energy by Lawrence Livermore National Laboratory [DE-AC52-07NA27344] FX This work was performed under the auspices of the U.S. Department of Energy by Lawrence Livermore National Laboratory under Contract DE-AC52-07NA27344. NR 24 TC 0 Z9 0 U1 0 U2 0 PU SPIE-INT SOC OPTICAL ENGINEERING PI BELLINGHAM PA 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA SN 0277-786X BN 978-1-5106-0437-7 J9 PROC SPIE PY 2016 VL 10014 AR UNSP 1001422 DI 10.1117/12.2245058 PG 8 WC Optics; Physics, Applied SC Optics; Physics GA BH0BA UT WOS:000394528400039 ER PT S AU Feigenbaum, E Raman, RN Cross, D Carr, CW Matthews, MJ AF Feigenbaum, E. Raman, R. N. Cross, D. Carr, C. W. Matthews, M. J. BE Exarhos, GJ Gruzdev, VE Menapace, JA Ristau, D Soileau, MJ TI Laser-induced Hertzian fractures on the exit surface of silica glass deposited with metal micro-spheres SO LASER-INDUCED DAMAGE IN OPTICAL MATERIALS 2016 SE Proceedings of SPIE LA English DT Proceedings Paper CT 48th SPIE Annual Laser Damage Symposium on Optical Materials for High-Power Lasers CY SEP 25-28, 2015 CL Boulder, CO SP SPIE, Laser Components GmbH, Spica Technologies Inc, ZC Optoelectron Technologies Ltd DE Laser damage; particulates; surface fractures ID INDUCED DAMAGE SITES; FUSED-SILICA; OPTICAL-COMPONENTS; PULSES; PRECURSORS; PARTICLES; ABLATION; GROWTH; POWER; NM AB We study the formation of laser-induced Hertzian fractures on silica output surfaces at high incident fluences initiated by surface bound metal particles. Hertzian fracture initiation probability as a function of incidence fluence is obtained for two particle materials. The resulting modified damage density curve shows prototypical features determined by the surface-bound particles population. The data is further used to calculate the coupling coefficient between incident energy and the ejected plasma momentum. C1 [Feigenbaum, E.; Raman, R. N.; Cross, D.; Carr, C. W.; Matthews, M. J.] Lawrence Livermore Natl Lab, Natl Ignit Facil & Photon Sci, 7000 East Ave, Livermore, CA 94550 USA. RP Feigenbaum, E (reprint author), Lawrence Livermore Natl Lab, Natl Ignit Facil & Photon Sci, 7000 East Ave, Livermore, CA 94550 USA. EM eyalf@llnl.gov FU U.S. Department of Energy by Lawrence Livermore National Laboratory [DE-AC52-07NA27344]; Laboratory Directed Research and Development [14-ERD-098, LLNL-PROC-707173] FX This work was performed under the auspices of the U.S. Department of Energy by Lawrence Livermore National Laboratory under contract DE-AC52-07NA27344. We would like to acknowledge the funding from Laboratory Directed Research and Development grant 14-ERD-098. LLNL-PROC-707173. NR 35 TC 0 Z9 0 U1 0 U2 0 PU SPIE-INT SOC OPTICAL ENGINEERING PI BELLINGHAM PA 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA SN 0277-786X BN 978-1-5106-0437-7 J9 PROC SPIE PY 2016 VL 10014 AR UNSP 1001406 DI 10.1117/12.2245047 PG 8 WC Optics; Physics, Applied SC Optics; Physics GA BH0BA UT WOS:000394528400004 ER PT S AU Matthews, MJ Feigenbaum, E Demos, SG Raman, RN Qiu, SR Shen, N Harris, C Negres, RA Norton, M Cross, D Rubenchik, AM AF Matthews, M. J. Feigenbaum, E. Demos, S. G. Raman, R. N. Qiu, S. R. Shen, N. Harris, C. Negres, R. A. Norton, M. Cross, D. Rubenchik, A. M. BE Exarhos, GJ Gruzdev, VE Menapace, JA Ristau, D Soileau, MJ TI Laser-matter coupling mechanisms governing particulate induced damage on optical surfaces SO LASER-INDUCED DAMAGE IN OPTICAL MATERIALS 2016 SE Proceedings of SPIE LA English DT Proceedings Paper CT 48th SPIE Annual Laser Damage Symposium on Optical Materials for High-Power Lasers CY SEP 25-28, 2015 CL Boulder, CO SP SPIE, Laser Components GmbH, Spica Technologies Inc, ZC Optoelectron Technologies Ltd DE Contamination; damage; plasma generation; particle ejection; energy coupling mechanism; pulsed lasers; surfaces; light scattering ID SILICA; PERFORMANCE; PARTICLES; ABLATION; POWER AB A comprehensive study of laser-induced damage associated with particulate damage on optical surfaces is presented. Contaminant-driven damage on silica windows and multilayer dielectrics is observed to range from shallow pitting to more classical fracture-type damage, depending on particle-substrate material combination, as well as laser pulse characteristics. Ejection dynamics is studied in terms of plasma emission spectroscopy and pump-probe shadowgraphy. Our data is used to assess the momentum coupling between incident energy and the ejected plasma, which dominates the laser-particle-substrate interaction. Beam propagation analysis is also presented to characterize the impact of contaminant-driven surface pitting on optical performance. C1 [Matthews, M. J.; Feigenbaum, E.; Raman, R. N.; Qiu, S. R.; Shen, N.; Negres, R. A.; Norton, M.; Cross, D.; Rubenchik, A. M.] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA. [Demos, S. G.] Univ Rochester, Laser Energet Lab, Rochester, NY 14623 USA. [Harris, C.] Florida A&M Univ, Dept Phys, Tallahassee, FL 32307 USA. RP Matthews, MJ (reprint author), Lawrence Livermore Natl Lab, Livermore, CA 94550 USA. FU U.S. Department of Energy by Lawrence Livermore National Laboratory [DE-AC52-07NA27344]; Laboratory Directed Research and Development [14-ERD-098] FX This work was performed under the auspices of the U.S. Department of Energy by Lawrence Livermore National Laboratory under contract DE-AC52-07NA27344. We would like to acknowledge the funding from Laboratory Directed Research and Development grant 14-ERD-098. NR 18 TC 0 Z9 0 U1 0 U2 0 PU SPIE-INT SOC OPTICAL ENGINEERING PI BELLINGHAM PA 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA SN 0277-786X BN 978-1-5106-0437-7 J9 PROC SPIE PY 2016 VL 10014 AR UNSP 1001402 DI 10.1117/12.2244981 PG 8 WC Optics; Physics, Applied SC Optics; Physics GA BH0BA UT WOS:000394528400001 ER PT S AU Negres, RA Stolz, CJ Kafka, KRP Chowdhury, EA Kirchner, M Shea, K Daly, M AF Negres, Raluca A. Stolz, Christopher J. Kafka, Kyle R. P. Chowdhury, Enam A. Kirchner, Matt Shea, Kevin Daly, Meaghan BE Exarhos, GJ Gruzdev, VE Menapace, JA Ristau, D Soileau, MJ TI 40-fs broadband low dispersion mirror thin film damage competition SO LASER-INDUCED DAMAGE IN OPTICAL MATERIALS 2016 SE Proceedings of SPIE LA English DT Proceedings Paper CT 48th SPIE Annual Laser Damage Symposium on Optical Materials for High-Power Lasers CY SEP 25-28, 2015 CL Boulder, CO SP SPIE, Laser Components GmbH, Spica Technologies Inc, ZC Optoelectron Technologies Ltd DE laser damage resistance; laser damage testing; thin film; broadband low dispersion mirror; multilayer; femtosecond pulse length AB This broadband, low dispersion mirror damage competition is a continuation of last year's test with 150 ps pulse length results published in 2015 and 40 fs pulse length results in this study. This competition allows a direct laser resistance comparison between pulse durations because the samples were laser damage tested under identical conditions. The requirements of the coatings are a minimum reflection of 99.5% at 45 degrees incidence angle at "P" polarization with a Group Delay Dispersion (GDD) of < 100 fs(2) over a spectral range of 773 nm +/- 50 nm. The choice of coating materials, design, and deposition method were left to the participant. Laser damage testing was performed using the raster scan method with a 40 fs pulse length on a single testing facility to enable a direct comparison among the participants. GDD measurements were performed to validate specification compliance. A double blind test assured sample and submitter anonymity. In addition to the laser resistance results and GDD measurements, details of the deposition processes, cleaning method, coating materials and layer count are also shared. C1 [Negres, Raluca A.; Stolz, Christopher J.] Lawrence Livermore Natl Lab, 7000 East Ave, Livermore, CA 94550 USA. [Kafka, Kyle R. P.; Chowdhury, Enam A.] Ohio State Univ, 191 W Woodruff Ave, Columbus, OH 43210 USA. [Kirchner, Matt; Shea, Kevin; Daly, Meaghan] KMLabs Inc, 4775 Walnut St,Suite 102, Boulder, CO 80301 USA. RP Negres, RA (reprint author), Lawrence Livermore Natl Lab, 7000 East Ave, Livermore, CA 94550 USA. EM negres2@llnl.gov FU U.S. Department of Energy (DOE) by Lawrence Livermore National Laboratory [DE-AC52-07NA27344, LLNL-PROC-709718]; Air Force Office of Scientific Research [AFOSR-FA9550-16-1-0069] FX The authors would like to acknowledge all of the participants who prepared the samples and provided the information about how the coatings were manufactured. The sample represent a significant investment to manufacture by the companies and institutes that participated. Femtosecond Solid Dynamics Lab at the Ohio State University graciously donated all of the laser damage testing and KMLabs graciously donated the GDD measurement services. Co-authors Kafka and Chowdhury would like to acknowledge the support from Air Force Office of Scientific Research grant no. AFOSR-FA9550-16-1-0069. NR 9 TC 0 Z9 0 U1 1 U2 1 PU SPIE-INT SOC OPTICAL ENGINEERING PI BELLINGHAM PA 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA SN 0277-786X BN 978-1-5106-0437-7 J9 PROC SPIE PY 2016 VL 10014 AR UNSP 100140E DI 10.1117/12.2244758 PG 9 WC Optics; Physics, Applied SC Optics; Physics GA BH0BA UT WOS:000394528400011 ER PT S AU Rambo, P Schwarz, J Schollmeier, M Geissel, M Smith, I Kimmel, M Speas, C Shores, J Armstrong, D Bellum, J Field, E Kletecka, D Porter, J AF Rambo, P. Schwarz, J. Schollmeier, M. Geissel, M. Smith, I. Kimmel, M. Speas, C. Shores, J. Armstrong, D. Bellum, J. Field, E. Kletecka, D. Porter, J. BE Exarhos, GJ Gruzdev, VE Menapace, JA Ristau, D Soileau, MJ TI Sandia's Z-Backlighter Laser Facility SO LASER-INDUCED DAMAGE IN OPTICAL MATERIALS 2016 SE Proceedings of SPIE LA English DT Proceedings Paper CT 48th SPIE Annual Laser Damage Symposium on Optical Materials for High-Power Lasers CY SEP 25-28, 2015 CL Boulder, CO SP SPIE, Laser Components GmbH, Spica Technologies Inc, ZC Optoelectron Technologies Ltd ID NATIONAL IGNITION FACILITY; Z-BEAMLET; SYSTEM; PERFORMANCE; PHYSICS AB The Z-Backlighter Laser Facility at Sandia National Laboratories was developed to enable high energy density physics experiments in conjunction with the Z Pulsed Power Facility at Sandia National Laboratories, with an emphasis on backlighting. Since the first laser system there became operational in 2001, the facility has continually evolved to add new capability and new missions. The facility currently has several high energy laser systems including the nanosecond/multi-kilojoule Z-Beamlet Laser (ZBL), the sub-picosecond/kilojoule-class Z-Petawatt (ZPW) Laser, and the smaller nanosecond/100 J-class Chaco laser. In addition to these, the backlighting mission requires a regular stream of coated consumable optics such as debris shields and vacuum windows, which led to the development of the Sandia Optics Support Facility to support the unique high damage threshold optical coating needs described. C1 [Rambo, P.; Schwarz, J.; Schollmeier, M.; Geissel, M.; Smith, I.; Kimmel, M.; Speas, C.; Shores, J.; Armstrong, D.; Bellum, J.; Field, E.; Kletecka, D.; Porter, J.] Sandia Natl Labs, POB 5800,MS 1197, Albuquerque, NM 87185 USA. RP Rambo, P (reprint author), Sandia Natl Labs, POB 5800,MS 1197, Albuquerque, NM 87185 USA. EM prambo@sandia.gov OI Bellum, John/0000-0003-2230-5553 FU United States Department of Energy's National Nuclear Security Administration [DE-AC04-94AL85000] FX Sandia is a multi-mission laboratory operated by Sandia Corporation, a Lockheed Martin Company, for the United States Department of Energy's National Nuclear Security Administration under contract DE-AC04-94AL85000. NR 49 TC 0 Z9 0 U1 0 U2 0 PU SPIE-INT SOC OPTICAL ENGINEERING PI BELLINGHAM PA 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA SN 0277-786X BN 978-1-5106-0437-7 J9 PROC SPIE PY 2016 VL 10014 AR UNSP 100140Z DI 10.1117/12.2245271 PG 16 WC Optics; Physics, Applied SC Optics; Physics GA BH0BA UT WOS:000394528400018 ER PT S AU Yoo, JH Adams, JJ Menor, MG Olson, TY Lee, JRI Samanta, A Bude, J Elhadj, S AF Yoo, Jae-Hyuck Adams, John J. Menor, Marlon G. Olson, Tammy Y. Lee, Jonathan R. I. Samanta, Amit Bude, Jeff Elhadj, Selim BE Exarhos, GJ Gruzdev, VE Menapace, JA Ristau, D Soileau, MJ TI Nanosecond laser-induced damage of transparent conducting ITO film at 1064 nm SO LASER-INDUCED DAMAGE IN OPTICAL MATERIALS 2016 SE Proceedings of SPIE LA English DT Proceedings Paper CT 48th SPIE Annual Laser Damage Symposium on Optical Materials for High-Power Lasers CY SEP 25-28, 2015 CL Boulder, CO SP SPIE, Laser Components GmbH, Spica Technologies Inc, ZC Optoelectron Technologies Ltd DE ITO film; nanosecond; laser; damage ID TIN-OXIDE; SURFACE AB Transparent conducting films with superior laser damage performance have drawn intense interests toward optoelectronic applications under high energy density environment. In order to make optoelectronic applications with high laser damage performance, a fundamental understanding of damage mechanisms of conducting films is crucial. In this study, we performed laser damage experiments on tin-doped indium oxide films (ITO, Bandgap = 4.0 eV) using a nanosecond (ns) pulse laser (1064 nm) and investigated the underlying physical damage mechanisms. Single ns laser pulse irradiation on ITO films resulted in common thermal degradation features such as melting and evaporation although the laser photon energy (1.03 eV, 1064 nm) was smaller than the bandgap. Dominant laser energy absorption of the ITO film is attributed to free carriers due to degenerate doping. Upon multi-pulse irradiation on the film, damage initiation and growth were observed at lower laser fluences, where no apparent damage was formed upon single pulse, suggesting a laser-induced incubation effect. C1 [Yoo, Jae-Hyuck; Adams, John J.; Menor, Marlon G.; Olson, Tammy Y.; Lee, Jonathan R. I.; Samanta, Amit; Bude, Jeff; Elhadj, Selim] Lawrence Livermore Natl Lab, 7000 East Ave, Livermore, CA 94550 USA. RP Yoo, JH (reprint author), Lawrence Livermore Natl Lab, 7000 East Ave, Livermore, CA 94550 USA. EM yoo5@llnl.gov FU U.S. Department of Energy by Lawrence Livermore National Laboratory [DE-AC52-07NA27344] FX This work was performed under the auspices of the U.S. Department of Energy by Lawrence Livermore National Laboratory under Contract DE-AC52-07NA27344. NR 7 TC 0 Z9 0 U1 0 U2 0 PU SPIE-INT SOC OPTICAL ENGINEERING PI BELLINGHAM PA 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA SN 0277-786X BN 978-1-5106-0437-7 J9 PROC SPIE PY 2016 VL 10014 AR UNSP 100140H DI 10.1117/12.2244977 PG 6 WC Optics; Physics, Applied SC Optics; Physics GA BH0BA UT WOS:000394528400013 ER PT J AU Chen, J Dedham, D Walter, A Wercberger, R Kuhn, J Le Gros, MA Basbaum, A Larabell, CA AF Chen, J. Dedham, D. Walter, A. Wercberger, R. Kuhn, J. Le Gros, M. A. Basbaum, A. Larabell, C. A. TI Quantitative analysis of the 3D spatial organization of cells and organelles. SO MOLECULAR BIOLOGY OF THE CELL LA English DT Meeting Abstract CT Annual Meeting of the American-Society-for-Cell-Biology (ASCB) CY DEC 03-07, 2016 CL San Francisco, CA SP Amer Soc Cell Biol C1 [Chen, J.; Dedham, D.; Walter, A.; Wercberger, R.; Kuhn, J.; Le Gros, M. A.; Basbaum, A.; Larabell, C. A.] Univ Calif San Francisco, Anat, San Francisco, CA 94143 USA. [Le Gros, M. A.; Larabell, C. A.] Lawrence Berkeley Natl Lab, Mol Biophys Integrated Bioimaging, Berkeley, CA USA. NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER SOC CELL BIOLOGY PI BETHESDA PA 8120 WOODMONT AVE, STE 750, BETHESDA, MD 20814-2755 USA SN 1059-1524 EI 1939-4586 J9 MOL BIOL CELL JI Mol. Biol. Cell PY 2016 VL 27 MA P1667 PG 1 WC Cell Biology SC Cell Biology GA EN5LN UT WOS:000396047100669 ER PT J AU Dagdas, YS Chen, JS Sternberg, SH Doudna, JA Yildiz, A AF Dagdas, Y. S. Chen, J. S. Sternberg, S. H. Doudna, J. A. Yildiz, A. TI Conformational dynamics of Cas9 during DNA binding. SO MOLECULAR BIOLOGY OF THE CELL LA English DT Meeting Abstract CT Annual Meeting of the American-Society-for-Cell-Biology (ASCB) CY DEC 03-07, 2016 CL San Francisco, CA SP Amer Soc Cell Biol C1 [Dagdas, Y. S.] Univ Calif Berkeley, Biophys Grad Grp, Berkeley, CA 94720 USA. [Chen, J. S.; Doudna, J. A.; Yildiz, A.] Univ Calif Berkeley, Dept Mol & Cell Biol, 229 Stanley Hall, Berkeley, CA 94720 USA. [Sternberg, S. H.; Doudna, J. A.] Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA. [Doudna, J. A.] Univ Calif Berkeley, Howard Hughes Med Inst, Berkeley, CA 94720 USA. [Doudna, J. A.] Lawrence Berkeley Natl Lab, Phys Biosci Div, Berkeley, CA USA. [Yildiz, A.] Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA. NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER SOC CELL BIOLOGY PI BETHESDA PA 8120 WOODMONT AVE, STE 750, BETHESDA, MD 20814-2755 USA SN 1059-1524 EI 1939-4586 J9 MOL BIOL CELL JI Mol. Biol. Cell PY 2016 VL 27 MA P1180 PG 2 WC Cell Biology SC Cell Biology GA EN5LN UT WOS:000396047100183 ER PT J AU Louder, RK Patel, A He, Y Fang, J Nogales, E AF Louder, R. K. Patel, A. He, Y. Fang, J. Nogales, E. TI Cryo-EM visualization of promoter binding by the human general transcription factor TFIID. SO MOLECULAR BIOLOGY OF THE CELL LA English DT Meeting Abstract CT Annual Meeting of the American-Society-for-Cell-Biology (ASCB) CY DEC 03-07, 2016 CL San Francisco, CA SP Amer Soc Cell Biol C1 [Louder, R. K.; Patel, A.] Univ Calif Berkeley, Biophys Grad Grp, Berkeley, CA 94720 USA. [He, Y.; Nogales, E.] Lawrence Berkeley Natl Lab, Mol Biophys & Integrat Bioimaging Div, Berkeley, CA USA. [He, Y.] Northwestern Univ, Dept Mol Biosci, Evanston, IL USA. [Fang, J.; Nogales, E.] Univ Calif Berkeley, Howard Hughes Med Inst, Berkeley, CA 94720 USA. [Nogales, E.] Univ Calif Berkeley, Inst QB3, Berkeley, CA 94720 USA. [Nogales, E.] Univ Calif Berkeley, Dept Mol & Cell Biol, 229 Stanley Hall, Berkeley, CA 94720 USA. NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER SOC CELL BIOLOGY PI BETHESDA PA 8120 WOODMONT AVE, STE 750, BETHESDA, MD 20814-2755 USA SN 1059-1524 EI 1939-4586 J9 MOL BIOL CELL JI Mol. Biol. Cell PY 2016 VL 27 MA P1174 PG 2 WC Cell Biology SC Cell Biology GA EN5LN UT WOS:000396047100177 ER PT J AU Shamir, ER Coutinho, K Georgess, D Auer, M Ewald, AJ AF Shamir, E. R. Coutinho, K. Georgess, D. Auer, M. Ewald, A. J. TI Twist1(+) epithelial cells retain adhesive and proliferative capacity throughout dissemination SO MOLECULAR BIOLOGY OF THE CELL LA English DT Meeting Abstract CT Annual Meeting of the American-Society-for-Cell-Biology (ASCB) CY DEC 03-07, 2016 CL San Francisco, CA SP Amer Soc Cell Biol C1 [Shamir, E. R.; Coutinho, K.; Georgess, D.; Ewald, A. J.] Johns Hopkins Univ, Cell Biol & Oncol, Baltimore, MD USA. [Shamir, E. R.] Univ Calif San Francisco, Pathol, San Francisco, CA 94143 USA. [Coutinho, K.; Auer, M.] Lawrence Berkeley Natl Lab, Life Sci, Berkeley, CA USA. NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER SOC CELL BIOLOGY PI BETHESDA PA 8120 WOODMONT AVE, STE 750, BETHESDA, MD 20814-2755 USA SN 1059-1524 EI 1939-4586 J9 MOL BIOL CELL JI Mol. Biol. Cell PY 2016 VL 27 MA P1475 PG 1 WC Cell Biology SC Cell Biology GA EN5LN UT WOS:000396047100477 ER PT J AU Thakar, D Low-Nam, S Groves, JT Weaver, VM AF Thakar, D. Low-Nam, S. Groves, J. T. Weaver, V. M. TI RTK signaling in response to extracellular stiffness at the single molecule level. SO MOLECULAR BIOLOGY OF THE CELL LA English DT Meeting Abstract CT Annual Meeting of the American-Society-for-Cell-Biology (ASCB) CY DEC 03-07, 2016 CL San Francisco, CA SP Amer Soc Cell Biol C1 [Thakar, D.; Weaver, V. M.] Univ Calif San Francisco, Dept Surg, Ctr Bioengn & Tissue Regenerat, San Francisco, CA USA. [Low-Nam, S.; Groves, J. T.] Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA. [Low-Nam, S.; Groves, J. T.] Lawrence Berkeley Natl Lab, Phys Biosci Div, Berkeley, CA USA. [Weaver, V. M.] Univ Calif San Francisco, Dept Anat, San Francisco, CA 94143 USA. [Weaver, V. M.] Univ Calif San Francisco, Dept Bioengn & Therapeut Sci, San Francisco, CA 94143 USA. [Weaver, V. M.] Univ Calif San Francisco, Eli & Edythe Broad Ctr Regenerat Med & Stem Cell, San Francisco, CA 94143 USA. [Weaver, V. M.] Univ Calif San Francisco, UCSF Helen Diller Comprehens Canc Ctr, San Francisco, CA 94143 USA. FU NIH [1U01CA202241-01] FX We acknowledge funding from NIH 1U01CA202241-01. NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER SOC CELL BIOLOGY PI BETHESDA PA 8120 WOODMONT AVE, STE 750, BETHESDA, MD 20814-2755 USA SN 1059-1524 EI 1939-4586 J9 MOL BIOL CELL JI Mol. Biol. Cell PY 2016 VL 27 MA P1157 PG 2 WC Cell Biology SC Cell Biology GA EN5LN UT WOS:000396047100160 ER PT J AU Wolf, KJ Kenny, SJ Xu, K Kumar, S AF Wolf, K. J. Kenny, S. J. Xu, K. Kumar, S. TI Migration through Hyaluronic Acid Matrices is Supported by CD44-dependent Microtentacles. SO MOLECULAR BIOLOGY OF THE CELL LA English DT Meeting Abstract CT Annual Meeting of the American-Society-for-Cell-Biology (ASCB) CY DEC 03-07, 2016 CL San Francisco, CA SP Amer Soc Cell Biol C1 [Wolf, K. J.; Kumar, S.] Univ Calif Berkeley, Bioengn, UCSF Grad Program, Berkeley, CA USA. [Wolf, K. J.; Kumar, S.] Univ Calif Berkeley, Bioengn, Berkeley, CA 94720 USA. [Kenny, S. J.; Xu, K.] Univ Calif Berkeley, Chem, Berkeley, CA 94720 USA. [Xu, K.] Lawrence Berkeley Natl Lab, Div Mol Biophys & Integrated Bioimaging, Berkeley, CA USA. [Kumar, S.] Univ Calif Berkeley, Chem & Biomol Engn, Berkeley, CA 94720 USA. NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER SOC CELL BIOLOGY PI BETHESDA PA 8120 WOODMONT AVE, STE 750, BETHESDA, MD 20814-2755 USA SN 1059-1524 EI 1939-4586 J9 MOL BIOL CELL JI Mol. Biol. Cell PY 2016 VL 27 MA P1484 PG 1 WC Cell Biology SC Cell Biology GA EN5LN UT WOS:000396047100486 ER PT J AU Skupien, GM Andrews, KM Larson, LR AF Skupien, Gregory M. Andrews, Kimberly M. Larson, Lincoln R. TI Teaching Tolerance? Effects of Conservation Education Programs on Wildlife Acceptance Capacity for the American Alligator SO HUMAN DIMENSIONS OF WILDLIFE LA English DT Article ID HUMAN-CARNIVORE COEXISTENCE; CONFLICT; COMMUNICATION; PERCEPTIONS; MANAGEMENT; ATTITUDES; SNAKES; WILL; BEAR AB Growing populations of American alligators (Alligator mississippiensis) in human-dominated landscapes present a challenge to wildlife managers concerned with promoting coexistence between humans and alligators. Where structural fixes such as direct removal of animals are not viable options, cognitive fixes such as conservation education programs should be considered. We evaluated the effectiveness of two conservation education programs (classroom-based program, field excursion) on three outcome variables that help define wildlife acceptance capacity for American alligators: beliefs and attitudes, perceived risk, and potential for coexistence. We found respondents who took part in both education programs had more positive beliefs and attitudes toward alligators, and believed in a greater potential for coexistence than individuals in a control group who did not undergo either intervention. Control group respondents also perceived higher risk from alligators. These data suggest that conservation education programs can impact stakeholder beliefs, attitudes, and perceptions, ultimately influencing acceptance capacity for predators. C1 [Skupien, Gregory M.; Andrews, Kimberly M.] Univ Georgia, Odum Sch Ecol, Athens, GA 30602 USA. [Andrews, Kimberly M.] Savannah River Ecol Lab, Aiken, SC USA. [Skupien, Gregory M.; Andrews, Kimberly M.] Jekyll Isl Author, Georgia Sea Turtle Ctr, Jekyll Isl, GA USA. [Larson, Lincoln R.] Clemson Univ, Dept Pk Recreat & Tourism Management, Clemson, SC USA. RP Skupien, GM (reprint author), 7501 Drayton Court, Raleigh, NC 27615 USA. EM gregory.skupien@gmail.com NR 53 TC 0 Z9 0 U1 2 U2 2 PU TAYLOR & FRANCIS LTD PI ABINGDON PA 2-4 PARK SQUARE, MILTON PARK, ABINGDON OR14 4RN, OXON, ENGLAND SN 1087-1209 EI 1533-158X J9 HUM DIMENS WILDL JI Hum. Dimens. Wildl. PY 2016 VL 21 IS 3 BP 264 EP 279 DI 10.1080/10871209.2016.1147624 PG 16 GA DI8AS UT WOS:000373723700006 ER PT S AU Bhaduri, BL Bright, EA Rose, AN Liu, C Urban, ML Stewart, RN AF Bhaduri, Budhendra L. Bright, Edward A. Rose, Amy N. Liu, Cheng Urban, Marie L. Stewart, Robert N. GP IEEE TI DATA DRIVEN APPROACH FOR HIGH RESOLUTION POPULATION DISTRIBUTION AND DYNAMICS MODELS SO 2016 10TH EUROPEAN CONFERENCE ON ANTENNAS AND PROPAGATION (EUCAP) SE Proceedings of the European Conference on Antennas and Propagation LA English DT Proceedings Paper CT 10th European Conference on Antennas and Propagation (EuCAP) CY APR 10-15, 2016 CL Davos, SWITZERLAND ID AREAL INTERPOLATION; SIMULATION; CENSUS AB High resolution population distribution data are vital for successfully addressing critical issues ranging from energy and socio-environmental research to public health to human security. Commonly available population data from Census is constrained both in space and time and does not capture population dynamics as functions of space and time. This imposes a significant limitation on the fidelity of event-based simulation models with sensitive space-time resolution. This paper describes ongoing development of high-resolution population distribution and dynamics models, at Oak Ridge National Laboratory, through spatial data integration and modeling with behavioral or activity-based mobility datasets for representing temporal dynamics of population. The model is resolved at 1 km resolution globally and describes the U.S. population for nighttime and daytime at 90m. Integration of such population data provides the opportunity to develop simulations and applications in critical infrastructure management from local to global scales. C1 [Bhaduri, Budhendra L.; Bright, Edward A.; Rose, Amy N.; Liu, Cheng; Urban, Marie L.; Stewart, Robert N.] Oak Ridge Natl Lab, Computat Sci & Engn, Oak Ridge, TN 37934 USA. RP Bhaduri, BL (reprint author), Oak Ridge Natl Lab, Computat Sci & Engn, Oak Ridge, TN 37934 USA. EM bhaduribl@ornl.gov; brightea@ornl.gov; rosean@ornl.gov; liuc@ornl.gov; urbanml@ornl.gov; stewartrn@ornl.gov NR 33 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 2164-3342 BN 978-8-8907-0186-3 J9 PROC EUR CONF ANTENN PY 2016 BP 842 EP 850 PG 9 WC Engineering, Electrical & Electronic; Telecommunications SC Engineering; Telecommunications GA BG3XP UT WOS:000388372501011 ER PT S AU Powers, S AF Powers, Sarah GP IEEE TI A STUDY OF THE IMPACT OF SCHEDULING PARAMETERS IN HETEROGENEOUS COMPUTING ENVIRONMENTS SO 2016 10TH EUROPEAN CONFERENCE ON ANTENNAS AND PROPAGATION (EUCAP) SE Proceedings of the European Conference on Antennas and Propagation LA English DT Proceedings Paper CT 10th European Conference on Antennas and Propagation (EuCAP) CY APR 10-15, 2016 CL Davos, SWITZERLAND ID ENERGY AB This paper describes a tool for exploring system scheduler parameter settings in a heterogeneous computing environment. Through the coupling of simulation and optimization techniques, this work investigates optimal scheduling intervals, the impact of job arrival prediction on scheduling, as well as how to best apply fair use policies. The developed simulation framework is quick and modular, enabling decision makers to further explore decisions in real-time regarding scheduling policies or parameter changes. C1 [Powers, Sarah] Oak Ridge Natl Lab, Comp Sci & Math Div, 1 Bethel Valley Rd, Oak Ridge, TN 37831 USA. RP Powers, S (reprint author), Oak Ridge Natl Lab, Comp Sci & Math Div, 1 Bethel Valley Rd, Oak Ridge, TN 37831 USA. NR 20 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 2164-3342 BN 978-8-8907-0186-3 J9 PROC EUR CONF ANTENN PY 2016 BP 933 EP 942 PG 10 WC Engineering, Electrical & Electronic; Telecommunications SC Engineering; Telecommunications GA BG3XP UT WOS:000388372501019 ER PT S AU Portante, EC Folga, SF Kavicky, JA Malone, LT AF Portante, Edgar C. Folga, Stephen F. Kavicky, James A. Malone, Leah Talaber GP IEEE TI SIMULATION OF THE SEPTEMBER 8, 2011, SAN DIEGO BLACKOUT SO 2016 10TH EUROPEAN CONFERENCE ON ANTENNAS AND PROPAGATION (EUCAP) SE Proceedings of the European Conference on Antennas and Propagation LA English DT Proceedings Paper CT 10th European Conference on Antennas and Propagation (EuCAP) CY APR 10-15, 2016 CL Davos, SWITZERLAND AB The development of predictive tools for emergency management has recently become a subject of major consideration among emergency responders, especially at the federal level. Often the news of an impending high-consequence threat causes significant stress on these agencies because of their inability to apprise management of probable impacts with sufficient certainty. This paper documents Argonne National Laboratory's effort to demonstrate the predictive capability of its newly enhanced tool called EPfast in estimating the impacts of postulated events on our power system. Specifically, the study focuses on EPfast's ability to estimate power outage areas resulting from random system contingencies. The San Diego September 8, 2011, blackout that affected most of southern California was selected for simulation using EPfast. Results showed agreement with actual reported impacts in both spatial and quantitative terms. The method, assumptions, and data used are presented here, and results showing their potential application to emergency planning are discussed. C1 [Portante, Edgar C.; Folga, Stephen F.; Kavicky, James A.; Malone, Leah Talaber] Argonne Natl Lab, 9700 South Cass Ave, Argonne, IL 60432 USA. RP Portante, EC (reprint author), Argonne Natl Lab, 9700 South Cass Ave, Argonne, IL 60432 USA. EM ecportante@anl.gov; sfolga@anl.gov; kavicky@anl.gov; ltalaber@anl.gov NR 6 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 2164-3342 BN 978-8-8907-0186-3 J9 PROC EUR CONF ANTENN PY 2016 BP 1527 EP 1538 PG 12 WC Engineering, Electrical & Electronic; Telecommunications SC Engineering; Telecommunications GA BG3XP UT WOS:000388372502002 ER PT S AU North, MJ AF North, Michael J. GP IEEE TI A TIME AND SPACE COMPLEXITY ANALYSIS OF MODEL INTEGRATION SO 2016 10TH EUROPEAN CONFERENCE ON ANTENNAS AND PROPAGATION (EUCAP) SE Proceedings of the European Conference on Antennas and Propagation LA English DT Proceedings Paper CT 10th European Conference on Antennas and Propagation (EuCAP) CY APR 10-15, 2016 CL Davos, SWITZERLAND ID AGENT-BASED MODELS; EFFICIENT ALGORITHM; MULTIPARADIGM AB The computational study of complex systems increasingly requires model integration. The drivers include a growing interest in leveraging accepted legacy models, an intensifying pressure to reduce development costs by reusing models, and expanding user requirements that are best met by combining different modeling methods. There have been many published successes including supporting theory, conceptual frameworks, software tools, and case studies. Nonetheless, on an empirical basis, the published work suggests that correctly specifying model integration strategies remains challenging. This naturally raises a question that has not yet been answered in the literature, namely 'what is the computational difficulty of model integration?' This paper's contribution is to address this question with a time and space complexity analysis that concludes that deep model integration with proven correctness is both NP-complete and PSPACE-complete and that reducing this complexity requires sacrificing correctness proofs in favor of guidance from both subject matter experts and modeling specialists. C1 [North, Michael J.] Argonne Natl Lab, 9700 S Cass Ave, Argonne, IL 60439 USA. RP North, MJ (reprint author), Argonne Natl Lab, 9700 S Cass Ave, Argonne, IL 60439 USA. EM north@anl.gov NR 35 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 2164-3342 BN 978-8-8907-0186-3 J9 PROC EUR CONF ANTENN PY 2016 BP 1644 EP 1651 PG 8 WC Engineering, Electrical & Electronic; Telecommunications SC Engineering; Telecommunications GA BG3XP UT WOS:000388372502012 ER PT S AU Yoginath, SB Perumalla, KS AF Yoginath, Srikanth B. Perumalla, Kalyan S. GP IEEE TI DESIGN OF A HIGH-FIDELITY TESTING FRAMEWORK FOR SECURE ELECTRIC GRID CONTROL SO 2016 10TH EUROPEAN CONFERENCE ON ANTENNAS AND PROPAGATION (EUCAP) SE Proceedings of the European Conference on Antennas and Propagation LA English DT Proceedings Paper CT 10th European Conference on Antennas and Propagation (EuCAP) CY APR 10-15, 2016 CL Davos, SWITZERLAND AB A solution methodology and implementation components are presented that can uncover unwanted, unintentional or unanticipated effects on electric grids from changes to actual electric grid control software. A new design is presented to leapfrog over the limitations of current modeling and testing techniques for cyber technologies in electric grids. We design a fully virtualized approach in which actual, unmodified operational software under test is enabled to interact with simulated surrogates of electric grids. It enables the software to influence the (simulated) grid operation and vice versa in a controlled, high fidelity environment. Challenges in achieving such capability include achieving low-overhead time control mechanisms in hypervisor schedulers, network capture and time-stamping, translation of network packets emanating from grid software into discrete events of virtual grid models, translation back from virtual sensors/actuators into data packets to control software, and transplanting the entire system onto an accurately and efficiently maintained virtual-time plane. C1 [Yoginath, Srikanth B.; Perumalla, Kalyan S.] Oak Ridge Natl Lab, Computat Sci & Engn Div, Oak Ridge, TN 37831 USA. RP Yoginath, SB (reprint author), Oak Ridge Natl Lab, Computat Sci & Engn Div, Oak Ridge, TN 37831 USA. EM yoginathsb@ornl.gov; perumallaks@ornl.gov NR 15 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 2164-3342 BN 978-8-8907-0186-3 J9 PROC EUR CONF ANTENN PY 2016 BP 3024 EP 3035 PG 12 WC Engineering, Electrical & Electronic; Telecommunications SC Engineering; Telecommunications GA BG3XP UT WOS:000388372503067 ER PT J AU Canini, L Guedj, J Perelson, AS AF Canini, Laetitia Guedj, Jeremie Perelson, Alan S. TI Danoprevir pharmacokinetic/viral kinetic model for treating chronic HCV - some considerations Reply SO ANTIVIRAL THERAPY LA English DT Letter C1 [Canini, Laetitia] Univ Edinburgh, Ctr Immun Infect & Evolut, Edinburgh, Midlothian, Scotland. [Guedj, Jeremie] INSERM, IAME, UMR 1137, F-75018 Paris, France. [Perelson, Alan S.] Los Alamos Natl Lab, Theoret Biol & Biophys Grp, Los Alamos, NM 87544 USA. RP Perelson, AS (reprint author), Los Alamos Natl Lab, Theoret Biol & Biophys Grp, Los Alamos, NM 87544 USA. EM asp@lanl.gov FU Roche FX ASP has received research funding from Roche and has consulted for Gilead, Bristol-Myers Squibb, Santaris and Achillion on HCV-related matters. JG has consulted for Gilead on HCV related matters. LC has no competing interests. NR 4 TC 0 Z9 0 U1 0 U2 0 PU INT MEDICAL PRESS LTD PI LONDON PA 2-4 IDOL LANE, LONDON EC3R 5DD, ENGLAND SN 1359-6535 J9 ANTIVIR THER JI Antivir. Ther. PY 2016 VL 21 IS 7 BP 648 EP 649 PG 2 WC Infectious Diseases; Pharmacology & Pharmacy; Virology SC Infectious Diseases; Pharmacology & Pharmacy; Virology GA EN6BO UT WOS:000396089700014 PM 27550924 ER PT J AU Alves, DS Morrell-Falvey, JL Barrera, FN AF Alves, D. S. Morrell-Falvey, J. L. Barrera, F. N. TI A novel peptide that activates the EphA2 receptor and decreases cell migration. SO MOLECULAR BIOLOGY OF THE CELL LA English DT Meeting Abstract CT Annual Meeting of the American-Society-for-Cell-Biology (ASCB) CY DEC 03-07, 2016 CL San Francisco, CA SP Amer Soc Cell Biol C1 [Alves, D. S.; Barrera, F. N.] Univ Tennessee, BCMB, Knoxville, TN USA. [Morrell-Falvey, J. L.] Oak Ridge Natl Lab, Biol & Nanoscale Syst BioSci Div, Oak Ridge, TN USA. NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER SOC CELL BIOLOGY PI BETHESDA PA 8120 WOODMONT AVE, STE 750, BETHESDA, MD 20814-2755 USA SN 1059-1524 EI 1939-4586 J9 MOL BIOL CELL JI Mol. Biol. Cell PY 2016 VL 27 MA P264 PG 1 WC Cell Biology SC Cell Biology GA EN5LM UT WOS:000396046900263 ER PT J AU Dernburg, AF Rog, O Kohler, S Zhang, L AF Dernburg, A. F. Rog, O. Kohler, S. Zhang, L. TI A self-extinguishing signaling circuit within the synaptonemal complex regulates meiotic recombination. SO MOLECULAR BIOLOGY OF THE CELL LA English DT Meeting Abstract CT Annual Meeting of the American-Society-for-Cell-Biology (ASCB) CY DEC 03-07, 2016 CL San Francisco, CA SP Amer Soc Cell Biol C1 [Dernburg, A. F.; Rog, O.; Kohler, S.; Zhang, L.] Howard Hughes Med Inst, Chevy Chase, MD USA. [Dernburg, A. F.; Rog, O.; Kohler, S.; Zhang, L.] Univ Calif Berkeley, Mol & Cell Biol, Berkeley, CA 94720 USA. [Dernburg, A. F.; Rog, O.; Kohler, S.; Zhang, L.] Calif Inst Quantitat Biosci QB3, Berkeley, CA USA. [Dernburg, A. F.] Lawrence Berkeley Natl Lab, Div Life Sci, Berkeley, CA USA. NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER SOC CELL BIOLOGY PI BETHESDA PA 8120 WOODMONT AVE, STE 750, BETHESDA, MD 20814-2755 USA SN 1059-1524 EI 1939-4586 J9 MOL BIOL CELL JI Mol. Biol. Cell PY 2016 VL 27 MA P1874 PG 2 WC Cell Biology SC Cell Biology GA EN5LO UT WOS:000396047200176 ER PT J AU Janssen, A Breuer, GA Brinkman, EK van der Meulen, AI Borden, SV van Steensel, B Bindra, RS LaRocque, JR Karpen, GH AF Janssen, A. Breuer, G. A. Brinkman, E. K. van der Meulen, A. I. Borden, S. V. van Steensel, B. Bindra, R. S. LaRocque, J. R. Karpen, G. H. TI A single double strand break system reveals repair dynamics and mechanisms in heterochromatin and euchromatin SO MOLECULAR BIOLOGY OF THE CELL LA English DT Meeting Abstract CT Annual Meeting of the American-Society-for-Cell-Biology (ASCB) CY DEC 03-07, 2016 CL San Francisco, CA SP Amer Soc Cell Biol C1 [Janssen, A.; van der Meulen, A. I.; Borden, S. V.; Karpen, G. H.] Lawrence Berkeley Natl Lab, Biol Syst & Engn, Berkeley, CA USA. [Breuer, G. A.; Bindra, R. S.] Yale Sch Med, Dept Therapeut Radiol, New Haven, CT USA. [Breuer, G. A.; Bindra, R. S.] Yale Sch Med, Dept Expt Pathol, New Haven, CT USA. [Brinkman, E. K.; van Steensel, B.] Netherlands Canc Inst, Div Gene Regulat, Amsterdam, Netherlands. [LaRocque, J. R.] Georgetown Univ, Med Ctr, Dept Human Sci, Washington, DC 20007 USA. NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER SOC CELL BIOLOGY PI BETHESDA PA 8120 WOODMONT AVE, STE 750, BETHESDA, MD 20814-2755 USA SN 1059-1524 EI 1939-4586 J9 MOL BIOL CELL JI Mol. Biol. Cell PY 2016 VL 27 MA P2001 PG 1 WC Cell Biology SC Cell Biology GA EN5LO UT WOS:000396047200303 ER PT J AU Kang, PH Kang, M Schaffer, D Kumar, S AF Kang, P. H. Kang, M. Schaffer, D. Kumar, S. TI Investigating the role of angiomotin in directing mechanosensitive neural stem cell differentiation. SO MOLECULAR BIOLOGY OF THE CELL LA English DT Meeting Abstract CT Annual Meeting of the American-Society-for-Cell-Biology (ASCB) CY DEC 03-07, 2016 CL San Francisco, CA SP Amer Soc Cell Biol C1 [Kang, P. H.; Kang, M.; Schaffer, D.; Kumar, S.] Univ Calif Berkeley, Bioengn, Berkeley, CA 94720 USA. [Schaffer, D.; Kumar, S.] Univ Calif Berkeley, Chem & Biomol Engn, Berkeley, CA 94720 USA. [Schaffer, D.] Univ Calif Berkeley, Helen Wills Neurosci Inst, Berkeley, CA 94720 USA. [Kumar, S.] Lawrence Berkeley Natl Lab, Phys Biosci, Berkeley, CA USA. NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER SOC CELL BIOLOGY PI BETHESDA PA 8120 WOODMONT AVE, STE 750, BETHESDA, MD 20814-2755 USA SN 1059-1524 EI 1939-4586 J9 MOL BIOL CELL JI Mol. Biol. Cell PY 2016 VL 27 MA P571 PG 1 WC Cell Biology SC Cell Biology GA EN5LM UT WOS:000396046900570 ER PT J AU Liu, Y Perez-Salas, U Rasenick, MM Veatch, SL AF Liu, Y. Perez-Salas, U. Rasenick, M. M. Veatch, S. L. TI Antidepressant action in neural plasma membranes SO MOLECULAR BIOLOGY OF THE CELL LA English DT Meeting Abstract CT Annual Meeting of the American-Society-for-Cell-Biology (ASCB) CY DEC 03-07, 2016 CL San Francisco, CA SP Amer Soc Cell Biol C1 [Liu, Y.; Perez-Salas, U.] Univ Illinois, Dept Phys, Chicago, IL 60680 USA. [Perez-Salas, U.] Argonne Natl Lab, 9700 S Cass Ave, Argonne, IL 60439 USA. [Rasenick, M. M.] Univ Illinois, Dept Physiol & Biophys, Chicago, IL 60680 USA. [Veatch, S. L.] Univ Michigan, Dept Biophys, Ann Arbor, MI 48109 USA. NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER SOC CELL BIOLOGY PI BETHESDA PA 8120 WOODMONT AVE, STE 750, BETHESDA, MD 20814-2755 USA SN 1059-1524 EI 1939-4586 J9 MOL BIOL CELL JI Mol. Biol. Cell PY 2016 VL 27 MA P545 PG 2 WC Cell Biology SC Cell Biology GA EN5LM UT WOS:000396046900544 ER PT J AU Miyano, M Stoiber, M Sayaman, R Lin, C Stampfer, M Brown, JB LaBarge, MA AF Miyano, M. Stoiber, M. Sayaman, R. Lin, C. Stampfer, M. Brown, J. B. LaBarge, M. A. TI Age-dependent microenvironmental cues regulate epithelial lineage fidelity in human breast SO MOLECULAR BIOLOGY OF THE CELL LA English DT Meeting Abstract CT Annual Meeting of the American-Society-for-Cell-Biology (ASCB) CY DEC 03-07, 2016 CL San Francisco, CA SP Amer Soc Cell Biol C1 [Miyano, M.; LaBarge, M. A.] City Hope Natl Med Ctr, Populat Sci, Duarte, CA USA. [Miyano, M.; Stoiber, M.; Sayaman, R.; Lin, C.; Stampfer, M.; Brown, J. B.; LaBarge, M. A.] Lawrence Berkeley Natl Lab, Biol Syst & Engn, Berkeley, CA USA. NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER SOC CELL BIOLOGY PI BETHESDA PA 8120 WOODMONT AVE, STE 750, BETHESDA, MD 20814-2755 USA SN 1059-1524 EI 1939-4586 J9 MOL BIOL CELL JI Mol. Biol. Cell PY 2016 VL 27 MA P2300 PG 2 WC Cell Biology SC Cell Biology GA EN5LO UT WOS:000396047200600 ER PT J AU Srivastava, V Garbe, J Hu, JL LaBarge, MA Gartner, ZJ AF Srivastava, V. Garbe, J. Hu, J. L. LaBarge, M. A. Gartner, Z. J. TI Leveraging interfacial mechanics for preventing breast cancer progression through tissue architecture stabilization. SO MOLECULAR BIOLOGY OF THE CELL LA English DT Meeting Abstract CT Annual Meeting of the American-Society-for-Cell-Biology (ASCB) CY DEC 03-07, 2016 CL San Francisco, CA SP Amer Soc Cell Biol C1 [Srivastava, V.; Garbe, J.; Hu, J. L.; Gartner, Z. J.] Univ Calif San Francisco, Pharmaceut Chem, San Francisco, CA 94143 USA. [Garbe, J.; LaBarge, M. A.] Lawrence Berkeley Natl Lab, Life Sci Div, Berkeley, CA USA. [LaBarge, M. A.] City Hope Natl Med Ctr, Beckman Res Inst, Duarte, CA USA. NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER SOC CELL BIOLOGY PI BETHESDA PA 8120 WOODMONT AVE, STE 750, BETHESDA, MD 20814-2755 USA SN 1059-1524 EI 1939-4586 J9 MOL BIOL CELL JI Mol. Biol. Cell PY 2016 VL 27 MA P2229 PG 2 WC Cell Biology SC Cell Biology GA EN5LO UT WOS:000396047200529 ER PT J AU Sterling, SM Booth, EA Dovala, D Nogales, E Thorner, JW AF Sterling, S. M. Booth, E. A. Dovala, D. Nogales, E. Thorner, J. W. TI Septin-binding protein Bni5 reorganizes yeast septin filament structure SO MOLECULAR BIOLOGY OF THE CELL LA English DT Meeting Abstract CT Annual Meeting of the American-Society-for-Cell-Biology (ASCB) CY DEC 03-07, 2016 CL San Francisco, CA SP Amer Soc Cell Biol C1 [Sterling, S. M.; Booth, E. A.; Nogales, E.; Thorner, J. W.] Univ Calif Berkeley, Dept Mol & Cellular Biol, Div Biochem Biophys & Struct Biol, Berkeley, CA 94720 USA. [Dovala, D.] Univ Calif San Francisco, Program Microbial Pathogenesis & Host Def, Dept Microbiol & Immunol, San Francisco, CA 94143 USA. [Nogales, E.] Lawrence Berkeley Natl Lab, Life Sci Div, Berkeley, CA USA. [Nogales, E.] Howard Hughes Med Inst, Chevy Chase, MD USA. NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER SOC CELL BIOLOGY PI BETHESDA PA 8120 WOODMONT AVE, STE 750, BETHESDA, MD 20814-2755 USA SN 1059-1524 EI 1939-4586 J9 MOL BIOL CELL JI Mol. Biol. Cell PY 2016 VL 27 MA P1844 PG 2 WC Cell Biology SC Cell Biology GA EN5LO UT WOS:000396047200146 ER PT J AU Stjepanovic, G Lin, MG Baskaran, S Carlson, L Hurley, JH AF Stjepanovic, G. Lin, M. G. Baskaran, S. Carlson, L. Hurley, J. H. TI Role of the human Vps15 kinase in PI3K complex I mediated autophagy regulation SO MOLECULAR BIOLOGY OF THE CELL LA English DT Meeting Abstract CT Annual Meeting of the American-Society-for-Cell-Biology (ASCB) CY DEC 03-07, 2016 CL San Francisco, CA SP Amer Soc Cell Biol C1 [Stjepanovic, G.; Lin, M. G.; Baskaran, S.; Carlson, L.; Hurley, J. H.] Univ Calif Berkeley, MCB, Berkeley, CA USA. [Stjepanovic, G.; Hurley, J. H.] LBNL, Berkeley, CA USA. NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER SOC CELL BIOLOGY PI BETHESDA PA 8120 WOODMONT AVE, STE 750, BETHESDA, MD 20814-2755 USA SN 1059-1524 EI 1939-4586 J9 MOL BIOL CELL JI Mol. Biol. Cell PY 2016 VL 27 MA P2316 PG 1 WC Cell Biology SC Cell Biology GA EN5LO UT WOS:000396047200616 ER PT J AU Swenson, JM Colmenares, SU Strom, AR Costes, SV Karpen, GH AF Swenson, J. M. Colmenares, S. U. Strom, A. R. Costes, S. V. Karpen, G. H. TI The composition and organization of Drosophila heterochromatin are heterogeneous and dynamic SO MOLECULAR BIOLOGY OF THE CELL LA English DT Meeting Abstract CT Annual Meeting of the American-Society-for-Cell-Biology (ASCB) CY DEC 03-07, 2016 CL San Francisco, CA SP Amer Soc Cell Biol C1 [Swenson, J. M.; Colmenares, S. U.; Strom, A. R.; Costes, S. V.; Karpen, G. H.] Lawrence Berkeley Natl Lab, Organismal Syst Bioresilience, Berkeley, CA USA. [Strom, A. R.; Karpen, G. H.] Univ Calif Berkeley, Mol & Cell Biol, Berkeley, CA 94720 USA. NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER SOC CELL BIOLOGY PI BETHESDA PA 8120 WOODMONT AVE, STE 750, BETHESDA, MD 20814-2755 USA SN 1059-1524 EI 1939-4586 J9 MOL BIOL CELL JI Mol. Biol. Cell PY 2016 VL 27 MA P1987 PG 1 WC Cell Biology SC Cell Biology GA EN5LO UT WOS:000396047200289 ER PT J AU Zimmermann, M Wang, S Lin, T Zhang, H Malfatti, M Cimino, G Keck, J White, RD Turteltaub, K Pan, C Henderson, PT AF Zimmermann, M. Wang, S. Lin, T. Zhang, H. Malfatti, M. Cimino, G. Keck, J. White, R. deVere Turteltaub, K. Pan, C. Henderson, P. T. TI Microdose-induced drug-DNA adducts as biomarkers of chemotherapy resistance in bladder cancer. SO MOLECULAR BIOLOGY OF THE CELL LA English DT Meeting Abstract CT Annual Meeting of the American-Society-for-Cell-Biology (ASCB) CY DEC 03-07, 2016 CL San Francisco, CA SP Amer Soc Cell Biol C1 [Zimmermann, M.; Wang, S.; Lin, T.; Zhang, H.; Pan, C.; Henderson, P. T.] Univ Calif Davis, Dept Internal Med, Div Hematol & Oncol, Sacramento, CA 95817 USA. [Zimmermann, M.; Cimino, G.; Pan, C.; Henderson, P. T.] Accelerated Med Diagnost Inc, Berkeley, CA USA. [Malfatti, M.; Turteltaub, K.] Lawrence Livermore Natl Lab, Biosci & Biotechnol Div, Phys & Life Sci Directorate, Livermore, CA USA. [Keck, J.] Jackson Lab, 600 Main St, Bar Harbor, ME 04609 USA. [White, R. deVere] Univ Calif Davis, Dept Urol, Sacramento, CA 95817 USA. [Pan, C.] VA Northern Calif Healthcare Syst, Mather, CA USA. NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER SOC CELL BIOLOGY PI BETHESDA PA 8120 WOODMONT AVE, STE 750, BETHESDA, MD 20814-2755 USA SN 1059-1524 EI 1939-4586 J9 MOL BIOL CELL JI Mol. Biol. Cell PY 2016 VL 27 MA P277 PG 2 WC Cell Biology SC Cell Biology GA EN5LM UT WOS:000396046900276 ER PT S AU Sonawane, D Pathak, M Subramanian, VR AF Sonawane, Dayaram Pathak, Manan Subramanian, Venkat R. GP IEEE TI Convergence Rates for Direct Transcription of Optimal Control Problems Using Second Derivative Methods SO 2016 AMERICAN CONTROL CONFERENCE (ACC) SE Proceedings of the American Control Conference LA English DT Proceedings Paper CT American Control Conference (ACC) CY JUL 06-08, 2016 CL Boston, MA SP Amer Automat Control Council ID DISCRETE APPROXIMATIONS; DIFFERENTIAL-EQUATIONS; NUMERICAL-SOLUTION AB In this paper, Second Derivative Method (SDM) of numerical discretization is applied to optimal control problems. Convergence rates for the error between the discretized solution of SDM and the corresponding analytical solution of optimal control problems are analyzed. Illustrative examples are included to demonstrate the applicability and benefits of SDM. The comparison of the convergence rates of SDM with implicit Runge-Kutta methods (third order, 2-stage RadauIIA and fourth order, 3-stage LobattoIIIA) is also presented. Using SDM, for optimal control problems with non-stiff type of state equations, the fourth order convergence for states and second order convergence for controls is observed, while for certain stiff/oscillatory equations, it results in reduced order of convergence as observed in other approaches. Depending on the choice of optimization algorithms/platforms used, the proposed method is found to be comparable to other approaches and for certain cases, more efficient. C1 [Sonawane, Dayaram; Pathak, Manan; Subramanian, Venkat R.] Univ Washington, Dept Chem Engn, Seattle, WA 98195 USA. [Subramanian, Venkat R.] PNNL, Richland, WA 99352 USA. RP Subramanian, VR (reprint author), Univ Washington, Dept Chem Engn, Seattle, WA 98195 USA.; Subramanian, VR (reprint author), PNNL, Richland, WA 99352 USA. EM sonawanedn@gmail.com; mananp@uw.edu; vsubram@uw.edu FU Washington Research Foundation; United States Government; Advanced Research Projects Agency - Energy (ARPA-E), U.S. Department of Energy [DE-AR0000275] FX The authors are thankful for the financial support from the United States Government, Advanced Research Projects Agency - Energy (ARPA-E), U.S. Department of Energy, under award number DE-AR0000275 and Washington Research Foundation. NR 23 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 0743-1619 BN 978-1-4673-8682-1 J9 P AMER CONTR CONF PY 2016 BP 215 EP 220 PG 6 WC Automation & Control Systems SC Automation & Control Systems GA BG3XW UT WOS:000388376100037 ER PT S AU Annoni, J Gebraad, P Seiler, P AF Annoni, Jennifer Gebraad, Pieter Seiler, Peter GP IEEE TI Wind Farm Flow Modeling Using an Input-Output Reduced-Order Model SO 2016 AMERICAN CONTROL CONFERENCE (ACC) SE Proceedings of the American Control Conference LA English DT Proceedings Paper CT American Control Conference (ACC) CY JUL 06-08, 2016 CL Boston, MA SP Amer Automat Control Council ID PROPER ORTHOGONAL DECOMPOSITION; REDUCTION; TURBINES; SYSTEMS AB Wind turbines in a wind farm operate individually to maximize their own power regardless of the impact of aerodynamic interactions on neighboring turbines. There is the potential to increase power and reduce overall structural loads by properly coordinating turbines. To perform control design and analysis, a model needs to be of low computational cost, but retains the necessary dynamics seen in high-fidelity models. The objective of this work is to obtain a reduced-order model that represents the full-order flow computed using a high-fidelity model. A variety of methods, including proper orthogonal decomposition and dynamic mode decomposition, can be used to extract the dominant flow structures and obtain a reduced-order model. In this paper, we combine proper orthogonal decomposition with a system identification technique to produce an input-output reduced-order model. This technique is used to construct a reduced-order model of the flow within a two-turbine array computed using a large-eddy simulation. C1 [Annoni, Jennifer; Seiler, Peter] Univ Minnesota, Dept Aerosp Engn & Mech, Minneapolis, MN 55455 USA. [Gebraad, Pieter] Natl Renewable Energy Lab, Golden, CO USA. RP Annoni, J (reprint author), Univ Minnesota, Dept Aerosp Engn & Mech, Minneapolis, MN 55455 USA. EM anno0010@aem.umn.edu; pieter.gebraad@nrel.gov; seiler@aem.umn.edu FU National Science Foundation [NSF-CMMI-1254129]; University of Minnesota through the Doctoral Dissertation Fellowship; U.S. Department of Energy [DE-AC36-08GO28308]; National Renewable Energy Laboratory; DOE Office of Energy Efficiency and Renewable Energy, Wind and Water Power Technologies Office FX This work was supported by the National Science Foundation under Grant No. NSF-CMMI-1254129 entitled CAREER: Probabilistic Tools for High Reliability Monitoring and Control of Wind Farms.; The first author gratefully acknowledges the financial support from University of Minnesota through the 2015-16 Doctoral Dissertation Fellowship.; Lastly, this work was supported by the U.S. Department of Energy under Contract No. DE-AC36-08GO28308 with the National Renewable Energy Laboratory. Funding for the work was provided by the DOE Office of Energy Efficiency and Renewable Energy, Wind and Water Power Technologies Office. The authors are solely responsible for any omission or errors contained herein. NR 28 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 0743-1619 BN 978-1-4673-8682-1 J9 P AMER CONTR CONF PY 2016 BP 506 EP 512 PG 7 WC Automation & Control Systems SC Automation & Control Systems GA BG3XW UT WOS:000388376100083 ER PT S AU Scholbrock, A Fleming, P Schlipf, D Wright, A Johnson, K Wang, N AF Scholbrock, Andrew Fleming, Paul Schlipf, David Wright, Alan Johnson, Kathryn Wang, Na GP IEEE TI Lidar-Enhanced Wind Turbine Control: Past, Present, and Future SO 2016 AMERICAN CONTROL CONFERENCE (ACC) SE Proceedings of the American Control Conference LA English DT Proceedings Paper CT American Control Conference (ACC) CY JUL 06-08, 2016 CL Boston, MA SP Amer Automat Control Council ID DESIGN; MODEL AB The main challenges in harvesting energy from the wind arise from the unknown incoming turbulent wind field. Balancing the competing interests of reduction in structural loads and increasing energy production is the goal of a wind turbine controller to reduce the cost of producing wind energy. Conventional wind turbines use feedback methods to optimize these goals, reacting to wind disturbances after they have already impacted the wind turbine. Lidar sensors offer a means to provide additional inputs to a wind turbine controller, enabling new techniques to improve control methods, allowing a controller to actuate a wind turbine in anticipation of an incoming wind disturbance. This paper will look at the development of lidar-enhanced controls and how they have been used for various turbine load reductions with pitch actuation, as well as increased energy production with improved yaw control. Ongoing work will also be discussed to show that combining pitch and torque control using feedforward nonlinear model predictive control can lead to both reduced loads and increased energy production. Future work is also proposed on extending individual wind turbine controls to the wind plant level and determining how lidars can be used for control methods to further lower the cost of wind energy by minimizing wake impacts in a wind farm. C1 [Scholbrock, Andrew; Fleming, Paul; Wright, Alan; Johnson, Kathryn; Wang, Na] Natl Renewable Energy Lab, 15013 Denver West Pkwy, Golden, CO 80401 USA. [Schlipf, David] Univ Stuttgart, Stuttgart Wind Energy, Allmandring 5B, D-70569 Stuttgart, Germany. [Johnson, Kathryn] Colorado Sch Mines, 1500 Illinois St, Golden, CO 80401 USA. RP Scholbrock, A (reprint author), Natl Renewable Energy Lab, 15013 Denver West Pkwy, Golden, CO 80401 USA. EM andrew.scholbrock@nrel.gov OI Fleming, Paul/0000-0001-8249-2544 FU U.S. Department of Energy [DE-AC36-08GO28308]; National Renewable Energy Laboratory; DOE Office of Energy Efficiency and Renewable Energy, Wind and Water Power Technologies Office FX This work was supported by the U.S. Department of Energy under Contract No. DE-AC36-08GO28308 with the National Renewable Energy Laboratory. Funding for the work was provided by the DOE Office of Energy Efficiency and Renewable Energy, Wind and Water Power Technologies Office. NR 45 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 0743-1619 BN 978-1-4673-8682-1 J9 P AMER CONTR CONF PY 2016 BP 1399 EP 1406 PG 8 WC Automation & Control Systems SC Automation & Control Systems GA BG3XW UT WOS:000388376101073 ER PT S AU Fleming, P Aho, J Gebraad, P Pao, L Zhang, YC AF Fleming, Paul Aho, Jake Gebraad, Pieter Pao, Lucy Zhang, Yingchen GP IEEE TI Computational Fluid Dynamics Simulation Study of Active Power Control in Wind Plants SO 2016 AMERICAN CONTROL CONFERENCE (ACC) SE Proceedings of the American Control Conference LA English DT Proceedings Paper CT American Control Conference (ACC) CY JUL 06-08, 2016 CL Boston, MA SP Amer Automat Control Council AB This paper presents an analysis performed on a wind plant's ability to provide active power control services using a high-fidelity computational fluid dynamics-based wind plant simulator. This approach allows examination of the impact on wind turbine wake interactions within a wind plant on performance of the wind plant controller. The paper investigates several control methods for improving performance in waked conditions. One method uses wind plant wake controls, an active field of research in which wind turbine control systems are coordinated to account for their wakes, to improve the overall performance. Results demonstrate the challenge of providing active power control in waked conditions but also the potential methods for improving this performance. C1 [Fleming, Paul; Gebraad, Pieter; Zhang, Yingchen] Natl Renewable Energy Lab, Golden, CO 80401 USA. [Aho, Jake; Pao, Lucy] Univ Colorado, Elect Comp & Energy Engn Dept, Boulder, CO 80309 USA. RP Fleming, P (reprint author), Natl Renewable Energy Lab, Golden, CO 80401 USA. EM paul.fleming@nrel.gov; pao@colorado.EDU OI Fleming, Paul/0000-0001-8249-2544 FU U.S. Department of Energy [DE-AC36-08GO28308]; National Renewable Energy Laboratory; U.S. DOE Office of Energy Efficiency and Renewable Energy FX This work was supported by the U.S. Department of Energy under Contract No. DE-AC36-08GO28308 with the National Renewable Energy Laboratory. Funding provided by the U.S. DOE Office of Energy Efficiency and Renewable Energy for the National Wind Technology Center. NR 22 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 0743-1619 BN 978-1-4673-8682-1 J9 P AMER CONTR CONF PY 2016 BP 1413 EP 1420 PG 8 WC Automation & Control Systems SC Automation & Control Systems GA BG3XW UT WOS:000388376101075 ER PT S AU Goyal, S Wang, WM Brambley, MR AF Goyal, Siddharth Wang, Weimin Brambley, Michael R. GP IEEE TI An Agent-based Test Bed for Building Controls SO 2016 AMERICAN CONTROL CONFERENCE (ACC) SE Proceedings of the American Control Conference LA English DT Proceedings Paper CT American Control Conference (ACC) CY JUL 06-08, 2016 CL Boston, MA SP Amer Automat Control Council ID MODEL-PREDICTIVE CONTROL AB This paper presents the design, deployment, and initial testing of an agent-based test bed to support a wide range of experiments and demonstrations of advanced control of building systems for energy efficiency, occupant comfort, and reliable interaction with the electric power grid. The test bed possesses the following major characteristics: 1) it supports interactions among heterogeneous components and systems; 2) it can be easily reconfigured to test, validate, and demonstrate different control methodologies ranging from fully centralized to completely distributed control architectures; 3) it provides an option to choose the communication protocols/mediums and the location of agents for managing the distribution of computation resources; and 4) it is an integrated part of a larger test bed that includes distributed renewable generation, energy storage, power systems, and peer buildings. Some of these features are demonstrated using two experiments on a real building HVAC (heating, ventilation, and air-conditioning) system, which is a part of the test bed. Both experiments focus on control for buildings-grid integration applications. In the first experiment, several distributed control agents coordinate with one another to limit the fan power consumption of an air-handling unit (AHU). In the second experiment, a centralized controller tracks the total AHU fan power to a predefined profile. C1 [Goyal, Siddharth; Wang, Weimin; Brambley, Michael R.] Pacific Northwest Natl Lab, Adv Controls Team, Richland, WA 99352 USA. RP Goyal, S (reprint author), Pacific Northwest Natl Lab, Adv Controls Team, Richland, WA 99352 USA. FU Control of Complex Systems Initiative; Laboratory Directed Research and Development Initiative at PNNL FX This work was supported by the Control of Complex Systems Initiative, a Laboratory Directed Research and Development Initiative at PNNL. The authors would like to acknowledge 1) the VOLTTRON team for their help on VOLTTRON and other software related issues, and 2) Daniel James for physical installation of multiple architecture configurations at the BDL. NR 18 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 0743-1619 BN 978-1-4673-8682-1 J9 P AMER CONTR CONF PY 2016 BP 1464 EP 1471 PG 8 WC Automation & Control Systems SC Automation & Control Systems GA BG3XW UT WOS:000388376101083 ER PT S AU Patil, C Naghshtabrizi, P Verma, R Tang, ZJ Smith, K Shi, Y AF Patil, Chinmaya Naghshtabrizi, Payam Verma, Rajeev Tang, Zhijun Smith, Kandler Shi, Ying GP IEEE TI Optimal Battery Utilization Over Lifetime For Parallel Hybrid Electric Vehicle to Maximize Fuel Economy SO 2016 AMERICAN CONTROL CONFERENCE (ACC) SE Proceedings of the American Control Conference LA English DT Proceedings Paper CT American Control Conference (ACC) CY JUL 06-08, 2016 CL Boston, MA SP Amer Automat Control Council ID ENERGY MANAGEMENT AB This paper presents a control strategy to maximize fuel economy of a parallel hybrid electric vehicle over a target life of the battery. Many approaches to maximizing fuel economy of parallel hybrid electric vehicle do not consider the effect of control strategy on the life of the battery. This leads to an oversized and underutilized battery. There is a trade-off between how aggressively to use and ` consume' the battery versus to use the engine and consume fuel. The proposed approach addresses this trade-off by exploiting the differences in the fast dynamics of vehicle power management and slow dynamics of battery aging. The control strategy is separated into two parts, (1) Predictive Battery Management (PBM), and (2) Predictive Power Management (PPM). PBM is the higher level control with slow update rate, e. g. once per month, responsible for generating optimal set points for PPM. The considered set points in this paper are the battery power limits and State Of Charge (SOC). The problem of finding the optimal set points over the target battery life that minimize engine fuel consumption is solved using dynamic programming. PPM is the lower level control with high update rate, e. g. a second, responsible for generating the optimal HEV energy management controls and is implemented using model predictive control approach. The PPM objective is to find the engine and battery power commands to achieve the best fuel economy given the battery power and SOC constraints imposed by PBM. Simulation results with a medium duty commercial hybrid electric vehicle and the proposed two-level hierarchical control strategy show that the HEV fuel economy is maximized while meeting a specified target battery life. On the other hand, the optimal unconstrained control strategy achieves marginally higher fuel economy, but fails to meet the target battery life. C1 [Patil, Chinmaya; Naghshtabrizi, Payam; Verma, Rajeev; Tang, Zhijun] Eaton Corp Res & Technol, Southfield, MI 48076 USA. [Smith, Kandler; Shi, Ying] Natl Renewable Energy Lab, Golden, CO 80401 USA. RP Patil, C (reprint author), Eaton Corp Res & Technol, Southfield, MI 48076 USA. EM chinmayapatil@eaton.com FU Advanced Research Projects Agency-Energy (ARPA-E), U.S. Department of Energy [DE-AR0000279] FX The work presented herein was funded in part by the Advanced Research Projects Agency-Energy (ARPA-E), U.S. Department of Energy, under Award Number DE-AR0000279. NR 14 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 0743-1619 BN 978-1-4673-8682-1 J9 P AMER CONTR CONF PY 2016 BP 1524 EP 1529 PG 6 WC Automation & Control Systems SC Automation & Control Systems GA BG3XW UT WOS:000388376101092 ER PT S AU Mehta, D Molzahn, DK Turitsyn, K AF Mehta, Dhagash Molzahn, Daniel K. Turitsyn, Konstantin GP IEEE TI Recent Advances in Computational Methods for the Power Flow Equations SO 2016 AMERICAN CONTROL CONFERENCE (ACC) SE Proceedings of the American Control Conference LA English DT Proceedings Paper CT American Control Conference (ACC) CY JUL 06-08, 2016 CL Boston, MA SP Amer Automat Control Council ID LOW-VOLTAGE SOLUTIONS; LOAD-FLOW; OPF PROBLEM; SYSTEMS; RELAXATIONS; STABILITY; OPTIMIZATION; ALGORITHM; SPARSITY AB The power flow equations are at the core of most of the computations for designing and operating electric grids. This system of multivariate nonlinear equations relate the power injections and voltages in an electric power system. A plethora of methods have been devised to solve these equations, from Newton-based methods to homotopy continuation and other optimization-based methods. Although many of these methods often efficiently find a high-voltage, stable solution, challenges remain for finding low-voltage solutions, which play significant roles in certain stability-related computations. While we do not claim to have exhausted the existing literature on all related methods, this tutorial paper introduces some of the recent advances in power flow solution methods to the wider power systems community as well as bringing attention from the computational mathematics and optimization communities to power systems problems. After briefly reviewing some of the traditional computational methods used to solve the power flow equations, we focus on three emerging methods: the numerical polynomial homotopy continuation method, Grobner basis techniques, and moment/sum-of-squares relaxations using semidefinite programming. In passing, we also emphasize the importance of an upper bound on the number of solutions of the power flow equations and review the current status of research in this direction. C1 [Mehta, Dhagash] Univ Notre Dame, Dept Appl & Computat Math & Stat, Notre Dame, IN 46556 USA. [Mehta, Dhagash] Univ Adelaide, Sch Phys Sci, Dept Phys, Ctr Subat Struct Matter, Adelaide, SA 5005, Australia. [Molzahn, Daniel K.] Argonne Natl Lab, Div Energy Syst, Argonne, IL 60439 USA. [Turitsyn, Konstantin] MIT, Dept Mech Engn, Cambridge, MA 02139 USA. RP Mehta, D (reprint author), Univ Notre Dame, Dept Appl & Computat Math & Stat, Notre Dame, IN 46556 USA.; Mehta, D (reprint author), Univ Adelaide, Sch Phys Sci, Dept Phys, Ctr Subat Struct Matter, Adelaide, SA 5005, Australia. EM dmehta@nd.edu; dmolzahn@anl.gov; turitsyn@mit.edu FU NSF-ECCS [1509036]; Australian Research Council DECRA fellowship [DE140100867] FX Support from NSF-ECCS award ID 1509036 and an Australian Research Council DECRA fellowship no. DE140100867. NR 90 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 0743-1619 BN 978-1-4673-8682-1 J9 P AMER CONTR CONF PY 2016 BP 1753 EP 1765 PG 13 WC Automation & Control Systems SC Automation & Control Systems GA BG3XW UT WOS:000388376101130 ER PT S AU Molzahn, DK AF Molzahn, Daniel K. GP IEEE TI Introduction to the Power Flow Equations and Moment/Sum-of-Squares Relaxations of Optimal Power Flow Problems SO 2016 AMERICAN CONTROL CONFERENCE (ACC) SE Proceedings of the American Control Conference LA English DT Proceedings Paper CT American Control Conference (ACC) CY JUL 06-08, 2016 CL Boston, MA SP Amer Automat Control Council C1 [Molzahn, Daniel K.] Argonne Natl Lab, Argonne, IL 60439 USA. RP Molzahn, DK (reprint author), Argonne Natl Lab, Argonne, IL 60439 USA. NR 0 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 0743-1619 BN 978-1-4673-8682-1 J9 P AMER CONTR CONF PY 2016 BP 1766 EP 1766 PG 1 WC Automation & Control Systems SC Automation & Control Systems GA BG3XW UT WOS:000388376101131 ER PT S AU Dall'Anese, E AF Dall'Anese, Emiliano GP IEEE TI Optimal Power Flow Pursuit SO 2016 AMERICAN CONTROL CONFERENCE (ACC) SE Proceedings of the American Control Conference LA English DT Proceedings Paper CT American Control Conference (ACC) CY JUL 06-08, 2016 CL Boston, MA SP Amer Automat Control Council C1 [Dall'Anese, Emiliano] Natl Renewable Energy Lab, Golden, CO 80401 USA. RP Dall'Anese, E (reprint author), Natl Renewable Energy Lab, Golden, CO 80401 USA. EM emiliano.dallanese@nrel.gov FU Laboratory Directed Research and Development Program at National Renewable Energy Laboratory FX The work of E. Dall'Anese was supported in part by the Laboratory Directed Research and Development Program at the National Renewable Energy Laboratory. NR 0 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 0743-1619 BN 978-1-4673-8682-1 J9 P AMER CONTR CONF PY 2016 BP 1767 EP 1767 PG 1 WC Automation & Control Systems SC Automation & Control Systems GA BG3XW UT WOS:000388376101132 ER PT S AU Wang, N Wright, AD Johnson, KE AF Wang, Na Wright, Alan D. Johnson, Kathryn E. GP IEEE TI Independent Blade Pitch Controller Design for a Three-Bladed Turbine Using Disturbance Accommodating Control SO 2016 AMERICAN CONTROL CONFERENCE (ACC) SE Proceedings of the American Control Conference LA English DT Proceedings Paper CT American Control Conference (ACC) CY JUL 06-08, 2016 CL Boston, MA SP Amer Automat Control Council AB Two independent pitch controllers (IPCs) based on the disturbance accommodating control (DAC) algorithm are designed for the three-bladed Controls Advanced Research Turbine to regulate rotor speed and to mitigate blade root flapwise bending loads in above-rated wind speed. One of the DAC-based IPCs is designed based on a transformed symmetrical-asymmet rical (TSA) turbine model, with wind disturbances being modeled as a collective horizontal component and an asymmetrical linear shear compone nt. Another DAC-based IPC is designed based on a multiblade coordinate (MBC) transformed turbine model, with a horizontal component and a vertical shear component being modeled as step waveform disturbance. Both of the DAC-based IPCs are found via a regulation equation solved by Kronecker product. Actuator dynamics are considered in the design processes to compensate for actuator phase delay. The simulation study shows the effectiveness of the proposed DAC-based IPCs compared to a proportional-integral (PI) collective pitch controller (CPC). Improvement on rotor speed regulation and once-per-revolution and twice-per-revolution load reductions has been observed in the proposed IPC designs. C1 [Wang, Na; Wright, Alan D.; Johnson, Kathryn E.] Natl Renewable Energy Lab, Golden, CO 80401 USA. [Johnson, Kathryn E.] Colorado Sch Mines, Dept Elect Engn & Comp Sci, Golden, CO 80401 USA. RP Wang, N (reprint author), Natl Renewable Energy Lab, Golden, CO 80401 USA. EM na.wang@nrel.gov; alan.wright@nrel.gov; kjohnson@mines.edu FU U.S. Department of Energy [DE-AC36-08GO28308]; National Renewable Energy Laboratory; DOE Office of Energy Efficiency and Renewable Energy, Wind and Water Power Technologies Office FX This work was supported by the U.S. Department of Energy under Contract No. DE-AC36-08GO28308 with the National Renewable Energy Laboratory. Funding for the work was provided by the DOE Office of Energy Efficiency and Renewable Energy, Wind and Water Power Technologies Office. NR 26 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 0743-1619 BN 978-1-4673-8682-1 J9 P AMER CONTR CONF PY 2016 BP 2301 EP 2306 PG 6 WC Automation & Control Systems SC Automation & Control Systems GA BG3XW UT WOS:000388376102059 ER PT S AU Chen, J Garcia, HE AF Chen, Jun Garcia, Humberto E. GP IEEE TI Operations Optimization of Hybrid Energy Systems under Variable Markets SO 2016 AMERICAN CONTROL CONFERENCE (ACC) SE Proceedings of the American Control Conference LA English DT Proceedings Paper CT American Control Conference (ACC) CY JUL 06-08, 2016 CL Boston, MA SP Amer Automat Control Council DE Hybrid energy systems; renewable; operations optimization AB Hybrid energy systems (HES) have been proposed to be an important element to enable increasing penetration of clean energy. This paper investigates the operations flexibility of HES, and develops a methodology for operations optimization to maximize its economic value based on predicted renewable generation and market information. The proposed operations optimizer allows systematic control of energy conversion for maximal economic value, and is illustrated by numerical results. C1 [Chen, Jun; Garcia, Humberto E.] Idaho Natl Lab, Idaho Falls, ID 83415 USA. RP Chen, J (reprint author), Idaho Natl Lab, Idaho Falls, ID 83415 USA. EM jun.chen@inl.gov; humberto.garcia@inl.gov FU Energy Security Initiative (ESI); Nuclear-Renewable Energy Systems Program at Idaho National Laboratory (INL) under the U.S. Department of Energy [DE-AC-07-05ID14517] FX This research is supported by the Energy Security Initiative (ESI) and the Nuclear-Renewable Energy Systems Program at Idaho National Laboratory (INL) under the U.S. Department of Energy contract DE-AC-07-05ID14517. NR 29 TC 1 Z9 1 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 0743-1619 BN 978-1-4673-8682-1 J9 P AMER CONTR CONF PY 2016 BP 3212 EP 3218 PG 7 WC Automation & Control Systems SC Automation & Control Systems GA BG3XW UT WOS:000388376103047 ER PT S AU Li, S Zhang, W Lian, JM Kalsi, K AF Li, Sen Zhang, Wei Lian, Jianming Kalsi, Karanjit GP IEEE TI On Reverse Stackelberg Game and Optimal Mean Field Control for a Large Population of Thermostatically Controlled Loads SO 2016 AMERICAN CONTROL CONFERENCE (ACC) SE Proceedings of the American Control Conference LA English DT Proceedings Paper CT American Control Conference (ACC) CY JUL 06-08, 2016 CL Boston, MA SP Amer Automat Control Council ID STRATEGIES; EQUILIBRIA AB This paper studies a multi-stage pricing problem for a large population of thermostatically controlled loads. The problem is formulated as a reverse Stackelberg game that involves a mean field game in the hierarchy of decision making. In particular, in the higher level, a coordinator needs to design a pricing function to motivate individual agents to maximize the social welfare. In the lower level, the individual utility maximization problem of each agent forms a mean field game coupled through the pricing function that depends on the average of the population control/state. We derive the solution to the reverse Stackelberg game by connecting it to a team problem and the competitive equilibrium, and we show that this solution corresponds to the optimal mean field control that maximizes the social welfare. Realistic simulations are presented to validate the proposed methods. C1 [Li, Sen; Zhang, Wei] Ohio State Univ, Dept Elect & Comp Engn, Columbus, OH 43210 USA. [Lian, Jianming; Kalsi, Karanjit] Pacific Northwest Natl Lab, Elect Infrastruct Grp, Richland, WA 99354 USA. RP Li, S (reprint author), Ohio State Univ, Dept Elect & Comp Engn, Columbus, OH 43210 USA. EM li.2886@osu.edu; zhang.491@osu.edu; jianming.lian@pnnl.gov; karanjit.Kalsi@pnnl.gov NR 17 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 0743-1619 BN 978-1-4673-8682-1 J9 P AMER CONTR CONF PY 2016 BP 3545 EP 3550 PG 6 WC Automation & Control Systems SC Automation & Control Systems GA BG3XW UT WOS:000388376103098 ER PT S AU Nelson, G Rajamani, R AF Nelson, Garrett Rajamani, Rajesh GP IEEE TI Improved Auscultation with a Stethoscope Using Model Inversion for Unknown Input Estimation SO 2016 AMERICAN CONTROL CONFERENCE (ACC) SE Proceedings of the American Control Conference LA English DT Proceedings Paper CT American Control Conference (ACC) CY JUL 06-08, 2016 CL Boston, MA SP Amer Automat Control Council ID MULTIVARIABLE LINEAR-SYSTEMS; DYNAMICAL-SYSTEMS; INVERTIBILITY AB This paper presents a method for improved auscultation with an electronic stethoscope by estimating and removing the effects of unknown disturbance inputs. By replacing the single transducer in a stethoscope with a dual piezo transducer assembly, it is shown that an inverse dynamic mapping can be used to relate the two measured signals to original directional inputs acting on the stethoscope. Specifically, model inversion is used to estimate and remove physician handling noise from chest sound signals. An experimental test platform which uses a vibration shaker to simulate the desired auscultation signal is used to experimentally demonstrate the feasibility of the dual-piezo stethoscope approach in improving auscultation. C1 [Nelson, Garrett] Sandia Natl Labs, Albuquerque, NM 87111 USA. [Rajamani, Rajesh] Univ Minnesota, Dept Mech Engn, 111 Church St SE, Minneapolis, MN 55455 USA. RP Nelson, G (reprint author), Sandia Natl Labs, Albuquerque, NM 87111 USA. EM gdnelso@sandia.gov; rajamani@umn.edu FU United States Department of Energy [DE-AC04-94AL85000] FX Sandia is a multi-program laboratory operated by Sandia Corporation, a Lockheed Martin Company, for the United States Department of Energy under contract DE-AC04-94AL85000. NR 20 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 0743-1619 BN 978-1-4673-8682-1 J9 P AMER CONTR CONF PY 2016 BP 3970 EP 3975 PG 6 WC Automation & Control Systems SC Automation & Control Systems GA BG3XW UT WOS:000388376104006 ER PT S AU Sinha, M Dorfler, F Johnson, BB Dhople, SV AF Sinha, Mohit Dorfler, Florian Johnson, Brian B. Dhople, Sairaj V. GP IEEE TI Synchronization of Lienard-type Oscillators in Uniform Electrical Networks SO 2016 AMERICAN CONTROL CONFERENCE (ACC) SE Proceedings of the American Control Conference LA English DT Proceedings Paper CT American Control Conference (ACC) CY JUL 06-08, 2016 CL Boston, MA SP Amer Automat Control Council ID KRON REDUCTION; INVERTERS; DESIGN AB This paper presents a condition for global asymptotic synchronization of Lienard-type nonlinear oscillators in uniform LTI electrical networks with series R-L circuits modeling interconnections. By uniform electrical networks, we mean that the per-unit-length impedances are identical for the interconnecting lines. We derive conditions for global asymptotic synchronization for a particular feedback architecture where the derivative of the oscillator output current supplements the innate current feedback induced by simply interconnecting the oscillator to the network. Our proof leverages a coordinate transformation to a set of differential coordinates that emphasizes signal differences and the particular form of feedback permits the formulation of a quadratic Lyapunov function for this class of networks. This approach is particularly interesting since synchronization conditions are difficult to obtain by means of quadratic Lyapunov functions when only current feedback is used and for networks composed of series R-L circuits. Our synchronization condition depends on the algebraic connectivity of the underlying network, and reiterates the conventional wisdom from Lyapunov-and passivity-based arguments that strong coupling is required to ensure synchronization. C1 [Sinha, Mohit; Dhople, Sairaj V.] Univ Minnesota UMN, Dept Elect & Comp Engn, Minneapolis, MN 55455 USA. [Dorfler, Florian] ETH, Automat Control Lab, Zurich, Switzerland. [Johnson, Brian B.] Natl Renewable Energy Lab, Power Syst Engn Ctr, Golden, CO USA. RP Sinha, M (reprint author), Univ Minnesota UMN, Dept Elect & Comp Engn, Minneapolis, MN 55455 USA. EM sinha052@UMN.EDU; dorfler@ETHZ.CH; brian.johnson@NREL.GOV; sdhople@UMN.EDU FU National Science Foundation [1509277, 1453921]; ETH funds; SNF Assistant Professor Energy Grant [160573]; Laboratory Directed Research and Development Program at NREL FX Their work was supported in part by the National Science Foundation through award 1509277, and CAREER award 1453921.; His work is supported by ETH funds and the SNF Assistant Professor Energy Grant #160573.; His work was supported by the Laboratory Directed Research and Development Program at NREL. NR 27 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 0743-1619 BN 978-1-4673-8682-1 J9 P AMER CONTR CONF PY 2016 BP 4311 EP 4316 PG 6 WC Automation & Control Systems SC Automation & Control Systems GA BG3XW UT WOS:000388376104062 ER PT S AU Lin, F Chen, C AF Lin, Fu Chen, Chen GP IEEE TI An ADMM Algorithm for Load Shedding in Electric Power Grids SO 2016 AMERICAN CONTROL CONFERENCE (ACC) SE Proceedings of the American Control Conference LA English DT Proceedings Paper CT American Control Conference (ACC) CY JUL 06-08, 2016 CL Boston, MA SP Amer Automat Control Council DE Alternating direction method of multipliers; load shedding; mixed-integer nonlinear programs; power systems ID INTEGER NONLINEAR PROGRAMS; OUTER APPROXIMATION; OPTIMIZATION; NETWORKS; SYSTEMS AB We consider the optimal load-shedding problem in electric power systems where a number of transmission lines are to be taken out of service. The nonlinear power flow equations and the binary decision variables result in a mixed-integer nonlinear program. We show that the load-shedding problem has a separable structure when the power flow equation is relaxed. We exploit the separable structure by using the alternating direction method of multipliers. Numerical experiments on IEEE 118-bus system demonstrate that our approach significantly outperforms random selection of lines. Computational results suggest that removing transmission lines between load buses results in less load shedding in power systems. C1 [Lin, Fu] Argonne Natl Lab, Div Math & Comp Sci, Lemont, IL 60439 USA. [Chen, Chen] Argonne Natl Lab, Div Energy Syst, Lemont, IL 60439 USA. RP Lin, F (reprint author), Argonne Natl Lab, Div Math & Comp Sci, Lemont, IL 60439 USA. EM flin@anl.gov; morningchen@anl.gov FU U.S. Department of Energy, Office of Science, Office of Advanced Scientific Computing Research, Applied Mathematics program [DE-AC02-06CH11357] FX We thank two reviewers for their useful comments and suggestions that improve the presentation of the paper. This material is based upon work supported by the U.S. Department of Energy, Office of Science, Office of Advanced Scientific Computing Research, Applied Mathematics program under contract number DE-AC02-06CH11357. NR 20 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 0743-1619 BN 978-1-4673-8682-1 J9 P AMER CONTR CONF PY 2016 BP 5002 EP 5007 PG 6 WC Automation & Control Systems SC Automation & Control Systems GA BG3XW UT WOS:000388376105012 ER PT S AU Dong, J Malikopoulos, AA Djouadi, SM Kuruganti, T AF Dong, Jin Malikopoulos, Andreas A. Djouadi, Seddik M. Kuruganti, Teja GP IEEE TI Application of Optimal Production Control theory for Home Energy Management in a Micro Grid SO 2016 AMERICAN CONTROL CONFERENCE (ACC) SE Proceedings of the American Control Conference LA English DT Proceedings Paper CT American Control Conference (ACC) CY JUL 06-08, 2016 CL Boston, MA SP Amer Automat Control Council ID DEMAND RESPONSE; ELECTRICITY MARKETS; LOADS; POWER AB We consider the optimal stochastic control problem for home energy systems with solar and energy storage devices when the demand is realized from the grid. The demand is subject to Brownian motions with both drift and variance parameters modulated by a continuous-time Markov chain that represents the regime of electricity price. We model the systems as pure stochastic differential equation models, and then we follow the completing square technique to solve the stochastic home energy management problem. The effectiveness of the efficiency of the proposed approach is validated through a simulation example. For practical situations with constraints consistent to those studied here, our results imply the proposed framework could reduce the electricity cost from short-term purchase in peak hour market. C1 [Dong, Jin; Djouadi, Seddik M.] Univ Tennessee, Dept Elect Engn & Comp Sci, Knoxville, TN 37996 USA. [Malikopoulos, Andreas A.; Kuruganti, Teja] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA. RP Dong, J (reprint author), Univ Tennessee, Dept Elect Engn & Comp Sci, Knoxville, TN 37996 USA. EM jdong@utk.edu; adreas@ornl.gov; djouadi@eecs.utk.edu; kurugantipv@ornl.gov FU U.S. Department of Energy [DE-AC05-00OR22725]; Department of Energy FX This manuscript has been authored by UT-Battelle, LLC under Contract No. DE-AC05-00OR22725 with the U.S. Department of Energy. The United States Government retains and the publisher, by accepting the article for publication, acknowledges that the United States Government retains a nonexclusive, paid-up, irrevocable, world-wide license to publish or reproduce the published form of this manuscript, or allow others to do so, for United States Government purposes. The Department of Energy will provide public access to these results of federally sponsored research in accordance with the DOE Public Access Plan http://energy.gov/downloads/doe-public-access-plan. NR 24 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 0743-1619 BN 978-1-4673-8682-1 J9 P AMER CONTR CONF PY 2016 BP 5014 EP 5019 PG 6 WC Automation & Control Systems SC Automation & Control Systems GA BG3XW UT WOS:000388376105014 ER PT S AU Boardman, B Harden, T Martinez, S AF Boardman, Beth Harden, Troy Martinez, Sonia GP IEEE TI Spatial Load Balancing in Non-Convex Environments using Sampling-Based Motion Planners SO 2016 AMERICAN CONTROL CONFERENCE (ACC) SE Proceedings of the American Control Conference LA English DT Proceedings Paper CT American Control Conference (ACC) CY JUL 06-08, 2016 CL Boston, MA SP Amer Automat Control Council ID COVERAGE CONTROL AB This paper proposes an algorithm to approximately solve a spatial-load balancing problem for agents, subject to differential constraints, deployed in non-convex environments. A probabilistic roadmap is used to approximate regions via connected sets of vertices, which describe agents' configurations and optimal paths joining them. At each iteration, agents' positions and assigned graph nodes are updated to minimize the cost function. Two graph-node partitions are considered. In the first one, (nu) over tilde, all graph vertices are allocated to one agent or another. The second one, <(nu)over tilde(lower)> , is a lower approximation that only allocates some of the graph vertices to the agents and has the advantage of requiring less communication than required for <(nu)over tilde>. Algorithm convergence can be guaranteed for (nu) over tilde to a neighborhood of the continuous-space counterpart, and to its solution as sampling dispersion tends to zero. The convergence of the algorithm using <(nu)over tilde(lower)> and trade-offs between <(nu)over tilde(lower)> and (nu) over tilde are established in simulation for a Euclidean metric case and Dubins' vehicle dynamics. C1 [Boardman, Beth; Martinez, Sonia] Univ Calif San Diego, Mech & Aerosp Engn, 9500 Gilman Dr, La Jolla, CA 92093 USA. [Boardman, Beth; Harden, Troy] Los Alamos Natl Lab, POB 1663,MS J580, Los Alamos, NM 87545 USA. RP Boardman, B (reprint author), Univ Calif San Diego, Mech & Aerosp Engn, 9500 Gilman Dr, La Jolla, CA 92093 USA.; Boardman, B (reprint author), Los Alamos Natl Lab, POB 1663,MS J580, Los Alamos, NM 87545 USA. EM bboardman@ucsd.edu; harden@lanl.gov; soniamd@ucsd.edu FU Los Alamos National Laboratory FX This work was supported by Los Alamos National Laboratory and is approved for release under LA-UR-15-27452. NR 26 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 0743-1619 BN 978-1-4673-8682-1 J9 P AMER CONTR CONF PY 2016 BP 5703 EP 5708 PG 6 WC Automation & Control Systems SC Automation & Control Systems GA BG3XW UT WOS:000388376105122 ER PT S AU Molzahn, DK Mehta, D Niemerg, M AF Molzahn, Daniel K. Mehta, Dhagash Niemerg, Matthew GP IEEE TI Toward Topologically Based Upper Bounds on the Number of Power Flow Solutions SO 2016 AMERICAN CONTROL CONFERENCE (ACC) SE Proceedings of the American Control Conference LA English DT Proceedings Paper CT American Control Conference (ACC) CY JUL 06-08, 2016 CL Boston, MA SP Amer Automat Control Council ID SYSTEMS; ALGORITHM; CONTINUATION AB The power flow equations, which relate power injections and voltage phasors, are at the heart of many electric power system computations. While Newton-based methods typically find the "high-voltage"solution to the power flow equations, which is of primary interest, there are potentially many "low-voltage"solutions that are useful for certain analyses. This paper addresses the number of solutions to the power flow equations. There exist upper bounds on the number of power flow solutions; however, there is only limited work regarding bounds that are functions of network topology. This paper empirically explores the relationship between the network topology, as characterized by the maximal cliques, and the number of power flow solutions. To facilitate this analysis, we use a numerical polynomial homotopy continuation approach that is guaranteed to find all complex solutions to the power flow equations. The number of solutions obtained from this approach upper bounds the number of real solutions. Testing with many small networks informs the development of upper bounds that are functions of the network topology. Initial results include empirically derived expressions for the maximum number of solutions for certain classes of network topologies. C1 [Molzahn, Daniel K.] Argonne Natl Lab, Argonne, IL 60439 USA. [Mehta, Dhagash] Univ Notre Dame, Dept Appl & Computat Math & Stat, Notre Dame, IN 46556 USA. [Mehta, Dhagash] Univ Adelaide, Sch Phys Sci, Dept Phys, Ctr Subatom Struct Matter, Adelaide, SA 5005, Australia. [Niemerg, Matthew] Fields Inst Res Math Sci, Toronto, ON, Canada. RP Molzahn, DK (reprint author), Argonne Natl Lab, Argonne, IL 60439 USA. EM dmolzahn@anl.gov; dmehta@nd.edu; research@matthewniemerg.com FU NSF-ECCS award [1509036]; Australian Research Council DECRA fellowship [DE140100867] FX Support from NSF-ECCS award ID 1509036 and an Australian Research Council DECRA fellowship no. DE140100867. NR 55 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 0743-1619 BN 978-1-4673-8682-1 J9 P AMER CONTR CONF PY 2016 BP 5927 EP 5932 PG 6 WC Automation & Control Systems SC Automation & Control Systems GA BG3XW UT WOS:000388376105158 ER PT S AU Scheinker, A AF Scheinker, Alexander GP IEEE TI Extremum Seeking for RF Cavity Resonance Control SO 2016 AMERICAN CONTROL CONFERENCE (ACC) SE Proceedings of the American Control Conference LA English DT Proceedings Paper CT American Control Conference (ACC) CY JUL 06-08, 2016 CL Boston, MA SP Amer Automat Control Council ID NONLINEAR DYNAMIC-SYSTEMS; STABILITY; FEEDBACK AB We present an Extremum Seeking approach for resonance control of radio frequency (RF) resonant cavities without phase measurements. The controller minimizes reflected power from an RF cavity by utilizing model-independent ES. Unlike phase measurement-based resonance controllers, this approach does not require cable length-based calibration. Furthermore, this adaptive approach automatically tracks temperature-induced cable length changes which could otherwise require re-calibration or uncompensated would introduce time-varying offsets. We give a theoretical overview of the problem, a general overview of the controller, and present experimental results. C1 [Scheinker, Alexander] Los Alamos Natl Lab, RF Control Grp, Los Alamos, NM 87544 USA. RP Scheinker, A (reprint author), Los Alamos Natl Lab, RF Control Grp, Los Alamos, NM 87544 USA. EM ascheink@lanl.gov FU Los Alamos National Laboratory FX This research was sponsored by Los Alamos National Laboratory. The author would like to thank Mark Prokop, Phill Torrez, and Lawrence Castellano for their help in the RF setup and Tsuyoshi Tajima for allowing us to borrow the Tesla-type cavity. NR 20 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 0743-1619 BN 978-1-4673-8682-1 J9 P AMER CONTR CONF PY 2016 BP 6079 EP 6084 PG 6 WC Automation & Control Systems SC Automation & Control Systems GA BG3XW UT WOS:000388376106023 ER PT S AU Zhang, YJ Malikopoulos, AA Cassandras, CG AF Zhang, Yue J. Malikopoulos, Andreas A. Cassandras, Christos G. GP IEEE TI Optimal Control and Coordination of Connected and Automated Vehicles at Urban Traffic Intersections SO 2016 AMERICAN CONTROL CONFERENCE (ACC) SE Proceedings of the American Control Conference LA English DT Proceedings Paper CT American Control Conference (ACC) CY JUL 06-08, 2016 CL Boston, MA SP Amer Automat Control Council AB We address the problem of coordinating online a continuous flow of connected and automated vehicles (CAVs) crossing two adjacent intersections in an urban area. We present a decentralized optimal control framework whose solution yields for each vehicle the optimal acceleration/deceleration at any time in the sense of minimizing fuel consumption. The solution, when it exists, allows the vehicles to cross the intersections without the use of traffic lights, without creating congestion on the connecting road, and under the hard safety constraint of collision avoidance. The effectiveness of the proposed solution is validated through simulation considering two intersections located in downtown Boston, and it is shown that coordination of CAVs can reduce significantly both fuel consumption and travel time. C1 [Zhang, Yue J.; Cassandras, Christos G.] Boston Univ, Div Syst Engn, Boston, MA 02215 USA. [Zhang, Yue J.; Cassandras, Christos G.] Boston Univ, Ctr Informat & Syst Engn, Boston, MA 02215 USA. [Malikopoulos, Andreas A.] Oak Ridge Natl Lab, Energy & Transportat Sci Div, Oak Ridge, TN 37831 USA. RP Zhang, YJ (reprint author), Boston Univ, Div Syst Engn, Boston, MA 02215 USA.; Zhang, YJ (reprint author), Boston Univ, Ctr Informat & Syst Engn, Boston, MA 02215 USA. EM joycez@bu.edu; andreas@ornl.gov; cgc@bu.edu FU Laboratory Directed Research and Development Program of Oak Ridge National Laboratory; NSF [CNS-1239021, ECCS-1509084, IIP-1430145]; AFOSR [FA9550-15-1-0471]; ONR [N00014-09-1-1051]; U.S. Department of Energy [DE-AC05-00OR22725] FX This manuscript has been authored by UT-Battelle, LLC under Contract No. DE-AC05-00OR22725 with the U.S. Department of Energy. The United States Government retains and the publisher, by accepting the article for publication, acknowledges that the United States Government retains a nonexclusive, paid-up, irrevocable, world-wide license to publish or reproduce the published form of this manuscript, or allow others to do so, for United States Government purposes.; This research was supported by the Laboratory Directed Research and Development Program of Oak Ridge National Laboratory, managed by UT-Battelle, LLC, for the U.S. Department of Energy. The work of Cassandras and Zhang is supported in part by NSF under grants CNS-1239021, ECCS-1509084, and IIP-1430145, by AFOSR under grant FA9550-15-1-0471, and by ONR under grant N00014-09-1-1051. NR 15 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 0743-1619 BN 978-1-4673-8682-1 J9 P AMER CONTR CONF PY 2016 BP 6227 EP 6232 PG 6 WC Automation & Control Systems SC Automation & Control Systems GA BG3XW UT WOS:000388376106047 ER PT S AU Lin, F Di, ZC Leyffer, S AF Lin, Fu Di, Zichao Leyffer, Sven GP IEEE TI A Multilevel Approach for a Class of Semidefinite Programs SO 2016 AMERICAN CONTROL CONFERENCE (ACC) SE Proceedings of the American Control Conference LA English DT Proceedings Paper CT American Control Conference (ACC) CY JUL 06-08, 2016 CL Boston, MA SP Amer Automat Control Council DE Algebraic distance; coordinate descent; multilevel methods; semidefinite programs ID COMBINATORIAL OPTIMIZATION AB We consider a class of semidefinite programs (SDPs) that arises from combinatorial optimization problems on graphs. We propose a multilevel approach that produces a sequence of progressively coarser problems by coarsening the underlying graphs. We use the solution of each coarse problem to provide an initial approximation to the solution at a finer level. At the coarsest level we employ Newton's method for high-accuracy solutions, and at finer levels we take advantage of inexpensive coordinate descent updates. We coarsen graphs based on an algebraic distance that can be computed efficiently. Furthermore, our coarsening scheme preserves the properties of graph Laplacian matrices between the fine and coarse levels. Numerical experiments show that the hybrid multilevel approach is competitive with the state-of-the-art SDP solver on large synthetic graphs. C1 [Lin, Fu; Di, Zichao; Leyffer, Sven] Argonne Natl Lab, Math & Comp Sci Div, Lemont, IL 60439 USA. RP Lin, F (reprint author), Argonne Natl Lab, Math & Comp Sci Div, Lemont, IL 60439 USA. EM fulin@mcs.anl.gov; wendydi@mcs.anl.gov; leyffer@mcs.anl.gov FU U.S. Department of Energy, Office of Science, Office of Advanced Scientific Computing Research, Applied Mathematics program [DE-AC02-06CH11357] FX This material is based upon work supported by the U.S. Department of Energy, Office of Science, Office of Advanced Scientific Computing Research, Applied Mathematics program under contract number DE-AC02-06CH11357. NR 18 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 0743-1619 BN 978-1-4673-8682-1 J9 P AMER CONTR CONF PY 2016 BP 7153 EP 7158 PG 6 WC Automation & Control Systems SC Automation & Control Systems GA BG3XW UT WOS:000388376107036 ER PT S AU Zlotnik, A Roald, L Backhaus, S Chertkov, M Andersson, G AF Zlotnik, Anatoly Roald, Line Backhaus, Scott Chertkov, Michael Andersson, Goran GP IEEE TI Control Policies for Operational Coordination of Electric Power and Natural Gas Transmission Systems SO 2016 AMERICAN CONTROL CONFERENCE (ACC) SE Proceedings of the American Control Conference LA English DT Proceedings Paper CT American Control Conference (ACC) CY JUL 06-08, 2016 CL Boston, MA SP Amer Automat Control Council ID OPTIMIZATION; SIMULATION; NETWORKS AB The abundance of natural gas in the United States and the need for cleaner electric power have prompted widespread installation of gas-fired power plants and caused electric power systems to depend heavily on reliable gas supplies. The use of gas generators for peak load and reserve generation causes high intra-day variability in withdrawals from high pressure gas transmission systems, which leads to gas price fluctuations and supply disruptions that affect electric generator dispatch and threaten the security of both power and gas systems. In this manuscript, we investigate different gas compressor operation policies and their influence on the affected power system. Specifically, we consider constant pressure boost ratios and dynamic adjustment of these ratios to track pressure set-points. We also implement a joint optimization of generator dispatch schedules and gas compressor protocols using a dynamic gas flow model. We develop tractable, physically accurate implementations that are compared using an integrated model of test networks for power and gas systems with 24 and 25 nodes, which are coupled through gas-fired generators. This demonstrates the benefits that can be achieved with globally optimized gas system operations and increased gas-electric coordination. C1 [Zlotnik, Anatoly; Backhaus, Scott; Chertkov, Michael] Los Alamos Natl Lab, Los Alamos, NM 87544 USA. [Roald, Line; Andersson, Goran] Swiss Fed Inst Technol, Dept Elect Engn, Power Syst Lab, Zurich, Switzerland. RP Zlotnik, A (reprint author), Los Alamos Natl Lab, Los Alamos, NM 87544 USA. EM zlotnik@lanl.gov; roald@eeh.ee.ethz.ch; backhaus@lanl.gov; chertkov@lanl.gov; andersson@eeh.ee.ethz.ch FU NNSA of the U.S. Department of Energy at Los Alamos National Laboratory [DE-AC52-06NA25396]; DTRA Basic Research Project [10027-13399]; Advanced Grid Modeling Program in the U.S. Department of Energy Office of Electricity; project UMBRELLA under the 7th Framework Programme of the E.U., grant [282775] FX We thank Russell Bent, Seth Blumsack, and Sidhant Misra for valuable discussions. Part of this work was carried out under the auspices of the NNSA of the U.S. Department of Energy at Los Alamos National Laboratory under contract #DE-AC52-06NA25396, with partial support by DTRA Basic Research Project #10027-13399, the Advanced Grid Modeling Program in the U.S. Department of Energy Office of Electricity, and project UMBRELLA under the 7th Framework Programme of the E.U., grant agreement #282775. NR 28 TC 0 Z9 0 U1 1 U2 1 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 0743-1619 BN 978-1-4673-8682-1 J9 P AMER CONTR CONF PY 2016 BP 7478 EP 7483 PG 6 WC Automation & Control Systems SC Automation & Control Systems GA BG3XW UT WOS:000388376107089 ER PT S AU Mak, TWK Van Hentenryck, P Zlotnik, A Hijazi, H Bent, R AF Mak, Terrence W. K. Van Hentenryck, Pascal Zlotnik, Anatoly Hijazi, Hassan Bent, Russell GP IEEE TI Efficient Dynamic Compressor Optimization in Natural Gas Transmission Systems SO 2016 AMERICAN CONTROL CONFERENCE (ACC) SE Proceedings of the American Control Conference LA English DT Proceedings Paper CT American Control Conference (ACC) CY JUL 06-08, 2016 CL Boston, MA SP Amer Automat Control Council ID PIPELINE SYSTEMS; NETWORKS; DESIGN; MODEL; FLOW AB The growing reliance of electric power systems on gas-fired generation to balance intermittent sources of renewable energy has increased the variation and volume of flows through natural gas transmission pipelines. Adapting pipeline operations to maintain efficiency and security under these new conditions requires optimization methods that account for transients and that can quickly compute solutions in reaction to generator re-dispatch. This paper presents an efficient scheme to minimize compression costs under dynamic conditions where deliveries to customers are described by time-dependent mass flow. The optimization scheme relies on a compact representation of gas flow physics, a trapezoidal discretization in time and space, and a two-stage approach to minimize energy costs and maximize smoothness. The resulting large-scale nonlinear programs are solved using a modern interior-point method. The proposed optimization scheme is validated against an integration of dynamic equations with adaptive time-stepping, as well as a recently proposed state-of- the-art optimal control method. The comparison shows that the solutions are feasible for the continuous problem and also practical from an operational standpoint. The results also indicate that our scheme scales to large gas transmission networks with more than 6000 kilometers of total pipeline. C1 [Mak, Terrence W. K.; Hijazi, Hassan] NICTA, Canberra, ACT, Australia. [Mak, Terrence W. K.; Hijazi, Hassan] Australian Natl Univ, Canberra, ACT, Australia. [Van Hentenryck, Pascal] Univ Michigan, Dept Ind & Syst Engn, Ann Arbor, MI 48109 USA. [Zlotnik, Anatoly; Bent, Russell] Los Alamos Natl Lab, Los Alamos, NM USA. RP Mak, TWK (reprint author), NICTA, Canberra, ACT, Australia.; Mak, TWK (reprint author), Australian Natl Univ, Canberra, ACT, Australia. EM Terrence.Mak@nicta.com.au; pvanhent@umich.edu; azlotnik@lanl.gov; Has-san.Hijazi@nicta.com.au; rbent@lanl.gov FU National Nuclear Security Administration of the U.S. Department of Energy at Los Alamos National Laboratory [DE-AC52-06NA25396]; DTRA Basic Research Project [10027-13399]; Advanced Grid Modeling Program in the U.S. Department of Energy Office of Electricity; Australian Government through the Department of Communications; Australian Research Council through the ICT Centre of Excellence Program FX We thank Sidhant Misra, Michael Chertkov, and Scott Backhaus for valuable discussions. Part of this work was carried out under the auspices of the National Nuclear Security Administration of the U.S. Department of Energy at Los Alamos National Laboratory under Contract No. DE-AC52-06NA25396, and was partially supported by DTRA Basic Research Project #10027-13399 and by the Advanced Grid Modeling Program in the U.S. Department of Energy Office of Electricity. NICTA is funded by the Australian Government through the Department of Communications and the Australian Research Council through the ICT Centre of Excellence Program. NR 36 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 0743-1619 BN 978-1-4673-8682-1 J9 P AMER CONTR CONF PY 2016 BP 7484 EP 7491 PG 8 WC Automation & Control Systems SC Automation & Control Systems GA BG3XW UT WOS:000388376107090 ER PT S AU Lee, SK Ryu, JH Lee, YK Kim, KL AF Lee, Seung-Kuk Ryu, Joo-Hyung Lee, Yoon-Kyung Kim, Kye-Lim GP IEEE TI TIDAL FLAT DIGITAL EVELVATION MODEL (DEM) CONSTRUCTION BY MEANS OF TANDEM-X SO 2016 IEEE INTERNATIONAL GEOSCIENCE AND REMOTE SENSING SYMPOSIUM (IGARSS) SE IEEE International Symposium on Geoscience and Remote Sensing IGARSS LA English DT Proceedings Paper CT 36th IEEE International Geoscience and Remote Sensing Symposium (IGARSS) CY JUL 10-15, 2016 CL Beijing, PEOPLES R CHINA SP Inst Elect & Elect Engineers, Inst Elect & Elect Engineers, Geoscience & Remote Sensing Soc, NSSC DE Tidal flat; TanDEM-X; InSAR AB This study will explore the feasibility of TanDEM-X interferometric observations in tidal flats. The bi- and monostatic modes of TanDEM-X give us the great possibility for interferometric SAR (InSAR) technique to generate highly accurate intertidal DEM due to no time lag (bistatic case) or approximately 10-second temporal baseline (monostatic case) between master and slave SAR image acquisitions. The TanDEM-X DEM in tidal flats will be validated against RTK-GPS measurements and topographic information measured from UAV system. C1 [Lee, Seung-Kuk] NASA, Goddard Space Flight Ctr, Washington, DC 20546 USA. [Lee, Seung-Kuk] Oak Ridge Associated Univ, Oak Ridge, TN 37831 USA. [Ryu, Joo-Hyung; Lee, Yoon-Kyung; Kim, Kye-Lim] Korea Inst Ocean Sci & Technol, Ansan, Gyeonggi Do, South Korea. RP Lee, SK (reprint author), NASA, Goddard Space Flight Ctr, Washington, DC 20546 USA.; Lee, SK (reprint author), Oak Ridge Associated Univ, Oak Ridge, TN 37831 USA. NR 4 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 2153-6996 BN 978-1-5090-3332-4 J9 INT GEOSCI REMOTE SE PY 2016 BP 340 EP 341 PG 2 WC Engineering, Electrical & Electronic; Geosciences, Multidisciplinary; Remote Sensing SC Engineering; Geology; Remote Sensing GA BG3QG UT WOS:000388114600088 ER PT S AU Kelbe, D White, D Hardin, A Moehl, J Phillips, M AF Kelbe, Dave White, Devin Hardin, Andrew Moehl, Jessica Phillips, Melanie GP IEEE TI SENSOR-AGNOSTIC PHOTOGRAMMETRIC IMAGE REGISTRATION WITH APPLICATIONS TO POPULATION MODELING SO 2016 IEEE INTERNATIONAL GEOSCIENCE AND REMOTE SENSING SYMPOSIUM (IGARSS) SE IEEE International Symposium on Geoscience and Remote Sensing IGARSS LA English DT Proceedings Paper CT 36th IEEE International Geoscience and Remote Sensing Symposium (IGARSS) CY JUL 10-15, 2016 CL Beijing, PEOPLES R CHINA SP Inst Elect & Elect Engineers, Inst Elect & Elect Engineers, Geoscience & Remote Sensing Soc, NSSC DE Image registration; photogrammetry; data fusion; high-performance computing; population modeling AB While wide area motion imagery provides short-timescale temporal information, e. g., individual vehicle tracking, it lacks broader contextual information on the ambient distribution of populations within that area. We present a fusion approach to augment Iris video with broader-scale population data. Spectral, geometric, and geospatial limitations of the Iris video preclude the use of Iris video directly; this is overcome by photogrammetric registration of robust Deimos-2 imagery and ancillary processed products using a high performance sensor-agnostic, multi-temporal registration workflow. We assess the accuracy and precision of the proposed workflow (similar to 15 m; Euclidean) and demonstrate the potential to leverage the fusion of these data towards rapid, global-scale population distribution modeling. This has important implications to effective response to emergencies, especially in urban environments, where population density is driven largely by building heights, and a complementary, multi-scale understanding of the distribution and dynamics of people within that geographic area is required. C1 [Kelbe, Dave; White, Devin; Hardin, Andrew; Moehl, Jessica; Phillips, Melanie] Oak Ridge Natl Lab, Oak Ridge, TN 37830 USA. RP Kelbe, D (reprint author), Oak Ridge Natl Lab, Oak Ridge, TN 37830 USA. FU U.S. Department of Energy [DE-AC05-00OR22725] FX This manuscript has been authored by employees of UT-Battelle, LLC, under contract DE-AC05-00OR22725 with the U.S. Department of Energy. Accordingly, the United States Government retains and the publisher, by accepting the article for publication, acknowledges that the United States Government retains a non-exclusive, paid-up, irrevocable, world-wide license to publish or reproduce the published form of this manuscript, or allow others to do so, for United States Government purposes. The authors thank Deimos Imaging for acquiring and providing the data used in this study, and the IEEE GRSS Image Analysis and Data Fusion Technical Committee. NR 8 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 2153-6996 BN 978-1-5090-3332-4 J9 INT GEOSCI REMOTE SE PY 2016 BP 1831 EP 1834 PG 4 WC Engineering, Electrical & Electronic; Geosciences, Multidisciplinary; Remote Sensing SC Engineering; Geology; Remote Sensing GA BG3QG UT WOS:000388114601242 ER PT S AU Lee, SK Fatoyinbo, T Lagomasino, D Osmanoglu, B Feliciano, E AF Lee, Seung-Kuk Fatoyinbo, Temilola Lagomasino, David Osmanoglu, Batuhan Feliciano, Emanulle GP IEEE TI GROUND-LEVEL DIGITAL TERRAIN MODEL (DTM) CONSTRUCTION FROM TANDEM-X INSAR DATA AND WORLDVIEW STEREO- PHOTOGRAMMETRIC IMAGES SO 2016 IEEE INTERNATIONAL GEOSCIENCE AND REMOTE SENSING SYMPOSIUM (IGARSS) SE IEEE International Symposium on Geoscience and Remote Sensing IGARSS LA English DT Proceedings Paper CT 36th IEEE International Geoscience and Remote Sensing Symposium (IGARSS) CY JUL 10-15, 2016 CL Beijing, PEOPLES R CHINA SP Inst Elect & Elect Engineers, Inst Elect & Elect Engineers, Geoscience & Remote Sensing Soc, NSSC ID POL-INSAR; INVERSION C1 [Lee, Seung-Kuk; Fatoyinbo, Temilola; Lagomasino, David; Osmanoglu, Batuhan; Feliciano, Emanulle] NASA, Goddard Space Flight Ctr, Greenbelt, MD 20771 USA. [Lee, Seung-Kuk; Feliciano, Emanulle] Oak Ridge Associated Univ, Oak Ridge, TN 37831 USA. [Lagomasino, David] Univ Space Res Assoc, Columbia, MD USA. RP Lee, SK (reprint author), NASA, Goddard Space Flight Ctr, Greenbelt, MD 20771 USA.; Lee, SK (reprint author), Oak Ridge Associated Univ, Oak Ridge, TN 37831 USA. NR 5 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 2153-6996 BN 978-1-5090-3332-4 J9 INT GEOSCI REMOTE SE PY 2016 BP 6040 EP 6042 PG 3 WC Engineering, Electrical & Electronic; Geosciences, Multidisciplinary; Remote Sensing SC Engineering; Geology; Remote Sensing GA BG3QG UT WOS:000388114605244 ER PT B AU Garcia, V Cooter, E Crooks, J Hayes, B Hinckley, B Murphy, M Wade, T Xing, XN AF Garcia, Valerie Cooter, Ellen Crooks, James Hayes, Brandon Hinckley, Brian Murphy, Mark Wade, Tim Xing, Xiangnan BE Steyn, DG Chaumerliac, N TI Using a Coupled Modelling System to Examine the Impacts of Increased Corn Production on Groundwater Quality and Human Health SO AIR POLLUTION MODELING AND ITS APPLICATION XXIV SE Springer Proceedings in Complexity LA English DT Proceedings Paper CT 34th International Technical Meeting on Air Pollution Modelling and its Application (ITM) CY MAY 04-08, 2015 CL Montpellier, FRANCE SP LaMP OPGC, CNRS, Univ British Columbia, CNRS INSU, CEA, CNES, ADEME, INERIS, Environm Canada AB Attributing nitrogen (N) in the environment to emissions from agricultural management practices is difficult because of the complex and inter-related chemical and biological reactions associated with N and its cascading effects across land, air and water. Such analyses are critical, however, in understanding the benefits and disbenefits associated with environmental management options. Coupled physical models present new opportunities to understand relationships among environmental variables across multiple sources, pathways and scenarios. Because they trace the environmental fate of pollutant concentrations found in the environment through first-principle physical and chemical processes, they shed new light on these complex interactions and how they will respond under various management scenarios. In this study, we use a coupled modeling system to holistically assess the impacts of increased corn production on groundwater and air quality. In particular, we show how the models provide new information on the drivers for contamination in groundwater and air, and then relate pollutant concentration changes attributed to potential changes in corn production between 2002 and 2022 to health and cost outcomes. C1 [Garcia, Valerie; Cooter, Ellen; Crooks, James; Wade, Tim] US EPA, Off Res & Dev, RTP, 109 TW Alexander Dr, Res Triangle Pk, NC 27711 USA. [Hayes, Brandon; Hinckley, Brian; Xing, Xiangnan] Oakridge Natl Lab, ORISE, Oak Ridge, TN USA. [Murphy, Mark] Innovate Inc, Alexandria, VA USA. RP Garcia, V (reprint author), US EPA, Off Res & Dev, RTP, 109 TW Alexander Dr, Res Triangle Pk, NC 27711 USA. EM garcia.val@epa.gov NR 2 TC 0 Z9 0 U1 0 U2 0 PU SPRINGER INT PUBLISHING AG PI CHAM PA GEWERBESTRASSE 11, CHAM, CH-6330, SWITZERLAND BN 978-3-319-24476-1; 978-3-319-24478-5 J9 SPRINGER PR COMPLEX PY 2016 BP 113 EP 117 DI 10.1007/978-3-319-24478-5_18 PG 5 WC Meteorology & Atmospheric Sciences SC Meteorology & Atmospheric Sciences GA BG9SQ UT WOS:000393786100019 ER PT B AU Hanna, S Chang, J Hearn, J Hicks, B Fox, S Whitmire, M Spicer, T Brown, D Sohn, M Yamada, T AF Hanna, Steven Chang, Joseph Hearn, John Hicks, Bruce Fox, Shannon Whitmire, Mark Spicer, Thomas Brown, David Sohn, Michael Yamada, Tetsuji BE Steyn, DG Chaumerliac, N TI Deposition Following Accidental Releases of Chlorine from Railcars SO AIR POLLUTION MODELING AND ITS APPLICATION XXIV SE Springer Proceedings in Complexity LA English DT Proceedings Paper CT 34th International Technical Meeting on Air Pollution Modelling and its Application (ITM) CY MAY 04-08, 2015 CL Montpellier, FRANCE SP LaMP OPGC, CNRS, Univ British Columbia, CNRS INSU, CEA, CNES, ADEME, INERIS, Environm Canada ID DENSE; VEGETATION; GASES AB Chlorine releases to the atmosphere due to accidents involving railcars can be extremely hazardous to health, the environment, and man-made materials. Since the chlorine is released as a mixture of reactive gas and small (median diameter of 20-100 mu m) aerosols, and the initial cloud has a very high concentration (>10,000 ppm), deposition to the surface can be important. The various mechanisms include dry deposition caused by chemical reactions between the gas and the surface (ground, vegetation, or materials), dry or wet deposition of small aerosols, and gravitational settling and impaction of larger aerosols. The state-of-the art in gas deposition modeling is based on the resistance analogy, which has been widely used in deposition modeling of a variety of air pollutants. The resistance formula is reviewed and it is shown that, even though chlorine is relatively reactive, its deposition may be inhibited by the increased aerodynamic resistance in the very stable cloud. A method is suggested for parameterizing the effect of the dense cloud on the aerodynamic resistance. Deposition measurement methods planned for the Jack Rabbit II (JR II) chlorine release field experiments are reviewed, where up to 10 tons of pressurized liquefied chlorine will be released in several field trials. C1 [Hanna, Steven] Hanna Consultants, 7 Crescent Ave, Kennebunkport, ME 04046 USA. [Chang, Joseph] HSSAI, Falls Church, VA USA. [Hearn, John] Lee Univ, Cleveland, TN USA. [Hicks, Bruce] MetCorps, Norris, TN USA. [Fox, Shannon] Aberdeen Proving Ground, DHS S&T CSAC, Aberdeen, MD USA. [Whitmire, Mark] Noblis, Falls Church, VA USA. [Spicer, Thomas] Univ Arkansas, Fayetteville, AR 72701 USA. [Brown, David] ANL, Argonne, IL USA. [Sohn, Michael] LBNL, Berkeley, CA USA. [Yamada, Tetsuji] YSA, Santa Fe, NM USA. RP Hanna, S (reprint author), Hanna Consultants, 7 Crescent Ave, Kennebunkport, ME 04046 USA. EM hannaconsult@roadrunner.com NR 10 TC 0 Z9 0 U1 0 U2 0 PU SPRINGER INT PUBLISHING AG PI CHAM PA GEWERBESTRASSE 11, CHAM, CH-6330, SWITZERLAND BN 978-3-319-24476-1; 978-3-319-24478-5 J9 SPRINGER PR COMPLEX PY 2016 BP 377 EP 383 DI 10.1007/978-3-319-24478-5_62 PG 7 WC Meteorology & Atmospheric Sciences SC Meteorology & Atmospheric Sciences GA BG9SQ UT WOS:000393786100063 ER PT S AU Kovalevsky, A Blumenthal, DK Cheng, XL Taylor, P Radic, Z AF Kovalevsky, Andrey Blumenthal, Donald K. Cheng, Xiaolin Taylor, Palmer Radic, Zoran BE Laskin, JD Braaten, D TI Limitations in current acetylcholinesterase structure-based design of oxime antidotes for organophosphate poisoning SO COUNTERMEASURES AGAINST CHEMICAL THREATS II SE Annals of the New York Academy of Sciences LA English DT Article; Book Chapter DE acetylcholinesterase; oxime antidote; organophosphate; nucleophilic reactivation; X-ray structure; protein backbone flexibility ID MOUSE ACETYLCHOLINESTERASE; TORPEDO-CALIFORNICA; OMEGA LOOP; COMPLEX; CYS(69)-CYS(96); INHIBITORS; LIGANDS; PROTEIN AB Acetylcholinesterase (AChE; EC 3.1.1.7), an essential enzyme of cholinergic neurotransmission in vertebrates, is a primary target in acute nerve agent and organophosphate (OP) pesticide intoxication. Catalytically inactive OP-AChE conjugates formed between the active-center serine and phosphorus of OPs can, in principle, be reactivated by nucleophilic oxime antidotes. Antidote efficacy is limited by the structural diversity of OP-AChE conjugates resulting from differences in the structure of the conjugated OP, the different active-center volumes they occupy when conjugated to the active-center serine of AChE, and the distinct chemical characteristics of both OPs and oximes documented in numerous X-ray structures of OP-conjugated AChEs. Efforts to improve oxime reactivation efficacy by AChE structure-based enhancement of oxime structure have yielded only limited success. We outline here the potential limitations of available AChE X-ray structures that preclude an accurate prediction of oxime structures, which are necessary for association in the OP-AChE gorge and nucleophilic attack of theOP-conjugated phosphorus. C1 [Kovalevsky, Andrey; Cheng, Xiaolin] Oak Ridge Natl Lab, Oak Ridge, TN USA. [Blumenthal, Donald K.] Univ Utah, Dept Pharmacol & Toxicol, 112 Skaggs Hall, Salt Lake City, UT 84112 USA. [Taylor, Palmer; Radic, Zoran] Univ Calif San Diego, Skaggs Sch Pharm & Pharmaceut Sci, 9500 Gilman Dr, San Diego, CA 92093 USA. RP Radic, Z (reprint author), Univ Calif San Diego, Skaggs Sch Pharm & Pharmaceut Sci, 9500 Gilman Dr, San Diego, CA 92093 USA. EM zradic@ucsd.edu OI Kovalevsky, Andrey/0000-0003-4459-9142 FU NINDS NIH HHS [R21 NS072086, U01 NS083451] NR 15 TC 0 Z9 1 U1 0 U2 0 PU BLACKWELL SCIENCE PUBL PI OXFORD PA OSNEY MEAD, OXFORD OX2 0EL, ENGLAND SN 0077-8923 J9 ANN NY ACAD SCI JI Ann.NY Acad.Sci. PY 2016 VL 1378 BP 41 EP 49 DI 10.1111/nyas.13128 PG 9 WC Chemistry, Applied; Public, Environmental & Occupational Health; Toxicology SC Chemistry; Public, Environmental & Occupational Health; Toxicology GA BG9XR UT WOS:000394087800005 PM 27371941 ER PT S AU Comeron, A Jack, J Kassianov, EI Schafer, K Picard, RH Weber, K AF Comeron, Adolfo Jack, James Kassianov, Evgueni I. Schafer, Kiaus Picard, Richard H. Weber, Konradin BE Comeron, A Kassianov, EI Schafer, K Jack, JW Picard, RH Weber, K TI Remote Sensing of Clouds and the Atmosphere XXI Introduction SO REMOTE SENSING OF CLOUDS AND THE ATMOSPHERE XXI SE Proceedings of SPIE LA English DT Proceedings Paper CT Conference on Remote Sensing of Clouds and the Atmosphere XXI CY SEP 28-29, 2016 CL Edinburgh, SCOTLAND SP SPIE C1 [Comeron, Adolfo] Univ Politecn Cataluna, E-08028 Barcelona, Spain. [Kassianov, Evgueni I.] Pacific Northwest Natl Lab, Richland, WA USA. [Schafer, Kiaus] Karlsruher Inst Technol, Paris, France. RP Comeron, A (reprint author), Univ Politecn Cataluna, E-08028 Barcelona, Spain. NR 0 TC 0 Z9 0 U1 0 U2 0 PU SPIE-INT SOC OPTICAL ENGINEERING PI BELLINGHAM PA 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA SN 0277-786X BN 978-1-5106-0406-3; 978-1-5106-0407-0 J9 PROC SPIE PY 2016 VL 10001 AR UNSP 1000101 PG 1 WC Meteorology & Atmospheric Sciences; Remote Sensing; Optics SC Meteorology & Atmospheric Sciences; Remote Sensing; Optics GA BG7MY UT WOS:000391488200001 ER PT S AU Kassianov, E Flynn, C Barnard, J Ermold, B Berg, L AF Kassianov, Evgueni Flynn, Connor Barnard, James Ermold, Brian Berg, Larry BE Comeron, A Kassianov, EI Schafer, K Jack, JW Picard, RH Weber, K TI New Shortwave Array Spectroradiometer-Hemispheric (SAS-He): Hyperspectral Design and Initial Applications SO REMOTE SENSING OF CLOUDS AND THE ATMOSPHERE XXI SE Proceedings of SPIE LA English DT Proceedings Paper CT Conference on Remote Sensing of Clouds and the Atmosphere XXI CY SEP 28-29, 2016 CL Edinburgh, SCOTLAND SP SPIE DE hyperspectral measurements ground-based measurements; aerosol optical depth; Shortwave Array Spectroradiometer-Hemispheric (SAS-He); Two-Column Aerosol Project (TCAP) ID AEROSOL OPTICAL DEPTH; INSTRUMENT; LAYERS AB Aerosol optical depth (AOD) derived from hyperspectral measurements can serve as an invaluable input for simultaneous retrievals of particle size distributions and major trace gases. The required hyperspectral measurements are provided by a new ground-based radiometer, the so-called Shortwave Array Spectroradiometer-Hemispheric (SAS-He), recently developed with support from the Department of Energy (DOE) Office Atmospheric Radiation Measurement (ARM) Program. The SAS-He has wide spectral coverage (350-1700nm) and high spectral resolution: about 2.4 nm and 6 nm within 350-1000 nm and 970-1700 nm spectral ranges, respectively. To illustrate an initial performance of the SAS-He, we take advantage of integrated dataset collected during the ARM-supported Two-Column Aerosol Project (TCAP) over the US coastal region (Cape Cod, Massachusetts). This dataset includes AODs derived using data from Aerosol Robotic Network (AERONET) sunphotometer and Multi-Filter Rotating Shadowband Radiometer (MFRSR). We demonstrate that, on average, the SAS-He AODs closely match the MFRSR and AERONET AODs in the ultraviolet and visible spectral ranges for this area with highly variable AOD. Also, we discuss corrections of SAS-He total optical depth for gas absorption in the near-infrared spectral range and their operational implementation. C1 [Kassianov, Evgueni; Flynn, Connor; Ermold, Brian; Berg, Larry] Pacific Northwest Natl Lab, Richland, WA 99352 USA. [Barnard, James] Univ Nevada, Reno, NV 89503 USA. RP Kassianov, E (reprint author), Pacific Northwest Natl Lab, Richland, WA 99352 USA. EM Evgueni.Kassianov@pnnl.gov NR 17 TC 0 Z9 0 U1 0 U2 0 PU SPIE-INT SOC OPTICAL ENGINEERING PI BELLINGHAM PA 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA SN 0277-786X BN 978-1-5106-0406-3; 978-1-5106-0407-0 J9 PROC SPIE PY 2016 VL 10001 AR UNSP 100010D DI 10.1117/12.2241203 PG 6 WC Meteorology & Atmospheric Sciences; Remote Sensing; Optics SC Meteorology & Atmospheric Sciences; Remote Sensing; Optics GA BG7MY UT WOS:000391488200010 ER PT S AU Hajibagheri, A Sukthankar, G Lakkaraju, K AF Hajibagheri, Alireza Sukthankar, Gita Lakkaraju, Kiran BE Spiro, E Ahn, YY TI A Holistic Approach for Link Prediction in Multiplex Networks SO SOCIAL INFORMATICS, PT II SE Lecture Notes in Computer Science LA English DT Proceedings Paper CT 8th International Conference on Social Informatics (SocInfo) CY NOV 11-14, 2016 CL Bellevue, WA SP Leidos, Univ Washington, eScience Inst, Facebook, Microsoft Res, MDPI ID WEB AB Networks extracted from social media platforms frequently include multiple types of links that dynamically change over time; these links can be used to represent dyadic interactions such as economic transactions, communications, and shared activities. Organizing this data into a dynamic multiplex network, where each layer is composed of a single edge type linking the same underlying vertices, can reveal interesting cross-layer interaction patterns. In coevolving networks, links in one layer result in an increased probability of other types of links forming between the same node pair. Hence we believe that a holistic approach in which all the layers are simultaneously considered can outperform a factored approach in which link prediction is performed separately in each layer. This paper introduces a comprehensive framework, MLP (Multiplex Link Prediction), in which link existence likelihoods for the target layer are learned from the other network layers. These likelihoods are used to reweight the output of a single layer link prediction method that uses rank aggregation to combine a set of topological metrics. Our experiments show that our reweighting procedure outperforms other methods for fusing information across network layers. C1 [Hajibagheri, Alireza; Sukthankar, Gita] Univ Cent Florida, Orlando, FL 32816 USA. [Lakkaraju, Kiran] Sandia Natl Labs, Albuquerque, NM USA. RP Sukthankar, G (reprint author), Univ Cent Florida, Orlando, FL 32816 USA. EM alireza@eecs.ucf.edu; gitars@eecs.ucf.edu; klakkara@sandia.gov NR 31 TC 0 Z9 0 U1 0 U2 0 PU SPRINGER INT PUBLISHING AG PI CHAM PA GEWERBESTRASSE 11, CHAM, CH-6330, SWITZERLAND SN 0302-9743 BN 978-3-319-47874-6; 978-3-319-47873-9 J9 LECT NOTES COMPUT SC PY 2016 VL 10047 BP 55 EP 70 DI 10.1007/978-3-319-47874-6_5 PG 16 WC Computer Science, Artificial Intelligence; Computer Science, Information Systems SC Computer Science GA BG6RR UT WOS:000390837500005 ER PT S AU Sathanur, AV Halappanavar, M AF Sathanur, Arun V. Halappanavar, Mahantesh BE Spiro, E Ahn, YY TI Influence Maximization on Complex Networks with Intrinsic Nodal Activation SO SOCIAL INFORMATICS, PT II SE Lecture Notes in Computer Science LA English DT Proceedings Paper CT 8th International Conference on Social Informatics (SocInfo) CY NOV 11-14, 2016 CL Bellevue, WA SP Leidos, Univ Washington, eScience Inst, Facebook, Microsoft Res, MDPI DE Complex networks; Influence maximization; Social influence; Self-activation; Centrality; Spectral methods AB In many complex networked systems such as online social networks, at any given time, activity originates at certain nodes and subsequently spreads on the network through influence. Under such scenarios, influencer mining does not involve explicit seeding as in the case of viral marketing. Being an influencer necessitates creating content and disseminating the same to active followers who can then spread the same on the network. In this work, we present a simple probabilistic formulation that models such self-evolving systems where information diffusion occurs primarily because of the intrinsic activity of users and the spread of activity occurs due to influence. We provide an algorithm to mine for the influential seeds in such a scenario by modifying the well-known influence maximization framework with the independent cascade diffusion model. A small example is provided to illustrate how the incorporation of intrinsic and influenced activation mechanisms help us better model the influence dynamics in social networks. Following that, for a larger dataset, we compare the lists of influential users identified by the given formulation with a computationally efficient centrality metric derived from a linear probabilistic model that incorporates self activation. C1 [Sathanur, Arun V.; Halappanavar, Mahantesh] Pacific Northwest Natl Lab, Richland, WA 99352 USA. RP Sathanur, AV (reprint author), Pacific Northwest Natl Lab, Richland, WA 99352 USA. EM arun.sathanur@pnnl.gov NR 15 TC 0 Z9 0 U1 0 U2 0 PU SPRINGER INT PUBLISHING AG PI CHAM PA GEWERBESTRASSE 11, CHAM, CH-6330, SWITZERLAND SN 0302-9743 BN 978-3-319-47874-6; 978-3-319-47873-9 J9 LECT NOTES COMPUT SC PY 2016 VL 10047 BP 133 EP 141 DI 10.1007/978-3-319-47874-6_10 PG 9 WC Computer Science, Artificial Intelligence; Computer Science, Information Systems SC Computer Science GA BG6RR UT WOS:000390837500010 ER PT J AU King, AH AF King, Alexander H. GP IEEE TI When Agendas Align: Critical Materials and Green Electronics SO 2016 ELECTRONICS GOES GREEN 2016+ (EGG) LA English DT Proceedings Paper CT Conference on Electronics Goes Green (EGG) CY SEP 07-09, 2016 CL Berlin, GERMANY SP Fraunhofer Inst Reliabil & Microintegrat IZM, Technische Univ Berlin ID MAGNETS AB Modern electronic devices are constructed using a large palette of materials, some of which are considered "critical," meaning that their supply-chains are tenuous to some degree and they cannot easily be substituted. The rare earth crisis of 2010-'11 brought worldwide attention to the challenge of dealing with critical materials, and resulted in several research programs being created, world wide, to find technological solutions to shortages of essential materials. Some of the approaches used to ensure the supply chains of critical materials are consistent with making electronics greener, some are neutral, and some can run counter to the greening of information devices. Some of the approaches applied to critical materials can also be applied to anacritical materials which are the opposite of critical materials in a particular sense: they are materials that need to be removed from production or eliminated from waste because they are oversupplied or have undesirable traits such as toxicity or contamination of recycle streams. We describe where critical materials strategies and greening strategies coincide, and evaluate the most significant roadblocks to success. C1 [King, Alexander H.] Ames Lab, Crit Mat Inst, Ames, IA 50011 USA. RP King, AH (reprint author), Ames Lab, Crit Mat Inst, Ames, IA 50011 USA. EM alexking@ameslab.gov RI King, Alexander/P-6497-2015 OI King, Alexander/0000-0001-7101-6585 FU Critical Materials Institute, an Energy Innovation Hub - U.S. Department of Energy, Office of Energy Efficiency and Renewable Energy, Advanced Manufacturing Office FX This work is supported by the Critical Materials Institute, an Energy Innovation Hub funded by the U.S. Department of Energy, Office of Energy Efficiency and Renewable Energy, Advanced Manufacturing Office. NR 13 TC 0 Z9 0 U1 2 U2 2 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA BN 978-3-00-053763-9 PY 2016 PG 6 WC GREEN & SUSTAINABLE SCIENCE & TECHNOLOGY; Engineering, Electrical & Electronic SC Science & Technology - Other Topics; Engineering GA BG9QG UT WOS:000393598400021 ER PT S AU Yang, X Jenkins, J Mubarak, M Wang, X Ross, RB Lan, ZL AF Yang, Xu Jenkins, John Mubarak, Misbah Wang, Xin Ross, Robert B. Lan, Zhiling BE Liao, X Lovas, R Shen, X Zheng, R TI Study of Intra- and Interjob Interference on Torus Networks SO 2016 IEEE 22ND INTERNATIONAL CONFERENCE ON PARALLEL AND DISTRIBUTED SYSTEMS (ICPADS) SE International Conference on Parallel and Distributed Systems - Proceedings LA English DT Proceedings Paper CT 22nd IEEE International Conference on Parallel and Distributed Systems (ICPADS) CY DEC 13-16, 2016 CL Wuhan, PEOPLES R CHINA SP IEEE, IEEE Comp Soc, Huazhong Univ Sci & Technol DE HPC systems; Torus; Interference; Job placement ID SYSTEM AB Network contention between concurrently running jobs on HPC systems is a primary cause of performance variability. Optimizing job allocation and avoiding network sharing are hence crucial to alleviate the potential performance degradation. In order to do so effectively, an understanding of the interference among concurrently running jobs, their communication patterns, and contention in the network is required. In this work, we choose three representative HPC applications from the DOE Design Forward Project and conduct detailed simulations on a torus network model to analyze both intra- and interjob interference. By scrutinizing the communication behaviors of these applications, we identify relationships between these behaviors and the possible interference introduced by different job placement policies. Our analyses illuminate a path toward communication pattern awareness in job placement on HPC systems. C1 [Yang, Xu; Wang, Xin; Lan, Zhiling] IIT, Dept Comp Sci, Chicago, IL 60616 USA. [Jenkins, John; Mubarak, Misbah; Ross, Robert B.] Argonne Natl Lab, Math & Comp Sci Div, Argonne, IL 60439 USA. RP Yang, X (reprint author), IIT, Dept Comp Sci, Chicago, IL 60616 USA. EM xyang56@hawk.iit.edu; jenkins@mcs.anl.gov; mmubarak@anl.gov; xwang149@hawk.iit.edu; rross@mcs.anl.gov; lan@iit.edu FU U.S. National Science Foundation [CNS-1320125, CCF-1422009]; U.S. Department of Energy; Office of Science, Advanced Scientific Computing Research [DE-AC020-6CH11357] FX The work at the Illinois Institute of Technology is supported in part by U.S. National Science Foundation grants CNS-1320125 and CCF-1422009. This work is also supported by the U.S. Department of Energy, Office of Science, Advanced Scientific Computing Research, under Contract DE-AC020-6CH11357. NR 27 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 1521-9097 BN 978-1-5090-4457-3 J9 INT C PAR DISTRIB SY PY 2016 BP 239 EP 246 DI 10.1109/ICPADS.2016.38 PG 8 WC Computer Science, Hardware & Architecture SC Computer Science GA BG9GX UT WOS:000393188800031 ER PT S AU Xu, TQ Sato, K Matsuoka, S AF Xu, Tianqi Sato, Kento Matsuoka, Satoshi BE Liao, X Lovas, R Shen, X Zheng, R TI CloudBB: Scalable I/O Accelerator for Shared Cloud Storage SO 2016 IEEE 22ND INTERNATIONAL CONFERENCE ON PARALLEL AND DISTRIBUTED SYSTEMS (ICPADS) SE International Conference on Parallel and Distributed Systems - Proceedings LA English DT Proceedings Paper CT 22nd IEEE International Conference on Parallel and Distributed Systems (ICPADS) CY DEC 13-16, 2016 CL Wuhan, PEOPLES R CHINA SP IEEE, IEEE Comp Soc, Huazhong Univ Sci & Technol DE cloud computing; burst buffer; data-intensive applications AB Current shared cloud storage cannot provide sufficient I/O throughput for data-intensive HPC applications. Moreover, the consistency policy used in most shared cloud storage can cause parallel I/O applications to fail due to unexpected file inconsistencies. In order to resolve these problems, we propose a novel fast, scalable and fault tolerant filesystem called CloudBB (Cloud-based Burst Buffer). Unlike conventional filesystems, CloudBB creates an on-demand two-level hierarchical storage system and caches popular files to accelerate I/O performance. Since CloudBB supports multiple metadata servers, CloudBB is also highly scalable. In addition, by using file replication, failure detection and recovery techniques, CloudBB is resilient to failures. Furthermore, we implement CloudBB by using FUSE so that existing applications can run seamlessly and benefit from all of the CloudBB's capabilities without code modification. To validate the effectiveness of CloudBB, we evaluate performance of real data-intensive HPC applications in Amazon EC2/S3. The results show CloudBB improves performance by up to 28.7 times while reducing cost by up to 94.7% compared to the ones without CloudBB. C1 [Xu, Tianqi] Tokyo Inst Technol, Dept Math & Comp Sci, Meguro Ku, 2-12-1-W8-33, Tokyo 1528552, Japan. [Sato, Kento] Lawrence Livermore Natl Lab, Ctr Appl Sci Comp, Livermore, CA 94551 USA. [Matsuoka, Satoshi] Tokyo Inst Technol, Global Sci Informat & Comp Ctr, Meguro Ku, 2-12-1-W8-33, Tokyo 1528552, Japan. RP Xu, TQ (reprint author), Tokyo Inst Technol, Dept Math & Comp Sci, Meguro Ku, 2-12-1-W8-33, Tokyo 1528552, Japan. EM xu.t.aa@m.titech.ac.jp; kento@llnl.gov; matsu@is.titech.ac.jp FU U.S. Department of Energy by Lawrence Livermore National Laboratory [DE-AC52-07NA27344, LLNL-CONF696937]; JST, CREST; AWS Cloud Credits for Research; National Aeronautics and Space Administration's Earth Science Technology Office; Computation Technologies Project, under Cooperative Agreement [NCC5-626]; California Institute of Technology FX This work was performed under the auspices of the U.S. Department of Energy by Lawrence Livermore National Laboratory under Contract DE-AC52-07NA27344.(LLNL-CONF696937). This research was also partially supported by JST, CREST (Research Area: Advanced Core Technologies for Big Data Integration), and AWS Cloud Credits for Research. This research made use of Montage, funded by the National Aeronautics and Space Administration's Earth Science Technology Office, Computation Technologies Project, under Cooperative Agreement Number NCC5-626 between NASA and the California Institute of Technology. Montage is maintained by the NASA/IPAC Infrared Science Archive. NR 32 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 1521-9097 BN 978-1-5090-4457-3 J9 INT C PAR DISTRIB SY PY 2016 BP 509 EP 518 DI 10.1109/ICPADS.2016.72 PG 10 WC Computer Science, Hardware & Architecture SC Computer Science GA BG9GX UT WOS:000393188800064 ER PT S AU Zheng, S Vishnu, A Ding, C AF Zheng, Shuai Vishnu, Abhinav Ding, Chris BE Liao, X Lovas, R Shen, X Zheng, R TI Accelerating Deep Learning with Shrinkage and Recall SO 2016 IEEE 22ND INTERNATIONAL CONFERENCE ON PARALLEL AND DISTRIBUTED SYSTEMS (ICPADS) SE International Conference on Parallel and Distributed Systems - Proceedings LA English DT Proceedings Paper CT 22nd IEEE International Conference on Parallel and Distributed Systems (ICPADS) CY DEC 13-16, 2016 CL Wuhan, PEOPLES R CHINA SP IEEE, IEEE Comp Soc, Huazhong Univ Sci & Technol DE Deep Learning; Deep Neural Network (DNN); Deep Belief Network (DBN); Convolution Neural Network (CNN) AB Deep Learning is a very powerful machine learning model. Deep Learning trains a large number of parameters for multiple layers and is very slow when data is in large scale and the architecture size is large. Inspired from the shrinking technique used in accelerating computation of Support Vector Machines (SVM) algorithm and screening technique used in LASSO, we propose a shrinking Deep Learning with recall (sDLr) approach to speed up deep learning computation. We experiment shrinking Deep Learning with recall (sDLr) using Deep Neural Network (DNN), Deep Belief Network (DBN) and Convolution Neural Network (CNN) on 4 data sets. Results show that the speedup using shrinking Deep Learning with recall (sDLr) can reach more than 2.0 while still giving competitive classification performance. C1 [Vishnu, Abhinav] Pacific Northwest Natl Lab, Richland, WA USA. [Zheng, Shuai; Ding, Chris] Univ Texas Arlington, Dept Comp Sci & Engn, Arlington, TX 76019 USA. RP Zheng, S (reprint author), Univ Texas Arlington, Dept Comp Sci & Engn, Arlington, TX 76019 USA. EM zhengs123@gmail.com; abhinav.vishnu@pnnl.gov; chqding@uta.edu NR 27 TC 0 Z9 0 U1 1 U2 1 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 1521-9097 BN 978-1-5090-4457-3 J9 INT C PAR DISTRIB SY PY 2016 BP 963 EP 970 DI 10.1109/ICPADS.2016.127 PG 8 WC Computer Science, Hardware & Architecture SC Computer Science GA BG9GX UT WOS:000393188800119 ER PT S AU Siddique, NA Badawy, AHA Cook, J Resnick, D AF Siddique, Nafiul Alam Badawy, Abdel-Hameed A. Cook, Jeanine Resnick, David GP IEEE TI LMStr: Local Memory Store The Case for Hardware Controlled Scratchpad Memory for General Purpose Processors SO 2016 IEEE 35TH INTERNATIONAL PERFORMANCE COMPUTING AND COMMUNICATIONS CONFERENCE (IPCCC) SE IEEE International Performance Computing and Communications Conference (IPCCC) LA English DT Proceedings Paper CT 35th IEEE International Performance Computing and Communications Conference (IPCCC) CY DEC 09-11, 2016 CL Las Vegas, NV SP IEEE AB In this paper, we present a hardware controlled on-chip memory called Local Memory Store (LMStr) that can be used either solely as a scratchpad or as a combination of scratchpad and cache, storing any variable specified by the programmer or extracted by the compiler. LMStr is different than a traditional scratchpad in that it is hardware-controlled and it stores the same type of variables in a block that is allocated based on availability and demand. In this initial work on LMStr, we focus on identifying the potential for LMStr, namely, the advantages of storing temporary and program variables in blocks in LMStr and comparing the performance against a regular cache. To the best of our knowledge, this is the first work where scratchpad has been used in a generalized way where the focus is on storing temporary and programmer specified variables in blocks. We evaluate LMStr on a micro-benchmark and a set of the mini-applications in the mantevo suite. We simulate LMStr in the Structural Simulation Toolkit (SST) simulator. LMStr provides a 10% reduction in average data movement between on-chip and off-chip memory compared to a traditional cache hierarchy. C1 [Siddique, Nafiul Alam; Badawy, Abdel-Hameed A.] New Mexico State Univ, Klipsch Sch Elect & Comp Engn, Las Cruces, NM 88003 USA. [Cook, Jeanine; Resnick, David] Sandia Natl Labs, POB 5800, Albuquerque, NM 87185 USA. RP Siddique, NA (reprint author), New Mexico State Univ, Klipsch Sch Elect & Comp Engn, Las Cruces, NM 88003 USA. EM nafiul@nmsu.edu; badawy@nmsu.edu; jeacook@sandia.gov; drresni@sandia.gov NR 16 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 1097-2641 BN 978-1-5090-5252-3 J9 IEEE IPCCC PY 2016 PG 8 WC Computer Science, Hardware & Architecture; Engineering, Electrical & Electronic; Telecommunications SC Computer Science; Engineering; Telecommunications GA BG9QB UT WOS:000393582600063 ER PT S AU Lee, C Dazen, K Kafle, K Moore, A Johnson, DK Park, S Kim, SH AF Lee, Christopher Dazen, Kevin Kafle, Kabindra Moore, Andrew Johnson, David K. Park, Sunkyu Kim, Seong H. BE Rojas, OJ TI Correlations of Apparent Cellulose Crystallinity Determined by XRD, NMR, IR, Raman, and SFG Methods SO CELLULOSE CHEMISTRY AND PROPERTIES: FIBERS, NANOCELLULOSES AND ADVANCED MATERIALS SE Advances in Polymer Science LA English DT Review; Book Chapter DE X-ray diffraction; Sum frequency generation spectroscopy; Infrared spectroscopy; Raman spectroscopy; Nuclear magnetic resonance; Crystallinity index; Wood pulp ID PLANT-CELL WALLS; NUCLEAR-MAGNETIC-RESONANCE; NEUTRON FIBER DIFFRACTION; HYDROGEN-BONDING SYSTEM; X-RAY-DIFFRACTION; VIBRATION SPECTROSCOPY; NATIVE CELLULOSES; VISUALIZATION; MICROFIBRILS; POLYMORPHISM AB Although the cellulose crystallinity index (CI) is used widely, its limitations have not been adequately described. In this study, the CI values of a set of reference samples were determined from X-ray diffraction (XRD), nuclear magnetic resonance (NMR), and infrared (IR), Raman, and vibrational sum frequency generation (SFG) spectroscopies. The intensities of certain crystalline peaks in IR, Raman, and SFG spectra positively correlated with the amount of crystalline cellulose in the sample, but the correlation with XRD was nonlinear as a result of fundamental differences in detection sensitivity to crystalline cellulose and improper baseline corrections for amorphous contributions. It is demonstrated that the intensity and shape of the XRD signal is affected by both the amount of crystalline cellulose and crystal size, which makes XRD analysis complicated. It is clear that the methods investigated show the same qualitative trends for samples, but the absolute CI values differ depending on the determination method. This clearly indicates that the CI, as estimated by different methods, is not an absolute value and that for a given set of samples the CI values can be compared only as a qualitative measure. C1 [Lee, Christopher; Dazen, Kevin; Kafle, Kabindra; Kim, Seong H.] Penn State Univ, Dept Chem Engn, University Pk, PA 16802 USA. [Lee, Christopher; Dazen, Kevin; Kafle, Kabindra; Kim, Seong H.] Penn State Univ, Mat Res Inst, University Pk, PA 16802 USA. [Moore, Andrew; Park, Sunkyu] North Carolina State Univ, Dept Forest Biomat, Raleigh, NC 27695 USA. [Johnson, David K.] Natl Renewable Energy Lab, 15013 Denver West Pkwy, Golden, CO 80401 USA. RP Kim, SH (reprint author), Penn State Univ, Dept Chem Engn, University Pk, PA 16802 USA.; Kim, SH (reprint author), Penn State Univ, Mat Res Inst, University Pk, PA 16802 USA.; Park, S (reprint author), North Carolina State Univ, Dept Forest Biomat, Raleigh, NC 27695 USA. EM spark@ncsu.edu; shkim@engr.psu.edu NR 53 TC 1 Z9 1 U1 1 U2 1 PU SPRINGER-VERLAG BERLIN PI BERLIN PA HEIDELBERGER PLATZ 3, D-14197 BERLIN, GERMANY SN 0065-3195 BN 978-3-319-26015-0; 978-3-319-26013-6 J9 ADV POLYM SCI JI Adv. Polym. Sci. PY 2016 VL 271 BP 115 EP 131 DI 10.1007/12_2015_320 D2 10.1007/978-3-319-26015-0 PG 17 WC Materials Science, Biomaterials; Polymer Science SC Materials Science; Polymer Science GA BG9PQ UT WOS:000393564800005 ER PT J AU Beal, J Cox, RS Grunberg, R McLaughlin, J Nguyen, T Bartley, B Bissell, M Choi, K Clancy, K Macklin, C Madsen, C Misirli, G Oberortner, E Pocock, M Roehner, N Samineni, M Zhang, M Zhang, Z Zundel, Z Gennari, JH Myers, C Sauro, H Wipat, A AF Beal, Jacob Cox, Robert Sidney, III Grunberg, Raik McLaughlin, James Nguyen, Tramy Bartley, Bryan Bissell, Michael Choi, Kiri Clancy, Kevin Macklin, Chris Madsen, Curtis Misirli, Goksel Oberortner, Ernst Pocock, Matthew Roehner, Nicholas Samineni, Meher Zhang, Michael Zhang, Zhen Zundel, Zach Gennari, John H. Myers, Chris Sauro, Herbert Wipat, Anil TI Synthetic Biology Open Language (SBOL) Version 2.1.0 SO JOURNAL OF INTEGRATIVE BIOINFORMATICS LA English DT Article ID CONSTRUCTION AB Synthetic biology builds upon the techniques and successes of genetics, molecular biology, and metabolic engineering by applying engineering principles to the design of biological systems. The field still faces substantial challenges, including long development times, high rates of failure, and poor reproducibility. One method to ameliorate these problems would be to improve the exchange of information about designed systems between laboratories. The Synthetic Biology Open Language (SBOL) has been developed as a standard to support the specification and exchange of biological design information in synthetic biology, filling a need not satisfied by other pre-existing standards. This document details version 2.1 of SBOL that builds upon version 2.0 published in last year's JIB special issue. In particular, SBOL 2.1 includes improved rules for what constitutes a valid SBOL document, new role fields to simplify the expression of sequence features and how components are used in context, and new best practices descriptions to improve the exchange of basic sequence topology information and the description of genetic design provenance, as well as miscellaneous other minor improvements. C1 [Beal, Jacob] Raytheon BBN Technol, Cambridge, MA 02138 USA. [Cox, Robert Sidney, III] Kobe Univ, Kobe, Hyogo, Japan. [Grunberg, Raik] King Abdullah Univ Sci & Technol, Thuwal, Saudi Arabia. [McLaughlin, James; Misirli, Goksel; Wipat, Anil] Newcastle Univ, Newcastle Upon Tyne, Tyne & Wear, England. [Nguyen, Tramy; Samineni, Meher; Zhang, Michael; Zundel, Zach; Myers, Chris] Univ Utah, Salt Lake City, UT 84112 USA. [Bartley, Bryan; Choi, Kiri; Gennari, John H.; Sauro, Herbert] Univ Washington, Seattle, WA 98195 USA. [Bissell, Michael; Macklin, Chris] Amyris Inc, Emeryville, CA USA. [Clancy, Kevin] ThermoFisher Sci, Waltham, MA USA. [Madsen, Curtis; Roehner, Nicholas] Boston Univ, Boston, MA 02215 USA. [Oberortner, Ernst] DOE Joint Genome Inst, Walnut Creek, CA USA. [Pocock, Matthew] Turing Ate My Hamster LTD, Backworth, Tyne & Wear, England. [Zhang, Zhen] Univ S Florida, Tampa, FL USA. RP Beal, J (reprint author), Raytheon BBN Technol, Cambridge, MA 02138 USA. NR 9 TC 1 Z9 1 U1 1 U2 1 PU IMBIO E V PI BIELEFELD PA FAC TECHNOLOGY, BIELEFELD UNIV, BIELEFELD, 00000, GERMANY SN 1613-4516 J9 J INTEGR BIOINFORMAT JI J. Integr. Bioinformatics PY 2016 VL 13 IS 3 SI SI AR 291 DI 10.2390/biecoll-jib-2016-291 PG 103 WC Mathematical & Computational Biology SC Mathematical & Computational Biology GA EJ7IC UT WOS:000393394000003 PM 28187407 ER PT J AU An, SJ Li, JL Sheng, Y Daniel, C Wood, DL AF An, Seong Jin Li, Jianlin Sheng, Yangping Daniel, Claus Wood, David L., III TI Long-Term Lithium-Ion Battery Performance Improvement via Ultraviolet Light Treatment of the Graphite Anode SO JOURNAL OF THE ELECTROCHEMICAL SOCIETY LA English DT Article ID SOLID-ELECTROLYTE INTERPHASE; COMMON NATURAL GRAPHITE; ELECTROCHEMICAL PERFORMANCE; CARBON NANOTUBES; LI; SURFACE; SEI; CHEMISTRY; OXIDATION; MORPHOLOGY AB Effects of ultraviolet (UV) light on dried graphite anodes were investigated in terms of the cycle life of lithium ion batteries. The time variations for the UV treatment were 0 (no treatment), 20, 40, and 60 minutes. UV-light-treated graphite anodes were assembled for cycle life tests in pouch cells with pristine Li1.02Ni0.50Mn0.29Co0.19O2 (NMC 532) cathodes. UV treatment for 40 minutes resulted in the highest capacity retention and the lowest resistance after the cycle life testing. X-ray photoelectron spectroscopy (XPS) and contact angle measurements on the graphite anodes showed changes in surface chemistry and wetting after the UV treatment. XPS also showed increases in solvent products and decreases in salt products on the SEI surface when UV-treated anodes were used. The thickness of the surface films and their compositions on the anodes and cathodes were also estimated using survey scans and snapshots from XPS depth profiles. (C) The Author(s) 2016. Published by ECS. This is an open access article distributed under the terms of the Creative Commons Attribution 4.0 License (CC BY, http://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse of the work in any medium, provided the original work is properly cited. All rights reserved. C1 [An, Seong Jin; Li, Jianlin; Sheng, Yangping; Daniel, Claus; Wood, David L., III] Oak Ridge Natl Lab, Energy & Transportat Sci Div, Oak Ridge, TN 37831 USA. [An, Seong Jin; Daniel, Claus; Wood, David L., III] Univ Tennessee, Bredesen Ctr Interdisciplinary Res & Grad Educ, Knoxville, TN 37996 USA. RP Wood, DL (reprint author), Oak Ridge Natl Lab, Energy & Transportat Sci Div, Oak Ridge, TN 37831 USA.; Wood, DL (reprint author), Univ Tennessee, Bredesen Ctr Interdisciplinary Res & Grad Educ, Knoxville, TN 37996 USA. EM wooddl@ornl.gov OI Wood, David/0000-0002-2471-4214 FU U.S. Department of Energy (DOE), Office of Energy Efficiency and Renewable Energy (EERE) Vehicle Technologies Office (VTO) Applied Battery Research subprogram [DE-AC05-00OR22725] FX This material is based upon work supported by the U.S. Department of Energy (DOE), Office of Energy Efficiency and Renewable Energy (EERE) Vehicle Technologies Office (VTO) (Deputy Director: David Howell) Applied Battery Research subprogram (Program Manager: Peter Faguy) under contract DE-AC05-00OR22725. NR 38 TC 1 Z9 1 U1 11 U2 11 PU ELECTROCHEMICAL SOC INC PI PENNINGTON PA 65 SOUTH MAIN STREET, PENNINGTON, NJ 08534 USA SN 0013-4651 EI 1945-7111 J9 J ELECTROCHEM SOC JI J. Electrochem. Soc. PY 2016 VL 163 IS 14 BP A2866 EP A2875 DI 10.1149/2.0171614jes PG 10 WC Electrochemistry; Materials Science, Coatings & Films SC Electrochemistry; Materials Science GA EK3TV UT WOS:000393852200004 ER PT J AU Brady, NW Zhang, Q Knehr, KW Liu, P Marschilok, AC Takeuchi, KJ Takeuchi, ES West, AC AF Brady, Nicholas W. Zhang, Qing Knehr, K. W. Liu, Ping Marschilok, Amy C. Takeuchi, Kenneth J. Takeuchi, Esther S. West, Alan C. TI Discharge, Relaxation, and Charge Model for the Lithium Trivanadate Electrode: Reactions, Phase Change, and Transport SO JOURNAL OF THE ELECTROCHEMICAL SOCIETY LA English DT Article ID V3O8 SECONDARY BATTERIES; ION BATTERIES; INSERTION; LIFEPO4; ENERGY; TRANSITION; KINETICS; BEHAVIOR; OXIDES; FEPO4 AB The electrochemical behavior of lithium trivanadate (LiV3O8) during lithiation, delithiation, and voltage recovery experiments is simulated using a crystal-scale model that accounts for solid-state diffusion, charge-transfer kinetics, and phase transformations. The kinetic expression for phase change was modeled using an approach inspired by the Avrami formulation for nucleation and growth. Numerical results indicate that the solid-state diffusion coefficient of lithium in LiV3O8 is similar to 10(-13) cm(2) s(-1) and the equilibrium compositions in the two phase region (similar to 2.5 V) are Li2.5V3O8:Li4V3O8. Agreement between the simulated and experimental results is excellent. Relative to the lithiation curves, the experimental delithiation curves show significantly less overpotential at low levels of lithiation (end of charge). Simulations are only able to capture this result by assuming that the solid-state mass-transfer resistance is less during delithiation. The proposed rationale for this difference is that the (100) face is inactive during lithiation, but active during delithiation. Finally, by assuming non-instantaneous phase-change kinetics, estimates are made for the overpotential due to imperfect phase change (supersaturation). (C) The Author(s) 2016. Published by ECS. This is an open access article distributed under the terms of the Creative Commons Attribution Non-Commercial No Derivatives 4.0 License (CC BY-NC-ND, http://creativecommons.org/licenses/by-nc-nd/4.0/), which permits non-commercial reuse, distribution, and reproduction in any medium, provided the original work is not changed in any way and is properly cited. For permission for commercial reuse, please email:oa@electrochem.org. All rights reserved. C1 [Brady, Nicholas W.; Knehr, K. W.; West, Alan C.] Columbia Univ, Dept Chem Engn, New York, NY 10027 USA. [Zhang, Qing; Marschilok, Amy C.; Takeuchi, Kenneth J.; Takeuchi, Esther S.] SUNY Stony Brook, Dept Chem, Stony Brook, NY 11794 USA. [Liu, Ping; Takeuchi, Esther S.] Brookhaven Natl Lab, Energy Sci Directorate, Upton, NY 11973 USA. [Marschilok, Amy C.; Takeuchi, Kenneth J.; Takeuchi, Esther S.] SUNY Stony Brook, Dept Mat Sci & Engn, Stony Brook, NY 11794 USA. [West, Alan C.] Columbia Univ, Dept Earth & Environm Engn, New York, NY 10027 USA. RP West, AC (reprint author), Columbia Univ, Dept Chem Engn, New York, NY 10027 USA.; West, AC (reprint author), Columbia Univ, Dept Earth & Environm Engn, New York, NY 10027 USA. EM acw7@columbia.edu FU Center for Mesoscale Transport Properties, an Energy Frontier Research Center - U.S. Department of Energy (DOE), Office of Science, Basic Energy Sciences (BES) [DE-SC0012673]; DOE-BES User Facility Division [DE-SC0012704]; Brookhaven National Laboratory [DE-SC0012704]; National Science Foundation Graduate Research Fellowship [1144155] FX The research was supported by the Center for Mesoscale Transport Properties, an Energy Frontier Research Center supported by the U.S. Department of Energy (DOE), Office of Science, Basic Energy Sciences (BES), under award #DE-SC0012673. Microscopy conducted at the Center for Functional Nanomaterials at Brookhaven National Laboratory was supported by DOE-BES User Facility Division, under Contract No. DE-SC0012704. The DFT calculations were performed using computational resources at the Center for Functional Nanomaterials, a user facility at Brookhaven National Laboratory, under Contract No DE-SC0012704. K. W. K. greatly acknowledges the support of the National Science Foundation Graduate Research Fellowship under grant No. 1144155. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation. NR 40 TC 0 Z9 0 U1 2 U2 2 PU ELECTROCHEMICAL SOC INC PI PENNINGTON PA 65 SOUTH MAIN STREET, PENNINGTON, NJ 08534 USA SN 0013-4651 EI 1945-7111 J9 J ELECTROCHEM SOC JI J. Electrochem. Soc. PY 2016 VL 163 IS 14 BP A2890 EP A2898 DI 10.1149/2.0341614jes PG 9 WC Electrochemistry; Materials Science, Coatings & Films SC Electrochemistry; Materials Science GA EK3TV UT WOS:000393852200007 ER PT J AU Fan, FY Pan, MS Lau, KC Assary, RS Woodford, WH Curtiss, LA Carter, WC Chiang, YM AF Fan, Frank Y. Pan, Menghsuan Sam Lau, Kah Chun Assary, Rajeev S. Woodford, William H. Curtiss, Larry A. Carter, W. Craig Chiang, Yet-Ming TI Solvent Effects on Polysulfide Redox Kinetics and Ionic Conductivity in Lithium-Sulfur Batteries SO JOURNAL OF THE ELECTROCHEMICAL SOCIETY LA English DT Article ID GLASSY-CARBON ELECTRODES; AUGMENTED-WAVE METHOD; ENERGY-STORAGE; ACTIVATION; DENSITY; CELL AB Lithium-sulfur (Li-S) batteries have high theoretical energy density and low raw materials cost compared to present lithium-ion batteries and are thus promising for use in electric transportation and other applications. A major obstacle for Li-S batteries is low rate capability, especially at the low electrolyte/sulfur (E/S) ratios required for high energy density. Herein, we investigate several potentially rate-limiting factors for Li-S batteries. We study the ionic conductivity of lithium polysulfide solutions of varying concentration and in different ether-based solvents and their exchange current density on glassy carbon working electrodes. We believe this is the first such investigation of exchange current density for lithium polysulfide in solution. Exchange current densities are measured using both electrochemical impedance spectroscopy and steady-state galvanostatic polarization. In the range of interest (1-8 M [S]), the ionic conductivity monotonically decreases with increasing sulfur concentration while exchange current density shows a more complicated relationship to sulfur concentration. The electrolyte solvent dramatically affects ionic conductivity and exchange current density. The measured ionic conductivities and exchange current densities are also used to interpret the overpotential and rate capability of polysulfide-nanocarbon suspensions; this analysis demonstrates that ionic conductivity is the rate-limiting property in the solution regime (i.e. between Li2S8 and Li2S4). (C) The Author(s) 2016. Published by ECS. This is an open access article distributed under the terms of the Creative Commons Attribution 4.0 License (CC BY, http://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse of the work in any medium, provided the original work is properly cited. All rights reserved. C1 [Fan, Frank Y.; Pan, Menghsuan Sam; Carter, W. Craig; Chiang, Yet-Ming] MIT, Dept Mat Sci & Engn, Cambridge, MA 02139 USA. [Lau, Kah Chun] Calif State Univ Northridge, Dept Phys & Astron, Northridge, CA 91330 USA. [Assary, Rajeev S.; Curtiss, Larry A.] Argonne Natl Lab, Div Mat Sci, 9700 S Cass Ave, Argonne, IL 60439 USA. [Woodford, William H.] 24M Technol, Cambridge, MA 02139 USA. RP Chiang, YM (reprint author), MIT, Dept Mat Sci & Engn, Cambridge, MA 02139 USA. EM ychiang@mit.edu FU Joint Center for Energy Storage Research, an Energy Innovation Hub - U. S. Department of Energy, Office of Science, Basic Energy Sciences FX The authors thank Dr. Ahmed Helal for experimental assistance. This work was supported as part of the Joint Center for Energy Storage Research, an Energy Innovation Hub funded by the U. S. Department of Energy, Office of Science, Basic Energy Sciences. NR 26 TC 0 Z9 0 U1 5 U2 5 PU ELECTROCHEMICAL SOC INC PI PENNINGTON PA 65 SOUTH MAIN STREET, PENNINGTON, NJ 08534 USA SN 0013-4651 EI 1945-7111 J9 J ELECTROCHEM SOC JI J. Electrochem. Soc. PY 2016 VL 163 IS 14 BP A3111 EP A3116 DI 10.1149/2.1181614jes PG 6 WC Electrochemistry; Materials Science, Coatings & Films SC Electrochemistry; Materials Science GA EK3TV UT WOS:000393852200034 ER PT J AU Kim, SU Srinivasan, V AF Kim, Sun Ung Srinivasan, Venkat TI A Method for Estimating Transport Properties of Concentrated Electrolytes from Self-Diffusion Data SO JOURNAL OF THE ELECTROCHEMICAL SOCIETY LA English DT Article ID MOLECULAR-DYNAMICS SIMULATIONS; MAXWELL-STEFAN DIFFUSION; MULTICOMPONENT DIFFUSION; BATTERY ELECTROLYTES; PROPYLENE CARBONATE; BINARY-SOLUTIONS; N-ALKANES; COEFFICIENTS; NMR; POLARIZATION AB A theoretical method is introduced that calculates the electrolyte-transport properties using Onsager-Stefan-Maxwell (OSM) theory (concentrated-solution theory) and the generalized-Darken relation. OSM theory is used to relate binary diffusivities to the transport properties of the electrolyte, including transference number, ionic conductivity, and Fickian diffusivity. The generalized-Darken relation is proposed to calculate the binary diffusivities of multicomponent systems from self-diffusivities. Finally, an example is demonstrated to show the details of how this method can be used to estimate transport properties. The calculated properties were reasonably close to the previously reported experimental values. (C) The Author(s) 2016. Published by ECS. This is an open access article distributed under the terms of the Creative Commons Attribution 4.0 License (CC BY, http://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse of the work in any medium, provided the original work is properly cited. All rights reserved. C1 [Kim, Sun Ung; Srinivasan, Venkat] Lawrence Berkeley Natl Lab, Joint Ctr Energy Storage Res, Berkeley, CA 94720 USA. [Kim, Sun Ung] Robert Bosch LLC, Res & Technol Ctr, Palo Alto, CA 94304 USA. RP Kim, SU (reprint author), Lawrence Berkeley Natl Lab, Joint Ctr Energy Storage Res, Berkeley, CA 94720 USA. EM sunung1979@gmail.com FU the Joint Center for Energy Storage Research, an Energy Innovation Hub - U.S. Department of Energy (DOE), Office of Science, Basic Energy Sciences (BES) FX This work was supported as part of the Joint Center for Energy Storage Research, an Energy Innovation Hub funded by the U.S. Department of Energy (DOE), Office of Science, Basic Energy Sciences (BES). NR 39 TC 0 Z9 0 U1 0 U2 0 PU ELECTROCHEMICAL SOC INC PI PENNINGTON PA 65 SOUTH MAIN STREET, PENNINGTON, NJ 08534 USA SN 0013-4651 EI 1945-7111 J9 J ELECTROCHEM SOC JI J. Electrochem. Soc. PY 2016 VL 163 IS 14 BP A2977 EP A2980 DI 10.1149/2.0541614jes PG 4 WC Electrochemistry; Materials Science, Coatings & Films SC Electrochemistry; Materials Science GA EK3TV UT WOS:000393852200018 ER PT J AU Long, BR Rinaldo, SG Gallagher, KG Dees, DW Trask, SE Polzin, BJ Jansen, AN Abraham, DP Bloom, I Bareno, J Croyz, JR AF Long, Brandon R. Rinaldo, Steven G. Gallagher, Kevin G. Dees, Dennis W. Trask, Stephen E. Polzin, Bryant J. Jansen, Andrew N. Abraham, Daniel P. Bloom, Ira Bareno, Javier Croyz, Jason R. TI Enabling High-Energy, High-Voltage Lithium-Ion Cells: Standardization of Coin-Cell Assembly, Electrochemical Testing, and Evaluation of Full Cells SO JOURNAL OF THE ELECTROCHEMICAL SOCIETY LA English DT Article ID HIGH-POWER; BATTERIES; ELECTRODE AB Coin-cells are often the test format of choice for laboratories engaged in battery research and development as they provide a convenient platform for rapid testing of new materials on a small scale. However, reliable, reproducible data via the coin-cell format is inherently difficult, particularly in the full-cell configuration. In addition, statistical evaluation to prove the consistency and reliability of such data is often neglected. Herein we report on several studies aimed at formalizing physical process parameters and coin-cell construction related to full cells. Statistical analysis and performance benchmarking approaches are advocated as a means to more confidently track changes in cell performance. We show that trends in the electrochemical data obtained from coin-cells can be reliable and informative when standardized approaches are implemented in a consistent manner. (C) 2016 The Electrochemical Society. All rights reserved. C1 [Long, Brandon R.; Rinaldo, Steven G.; Gallagher, Kevin G.; Dees, Dennis W.; Trask, Stephen E.; Polzin, Bryant J.; Jansen, Andrew N.; Abraham, Daniel P.; Bloom, Ira; Bareno, Javier; Croyz, Jason R.] Argonne Natl Lab, Chem Sci & Engn Div, Argonne, IL 60439 USA. RP Croyz, JR (reprint author), Argonne Natl Lab, Chem Sci & Engn Div, Argonne, IL 60439 USA. EM croy@anl.gov FU Vehicle Technologies Office (VTO); Hybrid Electric Systems Program; Battery RD; U.S. Department of Energy, Office of Energy Efficiency and Renewable Energy; VTO within the Applied Battery Research (ABR) for Transportation Program; U.S. Department of EnergyOffice of Science laboratory [DE-AC02- 06CH11357] FX Support from the Vehicle Technologies Office (VTO), Hybrid Electric Systems Program, David Howell (Manager), Battery R&D, Peter Faguy (Technology Manager), at the U.S. Department of Energy, Office of Energy Efficiency and Renewable Energy, is gratefully acknowledged. The CAMP Facility is fully supported by the VTO within the core funding of the Applied Battery Research (ABR) for Transportation Program. The submitted manuscript has been created by UChicago Argonne, LLC, Operator of Argonne National Laboratory ("Argonne"). Argonne, a U.S. Department of EnergyOffice of Science laboratory, is operated under Contract No. DE-AC02- 06CH11357. NR 17 TC 0 Z9 0 U1 1 U2 1 PU ELECTROCHEMICAL SOC INC PI PENNINGTON PA 65 SOUTH MAIN STREET, PENNINGTON, NJ 08534 USA SN 0013-4651 EI 1945-7111 J9 J ELECTROCHEM SOC JI J. Electrochem. Soc. PY 2016 VL 163 IS 14 BP A2999 EP A3009 DI 10.1149/2.0691614jes PG 11 WC Electrochemistry; Materials Science, Coatings & Films SC Electrochemistry; Materials Science GA EK3TV UT WOS:000393852200022 ER PT J AU Mao, WF Ai, G Dai, YL Fu, YB Song, XY Lopez, H Battaglia, V AF Mao, Wenfeng Ai, Guo Dai, Yiling Fu, Yanbao Song, Xingyun Lopez, Herman Battaglia, Vincent TI Nature of the Impedance at Low States of Charge for High-Capacity, Lithium and Manganese-Rich Cathode Materials SO JOURNAL OF THE ELECTROCHEMICAL SOCIETY LA English DT Article ID ION BATTERIES; VOLTAGE FADE; ELECTROCHEMICAL IMPEDANCE; RECHARGEABLE BATTERIES; DIFFUSION-COEFFICIENT; SULFUR BATTERIES; LI; ELECTRODE; PERFORMANCE; DISCHARGE AB High-capacity, lithium and manganese-rich cathodes (HCMR) have aroused great interest in their application in lithium-ion batteries (LIBs) due to their high coulombic capacites and low cost. However, its commercial application has been hindered by various fundamental and practical challenges. In this paper, one of those challenges, the source of the high impedance at low states of charge (SOC) is investigated via electrochemical impedance spectroscopic (EIS) measurements of four different HCMR materials. It is found that the property of both solid state lithium diffusion and charge transfer make significant and comparable contributions to the impedance rise between 3.3 V and 3.7 V; while below 3.3 V, the charge transfer kinetics improve and offset the continuous impedance rise attributed to solid state lithium diffusion. Estimates of the exchange current densities and diffusion coefficients at various SOCs are provided. Methods aimed both at enhancing the solid state lithium diffusion process and the exchange current density should be targeted to promote the commercialization of HCMR. (C) 2016 The Electrochemical Society. All rights reserved. C1 [Mao, Wenfeng; Dai, Yiling; Fu, Yanbao; Song, Xingyun; Battaglia, Vincent] Lawrence Berkeley Natl Lab, Energy Technol Area, Energy Storage & Distributed Resources Div, Berkeley, CA 94720 USA. [Mao, Wenfeng] Guangzhou Automobile Grp Co Ltd, Automot Engn Inst, Guangzhou 511434, Guangdong, Peoples R China. [Ai, Guo] Minist Ind & Informat Technol, Sci & Technol Reliabil Phys & Applicat Elect Comp, Elect Res Inst 5, Guangzhou 510610, Guangdong, Peoples R China. [Lopez, Herman] Envia Syst Inc, Newark, CA 94560 USA. RP Battaglia, V (reprint author), Lawrence Berkeley Natl Lab, Energy Technol Area, Energy Storage & Distributed Resources Div, Berkeley, CA 94720 USA. EM vsbattaglia@lbl.gov FU Energy Efficiency and Renewable Energy, Vehicle Technologies Office, of the U. S. Department of Energy under the Advanced Battery Materials Research (BMR) Program [DE-AC0205CH11231]; National Natural Science Foundation of China [51602058] FX This work was supported by the Assistant Secretary for Energy Efficiency and Renewable Energy, Vehicle Technologies Office, of the U. S. Department of Energy under Contract No. DE-AC0205CH11231, under the Advanced Battery Materials Research (BMR) Program. Guo Ai is supported by the National Natural Science Foundation of China (No. 51602058). The SEM images were taken at the National Centre for Electron Microscopy at Lawrence Berkeley National Laboratory. NR 32 TC 0 Z9 0 U1 2 U2 2 PU ELECTROCHEMICAL SOC INC PI PENNINGTON PA 65 SOUTH MAIN STREET, PENNINGTON, NJ 08534 USA SN 0013-4651 EI 1945-7111 J9 J ELECTROCHEM SOC JI J. Electrochem. Soc. PY 2016 VL 163 IS 14 BP A3091 EP A3098 DI 10.1149/2.1011614jes PG 8 WC Electrochemistry; Materials Science, Coatings & Films SC Electrochemistry; Materials Science GA EK3TV UT WOS:000393852200032 ER PT J AU Mehrabadi, BAT Weidner, JW Garcia-Diaz, B Martinez-Rodriguez, M Olson, L Shimpalee, S AF Mehrabadi, Bahareh Alsadat Tavakoli Weidner, John W. Garcia-Diaz, Brenda Martinez-Rodriguez, Michael Olson, Luke Shimpalee, Sirivatch TI Multidimensional Modeling of Nickel Alloy Corrosion inside High Temperature Molten Salt Systems SO JOURNAL OF THE ELECTROCHEMICAL SOCIETY LA English DT Article ID CHROMIUM; METALS; FLINAK AB One challenge with concentrated solar power (CSP) systems is the potential corrosion of the alloys in the receivers and heat exchangers at high-temperature (700-1000 degrees C), which leads to a reduction of heat transfer efficiency and influences the systems durability. In this work, a corrosion model has been developed to predict the rates and mechanisms for corrosion of a nickel-based alloy that is in contact with a molten salt heat transfer system. In addition to accounting for heat and mass transfer effects on the corrosion, the model takes into account the electrochemical kinetics. Coupled with computational fluid dynamics (CFD), the local electrochemical environment and corrosion rates in a high-temperature molten salt system can be predicted. The kinetic, heat and mass transfer parameters used in the model are based on experimental studies conducted in a thermosiphon. The immersion cell was designed to expose coupons to the molten salt at isothermal or non-isothermal conditions between 700-1000 degrees C. The model can predict the effect of thermal gradients between the top and the bottom of the reactor which induce natural convection of the molten salt. The model has been validated against experimental results at different isothermal and non-isothermal conditions and good agreement has been achieved between the model predictions of the corrosion rates and corrosion potentials with the experimental observations. (C) 2016 The Electrochemical Society. All rights reserved. C1 [Mehrabadi, Bahareh Alsadat Tavakoli; Weidner, John W.; Shimpalee, Sirivatch] Univ South Carolina, Dept Chem Engn, Columbia, SC 29203 USA. [Garcia-Diaz, Brenda; Martinez-Rodriguez, Michael; Olson, Luke] Savannah River Natl Lab, Mat Sci & Technol, Aiken, SC 29808 USA. RP Shimpalee, S (reprint author), Univ South Carolina, Dept Chem Engn, Columbia, SC 29203 USA. EM shimpale@cec.sc.edu FU DOE EERE SunShot Initiative; University of South Carolina-Center for Fuel Cells; CD-adapco group FX The authors gratefully acknowledge the financial support for this work by the DOE EERE SunShot Initiative (grant #: Garcia-Diaz_A) under a subcontract from SRNL to the University of South Carolina. The authors would also like to thank the University of South Carolina-Center for Fuel Cells and CD-adapco group for their support. The authors also thank Cody Wilkins for his comments. NR 25 TC 0 Z9 0 U1 2 U2 2 PU ELECTROCHEMICAL SOC INC PI PENNINGTON PA 65 SOUTH MAIN STREET, PENNINGTON, NJ 08534 USA SN 0013-4651 EI 1945-7111 J9 J ELECTROCHEM SOC JI J. Electrochem. Soc. PY 2016 VL 163 IS 14 BP C830 EP C838 DI 10.1149/2.0411614jes PG 9 WC Electrochemistry; Materials Science, Coatings & Films SC Electrochemistry; Materials Science GA EK3TV UT WOS:000393852200059 ER PT J AU Chung, HT Choe, YK Martinez, U Dumont, JH Mohanty, A Bae, C Matanovic, I Kim, YS AF Chung, Hoon Taek Choe, Yoong-Kee Martinez, Ulises Dumont, Joseph H. Mohanty, Angela Bae, Chulsung Matanovic, Ivana Kim, Yu Seung TI Effect of Organic Cations on Hydrogen Oxidation Reaction of Carbon Supported Platinum SO JOURNAL OF THE ELECTROCHEMICAL SOCIETY LA English DT Article ID DENSITY-FUNCTIONAL THEORY; TOTAL-ENERGY CALCULATIONS; AUGMENTED-WAVE METHOD; OXYGEN REDUCTION; DOUBLE-LAYER; FUEL-CELLS; BASIS-SET; ALKALINE; ADSORPTION; INTERFACE AB Effect of organic cations on hydrogen oxidation reaction (HOR) of carbon supported platinum (Pt/C) is investigated using three 0.1 M alkaline electrolytes, tetramethylammonium hydroxide (TMAOH), tetrabutylammonium hydroxide (TBAOH) and tetrabutylphosphonium hydroxide (TBPOH). Rotating disk electrode experiments indicate that the HOR of Pt/C is adversely impacted by time-dependent and potential-driven chemisorption of organic cations. In-situ infrared reflection adsorption spectroscopy experiments indicated that the specific chemisorption of organic cations drives the hydroxide co-adsorption on Pt surface. The co-adsorption of TMA(+) and hydroxide at 0.1 V vs. reversible hydrogen electrode is the strongest; consequently, complete removal of the co-adsorbed layer from Pt surface is difficult even after exposure the Pt surface to 1.2 V. Conversely, the chemisorption of TBP+ is the weakest, yet notable decrease of HOR current density is still observed. The adsorption energies, Delta E, for TMA(+), TBA(+), and TBP+ on Pt (111) surface from density functional theory are computed to be -2.79, -2.42 and -2.00 eV, respectively. The relatively low adsorption energy of TBP+ is explained by the steric hindrance and electronic effect. This study emphasizes the importance of cationic group on HOR activity of alkaline anion exchange membrane fuel cells. (C) The Author(s) 2016. Published by ECS. All rights reserved. C1 [Chung, Hoon Taek; Martinez, Ulises; Dumont, Joseph H.; Kim, Yu Seung] Los Alamos Natl Lab, Mat Phys & Applicat Div, Los Alamos, NM 87545 USA. [Choe, Yoong-Kee] Natl Inst Adv Ind Sci & Technol, Tsukuba, Ibaraki 3058568, Japan. [Mohanty, Angela; Bae, Chulsung] Rensselaer Polytech Inst, Dept Chem & Chem Biol, Troy, NY 12180 USA. [Matanovic, Ivana] Univ New Mexico, Dept Chem & Biol Engn, Ctr Microengineered Mat CMEM, Albuquerque, NM 87131 USA. [Matanovic, Ivana] Los Alamos Natl Lab, P Phys & Chem Mat 1, Los Alamos, NM 87545 USA. RP Kim, YS (reprint author), Los Alamos Natl Lab, Mat Phys & Applicat Div, Los Alamos, NM 87545 USA. EM yskim@lanl.gov FU US Department of Energy, Energy Efficiency and Renewable Energy, Fuel Cell Technology Office [DE-EE0006962]; Ministry of Economy, Trade and Industry of Japan through the Japan-US Cooperation on Clean Energy Technology Program; Los Alamos National Security, LLC [DE-AC52-06NA25396] FX This work was supported by the US Department of Energy, Energy Efficiency and Renewable Energy, Fuel Cell Technology Office (grant Number: DE-EE0006962). Y.-K. C acknowledges financial support from the Ministry of Economy, Trade and Industry of Japan through the Japan-US Cooperation on Clean Energy Technology Program. Los Alamos National Laboratory is operated by Los Alamos National Security, LLC under Contract DE-AC52-06NA25396. NR 31 TC 0 Z9 0 U1 4 U2 4 PU ELECTROCHEMICAL SOC INC PI PENNINGTON PA 65 SOUTH MAIN STREET, PENNINGTON, NJ 08534 USA SN 0013-4651 EI 1945-7111 J9 J ELECTROCHEM SOC JI J. Electrochem. Soc. PY 2016 VL 163 IS 14 BP F1503 EP F1509 DI 10.1149/2.0511614jes PG 7 WC Electrochemistry; Materials Science, Coatings & Films SC Electrochemistry; Materials Science GA EK3TV UT WOS:000393852200102 ER PT J AU Mehrabadi, BAT Dinh, HN Bender, G Weidner, JW AF Mehrabadi, Bahareh Alsadat Tavakoli Dinh, Huyen N. Bender, Guido Weidner, John W. TI Effect of System Contaminants on the Performance of a Proton Exchange Membrane Fuel Cell SO JOURNAL OF THE ELECTROCHEMICAL SOCIETY LA English DT Article ID OXYGEN REDUCTION REACTION; SULFUR-DIOXIDE CONTAMINATION; PEMFC CONTAMINATION; PERFLUORINATED IONOMER; DEGRADATION-PRODUCTS; PLATINUM-ELECTRODES; HYDROGEN-SULFIDE; MODEL; CATHODE; CATALYST AB The performance loss and recovery of the fuel cell due to Balance of Plant (BOP) contaminants was identified via a combination of experimental data and a mathematical model. The experiments were designed to study the influence of organic contaminants (e.g. those from BOP materials) on the resistance of the catalyst, ionomer and membrane, and a mathematical model was developed that allowed us to separate these competing resistances from the data collected on an operating fuel cell. For this reason, based on the functional groups, four organic contaminants found in BOP materials, diethylene glycol monoethyl ether (DGMEE), diethylene glycol monoethyl ether acetate (DGMEA), benzyl alcohol (BzOH) and 2,6-diaminotoluene (2,6-DAT) were infused separately to the cathode side of the fuel cell. The cell voltage and high frequency impedance resistance was measured as a function of time. The contaminant feed was then discontinued and voltage recovery was measured. It was determined that compounds with ion exchange properties like 2,6-DAT can cause voltage loss with non-reversible recovery, so this compound was studied in more detail. The degree of voltage loss increased with an increase in concentration, and/or infusion time, and increased with a decrease in catalyst loadings. (C) The Author(s) 2016. Published by ECS. All rights reserved. C1 [Mehrabadi, Bahareh Alsadat Tavakoli; Weidner, John W.] Univ South Carolina, Dept Chem Engn, Columbia, SC 29208 USA. [Dinh, Huyen N.; Bender, Guido] Natl Renewable Energy Lab, Golden, CO 80401 USA. RP Weidner, JW (reprint author), Univ South Carolina, Dept Chem Engn, Columbia, SC 29208 USA. EM weidner@email.sc.edu FU DOE EERE Fuel Cell Technologies Office under NREL [DE-AC36-08GO28308, ZGB-0-99180-1] FX The authors gratefully acknowledge support for this work by the DOE EERE Fuel Cell Technologies Office (DE-AC36-08GO28308) under a subcontract from NREL (ZGB-0-99180-1) to the University of South Carolina. We would further like to thank our collaborating partners at General Motors for their valuable contributions, including supplying the MEAs for this study. NR 52 TC 2 Z9 2 U1 2 U2 2 PU ELECTROCHEMICAL SOC INC PI PENNINGTON PA 65 SOUTH MAIN STREET, PENNINGTON, NJ 08534 USA SN 0013-4651 EI 1945-7111 J9 J ELECTROCHEM SOC JI J. Electrochem. Soc. PY 2016 VL 163 IS 14 BP F1527 EP F1534 DI 10.1149/2.0761614jes PG 8 WC Electrochemistry; Materials Science, Coatings & Films SC Electrochemistry; Materials Science GA EK3TV UT WOS:000393852200106 ER PT J AU Prabhakaran, V Wang, GX Parrondo, J Ramani, V AF Prabhakaran, Venkateshkumar Wang, Guanxiong Parrondo, Javier Ramani, Vijay TI Contribution of Electrocatalyst Support to PEM Oxidative Degradation in an Operating PEFC SO JOURNAL OF THE ELECTROCHEMICAL SOCIETY LA English DT Article ID OXYGEN REDUCTION REACTION; ELECTROLYTE FUEL-CELLS; MEMBRANE CHEMICAL DEGRADATION; EXCEPTIONAL ELECTROCHEMICAL STABILITY; SITU FLUORESCENCE SPECTROSCOPY; HYDROGEN-PEROXIDE; IONOMER DEGRADATION; CATHODE CATALYSTS; CARBON SUPPORT; CORROSION AB The contribution of the electrocatalyst support to polymer electrolyte membrane (PEM) oxidative degradation in an operating polymer electrolyte fuel cell was investigated. A corrosion-resistant non-carbon catalyst support based on mixed ruthenium and silicon oxides (RuO2-SiO2; RSO) was compared against a benchmark carbon-based support (Vulcan XC 72; C). The rates of in-situ reactive oxygen species (ROS) generation (Pt/C: 9.0 +/- 0.20 x 10(-5) s(-1); Pt/RSO: 5.9 +/- 0.19 x 10(-5) s(-1)) and macroscopic PEM degradation measured ex-situ as the fluoride emission rate (FER; Pt/C: 2.7 +/- 0.32 x 10(-5) ppm cm(-2) s(-1); Pt/RSO: 2.5 +/- 0.31 x 10-5 ppm cm(-2) s(-1)) were significantly lower for platinum supported on RSO than for platinum supported on carbon. There was an excellent correlation between the in-situ ROS generation rate and the FER, thereby confirming the causal relationship between ROS generation and PEM degradation. The lower rate of ROS generation over RSO and Pt/RSO was attributed to a lower net rate of electrochemical H2O2 generation during the oxygen reduction reaction (ORR). Rotating ring-disk electrode experiments confirmed that the net electrochemical H2O2 generation rate on Pt/RSO was about twice lower than that on Pt/C. Kinetic parameters estimated for the ORR supported a direct 4e(-) pathway on both Pt/RSO (with i(k) of 4.5 mAcm(-2), n = 3.97 and a Tafel slope of 64 mVdec(-1)) and Pt/C (with i(k) of 4.1 mAcm(-2), n = 3.93 and a Tafel slope of 68 mVdec(-1)). In conjunction with its high corrosion-resistance, this finding further illustrates the viability of RSO (and analogs such as ruthenium-titanium oxide) as outstanding PEFC electrocatalyst supports. (C) The Author(s) 2016. Published by ECS. All rights reserved. C1 [Prabhakaran, Venkateshkumar; Wang, Guanxiong; Parrondo, Javier; Ramani, Vijay] IIT, Ctr Electrochem Sci & Engn, Dept Chem & Biol Engn, Chicago, IL 60616 USA. [Prabhakaran, Venkateshkumar] Pacific Northwest Natl Lab, Div Phys Sci, Richland, WA 99352 USA. [Ramani, Vijay] Washington Univ, Dept Energy Environm & Chem Engn, St Louis, MO 63130 USA. RP Ramani, V (reprint author), IIT, Ctr Electrochem Sci & Engn, Dept Chem & Biol Engn, Chicago, IL 60616 USA.; Ramani, V (reprint author), Washington Univ, Dept Energy Environm & Chem Engn, St Louis, MO 63130 USA. EM ramani@wustl.edu OI Parrondo, Javier/0000-0003-4306-2351 FU NSF [0756473, 0847030] FX We acknowledge NSF (award numbers 0756473 and 0847030) for funding this work. We would also like to acknowledge Amod Kumar for providing the non-carbon support samples (RuO2-SiO2) employed in the experiments. NR 87 TC 0 Z9 0 U1 0 U2 0 PU ELECTROCHEMICAL SOC INC PI PENNINGTON PA 65 SOUTH MAIN STREET, PENNINGTON, NJ 08534 USA SN 0013-4651 EI 1945-7111 J9 J ELECTROCHEM SOC JI J. Electrochem. Soc. PY 2016 VL 163 IS 14 BP F1611 EP F1617 DI 10.1149/2.1311614jes PG 7 WC Electrochemistry; Materials Science, Coatings & Films SC Electrochemistry; Materials Science GA EK3TV UT WOS:000393852200117 ER PT J AU Mehrabadi, BAT Dinh, HN Bender, G Weidner, JW AF Mehrabadi, Bahareh Alsadat Tavakoli Dinh, Huyen N. Bender, Guido Weidner, John W. TI Effect of System Contaminants on the Performance of a Proton Exchange Membrane Fuel Cell (vol 163, F1527, 2016) SO JOURNAL OF THE ELECTROCHEMICAL SOCIETY LA English DT Correction C1 [Mehrabadi, Bahareh Alsadat Tavakoli; Weidner, John W.] Univ South Carolina, Dept Chem Engn, Columbia, SC 29208 USA. [Dinh, Huyen N.; Bender, Guido] Natl Renewable Energy Lab, Golden, CO 80401 USA. RP Mehrabadi, BAT (reprint author), Univ South Carolina, Dept Chem Engn, Columbia, SC 29208 USA. NR 1 TC 0 Z9 0 U1 0 U2 0 PU ELECTROCHEMICAL SOC INC PI PENNINGTON PA 65 SOUTH MAIN STREET, PENNINGTON, NJ 08534 USA SN 0013-4651 EI 1945-7111 J9 J ELECTROCHEM SOC JI J. Electrochem. Soc. PY 2016 VL 163 IS 14 BP X11 EP X11 DI 10.1149/2.0031702jes PG 1 WC Electrochemistry; Materials Science, Coatings & Films SC Electrochemistry; Materials Science GA EK3TV UT WOS:000393852200107 ER PT J AU Pezeshki, AM Sacci, RL Veith, GM Zawodzinski, TA Menchd, MM AF Pezeshki, Alan M. Sacci, Robert L. Veith, Gabriel M. Zawodzinski, Thomas A. Menchd, Matthew M. TI The Cell-in-Series Method: A Technique for Accelerated Electrode Degradation in Redox Flow Batteries (vol 163, pg A5202, 2016) SO JOURNAL OF THE ELECTROCHEMICAL SOCIETY LA English DT Correction C1 [Pezeshki, Alan M.; Zawodzinski, Thomas A.] Univ Tennessee, Dept Chem & Biomol Engn, Knoxville, TN 37996 USA. [Pezeshki, Alan M.] Univ Tennessee, Bredesen Ctr Interdisciplinary Res & Grad Educ, Knoxville, TN 37996 USA. [Pezeshki, Alan M.; Sacci, Robert L.; Veith, Gabriel M.; Zawodzinski, Thomas A.] Oak Ridge Natl Lab, Mat Sci & Technol Div, Oak Ridge, TN 37831 USA. [Menchd, Matthew M.] Univ Tennessee, Dept Mech Aerosp & Biomed Engn, Knoxville, TN 37996 USA. [Menchd, Matthew M.] Oak Ridge Natl Lab, Energy & Transportat Sci Div, Oak Ridge, TN 37831 USA. RP Pezeshki, AM (reprint author), Univ Tennessee, Dept Chem & Biomol Engn, Knoxville, TN 37996 USA.; Pezeshki, AM (reprint author), Univ Tennessee, Bredesen Ctr Interdisciplinary Res & Grad Educ, Knoxville, TN 37996 USA.; Pezeshki, AM (reprint author), Oak Ridge Natl Lab, Mat Sci & Technol Div, Oak Ridge, TN 37831 USA. NR 1 TC 0 Z9 0 U1 0 U2 0 PU ELECTROCHEMICAL SOC INC PI PENNINGTON PA 65 SOUTH MAIN STREET, PENNINGTON, NJ 08534 USA SN 0013-4651 EI 1945-7111 J9 J ELECTROCHEM SOC JI J. Electrochem. Soc. PY 2016 VL 163 IS 14 BP X13 EP X13 DI 10.1149/2.1321614jes PG 1 WC Electrochemistry; Materials Science, Coatings & Films SC Electrochemistry; Materials Science GA EK3TV UT WOS:000393852200140 ER PT J AU Mehrabadi, BAT Dinh, HN Bender, G Weidner, JW AF Mehrabadi, Bahareh Alsadat Tavakoli Dinh, Huyen N. Bender, Guido Weidner, John W. TI Effect of System Contaminants on the Performance of a Proton Exchange Membrane Fuel Cell (vol 163, pg F1527, 2016) SO JOURNAL OF THE ELECTROCHEMICAL SOCIETY LA English DT Correction C1 [Mehrabadi, Bahareh Alsadat Tavakoli; Weidner, John W.] Univ South Carolina, Dept Chem Engn, Columbia, SC 29208 USA. [Dinh, Huyen N.; Bender, Guido] Natl Renewable Energy Lab, Golden, CO 80401 USA. RP Mehrabadi, BAT (reprint author), Univ South Carolina, Dept Chem Engn, Columbia, SC 29208 USA. NR 1 TC 0 Z9 0 U1 0 U2 0 PU ELECTROCHEMICAL SOC INC PI PENNINGTON PA 65 SOUTH MAIN STREET, PENNINGTON, NJ 08534 USA SN 0013-4651 EI 1945-7111 J9 J ELECTROCHEM SOC JI J. Electrochem. Soc. PY 2016 VL 163 IS 14 PG 1 WC Electrochemistry; Materials Science, Coatings & Films SC Electrochemistry; Materials Science GA EK3TV UT WOS:000393852200138 ER PT J AU Stone, C Williams, D Price, J AF Stone, Christopher Williams, Derrick Price, Jeremy TI Vacuum system upgrade for extended Q-range small-angle neutron scattering diffractometer (EQ-SANS) at SNS SO METHODSX LA English DT Article DE Vacuum; Neutron scattering diffractometer; Spallation neutron source AB The Extended Q-range Small-angle Neutron Scattering Diffractometer (EQ-SANS) instrument at the spallation neutron source (SNS), Oak Ridge, Tennessee, incorporates a 69 m(3) detector vessel with a vacuum system which required an upgrade with respect to performance, ease of operation, and maintenance. The upgrade focused on improving pumping performance as well as optimizing system design to minimize opportunity for operational error. This upgrade provided the following practical contributions: Reduced time required to evacuate from atmospheric pressure to 2 mTorr from 500 to 1000 min to 60-70 min Provided turn-key automated control with a multi-faceted interlock for personnel and machine safety. (C) 2016 The Author(s). Published by Elsevier B.V. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/). C1 [Stone, Christopher; Williams, Derrick; Price, Jeremy] Oak Ridge Natl Lab, Res Accelerators Div, 1 Bethel Rd, Oak Ridge, TN 37831 USA. RP Stone, C (reprint author), Oak Ridge Natl Lab, Res Accelerators Div, 1 Bethel Rd, Oak Ridge, TN 37831 USA. EM stonecm@ornl.gov FU U.S. Department of Energy [DE-AC05-00OR22725] FX Work performed at Oak Ridge National Laboratory, which is managed by UT-Battelle, LLC, under contract DE-AC05-00OR22725 for the U.S. Department of Energy. NR 5 TC 0 Z9 0 U1 1 U2 1 PU ELSEVIER SCIENCE BV PI AMSTERDAM PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS SN 2215-0161 J9 METHODSX JI MethodsX PY 2016 VL 3 BP 525 EP 534 DI 10.1016/j.mex.2016.09.002 PG 10 WC Multidisciplinary Sciences SC Science & Technology - Other Topics GA EJ7KQ UT WOS:000393401000061 PM 27766212 ER PT J AU Bissell, MJ AF Bissell, M. J. TI From Laminin to Lamin and p53: What determines the differentiated state? SO MOLECULAR BIOLOGY OF THE CELL LA English DT Meeting Abstract C1 [Bissell, M. J.] Lawrence Berkeley Natl Lab, Biol Syst Engn, Berkeley, CA USA. NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER SOC CELL BIOLOGY PI BETHESDA PA 8120 WOODMONT AVE, STE 750, BETHESDA, MD 20814-2755 USA SN 1059-1524 EI 1939-4586 J9 MOL BIOL CELL JI Mol. Biol. Cell PY 2016 VL 27 MA A13 PG 1 WC Cell Biology SC Cell Biology GA EK9QR UT WOS:000394259500389 ER PT J AU Chan, K Vahey, MD Son, S Schmid, EM Fletcher, DA AF Chan, K. Vahey, M. D. Son, S. Schmid, E. M. Fletcher, D. A. TI Direct coupling of the actin cytoskeleton to a viral fusogen drives cell-cell fusion. SO MOLECULAR BIOLOGY OF THE CELL LA English DT Meeting Abstract C1 [Chan, K.; Fletcher, D. A.] Univ Calif Berkeley, UC San Francisco Grad Grp Bioengn, Berkeley, CA USA. [Vahey, M. D.; Son, S.; Schmid, E. M.] Univ Calif Berkeley, Dept Bioengn, Berkeley, CA 94720 USA. [Fletcher, D. A.] Univ Calif Berkeley, Dept Bioengn, Biophys Program, Berkeley, CA 94720 USA. [Fletcher, D. A.] Lawrence Berkeley Natl Lab, Phys Biosci Div, Berkeley, CA USA. NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER SOC CELL BIOLOGY PI BETHESDA PA 8120 WOODMONT AVE, STE 750, BETHESDA, MD 20814-2755 USA SN 1059-1524 EI 1939-4586 J9 MOL BIOL CELL JI Mol. Biol. Cell PY 2016 VL 27 MA M145 PG 2 WC Cell Biology SC Cell Biology GA EK9QR UT WOS:000394259500279 ER PT J AU Chen, J Dedham, D Walter, A Wercberger, R Kuhn, J Le Gros, MA Basbaum, A Larabell, CA AF Chen, J. Dedham, D. Walter, A. Wercberger, R. Kuhn, J. Le Gros, M. A. Basbaum, A. Larabell, C. A. TI Quantitative analysis of the 3D spatial organization of cells and organelles. SO MOLECULAR BIOLOGY OF THE CELL LA English DT Meeting Abstract C1 [Chen, J.; Dedham, D.; Walter, A.; Wercberger, R.; Kuhn, J.; Le Gros, M. A.; Basbaum, A.; Larabell, C. A.] Univ Calif San Francisco, Anat, San Francisco, CA 94143 USA. [Le Gros, M. A.; Larabell, C. A.] Lawrence Berkeley Natl Lab, Mol Biophys Integrated Bioimaging, Berkeley, CA USA. NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER SOC CELL BIOLOGY PI BETHESDA PA 8120 WOODMONT AVE, STE 750, BETHESDA, MD 20814-2755 USA SN 1059-1524 EI 1939-4586 J9 MOL BIOL CELL JI Mol. Biol. Cell PY 2016 VL 27 MA E85 PG 1 WC Cell Biology SC Cell Biology GA EK9QR UT WOS:000394259500229 ER PT J AU Dagdas, YS Chen, JS Sternberg, SH Doudna, JA Yildiz, A AF Dagdas, Y. S. Chen, J. S. Sternberg, S. H. Doudna, J. A. Yildiz, A. TI Conformational dynamics of Cas9 during DNA binding. SO MOLECULAR BIOLOGY OF THE CELL LA English DT Meeting Abstract C1 [Dagdas, Y. S.] Univ Calif Berkeley, Biophys Grad Grp, Berkeley, CA 94720 USA. [Chen, J. S.; Doudna, J. A.; Yildiz, A.] Univ Calif Berkeley, Dept Mol & Cell Biol, 229 Stanley Hall, Berkeley, CA 94720 USA. [Sternberg, S. H.; Doudna, J. A.] Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA. [Doudna, J. A.] Univ Calif Berkeley, Howard Hughes Med Inst, Berkeley, CA 94720 USA. [Doudna, J. A.] Lawrence Berkeley Natl Lab, Phys Biosci Div, Berkeley, CA USA. [Yildiz, A.] Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA. NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER SOC CELL BIOLOGY PI BETHESDA PA 8120 WOODMONT AVE, STE 750, BETHESDA, MD 20814-2755 USA SN 1059-1524 EI 1939-4586 J9 MOL BIOL CELL JI Mol. Biol. Cell PY 2016 VL 27 MA E18 PG 1 WC Cell Biology SC Cell Biology GA EK9QR UT WOS:000394259500094 ER PT J AU Dernburg, AF Rog, O Kohler, S Zhang, L AF Dernburg, A. F. Rog, O. Kohler, S. Zhang, L. TI A self-extinguishing signaling circuit within the synaptonemal complex regulates meiotic recombination. SO MOLECULAR BIOLOGY OF THE CELL LA English DT Meeting Abstract C1 [Dernburg, A. F.; Rog, O.; Kohler, S.; Zhang, L.] Howard Hughes Med Inst, Chevy Chase, MD USA. [Dernburg, A. F.; Rog, O.; Kohler, S.; Zhang, L.] Univ Calif Berkeley, Mol & Cell Biol, Berkeley, CA 94720 USA. [Dernburg, A. F.; Rog, O.; Kohler, S.; Zhang, L.] Calif Inst Quantitat Biosci QB3, Berkeley, CA USA. [Dernburg, A. F.] Lawrence Berkeley Natl Lab, Div Life Sci, Berkeley, CA USA. NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER SOC CELL BIOLOGY PI BETHESDA PA 8120 WOODMONT AVE, STE 750, BETHESDA, MD 20814-2755 USA SN 1059-1524 EI 1939-4586 J9 MOL BIOL CELL JI Mol. Biol. Cell PY 2016 VL 27 MA M84 PG 1 WC Cell Biology SC Cell Biology GA EK9QR UT WOS:000394259500152 ER PT J AU Louder, RK Patel, A He, Y Fang, J Nogales, E AF Louder, R. K. Patel, A. He, Y. Fang, J. Nogales, E. TI Cryo-EM visualization of promoter binding by the human general transcription factor TFIID. SO MOLECULAR BIOLOGY OF THE CELL LA English DT Meeting Abstract C1 [Louder, R. K.; Patel, A.] Univ Calif Berkeley, Biophys Grad Grp, Berkeley, CA 94720 USA. [He, Y.; Nogales, E.] Lawrence Berkeley Natl Lab, Mol Biophys & Integrat Bioimaging Div, Berkeley, CA USA. [He, Y.] Northwestern Univ, Dept Mol Biosci, Evanston, IL USA. [Fang, J.; Nogales, E.] Univ Calif Berkeley, Howard Hughes Med Inst, Berkeley, CA 94720 USA. [Nogales, E.] Univ Calif Berkeley, Inst QB3, Berkeley, CA 94720 USA. [Nogales, E.] Univ Calif Berkeley, Dept Mol & Cell Biol, 229 Stanley Hall, Berkeley, CA 94720 USA. NR 0 TC 0 Z9 0 U1 1 U2 1 PU AMER SOC CELL BIOLOGY PI BETHESDA PA 8120 WOODMONT AVE, STE 750, BETHESDA, MD 20814-2755 USA SN 1059-1524 EI 1939-4586 J9 MOL BIOL CELL JI Mol. Biol. Cell PY 2016 VL 27 MA M178 PG 2 WC Cell Biology SC Cell Biology GA EK9QR UT WOS:000394259500312 ER PT J AU Nogales, E AF Nogales, E. TI Visualizing microtubule structure and interactions. SO MOLECULAR BIOLOGY OF THE CELL LA English DT Meeting Abstract C1 [Nogales, E.] Univ Calif Berkeley, MCB, Berkeley, CA USA. [Nogales, E.] Lawrence Berkeley Natl Lab, Mol Biophys & Integrated Bioimaging, Berkeley, CA USA. [Nogales, E.] Howard Hughes Med Inst, Berkeley, CA USA. NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER SOC CELL BIOLOGY PI BETHESDA PA 8120 WOODMONT AVE, STE 750, BETHESDA, MD 20814-2755 USA SN 1059-1524 EI 1939-4586 J9 MOL BIOL CELL JI Mol. Biol. Cell PY 2016 VL 27 MA A1 PG 2 WC Cell Biology SC Cell Biology GA EK9QR UT WOS:000394259500131 ER PT J AU Stjepanovic, G Lin, MG Baskaran, S Carlson, L Hurley, JH AF Stjepanovic, G. Lin, M. G. Baskaran, S. Carlson, L. Hurley, J. H. TI Role of the human Vps15 kinase in PI3K complex I mediated autophagy regulation. SO MOLECULAR BIOLOGY OF THE CELL LA English DT Meeting Abstract C1 [Stjepanovic, G.; Lin, M. G.; Baskaran, S.; Carlson, L.; Hurley, J. H.] Univ Calif Berkeley, MCB, Berkeley, CA USA. [Stjepanovic, G.; Hurley, J. H.] LBNL, Berkeley, CA USA. NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER SOC CELL BIOLOGY PI BETHESDA PA 8120 WOODMONT AVE, STE 750, BETHESDA, MD 20814-2755 USA SN 1059-1524 EI 1939-4586 J9 MOL BIOL CELL JI Mol. Biol. Cell PY 2016 VL 27 MA M196 PG 1 WC Cell Biology SC Cell Biology GA EK9QR UT WOS:000394259500330 ER PT J AU Strom, AR Emelyanov, A Fyodorov, D Karpen, GH AF Strom, A. R. Emelyanov, A. Fyodorov, D. Karpen, G. H. TI Phase separation drives heterochromatin domain formation. SO MOLECULAR BIOLOGY OF THE CELL LA English DT Meeting Abstract C1 [Strom, A. R.; Karpen, G. H.] Lawrence Berkeley Natl Lab, Biol Syst & Engn, Berkeley, CA USA. [Strom, A. R.; Karpen, G. H.] Univ Calif Berkeley, Mol & Cell Biol, Berkeley, CA 94720 USA. [Emelyanov, A.; Fyodorov, D.] Albert Einstein Coll Med, Dept Cell Biol, Bronx, NY 10467 USA. NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER SOC CELL BIOLOGY PI BETHESDA PA 8120 WOODMONT AVE, STE 750, BETHESDA, MD 20814-2755 USA SN 1059-1524 EI 1939-4586 J9 MOL BIOL CELL JI Mol. Biol. Cell PY 2016 VL 27 MA M88 PG 1 WC Cell Biology SC Cell Biology GA EK9QR UT WOS:000394259500156 ER PT J AU Szempruch, A Sykes, S Kieft, R Dennison, L Becker, A Gartrell, A Martin, W Nakayasu, E Almeida, I Harrington, J Hajduk, S AF Szempruch, A. Sykes, S. Kieft, R. Dennison, L. Becker, A. Gartrell, A. Martin, W. Nakayasu, E. Almeida, I. Harrington, J. Hajduk, S. TI Extracellular vesicles from Trypanosoma brucei mediate virulence factor transfer and cause host anemia. SO MOLECULAR BIOLOGY OF THE CELL LA English DT Meeting Abstract C1 [Szempruch, A.] CALTECH, Div Biol & Biol Engn, Pasadena, CA 91125 USA. [Sykes, S.; Kieft, R.; Dennison, L.; Becker, A.; Gartrell, A.; Harrington, J.; Hajduk, S.] Univ Georgia, Biochem & Mol Biol, Athens, GA 30602 USA. [Martin, W.] Univ Georgia, Anim Hlth Res Ctr, Athens, GA 30602 USA. [Nakayasu, E.] Pacific Northwest Natl Lab, Biol Sci, Richland, WA USA. [Almeida, I.] Univ Texas El Paso, Biol Sci, El Paso, TX 79968 USA. NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER SOC CELL BIOLOGY PI BETHESDA PA 8120 WOODMONT AVE, STE 750, BETHESDA, MD 20814-2755 USA SN 1059-1524 EI 1939-4586 J9 MOL BIOL CELL JI Mol. Biol. Cell PY 2016 VL 27 MA A5 PG 1 WC Cell Biology SC Cell Biology GA EK9QR UT WOS:000394259500253 ER PT J AU Vahey, MD Fletcher, DA AF Vahey, M. D. Fletcher, D. A. TI Phenotypic variability and plasticity in influenza A virus measured using multi-spectral viral strains. SO MOLECULAR BIOLOGY OF THE CELL LA English DT Meeting Abstract C1 [Vahey, M. D.; Fletcher, D. A.] Univ Calif Berkeley, Dept Bioengn, Berkeley, CA 94720 USA. [Fletcher, D. A.] Lawrence Berkeley Natl Lab, Phys Biosci Div, Berkeley, CA USA. NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER SOC CELL BIOLOGY PI BETHESDA PA 8120 WOODMONT AVE, STE 750, BETHESDA, MD 20814-2755 USA SN 1059-1524 EI 1939-4586 J9 MOL BIOL CELL JI Mol. Biol. Cell PY 2016 VL 27 MA M267 PG 1 WC Cell Biology SC Cell Biology GA EK9QR UT WOS:000394259500458 ER PT J AU Zhang, W Mao, J Zhu, W Jain, AK Liu, K Brown, JB Williamson, A Garbe, J LaBarge, MA Stampfer, M Rape, M Karpen, GH AF Zhang, W. Mao, J. Zhu, W. Jain, A. K. Liu, K. Brown, J. B. Williamson, A. Garbe, J. LaBarge, M. A. Stampfer, M. Rape, M. Karpen, G. H. TI A Novel Mutual Protection Mechanism of Centromere Regulation and an Application for Predicting Cancer Patient Response to Adjuvant Radio- and Chemotherapy based on Centromere Misregulation. SO MOLECULAR BIOLOGY OF THE CELL LA English DT Meeting Abstract C1 [Zhang, W.; Mao, J.; Garbe, J.; LaBarge, M. A.; Stampfer, M.; Karpen, G. H.] Lawrence Berkeley Natl Lab, Biol Syst & Engn Div, Berkeley, CA USA. [Zhang, W.; Williamson, A.; Rape, M.; Karpen, G. H.] Univ Calif Berkeley, Dept Mol & Cell Biol, 229 Stanley Hall, Berkeley, CA 94720 USA. [Zhu, W.] Cellular Biomed Grp Inc, Dept Translat Bioinformat, Shanghai, Peoples R China. [Jain, A. K.] Yale Sch Med, Dept Therapeut Radiol, New Haven, CT USA. [Jain, A. K.] Ashland Bellefonte Canc Ctr, Ashland, KY USA. [Liu, K.; Brown, J. B.] Lawrence Berkeley Natl Lab, Environm Genom & Syst Biol Div, Berkeley, CA USA. [Liu, K.; Brown, J. B.] Univ Calif Berkeley, Dept Stat, Berkeley, CA 94720 USA. [Brown, J. B.] Univ Birmingham, Environm Bioinformat, Birmingham, W Midlands, England. NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER SOC CELL BIOLOGY PI BETHESDA PA 8120 WOODMONT AVE, STE 750, BETHESDA, MD 20814-2755 USA SN 1059-1524 EI 1939-4586 J9 MOL BIOL CELL JI Mol. Biol. Cell PY 2016 VL 27 MA E146 PG 2 WC Cell Biology SC Cell Biology GA EK9QR UT WOS:000394259500372 ER PT S AU Helsen, J Guillaume, P Guo, Y Keller, J AF Helsen, Jan Guillaume, Patrick Guo, Yo Keller, Jonathan BE Vogiatzis, K Kouroussis, G Crocker, M Pawelczyk, M TI CHARACTERIZATION OF THE HIGH-SPEED-STAGE BEARING SKIDDING OF WIND TURBINE GEARBOXES INDUCED BY DYNAMIC ELECTRICITY GRID EVENTS SO PROCEEDINGS OF THE 23RD INTERNATIONAL CONGRESS ON SOUND AND VIBRATION: FROM ANCIENT TO MODERN ACOUSTICS SE Proceedings of the International Congress on Sound and Vibration LA English DT Proceedings Paper CT 23rd International Congress on Sound and Vibration (ICSV) CY JUL 10-14, 2016 CL Athens, GREECE SP Hellenic Assoc Toll Road Network, Dynam Acoust S A, Traffic Transportat & Environm Consultants S A, ACCON GmbH, T & S Technologies Grp, OROS, PEMARD, Vibro Acoust, AKTOR, APION KLEOS CJV, TERNA AB Bearing behavior is an important factor for wind turbine drivetrain reliability. Extreme loads and dynamic excitations pose challenges to the bearing design and therefore its performance. Excessive skidding of the bearing rollers should be avoided because it can cause scuffing failures. Excitations coming from wind and the electricity grid can subject the drivetrain to fluctuating torque and nontorque loads. Wind-induced excitations have been investigated predominantly in literature. However, modern wind turbines are subjected more and more to grid-induced loads because of stricter electricity grid regulations. For example, during fault-ride-through events, turbines are required to stay connected for a longer period of time during the grid failure. This work investigates the influence of electrically induced excitations on the skidding behaviour of the tapered roller bearings on the high-speed stage of a wind turbine gearbox. This skidding behaviour during dynamic events is described as a potential bearing failure initiator by many researchers; however, only limited full-scale dynamic testing is documented. Therefore, a dedicated grid loss-type event is defined in the paper and conducted in a dynamometer test on a full-scale wind turbine nacelle. During the event, a complete electricity grid failure is simulated while the turbine is at rated speed and predefined torque levels. Particular focus is on the characterization of the high-speed shaft tapered roller bearing slip behavior. Strain-gauge bridges in grooves along the circumference of the outer ring are used to characterize the bearing load zone in detail. It is shown that during the torque reversals of the transient event, roller slip can be induced. This indicates the potential of the applied load case to go beyond the preload of the tapered roller bearing. Furthermore, the relation between the applied torque and skidding level is studied. C1 [Helsen, Jan; Guillaume, Patrick] Vrije Univ Brussel, Dept Mech Engn, Pleinlaan 2, B-1050 Brussels, Belgium. [Guo, Yo; Keller, Jonathan] Natl Renewable Energy Lab, Natl Wind Technol Ctr, Golden, CO USA. RP Helsen, J (reprint author), Vrije Univ Brussel, Dept Mech Engn, Pleinlaan 2, B-1050 Brussels, Belgium. EM jan.helsen@vub.ac.be FU Fonds Wetenschappelijk Onderzoek (FWO) Vlaanderen; SBO HYMOP project of IWT Vlaanderen; U.S. Department of Energy [DE-AC02-05CH11231] FX This research was performed in the framework of support schemes of the Fonds Wetenschappelijk Onderzoek (FWO) Vlaanderen and the SBO HYMOP project of IWT Vlaanderen. The National Renewable Energy Laboratory's Gearbox Reliability Collaborative is funded by the U.S. Department of Energy under Contract No. DE-AC02-05CH11231. NR 9 TC 0 Z9 0 U1 0 U2 0 PU INT INST ACOUSTICS & VIBRATION PI AUBURN PA AUBURN UNIV, MECHANICAL ENGINEERING DEPT, 270 ROSS HALL, AUBURN, AL 36849 USA SN 2329-3675 BN 978-960-99226-2-3 J9 PR INT CONGR SOUND V PY 2016 PG 6 WC Acoustics; Engineering, Mechanical SC Acoustics; Engineering GA BG4AN UT WOS:000388480402087 ER PT J AU Marquardt, D Heberle, FA Greathouse, DV Koeppe, RE Standaert, RF Van Oosten, BJ Harroun, TA Kinnun, JJ Williams, JA Wassall, SR Katsaras, J AF Marquardt, Drew Heberle, Frederick A. Greathouse, Denise V. Koeppe, Roger E., II Standaert, Robert F. Van Oosten, Brad J. Harroun, Thad A. Kinnun, Jacob J. Williams, Justin A. Wassall, Stephen R. Katsaras, John TI Lipid bilayer thickness determines cholesterol's location in model membranes SO SOFT MATTER LA English DT Article ID POLYUNSATURATED FATTY-ACID; NUCLEAR-MAGNETIC-RESONANCE; MOLECULAR-DYNAMICS; PHOSPHATIDYLETHANOLAMINE BILAYERS; PHOSPHATIDYLCHOLINE LIPIDS; MASS-SPECTROMETRY; DOMAIN FORMATION; FORCE-FIELD; FLIP-FLOP; H-2 NMR AB Cholesterol is an essential biomolecule of animal cell membranes, and an important precursor for the biosynthesis of certain hormones and vitamins. It is also thought to play a key role in cell signaling processes associated with functional plasma membrane microdomains (domains enriched in cholesterol), commonly referred to as rafts. In all of these diverse biological phenomena, the transverse location of cholesterol in the membrane is almost certainly an important structural feature. Using a combination of neutron scattering and solid-state H-2 NMR, we have determined the location and orientation of cholesterol in phosphatidylcholine (PC) model membranes having fatty acids of different lengths and degrees of unsaturation. The data establish that cholesterol reorients rapidly about the bilayer normal in all the membranes studied, but is tilted and forced to span the bilayer midplane in the very thin bilayers. The possibility that cholesterol lies flat in the middle of bilayers, including those made from PC lipids containing polyunsaturated fatty acids (PUFAs), is ruled out. These results support the notion that hydrophobic thickness is the primary determinant of cholesterol's location in membranes. C1 [Marquardt, Drew; Van Oosten, Brad J.; Harroun, Thad A.; Katsaras, John] Brock Univ, Dept Phys, St Catharines, ON L2S 3A1, Canada. [Marquardt, Drew] Graz Univ, Inst Mol Biosci, Graz, Austria. [Heberle, Frederick A.; Katsaras, John] Univ Tennessee, Bredesen Ctr Interdisciplinary Res & Grad Educ, Knoxville, TN 37996 USA. [Heberle, Frederick A.] Oak Ridge Natl Lab, Joint Inst Biol Sci, Oak Ridge, TN 37831 USA. [Heberle, Frederick A.; Katsaras, John] Oak Ridge Natl Lab, Biol & Soft Matter Div, Oak Ridge, TN 37831 USA. [Greathouse, Denise V.; Koeppe, Roger E., II] Univ Arkansas, Dept Chem & Biochem, Fayetteville, AR 72701 USA. [Standaert, Robert F.] Oak Ridge Natl Lab, Biosci Div, Oak Ridge, TN 37831 USA. [Standaert, Robert F.] Univ Tennessee, Dept Biochem & Cellular & Mol Biol, Knoxville, TN 37996 USA. [Kinnun, Jacob J.; Williams, Justin A.; Wassall, Stephen R.] Indiana Univ Purdue Univ, Dept Phys, Indianapolis, IN 46202 USA. [Katsaras, John] Oak Ridge Natl Lab, Shull Wollan Ctr, Oak Ridge, TN 37831 USA. [Katsaras, John] Univ Tennessee, Dept Phys & Astron, Knoxville, TN 37996 USA. RP Katsaras, J (reprint author), Brock Univ, Dept Phys, St Catharines, ON L2S 3A1, Canada.; Katsaras, J (reprint author), Univ Tennessee, Bredesen Ctr Interdisciplinary Res & Grad Educ, Knoxville, TN 37996 USA.; Katsaras, J (reprint author), Oak Ridge Natl Lab, Biol & Soft Matter Div, Oak Ridge, TN 37831 USA.; Wassall, SR (reprint author), Indiana Univ Purdue Univ, Dept Phys, Indianapolis, IN 46202 USA.; Katsaras, J (reprint author), Oak Ridge Natl Lab, Shull Wollan Ctr, Oak Ridge, TN 37831 USA.; Katsaras, J (reprint author), Univ Tennessee, Dept Phys & Astron, Knoxville, TN 37996 USA. EM swassall@iupui.edu; katsarasj@ornl.gov OI Harroun, Thad/0000-0001-9816-2590; Marquardt, Drew/0000-0001-6848-2497 FU Natural Science and Engineering Research Council (NSERC); National Science Foundation [MCB 1327611]; University of Tennessee-Oak Ridge National Laboratory (ORNL); Joint Institute of Biological Sciences; NSERC Discovery Grant; Shull Wollan Center-a Joint Institute for Neutron Sciences; Department of Energy (DOE) Scientific User Facilities Division, Office of Basic Energy Sciences [DEAC05-00OR2275] FX We thank Professor Howard Riezman (University of Geneva) for the generous gift of the cholesterol-producing yeast strain and protocol. We thank Norbert Kucerka for discussions. Neutron scattering experiments were performed at the Canadian Neutron Beam Centre (Chalk River, ON). Simulations were performed using facilities of the Shared Hierarchical Academic Research Computing Network (SHARCNET: www.sharcnet.ca) and Compute/Calcul Canada. We acknowledge support from the Vanier Canadian Graduate Scholarship from the Natural Science and Engineering Research Council (NSERC, to D. M.); National Science Foundation (MCB 1327611 to D. V. G. and R. E. K.); the University of Tennessee-Oak Ridge National Laboratory (ORNL); Joint Institute of Biological Sciences (to F. A. H.); the NSERC Discovery Grant (to T. A. H.); the Shull Wollan Center-a Joint Institute for Neutron Sciences (to J. K. and F. A. H.); and the Department of Energy (DOE) Scientific User Facilities Division, Office of Basic Energy Sciences, contract no. DEAC05-00OR2275 (to J. K. and F. A. H.). NR 51 TC 0 Z9 0 U1 5 U2 5 PU ROYAL SOC CHEMISTRY PI CAMBRIDGE PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS, ENGLAND SN 1744-683X EI 1744-6848 J9 SOFT MATTER JI Soft Matter PY 2016 VL 12 IS 47 BP 9417 EP 9428 DI 10.1039/c6sm01777k PG 12 WC Chemistry, Physical; Materials Science, Multidisciplinary; Physics, Multidisciplinary; Polymer Science SC Chemistry; Materials Science; Physics; Polymer Science GA EK7DO UT WOS:000394086300004 PM 27801465 ER PT J AU McDermott, D Reichhardt, CJO Reichhardt, C AF McDermott, Danielle Reichhardt, Cynthia J. Olson Reichhardt, Charles TI Structural transitions and hysteresis in clump-and stripe-forming systems under dynamic compression SO SOFT MATTER LA English DT Article ID ION COULOMB CRYSTALS; COMPETING INTERACTIONS; DEFECT FORMATION; SUMMATION; PATTERNS; PHASES AB Using numerical simulations, we study the dynamical evolution of particles interacting via competing long-range repulsion and short-range attraction in two dimensions. The particles are compressed using a time-dependent quasi-one dimensional trough potential that controls the local density, causing the system to undergo a series of structural phase transitions from a low density clump lattice to stripes, voids, and a high density uniform state. The compression proceeds via slow elastic motion that is interrupted with avalanche-like bursts of activity as the system collapses to progressively higher densities via plastic rearrangements. The plastic events vary in magnitude from small rearrangements of particles, including the formation of quadrupole-like defects, to large-scale vorticity and structural phase transitions. In the dense uniform phase, the system compresses through row reduction transitions mediated by a disorder-order process. We characterize the rearrangement events by measuring changes in the potential energy, the fraction of sixfold coordinated particles, the local density, and the velocity distribution. At high confinements, we find power law scaling of the velocity distribution during row reduction transitions. We observe hysteresis under a reversal of the compression when relatively few plastic rearrangements occur. The decompressing system exhibits distinct phase morphologies, and the phase transitions occur at lower compression forces as the system expands compared to when it is compressed. C1 [McDermott, Danielle; Reichhardt, Cynthia J. Olson; Reichhardt, Charles] Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA. [McDermott, Danielle] Wabash Coll, Dept Phys, Crawfordsville, IN 47933 USA. RP Reichhardt, CJO (reprint author), Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA. EM mcdermod@wabash.edu; cjrx@lanl.gov FU NNSA of the U.S. DoE at LANL [DE-AC52-06NA25396]; U.S. DoE, Office of Science, Office of Workforce Development for Teachers and Scientists (WDTS) FX This work was carried out under the auspices of the NNSA of the U.S. DoE at LANL under Contract No. DE-AC52-06NA25396. The work of DM was supported in part by the U.S. DoE, Office of Science, Office of Workforce Development for Teachers and Scientists (WDTS) under the Visiting Faculty Program (VFP). NR 45 TC 0 Z9 0 U1 1 U2 1 PU ROYAL SOC CHEMISTRY PI CAMBRIDGE PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS, ENGLAND SN 1744-683X EI 1744-6848 J9 SOFT MATTER JI Soft Matter PY 2016 VL 12 IS 47 BP 9549 EP 9560 DI 10.1039/c6sm01939k PG 12 WC Chemistry, Physical; Materials Science, Multidisciplinary; Physics, Multidisciplinary; Polymer Science SC Chemistry; Materials Science; Physics; Polymer Science GA EK7DO UT WOS:000394086300017 PM 27834430 ER PT J AU Das, T Lookman, T Bandi, MM AF Das, Tamoghna Lookman, T. Bandi, M. M. TI Morphology dictated heterogeneous dynamics in two-dimensional aggregates SO SOFT MATTER LA English DT Article ID CONCENTRATED LYSOZYME SOLUTIONS; UNIVERSAL SCALING LAW; ANOMALOUS DIFFUSION; PHASE-TRANSITIONS; KINETIC AGGREGATION; SUPERCOOLED LIQUIDS; GLASS-TRANSITION; CONDENSED MATTER; GOLD COLLOIDS; MONTE-CARLO AB Particulate aggregates occur in a variety of non-equilibrium steady-state morphologies ranging from finite-size compact crystalline structures to non-compact string-like conformations. This diversity is due to the competition between pair-wise short range attraction and long range repulsion between particles. We identify different microscopic mechanisms in action by following the simulated particle trajectories for different morphologies in two dimensions at a fixed density and temperature. In particular, we show that the compact clusters are governed by symmetric caging of particles by their nearest neighbors while sidewise asymmetric binding of particles leads to non-compact aggregates. The measured timescales for these two mechanisms are found to be distinctly different providing phenomenological evidence of a relation between microstructure and dynamics of particulate aggregates. Supporting these findings, the time dependent diffusivity is observed to differ across the morphological hierarchy, while the average long-time dynamics is, in general, sub-diffusive at 'low' temperatures. Finally, one generic relation between diffusivity and structural randomness, applicable to simple equilibrium systems, is validated for complex aggregate forming systems through further analysis of the same system at different temperatures. C1 [Das, Tamoghna; Bandi, M. M.] OIST Grad Univ, Collect Interact Unit, Onna, Okinawa 9040495, Japan. [Lookman, T.] Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA. RP Bandi, MM (reprint author), OIST Grad Univ, Collect Interact Unit, Onna, Okinawa 9040495, Japan. EM tamoghna.das@nist.gov; txl@lanl.gov; bandi@oist.jp NR 83 TC 0 Z9 0 U1 3 U2 3 PU ROYAL SOC CHEMISTRY PI CAMBRIDGE PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS, ENGLAND SN 1744-683X EI 1744-6848 J9 SOFT MATTER JI Soft Matter PY 2016 VL 12 IS 48 BP 9674 EP 9682 DI 10.1039/c6sm02239a PG 9 WC Chemistry, Physical; Materials Science, Multidisciplinary; Physics, Multidisciplinary; Polymer Science SC Chemistry; Materials Science; Physics; Polymer Science GA EK7DW UT WOS:000394087100009 PM 27858040 ER PT J AU Johnson, JM Muttoni, G de Leon, N Kaeppler, SM AF Johnson, James M. Muttoni, German de Leon, Natalia Kaeppler, Shawn M. TI Registration of the OhW (Oh43xW64A) Maize Recombinant Inbred Mapping Population SO JOURNAL OF PLANT REGISTRATIONS LA English DT Article ID VARIABILITY; ASSOCIATION; RESISTANCE; LINES AB The Oh43xW64A (OhW) maize (Zea mays L.) mapping population (MP-3, NSL 511549 MAP) consists of 255 recombinant inbred lines (RILs). This mapping population was constructed from a cross between inbred lines Oh43 (Ames 19288) and W64A (PI 587152). Our primary goal was to develop a mapping population segregating for a large number of important agronomic traits using a cross of lines that formed a heterotic hybrid used in the northern Corn Belt. Genetic markers were scored using genotyping-by-sequencing technology, and a high-density genetic map was constructed using the single nucleotide polymorphism data. A wide range of phenotypic diversity among individuals, and transgressive segregation, was observed for all traits measured. The registration of this RIL mapping population provides geneticists and breeders with a highly diverse set of lines in combination with a dense genetic map that can be utilized to identify quantitative trait loci at high mapping resolution. C1 [Johnson, James M.; Muttoni, German; de Leon, Natalia; Kaeppler, Shawn M.] Univ Wisconsin, Dept Agron, Madison, WI 53706 USA. [de Leon, Natalia; Kaeppler, Shawn M.] Univ Wisconsin, DOE Great Lakes Bioenergy Res Ctr, Madison, WI 53706 USA. RP Kaeppler, SM (reprint author), 5585 Guilford Rd, Madison, WI 53711 USA. EM smkaeppl@wisc.edu FU National Institute of Food and Agriculture, United States Department of Agriculture [WIS01330, WIS01645]; Department of Energy Great Lakes Bioenergy Research Center (DOE BER Office of Sciences) [DE-FC02-07ER64494]; NSF-BREAD: United States National Science Foundation/Basic Research to Enhance Agricultural Development [4184-UM-NSF-5380] FX We thank Dustin Eilert, Bill Kojis, Julie Smith and Jimmy Flannery for their assistance in planting and phenotypic data collection. This work was funded by Hatch funds from the National Institute of Food and Agriculture, United States Department of Agriculture project WIS01330 and WIS01645; The Department of Energy Great Lakes Bioenergy Research Center (DOE BER Office of Sciences DE-FC02-07ER64494); and the NSF-BREAD: United States National Science Foundation/Basic Research to Enhance Agricultural Development (grant no. 4184-UM-NSF-5380). NR 17 TC 0 Z9 0 U1 0 U2 0 PU CROP SCIENCE SOC AMER PI MADISON PA 677 S SEGOE ROAD, MADISON, WI 53711 USA SN 1936-5209 EI 1940-3496 J9 J PLANT REGIST JI J. Plant Regist. PD JAN PY 2016 VL 10 IS 1 BP 97 EP 100 DI 10.3198/jpr2014.09.0062crmp PG 4 WC Agronomy; Plant Sciences SC Agriculture; Plant Sciences GA DA0YD UT WOS:000367522600018 ER PT J AU Johnson, JM Muttoni, G de Leon, N Kaeppler, SM AF Johnson, James M. Muttoni, German de Leon, Natalia Kaeppler, Shawn M. TI Registration of the NyH (Ny821xH99) Maize Recombinant Inbred Mapping Population SO JOURNAL OF PLANT REGISTRATIONS LA English DT Article ID ZEA-MAYS L.; LOW-PHOSPHORUS; RESISTANCE; TOLERANCE; STRESS; GROWTH; LENGTH; LINES; H99 AB The Ny821xH99 (NyH) maize (Zea mays L.) mapping population (MP-4, NSL 511548 MAP) is composed of 234 recombinant inbred lines (RILs). The population was developed from an initial cross between inbred lines Ny821 and H99 (PI 587129). The parents of this population were selected on the basis of variation for low phosphorus tolerance, with the parent with higher tolerance, Ny821, having a highly branched root system and the parent with lower tolerance, H99, having a simple root system. The population segregates for a number of agronomic traits, including plant height, ear height, leaf number, and flowering time. A genotype-by-sequencing approach was utilized to produce a high-density genetic map. This population, coupled with the dense genetic marker map, is a useful resource for analysis of traits such as root architecture and abiotic stress tolerance. C1 [Johnson, James M.; Muttoni, German; de Leon, Natalia; Kaeppler, Shawn M.] Univ Wisconsin, Dept Agron, Madison, WI 53706 USA. [de Leon, Natalia; Kaeppler, Shawn M.] Univ Wisconsin, DOE Great Lakes Bioenergy Res Ctr, Madison, WI 53706 USA. RP Kaeppler, SM (reprint author), 5585 Guilford Rd, Madison, WI 53711 USA. EM smkaeppl@wisc.edu FU National Institute of Food and Agriculture, US Department of Agriculture [WIS01330, WIS01645]; Department of Energy Great Lakes Bioenergy Research Center (DOE BER Office of Sciences) [DE-FC02-07ER64494]; NSF-BREAD: United States National Science Foundation/Basic Research to Enhance Agricultural Development [4184-UM-NSF-5380] FX We thank Dustin Eilert, Bill Kojis, Julie Smith, and Jimmy Flannery for their assistance in planting and phenotypic data collection. This work was funded by Hatch funds from the National Institute of Food and Agriculture, US Department of Agriculture project WIS01330 and WIS01645; The Department of Energy Great Lakes Bioenergy Research Center (DOE BER Office of Sciences DE-FC02-07ER64494); and the NSF-BREAD: United States National Science Foundation/Basic Research to Enhance Agricultural Development (grant no. 4184-UM-NSF-5380). NR 18 TC 0 Z9 0 U1 0 U2 0 PU CROP SCIENCE SOC AMER PI MADISON PA 677 S SEGOE ROAD, MADISON, WI 53711 USA SN 1936-5209 EI 1940-3496 J9 J PLANT REGIST JI J. Plant Regist. PD JAN PY 2016 VL 10 IS 1 BP 101 EP 104 DI 10.3198/jpr2014.09.0063crmp PG 4 WC Agronomy; Plant Sciences SC Agriculture; Plant Sciences GA DA0YD UT WOS:000367522600019 ER PT J AU Yang, Y Ostrowski, DP France, RM Zhu, K van de Lagemaat, J Luther, JM Beard, MC AF Yang, Ye Ostrowski, David P. France, Ryan M. Zhu, Kai van de Lagemaat, Jao Luther, Joseph M. Beard, Matthew C. TI Observation of a hot-phonon bottleneck in lead-iodide perovskites SO NATURE PHOTONICS LA English DT Article ID QUANTUM-WELL STRUCTURES; ELECTRON-HOLE PLASMA; SOLAR-CELLS; HALIDE PEROVSKITES; EXCITONIC ABSORPTION; CARRIER RELAXATION; OPTICAL-ABSORPTION; PHOTOEXCITED GAAS; BULK GAAS; SEMICONDUCTORS AB We study the carrier dynamics in planar methyl ammonium lead iodide perovskite films using broadband transient absorption spectroscopy. We show that the sharp optical absorption onset is due to an exciton transition that is inhomogeneously broadened with a binding energy of 9 meV. We fully characterize the transient absorption spectrum by free-carrier-induced bleaching of the exciton transition, quasi-Fermi energy, carrier temperature and bandgap renormalization constant. The photo-induced carrier temperature is extracted from the transient absorption spectra and monitored as a function of delay time for different excitation wavelengths and photon fluences. We find an efficient hot-phonon bottleneck that slows down cooling of hot carriers by three to four orders of magnitude in time above a critical injection carrier density of similar to 5x10(17) cm(-3). Compared with molecular beam epitaxially grown GaAs, the critical density is an order of magnitude lower and the relaxation time is approximately three orders of magnitude longer. C1 [Yang, Ye; Ostrowski, David P.; France, Ryan M.; Zhu, Kai; van de Lagemaat, Jao; Luther, Joseph M.; Beard, Matthew C.] Natl Renewable Energy Lab, Chem & Nanosci Sci Ctr, Golden, CO 80401 USA. RP Beard, MC (reprint author), Natl Renewable Energy Lab, Chem & Nanosci Sci Ctr, Golden, CO 80401 USA. EM matt.beard@nrel.gov RI Yang, Ye/D-5675-2015; OI BEARD, MATTHEW/0000-0002-2711-1355 FU Division of Chemical Sciences, Geosciences, and Biosciences, Office of Basic Energy Sciences of the US Department of Energy through the Solar Photochemistry programme [DE-AC36-08GO28308]; US Department of Energy/National Renewable Energy Laboratory's Laboratory Directed Research and Development (LDRD) programme FX The authors thank A.J. Nozik for discussions. This work was supported by the Division of Chemical Sciences, Geosciences, and Biosciences, Office of Basic Energy Sciences of the US Department of Energy through the Solar Photochemistry programme contract no. DE-AC36-08GO28308 to the National Renewable Energy Laboratory, Golden, CO. J.M.L. was supported by the US Department of Energy/National Renewable Energy Laboratory's Laboratory Directed Research and Development (LDRD) programme. The authors thank S. Saha for preparing some of the perovskite films. The publisher, by accepting the article for publication, acknowledges that the US Government retains a non-exclusive, paid up, irrevocable, worldwide licence to publish or reproduce the published form of this work, or allow others to do so, for US Government purposes. NR 42 TC 65 Z9 65 U1 11 U2 11 PU NATURE PUBLISHING GROUP PI LONDON PA MACMILLAN BUILDING, 4 CRINAN ST, LONDON N1 9XW, ENGLAND SN 1749-4885 EI 1749-4893 J9 NAT PHOTONICS JI Nat. Photonics PD JAN PY 2016 VL 10 IS 1 BP 53 EP 59 DI 10.1038/NPHOTON.2015.213 PG 7 WC Optics; Physics, Applied SC Optics; Physics GA CZ6GY UT WOS:000367200400014 ER PT S AU Haslam, D Zubair, M Ranjan, D Biswas, A He, J AF Haslam, Devin Zubair, Mohammad Ranjan, Desh Biswas, Abhishek He, Jing BE Tian, T Jiang, Q Liu, Y Burrage, K Song, J Wang, Y Hu, X Morishita, S Zhu, Q Wang, G TI CHALLENGES IN MATCHING SECONDARY STRUCTURES IN CRYO-EM: AN EXPLORATION SO 2016 IEEE INTERNATIONAL CONFERENCE ON BIOINFORMATICS AND BIOMEDICINE (BIBM) SE IEEE International Conference on Bioinformatics and Biomedicine-BIBM LA English DT Proceedings Paper CT IEEE International Conference on Bioinformatics and Biomedicine (IEEE BIBM) CY DEC 15-18, 2016 CL Shenzhen, PEOPLES R CHINA SP IEEE, IEEE Comp Soc, Natl Sci Fdn, Harbin Inst Technol DE protein; algorithms; cryo-electron microscopy; graph; secondary structure; topology; heuristic ID RESOLUTION DENSITY MAPS; STRUCTURE ELEMENTS; PROTEIN-STRUCTURE; PREDICTION SERVER; ALGORITHM; IDENTIFICATION; GRAPH AB Cryo-electron microscopy is a fast emerging biophysical technique for structural determination of large protein complexes. While more atomic structures are being determined using this technique, it is still challenging to derive atomic structures from density maps produced at medium resolution when no suitable templates are available. A critical step in structure determ ination is how a protein chain threads through the 3-dimensional density map. A dynamic programm ing method was previously developed to generate K best matches of secondary structures between the density map and its protein sequence using shortest paths in a related weighted graph. We discuss challenges associated with the creation of the weighted graph and explore heuristic methods to solve the problem of matching secondary structures. C1 [Haslam, Devin; Zubair, Mohammad; Ranjan, Desh; He, Jing] Old Dominion Univ, Dept Comp Sci, Norfolk, VA 23529 USA. [Biswas, Abhishek] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA. RP He, J (reprint author), Old Dominion Univ, Dept Comp Sci, Norfolk, VA 23529 USA. EM jhe@cs.odu.edu FU NSF [DBI-1356621]; NIH [R01-GM062968]; Honors College of Old Dominion University FX Corresponding author: Jing He, jhe@cs.odu.edu. This work is partially supported by NSF DBI-1356621, NIH R01-GM062968, and Undergraduate Research Fellowship to Devin Haslam from the Honors College of Old Dominion University. NR 23 TC 0 Z9 0 U1 0 U2 0 PU IEEE COMPUTER SOC PI LOS ALAMITOS PA 10662 LOS VAQUEROS CIRCLE, PO BOX 3014, LOS ALAMITOS, CA 90720-1264 USA SN 2156-1125 BN 978-1-5090-1610-5 J9 IEEE INT C BIOINFORM PY 2016 BP 1714 EP 1719 PG 6 WC Computer Science, Interdisciplinary Applications; Medical Informatics SC Computer Science; Medical Informatics GA BG9GY UT WOS:000393191700291 ER PT J AU Su, Q Wang, F Cui, B Kirk, MA Nastasi, M AF Su, Qing Wang, Fei Cui, Bai Kirk, Marquis A. Nastasi, Michael TI Temperature-dependent ion-beam mixing in amorphous SiOC/crystalline Fe composite SO MATERIALS RESEARCH LETTERS LA English DT Article DE Radiation tolerant materials; amorphous SiOC; nanocrystalline Fe; interface; temperature-dependent demixing ID SILICON OXYCARBIDE GLASSES; THERMAL-STABILITY; RADIATION-DAMAGE; CU-AU; IRRADIATION; SIOC; SEMICONDUCTORS; INTERFACES; MECHANISMS; VISCOSITY AB The irradiation stability of amorphous SiOC and crystalline Fe interface was investigated by in-situ Kr ion mixing. Results showed intermixing between Fe and SiOC was most severe for irradiation at 50 K and the intermixing decreases as irradiation temperature increases. These findings suggest two characteristic regimes of ion mixing: one regime is independent of temperature and due to ballistic mixing and the other regime is dependent on temperature and is referred to as radiation-enhanced demixing. The occurrence of the temperature-independent mixing and temperature-dependent demixing regimes indicates that the Fe/SiOC nanocomposite is thermodynamically stable and radiation tolerant at elevated temperatures. [GRAPICS] IMPACT STATEMENT This report reveals two characteristic ion mixing regimes in Fe/SiOC system: one temperature-independent regime and the other temperature-dependent demixing regime, indicating its thermodynamically stability and radiation tolerance at elevated temperatures. C1 [Su, Qing; Nastasi, Michael] Univ Nebraska, Nebraska Ctr Energy Sci Res, Lincoln, NE 68588 USA. [Wang, Fei; Cui, Bai; Nastasi, Michael] Univ Nebraska, Dept Mech & Mat Engn, Lincoln, NE USA. [Kirk, Marquis A.] Argonne Natl Lab, Nucl Engn Div, 9700 S Cass Ave, Argonne, IL 60439 USA. [Nastasi, Michael] Univ Nebraska, Nebraska Ctr Mat & Nanosci, Lincoln, NE USA. RP Su, Q (reprint author), Univ Nebraska, Nebraska Ctr Energy Sci Res, Lincoln, NE 68588 USA. EM qsu3@unl.edu FU DoE Office of Nuclear Energy, Nuclear Energy Enabling Technologies [DE-NE0000533]; Nebraska Research Initiative FX This work was supported by the DoE Office of Nuclear Energy, Nuclear Energy Enabling Technologies [grant number DE-NE0000533]. In addition, it is in part supported by the Nebraska Research Initiative. NR 31 TC 1 Z9 1 U1 2 U2 2 PU TAYLOR & FRANCIS INC PI PHILADELPHIA PA 530 WALNUT STREET, STE 850, PHILADELPHIA, PA 19106 USA SN 2166-3831 J9 MATER RES LETT JI Mater. Res. Lett. PY 2016 VL 4 IS 4 BP 198 EP 203 DI 10.1080/21663831.2016.1174164 PG 6 WC Materials Science, Multidisciplinary SC Materials Science GA EJ3LG UT WOS:000393113100003 ER PT J AU Carrete, J Li, W Lindsay, L Broido, DA Gallego, LJ Mingo, N AF Carrete, Jesus Li, Wu Lindsay, Lucas Broido, David A. Gallego, Luis J. Mingo, Natalio TI Physically founded phonon dispersions of few-layer materials and the case of borophene SO MATERIALS RESEARCH LETTERS LA English DT Article DE 2D; Thermal Transport; Borophene; Nanomaterials; Phonons ID THERMAL-CONDUCTIVITY; BORON; PHOSPHORENE; TRANSITION; GRAPHENE; LATTICE; PLANAR; POLYMORPHS; NANOTUBES; TRANSPORT AB By building physically sound interatomic force constants, weoffer evidence of the universal presence of a quadratic phonon branch in all unstrained 2D materials, thus contradicting much of the existing literature. Through a reformulation of the interatomic force constants (IFCs) in terms of internal coordinates, we find that a delicate balance between the IFCs is responsible for this quadraticity. We use this approach to predict the thermal conductivity of Pmmn borophene, which is comparable to that of MoS2, and displays a remarkable in-plane anisotropy. These qualities may enable the efficient heat management of borophene devices in potential nanoelectronic applications. [GRAPICS] IMPACT STATEMENT The newly found universality of quadratic dispersion will change the way 2D-material phonons are calculated. Predicted results for borophene shallbecomea fundamental reference for future research on this material. C1 [Carrete, Jesus; Li, Wu; Mingo, Natalio] CEA Grenoble, LITEN, 17 Rue Martyrs, F-38054 Grenoble, France. [Lindsay, Lucas] Oak Ridge Natl Lab, Div Mat Sci & Technol, Oak Ridge, TN 37831 USA. [Broido, David A.] Boston Coll, Dept Phys, Chestnut Hill, MA 02467 USA. [Gallego, Luis J.] Univ Santiago de Compostela, Fac Fis, Dept Fis Mat Condensada, E-15782 Santiago De Compostela, Spain. RP Mingo, N (reprint author), CEA Grenoble, LITEN, 17 Rue Martyrs, F-38054 Grenoble, France. EM natalio.mingo@cea.fr OI Carrete Montana, Jesus/0000-0003-0971-1098 FU Air Force Office of Sponsored Research [FA9550-15-1-0187]; European Union's Horizon 2020 Research and Innovation Programme [645776]; ANR Carnot SIEVE; M-Era program through project ICETS; Spanish Ministry of Economy and Competitiveness [FIS2012-33126]; Xunta de Galicia [AGRUP2015/11]; European Regional Development Fund (FEDER); U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences, Materials Sciences and Engineering Division; NSF EFRI 2-DARE program [1402949]; ONR [N00014-13-1-0234] FX This work has been partly supported by the Air Force Office of Sponsored Research [grant number FA9550-15-1-0187], the European Union's Horizon 2020 Research and Innovation Programme [grant number 645776 (ALMA)], ANR Carnot SIEVE, and the M-Era program through project ICETS. L.J.G. acknowledges the support provided by the Spanish Ministry of Economy and Competitiveness [Project FIS2012-33126] and by the Xunta de Galicia [AGRUP2015/11], in conjunction with the European Regional Development Fund (FEDER). L.L. acknowledges support from the U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences, Materials Sciences and Engineering Division for work done at ORNL. D.A.B. acknowledges support from the NSF EFRI 2-DARE program [grant number 1402949] and from ONR [grant number N00014-13-1-0234]. NR 49 TC 8 Z9 8 U1 6 U2 6 PU TAYLOR & FRANCIS INC PI PHILADELPHIA PA 530 WALNUT STREET, STE 850, PHILADELPHIA, PA 19106 USA SN 2166-3831 J9 MATER RES LETT JI Mater. Res. Lett. PY 2016 VL 4 IS 4 BP 204 EP 211 DI 10.1080/21663831.2016.1174163 PG 8 WC Materials Science, Multidisciplinary SC Materials Science GA EJ3LG UT WOS:000393113100004 ER PT J AU Gupta, VK Grigoriev, IV Berrin, J Upadhyay, RS Zeilinger-Migsich, S AF Gupta, V. K. Grigoriev, I., V Berrin, J. G. Upadhyay, R. S. Zeilinger-Migsich, S. TI Biotechnological Innovations through Fungi SO MYCOSPHERE LA English DT Editorial Material C1 [Gupta, V. K.] Natl Univ Ireland Galway, Mol Glycobiotechnol Grp, Discipline Biochem, Galway, Ireland. [Grigoriev, I., V] US DOE, Joint Genome Inst, 2800 Mitchell Dr, Walnut Creek, CA USA. [Grigoriev, I., V] Univ Calif Berkeley, Ctr Integrat Genom, Mailstop 84-171, Berkeley, CA 94720 USA. [Grigoriev, I., V] Lawrence Berkeley Natl Lab, Genom Div, Mailstop 84-171, Berkeley, CA 94720 USA. [Berrin, J. G.] Lab Biotechnol Champignons Filamenteux, Marseille, France. [Upadhyay, R. S.] Banaras Hindu Univ, Dept Bot, Ctr Adv Study, Varanasi 221005, Uttar Pradesh, India. [Zeilinger-Migsich, S.] Univ Innsbruck, Inst Microbiol, Technikerstr 25, A-6020 Innsbruck, Austria. RP Gupta, VK (reprint author), Natl Univ Ireland Galway, Mol Glycobiotechnol Grp, Discipline Biochem, Galway, Ireland. EM vijaifzd@gmail.com NR 0 TC 0 Z9 0 U1 1 U2 1 PU MYCOSPHERE PRESS PI GUIYANG PA GUIZHOU KEY LAB AGRIC BIOTECH, GUIZHOU ACAD AGRIC SCI, GUIYANG, 00000, PEOPLES R CHINA SN 2077-7000 J9 MYCOSPHERE JI Mycosphere PY 2016 VL 7 IS 10 SI SI BP 1490 EP 1490 DI 10.5943/mycosphere/si/3b/11 PG 1 WC Mycology SC Mycology GA EJ2MG UT WOS:000393043700001 ER PT S AU Muckley, ES Anazagasty, C Jacobs, CB Hianik, T Ivanov, IN AF Muckley, Eric S. Anazagasty, Cristain Jacobs, Christopher B. Hianik, Tibor Ivanov, Ilia N. BE Kymissis, I Shinar, R Torsi, L TI Low-cost scalable quartz crystal microbalance array for environmental sensing SO ORGANIC SENSORS AND BIOELECTRONICS IX SE Proceedings of SPIE LA English DT Proceedings Paper CT Conference on Organic Sensors and Bioelectronics IX CY AUG 28-29, 2016 CL San Diego, CA SP SPIE ID GAS SENSOR ARRAY; ELECTRONIC NOSE; COATINGS; HUMIDITY; SYSTEM; FILMS AB Proliferation of environmental sensors for internet of things (IoT) applications has increased the need for low-cost platforms capable of accommodating multiple sensors. Quartz crystal microbalance (QCM) crystals coated with nanometer-thin sensor films are suitable for use in high-resolution (similar to 1 ng) selective gas sensor applications. We demonstrate a scalable array for measuring frequency response of six QCM sensors controlled by low-cost Arduino microcontrollers and a USB multiplexer. Gas pulses and data acquisition were controlled by a LabVIEW user interface. We test the sensor array by measuring the frequency shift of crystals coated with different compositions of polymer composites based on poly(3,4-ethylenedioxythiophene):polystyrene sulfonate (PEDOT:PSS) while films are exposed to water vapor and oxygen inside a controlled environmental chamber. Our sensor array exhibits comparable performance to that of a commercial QCM system, while enabling high-throughput 6 QCM testing for under $1,000. We use deep neural network structures to process sensor response and demonstrate that the QCM array is suitable for gas sensing, environmental monitoring, and electronic-nose applications. C1 [Muckley, Eric S.; Anazagasty, Cristain; Jacobs, Christopher B.; Ivanov, Ilia N.] Oak Ridge Natl Lab, Ctr Nanophase Mat Sci, Oak Ridge, TN 37831 USA. [Muckley, Eric S.] Univ Tennessee, Bredesen Ctr Energy Sci & Engn, Knoxville, TN 37996 USA. [Hianik, Tibor] Comenius Univ, Fac Math Phys & Informat, Bratislava 84248, Slovakia. RP Muckley, ES; Ivanov, IN (reprint author), Oak Ridge Natl Lab, Ctr Nanophase Mat Sci, Oak Ridge, TN 37831 USA.; Muckley, ES (reprint author), Univ Tennessee, Bredesen Ctr Energy Sci & Engn, Knoxville, TN 37996 USA. EM muckleyes@ornl.gov; ivanovin@ornl.gov FU ORNL Laboratory Directed Research and Development program; European Union [690898]; U.S. Department of Energy [DE-AC05-00OR22725]; [CNMS2014-324] FX The authors thank Vladimir Martis and Daryl Williams at Surface Measurement Systems Ltd.15 for their support in developing the experimental design. The research was conducted at the Center for Nanophase Materials Sciences, which is a DOE Office of Science User Facility. CJ acknowledges financial support from ORNL Laboratory Directed Research and Development program. The sample of MWCNT was provided through user project CNMS2014-324. TH acknowledges funding from the European Union's Horizon 2020 research and innovation program under the Marie Sklodowska-Curie grant agreement No. 690898. This manuscript has been authored by UT-Battelle, LLC under Contract No. DE-AC05-00OR22725 with the U.S. Department of Energy. NR 15 TC 0 Z9 0 U1 1 U2 1 PU SPIE-INT SOC OPTICAL ENGINEERING PI BELLINGHAM PA 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA SN 0277-786X BN 978-1-5106-0280-9 J9 PROC SPIE PY 2016 VL 9944 AR UNSP 99440Y DI 10.1117/12.2237942 PG 8 WC Biophysics; Engineering, Electrical & Electronic SC Biophysics; Engineering GA BG9EZ UT WOS:000393153000018 ER PT S AU Muckley, ES Miller, N Gredig, T Ivanov, IN AF Muckley, Eric S. Miller, Nicholas Gredig, Thomas Ivanov, Ilia N. BE Kymissis, I Shinar, R Torsi, L TI Effect of film morphology on oxygen and water interaction with copper phthalocyanine SO ORGANIC SENSORS AND BIOELECTRONICS IX SE Proceedings of SPIE LA English DT Proceedings Paper CT Conference on Organic Sensors and Bioelectronics IX CY AUG 28-29, 2016 CL San Diego, CA SP SPIE ID FIELD-EFFECT TRANSISTOR; THIN-FILM; GAS SENSOR; TEMPERATURE; SUBSTRATE; THICKNESS AB Copper phthalocyanine (CuPc) films of thickness 25 nm and 100 nm were grown by thermal sublimation at 25 degrees C, 150 degrees C, and 250 degrees C in order to vary morphology. Using a source-measure unit and a quartz crystal microbalance (QCM), we measured changes in electrical resistance and film mass in situ during exposure to controlled pulses of O-2 and H2O vapor. Mass loading by O-2 was enhanced by a factor of 5 in films deposited at 250 degrees C, possibly due to the similar to 200 degrees C CuPc alpha ->beta transition which allows higher O-2 mobility between stacked molecules. While gas/vapor sorption occurred over timescales of <10 minutes, resistance change occurred over timescales >1 hour, suggesting that mass change occurs by rapid adsorption at active surface sites, whereas resistive response is dominated by slow diffusion of adsorbates into the film bulk. Resistive response generally increases with film deposition temperature due to increased porosity associated with larger crystalline domains. The 25 nm thick films exhibit higher resistive response than 100 nm thick films after an hour of O-2/H2O exposure due to the smaller analyte diffusion length required for reaching the film/electrode interface. We found evidence of decoupling of CuPc from the gold-coated QCM crystal due to preferential adsorption of O-2/H2O molecules on gold, which is consistent with findings of other studies. C1 [Muckley, Eric S.; Ivanov, Ilia N.] Oak Ridge Natl Lab, Ctr Nanophase Mat Sci, Oak Ridge, TN 37831 USA. [Muckley, Eric S.] Univ Tennessee, Bredesen Ctr Energy Sci & Engn, Knoxville, TN 37996 USA. [Miller, Nicholas; Gredig, Thomas] Calif State Univ Long Beach, Dept Phys & Astron, Long Beach, CA 90840 USA. RP Muckley, ES (reprint author), Oak Ridge Natl Lab, Ctr Nanophase Mat Sci, Oak Ridge, TN 37831 USA.; Muckley, ES (reprint author), Univ Tennessee, Bredesen Ctr Energy Sci & Engn, Knoxville, TN 37996 USA. NR 33 TC 0 Z9 0 U1 0 U2 0 PU SPIE-INT SOC OPTICAL ENGINEERING PI BELLINGHAM PA 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA SN 0277-786X BN 978-1-5106-0280-9 J9 PROC SPIE PY 2016 VL 9944 AR UNSP 99440V DI 10.1117/12.2236514 PG 9 WC Biophysics; Engineering, Electrical & Electronic SC Biophysics; Engineering GA BG9EZ UT WOS:000393153000017 ER PT B AU Bosma, B Simmons, A Lomonaco, P Ruehl, K Gunawan, B AF Bosma, Bret Simmons, Asher Lomonaco, Pedro Ruehl, Kelley Gunawan, Budi GP ASME TI WEC-SIM PHASE 1 VALIDATION TESTING - EXPERIMENTAL SETUP AND INITIAL RESULTS SO PROCEEDINGS OF THE ASME 35TH INTERNATIONAL CONFERENCE ON OCEAN, OFFSHORE AND ARCTIC ENGINEERING , 2016, VOL 6 LA English DT Proceedings Paper CT 35th ASME International Conference on Ocean, Offshore and Arctic Engineering CY JUN 19-24, 2016 CL Busan, SOUTH KOREA SP ASME, Ocean Offshore & Arctic Engn Div AB In the wave energy industry, there is a need for open source numerical codes and publicly available experimental data, both of which are being addressed through the development of WEC-Sim by Sandia National Laboratories and the National Renewable Energy Laboratory (NREL). WEC-Sim is an open source code used to model wave energy converters (WECs) when subject to incident waves. In order for the WEC-Sim code to be useful, code verification and physical model validation is necessary. This paper describes the wave tank testing for the 1:33 scale experiments of a Floating Oscillating Surge Wave Energy Converter (FOSWEC). The WEC-Sim experimental data set will help to advance the wave energy converter industry by providing a free, high-quality data set for researchers and developers. This paper describes the WEC-Sim open source wave energy converter simulation tool, experimental validation plan, and presents preliminary experimental results from the FOSWEC Phase 1 testing. C1 [Bosma, Bret; Simmons, Asher; Lomonaco, Pedro] Oregon State Univ, Corvallis, OR 97331 USA. [Ruehl, Kelley; Gunawan, Budi] Sandia Natl Labs, POB 5800, Albuquerque, NM 87185 USA. RP Bosma, B (reprint author), Oregon State Univ, Corvallis, OR 97331 USA. FU Department of Energy's EERE Office's; DOE [DE-AC05-06OR23100]; OSU HWRL FX This research was also supported in part by the Department of Energy's EERE Office's. Wind and Water Power Technologies Office's Postdoctoral Research Awards administered by the Oak Ridge Institute for Science and Education (ORISE) for the DOE. ORISE is managed by Oak Ridge Associated Universities (ORAU) under DOE contract number DE-AC05-06OR23100. All opinions expressed in this paper are the author's and do not necessarily reflect the policies and views of DOE, ORAU, or ORISE.; The authors would also like to thank Christopher A. Kelley and Carlos Michelen from Sandia National Laboratories, Yi-Hsiang Yu and Michael Lawson from NREL, Andrews-Cooper for the design and fabrication of the FOSWEC, +D for design and fabrication of the motion constraint, and OSU HWRL for their part in supporting this research. NR 13 TC 0 Z9 0 U1 0 U2 0 PU AMER SOC MECHANICAL ENGINEERS PI NEW YORK PA THREE PARK AVENUE, NEW YORK, NY 10016-5990 USA BN 978-0-7918-4997-2 PY 2016 AR UNSP V006T09A025 PG 10 WC Engineering, Environmental; Engineering, Mechanical SC Engineering GA BG9DQ UT WOS:000393090900048 ER PT B AU Fleming, PA Peiffer, A Schlipf, D AF Fleming, Paul A. Peiffer, Antoine Schlipf, David GP ASME TI WIND TURBINE CONTROLLER TO MITIGATE STRUCTURAL LOADS ON A FLOATING WIND TURBINE PLATFORM SO PROCEEDINGS OF THE ASME 35TH INTERNATIONAL CONFERENCE ON OCEAN, OFFSHORE AND ARCTIC ENGINEERING , 2016, VOL 6 LA English DT Proceedings Paper CT 35th ASME International Conference on Ocean, Offshore and Arctic Engineering CY JUN 19-24, 2016 CL Busan, SOUTH KOREA SP ASME, Ocean Offshore & Arctic Engn Div AB This paper summarizes the control design work that was performed to optimize the controller of a wind turbine on the Wind Float structure. The WindFloat is a semi-submersible floating platform designed to be a support structure for a multi-megawatt power-generating wind turbine. A controller developed for a bottom-fixed wind turbine configuration was modified for use when the turbine is mounted on the WindFloat platform. This results in an efficient platform heel resonance mitigation scheme. In addition several control modules, designed with a coupled linear model, were added to the fixed-bottom baseline controller. The approach was tested in a fully coupled nonlinear aero-hydroelastic simulation tool in which wind and wave disturbances were modeled. This testing yielded significant improvements in platform global performance and tower-base-bending loading. C1 [Fleming, Paul A.] Natl Renewable Energy Lab, Natl Wind Technol Ctr, Golden, CO 80305 USA. [Peiffer, Antoine] Principle Power Inc, 2321 4th St, Berkeley, CA 94710 USA. [Schlipf, David] Univ Stuttgart, D-70174 Stuttgart, Germany. RP Peiffer, A (reprint author), Principle Power Inc, 2321 4th St, Berkeley, CA 94710 USA. EM paul.fleming@nrel.gov; apeiffer@principlepowerinc.com; schlipf@IFB.Uni-Stuttgart.de FU U.S. Department of Energy, Energy Efficiency and Renewable Energy [DE-EE0005987]; U.S. Department of Energy [DE-AC36-08GO28308]; NREL FX Funding for this work was provided by Principle Power under the U.S. Department of Energy, Energy Efficiency and Renewable Energy grant DE-EE0005987-WindFloat Pacific Project. This work was also supported by the U.S. Department of Energy under Contract No. DE-AC36-08GO28308 with the NREL. The authors kindly acknowledge the funding from these organizations NR 17 TC 0 Z9 0 U1 0 U2 0 PU AMER SOC MECHANICAL ENGINEERS PI NEW YORK PA THREE PARK AVENUE, NEW YORK, NY 10016-5990 USA BN 978-0-7918-4997-2 PY 2016 AR UNSP V006T09A044 PG 11 WC Engineering, Environmental; Engineering, Mechanical SC Engineering GA BG9DQ UT WOS:000393090900067 ER PT B AU Quon, E Platt, A Yu, YH Lawson, M AF Quon, Eliot Platt, Andrew Yu, Yi-Hsiang Lawson, Michael GP ASME TI APPLICATION OF THE MOST LIKELY EXTREME RESPONSE METHOD FOR WAVE ENERGY CONVERTERS SO PROCEEDINGS OF THE ASME 35TH INTERNATIONAL CONFERENCE ON OCEAN, OFFSHORE AND ARCTIC ENGINEERING , 2016, VOL 6 LA English DT Proceedings Paper CT 35th ASME International Conference on Ocean, Offshore and Arctic Engineering CY JUN 19-24, 2016 CL Busan, SOUTH KOREA SP ASME, Ocean Offshore & Arctic Engn Div DE Wave energy; extreme conditions; most likely extreme response; computational fluid dynamics AB Extreme loads are often a key cost driver for wave energy converters (WECs). As an alternative to exhaustive Monte Carlo or long-term simulations, the most likely extreme response (MLER) method allows mid- and high-fidelity simulations to be used more efficiently in evaluating WEC response to events at the edges of the design envelope, and is therefore applicable to system design analysis. The study discussed in this paper applies the MLER method to investigate the maximum heave, pitch, and surge force of a point absorber WEC. Most likely extreme waves were obtained from a set of wave statistics data based on spectral analysis and the response amplitude operators (RAOs) of the floating body; the RAOs were computed from a simple radiation-and-diffraction-theory-based numerical model. A weakly nonlinear numerical method and a computational fluid dynamics (CFD) method were then applied to compute the short-term response to the MLER wave. Effects of nonlinear wave and floating body interaction on the WEC under the anticipated 100 year waves were examined by comparing the results from the linearly superimposed RAOs, the weakly nonlinear model, and CFD simulations. Overall, the MLER method was successfully applied. In particular, when coupled to a high-fidelity CFD analysis, the nonlinear fluid dynamics can be readily captured. C1 [Quon, Eliot; Platt, Andrew; Yu, Yi-Hsiang; Lawson, Michael] Natl Renewable Energy Lab, Golden, CO 80401 USA. RP Yu, YH (reprint author), Natl Renewable Energy Lab, Golden, CO 80401 USA. EM Eliot.Quon@nrel.gov; Andrew.Platt@nrel.gov; Yi-Hsiang.Yu@nrel.gov; Michael.Lawson@nrel.gov FU U.S. Department of Energy [DE-AC36-08GO28308]; National Renewable Energy Laboratory; DOE Office of Energy Efficiency and Renewable Energy, Wind and Water Power Technologies Office FX This work was supported by the U.S. Department of Energy under Contract No. DE-AC36-08GO28308 with the National Renewable Energy Laboratory. Funding for the work was provided by the DOE Office of Energy Efficiency and Renewable Energy, Wind and Water Power Technologies Office. NR 18 TC 0 Z9 0 U1 0 U2 0 PU AMER SOC MECHANICAL ENGINEERS PI NEW YORK PA THREE PARK AVENUE, NEW YORK, NY 10016-5990 USA BN 978-0-7918-4997-2 PY 2016 AR UNSP V006T09A022 PG 11 WC Engineering, Environmental; Engineering, Mechanical SC Engineering GA BG9DQ UT WOS:000393090900045 ER PT B AU Ruehl, K Michelen, C Bosma, B Yu, YH AF Ruehl, Kelley Michelen, Carlos Bosma, Bret Yu, Yi-Hsiang GP ASME TI WEC-SIM PHASE 1 VALIDATION TESTING - NUMERICAL MODELING OF EXPERIMENTS SO PROCEEDINGS OF THE ASME 35TH INTERNATIONAL CONFERENCE ON OCEAN, OFFSHORE AND ARCTIC ENGINEERING , 2016, VOL 6 LA English DT Proceedings Paper CT 35th ASME International Conference on Ocean, Offshore and Arctic Engineering CY JUN 19-24, 2016 CL Busan, SOUTH KOREA SP ASME, Ocean Offshore & Arctic Engn Div AB The Wave Energy Converter Simulator (WEC-Sim) is an open-source code jointly developed by Sandia National Laboratories and the National Renewable Energy Laboratory. It is used to model wave energy converters subjected to operational and extreme waves. In order for the WEC-Sim code to be beneficial to the wave energy community, code verification and physical model validation is necessary. This paper describes numerical modeling of the wave tank testing for the 1:33-scale experimental testing of the floating oscillating surge wave energy converter. The comparison between WEC-Sim and the Phase 1 experimental data set serves as code validation. This paper is a follow-up to the WEC-Sim paper on experimental testing, and describes the WEC-Sim numerical simulations for the floating oscillating surge wave energy converter. C1 [Ruehl, Kelley; Michelen, Carlos] Sandia Natl Labs, POB 5800, Albuquerque, NM 87185 USA. [Bosma, Bret] Oregon State Univ, Corvallis, OR 97331 USA. [Yu, Yi-Hsiang] Natl Renewable Energy Lab, Golden, CO USA. RP Ruehl, K (reprint author), Sandia Natl Labs, POB 5800, Albuquerque, NM 87185 USA. FU Department of Energy's EERE Office's Wind and Water Power Technologies Office; Sandia National Laboratories; U.S. Department of Energy's National Nuclear Security Administration [DE-AC04-94AL85000]; U.S. Department of Energy [DE-AC36-08GO28308]; National Renewable Energy Laboratory FX This research was possible through support from the Department of Energy's EERE Office's Wind and Water Power Technologies Office. The work was supported by Sandia National Laboratories, a multi-program laboratory managed and operated by Sandia Corporation, a wholly owned subsidiary of Lockheed Martin Corporation, for the U.S. Department of Energy's National Nuclear Security Administration under contract DE-AC04-94AL85000. This work was also supported by the U.S. Department of Energy under Contract No. DE-AC36-08GO28308 with the National Renewable Energy Laboratory. NR 10 TC 0 Z9 0 U1 0 U2 0 PU AMER SOC MECHANICAL ENGINEERS PI NEW YORK PA THREE PARK AVENUE, NEW YORK, NY 10016-5990 USA BN 978-0-7918-4997-2 PY 2016 AR UNSP V006T09A026 PG 9 WC Engineering, Environmental; Engineering, Mechanical SC Engineering GA BG9DQ UT WOS:000393090900049 ER PT B AU Sirnivas, S Yu, YH Hall, M Bosma, B AF Sirnivas, Senu Yu, Yi-Hsiang Hall, Matthew Bosma, Bret GP ASME TI COUPLED MOORING ANALYSES FOR THE WEC-SIM WAVE ENERGY CONVERTER DESIGN TOOL SO PROCEEDINGS OF THE ASME 35TH INTERNATIONAL CONFERENCE ON OCEAN, OFFSHORE AND ARCTIC ENGINEERING , 2016, VOL 6 LA English DT Proceedings Paper CT 35th ASME International Conference on Ocean, Offshore and Arctic Engineering CY JUN 19-24, 2016 CL Busan, SOUTH KOREA SP ASME, Ocean Offshore & Arctic Engn Div DE Wave energy; mooring dynamics analysis; time-domain numerical model; radiation and diffraction theory; lumped-mass model AB A wave-energy-converter-specific time-domain modeling method (WEC-Sim) was coupled with a lumped-mass-based mooring model (MoorDyn) to improve its mooring dynamics modeling capability. This paper presents a verification and validation study on the coupled numerical method. First, a coupled model was built to simulate a 1/25 model scale floating power system connected to a traditional three-point catenary mooring with an angle of 120 between the lines. The body response and the tension force on the mooring lines at the fairlead in decay tests and under regular and irregular waves were examined. To validate and verify the coupled numerical method, the simulation results were compared to the measurements from a wave tank test and a commercial code (OrcaFlex). Second, a coupled model was built to simulate a two-body point absorber system with a chain-connected catenary system. The influence of the mooring connection on the point absorber was investigated. Overall, the study showed that the coupling of WEC-Sim and the MoorDyn model works reasonably well for simulating a floating system with practical mooring designs and predicting the corresponding dynamic loads on the mooring lines. Further analyses on improving coupling efficiency and the feasibility of applying the numerical method to simulate WEC systems with more complex mooring configuration are still needed. C1 [Sirnivas, Senu; Yu, Yi-Hsiang] Natl Renewable Energy Lab, Golden, CO 80401 USA. [Hall, Matthew] Univ Maine, Orono, ME USA. [Bosma, Bret] Oregon State Univ, Corvallis, OR 97331 USA. RP Yu, YH (reprint author), Natl Renewable Energy Lab, Golden, CO 80401 USA. EM senu.sirnivas@nrel.gov; yi-hsiang.yu@nrel.gov; matthew.hall1@maine.edu; bosma@eecs.oregonstate.edu FU U.S. Department of Energy [DE-AC36-08GO28308]; National Renewable Energy Laboratory; DOE Office of Energy Efficiency and Renewable Energy, Wind and Water Power Technologies Office FX This work was supported by the U.S. Department of Energy under Contract No. DE-AC36-08GO28308 with the National Renewable Energy Laboratory. Funding for the work was provided by the DOE Office of Energy Efficiency and Renewable Energy, Wind and Water Power Technologies Office. NR 11 TC 0 Z9 0 U1 0 U2 0 PU AMER SOC MECHANICAL ENGINEERS PI NEW YORK PA THREE PARK AVENUE, NEW YORK, NY 10016-5990 USA BN 978-0-7918-4997-2 PY 2016 AR UNSP V006T09A023 PG 9 WC Engineering, Environmental; Engineering, Mechanical SC Engineering GA BG9DQ UT WOS:000393090900046 ER PT B AU Tom, NM Yu, YH Wright, AD Lawson, M AF Tom, Nathan M. Yu, Yi-Hsiang Wright, Alan D. Lawson, Michael GP ASME TI BALANCING POWER ABSORPTION AND FATIGUE LOADS IN IRREGULAR WAVES FOR AN OSCILLATING SURGE WAVE ENERGY CONVERTER SO PROCEEDINGS OF THE ASME 35TH INTERNATIONAL CONFERENCE ON OCEAN, OFFSHORE AND ARCTIC ENGINEERING , 2016, VOL 6 LA English DT Proceedings Paper CT 35th ASME International Conference on Ocean, Offshore and Arctic Engineering CY JUN 19-24, 2016 CL Busan, SOUTH KOREA SP ASME, Ocean Offshore & Arctic Engn Div ID DEVICE AB The aim of this paper is to describe how to control the power-to-load ratio of a novel wave energy converter (WEC) in irregular waves. The novel WEC that is being developed at the National Renewable Energy Laboratory combines an oscillating surge wave energy converter (OSWEC) with control surfaces as part of the structure; however, this work only considers one fixed geometric configuration. This work extends the optimal control problem so as to not solely maximize the time-averaged power, but to also consider the power-take-off (PTO) torque and foundation forces that arise because of WEC motion. The objective function of the controller will include competing terms that force the controller to balance power capture with structural loading. Separate penalty weights were placed on the surge foundation force and PTO torque magnitude, which allows the controller to be tuned to emphasize either power absorption or load shedding. Results of this study found that, with proper selection of penalty weights, gains in time-averaged power would exceed the gains in structural loading while minimizing the reactive power requirement. C1 [Tom, Nathan M.; Yu, Yi-Hsiang; Wright, Alan D.; Lawson, Michael] Natl Renewable Energy Lab, Natl Wind Technol Ctr, Golden, CO 80401 USA. RP Tom, NM (reprint author), Natl Renewable Energy Lab, Natl Wind Technol Ctr, Golden, CO 80401 USA. EM Nathan.Tom@nrel.gov; Yi-Hsiang.Yu@nrel.gov; Alan.Wright@nrel.gov; Michael.Lawson@nrel.gov FU U.S. Department of Energy [DE-AC36-08GO28308]; National Renewable Energy Laboratory; NREL's Laboratory Directed Research and Development (LDRD) Program FX This work was supported by the U.S. Department of Energy under Contract No. DE-AC36-08GO28308 with the National Renewable Energy Laboratory. Funding for the work was provided by NREL's Laboratory Directed Research and Development (LDRD) Program. NR 36 TC 0 Z9 0 U1 0 U2 0 PU AMER SOC MECHANICAL ENGINEERS PI NEW YORK PA THREE PARK AVENUE, NEW YORK, NY 10016-5990 USA BN 978-0-7918-4997-2 PY 2016 AR UNSP V006T09A028 PG 11 WC Engineering, Environmental; Engineering, Mechanical SC Engineering GA BG9DQ UT WOS:000393090900051 ER PT B AU Tom, NM Madhi, F Yeung, RW AF Tom, Nathan M. Madhi, Farshad Yeung, Ronald W. GP ASME TI BALANCING POWER ABSORPTION AND STRUCTURAL LOADING FOR AN ASYMMETRIC HEAVE WAVE-ENERGY CONVERTER IN REGULAR WAVES SO PROCEEDINGS OF THE ASME 35TH INTERNATIONAL CONFERENCE ON OCEAN, OFFSHORE AND ARCTIC ENGINEERING , 2016, VOL 6 LA English DT Proceedings Paper CT 35th ASME International Conference on Ocean, Offshore and Arctic Engineering CY JUN 19-24, 2016 CL Busan, SOUTH KOREA SP ASME, Ocean Offshore & Arctic Engn Div ID DEVICE AB The aim of this paper is to maximize the power-to-load ratio of the Berkeley Wedge: a one-degree-of-freedom, asymmetrical, energy-capturing, floating breakwater of high performance that is relatively free of viscosity effects. Linear hydrodynamic theory was used to calculate bounds on the expected time-averaged power (TAP) and corresponding surge restraining force, pitch restraining torque, and power take-off (PTO) control force when assuming that the heave motion of the wave energy converter remains sinusoidal. This particular device was documented to be an almost-perfect absorber if one-degree-of-freedom motion is maintained. The success of such or similar future wave energy converter technologies would require the development of control strategies that can adapt device performance to maximize energy generation in operational conditions while mitigating hydrodynamic loads in extreme waves to reduce the structural mass and overall cost. This paper formulates the optimal control problem to incorporate metrics that provide a measure of the surge restraining force, pitch restraining torque, and PTO control force. The optimizer must now handle an objective function with competing terms in an attempt to maximize power capture while minimizing structural and actuator loads. A penalty weight is placed on the surge restraining force, pitch restraining torque, and PTO actuation force, thereby allowing the control focus to be placed either on power absorption or load mitigation. Thus, in achieving these goals, a per-unit gain in TAP would not lead to a greater per-unit demand in structural strength, hence yielding a favorable benefit-to-cost ratio. Demonstrative results in the form of TAP, reactive TAP, and the amplitudes of the surge restraining force, pitch restraining torque, and PTO control force are shown for the Berkeley Wedge example. C1 [Tom, Nathan M.] Natl Renewable Energy Lab, Natl Wind Technol Ctr, Golden, CO 80401 USA. [Madhi, Farshad; Yeung, Ronald W.] Univ Calif Berkeley, Dept Mech Engn, Berkeley, CA 94720 USA. [Madhi, Farshad] Univ Calif Berkeley, Major Field Ocean Engn, Berkeley, CA USA. [Yeung, Ronald W.] Univ Calif Berkeley, MML, Berkeley, CA 94720 USA. RP Tom, NM (reprint author), Natl Renewable Energy Lab, Natl Wind Technol Ctr, Golden, CO 80401 USA. EM nathan.tom@nrel.gov; madhi@berkeley.edu; rwyeung@berkeley.edu FU U.S. Department of Energy [DE-AC36-08GO28308]; National Renewable Energy Laboratory; NREL's Laboratory Directed Research and Development (LDRD) Program FX This work was supported by the U.S. Department of Energy under Contract No. DE-AC36-08GO28308 with the National Renewable Energy Laboratory. Funding for the work was provided by NREL's Laboratory Directed Research and Development (LDRD) Program. NR 24 TC 0 Z9 0 U1 0 U2 0 PU AMER SOC MECHANICAL ENGINEERS PI NEW YORK PA THREE PARK AVENUE, NEW YORK, NY 10016-5990 USA BN 978-0-7918-4997-2 PY 2016 AR UNSP V006T09A029 PG 12 WC Engineering, Environmental; Engineering, Mechanical SC Engineering GA BG9DQ UT WOS:000393090900052 ER PT B AU Cung, K Rockstroh, T Ciatti, S Cannella, W Goldsborough, SS AF Cung, Khanh Rockstroh, Toby Ciatti, Stephen Cannella, William Goldsborough, S. Scott GP ASME TI Parametric Study of Ignition and Combustion Characteristics from a Gasoline Compression Ignition Engine Using Two Different Reactivity Fuels SO PROCEEDINGS OF THE ASME INTERNAL COMBUSTION ENGINE FALL TECHNICAL CONFERENCE, 2016 LA English DT Proceedings Paper CT ASME Internal Combustion Engine Fall Technical Conference CY OCT 09-12, 2016 CL Greenville, SC SP ASME, Internal Combust Engine Div AB Unlike homogeneous charge compression ignition (HCCI) that has the complexity in controlling the start of combustion event, partially premixed combustion (PPC) provides the flexibility of defining the ignition timing and combustion phasing with respect to the time of injection. In PPC, the stratification of the charge can be influenced by a variety of methods such as number of injections (single or multiple injections), injection pressure, injection timing (early to near TDC injection), intake boost pressure, or combination of several factors. The current study investigates the effect of these factors when testing two gasoline-like fuels of different reactivity (defined by Research Octane Number or RON) in a 1.9-L inline 4-cylinder diesel engine. From the collection of engine data, a full factorial analysis was created in order to identify the factors that most influence the outcomes such as the location of ignition, combustion phasing, combustion stability, and emissions. Furthermore, the interaction effect of combinations of two factors or more was discussed with the implication of fuel reactivity under current operating conditions. The analysis was done at both low (1000 RPM) and high speed (2000 RPM). It was found that the boost pressure and air/fuel ratio have strong impact on ignition and combustion phasing. Finally, injection timing sweeps were conducted whereby the ignition (CA10) of the two fuels with significantly different reactivity were matched by controlling the boost pressure while maintaining a constant lambda (air/fuel equivalence ratio). C1 [Cung, Khanh; Rockstroh, Toby; Ciatti, Stephen; Goldsborough, S. Scott] Argonne Natl Lab, 9700 S Cass Ave, Argonne, IL 60439 USA. [Cannella, William] Chevron Energy Technol Co, Richmond, CA 94801 USA. RP Cung, K (reprint author), Argonne Natl Lab, 9700 S Cass Ave, Argonne, IL 60439 USA. FU U.S. Department of Energy Office of Science laboratory [DE-AC02-06CH11357]; Department of Energy; U.S. Department of Energy, Office of Energy Efficiency and Renewable Energy, Office of Vehicle Technology [DE-AC02-06CH11357] FX The submitted manuscript has been created by UChicago Argonne, LLC, Operator of Argonne National Laboratory ("Argonne"). Argonne, a U.S. Department of Energy Office of Science laboratory, is operated under Contract No. DE-AC02-06CH11357. The U.S. Government retains for itself, and others acting on its behalf, a paid-up nonexclusive, irrevocable worldwide license in said article to reproduce, prepare derivative works, distribute copies to the public, and perform publicly and display publicly, by or on behalf of the Government. The Department of Energy will provide public access to these results of federally sponsored research in accordance with the DOE Public Access Plan. http://energy.gov/downloads/doe-public-accessplan; Argonne National Laboratory work was by the U.S. Department of Energy, Office of Energy Efficiency and Renewable Energy, Office of Vehicle Technology under contract DE-AC02-06CH11357. NR 25 TC 0 Z9 0 U1 0 U2 0 PU AMER SOC MECHANICAL ENGINEERS PI NEW YORK PA THREE PARK AVENUE, NEW YORK, NY 10016-5990 USA BN 978-0-7918-5050-3 PY 2016 AR V001T03A011 PG 12 WC Automation & Control Systems; Energy & Fuels; Engineering, Mechanical; Mechanics SC Automation & Control Systems; Energy & Fuels; Engineering; Mechanics GA BG8MX UT WOS:000392464100033 ER PT B AU Dumitrescu, CE Cheng, AS Kurtz, E Mueller, CJ AF Dumitrescu, Cosmin E. Cheng, A. S. (Ed) Kurtz, Eric Mueller, Charles J. GP ASME TI A COMPARISON OF METHYL DECANOATE AND TRIPROPYLENE GLYCOL MONOMETHYL ETHER FOR SOOT-FREE COMBUSTION IN AN OPTICAL DIRECT INJECTION DIESEL ENGINE SO PROCEEDINGS OF THE ASME INTERNAL COMBUSTION ENGINE FALL TECHNICAL CONFERENCE, 2016 LA English DT Proceedings Paper CT ASME Internal Combustion Engine Fall Technical Conference CY OCT 09-12, 2016 CL Greenville, SC SP ASME, Internal Combust Engine Div ID EQUIVALENCE RATIO; BIODIESEL FUELS; PENETRATION; OXIDATION; SURROGATE; MECHANISM; FLAMES AB Oxygenated fuels have been reported to have beneficial effects for leaner lifted-flame combustion (LLFC), a non-sooting mode of mixing-controlled combustion associated with lift-off length equivalence ratios below approximately 2. A single cylinder heavy-duty optical compression-ignition engine was used to compare two oxygenated fuels: neat methyl decanoate (MD) and T50, a 50/50 blend by volume of tripropylene glycol monomethyl ether (TPGME) and #2 ultra-low sulfur emissions certification diesel fuel (CF). High-speed, simultaneous imaging of natural luminosity and chemiluminescence were employed to investigate the ignition, combustion, and soot formation/oxidation processes at two injection pressures and three dilution levels. Additional Mie scattering measurements were employed to observe fuel-property effects on the liquid length of the injected spray. Results indicate that both MD and T50 reduced considerably the engine-out smoke emissions by decreasing soot formation and/or increasing soot oxidation during and after the end of fuel injection. MD further reduced soot emissions by 50-90% compared with T50, because TPGME could not completely compensate for the aromatics in the CF. Despite the low engine out soot emissions, both fuels produced in-cylinder soot because the equivalence ratio at the lift-off length never reached the non-sooting limit. With respect to the other engine-out emissions, T50 had up to 16% higher NOx emissions compared with MD, but neither fuel showed the traditional soot-NOx trade-off associated with conventional mixing-controlled combustion. In addition, T50 had up to 15% and 26% lower unburned hydrocarbons (HC) and carbon monoxide (CO) emissions, respectively, compared with MD. C1 [Dumitrescu, Cosmin E.] West Virginia Univ, 275 Engn Sci Bldg, Morgantown, WV 26506 USA. [Cheng, A. S. (Ed)] San Francisco State Univ, Sch Engn, 1600 Holloway Ave, San Francisco, CA 94132 USA. [Kurtz, Eric] Ford Motor Co, 1 Amer Rd, Dearborn, MI 48126 USA. [Mueller, Charles J.] Sandia Natl Labs, 7011 East Ave, Livermore, CA 94550 USA. RP Dumitrescu, CE (reprint author), West Virginia Univ, 275 Engn Sci Bldg, Morgantown, WV 26506 USA. FU U.S. Department of Energy [DE-EE0005386]; DOE's National Nuclear Security Administration [DE-AC04-94AL85000] FX This material is based upon work supported by the U.S. Department of Energy under Award Number DE-EE0005386. The authors gratefully acknowledge: DOE Office of Vehicle Technologies Program Manager Kevin Stork for support of the optical-engine laboratory at Sandia; Bill Cannella of Chevron for providing the chemically and physically well-characterized #2 ultra-low-sulfur diesel emissions-certification fuel used in this work; and Sandia technologists Sam Fairbanks, Chris Carlen, and Gary Hubbard for their assistance with comprehensive/mechanical, electronic, and data-acquisition hardware/software systems, respectively. The research was conducted at the Combustion Research Facility, Sandia National Laboratories, Livermore, California. Sandia is a multi-program laboratory operated by Sandia Corporation, a Lockheed Martin Company, for DOE's National Nuclear Security Administration under Contract DE-AC04-94AL85000. NR 35 TC 0 Z9 0 U1 0 U2 0 PU AMER SOC MECHANICAL ENGINEERS PI NEW YORK PA THREE PARK AVENUE, NEW YORK, NY 10016-5990 USA BN 978-0-7918-5050-3 PY 2016 AR V001T02A008 PG 15 WC Automation & Control Systems; Energy & Fuels; Engineering, Mechanical; Mechanics SC Automation & Control Systems; Energy & Fuels; Engineering; Mechanics GA BG8MX UT WOS:000392464100013 ER PT B AU Ekoto, IW Wolk, BM Northrop, WF Hansen, N Moshammer, K AF Ekoto, Isaac W. Wolk, Benjamin M. Northrop, William F. Hansen, Nils Moshammer, Kai GP ASME TI TAILORING CHARGE REACTIVITY USING IN-CYLINDER GENERATED REFORMATE FOR GASOLINE COMPRESSION IGNITION STRATEGIES SO PROCEEDINGS OF THE ASME INTERNAL COMBUSTION ENGINE FALL TECHNICAL CONFERENCE, 2016 LA English DT Proceedings Paper CT ASME Internal Combustion Engine Fall Technical Conference CY OCT 09-12, 2016 CL Greenville, SC SP ASME, Internal Combust Engine Div ID COMBUSTION; ENGINE AB In-cylinder reforming of injected fuel during an auxiliary negative valve overlap (NVO) period can be used to optimize main-cycle combustion phasing for low-load Low-Temperature Gasoline Combustion, where highly dilute mixtures can lead to poor combustion stability. The objective of this work is to examine the effects of reformate composition on main-cycle engine perfatmance for a research gasoline. A custom alternate fire sequence with nine pre-conditioning cycles was used to generate a common exhaust temperature and composition boundary condition for a cycle-of-interest. Performance metrics such as main-period combustion stability and total cycle efficiency were collected for these custom cycles. The NVO-produced reformate stream was also separately collected using a dump valve apparatus and characterized in detail using both gas chromatography and photoionization mass spectroscopy. To facilitate gas sample analysis, sampling experiments were conducted using a five-component gasoline surrogate (isooctane, n-heptane, ethanol, 1-hexene, and toluene) that matched the molecular composition, 50% boiling point, and ignition characteristics of the research gasoline. For the gasoline, it was found that the most advanced NVO start-of-injection (SOI) led to the most advanced main-cycle 10% burn angle. The effect was more pronounced as the fraction of total fuel injected in the NVO period increased. With the most retarded NVO SOI, shorter residence times and piston spray impingement limited the opportunity for injected fuel decomposition. For the gasoline surrogate, the most advanced NVO SOI had reduced reactivity relative to more intermediate NVO SOI, which was attributed to rapid in-cylinder mixing that led to a large amount of fuel quench in the piston crevice. For all NVO periods, combustion phasing advanced as the main period fueling decreased. Slower kinetics for leaner mixtures were offset by a combination of increased bulk-gas temperature from higher charge specific heat ratios and increased fuel reactivity due to higher charge reformate fractions. C1 [Ekoto, Isaac W.; Wolk, Benjamin M.; Hansen, Nils; Moshammer, Kai] Sandia Natl Labs, Livermore, CA 94550 USA. [Northrop, William F.] Univ Minnesota, Minneapolis, MN USA. RP Ekoto, IW (reprint author), Sandia Natl Labs, Livermore, CA 94550 USA. FU U.S. Department. of Energy, Office of Vehicle Technologies; U.S. Department of Energy's National Nuclear Security Administration [DE-AC04-94AL85000] FX This work was performed at the Combustion Research Facility, Sandia National Laboratories, Livermore, CA. Financial support was provided by the U.S. Department. of Energy, Office of Vehicle Technologies. Sandia National Laboratories is a multi-program laboratory managed and operated by Sandia Corporation, a wholly owned subsidiary of Lockheed Martin Corporation, for the U.S. Department of Energy's National Nuclear Security Administration under contract DE-AC04-94AL85000. The authors also gratefully acknowledge engineering support provided by Alberto Garcia. NR 22 TC 0 Z9 0 U1 0 U2 0 PU AMER SOC MECHANICAL ENGINEERS PI NEW YORK PA THREE PARK AVENUE, NEW YORK, NY 10016-5990 USA BN 978-0-7918-5050-3 PY 2016 AR V001T03A019 PG 14 WC Automation & Control Systems; Energy & Fuels; Engineering, Mechanical; Mechanics SC Automation & Control Systems; Energy & Fuels; Engineering; Mechanics GA BG8MX UT WOS:000392464100041 ER PT B AU Kodavasal, J Ciatti, S Som, S AF Kodavasal, Janardhan Ciatti, Stephen Som, Sibendu GP ASME TI ANALYSIS OF THE IMPACT OF UNCERTAINTIES IN INPUTS ON CFD PREDICTIONS OF GASOLINE COMPRESSION IGNITION SO PROCEEDINGS OF THE ASME INTERNAL COMBUSTION ENGINE FALL TECHNICAL CONFERENCE, 2016 LA English DT Proceedings Paper CT ASME Internal Combustion Engine Fall Technical Conference CY OCT 09-12, 2016 CL Greenville, SC SP ASME, Internal Combust Engine Div ID PARTIALLY PREMIXED COMBUSTION; SIMULATION; DURATION; MODEL AB Computational fluid dynamics (CFD) is a valuable tool to gain insights into the combustion process, particularly for novel engine combustion concepts that do not have significant experimental data available. However, prediction of targets of interest from a CFD simulation can oftentimes be quite sensitive to the uncertainties in inputs to the CFD model. These uncertainties could be in the experimental boundary and initial conditions, fuel properties, CFD model constants, chemical kinetic rates, etc. In this work we isolate the effect of uncertainties in some key inputs in the form of experimental boundary conditions and CFD model parameters on combustion and emissions targets Of interest for gasoline compression ignition (GCI) at two operating conditions idle, and low-load. The uncertainties in the subset of inputs studied in this work were identified to have the greatest impact out of 34 inputs to the CFD model studied by means of a global sensitivity analysis (GSA) performed in our prior work. The goal of this study is to perform a more focused study as a follow-on to that GSA, by perturbing only a single parameter at a time. C1 [Kodavasal, Janardhan; Ciatti, Stephen; Som, Sibendu] Argonne Natl Lab, Div Energy Syst, 9700 S Cass Ave, Argonne, IL 60439 USA. RP Kodavasal, J (reprint author), Argonne Natl Lab, Div Energy Syst, 9700 S Cass Ave, Argonne, IL 60439 USA. FU U.S. Department of Energy Office of Science laboratory [DE-AC02-06CH11357]; DOE's Office of Vehicle Technologies, Office of Energy Efficiency and Renewable Energy [DE-AC02-06CH11357] FX The submitted manuscript has been created by UChicago Argonne, LLC, Operator of Argonne National Laboratory ("Argonne"). Argonne, a U.S. Department of Energy Office of Science laboratory, is operated under Contract No. DE-AC02-06CH11357. The U.S. Government retains for itself, and others acting on its behalf, a paid-up nonexclusive, irrevocable worldwide license in said article to reproduce, prepare derivative works, distribute copies to the public, and perform publicly and display publicly, by or on behalf of the Government. This research was funded by DOE's Office of Vehicle Technologies, Office of Energy Efficiency and Renewable Energy under Contract No. DE-AC02-06CH11357. The authors wish to thank Gurpreet Singh, program manager at DOE, for his support. NR 46 TC 0 Z9 0 U1 0 U2 0 PU AMER SOC MECHANICAL ENGINEERS PI NEW YORK PA THREE PARK AVENUE, NEW YORK, NY 10016-5990 USA BN 978-0-7918-5050-3 PY 2016 AR V001T06A006 PG 11 WC Automation & Control Systems; Energy & Fuels; Engineering, Mechanical; Mechanics SC Automation & Control Systems; Energy & Fuels; Engineering; Mechanics GA BG8MX UT WOS:000392464100066 ER PT B AU Dam, NV Som, S Swantek, AB Powell, CF AF Noah Van Dam Som, Sibendu Swantek, Andrew B. Powell, Christopher F. GP ASME TI THE EFFECT OF GRID RESOLUTION ON PREDICTED SPRAY VARIABILITY USING MULTIPLE LARGE-EDDY SPRAY SIMULATIONS SO PROCEEDINGS OF THE ASME INTERNAL COMBUSTION ENGINE FALL TECHNICAL CONFERENCE, 2016 LA English DT Proceedings Paper CT ASME Internal Combustion Engine Fall Technical Conference CY OCT 09-12, 2016 CL Greenville, SC SP ASME, Internal Combust Engine Div AB Shot-to-shot spray variability is recognized as an important contributor to cycle-to-cycle variations in direct-injection engines. Large-eddy Simulations (LES) have been used to resolve more of the gas-phase turbulent fluctuations in Computational Fluid Dynamics (CFD) simulations, but the sources of shot-to-shot spray variability are not directly modeled in the Lagrangian parcel approach used most often for engine fuel spray simulations. Instead, the variability comes from variations in the spray boundary conditions. Currently, the most common way to introduce shot-to-shot variability in Lagrangian spray simulations is to vary the random seed used in the spray models for each spray realization. This approach was used to compare against recent near-nozzle (up to mm downstream) projected mass density (PMD) measurements of a single-hole diesel injector. The injector has a nominal nozzle diameter of 110 gm, though analysis of experimental data indicates the actual diameter is approximately 118 gm. The measurements were acquired under non-vaporizing conditions using fast radiography with high-intensity X-rays available at the Advanced Photon Source at Argonne National Laboratory. Spray simulations used the Dynamic Structure LES turbulence model along with a Lagrangian parcel approach with the blob injection model and modified KH-RT break-up model. 10 spray realizations were simulated each at three different minimum cell sizes, 62.5 mu m, 93.75 mu m and 125 mu m. This is much finer mesh resolution than is typically performed for Lagrangian spray calculations and allows the simulations to capture more of the gas-phase turbulent fluctuations that develop from the different random seeds. The effect of the grid resolution on the predicted shot-to-shot variability was investigated. Larger minimum cell sizes increased the predicted variability in projected mass density slightly. This difference in predicted variability was less apparent in global spray quantities such as penetration length. Initial turbulence kinetic energy (TKE) variations have also been proposed as a method to introduce shot-to-shot variations in spray simulations. 10 further simulations were run where the initial turbulence intensity was varied randomly between 0.1 and 1 m(2)/s(2). The resulting spray variability was similar, but slightly lower than that introduced by varying the random seed. C1 [Noah Van Dam; Som, Sibendu; Swantek, Andrew B.; Powell, Christopher F.] Argonne Natl Lab, Lemont, IL 60439 USA. RP Dam, NV (reprint author), Argonne Natl Lab, Lemont, IL 60439 USA. NR 23 TC 0 Z9 0 U1 0 U2 0 PU AMER SOC MECHANICAL ENGINEERS PI NEW YORK PA THREE PARK AVENUE, NEW YORK, NY 10016-5990 USA BN 978-0-7918-5050-3 PY 2016 AR V001T06A013 PG 11 WC Automation & Control Systems; Energy & Fuels; Engineering, Mechanical; Mechanics SC Automation & Control Systems; Energy & Fuels; Engineering; Mechanics GA BG8MX UT WOS:000392464100073 ER PT B AU Pamminger, M Wallner, T Sevik, J Scarcelli, R Hall, C Wooldridge, S Boyer, B AF Pamminger, Michael Wallner, Thomas Sevik, James Scarcelli, Riccardo Hall, Carrie Wooldridge, Steven Boyer, Brad GP ASME TI PERFORMANCE, EFFICIENCY AND EMISSIONS EVALUATION OF GASOLINE PORT-FUEL INJECTION, NATURAL GAS DIRECT INJECTION AND BLENDED OPERATION SO PROCEEDINGS OF THE ASME INTERNAL COMBUSTION ENGINE FALL TECHNICAL CONFERENCE, 2016 LA English DT Proceedings Paper CT ASME Internal Combustion Engine Fall Technical Conference CY OCT 09-12, 2016 CL Greenville, SC SP ASME, Internal Combust Engine Div AB The need to further reduce fuel consumption and decrease the output of emissions - in order to be within future emissions legislation - is still an ongoing effort for the development of internal combustion engines. Natural gas is a fossil fuel which is comprised mostly of methane and makes it very attractive for use in internal combustion engines because of its higher knock resistance and higher molar hydrogen-to-carbon ratio compared to gasoline. The current paper compares the combustion and emissions behavior of the test engine being operated on either a representative U.S. market gasoline or natural gas. Moreover, specific in-cylinder blend ratios with gasoline and natural gas were also investigated at part-load and wide open throttle conditions. The dilution tolerance for part-load operation was investigated by adding cooled exhaust gas recirculation. The engine used for these investigations was a single cylinder research engine for light duty application which is equipped with two separate fuel systems. Gasoline was injected into the intake port; natural gas was injected directly into the cylinder to overcome the power density loss usually connected with port fuel injection of natural gas. Injecting natural gas directly into the cylinder reduced both ignition delay and combustion duration of the combustion process compared to the injection of gasoline into the intake port. Injecting natural gas and gasoline simultaneously resulted in a higher dilution tolerance compared to operation on one of the fuels alone. Significantly higher net indicated mean effective pressure and indicated thermal efficiency were achieved when natural gas was directly injected after intake valve closing at wide open throttle, compared to an injection while the intake valves were still open. In general it was shown that the blend ratio and the start of injection need to be varied depending on load and dilution level in order to operate the engine with the highest efficiency or highest load. C1 [Pamminger, Michael; Wallner, Thomas; Sevik, James; Scarcelli, Riccardo] Argonne Natl Lab, Lemont, IL 60439 USA. [Hall, Carrie] IIT, Chicago, IL 60616 USA. [Wooldridge, Steven; Boyer, Brad] Ford Motor Co, Dearborn, MI 48121 USA. RP Pamminger, M (reprint author), Argonne Natl Lab, Lemont, IL 60439 USA. NR 18 TC 0 Z9 0 U1 0 U2 0 PU AMER SOC MECHANICAL ENGINEERS PI NEW YORK PA THREE PARK AVENUE, NEW YORK, NY 10016-5990 USA BN 978-0-7918-5050-3 PY 2016 AR V001T03A008 PG 17 WC Automation & Control Systems; Energy & Fuels; Engineering, Mechanical; Mechanics SC Automation & Control Systems; Energy & Fuels; Engineering; Mechanics GA BG8MX UT WOS:000392464100030 ER PT B AU Quan, SP Senecal, PK Pomraning, E Xue, QL Hu, B Rajamohan, D Deur, JM Som, S AF Quan, Shaoping Senecal, Peter Kelly Pomraning, Eric Xue, Qingluan Hu, Bing Rajamohan, Divakar Deur, John M. Som, Sibendu GP ASME TI A ONE-WAY COUPLED VOLUME OF FLUID AND EULERIAN-LAGRANGIAN METHOD FOR SIMULATING SPRAYS SO PROCEEDINGS OF THE ASME INTERNAL COMBUSTION ENGINE FALL TECHNICAL CONFERENCE, 2016 LA English DT Proceedings Paper CT ASME Internal Combustion Engine Fall Technical Conference CY OCT 09-12, 2016 CL Greenville, SC SP ASME, Internal Combust Engine Div ID ATOMIZATION MODEL AB Volume of Fluid (VOF) and Eulerian-Lagrangian (EL)/Discrete Droplet Methods (DDM) are two of the most widely used methods in spray simulations. It is well known that these two methods have their pros and cons. VOF is good at capturing the transient detailed flow physics, while it is usually very expensive. EL is very efficient; however, to inject spray parcels, some experimental/pre-computed information is needed, such as rate of injection, and/or the parcel radius distributions, etc. It is often the case, the detailed fluid flow information at the nozzle exit, which is essential for downstream droplet breakup and coalescence, cannot be accounted in the EL method. In this paper, we developed a one-way coupled approach, in which VOF is employed to compute the detailed fluid field in the injector and this fluid information is then utilized by EL for the injection of parcels at the nozzle exit. The one-way coupled approach is used to calculate some ECN (Engine Combustion Network) spray cases, such as Spray A and Spray H. The simulated results are compared to the experimental data, and satisfactory agreement is obtained. C1 [Quan, Shaoping; Senecal, Peter Kelly; Pomraning, Eric] Convergent Sci Inc, Madison, WI 53719 USA. [Xue, Qingluan; Hu, Bing; Rajamohan, Divakar; Deur, John M.] Cummins Inc, Columbus, IN USA. [Som, Sibendu] Argonne Natl Lab, Lemont, IL USA. RP Quan, SP (reprint author), Convergent Sci Inc, Madison, WI 53719 USA. FU U.S. Department of Energy Office of Science laboratory [DE-AC02-06CH11357]; U.S. DOE Office of Vehicle Technologies, Office of Energy Efficiency and Renewable Energy [DE-AC02-O0CH11357] FX The submitted manuscript has been created by UChicago Argonne, LLC, Operator of Argonne National Laboratory (Argonne). Argonne, a U.S. Department of Energy Office of Science laboratory, is operated under contract No. DE-AC02-06CH11357. The U.S. Government retains for itself, and others acting on its behalf, a paid-up nonexclusive, irrevocable worldwide license in said article to reproduce, prepare derivative works, distribute copies to the public, and perform publicly and display publicly, by or on behalf of the Government. This research was funded by U.S. DOE Office of Vehicle Technologies, Office of Energy Efficiency and Renewable Energy under Contract No. DE-AC02-O0CH11357. NR 25 TC 0 Z9 0 U1 0 U2 0 PU AMER SOC MECHANICAL ENGINEERS PI NEW YORK PA THREE PARK AVENUE, NEW YORK, NY 10016-5990 USA BN 978-0-7918-5050-3 PY 2016 AR V001T06A014 PG 9 WC Automation & Control Systems; Energy & Fuels; Engineering, Mechanical; Mechanics SC Automation & Control Systems; Energy & Fuels; Engineering; Mechanics GA BG8MX UT WOS:000392464100074 ER PT B AU Raju, NGK Dempsey, A Curran, S AF Raju, Nandini Gowda Kodebyle Dempsey, Adam Curran, Scott GP ASME TI ANALYSIS OF ENGINE AIR HANDLING SYSTEMS FOR LIGHT-DUTY COMPRESSION IGNITION ENGINES USING 1-D CYCLE SIMULATION: ACHIEVING HIGH DILUTION LEVELS FOR ADVANCED COMBUSTION SO PROCEEDINGS OF THE ASME INTERNAL COMBUSTION ENGINE FALL TECHNICAL CONFERENCE, 2016 LA English DT Proceedings Paper CT ASME Internal Combustion Engine Fall Technical Conference CY OCT 09-12, 2016 CL Greenville, SC SP ASME, Internal Combust Engine Div AB Previous research studies have shown that low temperature combustion (LTC) strategies are capable of achieving very low NOx and soot emissions while maintaining high thermal efficiency. To achieve LTC, there has to be sufficient mixing time between the fuel and air in a dilute, yet overall lean, environment. Dilution with a combination of fresh air and exhaust gas recirculation (EGR) is typically used to achieve longer mixing times and reduce the peak combustion temperatures. However, there are challenges associated with today's engine air handling systems' ability to move large combinations of EGR and air simultaneously. As the EGR demand is increased to reduce NOx emissions or retard combustion phasing, the global equivalence ratio tends to increase because of the boosting systems' limited ability to supply fresh air. In this study, a one-dimensional engine modeling approach was used to analyze the behavior of a production light duty diesel engine equipped with a variable geometry turbocharger and a high-pressure loop EGR system under LTC conditions. The model is used to predict the global equivalence ratio as a function of the EGR level at a variety of operating conditions. The EGR level was varied from 0 to 50% at speeds ranging from 1,500 to 2,500 rpm and loads from 2 to 10 bar brake mean effective pressure. The objective of this study is to evaluate the air handling system's capability of driving high amounts of EGR and air simultaneously for light duty engines to successfully achieve LTC operation over a large portion of the operating space. The results of the simulations show that at light loads, large amounts of EGR can be used while maintaining globally lean operation. However, as the engine load increases, a globally stoichiometric condition is reached relatively quickly, and high engine loads with greater than 30% EGR and overall lean conditions were achievable. C1 [Raju, Nandini Gowda Kodebyle; Dempsey, Adam; Curran, Scott] Oak Ridge Natl Lab, Knoxville, TN 37932 USA. RP Raju, NGK (reprint author), Oak Ridge Natl Lab, Knoxville, TN 37932 USA. FU US Department of Energy's Advanced Combustion Engine research and development sub-program within the Vehicle Technologies Office FX This work was supported by the US Department of Energy's Advanced Combustion Engine research and development sub-program within the Vehicle Technologies Office. The authors gratefully acknowledge the support and guidance of Gurpreet Singh and Leo Breton. NR 11 TC 0 Z9 0 U1 1 U2 1 PU AMER SOC MECHANICAL ENGINEERS PI NEW YORK PA THREE PARK AVENUE, NEW YORK, NY 10016-5990 USA BN 978-0-7918-5050-3 PY 2016 AR V001T03A020 PG 14 WC Automation & Control Systems; Energy & Fuels; Engineering, Mechanical; Mechanics SC Automation & Control Systems; Energy & Fuels; Engineering; Mechanics GA BG8MX UT WOS:000392464100042 ER PT B AU Waters, J Carrington, DB AF Waters, Jiajia Carrington, David B. GP ASME TI Modeling Turbulent Reactive Flow in Internal Combustion Engines with an LES in a semi-implicit/explicit Finite Element Projection Method SO PROCEEDINGS OF THE ASME INTERNAL COMBUSTION ENGINE FALL TECHNICAL CONFERENCE, 2016 LA English DT Proceedings Paper CT ASME Internal Combustion Engine Fall Technical Conference CY OCT 09-12, 2016 CL Greenville, SC SP ASME, Internal Combust Engine Div ID LARGE-EDDY SIMULATION; FLAME AB A Finite Element Method (FEM) for the solution of turbulent reactive flow on parallel machines is being developed for engine and combustion modeling. This FEM solver is parallel (MPI), solves multi-species fluids using either Reynolds Averaged Navier-Stokes (RANS) k-omega model or dynamic LES model for turbulent reactive flow. The code provides an excellent platform for developing better in-cylinder fuel and species evolution, including sprays associated with injection. This code is more robust and more accurate than current engine simulators, with quick turn-around times required by design engineers. We've also developed a dynamic LES method which can transition through laminar to fully turbulent flow, and hence requires no assumptions about the turbulent sublayers near walls in bounded flows; this is ideal for engines where the turbulent wall layers are never in equilibrium and the flow is not always turbulent. Another key component of combustion modeling for engines is fuel injection. Spray modeling from KIVA is adopted in our work with the ability to solve large 3D turbulent flow by the help of the parallel technique. C1 [Waters, Jiajia; Carrington, David B.] Los Alamos Natl Lab, Los Alamos, NM 87544 USA. RP Waters, J (reprint author), Los Alamos Natl Lab, Los Alamos, NM 87544 USA. FU DOE's Office of Energy Efficiency and Renewable Energy (EERE) Advanced Combustion Program; National Nuclear Security Administration of the U.S. Department of Energy (DOE) [DE-AC52-06NA25396]; Los Alamos National Laboratory FX The DOE's Office of Energy Efficiency and Renewable Energy (EERE) Advanced Combustion Program (Gurpreet Singh and Leo Breton) is supporting this effort. Los Alamos National Laboratory, an affirmative action/equal opportunity employer, is operated by the Los Alamos National Security, LLC for the National Nuclear Security Administration of the U.S. Department of Energy (DOE) under contract DE-AC52-06NA25396. Los Alamos National Laboratory strongly supports academic freedom and a researcher's right to publish; as an institution, however, the Laboratory does not endorse the viewpoint of a publication or guarantee its technical correctness. NR 27 TC 0 Z9 0 U1 0 U2 0 PU AMER SOC MECHANICAL ENGINEERS PI NEW YORK PA THREE PARK AVENUE, NEW YORK, NY 10016-5990 USA BN 978-0-7918-5050-3 PY 2016 AR V001T06A005 PG 10 WC Automation & Control Systems; Energy & Fuels; Engineering, Mechanical; Mechanics SC Automation & Control Systems; Energy & Fuels; Engineering; Mechanics GA BG8MX UT WOS:000392464100065 ER PT B AU Zhou, X Liu, R Zhang, JC Zhang, XL AF Zhou, Xu Liu, Rui Zhang, Jiucai Zhang, Xiaoli GP ASME TI STABILIZATION OF A QUADROTOR WITH UNCERTAIN SUSPENDED LOAD USING SLIDING MODE CONTROL SO PROCEEDINGS OF THE ASME INTERNATIONAL DESIGN ENGINEERING TECHNICAL CONFERENCES AND COMPUTERS AND INFORMATION IN ENGINEERING CONFERENCE, 2016, VOL 5A LA English DT Proceedings Paper CT ASME International Design Engineering Technical Conferences and Computers and Information in Engineering Conference (IDETC/CIE) CY AUG 21-24, 2016 CL Charlotte, NC SP ASME, Design Engn Div, ASME, Computers & Informat Engn Div ID AERIAL ROBOTS; TRANSPORTATION AB The stability and trajectory control of a quadrotor carrying a suspended load with a fixed known mass has been extensively studied in recent years. However, the load mass is not always known beforehand in practical applications. This mass uncertainty brings uncertain disturbances to the quadrotor system, causing existing controllers to have a worse performance or to be collapsed. To improve the quadrotor's stability in this situation, we investigate the impacts of the uncertain load mass on the quadrotor. By comparing the simulation results of two controllers - the proportional-derivative (PD) controller and the sliding mode controller (SMC) driven by a sliding mode disturbance of observer (SMDO), the quadrotor's performance is verified to be worse as the uncertainty increases. The simulation results also show a controller with stronger robustness against disturbances is better for practical applications. C1 [Zhou, Xu; Liu, Rui; Zhang, Xiaoli] Colorado Sch Mines, Golden, CO 80401 USA. [Zhang, Jiucai] Natl Renewable Energy Lab, Golden, CO USA. RP Zhou, X (reprint author), Colorado Sch Mines, Golden, CO 80401 USA. NR 29 TC 0 Z9 0 U1 0 U2 0 PU AMER SOC MECHANICAL ENGINEERS PI NEW YORK PA THREE PARK AVENUE, NEW YORK, NY 10016-5990 USA BN 978-0-7918-5015-2 PY 2016 AR UNSP V05AT07A048 PG 8 WC Engineering, Multidisciplinary; Engineering, Mechanical SC Engineering GA BG9KS UT WOS:000393364800048 ER PT B AU Belegundu, AD Nayak, SK Loverich, J Grissom, MD AF Belegundu, Ashok D. Nayak, Sumanta K. Loverich, Jacob Grissom, Michael D. GP ASME TI VIBRATION-BASED DAMAGE ACCUMULATION MODELING SO PROCEEDINGS OF THE ASME INTERNATIONAL DESIGN ENGINEERING TECHNICAL CONFERENCES AND COMPUTERS AND INFORMATION IN ENGINEERING CONFERENCE, 2016, VOL 8 LA English DT Proceedings Paper CT ASME International Design Engineering Technical Conferences and Computers and Information in Engineering Conference (IDETC/CIE) CY AUG 21-24, 2016 CL Charlotte, NC SP ASME, Design Engn Div, ASME, Computers & Informat Engn Div AB A simple methodology is presented which takes input data from wireless accelerometers used in continuous monitoring of large numbers of machines such as pumps, motors, gearboxes, and fans, and outputs a damage accumulation metric which can be used for early warning indication for a broad range of faults. Based on the output, maintenance visits can be made to inspect the machines. Emphasis is on ease of use and broad applicability. It is assumed that the accelerometer data reflects damage occurrence. The approach here is based on time series vibration data analysis that estimates the rate at which damage is accumulated at a given location. This indicator accounts for time-varying symptoms in machines which are often overlooked by traditional vibration diagnostic frequency analysis. As fatigue analysis is the foundation for the damage metric, contribution of repeated load reversal cycles to component damage and the nonlinearity in the relationship between damage and vibration amplitude, are incorporated. A MATLAB code has been developed and validated from simple examples in the literature. The methodology is then applied to a finite element model of a defective shaft-bearing assembly, and in a high pressure pumping field application. C1 [Belegundu, Ashok D.] Penn State Univ, University Pk, PA 16802 USA. [Nayak, Sumanta K.] Brookhaven Natl Labs, Upton, NY 11961 USA. [Loverich, Jacob; Grissom, Michael D.] KCF Technol Inc, State Coll, PA 16801 USA. RP Belegundu, AD (reprint author), Penn State Univ, University Pk, PA 16802 USA. EM adb3@psu.edu; loverich@kcftech.com; mgrissom@kcftech.com NR 10 TC 0 Z9 0 U1 0 U2 0 PU AMER SOC MECHANICAL ENGINEERS PI NEW YORK PA THREE PARK AVENUE, NEW YORK, NY 10016-5990 USA BN 978-0-7918-5020-6 PY 2016 AR UNSP V008T10A036 PG 9 WC Engineering, Multidisciplinary; Engineering, Mechanical SC Engineering GA BG9BP UT WOS:000393004000036 ER PT J AU Posada-Perez, S Ramirez, PJ Gutierrez, RA Stacchiola, DJ Vines, F Liu, P Illas, F Rodriguez, JA AF Posada-Perez, Sergio Ramirez, Pedro J. Gutierrez, Ramon A. Stacchiola, Dario J. Vines, Francesc Liu, Ping Illas, Francesc Rodriguez, Jose A. TI The conversion of CO2 to methanol on orthorhombic beta-Mo2C and Cu/beta-Mo2C catalysts: mechanism for admetal induced change in the selectivity and activity SO CATALYSIS SCIENCE & TECHNOLOGY LA English DT Article ID TRANSITION-METAL CARBIDES; MOLYBDENUM CARBIDE; CARBON-DIOXIDE; HYDROGENATION; ADSORPTION; SURFACES; ACTIVATION; FORMATE; COPPER; OXIDE AB The conversion of CO2 into methanol catalyzed by beta-Mo2C and Cu/beta-Mo2C surfaces has been investigated by means of a combined experimental and theoretical study. Experiments have shown the direct activation and dissociation of the CO2 molecule on bare beta-Mo2C, whereas on Cu/beta-Mo2C, CO2 must be assisted by hydrogen for its conversion. Methane and CO are the main products on the clean surface and methanol production is lower. However, the deposition of Cu clusters avoids methane formation and increases methanol production even above that corresponding to a model of the technical catalyst. DFT calculations on surface models of both possible C-and Mo-terminations corroborate the experimental observations. Calculations for the clean Mo-terminated surface reveal the existence of two possible routes for methane production (C + 4H -> CH4; CH3O + 3H -> CH4 + H2O) which are competitive with methanol synthesis, displaying slightly lower energy barriers. On the other hand, a model for Cu deposited clusters on the Mo-terminated surface points towards a new route for methanol and CO production avoiding methane formation. The new route is a direct consequence of the generation of a Mo2C-Cu interface. The present experimental and theoretical results entail the interesting catalytic properties of Mo2C as an active support of metallic nanoparticles, and also illustrate how the deposition of a metal can drastically change the activity and selectivity of a carbide substrate for CO2 hydrogenation. C1 [Posada-Perez, Sergio; Vines, Francesc; Illas, Francesc] Univ Barcelona, Dept Quim Fis, C Marti & Franques 1, E-08028 Barcelona, Spain. [Posada-Perez, Sergio; Vines, Francesc; Illas, Francesc] Univ Barcelona, Inst Quim Teor & Computac IQTCUB, C Marti & Franques 1, E-08028 Barcelona, Spain. [Ramirez, Pedro J.; Gutierrez, Ramon A.] Cent Univ Venezuela, Fac Ciencias, Caracas 1020A, Venezuela. [Stacchiola, Dario J.; Liu, Ping; Rodriguez, Jose A.] Brookhaven Natl Lab, Dept Chem, Upton, NY 11973 USA. RP Vines, F (reprint author), Univ Barcelona, Dept Quim Fis, C Marti & Franques 1, E-08028 Barcelona, Spain.; Vines, F (reprint author), Univ Barcelona, Inst Quim Teor & Computac IQTCUB, C Marti & Franques 1, E-08028 Barcelona, Spain.; Rodriguez, JA (reprint author), Brookhaven Natl Lab, Dept Chem, Upton, NY 11973 USA. EM francesc.vines@ub.edu; rodrigez@bnl.gov FU U.S. Department of Energy [DE-SC0012704]; Spanish MINECO grant [CTQ2012-30751]; Generalitat de Catalunya (XRQTC) [2014SGR97]; Spanish MEC predoctoral grant [CTQ2012-30751]; MINECO [RYC-2012-10129]; Red Espanola de Supercomputacion (RES) FX This manuscript has been authored by employees of Brookhaven Science Associates, LLC under contract no. DE-SC0012704 with the U.S. Department of Energy. The research carried out at the Universitat de Barcelona was supported by the Spanish MINECO grant CTQ2012-30751 grant and, in part, by Generalitat de Catalunya (grants 2014SGR97 and XRQTC). S. P. P. acknowledges financial support from Spanish MEC predoctoral grant associated to CTQ2012-30751 and F. V. thanks the MINECO for a postdoctoral Ramon y Cajal (RyC) research contract (RYC-2012-10129). Computational time at the MARENOSTRUM supercomputer has been provided by the Barcelona Supercomputing Centre (BSC) through a grant from Red Espanola de Supercomputacion (RES). NR 53 TC 2 Z9 2 U1 11 U2 11 PU ROYAL SOC CHEMISTRY PI CAMBRIDGE PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS, ENGLAND SN 2044-4753 EI 2044-4761 J9 CATAL SCI TECHNOL JI Catal. Sci. Technol. PY 2016 VL 6 IS 18 BP 6766 EP 6777 DI 10.1039/c5cy02143j PG 12 WC Chemistry, Physical SC Chemistry GA DX2ZG UT WOS:000384241800002 ER PT S AU Steiner, M Siefer, G Baudrit, M Askins, S Dominguez, C Anton, I Roca, F Fucci, R Cancro, C Romano, A Graditi, G Pugliatti, PM Di Stefano, A Kenny, R Norton, M Minuto, A Morabito, P Muller, M Riley, D Pratt, L AF Steiner, Marc Siefer, Gerald Baudrit, Mathieu Askins, Stephen Dominguez, Cesar Anton, Ignacio Roca, Francesco Fucci, Raffaele Cancro, Carmine Romano, Antonio Graditi, Giorgio Pugliatti, Paola Maria Di Stefano, Agnese Kenny, Robert Norton, Matthew Minuto, Alessandro Morabito, Paolo Muller, Matthew Riley, Daniel Pratt, Larry BE Wiesenfarth, M Bett, A Muller, M TI Rating of CPV Modules: Results of Module Round Robins SO 12TH INTERNATIONAL CONFERENCE ON CONCENTRATOR PHOTOVOLTAIC SYSTEMS (CPV-12) SE AIP Conference Proceedings LA English DT Proceedings Paper CT 12th International Conference on Concentrator Photovoltaic Systems (CPV) CY APR 25-27, 2016 CL Historisches Kaufhaus Freiburg, Freiburg, GERMANY SP CPV Consortium, Fraunhofer Inst Solar Energy Syst HO Historisches Kaufhaus Freiburg AB The results of three CPV module round robins are presented. Ten test labs around the world participated to the round robins in total. Each round robin used a different CPV module technology (Daido Steel, Soitec, Suncore). The data gathered at the test labs was used to test CSOC power rating procedures as basis for the IEC draft standard 62670-3. The deviation between the minimum and the maximum power output rated at the test labs was in average 4.4 % with a standard deviation of 1.8 %(abs). This underlines that power ratings or CPV modules are reliable and reproducible. C1 [Steiner, Marc; Siefer, Gerald] Fraunhofer ISE, Heidenhofstr 2, D-79104 Freiburg, Germany. [Baudrit, Mathieu] CEA INES, 50 Ave Lac Leman, F-73375 Le Bourget Du Lac, France. [Askins, Stephen; Dominguez, Cesar; Anton, Ignacio] Univ Politecn Madrid, Inst Energia Solar, Ciudad Univ, E-28040 Madrid, Spain. [Roca, Francesco; Fucci, Raffaele; Cancro, Carmine; Romano, Antonio; Graditi, Giorgio] ENEA, Ple E Fermi 1, I-80055 Portici, Italy. [Pugliatti, Paola Maria; Di Stefano, Agnese] ENEL Green Power SpA, I-95121 Catania, Italy. [Kenny, Robert; Norton, Matthew] JRC ESTI, Via E Fermi 2749, I-21027 Ispra, VA, Italy. [Minuto, Alessandro; Morabito, Paolo] RSE, Via Rubattino 54, I-20134 Milan, Italy. [Muller, Matthew] NREL, 16253 Denver W Pkwy, Golden, CO 80401 USA. [Riley, Daniel] Sandia Natl Labs, POB 5800, Albuquerque, NM 87185 USA. [Pratt, Larry] CFV, 5600A Univ Blvd SE, Albuquerque, NM 87106 USA. EM gerald.siefer@ise.fraunhofer.de OI Dominguez, Cesar/0000-0002-2751-7208 FU European Union [262533, 283798, 640873] FX This project has received funding from the European Union's Seventh Framework Program for research, technological development and demonstration under grant agreements no 262533 (SOPHIA), 283798 (NGCPV) as well as from the Horizon 2020 research and innovation program within the project CPVMatch under grant agreement No 640873. NR 9 TC 0 Z9 0 U1 0 U2 0 PU AMER INST PHYSICS PI MELVILLE PA 2 HUNTINGTON QUADRANGLE, STE 1NO1, MELVILLE, NY 11747-4501 USA SN 0094-243X BN 978-0-7354-1424-2 J9 AIP CONF PROC PY 2016 VL 1766 AR 040005 DI 10.1063/1.4962082 PG 6 WC Energy & Fuels; Engineering, Electrical & Electronic; Physics, Applied SC Energy & Fuels; Engineering; Physics GA BG8SN UT WOS:000392693700014 ER PT S AU Preciado, V Gevorgian, V Muljadi, E Madrigal, M AF Preciado, V. Gevorgian, V. Muljadi, E. Madrigal, M. GP IEEE TI Inertial Response of an Offshore Wind Power Plant with HVDC-VSC SO 2016 IEEE PES TRANSMISSION & DISTRIBUTION CONFERENCE AND EXPOSITION-LATIN AMERICA (PES T&D-LA) SE Proceedings of the IEEE-PES Transmission & Distribution Conference and Exposition Latin America LA English DT Proceedings Paper CT IEEE PES Transmission & Distribution Conference and Exposition-Latin America (PES T&D-LA) CY SEP 20-24, 2016 CL Morelia, MEXICO SP IEEE, IEEE PES DE HVDC; inertial response; offshore wind turbine AB This paper analyzes the inertial response of an offshore wind power plant (WPP) to provide ancillary services to the power system grid. The WPP is connected to a high-voltage direct-current voltage source converter HVDC-VSC to deliver the power to the onshore substation. The wind turbine generator (WTG) used is a doubly-fed induction generator (Type 3 WTG). In this paper we analyze a control method for the WTGs in an offshore WPP to support the grid and contribute ancillary services to the power system network. Detailed time domain simulations will be conducted to show the transient behavior of the inertial response of an offshore WPP. C1 [Gevorgian, V.; Muljadi, E.] Natl Renewable Energy Lab, Golden, CO USA. [Preciado, V.; Madrigal, M.] Inst Tecnol Morelia, Morelia, Michoacan, Mexico. EM preciado84@gmail.com; Vahan.Gevorgian@nrel.gov; Eduard_Muljadi@nrel.gov; manuelmadrigal@ieee.org NR 14 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 2381-3571 BN 978-1-5090-2875-7 J9 PROC IEEE-PES PY 2016 PG 6 WC Engineering, Electrical & Electronic SC Engineering GA BG8RF UT WOS:000392658600045 ER PT J AU Chinthavali, M Wang, ZQ Campbell, S AF Chinthavali, Madhu Wang, Zhiqiang Campbell, Steven GP IEEE TI Analytical Modeling of Wireless Power Transfer (WPT) Systems for Electric Vehicle Application SO 2016 IEEE TRANSPORTATION ELECTRIFICATION CONFERENCE AND EXPO (ITEC) LA English DT Proceedings Paper CT IEEE Transportation Electrification Conference and Expo (ITEC) CY JUN 27-29, 2016 CL Dearborn, MI SP IEEE AB This paper presents an analytical model for wireless power transfer system used in electric vehicle application. The equivalent circuit model for each major component of the system is described, including the input voltage source, resonant network, transformer, nonlinear diode rectifier load, etc. Based on the circuit model, the primary side compensation capacitance, equivalent input impedance, active / reactive power are calculated, and the model provides a guideline for parameter selection. In addition, the voltage gain curve from dc output to dc input is derived as well. A hardware prototype with series-parallel resonant stage was built to verify the developed model. The model was validated by comparing the experimental results from the hardware prototype. C1 [Chinthavali, Madhu; Wang, Zhiqiang; Campbell, Steven] Oak Ridge Natl Lab, Power Elect & Elect Machinery Grp, Oak Ridge, TN 37831 USA. EM chinthavalim@ornl.gov; wangz@ornl.gov; campbellsl@ornl.gov FU U.S. Department of Energy [DE-AC05-00OR22725]; Department of Energy FX This manuscript has been authored by Oak Ridge National Laboratory, operated by UT-Battelle, LLC, under Contract No. DE-AC05-00OR22725 with the U.S. Department of Energy. The United States Government retains and the publisher, by accepting the article for publication, acknowledges that the United States Government retains a non-exclusive, paid-up, irrevocable, worldwide license to publish or reproduce the published form of this manuscript, or allow others to do so, for United States Government purposes. The Department of Energy will provide public access to these results of federally sponsored research in accordance with the DOE Public Access Plan (http://energy.gov/downloads/doe-public-access-plan). NR 11 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA BN 978-1-5090-0403-4 PY 2016 PG 8 WC Engineering, Electrical & Electronic; Transportation Science & Technology SC Engineering; Transportation GA BG8PT UT WOS:000392619100062 ER PT J AU Chinthavali, M Onar, OC AF Chinthavali, Madhu Onar, Omer C. GP IEEE TI Tutorial on Wireless Power Transfer Systems SO 2016 IEEE TRANSPORTATION ELECTRIFICATION CONFERENCE AND EXPO (ITEC) LA English DT Proceedings Paper CT IEEE Transportation Electrification Conference and Expo (ITEC) CY JUN 27-29, 2016 CL Dearborn, MI SP IEEE C1 [Chinthavali, Madhu; Onar, Omer C.] NTRC, ORNL, Elect & Elect Syst Res Div, Power Elect & Elect Machinery Grp,ORNL Power Elec, Knoxville, TN 37932 USA. NR 0 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA BN 978-1-5090-0403-4 PY 2016 PG 141 WC Engineering, Electrical & Electronic; Transportation Science & Technology SC Engineering; Transportation GA BG8PT UT WOS:000392619100004 ER PT J AU Doubleday, K Meintz, A Markel, T AF Doubleday, Kate Meintz, Andrew Markel, Tony GP IEEE TI An Opportunistic Wireless Charging System Design for an On-Demand Shuttle Service SO 2016 IEEE TRANSPORTATION ELECTRIFICATION CONFERENCE AND EXPO (ITEC) LA English DT Proceedings Paper CT IEEE Transportation Electrification Conference and Expo (ITEC) CY JUN 27-29, 2016 CL Dearborn, MI SP IEEE AB System right-sizing is critical to implementation of in-motion wireless power transfer (WPT) for electric vehicles. This study introduces a modeling tool, WPTSim, which uses one-second speed, location, and road grade data from an on-demand employee shuttle in operation to simulate the incorporation of WPT at fine granularity. Vehicle power and state of charge are simulated over the drive cycle to evaluate potential system designs. The required battery capacity is determined based on the rated power at a variable number of charging locations. Adding just one WPT location can more than halve the battery capacity needed. Many configurations are capable of being self sustaining with WPT, while others benefit from supplemental stationary charging. C1 [Doubleday, Kate; Meintz, Andrew; Markel, Tony] Natl Renewable Energy Lab, Golden, CO 80401 USA. FU U.S. Department of Energy [DE-AC36-08GO28308]; National Renewable Energy Laboratory FX This work was supported by the U.S. Department of Energy under Contract No. DE-AC36-08GO28308 with the National Renewable Energy Laboratory. The U.S. Government retains and the publisher, by accepting the article for publication, acknowledges that the U.S. Government retains a nonexclusive, paid-up, irrevocable, worldwide license to publish or reproduce the published form of this work, or allow others to do so, for U.S. Government purposes. NR 10 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA BN 978-1-5090-0403-4 PY 2016 PG 6 WC Engineering, Electrical & Electronic; Transportation Science & Technology SC Engineering; Transportation GA BG8PT UT WOS:000392619100081 ER PT J AU Onar, OC Campbell, SL Seiber, LE White, CP Chinthavali, M AF Onar, Omer C. Campbell, Steven L. Seiber, Larry E. White, Cliff P. Chinthavali, Madhu GP IEEE TI A High-Power Wireless Charging System Development and Integration for a Toyota RAV4 Electric Vehicle SO 2016 IEEE TRANSPORTATION ELECTRIFICATION CONFERENCE AND EXPO (ITEC) LA English DT Proceedings Paper CT IEEE Transportation Electrification Conference and Expo (ITEC) CY JUN 27-29, 2016 CL Dearborn, MI SP IEEE DE Wireless power transfer; electric vehicle; electromagnetic induction resonant; wireless charging ID RECTIFIER; CONVERTER AB Several wireless charging methods are under development or available as an aftermarket option in the light-duty automotive market. However, there are not many studies detailing the vehicle integrations, particularly a fully integrated vehicle application. This paper presents the development, implementation, and vehicle integration of a high-power (> 10 kW) wireless power transfer (WPT)-based electric vehicle (EV) charging system for a Toyota RAV4 vehicle. The power stages of the system are introduced with the design specifications and control systems including the active front-end rectifier with power factor correction (PFC), high frequency power inverter, high frequency isolation transformer, coupling coils, vehicle side full-bridge rectifier and filter, and the vehicle battery. The operating principles of the overall wireless charging system as well as the control system are presented. The physical limitations of the system are also defined that would prevent the system from operating at higher levels. The system performance is shown for two cases including unmatched (interoperable) and matched coils. The experiments are carried out using the integrated vehicle and the results are obtained to demonstrate the system performance including the stage-by-stage efficiencies with matched and interoperable primary and secondary coils. C1 [Onar, Omer C.; Campbell, Steven L.; Seiber, Larry E.; White, Cliff P.; Chinthavali, Madhu] Oak Ridge Natl Lab, Natl Transportat Res Ctr, Power Elect & Elect Machinery Grp, Elect & Elect Syst Res Div, Knoxville, TN 37902 USA. EM onaroc@ornl.gov; campbellsl@ornl.gov; seiberle@ornl.gov; whitecp@ornl.gov; chinthavalim@ornl.gov FU U.S. Department of Energy [DE-AC05-00OR22725]; Department of Energy FX This manuscript has been authored by Oak Ridge National Laboratory, operated by UT-Battelle, LLC, under Contract No. DE-AC05-00OR22725 with the U.S. Department of Energy. The United States Government retains and the publisher, by accepting the article for publication, acknowledges that the United States Government retains a non-exclusive, paid-up, irrevocable, world-wide license to publish or reproduce the published form of this manuscript, or allow others to do so, for United States Government purposes. The Department of Energy will provide public access to these results of federally sponsored research in accordance with the DOE Public Access Plan (http://energy.gov/downloads/doe-public-access-plan). NR 21 TC 0 Z9 0 U1 2 U2 2 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA BN 978-1-5090-0403-4 PY 2016 PG 8 WC Engineering, Electrical & Electronic; Transportation Science & Technology SC Engineering; Transportation GA BG8PT UT WOS:000392619100063 ER PT J AU Prohaska, R Ragatz, A Simpson, M Kelly, K AF Prohaska, Robert Ragatz, Adam Simpson, Mike Kelly, Kenneth GP IEEE TI Medium-Duty Plug-in Electric Delivery Truck Fleet Evaluation SO 2016 IEEE TRANSPORTATION ELECTRIFICATION CONFERENCE AND EXPO (ITEC) LA English DT Proceedings Paper CT IEEE Transportation Electrification Conference and Expo (ITEC) CY JUN 27-29, 2016 CL Dearborn, MI SP IEEE AB In this paper, the authors present an overview of medium-duty electric vehicle (EV) operating behavior based on in-use data collected from Smith Newton electric delivery vehicles and compare their performance and operation to conventional diesel trucks operating in the same fleet. The vehicles' drive cycles and operation are analyzed and compared to demonstrate the importance of matching specific EV technologies to the appropriate operational duty cycle. The results of this analysis show that the Smith Newton EVs demonstrated a 68% reduction in energy consumption over the data reporting period compared to the conventional diesel vehicles, as well as a 46.4% reduction in carbon dioxide equivalent emissions based on the local energy generation source. C1 [Prohaska, Robert; Ragatz, Adam; Simpson, Mike; Kelly, Kenneth] Natl Renewable Energy Lab, Golden, CO 80401 USA. EM Robert.Prohaska@nrel.gov; Adam.Ragatz@nrel.gov; Mike.Simpson@nrel.gov; Kenneth.Kelly@nrel.gov FU DOE's Vehicle Technology Office's Vehicle Systems program; U.S. Department of Energy [DE-AC36-08GO28308]; National Renewable Energy Laboratory; DOE Office of Energy Efficiency; renewable Energy Vehicle Technologies Office FX The authors acknowledge Lee Slezak and David Anderson of the DOE and the DOE's Vehicle Technology Office's Vehicle Systems program for their support of this project. The authors would like to thank Smith Electric Vehicles and Steve Hanson of Frito Lay N.A. for their assistance in the procurement of the data examined as part of this study.; This work was supported by the U.S. Department of Energy under Contract No. DE-AC36-08GO28308 with the National Renewable Energy Laboratory. Funding was provided by the DOE Office of Energy Efficiency and renewable Energy Vehicle Technologies Office. The U.S. Government retains and the publisher, by accepting the article for publication, acknowledges that the U.S. Government retains a nonexclusive, paid-up, irrevocable, worldwide license to publish or reproduce the published form of this work, or allow others to do so, for U.S. Government purposes. NR 10 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA BN 978-1-5090-0403-4 PY 2016 PG 6 WC Engineering, Electrical & Electronic; Transportation Science & Technology SC Engineering; Transportation GA BG8PT UT WOS:000392619100078 ER PT J AU Prohaska, R Kelly, K Eudy, L AF Prohaska, Robert Kelly, Kenneth Eudy, Leslie GP IEEE TI Fast Charge Battery Electric Transit Bus In-Use Fleet Evaluation SO 2016 IEEE TRANSPORTATION ELECTRIFICATION CONFERENCE AND EXPO (ITEC) LA English DT Proceedings Paper CT IEEE Transportation Electrification Conference and Expo (ITEC) CY JUN 27-29, 2016 CL Dearborn, MI SP IEEE AB The focus of this interim fleet evaluation is to characterize and evaluate the operating behavior of Foothill Transit's fast charge battery electric buses (BEBs). Future research will compare the BEBs' performance to conventional vehicles. In an effort to better understand the impacts of drive cycle characteristics on advanced vehicle technologies, researchers at the National Renewable Energy Laboratory analyzed over 148,000 km of in-use operational data, including driving and charging events. This analysis provides an unbiased evaluation of advanced vehicle technologies in real-world operation demonstrating the importance of understanding the effects of road grade and heating, ventilating and air conditioning requirements when deploying electric vehicles. The results of this analysis show that the Proterra BE35 demonstrated an operating energy efficiency of 1.34 kWh/km over the data reporting period. C1 [Prohaska, Robert; Kelly, Kenneth; Eudy, Leslie] Natl Renewable Energy Lab, Golden, CO 80401 USA. EM Robert.Prohaska@nrel.gov; Kenneth.Kelly@nrel.gov; Leslie.Eudy@nrel.gov FU Vehicle Systems Program's Advanced Vehicle Testing Activity within the DOE's Vehicle Technologies Office [DE-AC36-08GO28308]; National Renewable Energy Laboratory FX This work was sponsored by the Vehicle Systems Program's Advanced Vehicle Testing Activity within the DOE's Vehicle Technologies Office under Contract No. DE-AC36-08GO28308 with the National Renewable Energy Laboratory. This evaluation at Foothill Transit would not have been possible without the support and cooperation of many people. The authors thank the following individuals: DOE: David Anderson and Lee Slezak. California Air Resources Board: Yachun Chow, Jennifer Lee, Craig Duehring. Foothill Transit: Roland Cordero, T.J. Nass, and Andrew Papson. Proterra: Mike Finnern and Joel Torr.; The U.S. Government retains and the publisher, by accepting the article for publication, acknowledges that the U.S. Government retains a nonexclusive, paid-up, irrevocable, worldwide license to publish or reproduce the published form of this work, or allow others to do so, for U.S. Government purposes. NR 2 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA BN 978-1-5090-0403-4 PY 2016 PG 6 WC Engineering, Electrical & Electronic; Transportation Science & Technology SC Engineering; Transportation GA BG8PT UT WOS:000392619100039 ER PT S AU Zhou, X Chen, HB Chen, J Chen, SB Feng, ZL AF Zhou, X. Chen, H. B. Chen, J. Chen, S. B. Feng, Zhili GP IEEE TI High temperature full-field strain measurement based on digital image correlation during arc welding SO 2016 IEEE WORKSHOP ON ADVANCED ROBOTICS AND ITS SOCIAL IMPACTS (ARSO) SE IEEE Workshop on Advanced Robotics and its Social Impacts LA English DT Proceedings Paper CT IEEE Workshop on Advanced Robotics and its Social Impacts (ARSO) CY JUL 08-10, 2016 CL Shanghai, PEOPLES R CHINA SP IEEE, IEEE Robot & Automat Soc, Shanghai Jiao Tong Univ, Intelligentized Robot Welding Technol Lab, Robot & Automat Comm Chinese Welding Soc, Shanghai Key Lab Materials Laser Proc & Modificat, BUAA Robot Inst & iTR LAB, Organizing Comm China Int Robot Show, SHANG FANUC Robot CO Ltd, Shanghai STEP Elect Corp, Guangzhou Ruisong Intelligent Polytron Technologies Inc, Jiangsu Beiren Robot Syst Co Ltd, Shanghai Zhenhua Heavy Ind Co Ltd, Changxing Branch, JARI Automat CO LTD CHINA, Collaborat Innovat Ctr Adv Ship & Deep Sea Explorat DE digital image correlation; arc welding; full-field strain measurement ID RESIDUAL-STRESS; NEUTRON-DIFFRACTION; DISPLACEMENT AB Experiments for measuring high temperature full-field strain were conducted during GTAW welding process using digital image correlation (DIC) technology. A special visual sensor system was equipped with image acquisition module. In order to reduce the influence of intense arc interference, a special laser-based illumination and filtering system was utilized. The in situ total strain close to the fusion line was measured during arc welding process. According to the total strain measured by DIC method and thermal strain calculated by the coefficient of thermal expansion, the mechanical strain was obtained, illustrating the sum of elastic and plastic strain distribution and deformation in the heated affected zone of the joint. Results showed that there remained compressive strain in both horizontal and vertical direction near the welding joint after welding. It demonstrated that full-field strain measurement could be achieved by DIC method during in situ arc welding. C1 [Zhou, X.; Chen, H. B.; Chen, S. B.] Shanghai Jiao Tong Univ, Sch Mat Sci & Engn, Shanghai 200240, Peoples R China. [Chen, J.; Feng, Zhili] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA. EM xue0308@sjtu.edu.cn; hbchen@sjtu.edu.cn; chenj2@ornl.gov; sbchen@sjtu.edu.cn; fengz@ornl.gov FU National Natural Science Foundation of China [51575348] FX Resrach supported by National Natural Science Foundation of China (Grant No. 51575348). NR 25 TC 0 Z9 0 U1 2 U2 2 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 2162-7568 BN 978-1-5090-4077-3 J9 IEEE WORK ADV ROBOT PY 2016 BP 203 EP 207 PG 5 WC Computer Science, Artificial Intelligence; Robotics SC Computer Science; Robotics GA BG8SB UT WOS:000392692500037 ER PT S AU Sviercoski, RF Travis, BJ Eggert, K AF Sviercoski, R. F. Travis, B. J. Eggert, K. BE Todorov, MD TI Description of Data Reanalysis of Daily Discharge and Gauge Height over the Amazon River Basin SO APPLICATION OF MATHEMATICS IN TECHNICAL AND NATURAL SCIENCES (AMITANS'16) SE AIP Conference Proceedings LA English DT Proceedings Paper CT 8th International Conference on Promoting the Application of Mathematics in Technical and Natural Sciences (AMiTaNS) CY JUN 22-27, 2016 CL Albena, BULGARIA SP Euro Amer Consortium Promoting Applicat Math Tech & Nat Sci ID VEGETATION AB The Amazon River is the world's largest, discharging more water to the ocean than any other river. Study of the world's freshwater resources becomes more significant with increasing awareness of global climate change and its potential effect on those resources and atmospheric forcing. In this work, a reanalysis of the daily discharge and gauge height data for 87 active gauge stations throughout the Amazon River Basin is presented. The data was originally obtained from the web site maintained by ANEEL Brazilian Electricity Regulatory Agency. We describe the problems encountered in trying to use the original data and the assumptions applied in the reanalysis procedure. The reanalysis consisted of filtering inconsistencies in the comma (decimal) notation, filling in missing data, and replacing inconsistent data values by applying the assumption of a stationary Markov process. The reanalyzed data is available to the community through an anonymous ftp-site. C1 [Sviercoski, R. F.] Bulgarian Acad Sci, Inst Oceanol, Varna, Bulgaria. [Travis, B. J.; Eggert, K.] Los Alamos Natl Lab, Los Alamos, NM USA. EM rsviercoski@io-bas.bg; bjtravis@lanl.edu; kgemt@frontiernet.net FU Los Alamos National Laboratory, LDRD Project "High-Resolution Physically-Based Model of Semi-Arid River Basin Hydrology"; SAHRA (Sustainability of semi-Arid Hydrology and Riparian Areas) under the STC Program of the National Science Foundation [EAR-9876800] FX This work was partially supported by the Los Alamos National Laboratory, LDRD Project "High-Resolution Physically-Based Model of Semi-Arid River Basin Hydrology" and in collaboration with SAHRA (Sustainability of semi-Arid Hydrology and Riparian Areas) under the STC Program of the National Science Foundation under Agreement No. EAR-9876800. NR 11 TC 0 Z9 0 U1 0 U2 0 PU AMER INST PHYSICS PI MELVILLE PA 2 HUNTINGTON QUADRANGLE, STE 1NO1, MELVILLE, NY 11747-4501 USA SN 0094-243X BN 978-0-7354-1431-0 J9 AIP CONF PROC PY 2016 VL 1773 AR 110013 DI 10.1063/1.4965017 PG 7 WC Mathematics, Applied; Physics, Applied SC Mathematics; Physics GA BG8SA UT WOS:000392692400063 ER PT S AU Rizzo, DB Blackburn, MR AF Rizzo, Davinia B. Blackburn, Mark R. BE Dagli, CH TI Use of Bayesian Networks for Qualification Planning: Early Results of Factor Analysis SO COMPLEX ADAPTIVE SYSTEMS SE Procedia Computer Science LA English DT Proceedings Paper CT Conference on Engineering Cyber Physical Systems: Applying Theory to Practice CY NOV 02-04, 2016 CL Los Angeles, CA SP Missouri Univ Sci & Technol DE Bayesian network; qualification; vibration; systems engineering; 6DOF; multi-axis; decision model; factor analysis ID KNOWLEDGE; SAFETY AB This paper discusses the factor analysis that provides the basis for development and use of Bayesian Network (BN) models to support qualification planning in order to predict the suitability of Six Degrees of Freedom (6DOF) vibration testing for qualification. Qualification includes environmental testing such as temperature, vibration and shock to support a stochastic argument about the suitability of a design. Qualification is becoming more complex because it involves significant human expert judgment and relies on new technologies that have often never been fully utilized to support design assessment. Technology has advanced to the state where 6DOF vibration tests are possible, but these tests are far more complex than traditional single degree of freedom tests. This challenges systems engineers as they strive to plan qualification in an environment where technical and environmental constraints are coupled with the traditional costs, risk and schedule constraints. BN models may provide a framework to aid Systems Engineers in planning qualification efforts with complex constraints. Previous work identified a method for building a BN model for the predictive framework. This paper discusses validation efforts of models derived from the factor analysis and summarizes some recommendations on the factor analyses from industry subject matter experts. (C) 2016 The Authors. Published by Elsevier B.V. C1 [Rizzo, Davinia B.] Sandia Natl Labs, POB 5800 M-S 0472, Albuquerque, NM 87123 USA. [Blackburn, Mark R.] Stevens Inst Technol, 1 Castle Point Hudson, Hoboken, NJ 07030 USA. EM dbrizzo@sandia.gov NR 47 TC 0 Z9 0 U1 0 U2 0 PU ELSEVIER SCIENCE BV PI AMSTERDAM PA SARA BURGERHARTSTRAAT 25, PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS SN 1877-0509 J9 PROCEDIA COMPUT SCI PY 2016 VL 95 BP 408 EP 417 DI 10.1016/j.procs.2016.09.354 PG 10 WC Computer Science, Hardware & Architecture; Computer Science, Interdisciplinary Applications; Computer Science, Theory & Methods SC Computer Science GA BG8TL UT WOS:000392696000051 ER PT S AU Rasmussen, L Sandberg, E Albers, LN Rodriguez, S Gentile, CA Meixler, LD Ascione, G Hitchner, R Taylor, J Hoffman, D Cylinder, D Moy, L Mark, PS Prillaman, DL Nordarse, R Menegus, MJ Ratto, JA Thellen, CT Froio, D Furlong, C Razavi, P Valenza, L Hablani, S Fuerst, T Gallucci, S Blocher, W Liffland, S AF Rasmussen, Lenore Sandberg, Eric Albers, Leila N. Rodriguez, Simone Gentile, Charles A. Meixler, Lewis D. Ascione, George Hitchner, Robert Taylor, James Hoffman, Dan Cylinder, David Moy, Leon Mark, Patrick S. Prillaman, Daniel L. Nordarse, Robert Menegus, Michael J. Ratto, Jo Ann Thellen, Christopher T. Froio, Danielle Furlong, Cosme Razavi, Payam Valenza, Logan Hablani, Surbhi Fuerst, Tyler Gallucci, Sergio Blocher, Whitney Liffland, Stephanie BE BarCohen, Y Vidal, F TI Ras Labs-CASIS-ISS NL Experiment for Synthetic Muscle: Resistance to Ionizing Radiation SO ELECTROACTIVE POLYMER ACTUATORS AND DEVICES (EAPAD) 2016 SE Proceedings of SPIE LA English DT Proceedings Paper CT SPIE Conference on Electroactive Polymer Actuators and Devices (EAPAD) CY MAR 21-24, 2016 CL Las Vegas, NV SP SPIE, Polytec Inc, OZ Opt Ltd, APS Dynam Inc, TA Electroforce Corp, ElectroForce Syst Grp, Inst Phys, Amer Elements AB In anticipation of deep space travel, new materials are being explored to assist and relieve humans in dangerous environments, such as high radiation, extreme temperature, and extreme pressure. Ras Labs Synthetic Muscle (TM) - electroactive polymers (EAPs) that contract and expand at low voltages - which mimic the unique gentle-yet-strong nature of human tissue, is a potential asset to manned space travel through protective gear and human assist robotics and for unmanned space exploration through deep space. Generation 3 Synthetic Muscle T was proven to be resistant to extreme temperatures, and there were indications that these materials may also be radiation resistant. The purpose of the Ras Labs-CASIS-ISS Experiment is to test the radiation resistivity of the third and fourth generation of these EAPs, as well as to make them even more radiation resistant or radiation hardened. On Earth, exposure of the Generation 3 and Generation 4 EAPs to a Cs-137 radiation source for 47.8 hours with a total dose of 305.931 kRad of gamma radiation was performed at the US Department of Energy's Princeton Plasma Physics Laboratory (PPPL) at Princeton University, followed by pH, peroxide, Shore Hardness Durometry, and electroactivity testing to determine the inherent radiation resistivity of these contractile EAPs and to determine whether the EAPs could be made even more radiation resistant through the application of appropriate additives and coatings. The on Earth preliminary tests determined that selected Ras Labs EAPs were not only inherently radiation resistant, but with the appropriate coatings and additives, could be made even more radiation resistant. G-force testing to over 10 G's was performed at US Army's ARDEC Labs, with excellent results, in preparation for space flight to the International Space Station National Laboratory (ISS-NL). Selected samples of Generation 3 and Generation 4 Synthetic Muscle (TM), with various additives and coatings, were launched to the ISS-NL on April, 14 2015 on the SpaceX-6 payload, and will return to Earth in 2016. The most significant change from the on Earth radiation exposure was color change in the irradiated EAP samples, which in polymers can be indicative of accelerated aging. There was visible yellowing in the irradiated samples compared to the control samples, which were not irradiated and were clear and colorless. On Earth, surface motion analysis for speed of onset of actuation after electric input at the nano-level on selected Synthetic Muscle (TM) samples was determined using high speed digital photography. While the Synthetic Muscle Experiment is in orbit on the ISS-NL, photo events occur every 4 to 6 weeks to observe any changes, such as color, in the samples. The bulk of the testing will occur when these EAP samples return back to Earth, and will be compared to the duplicate experiment that remains on Earth (the control experiment). Newly developed fifth generation Synthetic Muscle (TM) EAPs, in addition to being electroactive and shape-morphing, are also extremely impact resistant. These Generation 5 EAPs were tested at the nanometer level for exact speed of onset following electric input, with start of electro-actuation within 20 milliseconds. Smart electroactive polymer based materials and actuators promise to transform prostheses and robots, allowing for the treatment, reduction, and prevention of debilitating injury and fatalities, and to further our exploration by land, sea, air, and space. C1 [Rasmussen, Lenore; Sandberg, Eric; Albers, Leila N.; Rodriguez, Simone] Ras Labs LLC, Synthet Muscle Prosthet & Robot, 300 Congress St,Suite 405, Quincy, MA 02043 USA. [Gentile, Charles A.; Meixler, Lewis D.; Ascione, George; Hitchner, Robert; Taylor, James] Princeton Univ, US DOE, Princeton Plasma Phys Lab, 100 Stellerator Rd, Princeton, NJ 08540 USA. [Hoffman, Dan] Princeton Univ, Dept Mech & Aerosp Engn, Gas & Fluid Dynam Lab, 501 Forrestal Rd,James Forrestal Campus, Princeton, NJ 08540 USA. [Cylinder, David] Nova Photon Inc, 200 Forrestal Rd, Princeton, NJ 08540 USA. [Moy, Leon; Mark, Patrick S.; Prillaman, Daniel L.; Nordarse, Robert; Menegus, Michael J.] US Army, ARDEC Labs, RDECOM, Picatinny Arsenal, NJ 07806 USA. [Ratto, Jo Ann; Thellen, Christopher T.; Froio, Danielle] US Army, Natick Soldier Res Dev & Engn Ctr, Natick Labs, Natick, MA 01760 USA. [Furlong, Cosme; Razavi, Payam] Worcester Polytech Inst, Inst Rd, Dept Mech Engn, 100 Inst Rd, Worcester, MA 01609 USA. [Valenza, Logan] Florida Inst Technol, Florida Tech, 150 West Univ Blvd, Melbourne, FL 32901 USA. [Hablani, Surbhi] Skidmore Coll, 815 North Broadway, Saratoga Springs, NY 12866 USA. [Fuerst, Tyler; Gallucci, Sergio; Blocher, Whitney] Clarkson Univ, 8 Clarkson Ave, Potsdam, NY 13699 USA. [Liffland, Stephanie] Univ North Carolina Chapel Hill, Chapel Hill, NC 27599 USA. FU CASIS Award [UA-2014-119]; US DOE [DE-AC02-CH0911466, DE-AC02-76CHO3037]; Office of Academic Advising FX The Ras Labs-CASIS-ISS project was supported by the CASIS Award UA-2014-119 and we would like to graciously thank April Spinale, Cynthia Bouthot, Ken Shields, Jonathan Volk, Emily Roberge, and Robbie Hampton of CASIS; Amanda Rice and Linda Weaver of Boeing; and Ramona Gaza, Melissa Wallace, Ina Sen, Cynthia Azzarita, Kevin Hargrave, Scott Kelly, Tim Kopra, and many others of NASA. The Synthetic Muscle Project was supported in part by the US DOE Contract No. DE-AC02-CH0911466 and DE-AC02-76CHO3037. Collegiate internship support was provided in part by the National Undergraduate Fellowship (NUF) and Science Undergraduate Laboratory Internship (SULI) Programs and we would also like to thank the Office of Academic Advising for the SEE-Beyond funding and Physics Department at Skidmore College. NR 3 TC 0 Z9 0 U1 3 U2 3 PU SPIE-INT SOC OPTICAL ENGINEERING PI BELLINGHAM PA 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA SN 0277-786X BN 978-1-5106-0039-3 J9 PROC SPIE PY 2016 VL 9798 AR 97980P DI 10.1117/12.2219473 PG 10 WC Optics; Polymer Science SC Optics; Polymer Science GA BG3ZX UT WOS:000388439700008 ER PT J AU MacDonald, GA Yang, MJ Berweger, S Killgore, JP Kabos, P Berry, JJ Zhu, K DelRio, FW AF MacDonald, Gordon A. Yang, Mengjin Berweger, Samuel Killgore, Jason P. Kabos, Pavel Berry, Joseph J. Zhu, Kai DelRio, Frank W. TI Methylammonium lead iodide grain boundaries exhibit depth-dependent electrical properties SO Energy & Environmental Science LA English DT Article ID PEROVSKITE SOLAR-CELLS; CH3NH3PBI3 PEROVSKITE; HIGH-PERFORMANCE; EFFICIENCY; FILMS; STATE; RECOMBINATION; PASSIVATION; HYSTERESIS; LIGHT AB In this communication, the nanoscale through-filmand lateral photo-response and conductivity of large-grained methylammonium lead iodide (MAPbI(3)) thin films are studied. In perovskite solar cells (PSC), these films result in efficiencies >17%. The grain boundaries (GBs) show high resistance at the top surface of the film, and act as an impediment to photocurrent collection. However, lower resistance pathways between grains exist below the top surface of the film, indicating that there exists a depth-dependent resistance of GBs (R-GB(z)). Furthermore, lateral conductivity measurements indicate that R-GB(z) exhibits GB-to-GB heterogeneity. These results indicate that increased photocurrent collection along GBs is not a prerequisite for high-efficiency PSCs. Rather, better control of depth-dependent GB electrical properties, and an improvement in the homogeneity of the GB-to-GB electrical properties, must be managed to enable further improvements in PSC efficiency. Finally, these results refute the implicit assumption seen in the literature that the electrical properties of GBs, as measured at the top surface of the perovskite film, necessarily reflect the electrical properties of GBs within the thickness of the film. C1 [MacDonald, Gordon A.; Killgore, Jason P.; DelRio, Frank W.] NIST, Appl Chem & Mat Div, Mat Measurement Lab, Boulder, CO 80305 USA. [Yang, Mengjin; Zhu, Kai] Natl Renewable Energy Lab, Chem & Nanosci Ctr, Golden, CO 80401 USA. [Berweger, Samuel; Kabos, Pavel] NIST, Div Appl Phys, Phys Measurement Lab, Boulder, CO 80305 USA. [Berry, Joseph J.] Natl Renewable Energy Lab, Natl Ctr Photovolta, Golden, CO 80401 USA. RP DelRio, FW (reprint author), NIST, Appl Chem & Mat Div, Mat Measurement Lab, Boulder, CO 80305 USA. EM frank.delrio@nist.gov OI Yang, Mengjin/0000-0003-2019-4298 NR 29 TC 1 Z9 1 U1 7 U2 7 PU ROYAL SOC CHEMISTRY PI CAMBRIDGE PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS, ENGLAND SN 1754-5692 EI 1754-5706 J9 ENERG ENVIRON SCI JI Energy Environ. Sci. PY 2016 VL 9 IS 12 BP 3642 EP 3649 DI 10.1039/c6ee01889k PG 8 WC Chemistry, Multidisciplinary; Energy & Fuels; Engineering, Chemical; Environmental Sciences SC Chemistry; Energy & Fuels; Engineering; Environmental Sciences & Ecology GA EJ0QP UT WOS:000392915500003 ER PT J AU Shan, B Das, AK Marquard, S Farnum, BH Wang, D Bullock, RM Meyer, TJ AF Shan, B. Das, A. K. Marquard, S. Farnum, B. H. Wang, D. Bullock, R. M. Meyer, T. J. TI Photogeneration of hydrogen from water by a robust dye-sensitized photocathode SO Energy & Environmental Science LA English DT Article ID CHROMOPHORE-CATALYST ASSEMBLIES; SOLAR-CELLS; MOLECULAR CATALYSTS; H-2 PRODUCTION; METAL-OXIDES; COMPLEXES; OXIDATION; ELECTROCATALYSTS; BUFFERS; DESIGN AB We report here on a photocathode with a "donor-dye-catalyst'' assembly on a macro-mesoporous metal oxide for water reduction. The photoelectrocatalytic performance of the photocathode under mild conditions, with a photocurrent density of -56 mu A cm(-2) and a Faradaic yield of 53%, is superior relative to other reported photocathodes with surface attached molecular catalysts. Detailed electron transfer analyses show that the successful application of this photocathode originates mainly from the slow back electron transfer following light excitation. The results also demonstrate that addition of the long-chain assembly to the macro-mesoporous electrode surface plays a fundamental role in providing sufficient catalyst for water reduction. C1 [Shan, B.; Marquard, S.; Farnum, B. H.; Wang, D.; Meyer, T. J.] Univ North Carolina Chapel Hill, Dept Chem, Chapel Hill, NC 27599 USA. [Das, A. K.; Bullock, R. M.] Pacific Northwest Natl Lab, Div Phys Sci, Ctr Mol Electrocatalysis, POB 999,K2-12, Richland, WA 99352 USA. RP Meyer, TJ (reprint author), Univ North Carolina Chapel Hill, Dept Chem, Chapel Hill, NC 27599 USA. EM tjmeyer@unc.edu FU University of North Carolina Energy Frontier Research Center (UNC EFRC): Center for Solar Fuels, an Energy Frontier Research Center; U.S. Department of Energy (DOE), Office of Science, Office of Basic Energy Sciences [DE-SC0001011]; Center for Molecular Electrocatalysis, an Energy Frontier Research Center - U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences FX The research on photoelectrocatalytic water reduction and dynamic electron transfer analysis was primarily supported by the University of North Carolina Energy Frontier Research Center (UNC EFRC): Center for Solar Fuels, an Energy Frontier Research Center supported by the U.S. Department of Energy (DOE), Office of Science, Office of Basic Energy Sciences, under Award DE-SC0001011 (B. S., S. M., D. W.). Synthesis of the nickel catalyst (A. K. D.) was supported as part of the Center for Molecular Electrocatalysis, an Energy Frontier Research Center funded by the U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences. Pacific Northwest National Laboratory is operated by Battelle for the U.S. Department of Energy. NR 28 TC 0 Z9 0 U1 0 U2 0 PU ROYAL SOC CHEMISTRY PI CAMBRIDGE PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS, ENGLAND SN 1754-5692 EI 1754-5706 J9 ENERG ENVIRON SCI JI Energy Environ. Sci. PY 2016 VL 9 IS 12 BP 3693 EP 3697 DI 10.1039/c6ee02903e PG 5 WC Chemistry, Multidisciplinary; Energy & Fuels; Engineering, Chemical; Environmental Sciences SC Chemistry; Energy & Fuels; Engineering; Environmental Sciences & Ecology GA EJ0QP UT WOS:000392915500010 ER PT J AU Ponce-Gonzalez, J Whelligan, DK Wang, LQ Bance-Soualhi, R Wang, Y Peng, YQ Peng, HQ Apperley, DC Sarode, HN Pandey, TP Divekar, AG Seifert, S Herring, AM Zhuang, L Varcoe, JR AF Ponce-Gonzalez, Julia Whelligan, Daniel K. Wang, Lianqin Bance-Soualhi, Rachida Wang, Ying Peng, Yanqiu Peng, Hanqing Apperley, David C. Sarode, Himanshu N. Pandey, Tara P. Divekar, Ashutosh G. Seifert, Soenke Herring, Andrew M. Zhuang, Lin Varcoe, John R. TI High performance aliphatic-heterocyclic benzyl-quaternary ammonium radiation-grafted anion-exchange membranes SO Energy & Environmental Science LA English DT Article ID ELECTROLYTE FUEL-CELLS; HYDROGEN OXIDATION REACTION; ALKALINE POLYMER ELECTROLYTES; HEAD-GROUPS; STABILITY; DEGRADATION; CATIONS; BENZYLTRIMETHYLAMMONIUM; CONVERSION; MECHANISM AB Anion-exchange membranes (AEM) containing saturated-heterocyclic benzyl-quaternary ammonium (QA) groups synthesised by radiation-grafting onto poly(ethylene-co-tetrafluoroethylene) (ETFE) films are reported. The relative properties of these AEMs are compared with the benchmark radiation-grafted ETFE-g-poly(vinylbenzyltrimethylammonium) AEM. Two AEMs containing heterocyclic-QA head groups were down-selected with higher relative stabilities in aqueous KOH (1 mol dm(-3)) at 80 degrees C (compared to the benchmark): these 100 mm thick (fully hydrated) ETFE-g-poly(vinylbenzyl-N-methylpiperidinium)- and ETFE-g-poly(vinylbenzyl-N-methylpyrrolidinium)-based AEMs had as-synthesised ion-exchange capacities (IEC) of 1.64 and 1.66 mmol g(-1), respectively, which reduced to 1.36 mmol dm(-3) (ca. 17-18% loss of IEC) after alkali ageing (the benchmark AEM showed 30% loss of IEC under the same conditions). These down-selected AEMs exhibited as-synthesised Cl- ion conductivities of 49 and 52 mS cm(-1), respectively, at 90 degrees C in a 95% relative humidity atmosphere, while the OH- forms exhibited conductivities of 138 and 159 mS cm(-1), respectively, at 80 degrees C in a 95% relative humidity atmosphere. The ETFE-g-poly(vinylbenzyl-N-methylpyrrolidinium)-based AEM produced the highest performances when tested as catalyst coated membranes in H-2/O-2 alkaline polymer electrolyte fuel cells at 60 degrees C with PtRu/C anodes, Pt/C cathodes, and a polysulfone ionomer: the 100 mu m thick variant (synthesised from 50 mu m thick ETFE) yielded peak power densities of 800 and 630 mW cm(-2) (with and without 0.1 MPa back pressurisation, respectively), while a 52 mu m thick variant (synthesised from 25 mu m thick ETFE) yielded 980 and 800 mW cm(-2) under the same conditions. From these results, we make the recommendation that developers of AEMs, especially pendent benzyl-QA types, should consider the benzyl-N-methylpyrrolidinium head-group as an improvement to the current de facto benchmark benzyltrimethylammonium head-group. C1 [Ponce-Gonzalez, Julia; Whelligan, Daniel K.; Wang, Lianqin; Bance-Soualhi, Rachida; Varcoe, John R.] Univ Surrey, Dept Chem, Guildford GU2 7XH, Surrey, England. [Wang, Ying; Peng, Yanqiu; Peng, Hanqing; Zhuang, Lin] Wuhan Univ, Dept Chem, Wuhan 430072, Peoples R China. [Apperley, David C.] Univ Durham, Dept Chem, South Rd, Durham DH1 3LE, England. [Sarode, Himanshu N.; Pandey, Tara P.; Divekar, Ashutosh G.; Herring, Andrew M.] Colorado Sch Mines, Dept Chem & Biol Engn, Golden, CO 80401 USA. [Seifert, Soenke] Argonne Natl Lab, X Ray Sci Div, Adv Photon Source, Argonne, IL 60439 USA. RP Ponce-Gonzalez, J (reprint author), Univ Surrey, Dept Chem, Guildford GU2 7XH, Surrey, England. EM j.ponce@surrey.ac.uk OI Ponce-Gonzalez, Julia/0000-0002-3317-1207; Varcoe, John/0000-0001-9898-0235 FU Engineering and Physical Sciences Research Council (EPSRC) [EP/M014371/1, EP/M005933/1]; US Army Research Office [W911NF-11-1-0462]; DOE Office of Science by Argonne National Laboratory [DE-AC02-06CH11357] FX The UK component of the research was supported by Engineering and Physical Sciences Research Council (EPSRC) grants EP/M014371/1 and EP/M005933/1. The University of Surrey (UK) team synthesised the AEMs and conducted all characterisations apart from the fuel cell test data recorded by the team at Wuhan University (P. R. China), the solid state NMR measurements recorded at Durham University, and the conductivity (Cl- and OH- forms in controlled relative humidity atmospheres), WURH, lambda, and SAXS data recorded by the team at the Colorado School of Mines (CSM, USA). The CSM team thank the US Army Research Office for support of this research under the MURI program, grant W911NF-11-1-0462. This research used resources of the Advanced Photon Source, a U.S. Department of Energy (DOE) Office of Science User Facility operated for the DOE Office of Science by Argonne National Laboratory under Contract No. DE-AC02-06CH11357. All of the raw data collected at Surrey is freely available (in compliance with EPSRC rules): the meta-data and details on how to access this raw data can be found at DOI: 10.15126/surreydata.00811096. NR 42 TC 3 Z9 3 U1 15 U2 15 PU ROYAL SOC CHEMISTRY PI CAMBRIDGE PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS, ENGLAND SN 1754-5692 EI 1754-5706 J9 ENERG ENVIRON SCI JI Energy Environ. Sci. PY 2016 VL 9 IS 12 BP 3724 EP 3735 DI 10.1039/c6ee01958g PG 12 WC Chemistry, Multidisciplinary; Energy & Fuels; Engineering, Chemical; Environmental Sciences SC Chemistry; Energy & Fuels; Engineering; Environmental Sciences & Ecology GA EJ0QP UT WOS:000392915500013 ER PT J AU Zhang, CJ Ji, CX Wang, WS Schmidt, D Jin, XF Lemmon, JP Huang, KV AF Zhang, Cuijuan Ji, Chengxiang Wang, Wensheng Schmidt, Doug Jin, Xinfang Lemmon, John P. Huang, Kevin TI A dynamic solid oxide fuel cell empowered by the built-in iron-bed solid fuel SO Energy & Environmental Science LA English DT Article ID ENERGY-STORAGE; HYDROGEN-PRODUCTION; CONTROL STRATEGY; REDOX; PERFORMANCE; OPERATION; BATTERY; REDUCTION; SYSTEM; STATE AB Large scale integration of intermittent solar and wind power can result in an imbalance in generation and load creating a stressed grid with increased frequency excursions and large power ramps. To mitigate these instabilities the use of energy storage devices such as batteries or other mechanical devices is under investigation. Solid oxide fuel cells (SOFCs) are a class of efficient and clean power generator that can provide a timely power injection into the grid. However, they have limited ramping capability and overload tolerance due to fuel delivery constraints that can cause fuel starvation, resulting in Ni-oxidation and irreversible degradation in performance. Herein, we demonstrate a new concept of SOFC that incorporates a regenerative Fe-bed inside the anode chamber as a means of boosting SOFC's dynamic response. The testing results show that such Fe-bed SOFC can operate at 195% overloaded power with a doubled power output over the baseload for at least 5 min, whereas the control Fe-bed free SOFC cannot operate even at 27% overload for 1 min. More interestingly, the Fe-SOFC can respond to load demand instantaneously, reaching a ramp rate of +/- 11 W cm(-2) min(-1). The demonstrated new functionality is expected to empower SOFCs to play a transformational role in providing fast ramping power to the utility grid and overload-tolerant baseload power to the critical data centres. The challenges of this new technology are also discussed. C1 [Zhang, Cuijuan; Jin, Xinfang; Huang, Kevin] Univ South Carolina, Dept Mech Engn, Columbia, SC 29208 USA. [Ji, Chengxiang; Wang, Wensheng; Schmidt, Doug] Atrex Energy, 19 Walpole Pk South, Walpole, MA 02081 USA. [Lemmon, John P.] US DOE, Adv Res Project Agcy Energy, Washington, DC USA. [Lemmon, John P.] Natl Inst Clean & Low Carbon Energy, Beijing, Peoples R China. RP Huang, KV (reprint author), Univ South Carolina, Dept Mech Engn, Columbia, SC 29208 USA. EM HUANG46@cec.sc.edu FU Advanced Research Projects Agency-Energy (ARPA-E), U.S. Department of Energy [DE-AR0000492] FX This work was funded by the Advanced Research Projects Agency-Energy (ARPA-E), U.S. Department of Energy, under Award number DE-AR0000492. Mr Xiaolei Xiong is thanked for his assistance with tape-casting. We would like to thank Dr Norman Bessette, Jolyon Rawson, Paul Matthews and Jesus Solis from Atrex Energy for supporting cell manufacturing and testing. NR 32 TC 1 Z9 1 U1 1 U2 1 PU ROYAL SOC CHEMISTRY PI CAMBRIDGE PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS, ENGLAND SN 1754-5692 EI 1754-5706 J9 ENERG ENVIRON SCI JI Energy Environ. Sci. PY 2016 VL 9 IS 12 BP 3746 EP 3753 DI 10.1039/c6ee02419j PG 8 WC Chemistry, Multidisciplinary; Energy & Fuels; Engineering, Chemical; Environmental Sciences SC Chemistry; Energy & Fuels; Engineering; Environmental Sciences & Ecology GA EJ0QP UT WOS:000392915500015 ER PT J AU Hayes, D Hadt, RG Emery, JD Cordones, AA Martinson, ABF Shelby, ML Fransted, KA Dahlberg, PD Hong, JY Zhang, XY Kong, QY Schoenlein, RW Chen, LX AF Hayes, Dugan Hadt, Ryan G. Emery, Jonathan D. Cordones, Amy A. Martinson, Alex B. F. Shelby, Megan L. Fransted, Kelly A. Dahlberg, Peter D. Hong, Jiyun Zhang, Xiaoyi Kong, Qingyu Schoenlein, Robert W. Chen, Lin X. TI Electronic and nuclear contributions to time-resolved optical and X-ray absorption spectra of hematite and insights into photoelectrochemical performance SO Energy & Environmental Science LA English DT Article ID ULTRAFAST CARRIER DYNAMICS; WATER OXIDATION; ALPHA-FE2O3 HEMATITE; STRUCTURAL FEATURES; NANOSTRUCTURED ALPHA-FE2O3; EDGE ABSORPTION; ENERGY-TRANSFER; IN-SITU; PHOTOANODES; SPECTROSCOPY AB Ultrafast time-resolved studies of photocatalytic thin films can provide a wealth of information crucial for understanding and thereby improving the performance of these materials by directly probing electronic structure, reaction intermediates, and charge carrier dynamics. The interpretation of transient spectra, however, can be complicated by thermally induced structural distortions, which appear within the first few picoseconds following excitation due to carrier-phonon scattering. Here we present a comparison of ex situ steady-state thermal difference spectra and transient absorption spectra spanning from NIR to hard X-ray energies of hematite thin films grown by atomic layer deposition. We find that beyond the first 100 picoseconds, the transient spectra measured for all excitation wavelengths and probe energies are almost entirely due to thermal effects as the lattice expands in response to the ultrafast temperature jump and then cools to room temperature on the microsecond timescale. At earlier times, a broad excited state absorption band that is assigned to free carriers appears at 675 nm, and the lifetime and shape of this feature also appear to be mostly independent of excitation wavelength. The combined spectroscopic data, which are modeled with density functional theory and full multiple scattering calculations, support an assignment of the optical absorption spectrum of hematite that involves two LMCT bands that nearly span the visible spectrum. Our results also suggest a framework for shifting the ligand-to-metal charge transfer absorption bands of ferric oxide films from the near-UV further into the visible part of the solar spectrum to improve solar conversion efficiency. C1 [Hayes, Dugan; Hadt, Ryan G.; Shelby, Megan L.; Fransted, Kelly A.; Dahlberg, Peter D.; Hong, Jiyun; Chen, Lin X.] Argonne Natl Lab, Chem Sci & Engn Div, Argonne, IL 60439 USA. [Emery, Jonathan D.; Martinson, Alex B. F.] Argonne Natl Lab, Div Mat Sci, Argonne, IL 60439 USA. [Cordones, Amy A.; Schoenlein, Robert W.] Lawrence Berkeley Natl Lab, Div Chem Sci, Berkeley, CA 94709 USA. [Shelby, Megan L.; Hong, Jiyun; Chen, Lin X.] Northwestern Univ, Dept Chem, Evanston, IL 60208 USA. [Dahlberg, Peter D.] Univ Chicago, James Franck Inst, Grad Program Biophys Sci, Chicago, IL 60637 USA. [Dahlberg, Peter D.] Univ Chicago, Inst Biophys Dynam, Chicago, IL 60637 USA. [Zhang, Xiaoyi; Kong, Qingyu] Argonne Natl Lab, X Ray Sci Div, Argonne, IL 60439 USA. RP Hayes, D; Chen, LX (reprint author), Argonne Natl Lab, Chem Sci & Engn Div, Argonne, IL 60439 USA.; Chen, LX (reprint author), Northwestern Univ, Dept Chem, Evanston, IL 60208 USA. EM hayesd@anl.gov; lchen@anl.gov FU U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences, through Argonne National Laboratory (ANL) [DE-AC02-06CH11357]; Joseph J. Katz Fellowship from ANL; U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences [DE-AC02-06CH11357, DE-AC02-05CH11231]; Argonne-Northwestern Solar Energy Research (ANSER) Center, an Energy Frontier Research Center - U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences [DE-SC0001059] FX This work was supported by the U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences, through Argonne National Laboratory (ANL) under Contract No. DE-AC02-06CH11357. D. H. acknowledges support from the Joseph J. Katz Fellowship from ANL. Use of the Advanced Photon Source (APS) at ANL is supported by the U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences under Contract No. DE-AC02-06CH11357. A. A. C., R. W. S., and experiments at the Advanced Light Source (ALS) at Lawrence Berkeley National Laboratory were supported by the U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences under Contract No. DE-AC02-05CH11231. Work by J. D. E. and A. B. M. F., including project conception, ALD thin film growth, and discussion was supported by Argonne-Northwestern Solar Energy Research (ANSER) Center, an Energy Frontier Research Center funded by the U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences, under Award Number DE-SC0001059. We gratefully acknowledge the computing resources provided on Blues and Fusion, a high-performance computing cluster operated by the Laboratory Computing Resource Center at ANL. NR 94 TC 1 Z9 1 U1 6 U2 6 PU ROYAL SOC CHEMISTRY PI CAMBRIDGE PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS, ENGLAND SN 1754-5692 EI 1754-5706 J9 ENERG ENVIRON SCI JI Energy Environ. Sci. PY 2016 VL 9 IS 12 BP 3754 EP 3769 DI 10.1039/c6ee02266a PG 16 WC Chemistry, Multidisciplinary; Energy & Fuels; Engineering, Chemical; Environmental Sciences SC Chemistry; Energy & Fuels; Engineering; Environmental Sciences & Ecology GA EJ0QP UT WOS:000392915500016 ER PT J AU Miller, WH Cotton, SJ AF Miller, William H. Cotton, Stephen J. TI Classical molecular dynamics simulation of electronically non-adiabatic processes SO FARADAY DISCUSSIONS LA English DT Article ID TRANSITION-STATE THEORY; NONSEPARABLE SYSTEMS; DISSIPATIVE SYSTEMS; QUANTUM DYNAMICS; RATE CONSTANTS; S-MATRIX; EXCITATION; MODEL; TIME AB Both classical and quantum mechanics (as well as hybrids thereof, i.e., semiclassical approaches) find widespread use in simulating dynamical processes in molecular systems. For large chemical systems, however, which involve potential energy surfaces (PES) of general/arbitrary form, it is usually the case that only classical molecular dynamics (MD) approaches are feasible, and their use is thus ubiquitous nowadays, at least for chemical processes involving dynamics on a single PES (i.e., within a single Born-Oppenheimer electronic state). This paper reviews recent developments in an approach which extends standard classical MD methods to the treatment of electronically non-adiabatic processes, i.e., those that involve transitions between different electronic states. The approach treats nuclear and electronic degrees of freedom (DOF) equivalently (i.e., by classical mechanics, thereby retaining the simplicity of standard MD), and provides "quantization" of the electronic states through a symmetrical quasi-classical (SQC) windowing model. The approach is seen to be capable of treating extreme regimes of strong and weak coupling between the electronic states, as well as accurately describing coherence effects in the electronic DOF (including the de-coherence of such effects caused by coupling to the nuclear DOF). A survey of recent applications is presented to illustrate the performance of the approach. Also described is a newly developed variation on the original SQC model (found universally superior to the original) and a general extension of the SQC model to obtain the full electronic density matrix (at no additional cost/complexity). C1 [Miller, William H.] Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA. Univ Calif Berkeley, Kenneth S Pitzer Ctr Theoret Chem, Berkeley, CA 94720 USA. Lawrence Berkeley Natl Lab, Div Chem Sci, Berkeley, CA 94720 USA. EM MillerWH@berkeley.edu; StephenJCotton47@gmail.com FU National Science Foundation [CHE-1148645]; Office of Science, Office of Basic Energy Sciences, Chemical Sciences, Geosciences, and Biosciences Division, U.S. Department of Energy [DE-AC02-05CH11231]; Office of Science of the U.S. Department of Energy [DE-AC02-05CH11231] FX We thank Professor David Manolopoulos for his source code to perform the energy-domain quantum scattering calculations for the Tully 1 problem shown in Fig. 6, and Professor Joe Subotnik for providing a pre-print of ref. 26 and useful discussions concerning the strong coupling problem treated in Fig. 3. We also thank Professor Nancy Makri for providing the exact path integral result for the 3-state example shown in Fig. 11. This work was supported by the National Science Foundation under Grant No. CHE-1148645 and by the Director, Office of Science, Office of Basic Energy Sciences, Chemical Sciences, Geosciences, and Biosciences Division, U.S. Department of Energy under Contract No. DE-AC02-05CH11231. In addition, this research utilized computation resources provided by the National Energy Research Scientific Computing Center (NERSC), which is supported by the Office of Science of the U.S. Department of Energy under Contract No. DE-AC02-05CH11231. NR 29 TC 0 Z9 0 U1 3 U2 3 PU ROYAL SOC CHEMISTRY PI CAMBRIDGE PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS, ENGLAND SN 1359-6640 EI 1364-5498 J9 FARADAY DISCUSS JI Faraday Discuss. PY 2016 VL 195 BP 9 EP 30 DI 10.1039/c6fd00181e PG 22 WC Chemistry, Physical SC Chemistry GA EI4BE UT WOS:000392437000001 PM 27828549 ER PT J AU Mebel, AM Georgievskii, Y Jasper, AW Klippenstein, SJ AF Mebel, Alexander M. Georgievskii, Yuri Jasper, Ahren W. Klippenstein, Stephen J. TI Pressure-dependent rate constants for PAH growth: formation of indene and its conversion to naphthalene SO FARADAY DISCUSSIONS LA English DT Article ID POLYCYCLIC AROMATIC-HYDROCARBONS; INITIO G3-TYPE/STATISTICAL THEORY; SINGLE-COLLISION CONDITIONS; PHENYL RADICAL REACTION; SOOT FORMATION; AB INITIO/RRKM; FORMATION PATHWAYS; COMBUSTION FLAMES; REACTION DYNAMICS; PREMIXED FLAMES AB Unraveling the mechanisms for growth of polycyclic aromatic hydrocarbons (PAHs) requires accurate temperature-and pressure-dependent rate coefficients for a great variety of feasible pathways. Even the pathways for the formation of the simplest PAHs, indene and naphthalene, are fairly complex. These pathways provide important prototypes for modeling larger PAH growth. In this work we employ the ab initio RRKM theory-based master equation approach to predict the rate constants involved in the formation of indene and its conversion to naphthalene. The reactions eventually leading to indene involve C9Hx (x = 8-11) potential energy surfaces (PESs) and include C6H5 + C3H4 (allene and propyne), C6H6 + C3H3, benzyl + C2H2, C6H5 + C3H6, C6H6 + C3H5 and C6H5 + C3H5. These predictions allow us to make a number of valuable observations on the role of various mechanisms. For instance, we demonstrate that reactions which can significantly contribute to the formation of indene include phenyl + allene and H-assisted isomerization to indene of its major product, 3-phenylpropyne, benzyl + acetylene, and the reactions of the phenyl radical with propene and the allyl radical, both proceeding via the 3-phenylpropene intermediate. 3-Phenylpropene can be activated to a 1-phenylallyl radical, which in turn rapidly decomposes to indene. Next, indene can be converted to benzofulvene or naphthalene under typical combustion conditions, via its activation by H atom abstraction and methyl substitution on the five-membered ring followed by isomerization and decomposition of the resulting 1-methylindenyl radical, C10H9 -> C10H8 + H. Alternatively, the same region of the C10H9 PES can be accessed through the reaction of benzyl with propargyl, C7H7 + C3H3 -> C10H10 -> C10H9 + H, which therefore can also contribute to the formation of benzofulvene or naphthalene. Benzofulvene easily transforms to naphthalene by H-assisted isomerization. An analysis of the effect of pressure on the reaction outcome and relative product yields is given, and modified Arrhenius fits of the rate constants are reported for the majority of the considered reactions. Ultimately, the implementation of such expressions in detailed kinetic models will help quantify the role of these reactions for PAH growth in various environments. C1 [Mebel, Alexander M.] Florida Int Univ, Dept Chem & Biochem, 11200 SW 8th St, Miami, FL 33199 USA. [Georgievskii, Yuri; Klippenstein, Stephen J.] Argonne Natl Lab, Chem Sci & Engn Div, 9700 S Cass Ave, Argonne, IL 60439 USA. [Jasper, Ahren W.] Sandia Natl Labs, Combust Res Facil, Livermore, CA 94551 USA. EM mebela@fiu.edu FU U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences, Division of Chemical Sciences, Geosciences, and Biosciences [DE-FG02-04ER15570, DE-AC02-06CH11357, DE-AC04-94-AL85000]; Air Force Office of Scientific Research (AFOSR) [FA9550-15-1-0011]; ANL FX This material is based on work supported by the U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences, Division of Chemical Sciences, Geosciences, and Biosciences (at FIU under Grant No. DE-FG02-04ER15570, at ANL under Contract No. DE-AC02-06CH11357, and at SNL under Contract No. DE-AC04-94-AL85000). A. M. M. acknowledges partial support from the Air Force Office of Scientific Research (AFOSR) under Grant Number FA9550-15-1-0011 and from ANL during his sabbatical leave in January-May, 2015, and the Instructional & Research Computing Center (IRCC, web: http://ircc..u.edu) at FIU for providing HPC computing resources that have contributed to the research results reported within this paper. NR 60 TC 1 Z9 1 U1 5 U2 5 PU ROYAL SOC CHEMISTRY PI CAMBRIDGE PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS, ENGLAND SN 1359-6640 EI 1364-5498 J9 FARADAY DISCUSS JI Faraday Discuss. PY 2016 VL 195 BP 637 EP 670 DI 10.1039/c6fd00111d PG 34 WC Chemistry, Physical SC Chemistry GA EI4BE UT WOS:000392437000030 PM 27711836 ER PT J AU Wang, DL Domke, J Mao, JF Shi, XY Ricciuto, DM AF Wang, Dali Domke, Jens Mao, Jiafu Shi, Xiaoying Ricciuto, Daniel M. TI A scalable framework for the global offline community land model ensemble simulation SO International Journal of Computational Science and Engineering LA English DT Article DE computational sciences; high-end computing; earth system modelling; performance profiling; scalability ID SYSTEM AB Current earth system models have a large range of uncertainty, owing to differences in the simulation of feedbacks and insufficient information to constrain model parameters. Parameter disturbance experiment provides a straightforward method to quantify the variation (uncertainty) outputs caused by model inputs. Owing to the software complexity and computational intensity of earth system models, a large-scale simulation framework is needed to support ensemble simulation required by parameter disturbance experiment. This paper presents a parallel framework for the community land model ensemble simulation. After a software structure review of the community land model simulation, a single factor parameter disturbance experiment of a reference computational experiment design is used to demonstrate the software design principles, computational characteristics of individual application, parallel ensemble simulation implementation, as well as the weak scalability of this simulation framework on a high-end computer. Finally, the paper discusses some preliminary diagnostic analysis results of the single factor parameter disturbance experiments. The framework design considerations and implementation details described in this paper can be beneficial to many other research programmes involving large scale, legacy modelling system. C1 [Wang, Dali; Mao, Jiafu; Shi, Xiaoying; Ricciuto, Daniel M.] Oak Ridge Natl Lab, Climate Change Sci Inst, Div Environm Sci, POB 2008,MS 6301, Oak Ridge, TN 37831 USA. [Domke, Jens] Oak Ridge Natl Lab, Joint Inst Computat Sci, Oak Ridge, TN 37831 USA. RP Wang, DL (reprint author), Oak Ridge Natl Lab, Climate Change Sci Inst, Div Environm Sci, POB 2008,MS 6301, Oak Ridge, TN 37831 USA. EM wangd@ornl.gov; domkej@ornl.gov; maoj@ornl.gov; shix@ornl.gov; ricciutodm@ornl.gov FU US Department of Energy (DOE), Office of Science, Biological and Environmental Research (BER); Office of Science of the Department of Energy [DE-AC05-00OR22725]; Department of Energy [DE-AC05-00OR22725] FX This research was funded by the US Department of Energy (DOE), Office of Science, Biological and Environmental Research (BER). This research used resources of the Oak Ridge Leadership Computing Facility, located in the National Centre for Computational Sciences at Oak Ridge National Laboratory, which is supported by the Office of Science of the Department of Energy under Contract DE-AC05-00OR22725. Oak Ridge National Laboratory is managed by UT-Battelle LLC for the Department of Energy under contract DE-AC05-00OR22725. NR 13 TC 0 Z9 0 U1 0 U2 0 PU INDERSCIENCE ENTERPRISES LTD PI GENEVA PA WORLD TRADE CENTER BLDG, 29 ROUTE DE PRE-BOIS, CASE POSTALE 856, CH-1215 GENEVA, SWITZERLAND SN 1742-7185 EI 1742-7193 J9 INT J COMPUT SCI ENG JI Int. J. Comput. Sci. Eng. PY 2016 VL 12 IS 1 BP 73 EP 85 PG 13 WC Computer Science, Interdisciplinary Applications SC Computer Science GA EI9NB UT WOS:000392833800009 ER PT S AU Alfs, D Asaturyan, A Carmignotto, M Diermaier, M Eyrich, W Glowacz, B Grzonka, D Hauenstein, F Horn, T Kilian, K Malbrunot-Ettenauer, S Mkrtchyan, A Mkrtchyan, H Moskal, P Nadel-Turonski, P Oelert, W Ritman, J Sefzick, T Tadevosyan, V Widmann, E Wolke, M Zhamkochyan, S Zielinski, M Zink, A Zmeskal, J AF Alfs, D. Asaturyan, A. Carmignotto, M. Diermaier, M. Eyrich, W. Glowacz, B. Grzonka, D. Hauenstein, F. Horn, T. Kilian, K. Malbrunot-Ettenauer, S. Mkrtchyan, A. Mkrtchyan, H. Moskal, P. Nadel-Turonski, P. Oelert, W. Ritman, J. Sefzick, T. Tadevosyan, V. Widmann, E. Wolke, M. Zhamkochyan, S. Zielinski, M. Zink, A. Zmeskal, J. BE Wronska, A Magiera, A Guaraldo, C Stroher, H TI Status of the analysis for the search of polarization in the antiproton production process SO MESON 2016 - 14TH INTERNATIONAL WORKSHOP ON MESON PRODUCTION, PROPERTIES AND INTERACTION SE EPJ Web of Conferences LA English DT Proceedings Paper CT 14th International Workshop on Meson Production, Properties and Interaction (MESON) CY JUN 02-07, 2016 CL Krakow, POLAND SP Jagiellonian Univ, Forschungszentrum Julich GmbH, INFN Frascati, Inst Nucl Phys, Polish Acad Sci, Marian Smoluchowski Cracow Sci Consortium, Municipal Cracow, CAEN, ISEG, Wiener, Nowoczesna Elektronika, European Phys Journal AB The P-349 experiment aims to test whether for antiprotons the production process itself can be a source of polarization in view of the preparation of a polarized antiproton beam. In this article we present the details of performed measurements and report on the status of the ongoing analysis. C1 [Alfs, D.; Glowacz, B.; Moskal, P.; Zielinski, M.] Jagiellonian Univ, M Smoluchowski Inst Phys, Krakow, Poland. [Asaturyan, A.; Mkrtchyan, A.; Mkrtchyan, H.; Tadevosyan, V.; Zhamkochyan, S.] AI Alikhanyan Sci Lab, Yerevan, Armenia. [Carmignotto, M.; Horn, T.] Catholic Univ Amer, Dept Phys, Washington, DC 20064 USA. [Diermaier, M.; Widmann, E.; Zmeskal, J.] Stefan Meyer Inst Subatomare Phys, Vienna, Austria. [Eyrich, W.] Univ Erlangen Nurnberg, Erlangen, Germany. [Grzonka, D.; Hauenstein, F.; Kilian, K.; Ritman, J.; Sefzick, T.] Forschungszentrum Julich, Inst Kernphys, Julich, Germany. [Malbrunot-Ettenauer, S.] CERN, Dept Phys, Geneva, Switzerland. [Nadel-Turonski, P.] Thomas Jefferson Natl Accelerator Facil, Newport News, VA USA. [Oelert, W.] Johannes Gutenberg Univ Mainz, Mainz, Germany. [Wolke, M.] Uppsala Univ, Dept Phys & Astron, Uppsala, Sweden. [Zink, A.] Erlangen Ctr Astroparticle Phys ECAP, Erlangen, Germany. EM dominika.alfs@uj.edu.pl RI Moskal, Pawel/S-9151-2016 OI Moskal, Pawel/0000-0002-4229-3548 FU Polish Ministry of Science and Higher Education; DAAD from resources of Bundesministerium fur Bildung und Forschung (BMBF); Marian Smoluchowski Krakow Research Consortium FX This work was supported by the Polish Ministry of Science and Higher Education and by DAAD from resources of Bundesministerium fur Bildund Forschung (BMBF) and Marian Smoluchowski Krakow Research Consortium "Matter-Energy-Future" (KNOW). NR 6 TC 0 Z9 0 U1 0 U2 0 PU E D P SCIENCES PI CEDEX A PA 17 AVE DU HOGGAR PARC D ACTIVITES COUTABOEUF BP 112, F-91944 CEDEX A, FRANCE SN 2100-014X J9 EPJ WEB CONF PY 2016 VL 130 AR UNSP 07002 DI 10.1051/epjconf/201613007002 PG 3 WC Physics, Nuclear; Physics, Particles & Fields SC Physics GA BG8IY UT WOS:000392336700084 ER PT S AU Jackura, A Mikhasenko, M Szczepaniak, A AF Jackura, Andrew Mikhasenko, Mikhail Szczepaniak, Adam CA JPAC Collaboration BE Wronska, A Magiera, A Guaraldo, C Stroher, H TI Amplitude analysis of resonant production in three pions SO MESON 2016 - 14TH INTERNATIONAL WORKSHOP ON MESON PRODUCTION, PROPERTIES AND INTERACTION SE EPJ Web of Conferences LA English DT Proceedings Paper CT 14th International Workshop on Meson Production, Properties and Interaction (MESON) CY JUN 02-07, 2016 CL Krakow, POLAND SP Jagiellonian Univ, Forschungszentrum Julich GmbH, INFN Frascati, Inst Nucl Phys, Polish Acad Sci, Marian Smoluchowski Cracow Sci Consortium, Municipal Cracow, CAEN, ISEG, Wiener, Nowoczesna Elektronika, European Phys Journal ID DIFFRACTIVE PRODUCTION AB We present some results on the analysis of three pion resonances. The analyses are motivated by the recent release of the largest data set on diffractively produced three pions by the COMPASS collaboration. We construct reaction amplitudes that satisfy fundamental S -matrix principles, which allows the use of models that have physical constraints to be used in fitting data. The models are motivated by the isobar model that satisfy unitarity constraints. The model consist of a Deck production amplitude with which final state interactions are constrained by unitarity. We employ the isobar model where two of the pions form a quasi-stable particle. The analysis is performed in the high-energy, single Regge limit. We specifically discuss the examples of the three pion J(PC) = 2(-+) resonance in the rho pi and f(2)pi channels. C1 [Jackura, Andrew; Szczepaniak, Adam] Indiana Univ, Bloomington, IN 47405 USA. [Mikhasenko, Mikhail] Univ Bonn, Helmholtz Inst Strahlen & Kernphys, Bonn, Germany. [Szczepaniak, Adam] Thomas Jefferson Natl Accelerator Facil, Newport News, VA USA. EM ajackura@indiana.edu FU U.S. Department of Energy, Office of Science, Office of Nuclear Physics [DE-AC05-06OR23177]; U.S. Department of Energy [DEFG0287ER40365] FX This work was supported in part by U.S. Department of Energy, Office of Science, Office of Nuclear Physics under contract DE-AC05-06OR23177 and by the U.S. Department of Energy under Grant No. DEFG0287ER40365. NR 4 TC 0 Z9 0 U1 0 U2 0 PU E D P SCIENCES PI CEDEX A PA 17 AVE DU HOGGAR PARC D ACTIVITES COUTABOEUF BP 112, F-91944 CEDEX A, FRANCE SN 2100-014X J9 EPJ WEB CONF PY 2016 VL 130 AR UNSP 05008 DI 10.1051/epjconf/201613005008 PG 4 WC Physics, Nuclear; Physics, Particles & Fields SC Physics GA BG8IY UT WOS:000392336700064 ER PT S AU Palczewski, TJ AF Palczewski, Tomasz Jan CA IceCube Collaboration BE Wronska, A Magiera, A Guaraldo, C Stroher, H TI Constraints on atmospheric charmed-meson production from IceCube SO MESON 2016 - 14TH INTERNATIONAL WORKSHOP ON MESON PRODUCTION, PROPERTIES AND INTERACTION SE EPJ Web of Conferences LA English DT Proceedings Paper CT 14th International Workshop on Meson Production, Properties and Interaction (MESON) CY JUN 02-07, 2016 CL Krakow, POLAND SP Jagiellonian Univ, Forschungszentrum Julich GmbH, INFN Frascati, Inst Nucl Phys, Polish Acad Sci, Marian Smoluchowski Cracow Sci Consortium, Municipal Cracow, CAEN, ISEG, Wiener, Nowoczesna Elektronika, European Phys Journal ID NEUTRINOS; MUON AB At very-high energies (100 TeV - 1 PeV), the small value of Bjorken-x (<= 10(-3) - 10(-7)) at which the parton distribution functions are evaluated makes the calculation of charm quark production very difficult. The charm quark has mass (similar to 1.5 +/- 0.2 GeV) significantly above the Lambda(QCD) scale (similar to 200 MeV), and therefore its production is perturbatively calculable. However, the uncertainty in the data and the calculations cannot exclude some smaller non-perturbative contribution. To evaluate the prompt neutrino flux, one needs to know the charm production cross-section in pN -> cc X, and hadronization of charm particles. This contribution briefly discusses computation of prompt neutrino flux and presents the strongest limit on prompt neutrino flux from IceCube. C1 [Palczewski, Tomasz Jan] Univ Calif Berkeley, Berkeley, CA 94720 USA. [Palczewski, Tomasz Jan] Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA. EM tpalczewski@lbl.gov NR 33 TC 0 Z9 0 U1 1 U2 1 PU E D P SCIENCES PI CEDEX A PA 17 AVE DU HOGGAR PARC D ACTIVITES COUTABOEUF BP 112, F-91944 CEDEX A, FRANCE SN 2100-014X J9 EPJ WEB CONF PY 2016 VL 130 AR UNSP 05015 DI 10.1051/epjconf/201613005015 PG 5 WC Physics, Nuclear; Physics, Particles & Fields SC Physics GA BG8IY UT WOS:000392336700071 ER PT J AU Johnson, T Kang, DZ Barnard, E Li, HY AF Johnson, Tremylla Kang, Dezhi Barnard, Emma Li, Huiying TI Strain-Level Differences in Porphyrin Production and Regulation in Propionibacterium acnes Elucidate Disease Associations SO MSPHERE LA English DT Article DE porphyrin; vitamin B-12; Propionibacterium acnes; strain; acne; 5-aminolevulinic; acid; levulinic acid ID TRANSCRIPTIONAL REGULATOR; BENZOYL PEROXIDE; HUMAN SKIN; IN-VIVO; VULGARIS; SEQUENCE; ACID; BIOSYNTHESIS; INHIBITION; EXPRESSION C1 [Johnson, Tremylla; Kang, Dezhi; Barnard, Emma; Li, Huiying] Univ Calif Los Angeles, David Geffen Sch Med, Dept Mol & Med Pharmacol, Crump Inst Mol Imaging, Los Angeles, CA 90095 USA. [Li, Huiying] UCLA DOE Inst Genom & Prote, Los Angeles, CA 90095 USA. EM huiying@mednet.ucla.edu FU HHS \ NIH \ National Institute of General Medical Sciences (NIGMS) [R01GM099530] FX HHS vertical bar NIH vertical bar National Institute of General Medical Sciences (NIGMS) provided funding to Huiying Li under grant number R01GM099530. NR 51 TC 2 Z9 2 U1 0 U2 0 PU AMER SOC MICROBIOLOGY PI WASHINGTON PA 1752 N ST NW, WASHINGTON, DC 20036-2904 USA SN 2379-5042 J9 MSPHERE JI mSphere PD JAN-FEB PY 2016 VL 1 IS 1 AR e00023-15 DI 10.1128/mSphere.00023-15 PG 12 WC Microbiology SC Microbiology GA EI6CX UT WOS:000392583700015 ER PT S AU Clark, RM AF Clark, Roderick M. BE Rudolph, D TI Decay studies of heavy and superheavy nuclei SO NOBEL SYMPOSIUM NS 160 - CHEMISTRY AND PHYSICS OF HEAVY AND SUPERHEAVY ELEMENTS SE EPJ Web of Conferences LA English DT Proceedings Paper CT Nobel Symposium (NS 160) on Chemistry and Physics of Heavy and Superheavy Elements CY MAY 29-JUN 03, 2016 CL Kristianstad, SWEDEN ID QUASI-PARTICLE STATES; HEAVIEST NUCLEI; SPECTROSCOPY; ELEMENTS; FISSION AB In this contribution I discuss recent results on the decay of excited states, via electromagnetic transitions (gamma-ray and conversion electrons), alpha decay, and fission, and discuss what these studies reveal in terms of the stability of the heaviest elements. C1 [Clark, Roderick M.] Lawrence Berkeley Natl Lab, Div Nucl Sci, Berkeley, CA 94720 USA. EM rmclark@lbl.gov FU U.S. Department of Energy, Office of Science, Office of Nuclear Physics [DE-AC02-05CH11231] FX This work was supported in part by the U.S. Department of Energy, Office of Science, Office of Nuclear Physics, under Contract No. DE-AC02-05CH11231 (LBNL). NR 27 TC 0 Z9 0 U1 0 U2 0 PU E D P SCIENCES PI CEDEX A PA 17 AVE DU HOGGAR PARC D ACTIVITES COUTABOEUF BP 112, F-91944 CEDEX A, FRANCE SN 2100-014X BN 978-2-7598-9011-8 J9 EPJ WEB CONF PY 2016 VL 131 AR 02002 DI 10.1051/epjconf/201613102002 PG 7 WC Chemistry, Inorganic & Nuclear; Physics, Nuclear SC Chemistry; Physics GA BG8IP UT WOS:000392327500004 ER PT S AU Gates, JM AF Gates, Jacklyn M. BE Rudolph, D TI Prospects of A and Z identification experiments at LBNL SO NOBEL SYMPOSIUM NS 160 - CHEMISTRY AND PHYSICS OF HEAVY AND SUPERHEAVY ELEMENTS SE EPJ Web of Conferences LA English DT Proceedings Paper CT Nobel Symposium (NS 160) on Chemistry and Physics of Heavy and Superheavy Elements CY MAY 29-JUN 03, 2016 CL Kristianstad, SWEDEN ID FACILITY; SHIPTRAP AB The identification of six new elements within the last 15 years and with proton numbers, Z = 113-118 has transformed the heavy element field. However, one key piece of information on these nuclei remains unmeasured: their proton and mass numbers, A. At Lawrence Berkeley National Laboratory, the heavy element group has undertaken a program to study these new elements to perform experiments aimed at measuring the Z and A. Here, an overview of recent experiments aimed towards identifying the Z of SHE, and the prospects for Z and A identification experiments at LBNL are presented. C1 [Gates, Jacklyn M.] Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA. EM jmgates@lbl.gov NR 23 TC 0 Z9 0 U1 0 U2 0 PU E D P SCIENCES PI CEDEX A PA 17 AVE DU HOGGAR PARC D ACTIVITES COUTABOEUF BP 112, F-91944 CEDEX A, FRANCE SN 2100-014X BN 978-2-7598-9011-8 J9 EPJ WEB CONF PY 2016 VL 131 AR 08003 DI 10.1051/epjconf/201613108003 PG 6 WC Chemistry, Inorganic & Nuclear; Physics, Nuclear SC Chemistry; Physics GA BG8IP UT WOS:000392327500035 ER PT S AU Gregorich, K AF Gregorich, Kenneth BE Rudolph, D TI How good are superheavy element Z and A assignments? SO NOBEL SYMPOSIUM NS 160 - CHEMISTRY AND PHYSICS OF HEAVY AND SUPERHEAVY ELEMENTS SE EPJ Web of Conferences LA English DT Proceedings Paper CT Nobel Symposium (NS 160) on Chemistry and Physics of Heavy and Superheavy Elements CY MAY 29-JUN 03, 2016 CL Kristianstad, SWEDEN ID HEAVIEST NUCLEI; DECAY CHAINS; ALPHA-DECAY; IDENTIFICATION AB Proton number, Z, and mass number, A, assignments for newly discovered heavy element nuclides have historically been made by observing a decay to a daughter with well-established Z and A, and then observing the well-know decay of that daughter. For all of the new superheavy element isotopes observed in Ca-4 irradiations of actinide targets, this correlation technique has not been possible, because the alpha-decay chains end in spontaneous fission of previously unknown isotopes. Consequently, Z and A assignments have been made by less-direct means. The superheavy element Z and A assignment methods are summarized, and possibilities for how they may be incorrect are explored. While it is highly likely that most of the superheavy element Z and A assignments are correct, there is a real need for a direct proof. C1 [Gregorich, Kenneth] Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA. EM kegregorich@lbl.gov FU Office of High Energy and Nuclear Physics, Nuclear Physics Division, Office of Basic Energy Sciences, of the U.S. Department of Energy [DE-AC02-05CH11231] FX Financial support was provided Office of High Energy and Nuclear Physics, Nuclear Physics Division, Office of Basic Energy Sciences, of the U.S. Department of Energy under contract DE-AC02-05CH11231. NR 24 TC 0 Z9 0 U1 0 U2 0 PU E D P SCIENCES PI CEDEX A PA 17 AVE DU HOGGAR PARC D ACTIVITES COUTABOEUF BP 112, F-91944 CEDEX A, FRANCE SN 2100-014X BN 978-2-7598-9011-8 J9 EPJ WEB CONF PY 2016 VL 131 AR 06002 DI 10.1051/epjconf/201613106002 PG 10 WC Chemistry, Inorganic & Nuclear; Physics, Nuclear SC Chemistry; Physics GA BG8IP UT WOS:000392327500022 ER PT S AU Lopez-Martens, A Henning, G Khoo, TL Seweryniak, D Alcorta, M Asai, M Back, BB Bertone, P Boilley, D Carpenter, MP Chiara, CJ Chowdhury, P Gall, B Greenlees, PT Gurdal, G Hauschild, K Heinz, A Hoffman, CR Janssens, RVF Karpov, AV Kay, BP Kondev, FG Lakshmi, S Lauristen, T Lister, CJ McCutchan, EA Nair, C Piot, J Potterveld, D Reiter, P Rowley, N Rogers, AM Zhu, S AF Lopez-Martens, A. Henning, G. Khoo, T. L. Seweryniak, D. Alcorta, M. Asai, M. Back, B. B. Bertone, P. Boilley, D. Carpenter, M. P. Chiara, C. J. Chowdhury, P. Gall, B. Greenlees, P. T. Gurdal, G. Hauschild, K. Heinz, A. Hoffman, C. R. Janssens, R. V. F. Karpov, A. V. Kay, B. P. Kondev, F. G. Lakshmi, S. Lauristen, T. Lister, C. J. McCutchan, E. A. Nair, C. Piot, J. Potterveld, D. Reiter, P. Rowley, N. Rogers, A. M. Zhu, S. BE Rudolph, D TI Stability and synthesis of superheavy elements: Fighting the battle against fission - example of No-254 SO NOBEL SYMPOSIUM NS 160 - CHEMISTRY AND PHYSICS OF HEAVY AND SUPERHEAVY ELEMENTS SE EPJ Web of Conferences LA English DT Proceedings Paper CT Nobel Symposium (NS 160) on Chemistry and Physics of Heavy and Superheavy Elements CY MAY 29-JUN 03, 2016 CL Kristianstad, SWEDEN ID IN-BEAM; NUCLEI; BARRIERS; ISOMERS; STATES; BAND AB Superheavy nuclei exist solely due to quantum shell effects, which create a pocket in the potential-energy surface of the nucleus, thus providing a barrier against spontaneous fission. Determining the height of the fission barrier and its angular-momentum dependence is important to quantify the role that microscopic shell corrections play in enhancing and extending the limits of nuclear stability. In this talk, the first measurement of a fission barrier in the very heavy nucleus No-254 will be presented. C1 [Lopez-Martens, A.; Henning, G.; Hauschild, K.] CNRS, IN2P3, CSNSM, Paris, France. [Lopez-Martens, A.; Henning, G.; Hauschild, K.; Rowley, N.] Univ Paris Sud, Paris, France. [Henning, G.; Khoo, T. L.; Seweryniak, D.; Alcorta, M.; Back, B. B.; Bertone, P.; Carpenter, M. P.; Chiara, C. J.; Hoffman, C. R.; Janssens, R. V. F.; Kay, B. P.; Kondev, F. G.; Lauristen, T.; McCutchan, E. A.; Nair, C.; Potterveld, D.; Rogers, A. M.; Zhu, S.] Argonne Natl Lab, Argonne, IL 60439 USA. [Asai, M.] Japan Atom Energy Agcy, Tokai, Ibaraki, Japan. [Boilley, D.] CEA, GANIL, Paris, France. [Boilley, D.] CNRS, IN2P3, Paris, France. [Boilley, D.] Normandie Univ, Caen, France. [Chiara, C. J.] Univ Maryland, College Pk, MD 20742 USA. [Chowdhury, P.; Gurdal, G.; Lakshmi, S.; Lister, C. J.] Univ Massachusetts, Lowell, MA USA. [Gall, B.; Piot, J.] CNRS, IN2P3, IPHC, Paris, France. [Gall, B.; Piot, J.] Univ Louis Pasteur, Strasbourg, France. [Greenlees, P. T.] Univ Jyvaskyla, Jyvaskyla, Finland. [Heinz, A.] Chalmers Tekn Hgsk, Gothenburg, Sweden. [Karpov, A. V.] JINR, Flerov Lab Nucl React, Dubna, Russia. [Reiter, P.] Univ Cologne, Cologne, Germany. [Rowley, N.] CNRS, IN2P3, IPN Orsay, Orsay, France. [Henning, G.] IPHC, Strasbourg, France. [Piot, J.] GANIL, Caen, France. EM araceli.lopez-martens@csnsm.in2p3.fr NR 31 TC 0 Z9 0 U1 1 U2 1 PU E D P SCIENCES PI CEDEX A PA 17 AVE DU HOGGAR PARC D ACTIVITES COUTABOEUF BP 112, F-91944 CEDEX A, FRANCE SN 2100-014X BN 978-2-7598-9011-8 J9 EPJ WEB CONF PY 2016 VL 131 AR 03001 DI 10.1051/epjconf/201613103001 PG 6 WC Chemistry, Inorganic & Nuclear; Physics, Nuclear SC Chemistry; Physics GA BG8IP UT WOS:000392327500008 ER PT S AU Rykaczewski, KP Roberto, JB Brewer, NT Utyonkov, VK AF Rykaczewski, Krzysztof P. Roberto, James B. Brewer, Nathan T. Utyonkov, Vladimir K. BE Rudolph, D TI ORNL actinide materials and a new detection system for superheavy nuclei SO NOBEL SYMPOSIUM NS 160 - CHEMISTRY AND PHYSICS OF HEAVY AND SUPERHEAVY ELEMENTS SE EPJ Web of Conferences LA English DT Proceedings Paper CT Nobel Symposium (NS 160) on Chemistry and Physics of Heavy and Superheavy Elements CY MAY 29-JUN 03, 2016 CL Kristianstad, SWEDEN ID ELEMENTS AB The actinide resources and production capabilities at Oak Ridge National Laboratory (ORNL) are reviewed, including potential electromagnetic separation of rare radioactive materials. The first experiments at the Dubna Gas Filled Recoil Separator (DGFRS) with a new digital detection system developed at ORNL and University of Tennessee Knoxville (UTK) are presented. These studies used (240)pu material provided by ORNL and mixed-Cf targets made at ORNL. The proposal to use an enriched Cf-251 target and a large dose of Fe-58 beam to reach the N = 184 shell closure and to observe new elements with Z = 124, 122 and 120 is discussed. C1 [Rykaczewski, Krzysztof P.; Roberto, James B.; Brewer, Nathan T.] Oak Ridge Natl Lab, Div Phys, Oak Ridge, TN 37831 USA. [Brewer, Nathan T.] Univ Tennessee, Dept Phys & Astron, Knoxville, TN 37996 USA. [Utyonkov, Vladimir K.] Joint Inst Nucl Res, RU-141980 Dubna, Russia. EM rykaczewskik@ornl.gov FU U.S. Department of Energy (DOE); Office of Science, Office of Nuclear Physics, Isotope Development and Production for Research and Applications Program [DE-AC05-00OR22725]; UT-Battelle, LLC. FX This research was supported by the U.S. Department of Energy (DOE) Office of Science, Office of Nuclear Physics, Isotope Development and Production for Research and Applications Program, under contract DE-AC05-00OR22725 with UT-Battelle, LLC. We are grateful to the ORNL Radiochemical Engineering Development Center and High Flux Isotope Reactor, a DOE Office of Science, Basic Energy Sciences User Facility, for their support in the production and chemical separation of the actinide materials. We also thank our many collaborators at the Flerov Laboratory of Nuclear Reactions (JINR, Dubna, Russia), Lawrence Livermore National Laboratory, Vanderbilt University, and the University of Tennessee-Knoxville, without whom this research would not have been possible. NR 7 TC 0 Z9 0 U1 4 U2 4 PU E D P SCIENCES PI CEDEX A PA 17 AVE DU HOGGAR PARC D ACTIVITES COUTABOEUF BP 112, F-91944 CEDEX A, FRANCE SN 2100-014X BN 978-2-7598-9011-8 J9 EPJ WEB CONF PY 2016 VL 131 AR 05005 DI 10.1051/epjconf/201613105005 PG 5 WC Chemistry, Inorganic & Nuclear; Physics, Nuclear SC Chemistry; Physics GA BG8IP UT WOS:000392327500020 ER PT S AU Utyonkov, V Oganessian, Y Dmitriev, S Itkis, M Moody, K Stoyer, M Shaughnessy, D Roberto, J Rykaczewski, K Hamilton, J AF Utyonkov, Vladimir Oganessian, Yuri Dmitriev, Sergey Itkis, Mikhail Moody, Kenton Stoyer, Mark Shaughnessy, Dawn Roberto, James Rykaczewski, Krzysztof Hamilton, Joseph BE Rudolph, D TI The discovery of elements 113 to 118 SO NOBEL SYMPOSIUM NS 160 - CHEMISTRY AND PHYSICS OF HEAVY AND SUPERHEAVY ELEMENTS SE EPJ Web of Conferences LA English DT Proceedings Paper CT Nobel Symposium (NS 160) on Chemistry and Physics of Heavy and Superheavy Elements CY MAY 29-JUN 03, 2016 CL Kristianstad, SWEDEN ID CA-48-INDUCED REACTIONS; NUCLEAR PROPERTIES AB Discovery and investigation of the "Island of stability" of superheavy nuclei at the separator DGFRS in the U-238-Cf-249+Ca-48 reactions is reviewed. The results are compared with the data obtained in chemistry experiments and at the separators SHIP, BGS, TASCA, and GARIS. The synthesis of the heaviest nuclei, their decay properties, and methods of identification are discussed and compared with the criteria that must be satisfied for claiming the discovery of a new chemical element. The role of shell effects in the stability of superheavy nuclei is demonstrated by comparison of the experimental results with empirical systematics and theoretical data. C1 [Utyonkov, Vladimir; Oganessian, Yuri; Dmitriev, Sergey; Itkis, Mikhail] Joint Inst Nucl Res, Flerov Lab Nucl React, Dubna 141980, Russia. [Moody, Kenton; Stoyer, Mark; Shaughnessy, Dawn] Lawrence Livermore Natl Lab, Nucl & Chem Sci Div, Livermore, CA 94551 USA. [Roberto, James] Oak Ridge Natl Lab, Sci & Technol Partnerships Directorate, Oak Ridge, TN 37831 USA. [Rykaczewski, Krzysztof] Oak Ridge Natl Lab, Div Phys, Oak Ridge, TN 37831 USA. [Hamilton, Joseph] Vanderbilt Univ, Dept Phys & Astron, Nashville, TN 37235 USA. Univ Tennessee, Dept Phys & Astron, Knoxville, TN 37996 USA. Res Inst Atom Reactors, Dimitrovgrad 433510, Russia. EM utyonkov@jinr.ru FU Russian Foundation for Basic Research [13-02-12052, 13-03-12205, 16-52-55002]; U.S. DOE Office of Nuclear Physics under DOE [DE-AC05-00OR22725]; UT-Battelle, LLC; LDRD Program under DOE [08-ERD-030, DE-AC52-07NA27344]; Lawrence Livermore National Security, LLC; U.S. Department of Energy [DE-FG-05-88ER40407] FX We acknowledge the support by the Russian Foundation for Basic Research, including recent Grants Nos. 13-02-12052, 13-03-12205, and 16-52-55002. Research at ORNL was supported by the U.S. DOE Office of Nuclear Physics under DOE Contract No. DE-AC05-00OR22725 with UT-Battelle, LLC. Research at LLNL was supported by LDRD Program Project No. 08-ERD-030, under DOE Contract No. DE-AC52-07NA27344 with Lawrence Livermore National Security, LLC. This work was also supported by the U.S. Department of Energy through Grant No. DE-FG-05-88ER40407 (Vanderbilt University). Most of the actinide target materials used in the DGFRS experiments were made at ORNL and provided through the DOE Isotope Program and at RIAR. NR 18 TC 0 Z9 0 U1 1 U2 1 PU E D P SCIENCES PI CEDEX A PA 17 AVE DU HOGGAR PARC D ACTIVITES COUTABOEUF BP 112, F-91944 CEDEX A, FRANCE SN 2100-014X BN 978-2-7598-9011-8 J9 EPJ WEB CONF PY 2016 VL 131 AR 06003 DI 10.1051/epjconf/201613106003 PG 10 WC Chemistry, Inorganic & Nuclear; Physics, Nuclear SC Chemistry; Physics GA BG8IP UT WOS:000392327500023 ER PT S AU Kariya, T Imai, T Minami, R Tsumura, K Ebashi, Y Idei, H Hanada, K Ono, M Komurasaki, K Numakura, T Endo, Y Nakashima, Y AF Kariya, T. Imai, T. Minami, R. Tsumura, K. Ebashi, Y. Idei, H. Hanada, K. Ono, M. Komurasaki, K. Numakura, T. Endo, Y. Nakashima, Y. BE Arakcheev, A Sudnikov, A TI Development of 28/35 GHz Dual-frequency Gyrotron for ECH Study SO OPEN MAGNETIC SYSTEMS FOR PLASMA CONFINEMENT (OS2016) SE AIP Conference Proceedings LA English DT Proceedings Paper CT 11th International Conference on Open Magnetic Systems for Plasma Confinement (Open Systems) CY AUG 08-12, 2016 CL Budker Inst Nucl Phys, Akademgorodok, RUSSIA SP Fed Agcy Sci Org Russia, Russian Fdn Basic Res HO Budker Inst Nucl Phys ID PLASMA AB The high power and long pulse operation of the gyrotron as well as efficient transmission of its output are quite important for achieving improved plasma performances. A 28 GHz 1 MW gyrotron developed for GAMMA 10/PDX achieved an output power of 1.38 MW in 2015 experiment after the power supply was improved. Furthermore, a new 28/35 GHz dual-frequency gyrotron (2 MW 3 s and 0.4 MW CW) for QUEST, NSTX-U, Heliotron J and GAMMA 10/PDX has been fabricated, after the preliminary test of a double-disk sapphire window installed in the gyrotron was performed. In the first experimental test, the oscillation of the main mode was confirmed at a frequency of 28.036 GHz with a Gaussian-like beam and an output power of 1.22 MW. C1 [Kariya, T.; Imai, T.; Minami, R.; Tsumura, K.; Ebashi, Y.; Numakura, T.; Endo, Y.; Nakashima, Y.] Univ Tsukuba, PRC, Tsukuba, Ibaraki 3058577, Japan. [Idei, H.; Hanada, K.] Kyushu Univ, Res Inst Appl Mech, Fukuoka 8168580, Japan. [Ono, M.] Princeton Univ, Plasma Phys Lab, POB 451, Princeton, NJ 08543 USA. [Komurasaki, K.] Univ Tokyo, Dept Adv Energy, Kashiwa, Chiba 2778561, Japan. EM kariya@prc.tsukuba.ac.jp RI Kyushu, RIAM/F-4018-2015; OI komurasaki, kimiya/0000-0003-1695-3255 FU NIFS [NIFS11KUGM050, COD27077]; Ministry of Education, Culture, Sports, Science and Technology of Japan [26249141, 15H05770A] FX The authors would like to thank T. Eguchi, Y. Kawakami and Y. Mitsunaka of Toshiba Electron Tubes and Devices Co., Ltd (TETD) for help to gyrotron development. This work was partially supported by the NIFS Collaborative program (NIFS11KUGM050 and COD27077) and Grants-in-Aid for Scientific Research from the Ministry of Education, Culture, Sports, Science and Technology of Japan (26249141 and 15H05770A). NR 16 TC 0 Z9 0 U1 2 U2 2 PU AMER INST PHYSICS PI MELVILLE PA 2 HUNTINGTON QUADRANGLE, STE 1NO1, MELVILLE, NY 11747-4501 USA SN 0094-243X BN 978-0-7354-1429-7 J9 AIP CONF PROC PY 2016 VL 1771 AR 030020 DI 10.1063/1.4964176 PG 5 WC Physics, Applied; Physics, Fluids & Plasmas SC Physics GA BG8RX UT WOS:000392692100023 ER PT J AU Allen, MS Lacayo, RM Brake, MR AF Allen, M. S. Lacayo, R. M. Brake, M. R. BE Sas, P Moens, D VanDeWalle, A TI Quasi-static Modal Analysis based on Implicit Condensation for Structures with Nonlinear Joints SO PROCEEDINGS OF ISMA2016 INTERNATIONAL CONFERENCE ON NOISE AND VIBRATION ENGINEERING AND USD2016 INTERNATIONAL CONFERENCE ON UNCERTAINTY IN STRUCTURAL DYNAMICS LA English DT Proceedings Paper CT International Conference on Noise and Vibration Engineering (ISMA) / International Conference on Uncertainty in Structural Dynamics (USD) CY SEP 19-21, 2016 CL Leuven, BELGIUM SP KU Leuven, Dept Mech Engn ID SYSTEMS; MODEL; BEAM AB Significant insight can be gained into the dynamics of a structure with bolted interfaces by observing the change in the effective modal natural frequency and damping of each mode of the structure as excitation amplitude increases. Unfortunately, current methods for estimating these parameters require that the model be integrated through several dynamic transient simulations at considerable computational expense. Festjens, Chevallier and Dion [Int. J. Mech. Sci. 75:170-177, 2013] recently proposed an alternative based on quasi-static analysis. This work builds on theirs, presenting an alternate derivation and alternative means of extracting the frequency and damping. The utility of the approach is then explored by using it to estimate the modal frequency and damping of two structures where bolted interfaces are modeled using discrete Iwan joints. The cases studied show that the methodology is highly effective in the micro-slip regime and provides several orders of magnitude reduction in the computational cost. C1 [Allen, M. S.; Lacayo, R. M.] Univ Wisconsin, Dept Engn Phys, 1500 Engn Dr,Eng Res Bldg, Madison, WI 53706 USA. [Brake, M. R.] Sandia Natl Labs, POB 5800, Albuquerque, NM 87185 USA. EM msallen@engr.wisc.edu FU Sandia National Laboratories; United States Department of Energy's National Nuclear Security Administration [DE-AC04-94AL85000] FX This work was supported by Sandia National Laboratories. Sandia is a multi-program laboratory operated by Sandia Corporation, a Lockheed Martin Company, for the United States Department of Energy's National Nuclear Security Administration under Contract DE-AC04-94AL85000. The authors wish to thank Randal L. Mayes for his insights and encouragement to pursue this work. NR 21 TC 0 Z9 0 U1 0 U2 0 PU KATHOLIEKE UNIV LEUVEN, DEPT WERKTUIGKUNDE PI HEVERLEE PA CELESTIJNENLAAN 300B, HEVERLEE, B-3001, BELGIUM BN 978-90-73802-94-0 PY 2016 BP 731 EP 745 PG 15 WC Engineering, Industrial; Engineering, Electrical & Electronic; Engineering, Mechanical SC Engineering GA BG8NA UT WOS:000392486301021 ER PT J AU Bajric, A Ozdagli, A Liu, B Vemuganti, S Moreu, F Troyer, K Brake, M Otter, D AF Bajric, A. Ozdagli, A. Liu, B. Vemuganti, S. Moreu, F. Troyer, K. Brake, M. Otter, D. BE Sas, P Moens, D VanDeWalle, A TI Sensing and rating of vehicle - railroad bridge collision SO PROCEEDINGS OF ISMA2016 INTERNATIONAL CONFERENCE ON NOISE AND VIBRATION ENGINEERING AND USD2016 INTERNATIONAL CONFERENCE ON UNCERTAINTY IN STRUCTURAL DYNAMICS LA English DT Proceedings Paper CT International Conference on Noise and Vibration Engineering (ISMA) / International Conference on Uncertainty in Structural Dynamics (USD) CY SEP 19-21, 2016 CL Leuven, BELGIUM SP KU Leuven, Dept Mech Engn AB Overhead collisions of trucks with low-clearance railroad bridges cause more than half of the railroad traffic interruptions in the US. The characterization of damages caused by such events are required to inform about the safety of posterior train crossing. This becomes a problem in remote locations where collisions are not reported and inspections are not performed following the impact. This paper presents a validation of a new impact definition, detection and rating strategy to such impact quantifying the resulting non-linear damages, reducing maintenance cost and preventing bridge closure time. This research informs the sensing prioritization of such collisions based on the collection of the information that best describes the consequences of such collisions to railroad bridges. The development of new sensing and rating strategies of these impact events is based on numerical models informed by railroad owners input about the different types of impacts and consequences to railroad operations. A set of impact load and train crossing models are presented, along with the evaluation of non-linear dynamic responses and damage levels from a representative numerical finite element model of a steel railroad bridge. Different impact scenarios and their effect in the railroad bridge model are simulated. To differentiate the severity of impact incidents, neural networks are assembled by training from simulated data. Furthermore, the training has been performed on variations of: impact events, sensor location, and changes in the bridge structural properties, to validate and characterize impact loads and the rating of the damages more accurately. C1 [Bajric, A.; Vemuganti, S.; Moreu, F.] Tech Univ Denmark, Lyngby, Denmark. [Ozdagli, A.] Univ New Mexico, Albuquerque, NM 87131 USA. [Liu, B.] Inst Disaster Prevent, Qingdao, Peoples R China. [Troyer, K.; Brake, M.] Sandia Natl Labs, Livermore, CA 94550 USA. [Otter, D.] Transportat Technol Ctr, Pueblo, CO USA. EM mrbrake@sandia.gov NR 0 TC 0 Z9 0 U1 0 U2 0 PU KATHOLIEKE UNIV LEUVEN, DEPT WERKTUIGKUNDE PI HEVERLEE PA CELESTIJNENLAAN 300B, HEVERLEE, B-3001, BELGIUM BN 978-90-73802-94-0 PY 2016 BP 2541 EP 2541 PG 1 WC Engineering, Industrial; Engineering, Electrical & Electronic; Engineering, Mechanical SC Engineering GA BG8NA UT WOS:000392486305001 ER PT J AU Dossogne, T Jerome, TW Lancereau, D Smith, SA Pacini, BR Reuss, P AF Dossogne, T. Jerome, T. W. Lancereau, D. Smith, S. A. Pacini, B. R. Reuss, P. BE Sas, P Moens, D VanDeWalle, A TI Experimental assessment of the infuence of interface geometries on structural response SO PROCEEDINGS OF ISMA2016 INTERNATIONAL CONFERENCE ON NOISE AND VIBRATION ENGINEERING AND USD2016 INTERNATIONAL CONFERENCE ON UNCERTAINTY IN STRUCTURAL DYNAMICS LA English DT Proceedings Paper CT International Conference on Noise and Vibration Engineering (ISMA) / International Conference on Uncertainty in Structural Dynamics (USD) CY SEP 19-21, 2016 CL Leuven, BELGIUM SP KU Leuven, Dept Mech Engn AB Jointed interfaces can lead to a great amount of uncertainty in the dynamics of a structural assembly due to poor reassembly repeatability. In practice, jointed connections introduce non-linearity into a system, which is often manifested as amplitude-dependent damping and stiffness. The sensitivity of these nonlinear effects to the boundary conditions at the interface makes the joints highly susceptible to variability at reassembly which can cause serious problems during operation, and make a meaningful prediction of the performance of a system rather difficult. This high degree of uncertainty in a joint structure is partly due to the physical design of the interface which can lead to a very variable normal load distribution. This paper experimentally assesses the influence of the interface geometry on both the nonlinear and uncertain aspects of jointed connections. The considered structure is the Brake-ReuB beam, which possesses a lap joint with three bolted connections. To asses the impact of different contact interface geometries on the nonlinear dynamic response and the repeatability behaviour, five congurations with different contact surfaces are tested: (i) a complete contact over the entire interface, (ii) contact only under the pressure cones of the bolts, (iii) contact under an area twice that of the pressure cones, (iv) contact away from the pressure cones and (v) Hertzian contact at several locations on the interface. Results show that interfaces with larger contact surfaces under areas submitted to relatively lower normal load exhibit both stronger nonlinear behavior and poorer repeatability. C1 [Dossogne, T.; Smith, S. A.; Pacini, B. R.] Univ Liege, B-4000 Liege, Belgium. [Jerome, T. W.] Sandia Natl Labs, Livermore, CA 94550 USA. [Lancereau, D.] Cranfield Univ, Cranfield MK43 0AL, Beds, England. [Reuss, P.] Daimler AG, Stuttgart, Germany. EM sasmit@sandia.gov NR 0 TC 0 Z9 0 U1 0 U2 0 PU KATHOLIEKE UNIV LEUVEN, DEPT WERKTUIGKUNDE PI HEVERLEE PA CELESTIJNENLAAN 300B, HEVERLEE, B-3001, BELGIUM BN 978-90-73802-94-0 PY 2016 BP 2543 EP 2543 PG 1 WC Engineering, Industrial; Engineering, Electrical & Electronic; Engineering, Mechanical SC Engineering GA BG8NA UT WOS:000392486305002 ER PT J AU Lacayo, RM Pesaresi, L Fochler, D Gross, J Brake, M Schwingshackl, C AF Lacayo, R. M. Pesaresi, L. Fochler, D. Gross, J. Brake, M. Schwingshackl, C. BE Sas, P Moens, D VanDeWalle, A TI A numerical round robin to predict the dynamics of an experimentally-measured Brake-Reuss beam SO PROCEEDINGS OF ISMA2016 INTERNATIONAL CONFERENCE ON NOISE AND VIBRATION ENGINEERING AND USD2016 INTERNATIONAL CONFERENCE ON UNCERTAINTY IN STRUCTURAL DYNAMICS LA English DT Proceedings Paper CT International Conference on Noise and Vibration Engineering (ISMA) / International Conference on Uncertainty in Structural Dynamics (USD) CY SEP 19-21, 2016 CL Leuven, BELGIUM SP KU Leuven, Dept Mech Engn AB Motivated by the current demands in high-performance structural analysis, and by a need to better model systems with localized nonlinearities, analysts have developed a number of different approaches for modelling and simulating the dynamics of a bolted-joint structure. However, the types of conditions that make one approach more effective than the others remains poorly understood because it is difficult to compare them based on their mathematical formulations alone. To better grasp their similarities and differences, this paper presents a numerical round robin that assesses how well three different approaches predict and simulate a mechanical joint. These approaches are applied to model the Brake-Reuss beam, a prismatic structure comprised of two beams with a bolted joint interface. The three approaches are validated first by updating the models to reproduce the nonlinear response for one mode in the real beam. Afterwards, the tuned models are evaluated on their ability to predict the nonlinearity in the dynamic response for other modes. The strengths and shortcomings of each modelling technique are then assessed to determine the conditions for their use. C1 [Lacayo, R. M.] Univ Wisconsin Madison, Madison, WI USA. [Pesaresi, L.; Schwingshackl, C.] Imperial Coll London, London, England. [Fochler, D.; Gross, J.] Univ Stuttgard, Stuttgart, Germany. [Brake, M.] Sandia Natl Labs, Livermore, CA 94550 USA. EM mrbrake@sandia.gov NR 0 TC 0 Z9 0 U1 0 U2 0 PU KATHOLIEKE UNIV LEUVEN, DEPT WERKTUIGKUNDE PI HEVERLEE PA CELESTIJNENLAAN 300B, HEVERLEE, B-3001, BELGIUM BN 978-90-73802-94-0 PY 2016 BP 2545 EP 2545 PG 1 WC Engineering, Industrial; Engineering, Electrical & Electronic; Engineering, Mechanical SC Engineering GA BG8NA UT WOS:000392486305003 ER PT J AU Ondra, V Riethmuller, R Brake, M Schwingshackl, C Shaw, S AF Ondra, V. Riethmueller, R. Brake, M. Schwingshackl, C. Shaw, S. BE Sas, P Moens, D VanDeWalle, A TI Comparison of nonlinear system identification methods for free decay measurements with application to MEMS devices SO PROCEEDINGS OF ISMA2016 INTERNATIONAL CONFERENCE ON NOISE AND VIBRATION ENGINEERING AND USD2016 INTERNATIONAL CONFERENCE ON UNCERTAINTY IN STRUCTURAL DYNAMICS LA English DT Proceedings Paper CT International Conference on Noise and Vibration Engineering (ISMA) / International Conference on Uncertainty in Structural Dynamics (USD) CY SEP 19-21, 2016 CL Leuven, BELGIUM SP KU Leuven, Dept Mech Engn AB A number of methods for nonlinear system identification in both time and frequency domain has been developed in the past. These methods have application to many systems, ranging from microscale devices to macroscale systems, sometimes with uncertain results. The aim of this poster is to assess the efficacy of selected methods and understand their range of usability. The methods considered in this study are restoring force surface (RFS), Hilbert transform (HT), zero-crossing (ZC), direct quadrature (DQ) and short-time Fourier transform (SFT) which represent a broad cross-section of approaches. Both experimental data from a micro-electrical-mechanical-system (MEMS) device and a simulated test case are included in the evaluation, allowing a reliable comparison of the different methods. Conclusions about the accuracy of each of the methods are made based on the simulated test case. Furthermore, the investigated MEMS device appears to be asymmetric, therefore a newly developed method for asymmetric systems was applied to the experimental data set. It is being found, that RFS can display the asymmetry of the system and HVD as well as ZCA show similar behavior in the estimation of the elastic forces. C1 [Ondra, V.; Schwingshackl, C.] Imperial Coll London, London, England. [Riethmueller, R.] Univ Stuttgard, Stuttgart, Germany. [Brake, M.] Sandia Natl Labs, Livermore, CA 94550 USA. [Shaw, S.] Florida Inst Technol, Melbourne, FL 32901 USA. EM mrbrake@sandia.gov NR 0 TC 0 Z9 0 U1 0 U2 0 PU KATHOLIEKE UNIV LEUVEN, DEPT WERKTUIGKUNDE PI HEVERLEE PA CELESTIJNENLAAN 300B, HEVERLEE, B-3001, BELGIUM BN 978-90-73802-94-0 PY 2016 BP 2547 EP 2547 PG 1 WC Engineering, Industrial; Engineering, Electrical & Electronic; Engineering, Mechanical SC Engineering GA BG8NA UT WOS:000392486305004 ER PT J AU Wu, L Krattiger, D Zacharczuk, M Buck, M Kuether, R Allen, M Brake, M Tiso, P Reuss, P Salles, L AF Wu, L. Krattiger, D. Zacharczuk, M. Buck, M. Kuether, R. Allen, M. Brake, M. Tiso, P. Reuss, P. Salles, L. BE Sas, P Moens, D VanDeWalle, A TI Evaluation of interface reductions for Craig Bampton substructured models SO PROCEEDINGS OF ISMA2016 INTERNATIONAL CONFERENCE ON NOISE AND VIBRATION ENGINEERING AND USD2016 INTERNATIONAL CONFERENCE ON UNCERTAINTY IN STRUCTURAL DYNAMICS LA English DT Proceedings Paper CT International Conference on Noise and Vibration Engineering (ISMA) / International Conference on Uncertainty in Structural Dynamics (USD) CY SEP 19-21, 2016 CL Leuven, BELGIUM SP KU Leuven, Dept Mech Engn AB The Craig Bampton method represents the interior of each subcomponent in a substructured system with a truncated set of normal modes, but retains all of the physical degrees of freedom at the substructure interfaces. This makes it simple to assemble the substructures into a reduced order system model, but means that the reduced order assembly will have as many interface degrees of freedom as the full model. When the full model mesh is highly refined, this can lead to unacceptably large equations of motion, so interface reduction can be further performed. An established technique for performing interface reduction is based on a secondary eigenvalue analysis of the interface partitions of the assembled stiffness and mass matrices, which corresponds to more natural physical motion at the interface. However, by doing so the advantages of local substructure reduction are lost. More recently, local interface reductions have been developed to perform the secondary reduction before the substructures are assembled into a system. This poster surveys various interface reduction techniques and compares their performance using a simple finite element model consisting of several interconnected plates. This comparison can be used to determine the suitability of each interface reduction for different problems. C1 [Wu, L.] Delft Univ Technol, NL-2600 AA Delft, Netherlands. [Krattiger, D.] Univ Colorado Boulder, Boulder, CO USA. [Zacharczuk, M.; Buck, M.] Univ Stuttgard, Stuttgart, Germany. [Kuether, R.; Brake, M.] Sandia Natl Labs, Livermore, CA 94550 USA. [Allen, M.] Univ Wisconsin Madison, Madison, WI USA. [Tiso, P.] Swiss Fed Inst Technol, Zurich, Switzerland. [Reuss, P.] Daimler AG, Stuttgart, Germany. [Salles, L.] Imperial Coll London, London, England. EM mrbrake@sandia.gov NR 0 TC 0 Z9 0 U1 0 U2 0 PU KATHOLIEKE UNIV LEUVEN, DEPT WERKTUIGKUNDE PI HEVERLEE PA CELESTIJNENLAAN 300B, HEVERLEE, B-3001, BELGIUM BN 978-90-73802-94-0 PY 2016 BP 2549 EP 2549 PG 1 WC Engineering, Industrial; Engineering, Electrical & Electronic; Engineering, Mechanical SC Engineering GA BG8NA UT WOS:000392486305005 ER PT J AU Kuether, R Troyer, K Brake, M AF Kuether, R. Troyer, K. Brake, M. BE Sas, P Moens, D VanDeWalle, A TI Time domain model reduction of linear viscoelastic finite element models SO PROCEEDINGS OF ISMA2016 INTERNATIONAL CONFERENCE ON NOISE AND VIBRATION ENGINEERING AND USD2016 INTERNATIONAL CONFERENCE ON UNCERTAINTY IN STRUCTURAL DYNAMICS LA English DT Proceedings Paper CT International Conference on Noise and Vibration Engineering (ISMA) / International Conference on Uncertainty in Structural Dynamics (USD) CY SEP 19-21, 2016 CL Leuven, BELGIUM SP KU Leuven, Dept Mech Engn ID SYSTEMS AB The aerospace and automotive industries often incorporate linear viscoelastic materials in mechanical systems to passively reduce vibration levels. The complicated geometries of these systems are most commonly analyzed using finite element (FE) methods. However, FE analyses that interrogate arbitrary boundary conditions may be prohibitively expensive since they typically require millions of equations to be solved simultaneously. The present work seeks to mitigate this computational burden by exploring various model reduction techniques of linear viscoelastic FE models (utilizing a Prony series) in the time domain. Specifically, a time domain solution restricts the reduction bases to be real vectors in order to produce real, reduced matrices. Several transformation bases computed from the system-level matrices will be compared using their upfront computational cost and resulting truncation error as metrics. A simple plate model will demonstrate these approaches and give insight into the accuracy and efficiency of our methods. C1 [Kuether, R.; Troyer, K.; Brake, M.] Sandia Natl Labs, POB 5800, Albuquerque, NM 87185 USA. EM rjkueth@sandia.gov FU Sandia National Laboratories; Lockheed Martin Corporation; U.S. Department of Energy's National Nuclear Security Administration [DE-AC04-94AL85000] FX Supported by the Laboratory Directed Research and Development program at Sandia National Laboratories, a multi-program laboratory managed and operated by Sandia Corporation, a wholly owned subsidiary of Lockheed Martin Corporation, for the U.S. Department of Energy's National Nuclear Security Administration under contract DE-AC04-94AL85000. NR 18 TC 0 Z9 0 U1 0 U2 0 PU KATHOLIEKE UNIV LEUVEN, DEPT WERKTUIGKUNDE PI HEVERLEE PA CELESTIJNENLAAN 300B, HEVERLEE, B-3001, BELGIUM BN 978-90-73802-94-0 PY 2016 BP 3547 EP 3561 PG 15 WC Engineering, Industrial; Engineering, Electrical & Electronic; Engineering, Mechanical SC Engineering GA BG8NA UT WOS:000392486307001 ER PT J AU Bonney, M Kammer, D Brake, M AF Bonney, M. Kammer, D. Brake, M. BE Sas, P Moens, D VanDeWalle, A TI Numerical investigation of probability measures utilized in a maximum entropy approach SO PROCEEDINGS OF ISMA2016 INTERNATIONAL CONFERENCE ON NOISE AND VIBRATION ENGINEERING AND USD2016 INTERNATIONAL CONFERENCE ON UNCERTAINTY IN STRUCTURAL DYNAMICS LA English DT Proceedings Paper CT International Conference on Noise and Vibration Engineering (ISMA) / International Conference on Uncertainty in Structural Dynamics (USD) CY SEP 19-21, 2016 CL Leuven, BELGIUM SP KU Leuven, Dept Mech Engn AB The quantification of uncertainty is an important aspect in modern design. One relatively new technique to quantify this uncertainty is the maximum entropy approach. This approach characterizes the physical system in terms of random matrices. The random matrices are generated to have a mean value of the nominal system and the variance is controlled by a single dispersion parameter. The determination of the dispersion parameter is done by creating the maximum likelihood estimate. This estimate requires a numerical probability measure for any real world system since an analytical distribution cannot be determined. This paper investigates the effect of multiple sampling techniques and multiple probability measurements. The investigation is performed on a planar frame truss with uncertainty introduced due to a reduced model using different reduction techniques. This technique is a systematic method that produces repeatable results that can be used in model simulations to produce a stochastic output range that is verified to the desired truth data. C1 [Bonney, M.; Kammer, D.] Univ Wisconsin, Dept Engn Phys, Madison, WI 53706 USA. [Brake, M.] Sandia Natl Labs, POB 5800, Albuquerque, NM 87185 USA. EM msbonney@wisc.edu FU Lockheed Martin Corporation, for the U.S. Department of Energy's National Nuclear Security Administration [DE-AC04-94AL85000] FX Sandia National Laboratories is a multi-program laboratory managed and operated by Sandia Corporation, a wholly owned subsidiary of Lockheed Martin Corporation, for the U.S. Department of Energy's National Nuclear Security Administration under contract DE-AC04-94AL85000. NR 31 TC 0 Z9 0 U1 0 U2 0 PU KATHOLIEKE UNIV LEUVEN, DEPT WERKTUIGKUNDE PI HEVERLEE PA CELESTIJNENLAAN 300B, HEVERLEE, B-3001, BELGIUM BN 978-90-73802-94-0 PY 2016 BP 4307 EP 4319 PG 13 WC Engineering, Industrial; Engineering, Electrical & Electronic; Engineering, Mechanical SC Engineering GA BG8NA UT WOS:000392486307066 ER PT J AU Brink, A Rohe, D Mayes, R Freymiller, J AF Brink, A. Rohe, D. Mayes, R. Freymiller, J. BE Sas, P Moens, D VanDeWalle, A TI The complex mode indicator function for identifying unit to unit variability SO PROCEEDINGS OF ISMA2016 INTERNATIONAL CONFERENCE ON NOISE AND VIBRATION ENGINEERING AND USD2016 INTERNATIONAL CONFERENCE ON UNCERTAINTY IN STRUCTURAL DYNAMICS LA English DT Proceedings Paper CT International Conference on Noise and Vibration Engineering (ISMA) / International Conference on Uncertainty in Structural Dynamics (USD) CY SEP 19-21, 2016 CL Leuven, BELGIUM SP KU Leuven, Dept Mech Engn AB We propose the use of the Primary Complex Mode Indicator Function (PCMIF), calculated from acceleration frequency response functions, as a response comparison metric to analyze unit-to-unit variability. The PCMIF has an advantage over the traditional dynamic representations of mode shapes, frequencies and damping in that it removes the user and algorithmic error that may be associated with those extractions. In addition, it is customizable according to the interest level. If consistent sets of acceleration measurements from chosen drive points can be acquired from multiple hardware units, the comparison of each unit's PCMIF metric can provide insight. In addition to measured PCMIF, finite element models of the system can predict variability in PCMIF response using known variability of hardware configurations, and this can be compared with experimental PCMIF data. This comparison allows meaningful unit-to-unit comparison even if components and/or system geometries differ from one system to the next. C1 [Brink, A.; Rohe, D.; Mayes, R.] Sandia Natl Labs, POB 5800, Albuquerque, NM 87185 USA. [Freymiller, J.] ATA Engn, San Diego, CA USA. EM arbrink@sandia.gov NR 2 TC 0 Z9 0 U1 0 U2 0 PU KATHOLIEKE UNIV LEUVEN, DEPT WERKTUIGKUNDE PI HEVERLEE PA CELESTIJNENLAAN 300B, HEVERLEE, B-3001, BELGIUM BN 978-90-73802-94-0 PY 2016 BP 4321 EP 4329 PG 9 WC Engineering, Industrial; Engineering, Electrical & Electronic; Engineering, Mechanical SC Engineering GA BG8NA UT WOS:000392486307067 ER PT S AU Jeong, Y Barlat, F Tome, C Wen, W AF Jeong, Youngung Barlat, Frederic Tome, Carlos Wen, Wei BE Chinesta, F Cueto, E AbissetChavanne, E TI Validation of Homogeneous Anisotropic Hardening Approach Based on Crystal Plasticity SO PROCEEDINGS OF THE 19TH INTERNATIONAL ESAFORM CONFERENCE ON MATERIAL FORMING (ESAFORM 2016) SE AIP Conference Proceedings LA English DT Proceedings Paper CT 19th International ESAFORM Conference on Material Forming (ESAFORM) CY APR 27-29, 2016 CL Nantes, FRANCE SP ESAFORM, Ecole Cetrale Nantes, Univ Zaragoza ID MODEL AB The current study investigates constitutive models at two different scales: 1) the micromechanical crystal plasticity framework using a dislocation density-based hardening model [1, 2]; 2) macroscale constitutive model based on a yield function that evolves according to the homogeneous anisotropic hardening (HAH) model [3, 4]. The polycrystalline aggregate, tuned for a low-carbon steel, is used to calculate the evolution of the yield surface during monotonic uniaxial tension. The results of the crystal plasticity model are used to train the anisotropic yield function and HAH parameters to demonstrate the flexibility of the macroscale constitutive approach. Through comparison between the two models, an improved rule for the HAH model is suggested. C1 [Jeong, Youngung] NIST, Gaithersburg, MD 20899 USA. [Barlat, Frederic] Pohang Univ Sci & Technol, Pohang, Gyeongbuk, South Korea. [Tome, Carlos; Wen, Wei] Los Alamos Natl Lab, Los Alamos, NM USA. EM youngung.jeong@nist.gov; f.barlat@postech.ac.kr; tome@lanl.gov; wwen@lanl.gov NR 10 TC 0 Z9 0 U1 1 U2 1 PU AMER INST PHYSICS PI MELVILLE PA 2 HUNTINGTON QUADRANGLE, STE 1NO1, MELVILLE, NY 11747-4501 USA SN 0094-243X BN 978-0-7354-1427-3 J9 AIP CONF PROC PY 2016 VL 1769 AR 160001 DI 10.1063/1.4963544 PG 6 WC Materials Science, Multidisciplinary; Physics, Applied SC Materials Science; Physics GA BG8SC UT WOS:000392692600140 ER PT S AU Kong, XL Chen, Y Guo, F AF Kong, Xiangliang Chen, Yao Guo, Fan BE Wang, L Bruno, R Mobius, E Vourlidas, A Zank, G TI The Acceleration of Electrons at a Spherical Coronal Shock in a Streamer-like Coronal Field SO PROCEEDINGS OF THE FOURTEENTH INTERNATIONAL SOLAR WIND CONFERENCE (SOLAR WIND 14) SE AIP Conference Proceedings LA English DT Proceedings Paper CT 14th International Solar Wind Conference (Solar Wind) CY JUN 22-26, 2015 CL Peking Univ, Sch Earth & Space Sci, Weihai, PEOPLES R CHINA SP Shandong Univ, Inst Space Sci, Natl Nat Sci Fdn China, Chinese Acad Sci, Natl Space Sci Ctr, Beihang Univ HO Peking Univ, Sch Earth & Space Sci ID II RADIO-BURST; COLLISIONLESS SHOCKS; DRIVEN SHOCK; DIAGNOSTICS AB We study the effect of large-scale coronal magnetic field on the electron acceleration at a spherical coronal shock using a test-particle method. The coronal field is approximated by an analytical solution with a streamer-like magnetic field featured by partially open magnetic field and a current sheet at the equator atop the closed region. It shows that the closed field plays the role of a trapping agency of shock-accelerated electrons, allowing for repetitive reflection and acceleration, therefore can greatly enhance the shock-electron acceleration efficiency. It is found that, with an ad hoc pitch-angle scattering, electron injected in the open field at the shock flank can be accelerated to high energies as well. In addition, if the shock is faster or stronger, a relatively harder electron energy spectrum and a larger maximum energy can be achieved. C1 [Kong, Xiangliang; Chen, Yao] Shandong Univ, Shandong Prov Key Lab Opt Astron & Solar Terr Env, Weihai 264209, Shandong, Peoples R China. [Kong, Xiangliang; Chen, Yao] Shandong Univ, Inst Space Sci, Weihai 264209, Shandong, Peoples R China. [Guo, Fan] Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA. EM kongx@sdu.edu.cn; yaochen@sdu.edu.cn; guofan.ustc@gmail.com RI Chen, Yao/B-7255-2011; Kong, Xiangliang/D-9855-2012 FU NNSFC [11503014, 41274175, 41331068]; Natural Science Foundation of Shandong Province [ZR2014DQ001] FX This work was supported by grants NNSFC 11503014, 41274175, 41331068, and Natural Science Foundation of Shandong Province ZR2014DQ001. NR 16 TC 0 Z9 0 U1 1 U2 1 PU AMER INST PHYSICS PI MELVILLE PA 2 HUNTINGTON QUADRANGLE, STE 1NO1, MELVILLE, NY 11747-4501 USA SN 0094-243X BN 978-0-7354-1367-2 J9 AIP CONF PROC PY 2016 VL 1720 AR 070003 DI 10.1063/1.4943840 PG 4 WC Geochemistry & Geophysics SC Geochemistry & Geophysics GA BG8RW UT WOS:000392692000039 ER PT S AU Schwadron, NA McComas, DJ Christian, ER Desai, MI Funsten, HO Fuselier, SA Moebius, E Reno, M Scherrer, J Zirnstein, E AF Schwadron, N. A. McComas, D. J. Christian, E. R. Desai, M. I. Funsten, H. O. Fuselier, S. A. Moebius, E. Reno, M. Scherrer, J. Zirnstein, E. CA Entire IBEX Team BE Wang, L Bruno, R Mobius, E Vourlidas, A Zank, G TI Energetic Neutral Atom and Interstellar Flow Observations with IBEX: Implications for the Global Heliosphere SO PROCEEDINGS OF THE FOURTEENTH INTERNATIONAL SOLAR WIND CONFERENCE (SOLAR WIND 14) SE AIP Conference Proceedings LA English DT Proceedings Paper CT 14th International Solar Wind Conference (Solar Wind) CY JUN 22-26, 2015 CL Peking Univ, Sch Earth & Space Sci, Weihai, PEOPLES R CHINA SP Shandong Univ, Inst Space Sci, Natl Nat Sci Fdn China, Chinese Acad Sci, Natl Space Sci Ctr, Beihang Univ HO Peking Univ, Sch Earth & Space Sci ID BOUNDARY-EXPLORER IBEX; 1ST 5 YEARS; TERMINATION SHOCK; LO OBSERVATIONS; FLUX; PARAMETERS; RIBBON; HYDROGEN; IONS; DISTRIBUTIONS AB Since launch in Oct. 2008, IBEX, with its two energetic neutral atom (ENA) cameras, has provided humankind with the first-ever global images of the complex boundary separating the heliosphere from the local interstellar medium (LISM). IBEX's energy-resolved all-sky maps, collected every six months, are yielding remarkable new insights into the heliospheres structure as it is shaped by the combined forces of the local interstellar flow, the local interstellar magnetic field (LISMF), and the evolving solar wind. IBEX has also acquired the first images of ENAs backscattered from the surface of the moon as well as global images of the magnetospheric response to solar wind disturbances. IBEX thus addresses all three Heliophysics science objectives set forth in the 2014 Science Plan for NASAs Science Mission Directorate (SMD) as well as the goals in the recent Solar and Space Physics Decadal Survey (NRC 2012). In addition, with the information it provides on the properties of the LISM and the LISMF, IBEX represents a unique bridge between heliophysics and astrophysics, and fills in critical knowledge for understanding the habitability of exoplanetary systems and the future habitability of Earth and the solar system. Because of the few-year time lag due to solar wind and ENA transport, IBEX observed the solar wind/LISM interaction characteristic of declining phase/solar minimum conditions. In the continuing mission, IBEX captures the response of the interstellar boundaries to the changing structure of the solar wind in its transition toward the "mini" solar maximum and possibly the decline into the next solar minimum. The continuing IBEX mission affords never-to-be-repeated opportunities to coordinate global imaging of the heliospheric boundary with in-situ measurements by the Voyagers as they pass beyond the heliopause and start to directly sample the LISM. C1 [Schwadron, N. A.; Moebius, E.] Univ New Hampshire, Durham, NH 03824 USA. [Schwadron, N. A.; McComas, D. J.; Desai, M. I.; Fuselier, S. A.; Reno, M.; Scherrer, J.; Zirnstein, E.] Southwest Res Inst, San Antonio, TX 78238 USA. [McComas, D. J.; Desai, M. I.; Fuselier, S. A.] Univ Texas San Antonio, San Antonio, TX 78249 USA. [Christian, E. R.] Goddard Space Flight Ctr, Greenbelt, MD 20771 USA. [Funsten, H. O.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA. RP Schwadron, NA (reprint author), Univ New Hampshire, Durham, NH 03824 USA.; Schwadron, NA (reprint author), Southwest Res Inst, San Antonio, TX 78238 USA. EM nschwadron@unh.edu FU Interstellar Boundary Explorer mission as a part of NASAs Explorer Program; NASA SRT Grant [NNG06GD55G] FX We thank the editors, Gary Zank and Lunghua Wang, for their gracious assistance with the paper. We are very grateful to the many individuals who have made the IBEX project possible. This work is supported by the Interstellar Boundary Explorer mission as a part of NASAs Explorer Program and partially by NASA SR&T Grant NNG06GD55G. NR 40 TC 0 Z9 0 U1 0 U2 0 PU AMER INST PHYSICS PI MELVILLE PA 2 HUNTINGTON QUADRANGLE, STE 1NO1, MELVILLE, NY 11747-4501 USA SN 0094-243X BN 978-0-7354-1367-2 J9 AIP CONF PROC PY 2016 VL 1720 AR 080002 DI 10.1063/1.4943851 PG 8 WC Geochemistry & Geophysics SC Geochemistry & Geophysics GA BG8RW UT WOS:000392692000050 ER PT S AU Gurov, SM Akimov, AV Akimov, VE Anashin, VV Anchugov, OV Baranov, GN Batrakov, AM Belikov, OV Bekhtenev, EA Blum, E Bulatov, AV Burenkov, DB Cheblakov, PB Chernyakin, AD Cheskidov, VG Churkin, IN Davidsavier, M Derbenev, AA Erokhin, AI Fliller, RP Fulkerson, M Gorchakov, KM Ganetis, G Gao, F Gurov, DS Hseuh, H Hu, Y Johanson, M Kadyrov, RA Karnaev, SE Karpov, GV Kiselev, VA Kobets, VV Konstantinov, VM Kolmogorov, VV Korepanov, AA Kramer, S Krasnov, AA Kremnev, AA Kuper, EA Kuzminykh, VS Levichev, EB Li, Y De Long, J Makeev, AV Mamkin, VR Medvedko, AS Meshkov, OI Nefedov, NB Neyfeld, VV Okunev, IN Ozaki, S Padrazo, D Petrov, VV Petrichenkov, MV Philipchenko, AV Polyansky, AV Pureskin, DN Rakhimov, AR Rose, J Ruvinskiy, SI Rybitskaya, TV Sazonov, NV Schegolev, LM Semenov, AM Semenov, EP Senkov, DV Serdakov, LE Serednyakov, SS Shaftan, TV Sharma, S Shichkov, DS Shiyankov, SV Shvedov, DA Simonov, EA Singh, O Sinyatkin, SV Smaluk, VV Sukhanov, AV Tian, Y Tsukanova, LA Vakhrushev, RV Vobly, PD Utkin, AV Wang, G Wahl, W Willeke, F Yaminov, KR Yong, H Zhuravlev, A Zuhoski, P AF Gurov, S. M. Akimov, A. V. Akimov, V. E. Anashin, V. V. Anchugov, O. V. Baranov, G. N. Batrakov, A. M. Belikov, O. V. Bekhtenev, E. A. Blum, E. Bulatov, A. V. Burenkov, D. B. Cheblakov, P. B. Chernyakin, A. D. Cheskidov, V. G. Churkin, I. N. Davidsavier, M. Derbenev, A. A. Erokhin, A. I. Fliller, R. P. Fulkerson, M. Gorchakov, K. M. Ganetis, G. Gao, F. Gurov, D. S. Hseuh, H. Hu, Y. Johanson, M. Kadyrov, R. A. Karnaev, S. E. Karpov, G. V. Kiselev, V. A. Kobets, V. V. Konstantinov, V. M. Kolmogorov, V. V. Korepanov, A. A. Kramer, S. Krasnov, A. A. Kremnev, A. A. Kuper, E. A. Kuzminykh, V. S. Levichev, E. B. Li, Y. De Long, J. Makeev, A. V. Mamkin, V. R. Medvedko, A. S. Meshkov, O. I. Nefedov, N. B. Neyfeld, V. V. Okunev, I. N. Ozaki, S. Padrazo, D. Petrov, V. V. Petrichenkov, M. V. Philipchenko, A. V. Polyansky, A. V. Pureskin, D. N. Rakhimov, A. R. Rose, J. Ruvinskiy, S. I. Rybitskaya, T. V. Sazonov, N. V. Schegolev, L. M. Semenov, A. M. Semenov, E. P. Senkov, D. V. Serdakov, L. E. Serednyakov, S. S. Shaftan, T. V. Sharma, S. Shichkov, D. S. Shiyankov, S. V. Shvedov, D. A. Simonov, E. A. Singh, O. Sinyatkin, S. V. Smaluk, V. V. Sukhanov, A. V. Tian, Y. Tsukanova, L. A. Vakhrushev, R. V. Vobly, P. D. Utkin, A. V. Wang, G. Wahl, W. Willeke, F. Yaminov, K. R. Yong, H. Zhuravlev, A. Zuhoski, P. BE Vinokurov, NA Knyazev, BA TI NSLS-II BOSTER SO Proceedings of the International Conference Synchrotron and Free Electron Laser Radiation: Generation and Application (SFR-2016) SE Physics Procedia LA English DT Proceedings Paper CT International Conference on Synchrotron and Free Electron Laser Radiation - Generation and Application (SFR) CY JUL 04-07, 2016 CL RAS, SB, Budker Inst Nucl Phys, Novosibirsk, RUSSIA HO RAS, SB, Budker Inst Nucl Phys DE Synchrotron radiation; Booster AB The National Synchrotron Light Source II is a third generation light source, which was constructed at Brookhaven National Laboratory. This project includes a highly-optimized 3 GeV electron storage ring, linac preinjector, and full-energy synchrotron injector. Budker Institute of Nuclear Physics built and delivered the booster for NSLS-II. The commissioning of the booster was successfully completed. This paper reviews fulfilled work by participants. (C) 2016 The Authors. Published by Elsevier B.V. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/). C1 [Gurov, S. M.; Akimov, A. V.; Akimov, V. E.; Anashin, V. V.; Anchugov, O. V.; Baranov, G. N.; Batrakov, A. M.; Belikov, O. V.; Bekhtenev, E. A.; Bulatov, A. V.; Burenkov, D. B.; Cheblakov, P. B.; Chernyakin, A. D.; Cheskidov, V. G.; Churkin, I. N.; Erokhin, A. I.; Gorchakov, K. M.; Gurov, D. S.; Karnaev, S. E.; Karpov, G. V.; Kiselev, V. A.; Kobets, V. V.; Konstantinov, V. M.; Kolmogorov, V. V.; Korepanov, A. A.; Krasnov, A. A.; Kremnev, A. A.; Kuper, E. A.; Kuzminykh, V. S.; Levichev, E. B.; Makeev, A. V.; Mamkin, V. R.; Medvedko, A. S.; Meshkov, O. I.; Nefedov, N. B.; Neyfeld, V. V.; Okunev, I. N.; Petrov, V. V.; Petrichenkov, M. V.; Philipchenko, A. V.; Polyansky, A. V.; Pureskin, D. N.; Rakhimov, A. R.; Ruvinskiy, S. I.; Rybitskaya, T. V.; Sazonov, N. V.; Schegolev, L. M.; Semenov, A. M.; Semenov, E. P.; Senkov, D. V.; Serdakov, L. E.; Serednyakov, S. S.; Shaftan, T. V.; Shichkov, D. S.; Shiyankov, S. V.; Shvedov, D. A.; Simonov, E. A.; Sinyatkin, S. V.; Sukhanov, A. V.; Tsukanova, L. A.; Vakhrushev, R. V.; Vobly, P. D.; Utkin, A. V.; Yaminov, K. R.; Zhuravlev, A.] BINP, Novosibirsk 630090, Russia. [Blum, E.; Davidsavier, M.; Derbenev, A. A.; Fliller, R. P.; Fulkerson, M.; Ganetis, G.; Gao, F.; Hseuh, H.; Hu, Y.; Johanson, M.; Kadyrov, R. A.; Kramer, S.; Li, Y.; De Long, J.; Ozaki, S.; Padrazo, D.; Rose, J.; Sharma, S.; Singh, O.; Smaluk, V. V.; Tian, Y.; Wang, G.; Wahl, W.; Willeke, F.; Yong, H.; Zuhoski, P.] BNL, Upton, NY 11973 USA. RP Gurov, SM (reprint author), BINP, Novosibirsk 630090, Russia. EM S.M.Gurov@inp.nsk.su FU U.S. Department of Energy (DOE) [DE-AC02-98CH1-886]; Russian Science Foundation [14-50-00080] FX The authors acknowledge the hard work of all of the high-skilled BNL and BINP staff and the vendors that contributed to the successful commissioning and operation of the injector. This work is supported in part by the U.S. Department of Energy (DOE) under contract No. DE-AC02-98CH1-886. This work was supported in part of development of magnet field simulation code by grant 14-50-00080 of the Russian Science Foundation. NR 63 TC 0 Z9 0 U1 1 U2 1 PU ELSEVIER SCIENCE BV PI AMSTERDAM PA SARA BURGERHARTSTRAAT 25, PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS SN 1875-3892 J9 PHYSCS PROC PY 2016 VL 84 BP 74 EP 81 DI 10.1016/j.phpro.2016.11.013 PG 8 WC Optics; Physics, Applied SC Optics; Physics GA BG8TP UT WOS:000392696400011 ER PT J AU Naimi, LJ Sokhansanj, S Bi, X Lim, CJ AF Naimi, L. J. Sokhansanj, S. Bi, X. Lim, C. J. TI DEVELOPMENT OF A SIZE REDUCTION EQUATION FOR WOODY BIOMASS: THE INFLUENCE OF BRANCH WOOD PROPERTIES ON RITTINGER'S CONSTANT SO Transactions of the ASABE LA English DT Article DE Aspen; Douglas fir; Fiber length; Grinding; Knife mill; Lignin content; Particle size; Pine; Poplar; Rittinger; Size reduction; Specific energy ID MECHANICAL-PROPERTIES; FIBER ORIENTATION; LIGNIN CONTENT; PINUS-RADIATA; CORN STOVER; HEMICELLULOSES; MICROMECHANICS; COMPRESSION; SWITCHGRASS; PARTICLES AB Size reduction is an essential but energy-intensive process for preparing biomass for conversion processes. Three well-known scaling equations (Bond, Kick, and Rittinger) are used to estimate energy input for grinding minerals and food particles. Previous studies have shown that the Rittinger equation has the best fit to predict energy input for grinding cellulosic biomass. In the Rittinger equation, Rittinger's constant (k(R)) is independent of the size of ground particles, yet we noted large variations in kR among similar particle size ranges. In this research, the dependence of k(R) on the physical structure and chemical composition of a number of woody materials was explored. Branches from two softwood species (Douglas fir and pine) and two hardwood species (aspen and poplar) were ground in a laboratory knife mill. The recorded data included power input, mass flow rate, and particle size before and after grinding. Nine material properties were determined: particle density, solid density (pycnometer and x-ray diffraction methods), microfibril angle, fiber coarseness, fiber length, and composition (lignin and cellulose glucan contents). The correlation matrix among the nine properties revealed high degrees of interdependence between properties. The k(R) value had the largest positive correlation (+0.60) with particle porosity across the species tested. Particle density was strongly correlated with lignin content (0.85), microfibril angle (0.71), fiber length (0.87), and fiber coarseness (0.78). An empirical model relating k(R) to particle density was developed. C1 [Naimi, L. J.; Sokhansanj, S.; Bi, X.; Lim, C. J.] Univ British Columbia, Dept Chem & Biol Engn, 2360 East Mall, Vancouver, BC V6T 1Z3, Canada. [Sokhansanj, S.] Oak Ridge Natl Lab, Div Environm Sci, POB 2008, Oak Ridge, TN 37831 USA. RP Sokhansanj, S (reprint author), Univ British Columbia, Dept Chem & Biol Engn, 2360 East Mall, Vancouver, BC V6T 1Z3, Canada. EM sokhansanjs@ornl.gov FU BioFuelNet; Natural Sciences and Engineering Research Council of Canada; Oak Ridge National Laboratory FX BioFuelNet and the Natural Sciences and Engineering Research Council of Canada provided funding for this research. Oak Ridge National Laboratory sponsored the PI of this project and Dr. Shahab Sokhansanj's research. The authors would like to thank Mohammad Emami and Bahman Ghiasi for their help in the experiments and Nelson Uy and Shannon Huntley of FPInnovations for measurement of microstructural properties. NR 47 TC 0 Z9 0 U1 0 U2 0 PU AMER SOC AGRICULTURAL & BIOLOGICAL ENGINEERS PI ST JOSEPH PA 2950 NILES RD, ST JOSEPH, MI 49085-9659 USA SN 2151-0032 EI 2151-0040 J9 T ASABE JI Trans. ASABE PY 2016 VL 59 IS 6 BP 1475 EP 1484 DI 10.13031/trans.59.11347 PG 10 WC Agricultural Engineering SC Agriculture GA EJ0WU UT WOS:000392932500001 ER PT S AU Kirk, RL Barrett, JM Wahl, DE Erteza, I Jackowatz, CV Yocky, DA Turner, S Bussey, DBJ Paterson, GW AF Kirk, R. L. Barrett, J. M. Wahl, D. E. Erteza, I. Jackowatz, C. V. Yocky, D. A. Turner, S. Bussey, D. B. J. Paterson, G. W. BE Halounova, L Safar, V Jiang, J Olesovska, H Dvoracek, P Holland, D Seredovich, VA Muller, JP Rao, EPR Veenendaal, B Mu, L Zlatanova, S Oberst, J Yang, CP Ban, Y Stylianidis, S Vozenlek, V Vondrakova, A Gartner, G Remondino, F Doytsher, Y Percivall, G Schreier, G Dowman, I Streilein, A Ernst, J TI A SEMI-RIGOROUS SENSOR MODEL FOR PRECISION GEOMETRIC PROCESSING OF MINI-RF BISTATIC RADAR IMAGES OF THE MOON SO XXIII ISPRS Congress, Commission IV SE International Archives of the Photogrammetry Remote Sensing and Spatial Information Sciences LA English DT Proceedings Paper CT 23rd Congress of the International-Society-for-Photogrammetry-and-Remote-Sensing (ISPRS) CY JUL 12-19, 2016 CL Prague, CZECH REPUBLIC SP Int Soc Photogrammetry & Remote Sensing DE SAR; bistatic; sensor models; extraterrestrial; Moon ID MISSION AB The spaceborne synthetic aperture radar (SAR) instruments known as Mini-RF were designed to image shadowed areas of the lunar poles and assay the presence of ice deposits by quantitative polarimetry. We have developed radargrammetric processing techniques to enhance the value of these observations by removing spacecraft ephemeris errors and distortions caused by topographic parallax so the polarimetry can be compared with other data sets. Here we report on the extension of this capability from monostatic imaging (signal transmitted and received on the same spacecraft) to bistatic (transmission from Earth and reception on the spacecraft) which provides a unique opportunity to measure radar scattering at nonzero phase angles. In either case our radargrammetric sensor models first reconstruct the observed range and Doppler frequency from recorded image coordinates, then determine the ground location with a corrected trajectory on a more detailed topographic surface. The essential difference for bistatic radar is that range and Doppler shift depend on the transmitter as well as receiver trajectory. Incidental differences include the preparation of the images in a different (map projected) coordinate system and use of "squint" (i.e., imaging at nonzero rather than zero Doppler shift) to achieve the desired phase angle. Our approach to the problem is to reconstruct the time-of-observation, range, and Doppler shift of the image pixel by pixel in terms of rigorous geometric optics, then fit these functions with low-order polynomials accurate to a small fraction of a pixel. Range and Doppler estimated by using these polynomials can then be georeferenced rigorously on a new surface with an updated trajectory. This "semi-rigorous" approach (based on rigorous physics but involving fitting functions) speeds the calculation and avoids the need to manage both the original and adjusted trajectory data. We demonstrate the improvement in registration of the bistatic images for Cabeus crater, where the LCROSS spacecraft impacted in 2009, and describe plans to precision-register the entire Mini-RF bistatic data collection. C1 [Kirk, R. L.; Barrett, J. M.] US Geol Survey, Astrogeol Sci Ctr, 2255 N Gemini Dr, Flagstaff, AZ 86001 USA. [Wahl, D. E.; Erteza, I.; Jackowatz, C. V.; Yocky, D. A.] Sandia Natl Labs, Albuquerque, NM 87185 USA. [Turner, S.; Bussey, D. B. J.; Paterson, G. W.] Johns Hopkins Univ, Appl Phys Lab, Laurel, MD 20723 USA. RP Kirk, RL (reprint author), US Geol Survey, Astrogeol Sci Ctr, 2255 N Gemini Dr, Flagstaff, AZ 86001 USA. EM rkirk@usgs.gov NR 17 TC 0 Z9 0 U1 0 U2 0 PU COPERNICUS GESELLSCHAFT MBH PI GOTTINGEN PA BAHNHOFSALLE 1E, GOTTINGEN, 37081, GERMANY SN 2194-9034 J9 INT ARCH PHOTOGRAMM PY 2016 VL 41 IS B4 BP 425 EP 429 DI 10.5194/isprsarchives-XLI-B4-425-2016 PG 5 WC Computer Science, Information Systems; Geography, Physical; Remote Sensing SC Computer Science; Physical Geography; Remote Sensing GA BG8WS UT WOS:000392752100069 ER PT S AU Abramov, BM Alekseev, PN Borodin, YA Bulychjov, SA Dukhovskoy, IA Khanov, AI Krutenkova, AP Kulikov, VV Martemianov, MA Mashnik, SG Matsyuk, MA Turdakina, EN Zarubin, PI AF Abramov, B. M. Alekseev, P. N. Borodin, Yu. A. Bulychjov, S. A. Dukhovskoy, I. A. Khanov, A. I. Krutenkova, A. P. Kulikov, V. V. Martemianov, M. A. Mashnik, S. G. Matsyuk, M. A. Turdakina, E. N. Zarubin, P. I. BE Greco, V LaCognata, M Pirrone, S Rizzo, F Spitaleri, C TI Light fragments from (C plus Be) interactions at 0.6 GeV/nucleon SO 12TH INTERNATIONAL CONFERENCE ON NUCLEUS-NUCLEUS COLLISIONS 2015 SE EPJ Web of Conferences LA English DT Proceedings Paper CT 12th International Conference on Nucleus-Nucleus Collisions CY JUN 21-26, 2015-2016 CL Catania, ITALY SP Univ Catania, Dept Phys & Astron, INFN Lab Nazionali Sud & Sezione Catania, Int Union Pure & Appl Phys ID PROTONS; MODELS AB Nuclear fragments emitted at 3.5. in C-12 fragmentation at 0.6 GeV/nucleon have been measured. The spectra obtained are used for testing the predictions of four ion-ion interaction models: INCL++, BC, LAQGSM03.03 and QMD as well as for the comparison with the analytical parametrization in the framework of thermodynamical picture of fragmentation. C1 [Abramov, B. M.; Alekseev, P. N.; Borodin, Yu. A.; Bulychjov, S. A.; Dukhovskoy, I. A.; Khanov, A. I.; Krutenkova, A. P.; Kulikov, V. V.; Martemianov, M. A.; Matsyuk, M. A.; Turdakina, E. N.] SRC, Kurchatov Inst, Inst Theoret & Expt Phys, Moscow 117218, Russia. [Abramov, B. M.] Moscow Inst Phys & Technol MIPT, Dolgoprudnyy 117303, Russia. [Mashnik, S. G.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA. [Zarubin, P. I.] Joint Inst Nucl Res, Dubna 141980, Russia. RP Abramov, BM (reprint author), SRC, Kurchatov Inst, Inst Theoret & Expt Phys, Moscow 117218, Russia.; Abramov, BM (reprint author), Moscow Inst Phys & Technol MIPT, Dolgoprudnyy 117303, Russia. FU RFBR [15-02-06308]; National Nuclear Security Administration of the U.S. Department of Energy at Los Alamos National Laboratory [DE-AC52-06NA25396] FX Authors would like to thank I.I. Tsukerman for help. We are also indebted to the personnel of TWAC-ITEP and technical staff of the FRAGM experiment. The work has been supported in part by the RFBR (grant No. 15-02-06308). Part of the work performed at LANL by S.G.M. was carried out under the auspices of the National Nuclear Security Administration of the U.S. Department of Energy at Los Alamos National Laboratory under Contract No. DE-AC52-06NA25396. NR 13 TC 0 Z9 0 U1 0 U2 0 PU E D P SCIENCES PI CEDEX A PA 17 AVE DU HOGGAR PARC D ACTIVITES COUTABOEUF BP 112, F-91944 CEDEX A, FRANCE SN 2100-014X BN 978-88-7438-101-2 J9 EPJ WEB CONF PY 2016 VL 117 AR 03007 DI 10.1051/epjconf/201611703007 PG 6 WC Nuclear Science & Technology; Physics, Nuclear; Physics, Particles & Fields SC Nuclear Science & Technology; Physics GA BG8DY UT WOS:000392252000018 ER PT S AU Avila, ML Rehm, KE Almaraz-Calderon, S Carnelli, PFF DiGiovine, B Esbensen, H Hoffman, CR Jiang, CL Kay, BP Lai, J Nusair, O Pardo, RC Santiago-Gonzalez, D Talwar, R Ugalde, C AF Avila, M. L. Rehm, K. E. Almaraz-Calderon, S. Carnelli, P. F. F. DiGiovine, B. Esbensen, H. Hoffman, C. R. Jiang, C. L. Kay, B. P. Lai, J. Nusair, O. Pardo, R. C. Santiago-Gonzalez, D. Talwar, R. Ugalde, C. BE Greco, V LaCognata, M Pirrone, S Rizzo, F Spitaleri, C TI Study of the Ne-20,Ne-22+Ne-20,Ne-22 and C-10,C-12,C-13,C-14,C-15+C-12 fusion reactions with MUSIC SO 12TH INTERNATIONAL CONFERENCE ON NUCLEUS-NUCLEUS COLLISIONS 2015 SE EPJ Web of Conferences LA English DT Proceedings Paper CT 12th International Conference on Nucleus-Nucleus Collisions CY JUN 21-26, 2015-2016 CL Catania, ITALY SP Univ Catania, Dept Phys & Astron, INFN Lab Nazionali Sud & Sezione Catania, Int Union Pure & Appl Phys ID C-12 AB A highly efficient MUlti-Sampling Ionization Chamber (MUSIC) detector has been developed for measurements of fusion reactions. A study of fusion cross sections in the C-10,C-12,C-13,C-14,C-15+C-12 and Ne-20,Ne-22+Ne-20,Ne-22 systems has been performed at ATLAS. Experimental results and comparison with theoretical predictions are presented. Furthermore, results of direct measurements of the O-17(alpha, n)Ne-20, Ne-23(alpha, p)Mg-26 and Ne-23(alpha, n)Al-26 reactions will be discussed. C1 [Avila, M. L.; Rehm, K. E.; Almaraz-Calderon, S.; DiGiovine, B.; Esbensen, H.; Hoffman, C. R.; Jiang, C. L.; Kay, B. P.; Nusair, O.; Pardo, R. C.; Santiago-Gonzalez, D.; Talwar, R.; Ugalde, C.] Argonne Natl Lab, Div Phys, Argonne, IL 60439 USA. [Carnelli, P. F. F.] Lab Tandar, B1650KNA San Martin, Buenos Aires, DF, Argentina. [Lai, J.; Santiago-Gonzalez, D.] Louisiana State Univ, Dept Phys & Astron, Baton Rouge, LA 70803 USA. RP Avila, ML (reprint author), Argonne Natl Lab, Div Phys, Argonne, IL 60439 USA. RI Kay, Benjamin/F-3291-2011 OI Kay, Benjamin/0000-0002-7438-0208 FU U.S. Department of Energy, Office of Science, Office of Nuclear Physics [DE-AC02-06CH11357] FX This material is based upon work supported by the U.S. Department of Energy, Office of Science, Office of Nuclear Physics, under contract number DE-AC02-06CH11357. This research used resources of ANL's ATLAS facility, which is DOE Office of Science User Facility. NR 13 TC 0 Z9 0 U1 0 U2 0 PU E D P SCIENCES PI CEDEX A PA 17 AVE DU HOGGAR PARC D ACTIVITES COUTABOEUF BP 112, F-91944 CEDEX A, FRANCE SN 2100-014X BN 978-88-7438-101-2 J9 EPJ WEB CONF PY 2016 VL 117 AR 08009 DI 10.1051/epjconf/201611708009 PG 6 WC Nuclear Science & Technology; Physics, Nuclear; Physics, Particles & Fields SC Nuclear Science & Technology; Physics GA BG8DY UT WOS:000392252000114 ER PT S AU Galtarossa, F Jiang, CL Stefanini, AM Esbensen, H Rehm, KE Calderon, SA Avila, ML Back, BB Bourgin, D Corradi, L Courtin, S Fioretto, E Goasduff, A Haas, F Mazzocco, M Montanari, D Montagnoli, G Mijiatovic, T Sagaidak, R Santiago-Gonzalez, D Scarlassara, F Strano, E Szilner, S AF Galtarossa, F. Jiang, C. L. Stefanini, A. M. Esbensen, H. Rehm, K. E. Calderon, S. Almaraz Avila, M. L. Back, B. B. Bourgin, D. Corradi, L. Courtin, S. Fioretto, E. Goasduff, A. Haas, F. Mazzocco, M. Montanari, D. Montagnoli, G. Mijiatovic, T. Sagaidak, R. Santiago-Gonzalez, D. Scarlassara, F. Strano, E. Szilner, S. BE Greco, V LaCognata, M Pirrone, S Rizzo, F Spitaleri, C TI Fusion reactions of Ni-58,Ni-64+Sn-124 SO 12TH INTERNATIONAL CONFERENCE ON NUCLEUS-NUCLEUS COLLISIONS 2015 SE EPJ Web of Conferences LA English DT Proceedings Paper CT 12th International Conference on Nucleus-Nucleus Collisions CY JUN 21-26, 2015-2016 CL Catania, ITALY SP Univ Catania, Dept Phys & Astron, INFN Lab Nazionali Sud & Sezione Catania, Int Union Pure & Appl Phys ID DEEP-INELASTIC SCATTERING; BARRIER; FISSION; NI-58+SN-124; ENERGIES; NI+SN AB In order to better understand the influence of transfer in sub-barrier nuclear reactions, cross sections for the system Ni-58,Ni-64+Sn-124 have been measured down to 0.5-1 mu b and compared to detailed coupled-channel calculations. In agreement with a phenomenological Q-value systematics, calculations show the importance of including the coupling to the transfer channel for these heavy systems. No clear evidence of fusion hindrance is observed, probably due to the fact that the cross sections measured in this experiment are not low enough for the appearance of that phenomenon. C1 [Galtarossa, F.; Stefanini, A. M.; Corradi, L.; Fioretto, E.] Ist Nazl Fis Nucl, Lab Nazl Legnaro, I-35020 Legnaro, Padova, Italy. [Galtarossa, F.] Univ Ferrara, Dipartimento Fis & Sci Terra, I-44121 Ferrara, Italy. [Jiang, C. L.; Esbensen, H.; Rehm, K. E.; Calderon, S. Almaraz; Avila, M. L.; Back, B. B.; Santiago-Gonzalez, D.] Argonne Natl Lab, Div Phys, Argonne, IL 60439 USA. [Bourgin, D.; Courtin, S.; Haas, F.; Montanari, D.] Univ Strasbourg, CNRS, IN2P3, IPHC, F-67037 Strasbourg 2, France. [Mazzocco, M.; Montagnoli, G.; Scarlassara, F.; Strano, E.] Univ Padua, Ist Nazl Fis Nucl, Sez Padova, Dipartimento Fis & Astron, I-35131 Padua, Italy. [Mijiatovic, T.; Szilner, S.] Rudjer Boskovic Inst, HR-10002 Zagreb, Croatia. [Sagaidak, R.] Joint Inst Nucl Res, RU-141980 Dubna, Russia. [Goasduff, A.] CNRS, IN2P3, CSNSM, Orsay Campus, F-91405 Orsay, France. [Goasduff, A.] Univ Paris 11, Orsay Campus, F-91405 Orsay, France. RP Galtarossa, F (reprint author), Ist Nazl Fis Nucl, Lab Nazl Legnaro, I-35020 Legnaro, Padova, Italy.; Galtarossa, F (reprint author), Univ Ferrara, Dipartimento Fis & Sci Terra, I-44121 Ferrara, Italy. NR 21 TC 0 Z9 0 U1 1 U2 1 PU E D P SCIENCES PI CEDEX A PA 17 AVE DU HOGGAR PARC D ACTIVITES COUTABOEUF BP 112, F-91944 CEDEX A, FRANCE SN 2100-014X BN 978-88-7438-101-2 J9 EPJ WEB CONF PY 2016 VL 117 AR 08011 DI 10.1051/epjconf/201611708011 PG 7 WC Nuclear Science & Technology; Physics, Nuclear; Physics, Particles & Fields SC Nuclear Science & Technology; Physics GA BG8DY UT WOS:000392252000116 ER PT S AU Mashnik, SG Kerby, LM AF Mashnik, Stepan G. Kerby, Leslie M. BE Greco, V LaCognata, M Pirrone, S Rizzo, F Spitaleri, C TI MCNP6 simulation of light and medium nuclei fragmentation at intermediate energies SO 12TH INTERNATIONAL CONFERENCE ON NUCLEUS-NUCLEUS COLLISIONS 2015 SE EPJ Web of Conferences LA English DT Proceedings Paper CT 12th International Conference on Nucleus-Nucleus Collisions CY JUN 21-26, 2015-2016 CL Catania, ITALY SP Univ Catania, Dept Phys & Astron, INFN Lab Nazionali Sud & Sezione Catania, Int Union Pure & Appl Phys AB Fragmentation reactions induced on light and medium nuclei by protons and light nuclei of energies around 1 GeV/nucleon and below are studied with the Los Alamos transport code MCNP6 and with its CEM03.03 and LAQGSM03.03 event generators. CEM and LAQGSM assume that intermediate-energy fragmentation reactions on light nuclei occur generally in two stages. The first stage is the intranuclear cascade (INC), followed by the second, Fermi breakup disintegration of light excited residual nuclei produced after the INC. CEM and LAQGSM account also for coalescence of light fragments (complex particles) up to He-4 from energetic nucleons emitted during INC. We investigate the validity and performance of MCNP6, CEM, and LAQGSM in simulating fragmentation reactions at intermediate energies and discuss possible ways of further improving these codes. C1 [Mashnik, Stepan G.; Kerby, Leslie M.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA. [Kerby, Leslie M.] Univ Idaho, Moscow, ID 83844 USA. RP Mashnik, SG (reprint author), Los Alamos Natl Lab, Los Alamos, NM 87545 USA. FU National Nuclear Security Administration of the U.S. Department of Energy at Los Alamos National Laboratory [DE-AC52-06NA25396]; American Physical Society FX This study was carried out under the auspices of the National Nuclear Security Administration of the U.S. Department of Energy at Los Alamos National Laboratory under Contract No. DE-AC52-06NA25396. This work is supported in part (for L.M.K) by the M. Hildred Blewett Fellowship of the American Physical Society, www.aps.org. NR 20 TC 0 Z9 0 U1 0 U2 0 PU E D P SCIENCES PI CEDEX A PA 17 AVE DU HOGGAR PARC D ACTIVITES COUTABOEUF BP 112, F-91944 CEDEX A, FRANCE SN 2100-014X BN 978-88-7438-101-2 J9 EPJ WEB CONF PY 2016 VL 117 AR 03008 DI 10.1051/epjconf/201611703008 PG 7 WC Nuclear Science & Technology; Physics, Nuclear; Physics, Particles & Fields SC Nuclear Science & Technology; Physics GA BG8DY UT WOS:000392252000019 ER PT S AU Orrigo, SEA Rubio, B Fujita, Y Blank, B Gelletly, W Agramunt, J Algora, A Ascher, P Bilgier, B Caceres, L Cakirli, RB Fujita, H Ganioglu, E Gerbaux, M Giovinazzo, J Grevy, S Kamalou, O Kozer, HC Kucuk, L Kurtukian-Nieto, T Molina, F Popescu, L Rogers, AM Susoy, G Stodel, C Suzuki, T Tamii, A Thomas, JC AF Orrigo, S. E. A. Rubio, B. Fujita, Y. Blank, B. Gelletly, W. Agramunt, J. Algora, A. Ascher, P. Bilgier, B. Caceres, L. Cakirli, R. B. Fujita, H. Ganioglu, E. Gerbaux, M. Giovinazzo, J. Grevy, S. Kamalou, O. Kozer, H. C. Kucuk, L. Kurtukian-Nieto, T. Molina, F. Popescu, L. Rogers, A. M. Susoy, G. Stodel, C. Suzuki, T. Tamii, A. Thomas, J. C. BE Greco, V LaCognata, M Pirrone, S Rizzo, F Spitaleri, C TI Competition of beta-delayed protons and beta-delayed gamma rays in Zn-56 and the exotic beta-delayed gamma-proton decay SO 12TH INTERNATIONAL CONFERENCE ON NUCLEUS-NUCLEUS COLLISIONS 2015 SE EPJ Web of Conferences LA English DT Proceedings Paper CT 12th International Conference on Nucleus-Nucleus Collisions CY JUN 21-26, 2015-2016 CL Catania, ITALY SP Univ Catania, Dept Phys & Astron, INFN Lab Nazionali Sud & Sezione Catania, Int Union Pure & Appl Phys AB Remarkable results have been published recently on the beta decay of Zn-56. In particular, the rare and exotic beta-delayed gamma-proton emission has been detected for the first time in the fp shell. Here we focus the discussion on this exotic decay mode and on the observed competition between beta-delayed protons and beta-delayed gamma rays from the Isobaric Analogue State. C1 [Orrigo, S. E. A.; Rubio, B.; Agramunt, J.; Algora, A.; Molina, F.] Univ Valencia, CSIC, Inst Fis Corpuscular, E-46071 Valencia, Spain. [Fujita, Y.] Osaka Univ, Dept Phys, Toyonaka, Osaka 5600043, Japan. [Blank, B.; Ascher, P.; Gerbaux, M.; Giovinazzo, J.; Grevy, S.; Kurtukian-Nieto, T.] Univ Bordeaux 1, Ctr Etudes Nucl Bordeaux Gradignan, CNRS IN2P3, F-33175 Gradignan, France. [Gelletly, W.] Univ Surrey, Dept Phys, Guildford GU2 7XH, Surrey, England. [Algora, A.] Hungarian Acad Sci, Inst Nucl Res, H-4026 Debrecen, Hungary. [Bilgier, B.; Cakirli, R. B.; Ganioglu, E.; Kozer, H. C.; Kucuk, L.; Susoy, G.] Istanbul Univ, Dept Phys, TR-34134 Istanbul, Turkey. [Caceres, L.; Kamalou, O.; Stodel, C.; Thomas, J. C.] Grand Accelerateur Natl Ions Lourds, BP 55027, F-14076 Caen, France. [Fujita, H.; Suzuki, T.; Tamii, A.] Osaka Univ, Nucl Phys Res Ctr, Ibaraki, Osaka 5670047, Japan. [Molina, F.] Comis Chilena Energia Nucl, Casilla 188-D, Santiago, Chile. [Popescu, L.] CEN SCK, Boeretang 200, B-2400 Mol, Belgium. [Rogers, A. M.] Argonne Natl Lab, Div Phys, Argonne, IL 60439 USA. RP Orrigo, SEA (reprint author), Univ Valencia, CSIC, Inst Fis Corpuscular, E-46071 Valencia, Spain. EM sonja.orrigo@ific.uv.es FU Spanish MICINN [FPA2008-06419-C02-01, FPA2011-24553]; Centro de Excelencia Severo Ochoa del IFIC [SEV-2014-0398]; CPAN Consolider-Ingenio Programme [CSD2007-00042]; Junta para la Ampliacion de Estudios Programme (CSIC JAE-Doc contract) - FSE; MEXT, Japan [18540270, 22540310]; Japan-Spain coll. program of JSPS; CSIC; Istanbul University Scientific Research Projects [5808]; UK Science and Technology Facilities Council (STFC) [ST/F012012/1]; Region of Aquitaine; Alexander von Humboldt foundation; Max Planck-Partner Group FX This work was supported by the Spanish MICINN grants FPA2008-06419-C02-01, FPA2011-24553; Centro de Excelencia Severo Ochoa del IFIC SEV-2014-0398; CPAN Consolider-Ingenio 2010 Programme CSD2007-00042; Junta para la Ampliacion de Estudios Programme (CSIC JAE-Doc contract) co-financed by FSE; MEXT, Japan 18540270 and 22540310; Japan-Spain coll. program of JSPS and CSIC; Istanbul University Scientific Research Projects, Num. 5808; UK Science and Technology Facilities Council (STFC) Grant No. ST/F012012/1; Region of Aquitaine. R.B.C. acknowledges support by the Alexander von Humboldt foundation and the Max Planck-Partner Group. We acknowledge the EXOGAM collaboration for the use of their clover detectors. NR 7 TC 0 Z9 0 U1 3 U2 3 PU E D P SCIENCES PI CEDEX A PA 17 AVE DU HOGGAR PARC D ACTIVITES COUTABOEUF BP 112, F-91944 CEDEX A, FRANCE SN 2100-014X BN 978-88-7438-101-2 J9 EPJ WEB CONF PY 2016 VL 117 AR 06019 DI 10.1051/epjconf/201611706019 PG 6 WC Nuclear Science & Technology; Physics, Nuclear; Physics, Particles & Fields SC Nuclear Science & Technology; Physics GA BG8DY UT WOS:000392252000071 ER PT S AU Santiago-Gonzalez, D Jiang, CL Rehm, KE Alcorta, M Almaraz-Calderon, S Avila, ML Ayangeakaa, AD Back, BB Bourgin, D Bucher, B Carpenter, MP Courtin, S David, HM Deibel, CM Dickerson, C DiGiovine, B Fang, X Greene, JP Haas, F Henderson, DJ Janssens, RVF Jenkins, D Lai, J Lauritsen, T Lefebvre-Schuhl, A Montanari, D Pardo, RC Paul, M Seweryniak, D Tang, XD Ugalde, C Zhu, S AF Santiago-Gonzalez, D. Jiang, C. L. Rehm, K. E. Alcorta, M. Almaraz-Calderon, S. Avila, M. L. Ayangeakaa, A. D. Back, B. B. Bourgin, D. Bucher, B. Carpenter, M. P. Courtin, S. David, H. M. Deibel, C. M. Dickerson, C. DiGiovine, B. Fang, X. Greene, J. P. Haas, F. Henderson, D. J. Janssens, R. V. F. Jenkins, D. Lai, J. Lauritsen, T. Lefebvre-Schuhl, A. Montanari, D. Pardo, R. C. Paul, M. Seweryniak, D. Tang, X. D. Ugalde, C. Zhu, S. BE Greco, V LaCognata, M Pirrone, S Rizzo, F Spitaleri, C TI Fusion measurements of C-12+C-12 at energies of astrophysical interest SO 12TH INTERNATIONAL CONFERENCE ON NUCLEUS-NUCLEUS COLLISIONS 2015 SE EPJ Web of Conferences LA English DT Proceedings Paper CT 12th International Conference on Nucleus-Nucleus Collisions CY JUN 21-26, 2015-2016 CL Catania, ITALY SP Univ Catania, Dept Phys & Astron, INFN Lab Nazionali Sud & Sezione Catania, Int Union Pure & Appl Phys AB The cross section of the C-12-C-12 fusion reaction at low energies is of paramount importance for models of stellar nucleosynthesis in different astrophysical scenarios, such as Type Ia supernovae and X-ray superbursts, where this reaction is a primary route for the production of heavier elements. In a series of experiments performed at Argonne National Laboratory, using Gammasphere and an array of Silicon detectors, measurements of the fusion cross section of C-12+C-12 were successfully carried out with the gamma and charged-particle coincidence technique in the center-of-mass energy range of 3-5 MeV. These were the first background-free fusion cross section measurements for C-12-C-12 at energies of astrophysical interest. Our results are consistent with previous measurements in the high-energy region; however, our lowest energy measurement indicates a fusion cross section slightly lower than those obtained with other techniques. C1 [Santiago-Gonzalez, D.; Deibel, C. M.; Lai, J.] Louisiana State Univ, Dept Phys & Astron, Baton Rouge, LA 70803 USA. [Santiago-Gonzalez, D.; Jiang, C. L.; Rehm, K. E.; Almaraz-Calderon, S.; Avila, M. L.; Ayangeakaa, A. D.; Back, B. B.; Carpenter, M. P.; David, H. M.; Dickerson, C.; DiGiovine, B.; Greene, J. P.; Henderson, D. J.; Janssens, R. V. F.; Lauritsen, T.; Pardo, R. C.; Seweryniak, D.; Ugalde, C.; Zhu, S.] Argonne Natl Lab, Div Phys, Argonne, IL 60439 USA. [Alcorta, M.] TRIUMF, Vancouver, BC V6T 2A3, Canada. [Bourgin, D.; Courtin, S.; Haas, F.; Montanari, D.] Univ Strasbourg, IPHC, F-67037 Strasbourg, France. [Rehm, K. E.; Bourgin, D.; Courtin, S.; Haas, F.; Montanari, D.] Univ Strasbourg, CNRS, F-67037 Strasbourg, France. [Bucher, B.] Lawrence Livermore Natl Lab, Livermore, CA 94551 USA. [Fang, X.] Univ Notre Dame, Notre Dame, IN 46556 USA. [Jenkins, D.] Univ York, Dept Phys, York Y010 5DD, N Yorkshire, England. [Lefebvre-Schuhl, A.] IN2P3 CNRS, F-91405 Orsay, France. [Lefebvre-Schuhl, A.] Univ Paris 11, F-91405 Orsay, France. [Paul, M.] Hebrew Univ Jerusalem, Racah Inst Phys, IL-91904 Jerusalem, Israel. [Tang, X. D.] Inst Modern Phys, Lanzhou, Peoples R China. [Almaraz-Calderon, S.] Florida State Univ, Dept Phys, Tallahassee, FL 32306 USA. RP Santiago-Gonzalez, D (reprint author), Louisiana State Univ, Dept Phys & Astron, Baton Rouge, LA 70803 USA.; Santiago-Gonzalez, D (reprint author), Argonne Natl Lab, Div Phys, Argonne, IL 60439 USA. FU U.S. Department of Energy, Office of Nuclear Physics [DE-AC02-06CH11357, DE-FG02-96ER40978] FX This material is based upon work supported by the U.S. Department of Energy, Office of Nuclear Physics, under contract No. DE-AC02-06CH11357 and No. DE-FG02-96ER40978. This research used resources of ANL's ATLAS facility, which is a DOE Office of Science User Facility. NR 16 TC 0 Z9 0 U1 2 U2 2 PU E D P SCIENCES PI CEDEX A PA 17 AVE DU HOGGAR PARC D ACTIVITES COUTABOEUF BP 112, F-91944 CEDEX A, FRANCE SN 2100-014X BN 978-88-7438-101-2 J9 EPJ WEB CONF PY 2016 VL 117 AR 09011 DI 10.1051/epjconf/201611709011 PG 6 WC Nuclear Science & Technology; Physics, Nuclear; Physics, Particles & Fields SC Nuclear Science & Technology; Physics GA BG8DY UT WOS:000392252000144 ER PT S AU Staszczak, A Wong, CY AF Staszczak, Andrzej Wong, Cheuk-Yin BE Greco, V LaCognata, M Pirrone, S Rizzo, F Spitaleri, C TI Theoretical studies of possible toroidal high-spin isomers in the light-mass region SO 12TH INTERNATIONAL CONFERENCE ON NUCLEUS-NUCLEUS COLLISIONS 2015 SE EPJ Web of Conferences LA English DT Proceedings Paper CT 12th International Conference on Nucleus-Nucleus Collisions CY JUN 21-26, 2015-2016 CL Catania, ITALY SP Univ Catania, Dept Phys & Astron, INFN Lab Nazionali Sud & Sezione Catania, Int Union Pure & Appl Phys ID TIME PROJECTION CHAMBER; SKYRMES INTERACTION; NUCLEI; TPC AB We review our theoretical knowledge of possible toroidal high-spur isomers in the light mass region in 28 <= A <= 52 obtained previously in cranked Skyrine-flartree-Fock calculations. We report additional toroidal high-spin isomers in Ni-56 with I=114h. and 140h, which follow the same (multi-particle) (multi-hole) systematics as other toroidal high-spin isomers. We examine the production of these exotic nuclei by fusion of various projectiles on Ne-20 or Si-28 as an active target in time-projection-chamber (TPC) experiments. C1 [Staszczak, Andrzej] Marie Curie Sklodowska Univ, Inst Phys, Lublin, Poland. [Wong, Cheuk-Yin] Oak Ridge Natl Lab, Div Phys, Oak Ridge, IN USA. RP Staszczak, A (reprint author), Marie Curie Sklodowska Univ, Inst Phys, Lublin, Poland. FU Division of Nuclear Physics, U.S. Department of Energy [DH-AC05-00OR22725] FX The authors wish to thank Profs. J. Natowitz and K. Read for helpful discussions. This work was supported in part by the Division of Nuclear Physics, U.S. Department of Energy, Contract No. DH-AC05-00OR22725. NR 17 TC 0 Z9 0 U1 1 U2 1 PU E D P SCIENCES PI CEDEX A PA 17 AVE DU HOGGAR PARC D ACTIVITES COUTABOEUF BP 112, F-91944 CEDEX A, FRANCE SN 2100-014X BN 978-88-7438-101-2 J9 EPJ WEB CONF PY 2016 VL 117 AR 04008 DI 10.1051/epjconf/201611704008 PG 6 WC Nuclear Science & Technology; Physics, Nuclear; Physics, Particles & Fields SC Nuclear Science & Technology; Physics GA BG8DY UT WOS:000392252000037 ER PT S AU Titarenko, YE Batyaev, VF Chauzova, MV Kashirin, IA Malinovskiy, SV Pavlov, KV Rogov, VI Titarenko, AY Zhivun, VM Mashnik, SG Stankovskiy, AY AF Titarenko, Yu. E. Batyaev, V. F. Chauzova, M. V. Kashirin, I. A. Malinovskiy, S. V. Pavlov, K. V. Rogov, V. I. Titarenko, A. Yu. Zhivun, V. M. Mashnik, S. G. Stankovskiy, A. Yu. BE Greco, V LaCognata, M Pirrone, S Rizzo, F Spitaleri, C TI Determination of integral cross sections of H-3 in Al foils monitors irradiated by protons with energies ranging from 40 to 2600 MeV SO 12TH INTERNATIONAL CONFERENCE ON NUCLEUS-NUCLEUS COLLISIONS 2015 SE EPJ Web of Conferences LA English DT Proceedings Paper CT 12th International Conference on Nucleus-Nucleus Collisions CY JUN 21-26, 2015-2016 CL Catania, ITALY SP Univ Catania, Dept Phys & Astron, INFN Lab Nazionali Sud & Sezione Catania, Int Union Pure & Appl Phys AB The results of H-3 production in Al foil monitors (similar to 59 mg/cm(2) thickness) are presented. These foils have been irradiated in 15x15 mm polyethylene bags of similar to 14 mg/cm(2) thickness together with foils of Cr (similar to 395 mg/cm(2) thickness) and Fe-56 (similar to 332 mg/cm(2) thickness) by protons of different energies in a range of 0.04 - 2.6 GeV. The diameters of all the foils were 10.5 mm. The irradiations were carried out at the ITEP accelerator U-10 under the ISTC Project #3266 in 2006-2009. H-3 has been extracted from Al foils using an A307 Sample Oxidizer. An ultra low level liquid scintillation spectrometer Quantulus1220 was used to measure the H-3 beta-spectra and the SpectraDec software package was applied for spectra processing, deconvolution and H-3 activity determination. The values of the Al(p, x)H-3 reaction cross sections obtained in these experiments are compared with data measured at other labs and with results of simulations by the MCNP6 radiation transport code using the CEM03.03 event generator. C1 [Titarenko, Yu. E.; Batyaev, V. F.; Chauzova, M. V.; Kashirin, I. A.; Malinovskiy, S. V.; Pavlov, K. V.; Rogov, V. I.; Titarenko, A. Yu.; Zhivun, V. M.] Inst Theoret & Expt Phys, NRC Kurchatov Inst, Moscow, Russia. [Zhivun, V. M.] NRNU MEPhI Moscow Engn Phys Inst, Moscow, Russia. [Mashnik, S. G.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA. [Stankovskiy, A. Yu.] SCK CEN, Mol, Belgium. RP Titarenko, YE (reprint author), Inst Theoret & Expt Phys, NRC Kurchatov Inst, Moscow, Russia. FU ISTC projects; National Research Center "Kurchatov Institute"; National Nuclear Security Administration of the U.S. Department of Energy FX The authors very much appreciate the support received from the ISTC projects, as well as from the current pilot project of the National Research Center "Kurchatov Institute". Part of the work performed at LANL was carried out under the auspices of the National Nuclear Security Administration of the U.S. Department of Energy. We thank Dr. Roger L. Martz for a very careful reading of the manuscript and useful suggestions on its improvement. NR 6 TC 0 Z9 0 U1 0 U2 0 PU E D P SCIENCES PI CEDEX A PA 17 AVE DU HOGGAR PARC D ACTIVITES COUTABOEUF BP 112, F-91944 CEDEX A, FRANCE SN 2100-014X BN 978-88-7438-101-2 J9 EPJ WEB CONF PY 2016 VL 117 AR 05009 DI 10.1051/epjconf/201611705009 PG 4 WC Nuclear Science & Technology; Physics, Nuclear; Physics, Particles & Fields SC Nuclear Science & Technology; Physics GA BG8DY UT WOS:000392252000052 ER PT S AU Balci, S Czaplewski, DA Jung, IW Hatami, F Kung, P Kim, SM AF Balci, Soner Czaplewski, David A. Jung, Il Woong Hatami, Fariba Kung, Patrick Kim, Seongsin M. GP IEEE TI Biased THz Emission from InGaAs Nanowires Fabricated Using Electron Beam Lithography SO 2016 41ST INTERNATIONAL CONFERENCE ON INFRARED, MILLIMETER, AND TERAHERTZ WAVES (IRMMW-THZ) SE International Conference on Infrared Millimeter and Terahertz Waves LA English DT Proceedings Paper CT 41st International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz) CY SEP 25-30, 2016 CL Copenhagen, DENMARK SP DTU, IEEE, QMC Instruments, Danish Ctr Laser Infrastructure, DTU Fotonik, Dept Photon Engn, ARL, CARLSBERG FDN, AF OFF SCI RES, Tech Univ Denmark, IEEE Microwave Theory & Tech Soc, Azpect Photon, Ekspla, Hubner HF Syst Engn, I2S, Laser Quantum, Menlo Syst, Neaspec, Springer, TeraView, Virginia Diodes AB Semiconductor nanowires have been investigated intensively for their potential as efficient terahertz sources. Besides having perfect control on structural features such as vertical alignment and uniform distribution by fabricating the wires via e- beam lithography and etching process, we also investigated THz generation from these fabricated nanowires under bias field. To be able to apply a voltage bias, an interdigitated gold (Au) pattern was deposited over a titanium (Ti) adhesion layer on the InGaAs epilayer. Afterwards, perfect vertically aligned and uniformly distributed nanowires were fabricated in between the electrodes of this interdigitated pattern so that we could apply voltage bias to improve the THz emission. As a result, we achieved to enhance the emitted THz radiation by similar to 3 times with a DC bias field. C1 [Balci, Soner; Kung, Patrick; Kim, Seongsin M.] Univ Alabama, Elect & Comp Engn Dept, Tuscaloosa, AL 35487 USA. [Czaplewski, David A.; Jung, Il Woong] Argonne Natl Lab, Ctr Nanoscale Mat, 9700 S Cass Ave, Argonne, IL 60439 USA. [Hatami, Fariba] Humboldt Univ, Dept Phys, D-12489 Berlin, Germany. RP Balci, S (reprint author), Univ Alabama, Elect & Comp Engn Dept, Tuscaloosa, AL 35487 USA. FU U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences [DE-AC02-06CH11357]; Center for Nanoscale Materials FX This work was performed, in part, at the Center for Nanoscale Materials, a U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences under Contract No. DE-AC02-06CH11357. NR 4 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 2162-2027 BN 978-1-4673-8485-8 J9 INT CONF INFRA MILLI PY 2016 PG 2 WC Engineering, Electrical & Electronic; Physics, Applied SC Engineering; Physics GA BG7KC UT WOS:000391406200267 ER PT S AU Bowlan, P Kamaraju, N Yarotski, DA Taylor, AJ Prasankumar, RP AF Bowlan, P. Kamaraju, N. Yarotski, D. A. Taylor, A. J. Prasankumar, R. P. GP IEEE TI Using Terahertz Pulses to Shed New Light on Quantum Materials SO 2016 41ST INTERNATIONAL CONFERENCE ON INFRARED, MILLIMETER, AND TERAHERTZ WAVES (IRMMW-THZ) SE International Conference on Infrared Millimeter and Terahertz Waves LA English DT Proceedings Paper CT 41st International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz) CY SEP 25-30, 2016 CL Copenhagen, DENMARK SP DTU, IEEE, QMC Instruments, Danish Ctr Laser Infrastructure, DTU Fotonik, Dept Photon Engn, ARL, CARLSBERG FDN, AF OFF SCI RES, Tech Univ Denmark, IEEE Microwave Theory & Tech Soc, Azpect Photon, Ekspla, Hubner HF Syst Engn, I2S, Laser Quantum, Menlo Syst, Neaspec, Springer, TeraView, Virginia Diodes AB We have used ultrafast THz spectroscopy to both excite and probe low energy excitations in two-dimensional electron gases, topological insulators, and multiferroics. C1 [Bowlan, P.; Kamaraju, N.; Yarotski, D. A.; Taylor, A. J.; Prasankumar, R. P.] Los Alamos Natl Lab, Ctr Integrated Nanotechnol, Los Alamos, NM 87545 USA. RP Bowlan, P (reprint author), Los Alamos Natl Lab, Ctr Integrated Nanotechnol, Los Alamos, NM 87545 USA. NR 4 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 2162-2027 BN 978-1-4673-8485-8 J9 INT CONF INFRA MILLI PY 2016 PG 1 WC Engineering, Electrical & Electronic; Physics, Applied SC Engineering; Physics GA BG7KC UT WOS:000391406200549 ER PT S AU Carr, GL Xi, XX AF Carr, G. L. Xi, Xiaoxiang GP IEEE TI Time Domain Analysis of a Superconductor's Nonlinear THz Response SO 2016 41ST INTERNATIONAL CONFERENCE ON INFRARED, MILLIMETER, AND TERAHERTZ WAVES (IRMMW-THZ) SE International Conference on Infrared Millimeter and Terahertz Waves LA English DT Proceedings Paper CT 41st International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz) CY SEP 25-30, 2016 CL Copenhagen, DENMARK SP DTU, IEEE, QMC Instruments, Danish Ctr Laser Infrastructure, DTU Fotonik, Dept Photon Engn, ARL, CARLSBERG FDN, AF OFF SCI RES, Tech Univ Denmark, IEEE Microwave Theory & Tech Soc, Azpect Photon, Ekspla, Hubner HF Syst Engn, I2S, Laser Quantum, Menlo Syst, Neaspec, Springer, TeraView, Virginia Diodes AB We analyze the response of a BCS-type superconductor exposed to a strong THz pulse using the FDTD method in combination with a model time-dependent susceptibility having an explicit dependence on the superconductor's energy gap Delta. In the analysis, the energy gap is allowed to be time varying through its dependence on the current density, along with a relaxation time related to the inelastic electronic scattering rate. The model accounts for 3rd harmonic generation effects and can be applied to the case of an incident, strong-field, single or few cycle pulse for which significant nonlinear effects can occur. C1 [Carr, G. L.; Xi, Xiaoxiang] Brookhaven Natl Lab, Upton, NY 11973 USA. RP Xi, XX (reprint author), Brookhaven Natl Lab, Upton, NY 11973 USA. FU U.S. Department of Energy [DE-ACO2-98CH10886, DE-SC0012704] FX This work was supported by the U.S. Department of Energy under contracts DE-ACO2-98CH10886 and DE-SC0012704 at Brookhaven National Laboratory. NR 1 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 2162-2027 BN 978-1-4673-8485-8 J9 INT CONF INFRA MILLI PY 2016 PG 1 WC Engineering, Electrical & Electronic; Physics, Applied SC Engineering; Physics GA BG7KC UT WOS:000391406200669 ER PT S AU Jawla, S Hoffmann, H Shapiro, M Temkin, R Hanson, G AF Jawla, Sudheer Hoffmann, Hannah Shapiro, Michael Temkin, Richard Hanson, Gregory GP IEEE TI Measurement of Polarization Properties of ECRH Polarizers at 170 GHz SO 2016 41ST INTERNATIONAL CONFERENCE ON INFRARED, MILLIMETER, AND TERAHERTZ WAVES (IRMMW-THZ) SE International Conference on Infrared Millimeter and Terahertz Waves LA English DT Proceedings Paper CT 41st International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz) CY SEP 25-30, 2016 CL Copenhagen, DENMARK SP DTU, IEEE, QMC Instruments, Danish Ctr Laser Infrastructure, DTU Fotonik, Dept Photon Engn, ARL, CARLSBERG FDN, AF OFF SCI RES, Tech Univ Denmark, IEEE Microwave Theory & Tech Soc, Azpect Photon, Ekspla, Hubner HF Syst Engn, I2S, Laser Quantum, Menlo Syst, Neaspec, Springer, TeraView, Virginia Diodes ID MITER BENDS AB A combination of circular polarizer and polarization rotator at 170 GHz were designed and constructed by General Atomics (GA) and tested at MIT for Electron Cyclotron Heating in ITER. Cold test measurements were performed using a Vector Network Analyzer to determine the relative amplitudes and phase shifts between two orthogonal components of the reflected field. Measured polarization parameters, ellipticity and rotation, are compared with the numerical simulations done using High Field Structure Simulator (HFSS) software for the designed groove shapes. C1 [Jawla, Sudheer; Hoffmann, Hannah; Shapiro, Michael; Temkin, Richard] MIT, 77 Massachusetts Ave, Cambridge, MA 02139 USA. [Hanson, Gregory] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA. RP Jawla, S (reprint author), MIT, 77 Massachusetts Ave, Cambridge, MA 02139 USA. FU U.S. Department of Energy (DOE) Office of Fusion Energy Sciences [DE-FC02-93ER54186]; U.S. ITER Project FX We acknowledge John Doane and Jim Anderson at General Atomics for helpful discussions. This work is supported in part by the U.S. Department of Energy (DOE) Office of Fusion Energy Sciences under grant DE-FC02-93ER54186 and by the U.S. ITER Project managed by Battelle/Oak Ridge National Laboratory. NR 5 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 2162-2027 BN 978-1-4673-8485-8 J9 INT CONF INFRA MILLI PY 2016 PG 2 WC Engineering, Electrical & Electronic; Physics, Applied SC Engineering; Physics GA BG7KC UT WOS:000391406200191 ER PT S AU Karl, N Heimbeck, M Everitt, H Chen, HT Taylor, AJ Benz, A Reno, JL Brener, I Mendis, R Mittleman, DM AF Karl, N. Heimbeck, M. Everitt, H. Chen, H. -T. Taylor, A. J. Benz, A. Reno, J. L. Brener, I. Mendis, R. Mittleman, D. M. GP IEEE TI Characterization of Switchable Terahertz Metasurfaces SO 2016 41ST INTERNATIONAL CONFERENCE ON INFRARED, MILLIMETER, AND TERAHERTZ WAVES (IRMMW-THZ) SE International Conference on Infrared Millimeter and Terahertz Waves LA English DT Proceedings Paper CT 41st International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz) CY SEP 25-30, 2016 CL Copenhagen, DENMARK SP DTU, IEEE, QMC Instruments, Danish Ctr Laser Infrastructure, DTU Fotonik, Dept Photon Engn, ARL, CARLSBERG FDN, AF OFF SCI RES, Tech Univ Denmark, IEEE Microwave Theory & Tech Soc, Azpect Photon, Ekspla, Hubner HF Syst Engn, I2S, Laser Quantum, Menlo Syst, Neaspec, Springer, TeraView, Virginia Diodes ID SCATTERERS AB We describe experimental characterization of switchable THz metasurfaces using variable-angle broadband THz ellipsometry. A theoretical framework is used to extract surface susceptibility tensors as a function of frequency and applied DC bias. This will allow us to make a priori predictions of the performance of these devices for applications as metasurface active components. C1 [Karl, N.; Mendis, R.; Mittleman, D. M.] Brown Univ, Sch Engn, Providence, RI 02912 USA. [Heimbeck, M.; Everitt, H.] US Army AMRDEC, Huntsville, AL USA. [Chen, H. -T.; Taylor, A. J.] Los Alamos Natl Lab, CINT, Los Alamos, NM USA. [Benz, A.; Reno, J. L.; Brener, I.] Sandia Natl Labs, CINT, POB 5800, Albuquerque, NM 87185 USA. RP Karl, N (reprint author), Brown Univ, Sch Engn, Providence, RI 02912 USA. FU US Army Research Office; National Science Foundation FX We gratefully acknowledge partial support from the US Army Research Office and the National Science Foundation. NR 6 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 2162-2027 BN 978-1-4673-8485-8 J9 INT CONF INFRA MILLI PY 2016 PG 2 WC Engineering, Electrical & Electronic; Physics, Applied SC Engineering; Physics GA BG7KC UT WOS:000391406200419 ER PT S AU Keiser, GR Karl, N Tulloss, C Chen, HT Taylor, AJ Brener, I Benz, A Reno, JL Mittleman, DM AF Keiser, G. R. Karl, N. Tulloss, C. Chen, H. -T. Taylor, A. J. Brener, I. Benz, A. Reno, J. L. Mittleman, D. M. GP IEEE TI Electrically Modulated Nonlinear Terahertz Metamaterials SO 2016 41ST INTERNATIONAL CONFERENCE ON INFRARED, MILLIMETER, AND TERAHERTZ WAVES (IRMMW-THZ) SE International Conference on Infrared Millimeter and Terahertz Waves LA English DT Proceedings Paper CT 41st International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz) CY SEP 25-30, 2016 CL Copenhagen, DENMARK SP DTU, IEEE, QMC Instruments, Danish Ctr Laser Infrastructure, DTU Fotonik, Dept Photon Engn, ARL, CARLSBERG FDN, AF OFF SCI RES, Tech Univ Denmark, IEEE Microwave Theory & Tech Soc, Azpect Photon, Ekspla, Hubner HF Syst Engn, I2S, Laser Quantum, Menlo Syst, Neaspec, Springer, TeraView, Virginia Diodes AB We present an electrically modulated nonlinear metamaterial at terahertz frequencies. The device consists of a planar array of split-ring resonators (SRRs) fabricated on n-type GaAs. Increasing the incident THz field strength induces carriers in the GaAs substrate, shorting the SRR capacitive gap and modulating the MM resonance. The application of a 15V bias to the MM reduces the net field modulation by similar to 60%. C1 [Keiser, G. R.; Karl, N.; Tulloss, C.; Mittleman, D. M.] Brown Univ, Providence, RI 02906 USA. [Chen, H. -T.; Taylor, A. J.] Los Alamos Natl Lab, Los Alamos, NM USA. [Brener, I.; Benz, A.; Reno, J. L.] Sandia Natl Labs, POB 5800, Albuquerque, NM 87185 USA. RP Keiser, GR (reprint author), Brown Univ, Providence, RI 02906 USA. FU US National Science Foundation FX We gratefully acknowledge partial support for this project from the US National Science Foundation. NR 4 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 2162-2027 BN 978-1-4673-8485-8 J9 INT CONF INFRA MILLI PY 2016 PG 2 WC Engineering, Electrical & Electronic; Physics, Applied SC Engineering; Physics GA BG7KC UT WOS:000391406200418 ER PT S AU Khromova, I Kuzel, P Brener, I Reno, JL Seu, UCC Elissalde, C Mounaix, P Mitrofanov, O AF Khromova, Irina Kuzel, Petr Brener, Igal Reno, John L. Seu, U-Chan Chung Elissalde, Catherine Mounaix, Patrick Mitrofanov, Oleg GP IEEE TI Near-field THz time-domain spectroscopy of anisotropic dielectric micro-particles SO 2016 41ST INTERNATIONAL CONFERENCE ON INFRARED, MILLIMETER, AND TERAHERTZ WAVES (IRMMW-THZ) SE International Conference on Infrared Millimeter and Terahertz Waves LA English DT Proceedings Paper CT 41st International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz) CY SEP 25-30, 2016 CL Copenhagen, DENMARK SP DTU, IEEE, QMC Instruments, Danish Ctr Laser Infrastructure, DTU Fotonik, Dept Photon Engn, ARL, CARLSBERG FDN, AF OFF SCI RES, Tech Univ Denmark, IEEE Microwave Theory & Tech Soc, Azpect Photon, Ekspla, Hubner HF Syst Engn, I2S, Laser Quantum, Menlo Syst, Neaspec, Springer, TeraView, Virginia Diodes AB Using the near-field time-domain terahertz spectroscopy, we detect the splitting of magnetic dipole resonance mode in strongly anisotropic mono-crystalline TiO2 microspheres. By fitting the Fano resonance model to the experimental data, we extract the intrinsic resonant properties of the microspheres and characterise their constituent dielectric material. C1 [Khromova, Irina] Kings Coll London, Dept Phys, London, England. [Khromova, Irina] ITMO Univ, Chair Nanophoton & Metamat, St Petersburg, Russia. [Kuzel, Petr] Acad Sci Czech Republic, Prague, Czech Republic. [Brener, Igal; Reno, John L.; Mitrofanov, Oleg] Sandia Natl Labs, Ctr Integrated Nanotechnol, Livermore, CA 94550 USA. [Brener, Igal; Reno, John L.] Sandia Natl Labs, Livermore, CA USA. [Seu, U-Chan Chung; Elissalde, Catherine] Univ Bordeaux, ICMCB, Bordeaux, France. [Mounaix, Patrick] Univ Bordeaux, IMS, Bordeaux, France. [Mitrofanov, Oleg] UCL, Dept Elect & Elect Engn, London, England. RP Khromova, I (reprint author), Kings Coll London, Dept Phys, London, England.; Khromova, I (reprint author), ITMO Univ, Chair Nanophoton & Metamat, St Petersburg, Russia. EM irina.khromova@kcl.ac.uk RI Mitrofanov, Oleg/C-1938-2008; Kuzel, Petr/G-6006-2014 OI Mitrofanov, Oleg/0000-0003-3510-2675; FU Royal Society [UF130493]; RFBR [16-07-01166, 14-22-02064-ofi-m]; Czech Science Foundation [14-25639S]; Investissements d Avenir programme of the French government [ANR-10-LABX-42, ANR-10-IDEX-03-02]; Government of the Russian Federation [074-U01, GZ 3.561.2014/K]; U.S. Department of Energy [DE-AC04-94AL85000] FX This work is supported by the Royal Society [Grant No. UF130493], RFBR [16-07-01166 and 14-22-02064-ofi-m], the Czech Science Foundation (project 14-25639S), LabEx AMADEus (ANR-10-LABX-42) in the framework of IdEx Bordeaux (ANR-10-IDEX-03-02)/i.e./the Investissements d Avenir programme of the French government managed by the Agence Nationale de la Recherche, and partially supported by the Government of the Russian Federation [Grant No. 074-U01 and GZ 3.561.2014/K]. This work was performed at UCL and, in part, at the Center for Integrated Nanotechnologies, a U.S. Department of Energy, Office of Basic Energy Sciences user facility. Sandia National Laboratories is a multi-program laboratory managed and operated by Sandia Corporation, a wholly owned subsidiary of Lockheed Martin Corporation, for the U.S. Department of Energy's National Nuclear Security Administration under contract DE-AC04-94AL85000. NR 7 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 2162-2027 BN 978-1-4673-8485-8 J9 INT CONF INFRA MILLI PY 2016 PG 2 WC Engineering, Electrical & Electronic; Physics, Applied SC Engineering; Physics GA BG7KC UT WOS:000391406200381 ER PT S AU Kovalev, S Green, B Awari, N Fisher, AS Stojanovic, N Gensch, M AF Kovalev, S. Green, B. Awari, N. Fisher, A. S. Stojanovic, N. Gensch, M. GP IEEE TI High-field High-repetition-rate prototype user facility for the coherent THz control of Matter SO 2016 41ST INTERNATIONAL CONFERENCE ON INFRARED, MILLIMETER, AND TERAHERTZ WAVES (IRMMW-THZ) SE International Conference on Infrared Millimeter and Terahertz Waves LA English DT Proceedings Paper CT 41st International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz) CY SEP 25-30, 2016 CL Copenhagen, DENMARK SP DTU, IEEE, QMC Instruments, Danish Ctr Laser Infrastructure, DTU Fotonik, Dept Photon Engn, ARL, CARLSBERG FDN, AF OFF SCI RES, Tech Univ Denmark, IEEE Microwave Theory & Tech Soc, Azpect Photon, Ekspla, Hubner HF Syst Engn, I2S, Laser Quantum, Menlo Syst, Neaspec, Springer, TeraView, Virginia Diodes AB A new class of accelerator based terahertz user facilities is presented in this paper. The prototype facility operates two superradiant THz sources in parallel providing simultaneously single cycle and multicycle THz pulses with an unprecedented combination of high field and high repetition rate. The THz generation is based on superradiant enhancement of radiation generated by relativistic electron bunches from a compact SRF technology-based MeV level electron accelerator. The currently achieved peak performance yields 2 uJ pulse energy at 100 kHz repetition rate. However, pulse energy and repetition rates are highly scalable and once fully operational the prototype facility will routinely provide up to 100 uJ energies at repetition rates of few 100 kHz. C1 [Kovalev, S.; Green, B.; Awari, N.; Gensch, M.] HZDR, D-01328 Dresden, Germany. [Fisher, A. S.] SLAC, Menlo Pk, CA 94025 USA. [Stojanovic, N.] DESY, D-22607 Hamburg, Germany. RP Kovalev, S (reprint author), HZDR, D-01328 Dresden, Germany. NR 2 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 2162-2027 BN 978-1-4673-8485-8 J9 INT CONF INFRA MILLI PY 2016 PG 2 WC Engineering, Electrical & Electronic; Physics, Applied SC Engineering; Physics GA BG7KC UT WOS:000391406200541 ER PT S AU Mitrofanov, O Thompson, RJ Siday, T Brener, I Luk, TS Reno, JL AF Mitrofanov, Oleg Thompson, Robert J. Siday, Tom Brener, Igal Luk, Ting Shan Reno, John L. GP IEEE TI Nanostructured photoconductive terahertz detector for near-field microscopy SO 2016 41ST INTERNATIONAL CONFERENCE ON INFRARED, MILLIMETER, AND TERAHERTZ WAVES (IRMMW-THZ) SE International Conference on Infrared Millimeter and Terahertz Waves LA English DT Proceedings Paper CT 41st International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz) CY SEP 25-30, 2016 CL Copenhagen, DENMARK SP DTU, IEEE, QMC Instruments, Danish Ctr Laser Infrastructure, DTU Fotonik, Dept Photon Engn, ARL, CARLSBERG FDN, AF OFF SCI RES, Tech Univ Denmark, IEEE Microwave Theory & Tech Soc, Azpect Photon, Ekspla, Hubner HF Syst Engn, I2S, Laser Quantum, Menlo Syst, Neaspec, Springer, TeraView, Virginia Diodes AB We demonstrate that a nanostructured terahertz (THz) photoconductive detector enables sampling of THz fields localized on micrometer scale. The nanostructure, consisting of an optical nanoantenna array and a distributed Bragg reflector, acts as a hybrid cavity, which traps optical gate pulses within an optically thin photoconductive layer of the THz detector. This allows us to detect highly confined (< 1 mu m) evanescent THz fields. By monolithically integrating this THz detector with apertures ranging from 2 mu m to 5 mu m we achieve higher spatial resolution and higher sensitivity in aperture-type THz near-field microscopy and THz time-domain spectroscopy. C1 [Mitrofanov, Oleg; Thompson, Robert J.; Siday, Tom] UCL, Elect & Elect Engn, London WC1E 7JE, England. [Mitrofanov, Oleg; Brener, Igal; Luk, Ting Shan; Reno, John L.] Sandia Natl Labs, Ctr Integrated Nanotechnol, POB 5800, Albuquerque, NM 87185 USA. [Brener, Igal; Luk, Ting Shan; Reno, John L.] Sandia Natl Labs, Albuquerque, NM 87185 USA. RP Mitrofanov, O (reprint author), UCL, Elect & Elect Engn, London WC1E 7JE, England.; Mitrofanov, O (reprint author), Sandia Natl Labs, Ctr Integrated Nanotechnol, POB 5800, Albuquerque, NM 87185 USA. RI Mitrofanov, Oleg/C-1938-2008 OI Mitrofanov, Oleg/0000-0003-3510-2675 FU Royal Society [U130493]; Government of the Russian Federation [074-U01]; Russian Foundation for Basic Research [14-07-31272]; EPSRC [EP/L015277/1]; U.S. Department of Energy's National Nuclear Security Administration [DE-AC04-94AL85000] FX This work was supported in part by the Royal Society under Grant U130493, by the Government of the Russian Federation under Grant No. 074-U01 and the Russian Foundation for Basic Research under Grant No. 14-07-31272, and by EPSRC under Grant EP/L015277/1. The work was performed at UCL and, in part, at the Center for Integrated Nanotechnologies, a U.S. Department of Energy, Office of Basic Energy Sciences user facility. Sandia National Laboratories is a multi-program laboratory managed and operated by Sandia Corporation, a wholly owned subsidiary of Lockheed Martin Corporation, for the U.S. Department of Energy's National Nuclear Security Administration under contract DE-AC04-94AL85000. NR 6 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 2162-2027 BN 978-1-4673-8485-8 J9 INT CONF INFRA MILLI PY 2016 PG 2 WC Engineering, Electrical & Electronic; Physics, Applied SC Engineering; Physics GA BG7KC UT WOS:000391406200411 ER PT S AU Xu, LY Curwen, C Chen, QS Reno, J Itoh, T Williams, BS AF Xu, Luyao Curwen, Christopher Chen, Qisheng Reno, John Itoh, Tatsuo Williams, Benjamin S. GP IEEE TI Metasurface quantum-cascade VECSELs from 2.5-3.5 THz SO 2016 41ST INTERNATIONAL CONFERENCE ON INFRARED, MILLIMETER, AND TERAHERTZ WAVES (IRMMW-THZ) SE International Conference on Infrared Millimeter and Terahertz Waves LA English DT Proceedings Paper CT 41st International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz) CY SEP 25-30, 2016 CL Copenhagen, DENMARK SP DTU, IEEE, QMC Instruments, Danish Ctr Laser Infrastructure, DTU Fotonik, Dept Photon Engn, ARL, CARLSBERG FDN, AF OFF SCI RES, Tech Univ Denmark, IEEE Microwave Theory & Tech Soc, Azpect Photon, Ekspla, Hubner HF Syst Engn, I2S, Laser Quantum, Menlo Syst, Neaspec, Springer, TeraView, Virginia Diodes AB We have demonstrated THz quantum-cascade metasurface vertical external cavity surface emitting lasers (VECSELs) using a variety of metasurfaces. The dependence of the laser spectrum on the metasurface design parameters is analyzed via simulation and experiment. C1 [Xu, Luyao; Curwen, Christopher; Itoh, Tatsuo; Williams, Benjamin S.] Univ Calif Los Angeles, Los Angeles, CA 90095 USA. [Xu, Luyao; Curwen, Christopher] Univ Calif Los Angeles, Calif NanoSyst Inst CNSI, Los Angeles, CA 90095 USA. [Chen, Qisheng] Northrop Grumman Aerosp Syst, Redondo Beach, CA 90278 USA. [Reno, John] Sandia Natl Labs, Ctr Integrated Nanotechnol, POB 5800, Albuquerque, NM 87185 USA. RP Xu, LY (reprint author), Univ Calif Los Angeles, Los Angeles, CA 90095 USA.; Xu, LY (reprint author), Univ Calif Los Angeles, Calif NanoSyst Inst CNSI, Los Angeles, CA 90095 USA. FU National Science Foundation (NSF) [1150071, 1407711]; National Aeronautics and Space Administration (NASA) [NNX16AC73G]; U.S. Department of Energy's National Nuclear Security Administration [DE-AC04-94AL85000] FX This work was partially funded by the National Science Foundation (NSF) (1150071, 1407711), National Aeronautics and Space Administration (NASA) (NNX16AC73G). This work was performed, in part, at the Center for Integrated Nanotechnologies, an Office of Science User Facility operated for the U.S. Department of Energy (DOE) Office of Science. Sandia National Laboratories is a multi-program laboratory managed and operated by Sandia Corporation, a wholly owned subsidiary of Lockheed Martin Corporation, for the U.S. Department of Energy's National Nuclear Security Administration under contract DE-AC04-94AL85000. NR 1 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 2162-2027 BN 978-1-4673-8485-8 J9 INT CONF INFRA MILLI PY 2016 PG 2 WC Engineering, Electrical & Electronic; Physics, Applied SC Engineering; Physics GA BG7KC UT WOS:000391406200251 ER PT J AU Gao, WW Reis, R Schelhas, L Pool, VVL Toney, M Yu, KM Walukiewicz, W AF Gao, Weiwei Reis, Roberto Schelhas, Laura Pool, Vanessa Vanessa L. Toney, Michael Yu, Kin Man Walukiewicz, Wladek GP IEEE TI Formation of Nanoscale Composites o fCompound Semiconductors Driven by Charge Transfer SO 2016 COMPOUND SEMICONDUCTOR WEEK (CSW) INCLUDES 28TH INTERNATIONAL CONFERENCE ON INDIUM PHOSPHIDE & RELATED MATERIALS (IPRM) & 43RD INTERNATIONAL SYMPOSIUM ON COMPOUND SEMICONDUCTORS (ISCS) LA English DT Proceedings Paper CT 28th International Conference on Indium Phosphide & Related Materials (IPRM) / 43rd International Symposium on Compound Semiconductors (ISCS) CY JUN 26-30, 2016 CL Toyama, JAPAN C1 [Gao, Weiwei; Reis, Roberto; Yu, Kin Man; Walukiewicz, Wladek] Lawrence Berkeley Natl Lab, Div Mat Sci, Berkeley, CA 94720 USA. [Reis, Roberto] Lawrence Berkeley Natl Lab, Natl Ctr Electron Microscopy, Mol Foundry, Berkeley, CA USA. [Schelhas, Laura; Pool, Vanessa Vanessa L.; Toney, Michael] SLAC Natl Accelerator Lab, Stanford Synchrotron Radiat Lightsource, Menlo Pk, CA USA. [Yu, Kin Man] City Univ Hong Kong, Dept Phys & Mat Sci, Hong Kong, Hong Kong, Peoples R China. RP Gao, WW (reprint author), Lawrence Berkeley Natl Lab, Div Mat Sci, Berkeley, CA 94720 USA. NR 0 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA BN 978-1-5090-1964-9 PY 2016 PG 1 WC Engineering, Electrical & Electronic; Materials Science, Multidisciplinary SC Engineering; Materials Science GA BG8HP UT WOS:000392285400224 ER PT J AU Sukrittanon, S Liu, R Pan, JL Jungjohann, KL Dayeh, SA Tu, CW AF Sukrittanon, Supanee Liu, Ren Pan, Janet L. Jungjohann, Katherine L. Dayeh, Shadi A. Tu, Charles W. GP IEEE TI Dilute-Nitride GaNP Planar and Core/Shell Microwire Solar Cells SO 2016 COMPOUND SEMICONDUCTOR WEEK (CSW) INCLUDES 28TH INTERNATIONAL CONFERENCE ON INDIUM PHOSPHIDE & RELATED MATERIALS (IPRM) & 43RD INTERNATIONAL SYMPOSIUM ON COMPOUND SEMICONDUCTORS (ISCS) LA English DT Proceedings Paper CT 28th International Conference on Indium Phosphide & Related Materials (IPRM) / 43rd International Symposium on Compound Semiconductors (ISCS) CY JUN 26-30, 2016 CL Toyama, JAPAN C1 [Sukrittanon, Supanee; Dayeh, Shadi A.; Tu, Charles W.] Univ Calif San Diego, Grad Program Mat Sci & Engn, San Diego, CA 92103 USA. [Liu, Ren; Pan, Janet L.; Dayeh, Shadi A.; Tu, Charles W.] Univ Calif San Diego, Dept Elect & Comp Engn, San Diego, CA 92103 USA. [Jungjohann, Katherine L.] Sandia Natl Labs, Ctr Integrated Nanotechnol, Livermore, CA 94550 USA. RP Sukrittanon, S (reprint author), Univ Calif San Diego, Grad Program Mat Sci & Engn, San Diego, CA 92103 USA. NR 0 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA BN 978-1-5090-1964-9 PY 2016 PG 1 WC Engineering, Electrical & Electronic; Materials Science, Multidisciplinary SC Engineering; Materials Science GA BG8HP UT WOS:000392285400206 ER PT J AU Yu, KM Liu, CP Ho, CY Foo, YS Kamruzzaman, M Zapien, JA Gao, WW Walukiewicz, W AF Yu, Kin Man Liu, Chaoping Ho, Chun Yuen Foo, Yishu Kamruzzaman, M. Zapien, Juan Antonio Gao, Weiwei Walukiewicz, Wladek GP IEEE TI Transparent Conducting Amorphous CdO-Ga2O3 Films Synthesized by Room Temperature Sputtering SO 2016 COMPOUND SEMICONDUCTOR WEEK (CSW) INCLUDES 28TH INTERNATIONAL CONFERENCE ON INDIUM PHOSPHIDE & RELATED MATERIALS (IPRM) & 43RD INTERNATIONAL SYMPOSIUM ON COMPOUND SEMICONDUCTORS (ISCS) LA English DT Proceedings Paper CT 28th International Conference on Indium Phosphide & Related Materials (IPRM) / 43rd International Symposium on Compound Semiconductors (ISCS) CY JUN 26-30, 2016 CL Toyama, JAPAN C1 [Yu, Kin Man; Liu, Chaoping; Ho, Chun Yuen; Foo, Yishu; Kamruzzaman, M.; Zapien, Juan Antonio] City Univ Hong Kong, Dept Phys & Mat Sci, Hong Kong, Hong Kong, Peoples R China. [Gao, Weiwei; Walukiewicz, Wladek] Lawrence Berkeley Natl Lab, Div Mat Sci, Berkeley, CA USA. RP Yu, KM (reprint author), City Univ Hong Kong, Dept Phys & Mat Sci, Hong Kong, Hong Kong, Peoples R China. NR 0 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA BN 978-1-5090-1964-9 PY 2016 PG 1 WC Engineering, Electrical & Electronic; Materials Science, Multidisciplinary SC Engineering; Materials Science GA BG8HP UT WOS:000392285400223 ER PT J AU Wohlberg, B AF Wohlberg, Brendt GP IEEE TI CONVOLUTIONAL SPARSE REPRESENTATIONS AS AN IMAGE MODEL FOR IMPULSE NOISE RESTORATION SO 2016 IEEE 12TH IMAGE, VIDEO, AND MULTIDIMENSIONAL SIGNAL PROCESSING WORKSHOP (IVMSP) LA English DT Proceedings Paper CT 12th IEEE Image, Video, and Multidimensional Signal Processing Workshop (IVMSP) CY JUL 11-12, 2016 CL Bordeaux, FRANCE SP IEEE DE Sparse Representation; Convolutional Sparse Coding; Salt-and-Pepper Noise ID REMOVAL; REGULARIZATION AB Standard sparse representations, applied independently to a set of overlapping image blocks, are a very effective approach to a wide variety of image reconstruction problems. Convolutional sparse representations, which provide a single-valued representation optimised over an entire image, provide an alternative form of sparse representation that has recently started to attract interest for image reconstruction problems. The present paper provides some insight into the suitability of the convolutional form for this type of application by comparing its performance as an image model with that of the standard model in an impulse noise restoration problem. C1 [Wohlberg, Brendt] Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA. RP Wohlberg, B (reprint author), Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA. FU U.S. Department of Energy via the LANL/LDRD Program; UC Lab Fees Research [12-LR-236660] FX This research was supported by the U.S. Department of Energy via the LANL/LDRD Program, and by UC Lab Fees Research grant 12-LR-236660. NR 16 TC 0 Z9 0 U1 1 U2 1 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA BN 978-1-5090-1929-8 PY 2016 PG 5 WC Computer Science, Theory & Methods; Engineering, Electrical & Electronic SC Computer Science; Engineering GA BG8FJ UT WOS:000392266500035 ER PT J AU Rios-Torres, J Malikopoulos, A AF Rios-Torres, Jackeline Malikopoulos, Andreas GP IEEE TI An Overview of Driver Feedback Systems for Efficiency and Safety SO 2016 IEEE 19TH INTERNATIONAL CONFERENCE ON INTELLIGENT TRANSPORTATION SYSTEMS (ITSC) LA English DT Proceedings Paper CT 19th IEEE International Conference on Intelligent Transportation Systems (ITSC) CY NOV 01-04, 2016 CL Rio de Janeiro, BRAZIL SP IEEE ID DRIVING ASSISTANCE SYSTEM; ELECTRIC VEHICLES; PROFILE OPTIMIZATION; ENERGY MANAGEMENT; FUEL-ECONOMY; COMMUNICATION; PATHWAY; TIME AB Driver feedback systems have the potential to improve driving safety and efficiency by providing instructions to drivers aimed at improving their driving style. There is already a rich body of available literature devoted to the derivation of energy efficient speed profiles to develop driver feedback or eco-driving systems. While most of them can be applied to any type of vehicle, their effectiveness will be maximized if their formulation involves the dynamics of the particular vehicle powertrain configuration. This paper summarizes the research trends in the development of these systems that have been reported in the literature to date classifying them according to the powertrain structure and the nature of the control strategy. The study concludes with a discussion on the remaining challenges and potential future research directions. C1 [Rios-Torres, Jackeline; Malikopoulos, Andreas] Oak Ridge Natl Lab, Energy & Transportat Sci Div, Oak Ridge, TN 37831 USA. RP Rios-Torres, J (reprint author), Oak Ridge Natl Lab, Energy & Transportat Sci Div, Oak Ridge, TN 37831 USA. EM riostorresj@ornl.gov; andreas@ornl.gov FU US Department of Energy [DE-AC05-00OR22725]; Oak Ridge National Laboratory, Oak Ridge [TN 37831 USA] FX This manuscript has been authored by UT-Battelle, LLC, under contract DE-AC05-00OR22725 with the US Department of Energy. The US government retains and the publisher, by accepting the article for publication, acknowledges that the US government retains a nonexclusive, paid-up, irrevocable, worldwide license to publish or reproduce the published form of this manuscript, or allow others to do so, for US government purposes.; This work was supported by the Laboratory Directed Research and Development program of the Oak Ridge National Laboratory, Oak Ridge, TN 37831 USA, managed by UT-Battelle, LLC, for the US Department of Energy (DOE), and in part by UT-Battelle, LLC, through DOE contract DE-AC05-00OR22725. This support is gratefully acknowledged. NR 62 TC 0 Z9 0 U1 1 U2 1 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA BN 978-1-5090-1889-5 PY 2016 BP 667 EP 674 PG 8 WC Transportation Science & Technology SC Transportation GA BG8CR UT WOS:000392215500104 ER PT J AU Borysov, S Lourenco, M Rodrigues, F Balatsky, A Pereira, F AF Borysov, Stanislav Lourenco, Mariana Rodrigues, Filipe Balatsky, Alexander Pereira, Francisco GP IEEE TI Using Internet Search Queries to Predict Human Mobility in Social Events SO 2016 IEEE 19TH INTERNATIONAL CONFERENCE ON INTELLIGENT TRANSPORTATION SYSTEMS (ITSC) LA English DT Proceedings Paper CT 19th IEEE International Conference on Intelligent Transportation Systems (ITSC) CY NOV 01-04, 2016 CL Rio de Janeiro, BRAZIL SP IEEE AB While our transport systems are generally designed for habitual behavior, the dynamics of large and mega cities systematically push it to its limits. Particularly, transport planning and operations in large events are well known to be a challenge. Not only they imply stress to the system on an irregular basis, their associated mobility behavior is also difficult to predict. Previous studies have shown a strong correlation between number of public transport arrivals with the semi-structured data mined from online announcement websites. However, these models tend to be complex in form and demand substantial information retrieval, extraction and data cleaning work, and so they are difficult to generalize from city to city. In contrast, this paper focuses on enriching previously mined information about special events using automated web search queries. Since this context data comes in unstructured natural language form, we employ supervised topic model to correlate it with real measurements of transport usage. In this way, the proposed approach is more generic and a transit agency can start planning ahead as early as the event is announced on the web. The results show that using information mined from the web search not only shows high prediction accuracy of public transport demand, but also potentially provides interesting insights about popular event categories based on extracted topics. C1 [Borysov, Stanislav; Lourenco, Mariana] Singapore Massachusetts Inst Technol MIT Alliance, Singapore, Singapore. [Borysov, Stanislav; Balatsky, Alexander] KTH Royal Inst Technol, Nordita, Stockholm, Sweden. [Borysov, Stanislav; Balatsky, Alexander] Stockholm Univ, Stockholm, Sweden. [Rodrigues, Filipe; Pereira, Francisco] DTU Tech Univ Denmark, Lyngby, Denmark. [Balatsky, Alexander] Los Alamos Natl Lab, Inst Mat Sci, Los Alamos, NM USA. [Pereira, Francisco] MIT, ITS Lab, 77 Massachusetts Ave, Cambridge, MA 02139 USA. RP Borysov, S (reprint author), Singapore Massachusetts Inst Technol MIT Alliance, Singapore, Singapore.; Borysov, S (reprint author), KTH Royal Inst Technol, Nordita, Stockholm, Sweden.; Borysov, S (reprint author), Stockholm Univ, Stockholm, Sweden. OI Pereira, Francisco Camara/0000-0001-5457-9909 NR 22 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA BN 978-1-5090-1889-5 PY 2016 BP 1342 EP 1347 PG 6 WC Transportation Science & Technology SC Transportation GA BG8CR UT WOS:000392215500210 ER PT J AU Faizian, P Rahman, MS Mollah, MA Yuan, X Pakin, S Lang, MK AF Faizian, Peyman Rahman, Md Shafayat Mollah, Md Atiqul Yuan, Xin Pakin, Scott Lang, Mike GP IEEE TI Traffic Pattern-based Adaptive Routing for Intra-group Communication in Dragonfly Networks SO 2016 IEEE 24TH ANNUAL SYMPOSIUM ON HIGH-PERFORMANCE INTERCONNECTS (HOTI) LA English DT Proceedings Paper CT 24th IEEE Annual Symposium on High-Performance Interconnects (HOTI) CY AUG 24-26, 2016 CL HUAWEI, Santa Clara, CA SP IEEE, IEEE Comp Soc, Algo Log, Lenovo, Mellanox, Warthman Associates HO HUAWEI AB The Cray Cascade architecture uses Dragonfly as its interconnect topology and employs a globally adaptive routing scheme called UGAL. UGAL directs traffic based on link loads but may make inappropriate adaptive routing decisions in various situations, which degrades its performance. In this work, we propose to improve UGAL by incorporating a traffic pattern-based adaptation mechanism for intra-group communication in Dragonfly. The idea is to explicitly use the link usage statistics that are collected in performance counters to infer the traffic pattern, and to take the inferred traffic pattern plus link loads into consideration when making adaptive routing decisions. Our performance evaluation results on a diverse set of traffic conditions indicate that by incorporating the traffic pattern-based adaptation mechanism, our scheme is more effective in making adaptive routing decisions and achieves lower latency under low load and higher throughput under high load than the existing UGAL in many situations. C1 [Faizian, Peyman; Rahman, Md Shafayat; Mollah, Md Atiqul; Yuan, Xin] Florida State Univ, Dept Comp Sci, Tallahassee, FL 32306 USA. [Pakin, Scott; Lang, Mike] Los Alamos Natl Lab, Comp Computat & Stat Sci Div, Los Alamos, NM USA. RP Faizian, P (reprint author), Florida State Univ, Dept Comp Sci, Tallahassee, FL 32306 USA. EM faizian@cs.fsu.edu; rahman@cs.fsu.edu; mollah@cs.fsu.edu; xyuan@cs.fsu.edu; pakin@lanl.gov; mlang@lanl.gov FU U.S. Department of Energy, Office of Science, Office of Advanced Scientific Computing Research [0000219853, DE-SC0016039] FX This material is based upon work supported by the U.S. Department of Energy, Office of Science, Office of Advanced Scientific Computing Research, under Award Numbers 0000219853 and DE-SC0016039. NR 11 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA BN 978-1-5090-2854-2 PY 2016 BP 19 EP 26 DI 10.1109/HOTI.2016.20 PG 8 WC Computer Science, Hardware & Architecture; Engineering, Electrical & Electronic SC Computer Science; Engineering GA BG8EB UT WOS:000392263100003 ER PT J AU Gioiosa, R Warfel, T Yin, J Tumeo, A Haglin, D AF Gioiosa, Roberto Warfel, Thomas Yin, Jian Tumeo, Antonino Haglin, David GP IEEE TI Exploring Data Vortex Network Architectures SO 2016 IEEE 24TH ANNUAL SYMPOSIUM ON HIGH-PERFORMANCE INTERCONNECTS (HOTI) LA English DT Proceedings Paper CT 24th IEEE Annual Symposium on High-Performance Interconnects (HOTI) CY AUG 24-26, 2016 CL HUAWEI, Santa Clara, CA SP IEEE, IEEE Comp Soc, Algo Log, Lenovo, Mellanox, Warthman Associates HO HUAWEI ID INTERCONNECTION NETWORK; SWITCH AB In this work, we present an overview of the Data Vortex interconnection network, a network designed for both traditional HPC and emerging irregular and data analytics workloads. The Data Vortex network consists of a congestion-free, high-radix network switch and a Vortex Interconnection Controller (VIC) that interfaces the compute node with the rest of the network. The Data Vortex network is designed to transfer fine-grained network packets at a high injection rate, without congestioning the network or negatively impacting performance. Our results show that the Data Vortex networks is more efficient than traditional HPC networks with fine-grained data transfers. Moreover, our experiments show that a Data Vortex system achieves higher scalability even when using global synchronization primitives. C1 [Gioiosa, Roberto; Warfel, Thomas; Yin, Jian; Tumeo, Antonino; Haglin, David] Pacific Northwest Natl Lab, Richland, WA 99352 USA. RP Gioiosa, R (reprint author), Pacific Northwest Natl Lab, Richland, WA 99352 USA. EM roberto.gioiosa@pnnl.gov; thomas.warfel@pnnl.gov; jian.yin@pnnl.gov; antonino.tumeo@pnnl.gov; david.haglin@pnnl.gov NR 13 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA BN 978-1-5090-2854-2 PY 2016 BP 84 EP 91 DI 10.1109/HOTI.2016.19 PG 8 WC Computer Science, Hardware & Architecture; Engineering, Electrical & Electronic SC Computer Science; Engineering GA BG8EB UT WOS:000392263100011 ER PT S AU Bolme, DS Tokola, RA Boehnen, CB Saul, TB Sauerwein, KA Steadman, DW AF Bolme, David S. Tokola, Ryan A. Boehnen, Chris B. Saul, Tiffany B. Sauerwein, Kelly A. Steadman, Dawnie Wolfe GP IEEE TI Impact of environmental factors on biometric matching during human decomposition SO 2016 IEEE 8TH INTERNATIONAL CONFERENCE ON BIOMETRICS THEORY, APPLICATIONS AND SYSTEMS (BTAS) SE International Conference on Biometrics Theory Applications and Systems LA English DT Proceedings Paper CT 8th IEEE International Conference on Biometrics - Theory, Applications and Systems (BTAS) CY SEP 06-09, 2016 CL Niagara Falls, NY SP IEEE, NVIDIA, Safran Ident & Secur, Cognitec, IBM Res, Progeny Syst Corp, IEEE Biometr Council ID MUMMIFIED FINGERS; DECAY-RATES AB Automatic recognition systems are valuable tools for identifying unknown deceased individuals. Immediately after death, fingerprint and face biometric samples are easy to collect using standard sensors and can be easily matched to antemortem biometric samples. Even though early postmortem fingerprints and facial images have been used for identification purposes for decades, there are no studies that track these biometrics through the later stages of decomposition to determine the length of time they remain viable. This paper discusses a multimodal dataset of fingerprints, faces, and irises from twelve donated human subjects that decomposed outdoors under natural conditions. Results include predictive models relating time and temperature, measured as Accumulated Degree Days (ADD), and season (winter, spring, summer), to the probability of automatic verification using a commercial algorithm. C1 [Bolme, David S.; Tokola, Ryan A.; Boehnen, Chris B.] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA. [Saul, Tiffany B.; Sauerwein, Kelly A.; Steadman, Dawnie Wolfe] Univ Tennessee, Dept Anthropol, Knoxville, TN 37996 USA. RP Bolme, DS (reprint author), Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA. EM bolmeds@ornl.gov; tokolara@ornl.gov; boehnencb@ornl.gov; tsaul@vols.utk.edu; ksauerwe@vols.utk.edu; osteo@utk.edu FU LLC [DE-AC05-000R22725]; U.S. Department of Energy; DOE Public Access Plan FX This manuscript has been authored by UT-Battelle, LLC under Contract No. DE-AC05-000R22725 with the U.S. Department of Energy. The United States Government retains and the publisher, by accepting the article for publication, acknowledges that the United States Government retains a non-exclusive, paid-up, irrevocable, world-wide license to publish or reproduce the published form of this manuscript, or allow others to do so, for United States Government purposes. The Department of Energy will provide public access to these results of federally sponsored research in accordance with the DOE Public Access Plan. NR 23 TC 0 Z9 0 U1 1 U2 1 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 2474-9680 BN 978-1-4673-9733-9 J9 INT CONF BIOMETR THE PY 2016 PG 8 WC Mathematical & Computational Biology SC Mathematical & Computational Biology GA BG8CT UT WOS:000392217100024 ER PT J AU DeRose, CT Gehl, M Long, C Boynton, N Martinez, N Pomerene, A Starbuck, A Dallo, C Hood, D Douglas, E Trotter, D Davids, P Lentine, A AF DeRose, Christopher T. Gehl, M. Long, C. Boynton, N. Martinez, N. Pomerene, A. Starbuck, A. Dallo, C. Hood, D. Douglas, E. Trotter, D. Davids, P. Lentine, A. GP IEEE TI Radio Frequency Silicon Photonics at Sandia National Laboratories SO 2016 IEEE AVIONICS AND VEHICLE FIBER-OPTICS AND PHOTONICS CONFERENCE (AVFOP) LA English DT Proceedings Paper CT IEEE Avionics and Vehicle Fiber-Optics and Photonics Conference (AVFOP) CY OCT 31-NOV 03, 2016 CL Long Beach, CA SP IEEE, Georgia Tech Res Inst ID WAVE-GUIDE; MODULATOR AB Sandia National Laboratories has developed a toolkit of RF photonic devices. These devices have been used in the development of multielement RF photonic circuits ad in support of MPW runs. In this talk I will discuss Sandia's silicon photonic process and RF photonic device performance. C1 [DeRose, Christopher T.; Gehl, M.; Long, C.; Boynton, N.; Martinez, N.; Pomerene, A.; Starbuck, A.; Dallo, C.; Hood, D.; Douglas, E.; Trotter, D.; Davids, P.; Lentine, A.] Sandia Natl Labs, Appl Photon Microsystm, Albuquerque, NM 87123 USA. RP DeRose, CT (reprint author), Sandia Natl Labs, Appl Photon Microsystm, Albuquerque, NM 87123 USA. EM cderose@sandia.gov FU Lockheed Martin Corporation, for the U.S. Department of Energy's National Nuclear Security Administration [DE-AC04-94AL85000] FX Sandia National Laboratories is a multi-mission laboratory managed and operated by Sandia Corporation, a wholly owned subsidiary of Lockheed Martin Corporation, for the U.S. Department of Energy's National Nuclear Security Administration under contract DE-AC04-94AL85000. NR 20 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA BN 978-1-5090-1599-3 PY 2016 PG 2 WC Engineering, Electrical & Electronic; Optics SC Engineering; Optics GA BG8CN UT WOS:000392211700006 ER PT J AU Gehl, M Trotter, D Starbuck, A Pomerene, A Lentine, AL DeRose, C AF Gehl, M. Trotter, D. Starbuck, A. Pomerene, A. Lentine, A. L. DeRose, C. GP IEEE TI Active Phase Correction of Compact, High Resolution Silicon Photonic Arrayed Waveguide Gratings SO 2016 IEEE AVIONICS AND VEHICLE FIBER-OPTICS AND PHOTONICS CONFERENCE (AVFOP) LA English DT Proceedings Paper CT IEEE Avionics and Vehicle Fiber-Optics and Photonics Conference (AVFOP) CY OCT 31-NOV 03, 2016 CL Long Beach, CA SP IEEE, Georgia Tech Res Inst AB We demonstrate compact silicon photonic arrayed waveguide gratings with channel spacing down to 1 GHz using active phase correction. The relative phase of each path within the device is directly measured using an interferometer, and two methods of phase optimization are implemented and compared. C1 [Gehl, M.; Trotter, D.; Starbuck, A.; Pomerene, A.; Lentine, A. L.; DeRose, C.] Sandia Natl Labs, Appl Photon Microsyst, Albuquerque, NM 87123 USA. RP Gehl, M (reprint author), Sandia Natl Labs, Appl Photon Microsyst, Albuquerque, NM 87123 USA. FU [DE-AC04-94AL85000] FX Sandia is a multiprogram laboratory operated by Sandia Corporation, a Lockheed Martin Company, for the United States Department of Energy's National Nuclear Security Administration under contract DE-AC04-94AL85000. NR 6 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA BN 978-1-5090-1599-3 PY 2016 PG 2 WC Engineering, Electrical & Electronic; Optics SC Engineering; Optics GA BG8CN UT WOS:000392211700011 ER PT J AU Tauke-Pedretti, A AF Tauke-Pedretti, Anna GP IEEE TI Compound Semiconductor Integrated Photonics for Avionics SO 2016 IEEE AVIONICS AND VEHICLE FIBER-OPTICS AND PHOTONICS CONFERENCE (AVFOP) LA English DT Proceedings Paper CT IEEE Avionics and Vehicle Fiber-Optics and Photonics Conference (AVFOP) CY OCT 31-NOV 03, 2016 CL Long Beach, CA SP IEEE, Georgia Tech Res Inst AB This talk will focus on recent work done at Sandia National Laboratories in compound semiconductor integrated photonics relevant to avionics. Two technologies will be presented: Sandia's InP-based photonic integrated circuit platform which enables highly functional circuits and advanced heterogenous integration for microscale photovoltaic systems. C1 [Tauke-Pedretti, Anna] Sandia Natl Labs, POB 5800, Albuquerque, NM 87185 USA. RP Tauke-Pedretti, A (reprint author), Sandia Natl Labs, POB 5800, Albuquerque, NM 87185 USA. EM ataukep@sandia.gov FU U.S. Department of Energy's Laboratory Directed Research and Development (LDRD); Sandia is a multiprogram laboratory operated by Sandia Corporation, a Lockheed Martin Company, United States Department of Energy's National Nuclear Security Administration [DE-AC04-94AL85000] FX Part of this work was supported by the U.S. Department of Energy's Laboratory Directed Research and Development (LDRD) program at Sandia National Laboratories. Sandia is a multiprogram laboratory operated by Sandia Corporation, a Lockheed Martin Company, for the United States Department of Energy's National Nuclear Security Administration under contract DE-AC04-94AL85000. NR 7 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA BN 978-1-5090-1599-3 PY 2016 PG 2 WC Engineering, Electrical & Electronic; Optics SC Engineering; Optics GA BG8CN UT WOS:000392211700007 ER PT J AU Phaneuf, CR VanderNoot, VA Koh, CY AF Phaneuf, Christopher R. VanderNoot, Victoria A. Koh, Chung-Yan GP IEEE TI Portable Centrifugal Microfluidic System for Diagnostics in Resource-Limited Settings SO 2016 IEEE HEALTHCARE INNOVATION POINT-OF-CARE TECHNOLOGIES CONFERENCE (HI-POCT) LA English DT Proceedings Paper CT NIH-IEEE Strategic Conference on Healthcare Innovations and Point-of-Care (POC) Technologies CY NOV 09-11, 2016 CL Cancun, MEXICO SP IEEE, NIH ID PLATFORM AB The threats of disease outbreaks and exposure to biothreat agents, both accidental and intentional, demand field-deployable technology capable of rapid, sensitive, and accurate diagnosis. In order to address these public health concerns, we present a portable centrifugal microfluidic platform and demonstrate sensitive detection protein antigens, host response antibodies, and nucleic acids down to single digit starting copies. The nucleic acid detection utilizes an isothermal amplification via loop-mediated isothermal amplification (LAMP). The platform, which is composed of a compact optical system for laser induced fluorescence (LIF) detection, a quiet brushless motor, and an efficient non-contact heater, offers an easy-to-use system capable of performing sensitive biodetection in a constrained-resource environment. C1 [Phaneuf, Christopher R.; VanderNoot, Victoria A.; Koh, Chung-Yan] Sandia Natl Labs, Livermore, CA 94551 USA. RP VanderNoot, VA (reprint author), Sandia Natl Labs, Livermore, CA 94551 USA. EM crphane@sandia.gov; vavande@sandia.gov; ckoh@sandia.gov FU National Institute of Allergy and Infectious Diseases of the National Institutes of Health [R01AI098853]; U.S. Department of Energy's National Nuclear Security Administration [DEAC04- 94AL85000] FX This work was supported by the National Institute of Allergy and Infectious Diseases of the National Institutes of Health under Award Number R01AI098853. The content is solely the responsibility of the authors and does not necessarily represent the official views of the National Institutes of Health. Sandia National Laboratories is a multi -program laboratory managed and operated by Sandia Corporation, a wholly owned subsidiary of Lockheed Martin Corporation, for the U.S. Department of Energy's National Nuclear Security Administration under contract DEAC04- 94AL85000. NR 8 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA BN 978-1-5090-1166-7 PY 2016 BP 89 EP 91 PG 3 WC Engineering, Biomedical SC Engineering GA BG7XT UT WOS:000391944200021 ER PT S AU Read, S Papka, ME AF Read, Sarah Papka, Michael E. GP IEEE TI Improving Models of Document Cycling: Accounting for the Less Visible Writing Activities of an Annual Reporting Process at a Supercomputing Facility SO 2016 IEEE INTERNATIONAL PROFESSIONAL COMMUNICATION CONFERENCE (IPCC) SE IEEE International Professional Communication Conference (IPCC) LA English DT Proceedings Paper CT IEEE International Professional Communication Conference (IPCC) CY OCT 02-05, 2016 CL Austin, TX SP IEEE, Adobe Syst Inc, Univ Texas Austin, Cockrell Sch Engn, Mount Royal Univ, Fac Commun Studies, Informat Design, Kennesaw State Univ, Rose Hulman Inst Technol, Carnegie Mellon Univ, Dept English, IEEE USA, Texas State Univ, Int Project Management Assoc, Univ Toronto, Fac Appl Sci & Engn, Adobe Tech Commun DE Document cycling; operational assessment report; report writing; supercomputing; technical organization AB Conventional models of document cycling for periodic report writing in large organizations limit what is represented to the final stages of document manufacturing, such as drafting and editing, usually within an annual timeframe. This paper proposes a model of document cycling that represents a more diverse range of work activities across a broader range of timeframes, from hourly to annual. These activities include the inscription of data and the generation of reportable information. A more inclusive model of the document cycling process ascribes value to the less visible aspects of document cycling and visualizes how report writing activities are submerged into the regular operations of the facility. The data in this study was drawn from a larger ethnographic study of technical documentation and reporting processes at a federally funded supercomputing facility for scientific research. C1 [Read, Sarah] Depaul Univ, Dept Writing Rhetor & Discourse, Tech Sci & Profess Commun & Rhetor, Chicago, IL 60604 USA. [Papka, Michael E.] Argonne Natl Lab, Argonne Leadership Comp Facil, Argonne, IL 60439 USA. [Papka, Michael E.] Northern Illinois Univ, Comp Sci, De Kalb, IL 60115 USA. RP Read, S (reprint author), Depaul Univ, Dept Writing Rhetor & Discourse, Tech Sci & Profess Commun & Rhetor, Chicago, IL 60604 USA. EM sread@depaul.edu; papka@anl.gov FU DePaul University; U.S. Department of Energy, Office of Science under DOE [DE-AC02-06CH11357] FX The authors would like to acknowledge the support of DePaul University for a grant to cover transcription services for this research and the generosity of the staff at the supercomputing center who contributed their time and expertise to this research. MEP is supported in part by the U.S. Department of Energy, Office of Science under DOE Contract .DE-AC02-06CH11357 NR 8 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 2158-091X BN 978-1-5090-1761-4 J9 IEEE INT PROF COMMUN PY 2016 PG 10 WC Engineering, Multidisciplinary; Engineering, Electrical & Electronic SC Engineering GA BG8AH UT WOS:000392140900029 ER PT J AU Watkins, A Tragouodas, S AF Watkins, Adam Tragouodas, Spyros GP IEEE TI A Highly Robust Double Node Upset Tolerant Latch SO 2016 IEEE INTERNATIONAL SYMPOSIUM ON DEFECT AND FAULT TOLERANCE IN VLSI AND NANOTECHNOLOGY SYSTEMS (DFT) LA English DT Proceedings Paper CT 29th IEEE International Symposium on Defect and Fault Tolerance in VLSI and Nanotechnology Systems (DFT) CY SEP 19-20, 2016 CL Univ Connecticut, Storrs, CT SP IEEE, IEEE Comp Soc, IEEE Test Technol Tech Council, IEEE Fault Tolerant Compu Tech Comm HO Univ Connecticut ID DESIGN; TECHNOLOGY AB Due to technology scaling, radiation induced errors which cause a double node upset (DNU) have become more common in data storage elements. All current designs either suffer from high area and performance overhead or are vulnerable to an error after a DNU thus making them unsuitable for clock gating. A novel latch design is proposed in which all internal and external nodes are capable of recovering the previous value after a single or double node upset. The proposed latch offers higher speed, lower power consumption and lower area requirements compared to all existing DNU tolerant latches capable of recovering all nodes. C1 [Watkins, Adam] Los Alamos Natl Labs, Los Alamos, NM 87545 USA. [Tragouodas, Spyros] Southern Illinois Univ, Carbondale, IL 62901 USA. RP Watkins, A (reprint author), Los Alamos Natl Labs, Los Alamos, NM 87545 USA. EM acwatkins88@lanl.gov; spyros@engr.siu.edu FU NSF IIP [1432026, 1361847]; NSF I/UCRC for Embedded Systems at SIUC FX This research has been supported in part by grants NSF IIP 1432026, and NSF IIP 1361847 from the NSF I/UCRC for Embedded Systems at SIUC. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation. NR 15 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA BN 978-1-5090-3623-3 PY 2016 BP 15 EP 20 PG 6 WC Engineering, Electrical & Electronic; Nanoscience & Nanotechnology SC Engineering; Science & Technology - Other Topics GA BG8HZ UT WOS:000392297900004 ER PT J AU Tan, JWJ Song, SL Yan, KG Fu, X Marquez, A Kerbyson, D AF Tan, Jingweijia Song, Shuaiwen Leon Yan, Kaige Fu, Xin Marquez, Andres Kerbyson, Darren GP IEEE TI Combating the Reliability Challenge of GPU Register File at Low Supply Voltage SO 2016 INTERNATIONAL CONFERENCE ON PARALLEL ARCHITECTURE AND COMPILATION TECHNIQUES (PACT) LA English DT Proceedings Paper CT International Conference on Parallel Architectures and Compilation (PACT) CY SEP 11-15, 2016 CL Haifa, ISRAEL SP IEEE, IEEE Comp Soc, IFIP, NSF, Mellanox Technologies, IBM, Microsoft, NVidia, ARM, Google, HIPR, Intel, Assoc Comp Machinery SIGARCH, TCE, Israel Sci Fdn, Minist Sci Technol & Space, WeGreened com, Israel Europe R&D Directorate DE GPU Register File; Process Variation; Fault Patching; Low Voltage Design; Energy Efficiency AB Supply voltage reduction is an effective approach to significantly reduce GPU energy consumption. As the largest on-chip storage structure, the GPU register file becomes the reliability hotspot that prevents further supply voltage reduction below the safe limit (V-min) due to process variation effects. This work addresses the reliability challenge of the GPU register file at low supply voltages, which is an essential first step for aggressive supply voltage reduction of the entire GPU chip. To better understand the reliability issues posed by undervolting and its energy-saving potential, we first rigorously model and analyze the process variation impact on the GPU register file at different voltages. By further analyzing the GPU architecture, we make a key observation that the time GPU registers contain useless data (i.e., dead time) is long, providing a unique opportunity to enhance register reliability. We then propose GR-Guard, an architectural solution that leverages long register dead time to enable reliable operations from unreliable register file at low voltages. GR-Guard is both effective and low-cost, and does not affect normal (i.e., non-faulty) register accesses. Experimental results show that for a 28nm baseline GPU under aggressive voltage reduction, GR-Guard can maintain the register file reliability with less than 2% overall performance degradation, while achieving an average of 31% energy reduction across various applications. C1 [Tan, Jingweijia; Yan, Kaige; Fu, Xin] Univ Houston, ECE Dept, Houston, TX 77004 USA. [Song, Shuaiwen Leon; Marquez, Andres; Kerbyson, Darren] Pacific Northwest Natl Lab, HPC Grp, Richland, WA 99354 USA. RP Tan, JWJ (reprint author), Univ Houston, ECE Dept, Houston, TX 77004 USA. EM jtan12@uh.edu; Shuaiwen.Song@pnnl.gov; kyan@uh.edu; xfu8@central.uh.edu; Andres.Marquez@pnnl.gov; Darren.Kerbyson@pnnl.gov FU U.S. Department of Energy's (DOE) Office of Science; Office of Advanced Scientific Computing Research [66150]; U.S. Department of Energy [DE-AC05-76RL01830] FX This research is supported by the U.S. Department of Energy's (DOE) Office of Science, Office of Advanced Scientific Computing Research, under award 66150: "CENATE - Center for Advanced Architecture Evaluation". PNNL is operated by Battelle for the U.S. Department of Energy under contract DE-AC05-76RL01830. NR 35 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA BN 978-1-4503-4121-9 PY 2016 BP 3 EP 15 DI 10.1145/2967938.2967951 PG 13 WC Computer Science, Hardware & Architecture; Engineering, Electrical & Electronic SC Computer Science; Engineering GA BG8DP UT WOS:000392249100002 ER PT J AU Gholkar, N Mueller, F Rountree, B AF Gholkar, Neha Mueller, Frank Rountree, Barry GP IEEE TI Power Tuning HPC Jobs on Power-Constrained Systems SO 2016 INTERNATIONAL CONFERENCE ON PARALLEL ARCHITECTURE AND COMPILATION TECHNIQUES (PACT) LA English DT Proceedings Paper CT International Conference on Parallel Architectures and Compilation (PACT) CY SEP 11-15, 2016 CL Haifa, ISRAEL SP IEEE, IEEE Comp Soc, IFIP, NSF, Mellanox Technologies, IBM, Microsoft, NVidia, ARM, Google, HIPR, Intel, Assoc Comp Machinery SIGARCH, TCE, Israel Sci Fdn, Minist Sci Technol & Space, WeGreened com, Israel Europe R&D Directorate AB As we approach the exascale era, power has become a primary bottleneck. The US Department of Energy has set a power constraint of 20MW on each exascale machine. To be able achieve one exaflop under this constraint, it is necessary that we use power intelligently to maximize performance under a power constraint. Most production-level parallel applications that run on a supercomputer are tightly-coupled parallel applications. A naive approach of enforcing a power constraint for a parallel job would be to divide the job's power budget uniformly across all the processors. However, previous work has shown that a power capped job suffers from performance variation of otherwise identical processors leading to overall sub-optimal performance. We propose a 2-level hierarchical variation-aware approach of managing power at machine level. At the macro level, PPartition partitions a machine's power budget across jobs to assign a power budget to each job running on the system such that the machine never exceeds its power budget. At the micro level, PTune makes job-centric decisions by taking the performance variation into account. For every moldable job, PTune determines the optimal number of processors, the selection of processors and the distribution of the job's power budget across them, with the goal of maximizing the job's performance under its power budget. Experiments show that, at the micro level, PTune achieves a performance improvement of up to 29% compared to a naive approach. PTune does not lead to any performance degradation, yet frees up almost 40% of the processors for the same performance as that of the naive approach under a hard power bound. At the macro level, PPartition is able to achieve a throughput improvement of 5-35% compared to uniform power distribution. C1 [Gholkar, Neha; Mueller, Frank] North Carolina State Univ, Raleigh, NC 27695 USA. [Rountree, Barry] Lawrence Livermore Natl Lab, Livermore, CA USA. RP Gholkar, N (reprint author), North Carolina State Univ, Raleigh, NC 27695 USA. EM ngholka@ncsu.edu; mueller@cs.ncsu.edu; rountree4@llnl.gov FU NSF [1217748, 1058779, 0958311]; Consortium for Advanced Simulation of Light Water Reactors (CASL); U.S. Department of Energy's Lawrence Livermore National Laboratory; Office of Science [DE-AC52-07NA27344]; Office of Advanced Scientific Computing Research [LLNL-CONF-656877, LLNL-CONF698261] FX We extend our thanks to Livermore Computing for facilitating Dedicated Access Time on the LLNL cluster. This work was supported in part by NSF grants 1217748, 1058779, 0958311, and by Consortium for Advanced Simulation of Light Water Reactors (CASL). This material is also based upon work supported by the U.S. Department of Energy's Lawrence Livermore National Laboratory. Office of Science, under Award number DE-AC52-07NA27344 and supported by Office of Science, Office of Advanced Scientific Computing Research (LLNL-CONF-656877, LLNL-CONF698261). NR 36 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA BN 978-1-4503-4121-9 PY 2016 BP 179 EP 190 DI 10.1145/2967938.2967961 PG 12 WC Computer Science, Hardware & Architecture; Engineering, Electrical & Electronic SC Computer Science; Engineering GA BG8DP UT WOS:000392249100016 ER PT J AU Melhorn, AC Dinntrovski, A Keane, A AF Melhorn, Alexander C. Dinntrovski, Aleksandar Keane, Andrew GP IEEE TI Probabilistic Load How: a Business Park Analysis, Utilizing Real World Meter Data SO 2016 INTERNATIONAL CONFERENCE ON PROBABILISTIC METHODS APPLIED TO POWER SYSTEMS (PMAPS) LA English DT Proceedings Paper CT International Conference on Probabilistic Methods Applied to Power Systems (PMAPS) CY OCT 16-20, 2016 CL Beijing, PEOPLES R CHINA DE Load correlation; meter data; power distribution systems; probabilistic load flow; three phase ID FLOW AB With the introduction of higher levels of renewables and demand response programs, traditional deterministic power system tools fall short of expectation. Probabilistic load flow takes into account the uncertainty, formed by inconsistent or unknown loads and generation, in the fundamental load flow analysis. Previous works have assumed the input variables to independent. This paper applies real world meter data into the probabilistic load flow simulation, making it no longer valid to just assume independence or total correlation between the inputs without further analysis. Meter data, in 5 or 15 minute intervals, of a typical southeastern United States business park are utilized for the analysis. Since the data are incomplete, several assumptions are made for the input variables. Two different load correlation scenarios are analyzed and the probabilistic load flow results are validated by comparison of available power flow and voltage meter data. The real world data test case further confirms the validity of the proposed probabilistic load flow technique which provides an accurate and practical way for finding the solution to stochastic problems occurring in power distribution systems. C1 [Melhorn, Alexander C.; Keane, Andrew] Univ Coll Dublin, Sch Elect & Elect En Gineering, Elect Res Ctr, Dublin, Ireland. [Dinntrovski, Aleksandar] Oak Ridge Natl Lab, Elect & Elect Syst Res Div, Oak Ridge, TN USA. RP Melhorn, AC (reprint author), Univ Coll Dublin, Sch Elect & Elect En Gineering, Elect Res Ctr, Dublin, Ireland. EM acmel-horn@gmail.com; andrew.keane@ucd.ie; dimitrovskia@ornl.gov FU Electricity Research Centres Industry Affiliates Programme; Science Foundation Ireland [SH/09/SRC/E1780]; U.S. Department of Energy [DE-AC05-00OR2272.5] FX This work was conducted in the Electricity Research Centre, University College Dublin, Ireland, which is supported by the Electricity Research Centres Industry Affiliates Programme (http://erc.ucd.ie/industry/). This material is based upon works supported by the Science Foundation Ireland, under Grant No. SH/09/SRC/E1780. The opinions, findings and conclusions or recommendations expressed in this material arc those of the author(s) and do not necessarily reflect the views of the Science Foundation Ireland.; This manuscript has been authored by UT-Battelle, LLC, under Contract No, DE-AC05-00OR2272.5 with the U.S. Department of Energy. The United States Government retains and the publisher, by accepting the article for publication, acknowledges that the United States Government retains a nonexclusive, paid-up, irrevocable, world-wide license to publish or reproduce the published form of this manuscript, or allow others to do so, for United States Government purposes. NR 16 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA BN 978-1-5090-1970-0 PY 2016 PG 6 WC Energy & Fuels; Engineering, Electrical & Electronic SC Energy & Fuels; Engineering GA BG8IQ UT WOS:000392327900009 ER PT S AU Chow, WW Kreinberg, S Schneider, C Hofling, S Kamp, M Reitzenstein, S AF Chow, W. W. Kreinberg, S. Schneider, C. Hoefling, S. Kamp, M. Reitzenstein, S. GP IEEE TI Experimental and Theoretical Investigations on the Nature of Spontaneous Emission to Lasing Transition in Near-Unity Spontaneous Emission Factor Emitters SO 2016 INTERNATIONAL SEMICONDUCTOR LASER CONFERENCE (ISLC) SE IEEE International Semiconductor Laser Conference LA English DT Proceedings Paper CT 25th International Semiconductor Laser Conference (ISLC) CY SEP 12-15, 2016 CL Kobe, JAPAN DE nanolasers; quantum-dot lasers; high beta-factor; cavity QED AB We investigated the lasing criterion for high-beta emitters, when the customarily-used intensity jump and linewidth narrowing are no longer trustworthy. Spectrally-resolved photoluminscence and photon autocorrelation are measured from AlAs/GaAs micropillars containing InGaAs quantum dots and analyzed using cavity-QED. A physically intuitive lasing criterion applicable to all lasers is proposed. C1 [Chow, W. W.] Sandia Natl Labs, POB 5800, Albuquerque, NM 87185 USA. [Kreinberg, S.; Reitzenstein, S.] Tech Univ Berlin, Inst Festkorperphys, Hardenbergstr 36, D-10623 Berlin, Germany. [Schneider, C.; Hoefling, S.; Kamp, M.] Univ Wurzburg, Lehrstuhl Tech Phys, D-97074 Wurzburg, Germany. RP Chow, WW (reprint author), Sandia Natl Labs, POB 5800, Albuquerque, NM 87185 USA. EM wwchow@sandia.gov NR 2 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 2326-5442 BN 978-4-8855-2306-9 J9 IEEE INT SEMICONDUCT PY 2016 PG 2 WC Engineering, Electrical & Electronic; Physics, Applied SC Engineering; Physics GA BG8DS UT WOS:000392249800066 ER PT S AU Lau, KM Wan, YT Li, Q Liu, AY Chow, WW Gossard, AC Bowers, JE Hu, EL AF Lau, Kei May Wan, Yating Li, Qiang Liu, Alan Y. Chow, Weng W. Gossard, Arthur C. Bowers, John E. Hu, Evelyn L. GP IEEE TI 1-mu m InAs quantum dot micro-disk lasers directly grown on exact (001) Si SO 2016 INTERNATIONAL SEMICONDUCTOR LASER CONFERENCE (ISLC) SE IEEE International Semiconductor Laser Conference LA English DT Proceedings Paper CT 25th International Semiconductor Laser Conference (ISLC) CY SEP 12-15, 2016 CL Kobe, JAPAN DE subwavelength; microdisk laser; III-V heteroepitaxy AB Capitalizing on our novel epitaxial processes, we demonstrate subwavelength micro-disk lasers as small as 1 mu m in diameter on exact (001) silicon substrates. Under continuous wave optical pumping at 10 K, low thresholds down to 35 mu W were obtained together with a high spontaneous emission factor of 0.3. C1 [Lau, Kei May; Wan, Yating; Li, Qiang] Hong Kong Univ Sci & Technol, Dept Elect & Comp Engn, Kowloon, Hong Kong, Peoples R China. [Liu, Alan Y.; Gossard, Arthur C.; Bowers, John E.] Univ Calif Santa Barbara, Dept Mat, Santa Barbara, CA 93106 USA. [Chow, Weng W.] Sandia Natl Labs, POB 5800, Albuquerque, NM 87185 USA. [Gossard, Arthur C.; Bowers, John E.] Univ Calif Santa Barbara, Dept Elect & Comp Engn, Santa Barbara, CA 93106 USA. [Hu, Evelyn L.] Harvard Univ, Sch Engn & Appl Sci, Cambridge, MA 02138 USA. RP Lau, KM (reprint author), Hong Kong Univ Sci & Technol, Dept Elect & Comp Engn, Kowloon, Hong Kong, Peoples R China. EM eekmlau@ust.hk FU Research Grants Council of Hong Kong [614813, 16212115]; DARPA (MTO EPHI); American Institute for Manufacturing (AIM) Integrated Photonics; U.S. Department of Energy NNSA [DE-AC04-94AL85000] FX This work was supported in part by Grants (Nos. 614813 and 16212115) from the Research Grants Council of Hong Kong, DARPA (MTO EPHI) and the American Institute for Manufacturing (AIM) Integrated Photonics, and the U.S. Department of Energy NNSA Contract DE-AC04-94AL85000. The authors would like to thank SUNY Poly for providing the initial nano-patterned Si substrates, Wuhan National Laboratory for Optoelectronics (WNLO) for providing facilities to perform optical measurements, NFF and MCPF of HKUST for technical support. Helpful discussions with C. Zeng, Y. Geng, B. Shi are also acknowledged. NR 8 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 2326-5442 BN 978-4-8855-2306-9 J9 IEEE INT SEMICONDUCT PY 2016 PG 2 WC Engineering, Electrical & Electronic; Physics, Applied SC Engineering; Physics GA BG8DS UT WOS:000392249800008 ER PT S AU Huang, L Xue, JP Idiri, M AF Huang, Lei Xue, Junpeng Idiri, Mourad BE ODell, SL Khounsary, AM TI Control X-ray Deformable Mirrors with Few Measurements SO ADAPTIVE X-RAY OPTICS IV SE Proceedings of SPIE LA English DT Proceedings Paper CT Conference on Adaptive X-Ray Optics IV as part of the SPIE Optics + Photonics International Symposium on Optical Engineering + Applications CY AUG 28-29, 2016 CL San Diego, CA SP SPIE Opt + Photon DE x-ray deformable mirror; active optics; metrology; mirror inspection; B-spline curve fitting ID OPTICAL HEAD AB After years of development from a concept to early experimental stage, X-ray Deformable Mirrors (XDMs) are used in many synchrotron/free-electron laser facilities as a standard x-ray optics tool. XDM is becoming an integral part of the present and future large x-ray and EUV projects and will be essential in exploiting the full potential of the new sources currently under construction. The main objective of using XDMs is to correct wavefront errors or to enable variable focus beam sizes at the sample. Due to the coupling among the N actuators of a DM, it is usually necessary to perform a calibration or training process to drive the DM into the target shape. Commonly, in order to optimize the actuators settings to minimize slope/height errors, an initial measurement need to be collected, with all actuators set to 0, and then either N or 2N measurements are necessary learn each actuator behavior sequentially. In total, it means that N+1 or 2N+1 scans are required to perform this learning process. When the actuators number N is important and the actuator response or the necessary metrology is slow then this learning process can be time consuming. In this work, we present a fast and accurate method to drive an x-ray active bimorph mirror to a target shape with only 3 or 4 measurements. Instead of sequentially measuring and calculating the influence functions of all actuators and then predicting the voltages needed for any desired shape, the metrology data are directly used to "guide" the mirror from its current status towards the particular target slope/height via iterative compensations. The feedback for the iteration process is the discrepancy in curvature calculated by using B-spline fitting of the measured height/slope data. In this paper, the feasibility of this simple and effective approach is demonstrated with experiments. C1 [Huang, Lei; Xue, Junpeng; Idiri, Mourad] Brookhaven Natl Lab, NSLS 2, 50 Rutherford Dr, Upton, NY 11973 USA. [Xue, Junpeng] Sichuan Univ, Sch Aeronaut & Astronaut, Chengdu 610065, Peoples R China. RP Huang, L (reprint author), Brookhaven Natl Lab, NSLS 2, 50 Rutherford Dr, Upton, NY 11973 USA. FU US Department of Energy, Office of Science, Office of Basic Energy sciences [DE-AC-02-98CH10886] FX This work was supported by the US Department of Energy, Office of Science, Office of Basic Energy sciences, under contract No.DE-AC-02-98CH10886. We would like to thank Luca Peverini in Thales-SESO for the helpful initial discussion of the proposed method, the NSLSII-ABBIX team (Dieter Schneider, Martin Fuchs, Lin Yang and Lonny Berman) for the possibility to use their bimorph mirrors to develop our project and Guillaume Dovillaire from Imagine Optic for the discussion on the metrology aspect of the bimorph mirrors. NR 11 TC 0 Z9 0 U1 0 U2 0 PU SPIE-INT SOC OPTICAL ENGINEERING PI BELLINGHAM PA 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA SN 0277-786X BN 978-1-5106-0321-9; 978-1-5106-0322-6 J9 PROC SPIE PY 2016 VL 9965 AR UNSP 99650H DI 10.1117/12.2237808 PG 7 WC Optics; Physics, Applied SC Optics; Physics GA BG8GQ UT WOS:000392269700013 ER PT S AU Poyneer, LA Ruz-Armendariz, J Feng, J Chao, WL Jackson, J Nasiatka, J Decker, T AF Poyneer, Lisa A. Ruz-Armendariz, Jaime Feng, Jun Chao, Weilun Jackson, Jessie Nasiatka, James Decker, Todd BE ODell, SL Khounsary, AM TI Design and implementation of precise x-ray metrology to control a 45-cm long x-ray deformable mirror SO ADAPTIVE X-RAY OPTICS IV SE Proceedings of SPIE LA English DT Proceedings Paper CT Conference on Adaptive X-Ray Optics IV as part of the SPIE Optics + Photonics International Symposium on Optical Engineering + Applications CY AUG 28-29, 2016 CL San Diego, CA SP SPIE Opt + Photon DE Adaptive optics; deformable mirror; x-ray metrology; grating interferometry ID WAVE-FRONT; INTERFEROMETRY AB Our experiments at beamline 5.3.1 of the Advanced Light Source feature a 45-cm long x-ray deformable mirror (XDM). We describe the experiment and present recent results in two areas. First, we directly image the 3 keV x-ray beam and demonstrate customized shaping of its intensity in the near field. Detailed physics simulations of the experiment agree very well with actual measurements. Second, we use a grating interferometer to measure known figure errors applied to the surface of the XDM. A relative height change on the XDM of 2.5 nm RMS is measured at an SNR of eight in single measurement. A provisional error budget analysis indicates that uncalibrated errors in the system are by far the largest component. C1 [Poyneer, Lisa A.; Ruz-Armendariz, Jaime; Jackson, Jessie; Decker, Todd] Lawrence Livermore Natl Lab, 7000 East Ave, Livermore, CA 94550 USA. [Feng, Jun; Nasiatka, James] Lawrence Berkeley Natl Lab, Adv Light Source, 1 Cyclotron Rd, Berkeley, CA USA. [Chao, Weilun] Lawrence Berkeley Natl Lab, Ctr Xray Opt, 1 Cyclotron Rd, Berkeley, CA USA. RP Poyneer, LA (reprint author), Lawrence Livermore Natl Lab, 7000 East Ave, Livermore, CA 94550 USA. EM poyneer1@llnl.gov FU U.S. Department of Energy by Lawrence Livermore National Laboratory [DE-AC52-07NA27344]; Office of Science, Office of Basic Energy Sciences, of the U.S. Department of Energy [DE-AC02-05CH11231] FX The authors thank the staff at ALS for their prompt and helpful support, particularly the Beamline Controls Section. This work performed under the auspices of the U.S. Department of Energy by Lawrence Livermore National Laboratory under Contract DE-AC52-07NA27344. The document number is LLNL-PROC-701213. The Advanced Light Source is supported by the Director, Office of Science, Office of Basic Energy Sciences, of the U.S. Department of Energy under Contract No. DE-AC02-05CH11231. NR 22 TC 0 Z9 0 U1 0 U2 0 PU SPIE-INT SOC OPTICAL ENGINEERING PI BELLINGHAM PA 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA SN 0277-786X BN 978-1-5106-0321-9; 978-1-5106-0322-6 J9 PROC SPIE PY 2016 VL 9965 AR UNSP 99650G DI 10.1117/12.2236568 PG 14 WC Optics; Physics, Applied SC Optics; Physics GA BG8GQ UT WOS:000392269700012 ER PT S AU Wang, XL Yao, YW Ye, S Liu, TC Assoufid, L Cao, J Ulmer, MP AF Wang, Xiaoli Yao, Youwei Ye, Shi Liu, Tianchen Assoufid, Lahsen Cao, Jian Ulmer, M. P. BE ODell, SL Khounsary, AM TI Shaping Si, NiCo, and glass substrates via stresses in the coatings SO ADAPTIVE X-RAY OPTICS IV SE Proceedings of SPIE LA English DT Proceedings Paper CT Conference on Adaptive X-Ray Optics IV as part of the SPIE Optics + Photonics International Symposium on Optical Engineering + Applications CY AUG 28-29, 2016 CL San Diego, CA SP SPIE Opt + Photon DE X-ray optics; active or adaptive optics; magnetic smart materials; coating processes ID EFFECTIVE AREA; RAY; MIRRORS; TELESCOPES; MODEL AB Here we report progress toward the fabrication of adaptive or active Si X-ray mirrors via a two step process. The first step is to curve a Si flat and then coat it with Terfenol-D that will allow the shape control via the application of a magnetic field. The goal is to create a mirror whose local (a few mm-length scale) slope can be changed and left for several hours or more. The current work described here was done in on Si to demonstrate the ability to produce the initial curvature, and in parallel, work to on magnetically hard NiCo 5 cm x 5 cm square plus on a glass sample. The glass sample was used a proto-type to model making changes in two different locations on a mirror. The NiCo sample was used to show that a magnetic field can be retained in a magnetically hard substrate such that the magnetically induced stress in the Terfenol-D was able to maintain a deformation for as long as time permitted to make the measurement which was 71 hours. C1 [Wang, Xiaoli; Liu, Tianchen; Cao, Jian] Northwestern Univ, Dept Mech Engn, 2145 Sheridan Rd, Evanston, IL 60208 USA. [Yao, Youwei; Ye, Shi; Ulmer, M. P.] Northwestern Univ, Dept Phys & Astron, 2131 Tech Dr, Evanston, IL 60208 USA. [Yao, Youwei; Ye, Shi; Ulmer, M. P.] Northwestern Univ, CIERA, 2131 Tech Dr, Evanston, IL 60208 USA. [Assoufid, Lahsen] Argonne Natl Lab, Adv Photon Source, Argonne, IL 60439 USA. RP Ulmer, MP (reprint author), Northwestern Univ, Dept Phys & Astron, 2131 Tech Dr, Evanston, IL 60208 USA.; Ulmer, MP (reprint author), Northwestern Univ, CIERA, 2131 Tech Dr, Evanston, IL 60208 USA. EM m-ulmer2@northwestern.edu FU NASA [NNX11AG05G]; National Science Foundation at Northwestern University Materials Research Science and Engineering Center [DMR-1121262]; ISEN center at Northwestern University; US Department of Energy, Office of Science, Office of Basic Energy Sciences [DE-AC02-06CH11357] FX This work was supported in part by NASA (Grant NNX11AG05G). The authors would like to thank Drs. William W. Zhang in Goddard Space Flight Center, Peter Takacs in Brookhaven National Laboratory for advice and support, and Drs. William W. Zhang and Simi George of Schott Glass for providing glass substrate samples. We thank Dr. Chian Liu at Argonne National Lab for the help of coating the glass samples. This work made use of Central Facilities at Northwestern University: Electron Probe Instrumentation Center and Optical Microscopy & Metallography facility (DMR-1121262) supported by the National Science Foundation at Northwestern University Materials Research Science and Engineering Center. We also thank the ISEN center at Northwestern University for providing funds for purchasing additional sputtering guns that were used for a portion of the coating work done here. Work done by Argonne National Laboratory was supported by US Department of Energy, Office of Science, Office of Basic Energy Sciences under Contract No.DE-AC02-06CH11357. NR 21 TC 0 Z9 0 U1 1 U2 1 PU SPIE-INT SOC OPTICAL ENGINEERING PI BELLINGHAM PA 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA SN 0277-786X BN 978-1-5106-0321-9; 978-1-5106-0322-6 J9 PROC SPIE PY 2016 VL 9965 AR UNSP 99650D DI 10.1117/12.2237785 PG 9 WC Optics; Physics, Applied SC Optics; Physics GA BG8GQ UT WOS:000392269700010 ER PT J AU Collings, IE Bykov, M Bykova, E Tucker, MG Petitgirard, S Hanfland, M Glazyrin, K van Smaalen, S Goodwin, AL Dubrovinsky, L Dubrovinskaia, N AF Collings, Ines E. Bykov, Maxim Bykova, Elena Tucker, Matthew G. Petitgirard, Sylvain Hanfland, Michael Glazyrin, Konstantin van Smaalen, Sander Goodwin, Andrew L. Dubrovinsky, Leonid Dubrovinskaia, Natalia TI Structural distortions in the high-pressure polar phases of ammonium metal formates SO CRYSTENGCOMM LA English DT Article ID NEGATIVE LINEAR COMPRESSIBILITY; PROMINENT DIELECTRIC ANOMALIES; ORGANIC FRAMEWORK; WEAK FERROMAGNETISM; FERROELECTRIC POLARIZATION; THERMAL-EXPANSION; PEROVSKITE; TRANSITION; NEUTRON; NI AB The high-pressure behaviour of ammonium metal formates has been investigated using high-pressure single- crystal X-ray diffraction on ammonium iron and nickel formates, and neutron powder diffraction on ammonium zinc formate in the pressure range of 0-2.3 GPa. A structural phase transition in the pressure range of 0.4-1.4 GPa, depending on the metal cation, is observed for all three ammonium metal formates. The hexagonal-to-monoclinic high-pressure transition gives rise to characteristic sixfold twinning based on the single-crystal diffraction data. Structure solution of the single-crystal data and refinement of the neutron powder diffraction characterise the pressure-induced distortions of the metal formate frameworks. The pressure dependence of the principal axes shows significantly larger anisotropic compressibilities in the high-pressure monoclinic phase (K-1 = 48 TPa-1, K-3 = -7 TPa-1) compared to the ambient hexagonal phase (K-1 = 16 TPa-1, K-3 = -2 TPa-1), and can be related to the symmetry-breaking distortions that cause deformation of the honeycomb motifs in the metal formate framework. While high-pressure Raman spectroscopy suggests that the ammonium cations remain dynamically disordered upon the phase transition, the pressure-induced distortions in the metal formate framework cause polar displacements in the ammonium cations. The magnitude of polarisation in the high-pressure phase of ammonium zinc formate was calculated based upon the offset of the ammonium cation relative to the anionic zinc formate framework, showing an enhanced polarisation of P-s similar to 4 mu C cm(-2) at the transition, which then decreases with increasing pressure. C1 [Collings, Ines E.; van Smaalen, Sander; Dubrovinskaia, Natalia] Univ Bayreuth, Crystallog Lab, D-95440 Bayreuth, Germany. [Bykov, Maxim; Bykova, Elena; Petitgirard, Sylvain; Dubrovinsky, Leonid] Univ Bayreuth, Bayer Geoinst, D-95440 Bayreuth, Germany. [Tucker, Matthew G.] Oak Ridge Natl Lab, Oak Ridge, TN USA. [Hanfland, Michael] European Synchrotron Radiat Facil, BP 220, F-38043 Grenoble 9, France. [Glazyrin, Konstantin] Deutsch Elektronen Synchrotron DESY, Notkestr 85, D-22603 Hamburg, Germany. [Goodwin, Andrew L.] Univ Oxford, Dept Chem, Inorgan Chem Lab, South Parks Rd, Oxford OX1 3QR, England. RP Collings, IE (reprint author), Univ Bayreuth, Crystallog Lab, D-95440 Bayreuth, Germany. EM ines.collings@uni-bayreuth.de RI Goodwin, Andrew/A-5256-2016 OI Goodwin, Andrew/0000-0001-9231-3749 FU Alexander von Humboldt Foundation; ERC [279705]; EPSRC [EP/G004528/2]; DFG through the Heisenberg Program [DU954-8/1]; Federal Ministry of Education and Research (BMBF, Germany) FX We thank the ESRF, ISIS neutron source, and DESY for beamtimes. I. E. C. thanks Somnath Dey for useful discussions, and Dr. Andreas Schonleber and Dr. Christian Hubschle for their assistance with the low-temperature ANiF data collection. I. E. C. would like to acknowledge the Alexander von Humboldt Foundation for funding. A. L. G. acknowledges the ERC (Grant 279705) and EPSRC (Grant EP/G004528/2) for financial support. N. D. thanks the DFG for financial support through the Heisenberg Program and Project No. DU954-8/1. N. D. and L. D. gratefully acknowledge the Federal Ministry of Education and Research (BMBF, Germany) for funding. NR 62 TC 0 Z9 0 U1 3 U2 3 PU ROYAL SOC CHEMISTRY PI CAMBRIDGE PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS, ENGLAND SN 1466-8033 J9 CRYSTENGCOMM JI Crystengcomm PY 2016 VL 18 IS 46 BP 8849 EP 8857 DI 10.1039/c6ce01891b PG 9 WC Chemistry, Multidisciplinary; Crystallography SC Chemistry; Crystallography GA EI4FI UT WOS:000392448100006 ER PT J AU Leone, SR Neumark, DM AF Leone, Stephen R. Neumark, Daniel M. TI Attosecond science in atomic, molecular, and condensed matter physics SO FARADAY DISCUSSIONS LA English DT Article ID HIGH-HARMONIC-GENERATION; ULTRAFAST CHARGE MIGRATION; TIME-RESOLVED SPECTROSCOPY; X-RAY PULSES; ELECTRON DYNAMICS; REAL-TIME; TRANSIENT ABSORPTION; NONLINEAR OPTICS; LASER CONTROL; WATER WINDOW AB Attosecond science represents a new frontier in atomic, molecular, and condensed matter physics, enabling one to probe the exceedingly fast dynamics associated with purely electronic dynamics in a wide range of systems. This paper presents a brief discussion of the technology required to generate attosecond light pulses and gives representative examples of attosecond science carried out in several laboratories. Attosecond transient absorption, a very powerful method in attosecond science, is then reviewed and several examples of gas phase and condensed phase experiments that have been carried out in the Leone/Neumark laboratories are described. C1 [Leone, Stephen R.; Neumark, Daniel M.] Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA. [Leone, Stephen R.] Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA. [Leone, Stephen R.; Neumark, Daniel M.] Lawrence Berkeley Natl Lab, Chem Sci Div, Berkeley, CA 94720 USA. RP Neumark, DM (reprint author), Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA.; Neumark, DM (reprint author), Lawrence Berkeley Natl Lab, Chem Sci Div, Berkeley, CA 94720 USA. EM dneumark@berkeley.edu FU Office of Science, Office of Basic Energy Sciences, of the US Department of Energy [DE-AC02-05CH11231]; Wm. H. Keck Foundation; Defense Advanced Research Projects Agency PULSE program [W31P4Q-13-1-0017]; Multidisciplinary University Research Initiatives from the Army Research Office [WN911NF-14-1-0383]; Air Force Office of Scientific Research [FA9550-15-1-0037]; National Security Science and Engineering Faculty Fellowship (NSSEFF); National Science Foundation [CHE-1361226] FX This research has been supported by the Director, Office of Science, Office of Basic Energy Sciences, of the US Department of Energy under contract DE-AC02-05CH11231, the Wm. H. Keck Foundation, the Defense Advanced Research Projects Agency PULSE program through grant W31P4Q-13-1-0017, and the Multidisciplinary University Research Initiatives from the Army Research Office (WN911NF-14-1-0383) and the Air Force Office of Scientific Research (FA9550-15-1-0037). S. R. L. acknowledges support from a National Security Science and Engineering Faculty Fellowship (NSSEFF) and from the National Science Foundation under grant CHE-1361226. NR 120 TC 0 Z9 0 U1 2 U2 2 PU ROYAL SOC CHEMISTRY PI CAMBRIDGE PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS, ENGLAND SN 1359-6640 EI 1364-5498 J9 FARADAY DISCUSS JI Faraday Discuss. PY 2016 VL 194 BP 15 EP 39 DI 10.1039/c6fd00174b PG 25 WC Chemistry, Physical SC Chemistry GA EI3WD UT WOS:000392422200002 PM 27711856 ER PT J AU Orr-Ewing, AJ Verlet, JRR Penfold, TJ Minns, RS Minitti, MP Solling, TI Schalk, O Kowalewski, M Marangos, JP Robb, MA Johnson, AS Worner, HJ Shalashilin, DV Miller, RJD Domcke, W Ueda, K Weber, PM Cireasa, R Vacher, M Roberts, GM Decleva, P Bencivenga, F Neumark, DM Gessner, O Stolow, A Mishra, PK Polyak, I Baeck, KK Kirrander, A Dowek, D Jimenez-Galan, A Martin, F Mukamel, S Sekikawa, T Gelin, MF Townsend, D Makhov, DV Neville, SP AF Orr-Ewing, Andrew J. Verlet, Jan R. R. Penfold, Tom J. Minns, Russell S. Minitti, Michael P. Solling, Theis I. Schalk, Oliver Kowalewski, Markus Marangos, Jon P. Robb, Michael A. Johnson, Allan S. Worner, Hans Jakob Shalashilin, Dmitrii V. Miller, R. J. Dwayne Domcke, Wolfgang Ueda, Kiyoshi Weber, Peter M. Cireasa, Raluca Vacher, Morgane Roberts, Gareth M. Decleva, Piero Bencivenga, Filippo Neumark, Daniel M. Gessner, Oliver Stolow, Albert Mishra, Pankaj Kumar Polyak, Iakov Baeck, Kyoung Koo Kirrander, Adam Dowek, Danielle Jimenez-Galan, Alvaro Martin, Fernando Mukamel, Shaul Sekikawa, Taro Gelin, Maxim F. Townsend, Dave Makhov, Dmitry V. Neville, Simon P. TI Electronic and non-adiabatic dynamics: general discussion SO FARADAY DISCUSSIONS LA English DT Editorial Material ID INTRAMOLECULAR CHARGE-TRANSFER; CONICAL INTERSECTION; STRUCTURAL DYNAMICS; AB-INITIO; PHOTOEXCITED ANILINE; VIBRATIONAL DYNAMICS; RELAXATION DYNAMICS; MOLECULAR-DYNAMICS; NUCLEAR-DYNAMICS; ULTRAFAST C1 [Orr-Ewing, Andrew J.; Roberts, Gareth M.] Univ Bristol, Bristol, Avon, England. [Verlet, Jan R. R.] Univ Durham, Durham, England. [Penfold, Tom J.] Newcastle Univ, Newcastle Upon Tyne, Tyne & Wear, England. [Minns, Russell S.] Univ Southampton, Southampton, Hants, England. [Minitti, Michael P.] SLAC Natl Accelerator Lab, Menlo Pk, CA USA. [Solling, Theis I.] Univ Copenhagen, Copenhagen, Denmark. [Schalk, Oliver] Stockholm Univ, Stockholm, Sweden. [Kowalewski, Markus; Mukamel, Shaul] Univ Calif Irvine, Irvine, CA USA. [Marangos, Jon P.; Robb, Michael A.; Johnson, Allan S.; Polyak, Iakov] Imperial Coll, London, England. [Worner, Hans Jakob] Eidgenoss Tech Hsch Zuerich, Zurich, Switzerland. [Shalashilin, Dmitrii V.; Makhov, Dmitry V.] Univ Leeds, Leeds, W Yorkshire, England. [Miller, R. J. Dwayne] Max Planck Inst Struct & Dynam Matter, Berlin, Germany. [Domcke, Wolfgang; Gelin, Maxim F.] Tech Univ Munich, Munich, Germany. [Ueda, Kiyoshi] Tohoku Univ, Sendai, Miyagi, Japan. [Weber, Peter M.] Brown Univ, Providence, RI 02912 USA. [Cireasa, Raluca; Dowek, Danielle] Inst Sci Mol Orsay, Orsay, France. [Vacher, Morgane] Uppsala Univ, Uppsala, Sweden. [Decleva, Piero] Univ Trieste, Trieste, Italy. [Bencivenga, Filippo] Elettra Sincrotrone Trieste SCpA, Basovizza, Italy. [Neumark, Daniel M.] Univ Calif Berkeley, Berkeley, CA 94720 USA. [Gessner, Oliver] Lawrence Berkeley Natl Lab, Berkeley, CA USA. [Stolow, Albert; Neville, Simon P.] Univ Ottawa, Ottawa, ON, Canada. [Mishra, Pankaj Kumar] Univ Hamburg, Hamburg, Germany. [Baeck, Kyoung Koo] Gangneung Wonju Natl Univ, Kangnung, South Korea. [Kirrander, Adam] Univ Edinburgh, Edinburgh, Midlothian, Scotland. [Jimenez-Galan, Alvaro] Max Born Inst, Berlin, Germany. [Martin, Fernando] Univ Autonoma Madrid, Madrid, Spain. [Sekikawa, Taro] Hokkaido Univ, Sapporo, Hokkaido, Japan. [Townsend, Dave] Heriot Watt Univ, Edinburgh, Midlothian, Scotland. RP Orr-Ewing, AJ (reprint author), Univ Bristol, Bristol, Avon, England. RI sekikawa, taro/A-5211-2012; Worner, Hans Jakob/B-1802-2013; OI Kowalewski, Markus/0000-0002-2288-2548; Penfold, Thomas/0000-0003-4490-5672 NR 73 TC 0 Z9 0 U1 5 U2 5 PU ROYAL SOC CHEMISTRY PI CAMBRIDGE PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS, ENGLAND SN 1359-6640 EI 1364-5498 J9 FARADAY DISCUSS JI Faraday Discuss. PY 2016 VL 194 BP 209 EP 257 DI 10.1039/c6fd90070d PG 49 WC Chemistry, Physical SC Chemistry GA EI3WD UT WOS:000392422200011 PM 27896343 ER PT J AU Kimberg, V Sanchez-Gonzalez, A Mercadier, L Weninger, C Lutman, A Ratner, D Coffee, R Bucher, M Mucke, M Agaker, M Sathe, C Bostedt, C Nordgren, J Rubensson, JE Rohringer, N AF Kimberg, Victor Sanchez-Gonzalez, Alvaro Mercadier, Laurent Weninger, Clemens Lutman, Alberto Ratner, Daniel Coffee, Ryan Bucher, Maximilian Mucke, Melanie Agaker, Marcus Sathe, Conny Bostedt, Christoph Nordgren, Joseph Rubensson, Jan Erik Rohringer, Nina TI Stimulated X-ray Raman scattering - a critical assessment of the building block of nonlinear X-ray spectroscopy SO FARADAY DISCUSSIONS LA English DT Article ID SPECTRA; CO AB With the invention of femtosecond X-ray free-electron lasers (XFELs), studies of light-induced chemical reaction dynamics and structural dynamics reach a new era, allowing for time-resolved X-ray diffraction and spectroscopy. To ultimately probe coherent electron and nuclear dynamics on their natural time and length scales, coherent nonlinear X-ray spectroscopy schemes have been proposed. In this contribution, we want to critically assess the experimental realisation of nonlinear X-ray spectroscopy at current-day XFEL sources, by presenting first experimental attempts to demonstrate stimulated resonant X-ray Raman scattering in molecular gas targets. C1 [Kimberg, Victor; Mercadier, Laurent; Weninger, Clemens; Rohringer, Nina] Max Planck Inst Struct & Dynam Matter, Hamburg, Germany. [Kimberg, Victor] Royal Inst Technol, Stockholm, Sweden. [Sanchez-Gonzalez, Alvaro] Imperial Coll, Dept Phys, London, England. [Weninger, Clemens; Lutman, Alberto; Ratner, Daniel; Coffee, Ryan; Bucher, Maximilian] SLAC Natl Accelerator Lab, LCLS, Menlo Pk, CA USA. [Mucke, Melanie; Agaker, Marcus; Sathe, Conny; Nordgren, Joseph; Rubensson, Jan Erik] Uppsala Univ, Dept Phys & Astron, Uppsala, Sweden. [Bucher, Maximilian; Bostedt, Christoph] Argonne Natl Lab, Argonne, IL 60439 USA. RP Kimberg, V; Rohringer, N (reprint author), Max Planck Inst Struct & Dynam Matter, Hamburg, Germany.; Kimberg, V (reprint author), Royal Inst Technol, Stockholm, Sweden. EM kimberg@kth.se; nina.rohringer@mpsd.mpg.de FU Max Planck Society; Knut and Alice Wallenberg Foundation [KAW-2013.0020]; Swedish Research Council (VR); Science and Technology Facilities Council (STFC); U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences, Division of Chemical, Geological, and Biological Sciences [DE-AC02-06CH11357]; U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences [DE-AC02-76SF00515] FX We acknowledge financial support from the Max Planck Society; VK also acknowledges financial support from the Knut and Alice Wallenberg Foundation (KAW-2013.0020) and Swedish Research Council (VR). AS-G also acknowledges support from the Science and Technology Facilities Council (STFC). MB and CB acknowledge support from the U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences, Division of Chemical, Geological, and Biological Sciences, under Contract No. DE-AC02-06CH11357. Use of the Linac Coherent Light Source (LCLS), SLAC National Accelerator Laboratory, is supported by the U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences under Contract No. DE-AC02-76SF00515. The simulations were performed on resources provided by the Swedish National Infrastructure for Computing (SNIC). NR 29 TC 1 Z9 1 U1 0 U2 0 PU ROYAL SOC CHEMISTRY PI CAMBRIDGE PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS, ENGLAND SN 1359-6640 EI 1364-5498 J9 FARADAY DISCUSS JI Faraday Discuss. PY 2016 VL 194 BP 305 EP 324 DI 10.1039/c6fd00103c PG 20 WC Chemistry, Physical SC Chemistry GA EI3WD UT WOS:000392422200014 PM 27711899 ER PT J AU Decleva, P Orr-Ewing, AJ Kowalewski, M Kornilov, O Marangos, JP Worner, HJ Johnson, AS Forbes, R Rolles, D Townsend, D Schalk, O Mai, S Penfold, TJ Miller, RJD Centurion, M Ueda, K Domcke, W Weber, PM Baeck, KK Travnikova, O Liekhus-Schmaltz, C Figueira, JAP Neumark, NDM Gessner, O Stolow, A Rudenko, A Mishra, PK Kirrander, A Dowek, D Martin, F Vibok, A Minitti, MP Stankus, B Burger, C AF Decleva, Piero Orr-Ewing, Andrew J. Kowalewski, Markus Kornilov, Oleg Marangos, Jon P. Worner, Hans Jakob Johnson, Allan S. Forbes, Ruaridh Rolles, Daniel Townsend, Dave Schalk, Oliver Mai, Sebastian Penfold, Tom J. Miller, R. J. Dwayne Centurion, Martin Ueda, Kiyoshi Domcke, Wolfgang Weber, Peter M. Baeck, Kyoung Koo Travnikova, Oksana Liekhus-Schmaltz, Chelsea Figueira, Jo Ao Pedro Neumark, Nunes Daniel M. Gessner, Oliver Stolow, Albert Rudenko, Artem Mishra, Pankaj Kumar Kirrander, Adam Dowek, Danielle Martin, Fernando Vibok, Agnes Minitti, Michael P. Stankus, Brian Burger, Christian TI Structural dynamics: general discussion SO FARADAY DISCUSSIONS LA English DT Editorial Material ID GAS ELECTRON-DIFFRACTION; VIBRATIONAL KINETICS; TIME; MOLECULES; LASERS; STATE C1 [Decleva, Piero] Univ Trieste, Trieste, Italy. [Orr-Ewing, Andrew J.] Univ Bristol, Bristol, Avon, England. [Kowalewski, Markus] Univ Calif Irvine, Irvine, CA USA. [Kornilov, Oleg] Max Born Inst, Berlin, Germany. [Marangos, Jon P.; Johnson, Allan S.] Imperial Coll, London, England. [Worner, Hans Jakob] ETH, Zurich, Switzerland. [Forbes, Ruaridh] UCL, London, England. [Rolles, Daniel; Rudenko, Artem] Kansas State Univ, Manhattan, KS 66506 USA. [Townsend, Dave] Heriot Watt Univ, Edinburgh, Midlothian, Scotland. [Schalk, Oliver] Stockholm Univ, Stockholm, Sweden. [Mai, Sebastian] Univ Vienna, Vienna, Austria. [Penfold, Tom J.] Newcastle Univ, Newcastle Upon Tyne, Tyne & Wear, England. [Miller, R. J. Dwayne] Max Planck Inst Struct & Dynam Matter, Hamburg, Germany. [Centurion, Martin] Univ Nebraska, Lincoln, NE 68583 USA. [Ueda, Kiyoshi] Tohoku Univ, Sendai, Miyagi, Japan. [Domcke, Wolfgang] Tech Univ Munich, Munich, Germany. [Weber, Peter M.; Stankus, Brian] Brown Univ, Providence, RI 02912 USA. [Baeck, Kyoung Koo] Gangneung Wonju Natl Univ, Kangnung, South Korea. [Travnikova, Oksana] Sorbonne Univ, Paris, France. [Liekhus-Schmaltz, Chelsea] Stanford Univ, Stanford, CA 94305 USA. [Figueira, Jo Ao Pedro] Univ York, York, N Yorkshire, England. [Neumark, Nunes Daniel M.] Univ Calif Berkeley, Berkeley, CA 94720 USA. [Gessner, Oliver] Lawrence Berkeley Natl Lab, Berkeley, CA USA. [Stolow, Albert] Univ Ottawa, Ottawa, ON, Canada. [Mishra, Pankaj Kumar] Univ Hamburg, Hamburg, Germany. [Kirrander, Adam] Univ Edinburgh, Edinburgh, Midlothian, Scotland. [Dowek, Danielle] Inst Sci Mol Orsay, Orsay, France. [Martin, Fernando] Univ Autonoma Madrid, Madrid, Spain. [Vibok, Agnes] ELI HU Nonprofit Ltd, Budapest, Hungary. [Minitti, Michael P.] SLAC Natl Accelerator Lab, Menlo Pk, CA USA. [Burger, Christian] Ludwig Maximilians Univ Munchen, Munich, Germany. RP Decleva, P (reprint author), Univ Trieste, Trieste, Italy. RI Worner, Hans Jakob/B-1802-2013; OI Kowalewski, Markus/0000-0002-2288-2548; Penfold, Thomas/0000-0003-4490-5672 NR 46 TC 0 Z9 0 U1 4 U2 4 PU ROYAL SOC CHEMISTRY PI CAMBRIDGE PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS, ENGLAND SN 1359-6640 EI 1364-5498 J9 FARADAY DISCUSS JI Faraday Discuss. PY 2016 VL 194 BP 583 EP 620 DI 10.1039/c6fd90072k PG 38 WC Chemistry, Physical SC Chemistry GA EI3WD UT WOS:000392422200027 PM 27906385 ER PT J AU Alonso-Mori, R Asa, K Bergmann, U Brewster, AS Chatterjee, R Cooper, JK Frei, HM Fuller, FD Goggins, E Gul, S Fukuzawa, H Iablonskyi, D Ibrahim, M Katayama, T Kroll, T Kumagai, Y McClure, BA Messinger, J Motomura, K Nagaya, K Nishiyama, T Saracini, C Sato, Y Sauter, NK Sokaras, D Takanashi, T Togashi, T Ueda, K Weare, WW Weng, TC Yabashi, M Yachandra, VK Young, ID Zouni, A Kern, JF Yano, J AF Alonso-Mori, R. Asa, K. Bergmann, U. Brewster, A. S. Chatterjee, R. Cooper, J. K. Frei, H. M. Fuller, F. D. Goggins, E. Gul, S. Fukuzawa, H. Iablonskyi, D. Ibrahim, M. Katayama, T. Kroll, T. Kumagai, Y. McClure, B. A. Messinger, J. Motomura, K. Nagaya, K. Nishiyama, T. Saracini, C. Sato, Y. Sauter, N. K. Sokaras, D. Takanashi, T. Togashi, T. Ueda, K. Weare, W. W. Weng, T-C Yabashi, M. Yachandra, V. K. Young, I. D. Zouni, A. Kern, J. F. Yano, J. TI Towards characterization of photo-excited electron transfer and catalysis in natural and artificial systems using XFELs SO FARADAY DISCUSSIONS LA English DT Article ID RAY-EMISSION SPECTROSCOPY; PHOTOSYNTHETIC WATER OXIDATION; COHERENT-LIGHT SOURCE; PHOTOSYSTEM-II; RADIATION-DAMAGE; ROOM-TEMPERATURE; LASER; CRYSTALLOGRAPHY; SILICA; DIFFRACTION AB The ultra-bright femtosecond X-ray pulses provided by X-ray Free Electron Lasers (XFELs) open capabilities for studying the structure and dynamics of a wide variety of biological and inorganic systems beyond what is possible at synchrotron sources. Although the structure and chemistry at the catalytic sites have been studied intensively in both biological and inorganic systems, a full understanding of the atomic-scale chemistry requires new approaches beyond the steady state X-ray crystallography and X-ray spectroscopy at cryogenic temperatures. Following the dynamic changes in the geometric and electronic structure at ambient conditions, while overcoming X-ray damage to the redox active catalytic center, is key for deriving reaction mechanisms. Such studies become possible by using the intense and ultra-short femtosecond X-ray pulses from an XFEL, where sample is probed before it is damaged. We have developed methodology for simultaneously collecting X-ray diffraction data and X-ray emission spectra, using an energy dispersive spectrometer, at ambient conditions, and used this approach to study the room temperature structure and intermediate states of the photosynthetic water oxidizing metallo-protein, photosystem II. Moreover, we have also used this setup to simultaneously collect the X-ray emission spectra from multiple metals to follow the ultrafast dynamics of light-induced charge transfer between multiple metal sites. A Mn-Ti containing system was studied at an XFEL to demonstrate the efficacy and potential of this method. C1 [Alonso-Mori, R.; Kern, J. F.] SLAC Natl Accelerator Lab, Linac Coherent Light Source, Menlo Pk, CA 94025 USA. [Asa, K.; Nagaya, K.; Nishiyama, T.; Sato, Y.] Kyoto Univ, Grad Sch Sci, Dept Phys, Kyoto 6068502, Japan. [Bergmann, U.] SLAC Natl Accelerator Lab, Stanford PULSE Inst, Menlo Pk, CA 94025 USA. [Brewster, A. S.; Chatterjee, R.; Frei, H. M.; Fuller, F. D.; Gul, S.; McClure, B. A.; Saracini, C.; Sauter, N. K.; Yachandra, V. K.; Young, I. D.; Kern, J. F.; Yano, J.] Lawrence Berkeley Natl Lab, Mol Biophys & Integrated Bioimaging Div, 1 Cyclotron Rd, Berkeley, CA 94720 USA. [Cooper, J. K.; Yano, J.] Lawrence Berkeley Natl Lab, JCAP, 1 Cyclotron Rd, Berkeley, CA 94720 USA. [Goggins, E.; Weare, W. W.] North Carolina State Univ, Dept Chem, 2620 Yarborough Rd, Raleigh, NC 27695 USA. [Fukuzawa, H.; Iablonskyi, D.; Kumagai, Y.; Motomura, K.; Takanashi, T.; Ueda, K.; Yano, J.] Tohoku Univ, IMRAM, Sendai, Miyagi 9808577, Japan. [Fukuzawa, H.; Motomura, K.; Nagaya, K.; Ueda, K.] RIKEN SPring 8 Ctr, Sayo, Hyogo 6795148, Japan. [Ibrahim, M.; Zouni, A.] Humboldt Univ, Inst Biol, D-10099 Berlin, Germany. [Katayama, T.; Togashi, T.; Yabashi, M.] Japan Synchrotron Radiat Res Inst JASRI, SPring SACLA 8, Sayo, Hyogo 6795198, Japan. [Kroll, T.; Sokaras, D.] SLAC Natl Accelerator Lab, SSRL, Menlo Pk, CA 94025 USA. [Messinger, J.] Umea Univ, Kemiskt Biol Ctr, Inst Kemi, Umea, Sweden. [Weng, T-C] Ctr High Pressure Sci & Technol Adv Res, Shanghai, Peoples R China. [Saracini, C.] Ewha Womans Univ, Dept Bioinspired Sci, CBS, Seoul 120750, South Korea. RP Kern, JF (reprint author), SLAC Natl Accelerator Lab, Linac Coherent Light Source, Menlo Pk, CA 94025 USA.; Kern, JF; Yano, J (reprint author), Lawrence Berkeley Natl Lab, Mol Biophys & Integrated Bioimaging Div, 1 Cyclotron Rd, Berkeley, CA 94720 USA.; Yano, J (reprint author), Lawrence Berkeley Natl Lab, JCAP, 1 Cyclotron Rd, Berkeley, CA 94720 USA.; Yano, J (reprint author), Tohoku Univ, IMRAM, Sendai, Miyagi 9808577, Japan. EM JFKern@lbl.gov; JYano@lbl.gov RI Kroll, Thomas/D-3636-2009 FU Office of Science, Office of Basic Energy Sciences, Division of Chemical Sciences, Geosciences, and Biosciences of the Department of Energy (DOE) [DE-AC02-05CH11231]; NIH [GM116423, GM55302, GM095887, GM102520, GM110501]; Human Frontier Research grant [RGP0063/2013]; U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences [DE-AC02-76SF00515]; X-ray Free Electron Laser Utilization Research Project of the Ministry of Education, Culture, Sports, Science and Technology of Japan (MEXT); X-ray Free Electron Laser Priority Strategy Program of the Ministry of Education, Culture, Sports, Science and Technology of Japan (MEXT); Japan Society for the Promotion of Science (JSPS); IMRAM project; Cooperative Research Program of the "Network Joint Research Center for Materials and Devices" of Japan; Artificial Leaf Project (K&A Wallenberg Foundation) [2011.0055]; Energimyndigheten [36648-1]; Joint Center for Artificial Photosynthesis (JCAP), DOE Energy Innovation Hub FX The authors acknowledge research support from the Director, Office of Science, Office of Basic Energy Sciences, Division of Chemical Sciences, Geosciences, and Biosciences of the Department of Energy (DOE) under contract DE-AC02-05CH11231 (J. Y., V. K. Y., and H. F.), the NIH grants GM116423 (F. D. F.), GM55302 (V. K. Y.), GM095887 (N. K. S.), GM102520 (N. K. S.), and GM110501 (J. Y.), and the Human Frontier Research grant RGP0063/2013 (J. Y., U. B., A. Z.). Use of the Linac Coherent Light Source (LCLS), SLAC National Accelerator Laboratory, is supported by the U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences under contract No. DE-AC02-76SF00515. H. F., K. M., K. N. and K. U. acknowledge research support by the X-ray Free Electron Laser Utilization Research Project and the X-ray Free Electron Laser Priority Strategy Program of the Ministry of Education, Culture, Sports, Science and Technology of Japan (MEXT). H. F., K. N. and K. U. are supported by the Japan Society for the Promotion of Science (JSPS), H. F. and K. U. by the IMRAM project, and K. N. by the Cooperative Research Program of the "Network Joint Research Center for Materials and Devices" of Japan. The DFG-Cluster of Excellence "UniCat" coordinated by the Technische Universitat Berlin and S. 1078, TP A5 (A. Z.); the Solar Fuels Strong Research Environment (Umea University), the Artificial Leaf Project (K&A Wallenberg Foundation 2011.0055) and Energimyndigheten (36648-1) (J. M.) are acknowledged for supporting this project. The Mn/Ti data collection was done at SACLA (Japan), under proposal numbers 2014A8013 and 2015A8007. The transient absorption spectra were taken at the Joint Center for Artificial Photosynthesis (JCAP), DOE Energy Innovation Hub under award no. DE-SC0004993. We are grateful to our present and former group members and all our collaborators, who contributed to the research from our group presented in this review. We especially like to thank the CXI beamline scientists at the LCLS, Sebastien Boutet, Garth Williams, and Mengning Liang and all the CXI support staff. We thank Raymond Sierra, Hartawan Laksmono, and Claudiu Stan for help with the MESH injector. We thank Gabriella Carini, Sven Herrmann, and Jack Pines from LCLS for support with data collection at SACLA. We also thank the excellent support staff at LCLS and SACLA, where the XFEL experiments were conducted and at SSRL (BL 6-2) and ALS (BL 5.0.2), where the synchrotron experiments were conducted. NR 50 TC 1 Z9 1 U1 3 U2 3 PU ROYAL SOC CHEMISTRY PI CAMBRIDGE PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS, ENGLAND SN 1359-6640 EI 1364-5498 J9 FARADAY DISCUSS JI Faraday Discuss. PY 2016 VL 194 BP 621 EP 638 DI 10.1039/c6fd00084c PG 18 WC Chemistry, Physical SC Chemistry GA EI3WD UT WOS:000392422200028 PM 27711803 ER PT J AU Chen, LX Shelby, ML Lestrange, PJ Jackson, NE Haldrup, K Mara, MW Stickrath, AB Zhu, DL Lemke, H Chollet, M Hoffman, BM Li, XS AF Chen, Lin X. Shelby, Megan L. Lestrange, Patrick J. Jackson, Nicholas E. Haldrup, Kristoffer Mara, Michael W. Stickrath, Andrew B. Zhu, Diling Lemke, Henrik Chollet, Matthieu Hoffman, Brian M. Li, Xiaosong TI Imaging ultrafast excited state pathways in transition metal complexes by X-ray transient absorption and scattering using X-ray free electron laser source SO FARADAY DISCUSSIONS LA English DT Article ID SPIN-CROSSOVER DYNAMICS; K-EDGE; NICKEL PORPHYRIN; PHOTOEXCITED METALLOPORPHYRIN; TEMPERATURE-DEPENDENCE; NI(II) PORPHYRINS; CONDENSED-PHASE; OXIDATION-STATE; ENERGY-TRANSFER; BASIS-SET AB This report will describe our recent studies of transition metal complex structural dynamics on the fs and ps time scales using an X-ray free electron laser source, Linac Coherent Light Source (LCLS). Ultrafast XANES spectra at the Ni K-edge of nickel(II) tetramesitylporphyrin (NiTMP) were measured for optically excited states at a timescale from 100 fs to 50 ps, providing insight into its sub-ps electronic and structural relaxation processes. Importantly, a transient reduced state Ni(I) (pi, 3d(x2-y2)) electronic state is captured through the interpretation of a short-lived excited state absorption on the low-energy shoulder of the edge, which is aided by the computation of X-ray transitions for postulated excited electronic states. The observed and computed inner shell to valence orbital transition energies demonstrate and quantify the influence of the electronic configuration on specific metal orbital energies. A strong influence of the valence orbital occupation on the inner shell orbital energies indicates that one should not use the transition energy from 1s to other orbitals to draw conclusions about the d-orbital energies. For photocatalysis, a transient electronic configuration could influence d-orbital energies up to a few eV and any attempt to steer the reaction pathway should account for this to ensure that external energies can be used optimally in driving desirable processes. NiTMP structural evolution and the influence of the porphyrin macrocycle conformation on relaxation kinetics can be likewise inferred from this study. C1 [Chen, Lin X.; Shelby, Megan L.; Jackson, Nicholas E.; Stickrath, Andrew B.] Argonne Natl Lab, Chem Sci & Engn Div, Lemont, IL 60439 USA. [Chen, Lin X.; Shelby, Megan L.; Jackson, Nicholas E.; Mara, Michael W.; Hoffman, Brian M.] Northwestern Univ, Dept Chem, Evanston, IL 60208 USA. [Lestrange, Patrick J.; Li, Xiaosong] Univ Washington, Dept Chem, Seattle, WA 98195 USA. [Haldrup, Kristoffer] Tech Univ Denmark, Dept Phys, DK-2800 Lyngby, Denmark. [Zhu, Diling; Lemke, Henrik; Chollet, Matthieu] SLAC Natl Lab, LCLS, Menlo Pk, CA 94025 USA. RP Chen, LX (reprint author), Argonne Natl Lab, Chem Sci & Engn Div, Lemont, IL 60439 USA.; Chen, LX (reprint author), Northwestern Univ, Dept Chem, Evanston, IL 60208 USA. EM lchen@anl.gov RI Haldrup, Kristoffer/J-6875-2013; Lemke, Henrik Till/N-7419-2016 OI Haldrup, Kristoffer/0000-0002-0565-6397; Lemke, Henrik Till/0000-0003-1577-8643 FU U. S. Department of Energy, Office of Science, Office of Basic Energy Sciences, through Argonne National Laboratory [DE-AC02-06CH11357]; National Institute of Health [R01-GM115761, R01-HL63203]; U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences [DE-AC02-76SF00515]; Student Technology Fee; State of Washington through the University of Washington Clean Energy Institute; National Institute of General Medical Sciences of NIH; DANSCATT; Villum Foundation; Carlsberg Foundation FX We acknowledge support for this work from the Solar Energy Photochemistry program (experimental work) and Ultrafast Initiative (theoretical work) of the U. S. Department of Energy, Office of Science, Office of Basic Energy Sciences, through Argonne National Laboratory under Contract No. DE-AC02-06CH11357 and MLS is supported by the National Institute of Health, under Contract No. R01-GM115761 (LXC) and R01-HL63203 (BMH). Use of the Linac Coherent Light Source (LCLS), SLAC National Accelerator Laboratory, is supported by the U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences under Contract No. DE-AC02-76SF00515. Computations on modeled spectra were facilitated through the use of advanced computational, storage, and networking infrastructure provided by the Hyak supercomputer system at the University of Washington, funded by the Student Technology Fee. PJL is also grateful for support by the State of Washington through the University of Washington Clean Energy Institute. MLS also thanks the National Institute of General Medical Sciences of NIH for support through the Molecular Biophysics training grant administered by Northwestern University (5T32 GM008382). KH gratefully acknowledges support from DANSCATT and from the Villum and Carlsberg Foundations. The authors would like to thank Tim Brandt Van Driel for invaluable assistance with the phase cavity timing correction by providing a means to calibrate the phase cavity data. NR 76 TC 0 Z9 0 U1 5 U2 5 PU ROYAL SOC CHEMISTRY PI CAMBRIDGE PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS, ENGLAND SN 1359-6640 EI 1364-5498 J9 FARADAY DISCUSS JI Faraday Discuss. PY 2016 VL 194 BP 639 EP 658 DI 10.1039/c6fd00083e PG 20 WC Chemistry, Physical SC Chemistry GA EI3WD UT WOS:000392422200029 PM 27711898 ER PT J AU Neppl, S Mahl, J Tremsin, AS Rude, B Qiao, RM Yang, WL Guo, JH Gessner, O AF Neppl, Stefan Mahl, Johannes Tremsin, Anton S. Rude, Bruce Qiao, Ruimin Yang, Wanli Guo, Jinghua Gessner, Oliver TI Towards efficient time-resolved X-ray absorption studies of electron dynamics at photocatalytic interfaces SO FARADAY DISCUSSIONS LA English DT Article ID COPPER-OXIDE SEMICONDUCTORS; ELECTRODEPOSITED CU2O; STRUCTURAL DYNAMICS; CHARGE-TRANSFER; BAND-STRUCTURE; CUPROUS-OXIDE; SPECTROSCOPY; STATE; FEMTOSECOND; SPECTRA AB We present a picosecond time-resolved X-ray absorption spectroscopy (tr-XAS) setup designed for synchrotron-based studies of interfacial photochemical dynamics. The apparatus combines a high power, variable repetition rate picosecond laser system with a time-resolved X-ray fluorescence yield detection technique. Time-tagging of the detected fluorescence signals enables the parallel acquisition of X-ray absorption spectra at a variety of pump-probe delays employing the well-defined time structure of the X-ray pulse trains. The viability of the setup is demonstrated by resolving dynamic changes in the fine structure near the O1s X-ray absorption edge of cuprous oxide (Cu2O) after photo-excitation with a 355 nm laser pulse. Two distinct responses are detected. A pronounced, quasi-static, reversible change of the Cu2O O1s X-ray absorption spectrum by up to similar to 30% compared to its static line shape corresponds to a redshift of the absorption edge by similar to 1 eV. This value is small compared to the 2.2 eV band gap of Cu2O but in agreement with previously published results. The lifetime of this effect exceeds the laser pulse-to-pulse period of 8 ms, resulting in a quasi-static spectral change that persists as long as the sample is exposed to the laser light, and completely vanishes once the laser is blocked. Additionally, a short-lived response corresponding to a laser-induced shift of the main absorption line by similar to 2 eV to lower energies appears within <200 ps and decays with a characteristic timescale of 43 +/- 5 ns. Both the picosecond rise and nanosecond decay of this X-ray response are simultaneously captured by making use of a time-tagging approach - highlighting the prospects of the experimental setup for efficient probing of the electronic and structural dynamics in photocatalytic systems on multiple timescales. C1 [Neppl, Stefan; Mahl, Johannes; Gessner, Oliver] Lawrence Berkeley Natl Lab, Chem Sci Div, Berkeley, CA 94720 USA. [Tremsin, Anton S.] Univ Calif Berkeley, Space Sci Lab, Berkeley, CA 94720 USA. [Rude, Bruce; Qiao, Ruimin; Yang, Wanli; Guo, Jinghua] Lawrence Berkeley Natl Lab, Adv Light Source, Berkeley, CA USA. RP Neppl, S; Gessner, O (reprint author), Lawrence Berkeley Natl Lab, Chem Sci Div, Berkeley, CA 94720 USA. EM sneppl@lbl.gov; ogessner@lbl.gov RI Yang, Wanli/D-7183-2011 OI Yang, Wanli/0000-0003-0666-8063 FU U.S. Department of Energy, Office of Basic Energy Sciences, Chemical Sciences, Geosciences and Biosciences Division [DE-AC02-05CH11231]; Department of Energy Office of Science Early Career Research Program; Alexander von Humboldt foundation; Office of Science, Office of Basic Energy Sciences, of the U.S. Department of Energy [DE-AC02-05CH11231] FX This work was supported by the U.S. Department of Energy, Office of Basic Energy Sciences, Chemical Sciences, Geosciences and Biosciences Division, through Contract No. DE-AC02-05CH11231. O. G. was supported by the Department of Energy Office of Science Early Career Research Program. S. N. acknowledges support by the Alexander von Humboldt foundation. We would like to thank Dr C. D. Pemmaraju for stimulating discussions and the staff of the Advanced Light Source for help and assistance. The Advanced Light Source is supported by the Director, Office of Science, Office of Basic Energy Sciences, of the U.S. Department of Energy under Contract No. DE-AC02-05CH11231. NR 72 TC 0 Z9 0 U1 3 U2 3 PU ROYAL SOC CHEMISTRY PI CAMBRIDGE PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS, ENGLAND SN 1359-6640 EI 1364-5498 J9 FARADAY DISCUSS JI Faraday Discuss. PY 2016 VL 194 BP 659 EP 682 DI 10.1039/c6fd00125d PG 24 WC Chemistry, Physical SC Chemistry GA EI3WD UT WOS:000392422200030 PM 27711854 ER PT J AU Orr-Ewing, AJ Kornilov, O Solling, TI Keane, T Minitti, MP Worner, HJ Schalk, O Roberts, GM Minns, RS Milne, CJ Miseikis, L Penfold, TJ Miller, RJD Domcke, W Centurion, M Ueda, K Weber, PM Gessner, O Neumark, DM Stolow, A Yano, J Mukamel, S Stavros, VG AF Orr-Ewing, Andrew J. Kornilov, Oleg Solling, Theis I. Keane, Theo Minitti, Michael P. Worner, Hans Jakob Schalk, Oliver Roberts, Gareth M. Minns, Russell S. Milne, Chris J. Miseikis, Lukas Penfold, Tom J. Miller, R. J. Dwayne Domcke, Wolfgang Centurion, Martin Ueda, Kiyoshi Weber, Peter M. Gessner, Oliver Neumark, Daniel M. Stolow, Albert Yano, Junko Mukamel, Shaul Stavros, Vasilios G. TI Vibrational and condensed phase dynamics: general discussion SO FARADAY DISCUSSIONS LA English DT Editorial Material ID SIGMA-ASTERISK STATES; CYTOSINE BASE-PAIR; ULTRAFAST DEACTIVATION; PROTON-TRANSFER; SPIN-CROSSOVER; DNA BASES; AB-INITIO; MECHANISMS; ADENINE; GUANINE C1 [Orr-Ewing, Andrew J.; Roberts, Gareth M.] Univ Bristol, Bristol, Avon, England. [Kornilov, Oleg] Max Born Inst, Berlin, Germany. [Solling, Theis I.] Univ Copenhagen, Copenhagen, Denmark. [Keane, Theo] Univ Sheffield, Sheffield, S Yorkshire, England. [Minitti, Michael P.] SLAC Natl Accelerator Lab, Menlo Pk, CA USA. [Worner, Hans Jakob] ETH, Zurich, Switzerland. [Schalk, Oliver] Stockholm Univ, Stockholm, Sweden. [Minns, Russell S.] Univ Southampton, Southampton, Hants, England. [Milne, Chris J.] Paul Scherrer Inst, Villigen, Switzerland. [Miseikis, Lukas] Imperial Coll London, London, England. [Penfold, Tom J.] Newcastle Univ, Newcastle Upon Tyne, Tyne & Wear, England. [Miller, R. J. Dwayne] Max Planck Inst Struct & Dynam Matter, Hamburg, Germany. [Domcke, Wolfgang] Tech Univ Munich, Munich, Germany. [Centurion, Martin] Univ Nebraska, Lincoln, NE 68583 USA. [Ueda, Kiyoshi] Tohoku Univ, Sendai, Miyagi, Japan. [Weber, Peter M.] Brown Univ, Providence, RI 02912 USA. [Gessner, Oliver; Yano, Junko] Lawrence Berkeley Natl Lab, Berkeley, CA USA. [Neumark, Daniel M.] Univ Calif Berkeley, Berkeley, CA 94720 USA. [Stolow, Albert] Univ Ottawa, Ottawa, ON, Canada. [Mukamel, Shaul] Univ Calif Irvine, Irvine, CA USA. [Stavros, Vasilios G.] Univ Warwick, Coventry, W Midlands, England. RP Orr-Ewing, AJ (reprint author), Univ Bristol, Bristol, Avon, England. RI Worner, Hans Jakob/B-1802-2013; Milne, Christopher/C-6883-2008; OI Milne, Christopher/0000-0003-4714-9139; Penfold, Thomas/0000-0003-4490-5672 NR 45 TC 0 Z9 0 U1 6 U2 6 PU ROYAL SOC CHEMISTRY PI CAMBRIDGE PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS, ENGLAND SN 1359-6640 EI 1364-5498 J9 FARADAY DISCUSS JI Faraday Discuss. PY 2016 VL 194 BP 747 EP 775 DI 10.1039/c6fd90073a PG 29 WC Chemistry, Physical SC Chemistry GA EI3WD UT WOS:000392422200034 PM 27901160 ER PT S AU Brooks, D Doel, P Besuner, R Flaugher, B Gallo, G Gutierrez, G Kent, S Lampton, M Levi, M Liang, M Miller, TN Sprayberry, D Stefanik, A AF Brooks, David Doel, Peter Besuner, Robert Flaugher, Brenna Gallo, Giuseppe Gutierrez, Gaston Kent, Stephen Lampton, Michael Levi, Michael Liang, Ming Miller, Timothy N. Sprayberry, David Stefanik, Andrew BE Evans, CJ Simard, L Takami, H TI The alignment and assembly of the DESI prime focus corrector SO GROUND-BASED AND AIRBORNE INSTRUMENTATION FOR ASTRONOMY VI SE Proceedings of SPIE LA English DT Proceedings Paper CT Conference on Ground-Based and Airborne Instrumentation for Astronomy VI CY JUN 26-30, 2016 CL Edinburgh, SCOTLAND SP SPIE DE Dark Energy; Wide field corrector; Baryon Acoustic Oscillation AB The Dark Energy Spectroscopic Instrument (DESI), which is currently under construction, is designed to measure the expansion history of the Universe using the Baryon Acoustic Oscillation technique. The spectra of 40 million galaxies over 14000 sq deg will be measured during the life of the experiment. A new prime focus corrector for the KPNO Mayall telescope will deliver light to 5000 fibre optic positioners. The fibres in turn feed ten broad-band spectrographs. The prime focus corrector for DESI consists of six lenses that range in diameter from 0.80 - 1.14 meters and from 83 - 237 kg in weight. The alignment of the large lenses of the optical corrector poses a significant challenge as in order to meet the fibre throughput requirements they have to be aligned to within a tolerance of similar to 50 micrometres. This paper details the design for the cells that will hold the lenses and the alignment and assembly procedure for the mounting of the lenses into the cells and into the complete barrel assembly. This is based on the experience obtained from the alignment of the Dark Energy Camera (DECam) instrument which was successfully assembled and aligned by the same team and we include in the paper the lessons learnt and design modifications that will be implemented on the DESI system. C1 [Brooks, David; Doel, Peter] UCL, Dept Phys & Astron, Gower St, London WC1E 6BT, England. [Besuner, Robert; Lampton, Michael; Levi, Michael; Miller, Timothy N.] Lawrence Berkeley Natl Lab, 1 Cyclotron Rd, Berkeley, CA 94720 USA. [Liang, Ming; Sprayberry, David] Natl Opt Astron Observ, 950 North Cherry Ave, Tucson, AZ 85719 USA. [Flaugher, Brenna; Gallo, Giuseppe; Gutierrez, Gaston; Kent, Stephen; Stefanik, Andrew] Fermilab Natl Accelerator Lab, POB 500, Batavia, IL 60510 USA. RP Brooks, D (reprint author), UCL, Dept Phys & Astron, Gower St, London WC1E 6BT, England. NR 2 TC 0 Z9 0 U1 0 U2 0 PU SPIE-INT SOC OPTICAL ENGINEERING PI BELLINGHAM PA 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA SN 0277-786X BN 978-1-5106-0196-3 J9 PROC SPIE PY 2016 VL 9908 AR 99088C DI 10.1117/12.2232489 PG 8 WC Astronomy & Astrophysics; Instruments & Instrumentation; Optics SC Astronomy & Astrophysics; Instruments & Instrumentation; Optics GA BG7NF UT WOS:000391509100234 ER PT S AU Dey, A Rabinowitz, D Karcher, A Bebek, C Baltay, C Sprayberry, D Valdes, F Stupak, B Donaldson, J Emmet, W Hurteau, T Abareshi, B Marshall, B Lang, D Fitzpatrick, M Daly, P Joyce, D Schlegel, D Schweiker, H Allen, L Blum, B Levi, M AF Dey, Arjun Rabinowitz, David Karcher, Armin Bebek, Chris Baltay, Charlie Sprayberry, David Valdes, Frank Stupak, Bob Donaldson, John Emmet, Will Hurteau, Tom Abareshi, Behzad Marshall, Bob Lang, Dustin Fitzpatrick, Mike Daly, Phil Joyce, Dick Schlegel, David Schweiker, Heidi Allen, Lori Blum, Bob Levi, Michael BE Evans, CJ Simard, L Takami, H TI Mosaic3: A red-sensitive upgrade for the prime focus camera at the Mayall 4m telescope SO GROUND-BASED AND AIRBORNE INSTRUMENTATION FOR ASTRONOMY VI SE Proceedings of SPIE LA English DT Proceedings Paper CT Conference on Ground-Based and Airborne Instrumentation for Astronomy VI CY JUN 26-30, 2016 CL Edinburgh, SCOTLAND SP SPIE DE Astronomical instrument; imaging camera; fully depleted CCD; sky survey AB The Dark Energy Spectroscopic Instrument (DESI) is under construction and will be used to measure the expansion history of the Universe using the Baryon Acoustic Oscillation (BAO) technique and the growth of structure using redshift-space distortions (RSD). The spectra of 30 million galaxies over 14000 sq deg will be measured over the course of the experiment. In order to provide spectroscopic targets for the DESI survey, we are carrying out a three-band (g,r,z) imaging survey of the sky using the NOAO 4-m telescopes at Kitt Peak National Observatory (KPNO) and the Cerro Tololo Interamerican Observatory (CTIO). At KPNO, we will use an upgraded version of the Mayall 4m telescope prime focus camera, Mosaic3, to carry out a z-band survey of the Northern Galactic Cap at declinations delta >= +30 degrees. By equipping an existing Dewar with four 4kx4k fully depleted CCDs manufactured by the Lawrence Berkeley National Laboratory (LBNL), we increased the z-band throughput of the system by a factor of 1.6. These devices have the thickest active area fielded at a telescope. The Mosaic3 z-band survey will be complemented by g-band and r-band observations using the Bok telescope and 90 Prime imager on Kitt Peak. We describe the upgrade and performance of the Mosaic3 instrument and the scope of the northern survey. C1 [Dey, Arjun; Sprayberry, David; Valdes, Frank; Stupak, Bob; Donaldson, John; Abareshi, Behzad; Marshall, Bob; Fitzpatrick, Mike; Daly, Phil; Joyce, Dick; Schweiker, Heidi; Allen, Lori; Blum, Bob] Natl Opt Astron Observ, 950 N Cherry Ave, Tucson, AZ USA. [Rabinowitz, David; Baltay, Charlie; Emmet, Will; Hurteau, Tom] Yale Univ, Dept Phys, New Haven, CT 06511 USA. [Karcher, Armin; Bebek, Chris; Schlegel, David; Levi, Michael] Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA. [Lang, Dustin] Univ Toronto, Dunlap Inst, Toronto, ON, Canada. [Lang, Dustin] Univ Toronto, Dept Astron & Astrophys, Toronto, ON, Canada. RP Dey, A (reprint author), Natl Opt Astron Observ, 950 N Cherry Ave, Tucson, AZ USA.; Rabinowitz, D (reprint author), Yale Univ, Dept Phys, New Haven, CT 06511 USA. EM dey@noao.edu; david.rabinowitz@yale.edu FU LBNL (through the Dark Energy Spectroscopic Instrument Project); National Optical Astronomy Observatory (NOAO); Director, Office of Science; Office of High Energy Physics of the U.S. Department of Energy [DEACO205CH1123]; National Energy Research Scientific Computing Center; DOE Office of Science User Facility; U.S. National Science Foundation; Division of Astronomical Sciences [AST-0950945]; Science and Technologies Facilities Council of the United Kingdom; Gordon and Betty Moore Foundation; Heising-Simons Foundation; National Council of Science and Technology of Mexico; DESI Member Institutions FX The construction and continuing operation of the Mosaic3 camera and the Mosaic3 z-band Legacy Survey are funded by the LBNL (through the Dark Energy Spectroscopic Instrument Project) and by the National Optical Astronomy Observatory (NOAO). This paper contains data obtained at the Mayall Telescope of the Kitt Peak National Observatory, NOAO, which is operated by the Association of Universities for Research in Astronomy (AURA) under cooperative agreement with the National Science Foundation. DESI is supported by the Director, Office of Science, Office of High Energy Physics of the U.S. Department of Energy under Contract No. DEACO205CH1123, and by the National Energy Research Scientific Computing Center, a DOE Office of Science User Facility under the same contract; additional support for DESI is provided by the U.S. National Science Foundation, Division of Astronomical Sciences under Contract No. AST-0950945 to the National Optical Astronomy Observatory; the Science and Technologies Facilities Council of the United Kingdom; the Gordon and Betty Moore Foundation; the Heising-Simons Foundation; the National Council of Science and Technology of Mexico, and by the DESI Member Institutions. The authors are honored to be permitted to conduct astronomical research on Iolkam Du'ag (Kitt Peak), a mountain with particular significance to the Tohono Oodham NR 6 TC 0 Z9 0 U1 0 U2 0 PU SPIE-INT SOC OPTICAL ENGINEERING PI BELLINGHAM PA 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA SN 0277-786X BN 978-1-5106-0196-3 J9 PROC SPIE PY 2016 VL 9908 AR 99082C DI 10.1117/12.2231488 PG 8 WC Astronomy & Astrophysics; Instruments & Instrumentation; Optics SC Astronomy & Astrophysics; Instruments & Instrumentation; Optics GA BG7NF UT WOS:000391509100065 ER PT S AU Doel, P Besuner, R Brooks, D Flaugher, B Gallo, G Gutierrez, G Kent, S Lampton, M Levi, M Liang, M Miller, T Sprayberry, D AF Doel, Peter Besuner, Robert Brooks, David Flaugher, Brenna Gallo, Giuseppe Gutierrez, Gaston Kent, Stephen Lampton, Michael Levi, Michael Liang, Ming Miller, Timothy Sprayberry, David BE Evans, CJ Simard, L Takami, H TI The Prime Focus corrector for Dark Energy Spectroscopic Instrument SO GROUND-BASED AND AIRBORNE INSTRUMENTATION FOR ASTRONOMY VI SE Proceedings of SPIE LA English DT Proceedings Paper CT Conference on Ground-Based and Airborne Instrumentation for Astronomy VI CY JUN 26-30, 2016 CL Edinburgh, SCOTLAND SP SPIE DE Dark Energy; Wide field corrector; Baryon Acoustic Oscillation AB The Dark Energy Spectroscopic Instrument (DESI), currently under construction, is designed to measure the expansion history of the Universe using the Baryon Acoustic Oscillation technique. The spectra of 40 million galaxies over 14000 sq deg will be measured during the life of the experiment. A new prime focus corrector for the KPNO Mayall telescope will deliver light to 5000 fiber optic positioners. The fibers in turn feed ten broad-band spectrographs. This paper describes the overall design and construction status of the prime focus corrector. The size and complexity of the system poses significant design and production challenges. The optics of the corrector consists of six lenses, ranging from 0.8 - 1.14m in diameter, two of which can be rotated to act as an atmospheric dispersion corrector. These lenses are mounted in custom cells that themselves are mounted in a barrel assembly the alignment of which can be actively controlled by a hexapod system to micrometer precision. The whole assembly will be mounted at the prime focus of the Mayall 4m telescope at Kitt Peak observatory and will be one of the largest lens systems ever built for an optical telescope. Construction of the corrector began in 2014 and is well advanced. The system is due to be delivered to the telescope for installation in early 2018. C1 [Doel, Peter; Brooks, David] UCL, Dept Phys & Astron, Gower St, London WC1E 6BT, England. [Besuner, Robert; Lampton, Michael; Levi, Michael; Miller, Timothy] Lawrence Berkeley Natl Lab, 1 Cyclotron Rd, Berkeley, CA 94720 USA. [Flaugher, Brenna; Gallo, Giuseppe; Gutierrez, Gaston; Kent, Stephen] Fermilab Natl Accelerator Lab, POB 500, Batavia, IL 60510 USA. [Liang, Ming; Sprayberry, David] Natl Opt Astron Observ, 950 North Cherry Ave, Tucson, AZ 85719 USA. RP Doel, P (reprint author), UCL, Dept Phys & Astron, Gower St, London WC1E 6BT, England. NR 3 TC 0 Z9 0 U1 0 U2 0 PU SPIE-INT SOC OPTICAL ENGINEERING PI BELLINGHAM PA 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA SN 0277-786X BN 978-1-5106-0196-3 J9 PROC SPIE PY 2016 VL 9908 AR 99088D DI 10.1117/12.2232493 PG 7 WC Astronomy & Astrophysics; Instruments & Instrumentation; Optics SC Astronomy & Astrophysics; Instruments & Instrumentation; Optics GA BG7NF UT WOS:000391509100235 ER PT S AU Erskine, DJ Linder, E Wishnow, E Edelstein, J Sirk, M Muirhead, P Lloyd, J Kim, A AF Erskine, David J. Linder, E. Wishnow, E. Edelstein, J. Sirk, M. Muirhead, P. Lloyd, J. Kim, A. BE Evans, CJ Simard, L Takami, H TI Dramatic robustness of a multiple delay dispersed interferometer to spectrograph errors: how mixing delays reduces or cancels wavelength drift SO GROUND-BASED AND AIRBORNE INSTRUMENTATION FOR ASTRONOMY VI SE Proceedings of SPIE LA English DT Proceedings Paper CT Conference on Ground-Based and Airborne Instrumentation for Astronomy VI CY JUN 26-30, 2016 CL Edinburgh, SCOTLAND SP SPIE DE High resolution spectroscopy; Externally Dispersed Interferometry; Dispersed Fixed Delay Interferometry; Resolution Boosting; Doppler radial velocimetry; Fourier Transform Spectroscopy; Exoplanets ID MICHELSON INTERFEROMETER; RADIAL VELOCIMETRY; PRECISION; EFFICIENT AB We describe demonstrations of remarkable robustness to instrumental noises by using a multiple delay externally dispersed interferometer (EDI) on stellar observations at the Hale telescope. Previous observatory EDI demonstrations used a single delay. The EDI (also called "TEDI") boosted the 2,700 resolution of the native TripleSpec NIR spectrograph (950-2450 nm) by as much as 10x to 27,000, using 7 overlapping delays up to 3 cm. We observed superb rejection of fixed pattern noises due to bad pixels, since the fringing signal responds only to changes in multiple exposures synchronous to the applied delay dithering. Remarkably, we observed a similar to 20x reduction of reaction in the output spectrum to PSF shifts of the native spectrograph along the dispersion direction, using our standard processing. This allowed high resolution observations under conditions of severe and irregular PSF drift otherwise not possible without the interferometer. Furthermore, we recently discovered an improved method of weighting and mixing data between pairs of delays that can theoretically further reduce the net reaction to PSF drift to zero. We demonstrate a 350x reduction in reaction to a native PSF shift using a simple simulation. This technique could similarly reduce radial velocity noise for future EDI's that use two delays overlapped in delay space (or a single delay overlapping the native peak). Finally, we show an extremely high dynamic range EDI measurement of our ThAr lamp compared to a literature ThAr spectrum, observing weak features (similar to 0.001x height of nearest strong line) that occur between the major lines. Because of individuality of each reference lamp, accurate knowledge of its spectrum between the (unfortunately) sparse major lines is important for precision radial velocimetry. C1 [Erskine, David J.] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA. [Linder, E.; Kim, A.] Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA. [Wishnow, E.; Edelstein, J.; Sirk, M.] Univ Calif Berkeley, Space Sci Lab, Berkeley, CA 94720 USA. [Muirhead, P.] Boston Univ, Dept Astron, 725 Commonwealth Ave, Boston, MA 02215 USA. [Lloyd, J.] Cornell Univ, Dept Astron, Carl Sagan Inst, Ithaca, NY 14853 USA. RP Erskine, DJ (reprint author), Lawrence Livermore Natl Lab, Livermore, CA 94550 USA. EM erskine1@llnl.gov NR 22 TC 0 Z9 0 U1 0 U2 0 PU SPIE-INT SOC OPTICAL ENGINEERING PI BELLINGHAM PA 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA SN 0277-786X BN 978-1-5106-0196-3 J9 PROC SPIE PY 2016 VL 9908 AR 99085Y DI 10.1117/12.2230182 PG 17 WC Astronomy & Astrophysics; Instruments & Instrumentation; Optics SC Astronomy & Astrophysics; Instruments & Instrumentation; Optics GA BG7NF UT WOS:000391509100169 ER PT S AU Fagrelius, P Baltay, C Bebek, C Besuner, R Castander, FJ Dey, A Buckley-Geer, E Elliott, A Emmet, W Flaugher, B Gershkovich, I Honscheid, K Joyce, D Kent, S Marshall, R Probst, R Rabinowitz, D Reil, K Schlegel, D Schubnell, M Serrano, S Silber, J Sprayberry, D Tarle, G AF Fagrelius, Parker Baltay, Charles Bebek, Christopher Besuner, Robert Javier Castander, Francisco Dey, Arjun Buckley-Geer, Elizabeth Elliott, Ann Emmet, William Flaugher, Brenna Gershkovich, Irena Honscheid, Klaus Joyce, Dick Kent, Stephen Marshall, Robert Probst, Ronald Rabinowitz, David Reil, Kevin Schlegel, David Schubnell, Michael Serrano, Santiago Silber, Joseph Sprayberry, David Tarle, Greg CA DESI Collaboration BE Evans, CJ Simard, L Takami, H TI ProtoDESI: Risk Reduction Experiment for the Dark Energy Spectroscopic Instrument SO GROUND-BASED AND AIRBORNE INSTRUMENTATION FOR ASTRONOMY VI SE Proceedings of SPIE LA English DT Proceedings Paper CT Conference on Ground-Based and Airborne Instrumentation for Astronomy VI CY JUN 26-30, 2016 CL Edinburgh, SCOTLAND SP SPIE DE DESI; KPNO; Mayall 4-m Telescope; fiber positioners; Dark Energy; prototypes AB The Dark Energy Spectroscopic Instrument (DESI) is under construction to measure the expansion history of the Universe using the Baryon Acoustic Oscillation technique. The spectra of 40 million galaxies over 14,000 sq. deg. will be measured during the life of the experiment. A new prime focus corrector for the KPNO Mayall telescope will deliver light to 5000 fiber optic positioners. The fibers in turn feed ten broad-band spectrographs. We describe the ProtoDESI experiment, planned for installation and commissioning at the Mayall telescope in the fall of 2016, which will test the fiber positioning system for DESI. The ProtoDESI focal plate, consisting of 10 fiber positioners, illuminated fiducials, and a guide, focus and alignment (GFA) sensor module, will be installed behind the existing Mosaic prime focus corrector. A Fiber View Camera (FVC) will be mounted to the lower surface of the primary mirror cell and a subset of the Instrument Control System (ICS) will control the ProtoDESI subsystems, communicate with the Telescope Control System (TCS), and collect instrument monitoring data. Short optical fibers from the positioners will be routed to the back of the focal plane where they will be imaged by the Fiber Photometry Camera (FPC) or back-illuminated by a LED system. Target objects will be identified relative to guide stars, and using the GFA in a control loop with the ICS/TCS system, the guide stars will remain stable on pre-identified GFA pixels. The fiber positioners will then be commanded to the target locations and placed on the targets iteratively, using the FVC to centroid on back-illuminated fibers and fiducials to make corrective delta motions. When the positioners are aligned with the targets on-sky, the FPC will measure the intensities from the positioners' fibers which can then be dithered to look for intensity changes, indicating how well the fibers were initially positioned on target centers. The final goal is to operate ProtoDESI on the Mayall telescope for a 6-hour period during one night, successfully placing targets on the intended fibers for the duration of a typical DESI science exposure. C1 [Fagrelius, Parker; Besuner, Robert] Univ Calif Berkeley, Berkeley, CA 94720 USA. [Bebek, Christopher; Schlegel, David; Silber, Joseph] Lawrence Berkeley Natl Lab, Berkeley, CA USA. [Elliott, Ann] Ohio State Univ, Columbus, OH 43210 USA. [Gershkovich, Irena; Schubnell, Michael; Tarle, Greg] Univ Michigan, Ann Arbor, MI 48109 USA. [Reil, Kevin] SLAC Natl Accelerator Lab, Menlo Pk, CA USA. [Buckley-Geer, Elizabeth; Flaugher, Brenna; Kent, Stephen] Fermilab Natl Accelerator Lab, Batavia, IL 60510 USA. [Baltay, Charles; Emmet, William; Rabinowitz, David] Yale Univ, New Haven, CT USA. [Javier Castander, Francisco; Serrano, Santiago] CSIC, IEEC, IEC, IEEC, Cerdanyola Del Valles, Spain. [Dey, Arjun; Joyce, Dick; Marshall, Robert; Probst, Ronald; Sprayberry, David] Natl Opt Astron Observ, Tucson, AZ 85726 USA. RP Fagrelius, P (reprint author), Univ Calif Berkeley, Berkeley, CA 94720 USA. EM parkerf@berkeley.edu NR 5 TC 0 Z9 0 U1 0 U2 0 PU SPIE-INT SOC OPTICAL ENGINEERING PI BELLINGHAM PA 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA SN 0277-786X BN 978-1-5106-0196-3 J9 PROC SPIE PY 2016 VL 9908 AR 99087X DI 10.1117/12.2231760 PG 9 WC Astronomy & Astrophysics; Instruments & Instrumentation; Optics SC Astronomy & Astrophysics; Instruments & Instrumentation; Optics GA BG7NF UT WOS:000391509100222 ER PT S AU Kent, S Lampton, M Doel, AP Brooks, D Miller, T Besuner, R Silher, J Liang, M Sprayberry, D Baltay, C Rabinowitz, D AF Kent, Stephen Lampton, Michael Doel, A. Peter Brooks, David Miller, Tim Besuner, Robert Silher, Joe Liang, Ming Sprayberry, David Baltay, Charles Rabinowitz, David BE Evans, CJ Simard, L Takami, H TI Impact of distortions on fiber position location in the Dark Energy Spectroscopic Instrument SO GROUND-BASED AND AIRBORNE INSTRUMENTATION FOR ASTRONOMY VI SE Proceedings of SPIE LA English DT Proceedings Paper CT Conference on Ground-Based and Airborne Instrumentation for Astronomy VI CY JUN 26-30, 2016 CL Edinburgh, SCOTLAND SP SPIE DE Optical Distortion; Fiber View Camera; Wide Field Corrector; Dark Energy; Focal Plane Mapping; Baryon Acoustic Oscillations ID SPECTROGRAPH AB The Dark Energy Spectroscopic Instrument, to be located at the prime focus of the Mayall telescope, includes a wide field corrector, a 5000 fiber positioner system, and a fiber view camera. The mapping of the sky to the focal plane, needed to position the fibers accurately, is described in detail. A major challenge is dealing with the large amount of distortion introduced by the optics (of order 10% scale change), including time-dependent non-axisymmetric distortions introduced by the atmospheric dispersion compensator. Solutions are presented to measure or mitigate these effects. C1 [Kent, Stephen] Fermilab MS127, POB 500, Batavia, IL 60510 USA. [Lampton, Michael; Miller, Tim; Besuner, Robert] Space Sci Lab, 7 Gauss Way, Berkeley, CA 94720 USA. [Doel, A. Peter; Brooks, David] UCL, Dept Phys & Astron, Opt Sci Lab, Gower St, London WC1E 6BT, England. [Silher, Joe] Lawrence Berkeley Natl Lab, 1 Cyclotron Rd, Berkeley, CA 94720 USA. [Liang, Ming; Sprayberry, David] Natl Opt Astron Observ, 950 N Cherry Ave, Tucson, AZ 85719 USA. [Baltay, Charles; Rabinowitz, David] Yale Univ, Dept Phys, New Haven, CT 06520 USA. RP Kent, S (reprint author), Fermilab MS127, POB 500, Batavia, IL 60510 USA. EM skent@fnal.gov NR 4 TC 0 Z9 0 U1 0 U2 0 PU SPIE-INT SOC OPTICAL ENGINEERING PI BELLINGHAM PA 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA SN 0277-786X BN 978-1-5106-0196-3 J9 PROC SPIE PY 2016 VL 9908 AR 99088F DI 10.1117/12.2232689 PG 10 WC Astronomy & Astrophysics; Instruments & Instrumentation; Optics SC Astronomy & Astrophysics; Instruments & Instrumentation; Optics GA BG7NF UT WOS:000391509100237 ER PT S AU Kusters, D Lombardo, S Kowalski, M Aldering, G Nordin, J Rigault, M AF Kuesters, Daniel Lombardo, Simona Kowalski, Marek Aldering, Greg Nordin, Jacob Rigault, Mickael CA SNfactory BE Evans, CJ Simard, L Takami, H TI Calibrating the SNfactory Integral Field Spectrograph (SNIFS) with SCALA SO GROUND-BASED AND AIRBORNE INSTRUMENTATION FOR ASTRONOMY VI SE Proceedings of SPIE LA English DT Proceedings Paper CT Conference on Ground-Based and Airborne Instrumentation for Astronomy VI CY JUN 26-30, 2016 CL Edinburgh, SCOTLAND SP SPIE DE Cosmology; SNe Ia; Calibration; Spectrophotometry; Integralfield spectroscopy AB The SNIFS CALibration Apparatus (SCALA), a device to calibrate the Supernova Integral Field Spectrograph on the University Hawaii 2.2m telescope, was developed and installed in Spring 2014. SCALA produces an artificial planet with a diameter of 1 degrees and a constant surface brightness. The wavelength of the beam can be tuned between 3200 angstrom and 10000 angstrom and has a bandwidth of 35 angstrom. The amount of light injected into the telescope is monitored with NIST calibrated photodiodes. SCALA was upgraded in 2015 with a mask installed at the entrance pupil of the UH88 telescope, ensuring that the illumination of the telescope by stars is similar to that of SCALA. With this setup, a first calibration run was performed in conjunction with the spectrophotometric observations of standard stars. We present first estimates for the expected systematic uncertainties of the in-situ calibration and discuss the results of tests that examine the influence of stray light produced in the optics. C1 [Kuesters, Daniel; Lombardo, Simona; Kowalski, Marek; Nordin, Jacob; Rigault, Mickael] Humboldt Univ, Inst Phys, Newtonstr 15, Berlin, Germany. [Aldering, Greg] Lawrence Berkeley Natl Lab, 1 Cyclotron Rd, Berkeley, CA USA. RP Kusters, D (reprint author), Humboldt Univ, Inst Phys, Newtonstr 15, Berlin, Germany. EM kuesters@physik.hu-berlin.de NR 11 TC 0 Z9 0 U1 0 U2 0 PU SPIE-INT SOC OPTICAL ENGINEERING PI BELLINGHAM PA 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA SN 0277-786X BN 978-1-5106-0196-3 J9 PROC SPIE PY 2016 VL 9908 AR 99084V DI 10.1117/12.2232902 PG 11 WC Astronomy & Astrophysics; Instruments & Instrumentation; Optics SC Astronomy & Astrophysics; Instruments & Instrumentation; Optics GA BG7NF UT WOS:000391509100140 ER PT S AU Lambert, AR Besuner, RW Claybaugh, TM Silber, JH AF Lambert, A. R. Besuner, R. W. Claybaugh, T. M. Silber, J. H. BE Evans, CJ Simard, L Takami, H TI DESI Focal Plate Mechanical Integration and Cooling SO GROUND-BASED AND AIRBORNE INSTRUMENTATION FOR ASTRONOMY VI SE Proceedings of SPIE LA English DT Proceedings Paper CT Conference on Ground-Based and Airborne Instrumentation for Astronomy VI CY JUN 26-30, 2016 CL Edinburgh, SCOTLAND SP SPIE DE DESI; Integration; Cooling; Dark Energy; Focal Plate; Positioners; Mayall Telescope AB The Dark Energy Spectroscopic Instrument (DESI) is under construction to measure the expansion history of the Universe using the Baryon Acoustic Oscillation technique([1]). The spectra of 40 million galaxies over 14000 sq. deg will be measured during the life of the experiment. A new prime focus corrector for the KPNO Mayall telescope will deliver light to 5000 fiber optic positioners. The fibers in turn feed ten broad-band spectrographs. This paper describes the mechanical integration of the DESI focal plate and the thermal system design. The DESI focal plate is comprised of ten identical petal assemblies. Each petal contains 500 robotic fiber positioners. Each petal is a complete, self-contained unit, independent from the others, with integrated power supply, controllers, fiber routing, and cooling services. The major advantages of this scheme are: (1) supports installation and removal of complete petal assemblies in-situ, without disturbing the others, (2) component production, assembly stations, and test procedures are repeated and parallelizable, (3) a complete, full-scale prototype can be built and tested at an early date, (4) each production petal can be surveyed and tested as a complete unit, prior to integration, from the fiber tip at the focal surface to the fiber slit at the spectrograph. The ten petal assemblies will be installed in a single integration ring, which is mounted to the DESI corrector. The aluminum integration ring attaches to the steel corrector barrel via a flexured steel adapter, isolating the focal plate from differential thermal expansions. The plate scale will be kept stable by conductive cooling of the petal assembly. The guider and wavefront sensors (one per petal) will be convectively cooled by forced flow of air. Heat will be removed from the system at ten liquid-cooled cold plates, one per petal, operating at ambient temperature. The entire focal plate structure is enclosed in an insulating shroud, which serves as a thermal barrier between the heat-generating focal plate components and the ambient air of the Mayall dome, to protect the seeing([2]). C1 [Lambert, A. R.; Besuner, R. W.; Claybaugh, T. M.; Silber, J. H.] Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA. RP Lambert, AR (reprint author), Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA. EM arlambert@lbl.gov NR 2 TC 0 Z9 0 U1 0 U2 0 PU SPIE-INT SOC OPTICAL ENGINEERING PI BELLINGHAM PA 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA SN 0277-786X BN 978-1-5106-0196-3 J9 PROC SPIE PY 2016 VL 9908 AR 99088Q DI 10.1117/12.2232978 PG 12 WC Astronomy & Astrophysics; Instruments & Instrumentation; Optics SC Astronomy & Astrophysics; Instruments & Instrumentation; Optics GA BG7NF UT WOS:000391509100242 ER PT S AU Miller, TN Doel, P Brooks, D Sholl, MJ Levi, ME AF Miller, Timothy N. Doel, Peter Brooks, David Sholl, Michael J. Levi, Michael E. BE Evans, CJ Simard, L Takami, H TI Progress on the fabrication of the DESI corrector optics SO GROUND-BASED AND AIRBORNE INSTRUMENTATION FOR ASTRONOMY VI SE Proceedings of SPIE LA English DT Proceedings Paper CT Conference on Ground-Based and Airborne Instrumentation for Astronomy VI CY JUN 26-30, 2016 CL Edinburgh, SCOTLAND SP SPIE DE DESI; dark energy; Mayall; prime focus; corrector; lens; meter-class AB The Dark Energy Spectroscopic Instrument (DESI) is under construction to measure the expansion history of the Universe using the Baryon Acoustic Oscillation technique. The spectra of 40 million galaxies over 14000 square degrees will be measured during the life of the experiment. A new prime focus corrector for the Kitt Peak National Observatory Mayall telescope will deliver light to 5000 fiber optic positioners. The fibers in turn feed ten broad-band spectrographs. We will describe the status of the DESI corrector optics, a series of 0.8 to 1.1-meter fused silica and borosilicate lenses currently being fabricated to demanding requirements. We will describe the specs for lenses that are finished or underway, including surface figure, homogeneity, and other parameters; the current schedule for lens production; and a comparison against DESI corrector requirements. C1 [Miller, Timothy N.; Sholl, Michael J.; Levi, Michael E.] Lawrence Berkeley Natl Lab, MS 50R6048,1 Cyclotron Rd, Berkeley, CA 94720 USA. [Doel, Peter; Brooks, David] UCL, Gower St, London WC1E 6BT, England. [Sholl, Michael J.] Alphabet Inc, 1650 Charleston Rd, Mountain View, CA 94043 USA. RP Miller, TN (reprint author), Lawrence Berkeley Natl Lab, MS 50R6048,1 Cyclotron Rd, Berkeley, CA 94720 USA. EM timmiller@lbl.gov NR 0 TC 0 Z9 0 U1 0 U2 0 PU SPIE-INT SOC OPTICAL ENGINEERING PI BELLINGHAM PA 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA SN 0277-786X BN 978-1-5106-0196-3 J9 PROC SPIE PY 2016 VL 9908 AR 99088J DI 10.1117/12.2232739 PG 8 WC Astronomy & Astrophysics; Instruments & Instrumentation; Optics SC Astronomy & Astrophysics; Instruments & Instrumentation; Optics GA BG7NF UT WOS:000391509100239 ER PT S AU Miller, TN Lampton, M Besuner, RW Sholl, MJ Liang, M Ellis, S AF Miller, Timothy N. Lampton, Michael Besuner, Robert W. Sholl, Michael J. Liang, Ming Ellis, Scott BE Evans, CJ Simard, L Takami, H TI Stray Light Assessment and Mitigation for the DESI Front-end Optical System SO GROUND-BASED AND AIRBORNE INSTRUMENTATION FOR ASTRONOMY VI SE Proceedings of SPIE LA English DT Proceedings Paper CT Conference on Ground-Based and Airborne Instrumentation for Astronomy VI CY JUN 26-30, 2016 CL Edinburgh, SCOTLAND SP SPIE DE DESI; stray light; Mayall; prime focus corrector; baffles; observatory; telescope AB The Dark Energy Spectroscopic Instrument (DESI) is under construction to measure the expansion history of the Universe, using the Baryon Acoustic Oscillation technique and the growth of structure using redshift-space distortions (RSD). The spectra of 40 million galaxies over 14000 square degrees will be measured during the life of the experiment. A new prime focus corrector for the KPNO Mayall telescope will deliver light to 5000 fiber optic positioners. The fibers in turn feed ten broad-band spectrographs. We will describe modeling and mitigation of stray light within the front end of DESI, consisting of the Mayall telescope and the corrector assembly. This includes the creation of a stray light model, quantitative analysis of the unwanted light at the corrector focal surface, identification of the main scattering sources, and a description of mitigation strategies to remove the sources. C1 [Miller, Timothy N.; Lampton, Michael; Besuner, Robert W.; Sholl, Michael J.] Lawrence Berkeley Natl Lab, 1 Cyclotron Rd, Berkeley, CA 94720 USA. [Liang, Ming] Natl Opt Astron Observ, 950 N Cherry Ave, Tucson, AZ 85719 USA. [Ellis, Scott] Photon Engn LLC, 310 S Williams Blvd 222, Tucson, AZ 85711 USA. [Sholl, Michael J.] Alphabet Inc, 1650 Charleston Rd, Mountain View, CA 94043 USA. RP Miller, TN (reprint author), Lawrence Berkeley Natl Lab, 1 Cyclotron Rd, Berkeley, CA 94720 USA. EM timmiller@lbl.gov NR 0 TC 0 Z9 0 U1 0 U2 0 PU SPIE-INT SOC OPTICAL ENGINEERING PI BELLINGHAM PA 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA SN 0277-786X BN 978-1-5106-0196-3 J9 PROC SPIE PY 2016 VL 9908 AR 99088O DI 10.1117/12.2232845 PG 10 WC Astronomy & Astrophysics; Instruments & Instrumentation; Optics SC Astronomy & Astrophysics; Instruments & Instrumentation; Optics GA BG7NF UT WOS:000391509100240 ER PT S AU Rizzo, MJ Rinehart, SA Dhabal, A Ade, P Benford, DJ Fixsen, DJ Griffin, M Juanola-Parramon, R Leisawitz, DT Maher, SF Mentzell, E Mundy, LG Papageorgiou, A Pascale, E Silverberg, RF Savini, G Staguhn, J Veach, TJ de Lorenzo, JVH AF Rizzo, Maxime J. Rinehart, S. A. Dhabal, A. Ade, P. Benford, D. J. Fixsen, D. J. Griffin, M. Juanola-Parramon, R. Leisawitz, D. T. Maher, S. F. Mentzell, E. Mundy, L. G. Papageorgiou, A. Pascale, E. Silverberg, R. F. Savini, G. Staguhn, J. Veach, T. J. de Lorenzo, J. Vila Hernandez BE Evans, CJ Simard, L Takami, H TI The Balloon Experimental Twin Telescope for Infrared Interferometry (BETTII): towards the first flight SO GROUND-BASED AND AIRBORNE INSTRUMENTATION FOR ASTRONOMY VI SE Proceedings of SPIE LA English DT Proceedings Paper CT Conference on Ground-Based and Airborne Instrumentation for Astronomy VI CY JUN 26-30, 2016 CL Edinburgh, SCOTLAND SP SPIE DE BETTII; interferometry; balloon; far-infrared; star formation AB The Balloon Experimental Twin Telescope for Infrared Interferometry (BETTII) is a balloon-borne, far-infrared direct detection interferometer with a baseline of 8 m and two collectors of 50 cm. It is designed to study galactic clustered star formation by providing spatially-resolved spectroscopy of nearby star clusters. It is being assembled and tested at NASA Goddard Space Flight Center for a first flight in Fall 2016. We report on recent progress concerning the pointing control system and discuss the overall status of the project as it gets ready for its commissioning flight. C1 [Rizzo, Maxime J.; Dhabal, A.; Mundy, L. G.] Univ Maryland, College Pk, MD 20721 USA. [Rinehart, S. A.; Benford, D. J.; Fixsen, D. J.; Leisawitz, D. T.; Maher, S. F.; Mentzell, E.; Silverberg, R. F.] NASA, Goddard Space Flight Ctr, Greenbelt, MD 20771 USA. [Ade, P.; Griffin, M.; Papageorgiou, A.; Pascale, E.] Cardiff Univ, Cardiff, S Glam, Wales. [Staguhn, J.] Johns Hopkins Univ, Baltimore, MD 21218 USA. [Juanola-Parramon, R.; Veach, T. J.] Oak Ridge Associated Univ, NASA, Oak Ridge, TN 37831 USA. [Savini, G.] UCL, London, England. [de Lorenzo, J. Vila Hernandez] Catholic Univ Amer, Washington, DC 20064 USA. RP Rinehart, SA (reprint author), NASA, Goddard Space Flight Ctr, Greenbelt, MD 20771 USA. EM stephen.a.rinehart@nasa.gov OI Savini, Giorgio/0000-0003-4449-9416 NR 7 TC 0 Z9 0 U1 0 U2 0 PU SPIE-INT SOC OPTICAL ENGINEERING PI BELLINGHAM PA 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA SN 0277-786X BN 978-1-5106-0196-3 J9 PROC SPIE PY 2016 VL 9908 AR 99080S DI 10.1117/12.2231918 PG 21 WC Astronomy & Astrophysics; Instruments & Instrumentation; Optics SC Astronomy & Astrophysics; Instruments & Instrumentation; Optics GA BG7NF UT WOS:000391509100020 ER PT S AU Schmoll, J Besuner, R Bramall, D Dunlop, C Edelstein, J Jelinsky, P Poppett, C Sharpies, R Talbot, G AF Schmoll, Jurgen Besuner, Robert Bramall, David Dunlop, Colin Edelstein, Jerry Jelinsky, Patrick Poppett, Claire Sharpies, Ray Talbot, Gordon BE Evans, CJ Simard, L Takami, H TI The DESI slit design: Science and calibration solutions SO GROUND-BASED AND AIRBORNE INSTRUMENTATION FOR ASTRONOMY VI SE Proceedings of SPIE LA English DT Proceedings Paper CT Conference on Ground-Based and Airborne Instrumentation for Astronomy VI CY JUN 26-30, 2016 CL Edinburgh, SCOTLAND SP SPIE DE DESI; spectrograph; dark energy survey; Mayall telescope; multi object spectroscopy; redshift survey AB The Dark Energy Survey Instrument (DESI) is a 5000-fibre optical multi object spectrograph for the 4m Mayall telecope at the Kitt Peak National Observatory. Ten identical three channel spectrographs will be equipped with 500-element fibre slits. Here we focus on the architecture of the science slits and the interchangeable auxiliary slits required for calibration. C1 [Schmoll, Jurgen; Bramall, David; Dunlop, Colin; Sharpies, Ray; Talbot, Gordon] Ctr Adv Instrumentat, Discovery1,William Armstrong Way,Netpk, Sedgefield TS21 3FH, England. [Edelstein, Jerry; Poppett, Claire] Lawrence Livermore Natl Lab, 1 Cyclotron Rd,M-S 50R, Berkeley, CA 94720 USA. [Besuner, Robert; Jelinsky, Patrick] Univ Calif Berkeley, Berkeley, CA 94720 USA. RP Schmoll, J (reprint author), Ctr Adv Instrumentat, Discovery1,William Armstrong Way,Netpk, Sedgefield TS21 3FH, England. EM jurgen.schmoll@durham.ac.uk NR 2 TC 0 Z9 0 U1 1 U2 1 PU SPIE-INT SOC OPTICAL ENGINEERING PI BELLINGHAM PA 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA SN 0277-786X BN 978-1-5106-0196-3 J9 PROC SPIE PY 2016 VL 9908 AR 99088T DI 10.1117/12.2233050 PG 8 WC Astronomy & Astrophysics; Instruments & Instrumentation; Optics SC Astronomy & Astrophysics; Instruments & Instrumentation; Optics GA BG7NF UT WOS:000391509100245 ER PT S AU Schubnell, M Ameel, J Besuner, RW Gershkovich, I Heetderks, HD Horler, P Kneib, JP Heetderks, HD Silber, JH Tarle, G Weaverdyck, C AF Schubnell, Michael Ameel, Jon Besuner, Robert W. Gershkovich, Irena Heetderks, Henry D. Horler, Philipp Kneib, Jean-Paul Heetderks, Henry D. Silber, Joseph H. Tarle, Gregory Weaverdyck, Curtis BE Evans, CJ Simard, L Takami, H TI The DESI fiber positioner system SO GROUND-BASED AND AIRBORNE INSTRUMENTATION FOR ASTRONOMY VI SE Proceedings of SPIE LA English DT Proceedings Paper CT Conference on Ground-Based and Airborne Instrumentation for Astronomy VI CY JUN 26-30, 2016 CL Edinburgh, SCOTLAND SP SPIE DE Dark Energy; Fiber Spectrograph; Robotic Positioners AB The Dark Energy Spectroscopic Instrument (DESI) is under construction to measure the expansion history of the Universe using the baryon acoustic oscillation technique. A new prime focus corrector for the KPNO Mayall telescope will deliver light to 5,000 fiber optic positioners feeding ten broad-band spectrographs. The positioners have eccentric axis kinematics. Actuation is provided by two 4 mm diameter DC brushless gear-motors. An attached electronics board accepts a DC voltage for power and CAN messages for communications and drives the two motors. The positioner accepts the ferrulized and polished fiber and provides a mechanically safe path through its internal mechanism. Positioning is rapid and accurate with typical RMS errors of less than 5 mu m. C1 [Schubnell, Michael; Ameel, Jon; Gershkovich, Irena; Tarle, Gregory; Weaverdyck, Curtis] Univ Michigan, Ann Arbor, MI 48109 USA. [Besuner, Robert W.; Heetderks, Henry D.; Horler, Philipp] UC Berkeley Space Sci Lab, Berkeley, CA USA. [Kneib, Jean-Paul; Heetderks, Henry D.] Ecole Polytech Fed Lausanne, Lausanne, Switzerland. [Silber, Joseph H.] Lawrence Berkeley Natl Lab, Berkeley, CA USA. RP Schubnell, M (reprint author), Univ Michigan, Ann Arbor, MI 48109 USA. EM schubnel@umich.edu NR 7 TC 0 Z9 0 U1 0 U2 0 PU SPIE-INT SOC OPTICAL ENGINEERING PI BELLINGHAM PA 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA SN 0277-786X BN 978-1-5106-0196-3 J9 PROC SPIE PY 2016 VL 9908 AR 990892 DI 10.1117/12.2233370 PG 6 WC Astronomy & Astrophysics; Instruments & Instrumentation; Optics SC Astronomy & Astrophysics; Instruments & Instrumentation; Optics GA BG7NF UT WOS:000391509100252 ER PT S AU Tamura, N Takato, N Shimono, A Moritani, Y Yabe, K Ishizuka, Y Ueda, A Kamata, Y Aghazarian, H Arnouts, S Barban, G Barkhouser, RH Borges, RC Braun, DF Carr, MA Chabaud, PY Chang, YC Chen, HY Chiba, M Chou, RCY Chu, YH Cohen, JG de Almeida, RP de Oliveira, AC de Oliveira, LS Dekany, RG Dohlen, K dos Santos, JB dos Santos, LH Ellis, RS Fabricius, M Ferrand, D Ferreira, D Golebiowski, M Greene, JE Gross, J Gunn, JE Hammond, R Harding, A Hart, M Heckman, TM Hirata, CM Ho, P Hope, SC Hovland, L Hsu, SF Hui, YS Huang, PJ Jaquet, M Jing, YP Karr, J Kimura, M King, ME Komatsu, E Le Brun, V Le Fevre, O Le Fur, A Le Mignant, D Ling, HH Loomis, CP Lupton, RH Madec, F Mao, P Marrara, LS de Oliveira, CM Minowa, Y Morantz, CN Murayama, H Murray, GJ Ohyama, Y Orndorff, J Pascal, S Pereira, JM Reiley, DJ Reinecke, M Ritter, A Roberts, M Schwochertd, MA Seiffert, MD Smee, SA Sodre, L Spergel, DN Steinkraus, AJ Strauss, MA Surace, C Suto, Y Suzuki, N Swinbank, J Tait, PJ Takada, M Tamura, T Tanaka, Y Tresse, L Verducci, O Viberte, D Vidale, C Wang, SY Wen, CY Yan, CH Yasuda, N AF Tamura, Naoyuki Takato, Naruhisa Shimono, Atsushi Moritani, Yuki Yabe, Kiyoto Ishizuka, Yuki Ueda, Akitoshi Kamata, Yukiko Aghazarian, Hrand Arnouts, Stephane Barban, Gabriel Barkhouser, Robert H. Borges, Renato C. Braun, David F. Carr, Michael A. Chabaud, Pierre-Yves Chang, Yin-Chang Chen, Hsin-Yo Chiba, Masashi Chou, Richard C. Y. Chu, You-Hua Cohen, Judith G. de Almeida, Rodrigo P. de Oliveira, Antonio C. de Oliveira, Ligia S. Dekany, Richard G. Dohlen, Kjetil dos Santos, Jesulino B. dos Santos, Leandro H. Ellis, Richard S. Fabricius, Maximilian Ferrand, Didier Ferreira, Decio Golebiowski, Mirek Greene, Jenny E. Gross, Johannes Gunn, James E. Hammond, Randolph Harding, Albert Hart, Murdock Heckman, Timothy M. Hirata, Christopher M. Ho, Paul Hope, Stephen C. Hovland, Larry Hsu, Shu-Fu Hui, Yen-Shan Huang, Ping-Jie Jaquet, Marc Jing, Yipeng Karr, Jennifer Kimura, Masahiko King, Matthew E. Komatsu, Eiichiro Le Brun, Vincent Le Fevre, Olivier Le Fur, Arnaud Le Mignant, David Ling, Hung-Hsu Loomis, Craig P. Lupton, Robert H. Madec, Fabrice Mao, Peter Marrara, Lucas S. de Oliveira, Claudia Mendes Minowa, Yosuke Morantz, Chaz N. Murayama, Hitoshi Murray, Graham J. Ohyama, Youichi Orndorff, Joseph Pascal, Sandrine Pereira, Jefferson M. Reiley, Daniel J. Reinecke, Martin Ritter, Andreas Roberts, Mitsuko Schwochertd, Mark A. Seiffert, Michael D. Smee, Stephen A. Sodre, Laerte, Jr. Spergel, David N. Steinkraus, Aaron J. Strauss, Michael A. Surace, Christian Suto, Yasushi Suzuki, Nao Swinbank, John Tait, Philip J. Takada, Masahiro Tamura, Tomonori Tanaka, Yoko Tresse, Laurence Verducci, Orlando, Jr. Viberte, Didier Vidale, Clement Wang, Shiang-Yu Wen, Chih-Yi Yan, Chi-Hung Yasuda, Naoki BE Evans, CJ Simard, L Takami, H TI Prime Focus Spectrograph (PFS) for the Subaru Telescope: Overview, recent progress, and future perspectives SO GROUND-BASED AND AIRBORNE INSTRUMENTATION FOR ASTRONOMY VI SE Proceedings of SPIE LA English DT Proceedings Paper CT Conference on Ground-Based and Airborne Instrumentation for Astronomy VI CY JUN 26-30, 2016 CL Edinburgh, SCOTLAND SP SPIE DE Subaru Telescope; future instrument; wide-field instrument; multi-object spectroscopy; optical and near-infrared spectroscopy; optical spectroscopy; near-infrared spectroscopy; international collaboration; optical fibers ID GALAXIES AB PFS (Prime Focus Spectrograph), a next generation facility instrument on the 8.2-meter Subaru Telescope, is a very wide-field, massively multiplexed, optical and near-infrared spectrograph. Exploiting the Subaru prime focus, 2394 reconfigurable fibers will be distributed over the 1.3 deg field of view. The spectrograph has been designed with 3 arms of blue, red, and near-infrared cameras to simultaneously observe spectra from 380nm to 1260nm in one exposure at a resolution of similar to 1.6-2.7 angstrom. An international collaboration is developing this instrument under the initiative of Kavli IPMU. The project is now going into the construction phase aiming at undertaking system integration in 2017-2018 and subsequently carrying out engineering operations in 2018-2019. This article gives an overview of the instrument, current project status and future paths forward. C1 [Tamura, Naoyuki; Shimono, Atsushi; Moritani, Yuki; Yabe, Kiyoto; Ishizuka, Yuki; Komatsu, Eiichiro; Murayama, Hitoshi; Suzuki, Nao; Takada, Masahiro; Yasuda, Naoki] Univ Tokyo, Univ Tokyo Inst Adv Study, Kavli Inst Phys & Math Univ WPI, Kashiwa, Chiba 2778583, Japan. [Takato, Naruhisa; Fabricius, Maximilian; Minowa, Yosuke; Tait, Philip J.; Tamura, Tomonori; Tanaka, Yoko] Natl Astron Observ Japan, Subaru Telescope, 650 North Aohoku Pl, Hilo, HI 96720 USA. [Ueda, Akitoshi; Kamata, Yukiko] Natl Astron Observ Japan, 2-21-1 Osawa, Mitaka, Tokyo 1818588, Japan. [Aghazarian, Hrand; Braun, David F.; Gross, Johannes; Hovland, Larry; King, Matthew E.; Morantz, Chaz N.; Schwochertd, Mark A.; Seiffert, Michael D.; Steinkraus, Aaron J.] Jet Prop Lab, 4800 Oak Grove Dr, Pasadena, CA 91109 USA. [Arnouts, Stephane; Borges, Renato C.; Chabaud, Pierre-Yves; Dohlen, Kjetil; Ferrand, Didier; Jaquet, Marc; Le Brun, Vincent; Le Fevre, Olivier; Le Fur, Arnaud; Le Mignant, David; Madec, Fabrice; Pascal, Sandrine; Surace, Christian; Tresse, Laurence; Viberte, Didier; Vidale, Clement] Aix Marseille Univ, CNRS, LAM, UMR 7326, F-13388 Marseille, France. [Barban, Gabriel; de Almeida, Rodrigo P.; de Oliveira, Antonio C.; de Oliveira, Ligia S.; dos Santos, Jesulino B.; dos Santos, Leandro H.; Ferreira, Decio; Marrara, Lucas S.; Pereira, Jefferson M.; Verducci, Orlando, Jr.] Lab Nacl Astroffs, BR-37504364 Itajuba, Minas Gerais, Brazil. [Barkhouser, Robert H.; Golebiowski, Mirek; Hammond, Randolph; Harding, Albert; Hart, Murdock; Heckman, Timothy M.; Hope, Stephen C.; Orndorff, Joseph; Smee, Stephen A.] Johns Hopkins Univ Hosp, Dept Phys & Astron, 3701 San Martin Dr, Baltimore, MD 21218 USA. [Carr, Michael A.; Greene, Jenny E.; Gunn, James E.; Loomis, Craig P.; Lupton, Robert H.; Ritter, Andreas; Spergel, David N.; Strauss, Michael A.; Swinbank, John] Princeton Univ, Dept Astrophys Sci, Princeton, NJ 08544 USA. [Chang, Yin-Chang; Chen, Hsin-Yo; Chou, Richard C. Y.; Chu, You-Hua; Ho, Paul; Hsu, Shu-Fu; Hui, Yen-Shan; Huang, Ping-Jie; Karr, Jennifer; Kimura, Masahiko; Ling, Hung-Hsu; Ohyama, Youichi; Wang, Shiang-Yu; Wen, Chih-Yi; Yan, Chi-Hung] Acad Sinica, Inst Astron & Astrophys, POB 23-141, Taipei, Taiwan. [Chiba, Masashi] Tohoku Univ, Astron Inst, Sendai, Miyagi 9808578, Japan. [Cohen, Judith G.; Dekany, Richard G.; Mao, Peter; Reiley, Daniel J.; Roberts, Mitsuko] CALTECH, 1200 E Calif Blvd, Pasadena, CA 91125 USA. [Ellis, Richard S.] ESO, Karl Schwarzschild Str 2, D-85748 Garching, Germany. [Ellis, Richard S.] UCL, Dept Phys & Astron, Gower St, London WC1E 6BT, England. [Hirata, Christopher M.] Ohio State Univ, Ctr Cosmol & Astroparticle Phys, 191 West Woodruff Lane, Columbus, OH 43210 USA. [Jing, Yipeng] Shanghai Jiao Tong Univ, Ctr Astron & Astrophys, Dept Phys & Astron, Shanghai 200240, Peoples R China. [Komatsu, Eiichiro; Reinecke, Martin] Max Planck Inst Astrophys, Karl Schwarzschild Str 1, D-85741 Garching, Germany. [de Oliveira, Claudia Mendes; Sodre, Laerte, Jr.] Univ Sao Paulo, Inst Astron Geofis & Ciencias Atmosfer, Dept Astron, Rua Matao 1226,Cidade Univ, BR-05508090 Sao Paulo, Brazil. [Murayama, Hitoshi] Univ Calif Berkeley, Berkeley, CA 94720 USA. [Murayama, Hitoshi] Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA. [Murray, Graham J.] Univ Durham, Ctr Adv Instrumentat, South Rd, Durham DH1 3LE, England. [Suto, Yasushi] Univ Tokyo, Dept Phys, Tokyo 1130033, Japan. [Suto, Yasushi] Univ Tokyo, Res Ctr Early Univ, Sch Sci, Tokyo 1130033, Japan. [Tresse, Laurence] Univ Lyon 1, Ens Lyon, CNRS, Ctr Rech Astrophys Lyon,UMR5574, F-69007 Lyon, France. RP Tamura, N (reprint author), Univ Tokyo, Univ Tokyo Inst Adv Study, Kavli Inst Phys & Math Univ WPI, Kashiwa, Chiba 2778583, Japan. EM naoyuki.tamura@ipmu.jp NR 26 TC 0 Z9 0 U1 1 U2 1 PU SPIE-INT SOC OPTICAL ENGINEERING PI BELLINGHAM PA 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA SN 0277-786X BN 978-1-5106-0196-3 J9 PROC SPIE PY 2016 VL 9908 AR UNSP 99081M DI 10.1117/12.2232103 PG 17 WC Astronomy & Astrophysics; Instruments & Instrumentation; Optics SC Astronomy & Astrophysics; Instruments & Instrumentation; Optics GA BG7NF UT WOS:000391509100043 ER PT J AU Melchionna, R Iapicca, P Di Modugno, F Trono, P Sperduti, I Fassan, M Cataldo, I Rusev, BC Lawlor, RT Diodoro, MG Milella, M Grazi, GL Bissell, MJ Scarpa, A Nistico, P AF Melchionna, Roberta Iapicca, Pierluigi Di Modugno, Francesca Trono, Paola Sperduti, Isabella Fassan, Matteo Cataldo, Ivana Rusev, Borislav C. Lawlor, Rita T. Diodoro, Maria Grazia Milella, Michele Grazi, Gian Luca Bissell, Mina J. Scarpa, Aldo Nistico, Paola TI The pattern of hMENA isoforms is regulated by TGF-beta 1 in pancreatic cancer and may predict patient outcome SO ONCOIMMUNOLOGY LA English DT Article DE Actin Cytoskeleton; EMT; hMENA alternative splicing; PDAC; TGF-beta 1 ID EPITHELIAL-MESENCHYMAL TRANSITION; TGF-BETA; CELL-LINES; E-CADHERIN; CATENIN; PROTEIN; INHIBITION; PATHWAY; MENA; ADENOCARCINOMA AB Pancreatic ductal adenocarcinoma (PDAC) is an aggressive disease in need of prognostic markers to address therapeutic choices. We have previously shown that alternative splicing of the actin regulator, hMENA, generates hMENA(11a), and hMENA Delta v6 isoforms with opposite roles in cell invasion. We examined the expression pattern of hMENA isoforms by immunohistochemistry, using anti-pan hMENA and specific anti-hMENA(11a) antibodies, in 285 PDACs, 15 PanINs, 10 pancreatitis, and normal pancreas. Pan hMENA immunostaining, absent in normal pancreas and low-grade PanINs, was weak in PanIN-3 and had higher levels in virtually all PDACs with 64% of cases showing strong staining. Conversely, the anti-invasive hMENA(11a) isoform only showed strong staining in 26% of PDAC. The absence of hMENA(11a) in a subset (34%) of pan-hMENA-positive tumors significantly correlated with poor outcome. The functional effects of hMENA isoforms were analyzed by loss and gain of function experiments in TGF-beta 1-treated PDAC cell lines. hMENA(11a) knock-down in PDAC cell lines affected cell-cell adhesion but not invasion. TGF-beta 1 cooperated with beta-catenin signaling to upregulate hMENA and hMENA Delta v6 expression but not hMENA(11a) In the absence of hMENA(11a), the hMENA/hMENA Delta v6 up-regulation is crucial for SMAD2-mediated TGF-beta 1 signaling and TGF-beta 1-induced EMT. Since the hMENA isoform expression pattern correlates with patient outcome, the data suggest that hMENA splicing and related pathways are novel key players in pancreatic tumor microenvironment and may represent promising targets for the development of new prognostic and therapeutic tools in PDAC. C1 [Melchionna, Roberta; Iapicca, Pierluigi; Di Modugno, Francesca; Trono, Paola; Nistico, Paola] Regina Elena Inst Canc Res, Tumour Immunol & Immunotherapy Unit, Rome, Italy. [Sperduti, Isabella] Regina Elena Inst Canc Res, Biostat & Sci Direct, Rome, Italy. [Fassan, Matteo; Cataldo, Ivana; Rusev, Borislav C.; Lawlor, Rita T.; Scarpa, Aldo] Univ Verona, Dept Pathol & Diagnost, ARC NET Res Ctr, Verona, Italy. [Diodoro, Maria Grazia] Regina Elena Inst Canc Res, Pathol Unit, Rome, Italy. [Milella, Michele] Regina Elena Inst Canc Res, Med Oncol, Rome, Italy. [Grazi, Gian Luca] Regina Elena Inst Canc Res, Hepatopancreatobiliary Surg Unit, Rome, Italy. [Bissell, Mina J.] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA. RP Nistico, P (reprint author), Regina Elena Inst Canc Res, Tumour Immunol & Immunotherapy Unit, Dept Res, Adv Diagnost & Technol Innovat Translat Res Funct, Via Elio Chianesi 53, I-00144 Rome, Italy. EM paola.nistico@ifo.gov.it FU Italian Association for Cancer Research AIRC [12182, IG 15224] FX This work was supported by the Italian Association for Cancer Research AIRC: 5 x 1000, 12182 (P.N., A.S.) and IG 15224 (P.N.). NR 43 TC 0 Z9 0 U1 2 U2 2 PU TAYLOR & FRANCIS INC PI PHILADELPHIA PA 530 WALNUT STREET, STE 850, PHILADELPHIA, PA 19106 USA SN 2162-402X J9 ONCOIMMUNOLOGY JI OncoImmunology PY 2016 VL 5 IS 12 AR e1221556 DI 10.1080/2162402X.2016.1221556 PG 14 WC Oncology; Immunology SC Oncology; Immunology GA EI9RI UT WOS:000392846200002 PM 28123868 ER PT S AU Rumley, S Polster, RP Bergman, K Hammond, SD Rodrigues, AF AF Rumley, Sebastien Polster, Robert P. Bergman, Keren Hammond, Simon D. Rodrigues, Arun F. GP IEEE TI End-to-end Modeling and Optimization of Power Consumption in HPC Interconnects SO PROCEEDINGS OF 45TH INTERNATIONAL CONFERENCE ON PARALLEL PROCESSING WORKSHOPS (ICPPW 2016) SE International Conference on Parallel Processing Workshops LA English DT Proceedings Paper CT 45th International Conference on Parallel Processing (ICPP) CY AUG 16-19, 2016 CL Philadelphia, PA SP Int Assoc Comp & Commun, IEEE Comp Soc DE Interconnection networks; network topology; energy efficiency AB The Interconnect topology is one of the key design choices of large-scale distributed computer architectures. It might also become one of the most power consuming design elements as traffic volumes and interconnect size continue to grow. High interconnect power consumption can be simply provoked by non-energy efficient components, or can in contrast be due to architectural misconception. In this paper, we propose and combine various high-level models to realize a clear breakdown of the power consumptions, and analyze how these depend on various parameters, either external or internal, to the interconnect. Our initial results indicate that end-to-end interconnect consumption is dominated by routers. The node compute power can also affect the interconnect energy efficiency, especially if links of equal bandwidth are used as injection links and topology inner links. C1 [Rumley, Sebastien; Polster, Robert P.; Bergman, Keren] Columbia Univ, Dept Elect Engn, Lightwave Res Lab, New York, NY 10027 USA. [Hammond, Simon D.; Rodrigues, Arun F.] Sandia Natl Labs, Scalable Comp Architecture, POB 5800, Albuquerque, NM 87185 USA. RP Rumley, S (reprint author), Columbia Univ, Dept Elect Engn, Lightwave Res Lab, New York, NY 10027 USA. EM rumley@ee.columbia.edu FU U.S. Department of Energy (DoE) National Nuclear Security Administration (NNSA) Advanced Simulation and Computing (ASC) [PO1426332]; Sandia National Laboratories FX Authors acknowledge the financial support of the U.S. Department of Energy (DoE) National Nuclear Security Administration (NNSA) Advanced Simulation and Computing (ASC) program through contract PO1426332 with Sandia National Laboratories. Furthermore, the authors thank the CEA LETI for their support on defining the power consumption models. NR 25 TC 1 Z9 1 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 1530-2016 BN 978-1-5090-2825-2 J9 INT CONF PARA PROC PY 2016 BP 133 EP 140 DI 10.1109/ICPPW.2016.33 PG 8 WC Computer Science, Hardware & Architecture; Computer Science, Theory & Methods; Engineering, Electrical & Electronic SC Computer Science; Engineering GA BG8NG UT WOS:000392498600017 ER PT S AU Gamell, M Katz, DS Teranishi, K Heroux, MA Van der Wijngaart, RF Mattson, TG Parashar, M AF Gamell, Marc Katz, Daniel S. Teranishi, Keita Heroux, Michael A. Van der Wijngaart, Rob F. Mattson, Timothy G. Parashar, Manish GP IEEE TI Evaluating Online Global Recovery with Fenix using Application-aware In-memory Checkpointing Techniques SO PROCEEDINGS OF 45TH INTERNATIONAL CONFERENCE ON PARALLEL PROCESSING WORKSHOPS (ICPPW 2016) SE International Conference on Parallel Processing Workshops LA English DT Proceedings Paper CT 45th International Conference on Parallel Processing (ICPP) CY AUG 16-19, 2016 CL Philadelphia, PA SP Int Assoc Comp & Commun, IEEE Comp Soc DE fault tolerance; resilience; online recovery; in-memory checkpointing; neighbor-based checkpointing; checksum-based checkpointing ID FAULT-TOLERANCE; SYSTEMS AB Exascale systems promise the potential for computation at unprecedented scales and resolutions, but achieving exascale by the end of this decade presents significant challenges. A key challenge is due to the very large number of cores and components and the resulting mean time between failures (MTBF) in the order of hours or minutes. Since the typical run times of target scientific applications are longer than this MTBF, fault tolerance techniques will be essential. An important class of failures that must be addressed is process or node failures. While checkpoint/restart (C/R) is currently the most widely accepted technique for addressing processor failures, coordinated, stable-storage-based global C/R might be unfeasible at exascale when the time to checkpoint exceeds the expected MTBF. This paper explores transparent recovery via implicitly coordinated, diskless, application-driven checkpointing as a way to tolerate process failures in MPI applications at exascale. The discussed approach leverages User Level Failure Mitigation (ULFM), which is being proposed as an MPI extension to allow applications to create policies for tolerating process failures. Specifically, this paper demonstrates how different implementations of application-driven in-memory checkpoint storage and recovery compare in terms of performance and scalability. We also experimentally evaluate the effectiveness and scalability of the Fenix online global recovery framework on a production system - the Titan Cray XK7 at ORNLand demonstrate the ability of Fenix to tolerate dynamically injected failures using the execution of four benchmarks and mini-applications with different behaviors. C1 [Gamell, Marc; Parashar, Manish] Rutgers State Univ, Rutgers Discovery Informat Inst, Piscataway, NJ 08854 USA. [Katz, Daniel S.] Univ Illinois, NCSA, ECE, Champaign, IL USA. [Katz, Daniel S.] Univ Illinois, GSLIS, Champaign, IL USA. [Teranishi, Keita] Sandia Natl Labs, Scalable Modeling & Anal Dept, Livermore, CA USA. [Van der Wijngaart, Rob F.; Mattson, Timothy G.] Intel Corp, Intel Labs, Santa Clara, CA USA. [Heroux, Michael A.] Sandia Natl Labs, Scalable Algorithms, POB 5800, Albuquerque, NM 87185 USA. RP Gamell, M (reprint author), Rutgers State Univ, Rutgers Discovery Informat Inst, Piscataway, NJ 08854 USA. EM mgamell@cac.rutgers.edu; d.katz@ieee.org; knteran@sandia.gov; maherou@sandia.gov; rob.f.van.der.wijngaart@intel.com; timothy.g.mattson@intel.com; parashar@cac.rutgers.edu FU US National Science Foundation (NSF) [ACI 1339036, ACI 1310283, DMS 1228203, IIP 0758566]; Director, Office of Advanced Scientific Computing Research; Office of Science, of the U. S. Department of Energy through the Scientific Discovery through Advanced Computing ( SciDAC) Institute of Scalable Data Management; Analysis and Visualization (SDAV) [DE-SC0007455]; Advanced Scientific Computing Research and Fusion Energy Sciences Partnership for Edge Physics Simulations (EPSI) [DE-FG02-06ER54857]; IBM Faculty Award; US DoE [DEAC05-00OR22725]; National Science Foundation while working at the Foundation FX The research presented in this work is supported in part by the US National Science Foundation (NSF) via grants numbers ACI 1339036, ACI 1310283, DMS 1228203 and IIP 0758566; by the Director, Office of Advanced Scientific Computing Research, Office of Science, of the U. S. Department of Energy through the Scientific Discovery through Advanced Computing (SciDAC) Institute of Scalable Data Management, Analysis and Visualization (SDAV) under award number DE-SC0007455, the Advanced Scientific Computing Research and Fusion Energy Sciences Partnership for Edge Physics Simulations (EPSI) under award number DE-FG02-06ER54857 and by an IBM Faculty Award. The research was conducted as part of the NSF Cloud and Autonomic Computing (CAC) Center at Rutgers University and the Rutgers Discovery Informatics Institute (RDI2). This research used resources of the Oak Ridge Leadership Computing Facility at the Oak Ridge National Laboratory, supported by US DoE under Contract No. DEAC05-00OR22725. Work by Katz was supported by the National Science Foundation while working at the Foundation. Any opinion, finding, and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation. We would also like to acknowledge Josep Gamell for his help in this research. NR 49 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 1530-2016 BN 978-1-5090-2825-2 J9 INT CONF PARA PROC PY 2016 BP 346 EP 355 DI 10.1109/ICPPW.2016.56 PG 10 WC Computer Science, Hardware & Architecture; Computer Science, Theory & Methods; Engineering, Electrical & Electronic SC Computer Science; Engineering GA BG8NG UT WOS:000392498600040 ER PT J AU Anger, E Wilke, J Yalamanchili, S AF Anger, Eric Wilke, Jeremiah Yalamanchili, Sudhakar GP ACM TI Power-Constrained Performance Scheduling of Data Parallel Tasks SO PROCEEDINGS OF 4TH INTERNATIONAL WORKSHOP ON ENERGY EFFICIENT SUPERCOMPUTING (E2SC 2016) LA English DT Proceedings Paper CT 4th International Workshop on Energy Efficient Supercomputing (E2SC) CY NOV 13-18, 2016 CL Salt Lake, UT SP Assoc Comp Machinery, IEEE Comp Soc, SIGHPC AB This paper explores the potential benefits to asynchronous task-based execution to achieve high performance under a power cap. Task-graph schedulers can flexibly reorder tasks and assign compute resources to data-parallel (elastic) tasks to minimize execution time, compared to executing step-by-step (bulk-synchronously). The efficient utilization of the available cores becomes a challenging task when a power cap is imposed. This work characterizes the trade-offs between power and performance as a Pareto frontier, identifying the set of configurations that achieve the best performance for a given amount of power. We present a set of scheduling heuristics that leverage this information dynamically during execution to ensure that the processing cores are used efficiently when running under a power cap. This work examines the behavior of three HPC applications on a 57 core Intel Xeon Phi device, demonstrating a significant performance increase over the baseline. C1 [Anger, Eric; Yalamanchili, Sudhakar] Georgia Inst Technol, Sch Elect & Comp Engn, Atlanta, GA 30332 USA. [Wilke, Jeremiah] Sandia Natl Labs, Livermore, CA USA. RP Anger, E (reprint author), Georgia Inst Technol, Sch Elect & Comp Engn, Atlanta, GA 30332 USA. EM eanger@gatech.edu; jjwilke@sandia.gov; sudha@gatech.edu NR 25 TC 0 Z9 0 U1 0 U2 0 PU ASSOC COMPUTING MACHINERY PI NEW YORK PA 1515 BROADWAY, NEW YORK, NY 10036-9998 USA BN 978-1-5090-3856-5 PY 2016 BP 1 EP 7 DI 10.1109/E2SC.2016.11 PG 7 WC Computer Science, Hardware & Architecture; Computer Science, Theory & Methods; Engineering, Electrical & Electronic SC Computer Science; Engineering GA BG8IF UT WOS:000392312700001 ER PT J AU Patki, T Lowenthal, DK Rountree, BL Schulz, M de Supinski, BR AF Patki, Tapasya Lowenthal, David K. Rountree, Barry L. Schulz, Martin de Supinski, Bronis R. GP ACM TI Economic Viability of Hardware Overprovisioning in Power-Constrained High Performance Computing SO PROCEEDINGS OF 4TH INTERNATIONAL WORKSHOP ON ENERGY EFFICIENT SUPERCOMPUTING (E2SC 2016) LA English DT Proceedings Paper CT 4th International Workshop on Energy Efficient Supercomputing (E2SC) CY NOV 13-18, 2016 CL Salt Lake, UT SP Assoc Comp Machinery, IEEE Comp Soc, SIGHPC AB Recent research has established that hardware overprovisioning can improve system power utilization as well as job throughput in power-constrained, high-performance computing environments significantly. These benefits, however, may be associated with an additional infrastructure cost, making hardware overprovisioned systems less viable economically. It is thus important to conduct a detailed cost-benefit analysis before investing in such systems at a large-scale. In this paper, we develop a model to conduct this analysis and show that for a given, fixed infrastructure cost budget and a system power budget, it is possible for hardware overprovisioned systems to lead to a net performance benefit when compared to traditional, worst-case provisioned HPC systems. C1 [Rountree, Barry L.; Schulz, Martin; de Supinski, Bronis R.] Lawrence Livermore Natl Lab, Livermore, CA USA. [Patki, Tapasya; Lowenthal, David K.] Univ Arizona, Dept Comp Sci, Tucson, AZ 85721 USA. RP Patki, T (reprint author), Univ Arizona, Dept Comp Sci, Tucson, AZ 85721 USA. FU U.S. Department of Energy by Lawrence Livermore National Laboratory [DE-AC52-07NA27344, LLNL-CONF-692100] FX Part of this work was performed under the auspices of the U.S. Department of Energy by Lawrence Livermore National Laboratory under Contract DE-AC52-07NA27344 (LLNL-CONF-692100). NR 17 TC 0 Z9 0 U1 0 U2 0 PU ASSOC COMPUTING MACHINERY PI NEW YORK PA 1515 BROADWAY, NEW YORK, NY 10036-9998 USA BN 978-1-5090-3856-5 PY 2016 BP 8 EP 15 DI 10.1109/E2SC.2016.12 PG 8 WC Computer Science, Hardware & Architecture; Computer Science, Theory & Methods; Engineering, Electrical & Electronic SC Computer Science; Engineering GA BG8IF UT WOS:000392312700002 ER PT J AU Ellsworth, D Patki, T Schulz, M Rountree, B Malony, A AF Ellsworth, Daniel Patki, Tapasya Schulz, Martin Rountree, Barry Malony, Allen GP ACM TI A Unified Platform for Exploring Power Management Strategies SO PROCEEDINGS OF 4TH INTERNATIONAL WORKSHOP ON ENERGY EFFICIENT SUPERCOMPUTING (E2SC 2016) LA English DT Proceedings Paper CT 4th International Workshop on Energy Efficient Supercomputing (E2SC) CY NOV 13-18, 2016 CL Salt Lake, UT SP Assoc Comp Machinery, IEEE Comp Soc, SIGHPC AB Power is quickly becoming a first class resource management concern in HPC. Upcoming HPC systems will likely be hardware over-provisioned, which will require enhanced power management subsystems to prevent service interruption. To advance the state of the art in HPC power management research, we are implementing SLURM plugins to explore a range of power-aware scheduling strategies. Our goal is to develop a coherent platform that allows for a direct comparison of various power-aware approaches on research as well as production clusters. C1 [Ellsworth, Daniel; Malony, Allen] Univ Oregon, Eugene, OR 97403 USA. [Ellsworth, Daniel; Patki, Tapasya; Schulz, Martin; Rountree, Barry] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA. RP Ellsworth, D (reprint author), Univ Oregon, Eugene, OR 97403 USA.; Ellsworth, D (reprint author), Lawrence Livermore Natl Lab, Livermore, CA 94550 USA. EM dellswor@cs.uoregon.edu; patki1@llnl.gov; schulzm@llnl.gov; rountree4@llnl.gov; malony@cs.uoregon.edu FU U.S. Department of Energy by Lawrence Livermore National Laboratory [DE-AC52-07NA27344, LLNL-CONF-701437] FX Part of this work was performed under the auspices of the U.S. Department of Energy by Lawrence Livermore National Laboratory under Contract DE-AC52-07NA27344 (LLNL-CONF-701437). NR 17 TC 0 Z9 0 U1 0 U2 0 PU ASSOC COMPUTING MACHINERY PI NEW YORK PA 1515 BROADWAY, NEW YORK, NY 10036-9998 USA BN 978-1-5090-3856-5 PY 2016 BP 24 EP 30 DI 10.1109/E2SC.2016.10 PG 7 WC Computer Science, Hardware & Architecture; Computer Science, Theory & Methods; Engineering, Electrical & Electronic SC Computer Science; Engineering GA BG8IF UT WOS:000392312700004 ER PT J AU Sun, Q Romanus, M Jin, T Yu, HF Bremer, PT Petruzza, S Klasky, S Parashar, M AF Sun, Qian Romanus, Melissa Jin, Tong Yu, Hongfeng Bremer, Peer-Timo Petruzza, Steve Klasky, Scott Parashar, Manish GP ACM TI In-Staging Data Placement for Asynchronous Coupling of Task-Based Scientific Workflows SO PROCEEDINGS OF SECOND INTERNATIONAL WORKSHOP ON EXTREME SCALE PROGRAMMING MODELS AND MIDDLEWARE (ESPM2 2016) LA English DT Proceedings Paper CT 2nd International Workshop on Extreme Scale Programming Models and Middleware (ESPM) CY NOV 13-18, 2016 CL Salt Lake, UT SP Assoc Comp Machinery, IEEE Comp Soc, SIGHPC DE Data storage systems; Couplings; Runtime AB Coupled application workflows composed of applications implemented using task-based models present new coupling and data exchange challenges, due to the asynchronous interaction and coupling behaviors between tasks of the component applications. In this paper, we present an adaptive data placement approach that addresses these challenges by dynamically adjusting to the asynchronous coupling patterns. Specifically, it places data across a set of staging cores/nodes with an awareness of the application-specific data locality requirements and the runtime task executions at these staging cores/nodes, with the goal of reducing end-to-end execution time and data movement overhead of the workflow. We experimentally demonstrate the effectiveness of our approach on the Titan Cray XK7 system using representative data coupling patterns derived from current scientific workflows. The evaluation demonstrates that our approach efficiently improves performance by reducing the time-to-solution and increasing the quality of insights for scientific discovery. C1 [Sun, Qian; Romanus, Melissa; Jin, Tong; Parashar, Manish] Rutgers State Univ, Piscataway, NJ 08854 USA. [Klasky, Scott] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA. [Yu, Hongfeng] Univ Nebraska Lincoln, Lincoln, NE 68588 USA. [Petruzza, Steve] Univ Utah, Salt Lake City, UT 84112 USA. [Bremer, Peer-Timo] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA. RP Sun, Q (reprint author), Rutgers State Univ, Piscataway, NJ 08854 USA. FU National Science Foundation (NSF) [ACI 1339036, ACI 1310283, CNS 1305375, DMS 1228203]; Office of Advanced Scientific Computing Research, Office of Science, of the US Department of Energy Scientific Discovery through Advanced Computing (Sci-DAC) Institute of Scalable Data Management, Analysis and Visualization (SDAV) [DE-SC0007455]; Advanced Scientific Computing Research and Fusion Energy Sciences Partnership for Edge Physics Simulations (EPSI) [DE-FG02-06ER54857]; ExaCT Combustion Co-Design Center via UT Battelle [4000110839]; Office of Science of the U.S. Department of Energy [DE-AC05-00OR22725] FX The research presented in this work is supported in part by National Science Foundation (NSF) via grants numbers ACI 1339036, ACI 1310283, CNS 1305375, and DMS 1228203, by the Director, Office of Advanced Scientific Computing Research, Office of Science, of the US Department of Energy Scientific Discovery through Advanced Computing (Sci-DAC) Institute of Scalable Data Management, Analysis and Visualization (SDAV) under award number DE-SC0007455, the Advanced Scientific Computing Research and Fusion Energy Sciences Partnership for Edge Physics Simulations (EPSI) under award number DE-FG02-06ER54857, and the ExaCT Combustion Co-Design Center via subcontract number 4000110839 from UT Battelle. This used resources of the Oak Ridge Leadership Computing Facility is supported by the Office of Science of the U.S. Department of Energy under Contract No. DE-AC05-00OR22725. The research at Rutgers was conducted as part of the Rutgers Discovery Informatics Institute (RDI2). NR 15 TC 0 Z9 0 U1 0 U2 0 PU ASSOC COMPUTING MACHINERY PI NEW YORK PA 1515 BROADWAY, NEW YORK, NY 10036-9998 USA BN 978-1-5090-3858-9 PY 2016 BP 2 EP 9 DI 10.1109/ESPM2.2016.12 PG 8 WC Computer Science, Software Engineering SC Computer Science GA BG8ID UT WOS:000392309200002 ER PT J AU Rana, VS Lin, MF Chapman, B AF Rana, Verinder S. Lin, Meifeng Chapman, Barbara GP ACM TI A Scalable Task Parallelism Approach For LU Decomposition With Multicore CPUs SO PROCEEDINGS OF SECOND INTERNATIONAL WORKSHOP ON EXTREME SCALE PROGRAMMING MODELS AND MIDDLEWARE (ESPM2 2016) LA English DT Proceedings Paper CT 2nd International Workshop on Extreme Scale Programming Models and Middleware (ESPM) CY NOV 13-18, 2016 CL Salt Lake, UT SP Assoc Comp Machinery, IEEE Comp Soc, SIGHPC DE High performance computing; multithreading; parallel algorithms AB Many scientific applications have linear systems A . x = b which need to be solved for different vectors b. LU decomposition, which is a variant of Gaussian Elimination, is an efficient technique to solve a linear system. The main idea of the LU decomposition is to factorize A into an upper (U) triangular and a lower (L) triangular matrix such that A = LU. This paper presents an OpenMP task parallel approach for the LU factorization of dense matrices. The tasking model is based on the individual computational tasks which occur during the block-wise LU factorization. We describe the right-looking variant of the LU decomposition algorithm in the task parallel approach, and provide an efficient implementation of the algorithm for shared memory machines. We demonstrate that with the task scheduling features provided by OpenMP 4.0, the right-looking LU decomposition can scale well. We then conduct an experimental evaluation of the task parallel implementation in comparison with the parallel-for implementation of the Gaussian elimination with pivoting and LU decomposition using the GNU Scientific Library on a multicore platform. From the experiments we conclude that the proposed task-based implementation is a good solution for solving large systems of linear equations using LU decomposition. C1 [Rana, Verinder S.; Chapman, Barbara] SUNY Stony Brook, Brookhaven Natl Lab, Stony Brook, NY 11794 USA. [Lin, Meifeng] Brookhaven Natl Lab, Upton, NY 11973 USA. RP Rana, VS (reprint author), SUNY Stony Brook, Brookhaven Natl Lab, Stony Brook, NY 11794 USA. FU U.S. Department of Energy, Office of Science [DE-SC0012704] FX This work is supported in part by the U.S. Department of Energy, Office of Science under Contract Number DE-SC0012704 through which Brookhaven National Laboratory is operated. NR 19 TC 0 Z9 0 U1 0 U2 0 PU ASSOC COMPUTING MACHINERY PI NEW YORK PA 1515 BROADWAY, NEW YORK, NY 10036-9998 USA BN 978-1-5090-3858-9 PY 2016 BP 17 EP 23 DI 10.1109/ESPM2.2016.6 PG 7 WC Computer Science, Software Engineering SC Computer Science GA BG8ID UT WOS:000392309200004 ER PT J AU Hollman, DS Bennett, JC Kolla, H Lifflander, J Slattengren, N Wilke, J AF Hollman, David S. Bennett, Janine C. Kolla, Hemanth Lifflander, Jonathan Slattengren, Nicole Wilke, Jeremiah GP ACM TI Metaprogramming- Enabled Parallel Execution of Apparently Sequential C plus plus Code SO PROCEEDINGS OF SECOND INTERNATIONAL WORKSHOP ON EXTREME SCALE PROGRAMMING MODELS AND MIDDLEWARE (ESPM2 2016) LA English DT Proceedings Paper CT 2nd International Workshop on Extreme Scale Programming Models and Middleware (ESPM) CY NOV 13-18, 2016 CL Salt Lake, UT SP Assoc Comp Machinery, IEEE Comp Soc, SIGHPC DE task-based runtimes; template metaprogramming; parallel computing; programming models; execution models AB Task-based execution models have received considerable attention in recent years to meet the performance challenges facing high-performance computing (HPC). In this paper we introduce MetaPASS - Metaprogramming-enabled Parallelism from Apparently Sequential Semantics - a proof-of-concept, non-intrusive header library that enables implicit task-based parallelism in a sequential C++ code. MetaPASS is a data-driven model, relying on dependency analysis of variable read/write accesses to derive a directed acyclic graph (DAG) of the computation to be performed. MetaPASS enables embedding of runtime dependency analysis directly in C++ applications using only template metaprogramming. Rather than requiring verbose task-based code or source-to-source compilers, a native C++ code can be made task-based with minimal modifications. We present an overview of the programming model enabled by MetaPASS and the C++ runtime API required to support it. Details are provided regarding how standard template metaprogramming is used to capture task dependencies. We finally discuss how the programming model can be deployed in both an MPI+X and in a standalone distributed memory context. C1 [Hollman, David S.; Bennett, Janine C.; Kolla, Hemanth; Lifflander, Jonathan; Slattengren, Nicole; Wilke, Jeremiah] Sandia Natl Labs, Scalable Modeling & Anal, Livermore, CA 94550 USA. RP Hollman, DS (reprint author), Sandia Natl Labs, Scalable Modeling & Anal, Livermore, CA 94550 USA. EM dshollm@sandia.gov; jcbenne@sandia.gov; hnkolla@sandia.gov; jjliffl@sandia.gov; nlslatt@sandia.gov; jjwilke@sandia.gov FU U.S. Department of Energy's National Nuclear Security Administration [DE-AC04-94AL85000]; U.S. Department of Energy (DOE) National Nuclear Security Administration (NNSA) Advanced Simulation and Computing (ASC) program FX Sandia National Laboratories is a multi-program laboratory managed and operated by Sandia Corporation, a wholly owned subsidiary of Lockheed Martin Corporation, for the U.S. Department of Energy's National Nuclear Security Administration under contract DE-AC04-94AL85000. This work was supported by the U.S. Department of Energy (DOE) National Nuclear Security Administration (NNSA) Advanced Simulation and Computing (ASC) program. NR 36 TC 0 Z9 0 U1 0 U2 0 PU ASSOC COMPUTING MACHINERY PI NEW YORK PA 1515 BROADWAY, NEW YORK, NY 10036-9998 USA BN 978-1-5090-3858-9 PY 2016 BP 24 EP 31 DI 10.1109/ESPM2.2016.8 PG 8 WC Computer Science, Software Engineering SC Computer Science GA BG8ID UT WOS:000392309200005 ER PT J AU Sunderland, D Peterson, B Schmidt, J Humphrey, A Thornock, J Berzins, M AF Sunderland, Daniel Peterson, Brad Schmidt, John Humphrey, Alan Thornock, Jeremy Berzins, Martin GP ACM TI An Overview of Performance Portability in the Uintah Runtime System Through the Use of Kokkos SO PROCEEDINGS OF SECOND INTERNATIONAL WORKSHOP ON EXTREME SCALE PROGRAMMING MODELS AND MIDDLEWARE (ESPM2 2016) LA English DT Proceedings Paper CT 2nd International Workshop on Extreme Scale Programming Models and Middleware (ESPM) CY NOV 13-18, 2016 CL Salt Lake, UT SP Assoc Comp Machinery, IEEE Comp Soc, SIGHPC DE Uintah; Kokkos; hybrid parallelism; performance portability AB The current diversity in nodal parallel computer architectures is seen in machines based upon multicore CPUs, GPUs and the Intel Xeon Phi's. A class of approaches for enabling scalability of complex applications on such architectures is based upon Asynchronous Many Task software architectures such as that in the Uintah framework used for the parallel solution of solid and fluid mechanics problems. Uintah has both an applications layer with its own programming model and a separate runtime system. While Uintah scales well today, it is necessary to address nodal performance portability in order for it to continue to do. Incrementally modifying Uintah to use the Kokkos performance portability library through prototyping experiments results in improved kernel performance by more than a factor of two. C1 [Sunderland, Daniel] Sandia Natl Labs, Albuquerque, NM 87175 USA. [Peterson, Brad; Schmidt, John; Humphrey, Alan; Berzins, Martin] Univ Utah, Sci Comp & Imaging Inst, Salt Lake City, UT 84112 USA. [Thornock, Jeremy] Univ Utah, Inst Clean & Secure Energy, Salt Lake City, UT 84112 USA. RP Sunderland, D (reprint author), Sandia Natl Labs, Albuquerque, NM 87175 USA. EM dsunder@sandia.gov; bpeterson@sci.utah.edu; jas@sci.utah.edu; ahumphrey@sci.utah.edu; Jeremy.thornock@utah.edu; mb@sci.utah.edu FU DOE NNSA funding [DE-NA0002375]; Sandia National Laboratories on a Ph.D. studentship at the University of Utah; U.S. Department of Energy's National Nuclear Security Administration [DE-AC04-94AL85000] FX DOE NNSA funding under Award Number(s) DE-NA0002375 is gratefully acknowledged for the work of Peterson, Berzins, Humphrey, Schmidt, and Thornock. Erik Lindstrom is thanked for the results in Section 5.1. Dan Sunderland was supported by Sandia National Laboratories on a Ph.D. studentship at the University of Utah.; Sandia National Laboratories is a multi-program laboratory managed and operated by Sandia Corporation, a wholly owned subsidiary of Lockheed Martin Corporation, for the U.S. Department of Energy's National Nuclear Security Administration under contract DE-AC04-94AL85000. NR 6 TC 0 Z9 0 U1 0 U2 0 PU ASSOC COMPUTING MACHINERY PI NEW YORK PA 1515 BROADWAY, NEW YORK, NY 10036-9998 USA BN 978-1-5090-3858-9 PY 2016 BP 44 EP 47 DI 10.1109/ESPM2.2016.10 PG 4 WC Computer Science, Software Engineering SC Computer Science GA BG8ID UT WOS:000392309200008 ER PT J AU Yang, MN Jackson, DR Chen, J Xiong, ZB Williams, JT AF Yang, Mengna Jackson, David R. Chen, Ji Xiong, Zubiao Williams, Jeffery T. GP IEEE TI TDOA Localization Method Based on De-embedding the Propagation Background SO PROCEEDINGS OF THE 2016 TEXAS SYMPOSIUM ON WIRELESS AND MICROWAVE CIRCUITS AND SYSTEMS (WMCS) LA English DT Proceedings Paper CT Texas Symposium on Wireless and Microwave Circuits and Systems (WMCS) CY MAR 31-APR 01, 2016 CL Waco, TX SP Baylor Univ, Wireless & Microwave Circuits & Syst Lab, IEEE Microwave Theory & Tech Soc DE TDOA; NLOS; localization; propagation; imaging AB A novel source localization algorithm that combines the time difference of arrival (TDOA) method and a technique for the de-embedding of the propagation transfer function for non-line-of-sight (NLOS) propagation is proposed, in order to achieve accurate source localization under NLOS conditions. An iterative implementation of the method is given, and results are shown for a simple case of a single wall obstacle. C1 [Yang, Mengna; Jackson, David R.; Chen, Ji; Xiong, Zubiao] Univ Houston, Dept ECE, Houston, TX 77204 USA. [Williams, Jeffery T.] Sandia Natl Labs, POB 5800, Albuquerque, NM 87185 USA. RP Yang, MN (reprint author), Univ Houston, Dept ECE, Houston, TX 77204 USA. NR 5 TC 0 Z9 0 U1 1 U2 1 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA BN 978-1-5090-2755-2 PY 2016 PG 4 WC Engineering, Electrical & Electronic; Telecommunications SC Engineering; Telecommunications GA BG8EP UT WOS:000392264500016 ER PT J AU Evans, N Pedretti, K Kocoloski, B Lange, J Lang, M Bridges, PG AF Evans, Noah Pedretti, Kevin Kocoloski, Brian Lange, John Lang, Michael Bridges, Patrick G. GP ACM TI A Cross-Enclave Composition Mechanism for Exascale System Software SO PROCEEDINGS OF THE 6TH INTERNATIONAL WORKSHOP ON RUNTIME AND OPERATING SYSTEMS FOR SUPERCOMPUTERS, (ROSS 2016) LA English DT Proceedings Paper CT 6th International Workshop on Runtime and Operating Systems for Supercomputers (ROSS) CY JUN 01, 2016 CL Kyoto, JAPAN AB As supercomputers move to exascale, the number of cores per node continues to increase, but the I/O bandwidth between nodes is increasing more slowly. This leads to computational power outstripping I/O bandwidth. This growth, in turn, encourages moving as much of an HPC workflow as possible onto the node in order to minimize data movement. One particular method of application composition, enclaves, co-locates different operating systems and runtimes on the same node where they communicate by in situ communication mechanisms. In this work, we describe a mechanism for communicating between composed applications. We implement a mechanism using Copy on Write cooperating with XEMEM shared memory to provide consistent, implicitly unsynchronized communication across enclaves. We then evaluate this mechanism using a composed application and analytics between the Kitten Lightweight Kernel and Linux on top of the Hobbes Operating System and Runtime. These results show a 3% overhead compared to an application running in isolation, demonstrating the viability of this approach. C1 [Evans, Noah; Pedretti, Kevin] Sandia Natl Labs, Ctr Res Comp, Livermore, CA 94550 USA. [Kocoloski, Brian; Lange, John] Univ Pittsburgh, Dept Comp Sci, Pittsburgh, PA 15260 USA. [Lang, Michael] Los Alamos Natl Lab, Ultrascale Syst Res Ctr, Los Alamos, NM USA. [Bridges, Patrick G.] Univ New Mexico, Dept Comp Sci, Albuquerque, NM 87131 USA. RP Evans, N (reprint author), Sandia Natl Labs, Ctr Res Comp, Livermore, CA 94550 USA. EM nevans@sandia.gov; ktpedre@sandia.gov; briankoco@cs.pitt.edu; jacklange@cs.pitt.edu; mlang@lanl.gov; bridges@cs.unm.edu FU DOE Office of Science, Advanced Scientific Computing Research [DE-SC0005050]; U.S. Department of Energy's National Nuclear Security Administration [DE-AC04-94AL85000]; U.S. Department of Energy [DE-AC52-06NA25396] FX This work was supported in part by the 2013 Exascale Operating and Runtime Systems Program from the DOE Office of Science, Advanced Scientific Computing Research, under award number DE-SC0005050, and program manager Sonia Sachs. Sandia National Laboratories is a multi-program laboratory managed and operated by Sandia Corporation, a wholly owned subsidiary of Lockheed Martin Corporation, for the U.S. Department of Energy's National Nuclear Security Administration under contract DE-AC04-94AL85000. Los Alamos National Laboratory is operated by Los Alamos National Security LLC for the U.S. Department of Energy under contract DE-AC52-06NA25396. NR 23 TC 0 Z9 0 U1 0 U2 0 PU ASSOC COMPUTING MACHINERY PI NEW YORK PA 1515 BROADWAY, NEW YORK, NY 10036-9998 USA BN 978-1-4503-4387-9 PY 2016 DI 10.1145/2931088.2931094 PG 8 WC Computer Science, Theory & Methods SC Computer Science GA BG8MH UT WOS:000392436300003 ER PT S AU Cole, DP Henry, TC Gardea, F Haynes, R AF Cole, Daniel P. Henry, Todd C. Gardea, Frank Haynes, Robert GP ASME TI DAMAGE PRECURSORS IN INDIVIDUAL MICROFIBERS SO PROCEEDINGS OF THE ASME CONFERENCE ON SMART MATERIALS, ADAPTIVE STRUCTURES AND INTELLIGENT SYSTEMS, 2016, VOL 1 SE Proceedings of the ASME Conference on Smart Materials Adaptive Structures and Intelligent Systems LA English DT Proceedings Paper CT ASME Conference on Smart Materials, Adaptive Structures and Intelligent Systems CY SEP 28-30, 2016 CL Stowe, VT SP ASME, Aerosp Div ID INDENTATION; COMPOSITES AB Structural health monitoring of composite materials is limited by the lack of fundamental understanding of early stage damage at the local material level. This includes damage precursor formation on fiber surfaces, within the matrix, and at the fiber-matrix interface/interphase. In this effort, we present a micro-/nano-scale technique for characterizing damage precursor formation on individual carbon fibers exposed to cyclic tensile loads. Nanoindentation and atomic force microscopy (AFM) were used to study the local properties of the individual microfibers before and after global loading events. An AFM image analysis was used to track evolution of topography on the fiber surfaces. The work is a first step toward understanding damage precursor formation in individual microfibers; the work is expected to enable multiscale composites modeling efforts as well as enable the development of future self-sensing materials. C1 [Cole, Daniel P.; Henry, Todd C.; Haynes, Robert] US Army Res Lab, Vehicle Technol Directorate, Aberdeen Proving Ground, MD 21005 USA. [Gardea, Frank] Oak Ridge Associated Univ, Oak Ridge, TN USA. RP Cole, DP (reprint author), US Army Res Lab, Vehicle Technol Directorate, Aberdeen Proving Ground, MD 21005 USA. NR 14 TC 0 Z9 0 U1 0 U2 0 PU AMER SOC MECHANICAL ENGINEERS PI NEW YORK PA THREE PARK AVENUE, NEW YORK, NY 10016-5990 USA SN 2153-2001 BN 978-0-7918-5048-0 J9 PROC ASME CONF SMART PY 2016 AR V001T05A005-1 PG 5 WC Engineering, Mechanical; Materials Science, Multidisciplinary; Mechanics SC Engineering; Materials Science; Mechanics GA BG8KA UT WOS:000392361000054 ER PT S AU Barbier, C Dominguez-Ontiveros, E AF Barbier, C. Dominguez-Ontiveros, E. GP ASME TI IMPROVING COMPUTATIONAL FLUID DYNAMICS SIMULATIONS FOR THE SPALLATION NEUTRON SOURCE JET-FLOW TARGET SO PROCEEDINGS OF THE ASME FLUIDS ENGINEERING DIVISION SUMMER MEETING, 2016, VOL 1A SE ASME Fluids Engineering Division Summer Meeting LA English DT Proceedings Paper CT ASME Fluids Engineering Division Summer Meeting CY JUL 10-14, 2016 CL Washington, DC SP ASME, Fluids Engn Div ID CAVITATION DAMAGE AB This manuscript has been authored by UT-Battelle, LLC under Contract No. DE-AC05-00OR22725 with the U.S. Department of Energy. The United States Government retains and the publisher, by accepting the article for publication, acknowledges that the United States Government retains a non-exclusive, paid-up, irrevocable, world-wide license to publish or reproduce the published form of this manuscript, or allow others to do so, for United States Government purposes. The Department of Energy will provide public access to these results of federally sponsored research in accordance with the DOE Public Access Plan(http://energy.gov/downloads/doe-public-access-plan). C1 [Barbier, C.; Dominguez-Ontiveros, E.] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA. RP Barbier, C (reprint author), Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA. NR 11 TC 0 Z9 0 U1 0 U2 0 PU AMER SOC MECHANICAL ENGINEERS PI NEW YORK PA THREE PARK AVENUE, NEW YORK, NY 10016-5990 USA SN 1093-4928 BN 978-0-7918-5028-2 J9 ASME FLUID ENG DIV PY 2016 AR V01AT03A011 PG 7 WC Engineering, Mechanical; Mechanics SC Engineering; Mechanics GA BG8JS UT WOS:000392354900020 ER PT S AU Celik, IB Ma, ZY Benyahia, S AF Celik, Ismail B. Ma, Zhiyuan Benyahia, Sofiane GP ASME TI DISCRETIZATION ERROR ESTIMATION IN TRANSIENT FLOW SIMULATIONS SO PROCEEDINGS OF THE ASME FLUIDS ENGINEERING DIVISION SUMMER MEETING, 2016, VOL 1A SE ASME Fluids Engineering Division Summer Meeting LA English DT Proceedings Paper CT ASME Fluids Engineering Division Summer Meeting CY JUL 10-14, 2016 CL Washington, DC SP ASME, Fluids Engn Div ID TRANSPORT-EQUATION; QUANTIFICATION AB Most methods presented in the literature for estimation of discretization errors focus primarily on steady flows. The transport of error in strongly transient flow has not been adequately addressed. Issues related to transient error calculations are discussed and some methods that are viable for such applications are proposed. Examples are presented on simple flows such as transient Burgers equation followed by applications to more complex flows, e.g. two-phase gas-solid flow relevant fluidized beds. It is demonstrated that error estimation can be made with reasonable accuracy using a combination of various methods. C1 [Celik, Ismail B.] West Virginia Univ, Dept Mech & Aerosp Engn, Morgantown, WV 26506 USA. [Ma, Zhiyuan] West Virginia Univ, Corp Res, Morgantown, WV USA. [Benyahia, Sofiane] Natl Energy Technol Lab, Morgantown, WV USA. RP Celik, IB (reprint author), West Virginia Univ, Dept Mech & Aerosp Engn, Morgantown, WV 26506 USA. NR 20 TC 0 Z9 0 U1 0 U2 0 PU AMER SOC MECHANICAL ENGINEERS PI NEW YORK PA THREE PARK AVENUE, NEW YORK, NY 10016-5990 USA SN 1093-4928 BN 978-0-7918-5028-2 J9 ASME FLUID ENG DIV PY 2016 AR V01AT06A005 PG 11 WC Engineering, Mechanical; Mechanics SC Engineering; Mechanics GA BG8JS UT WOS:000392354900044 ER PT S AU Hai, BSME Bause, M Kuberry, P AF Hai, Bhuiyan Shameem Mahmood Ebna Bause, Markus Kuberry, Paul GP ASME TI FINITE ELEMENT APPROXIMATION OF THE EXTENDED FLUID-STRUCTURE INTERACTION (EXFSI) PROBLEM SO PROCEEDINGS OF THE ASME FLUIDS ENGINEERING DIVISION SUMMER MEETING, 2016, VOL 1A SE ASME Fluids Engineering Division Summer Meeting LA English DT Proceedings Paper CT ASME Fluids Engineering Division Summer Meeting CY JUL 10-14, 2016 CL Washington, DC SP ASME, Fluids Engn Div DE Fluid-structure interaction (FSI); wave propagation in fluid-structure interface (WpFSI); Galerkin finite element method; arbitrary Lagrangian Eulerian framework AB This contribution is the second part of three papers on Adaptive Multigr, id Methods for the eXtended Fluid-Structure Interaction (eXFSI) Problem, where we introduce a monolithic variational formulation and solution techniques. To the best of our knowledge, such a model is new in the literature. This model is used to design an on-line structural health monitoring (SHM) system in order to determine the coupled acoustic and elastic wave propagation in moving domains and optimum locations for SIEVI sensors. In a monolithic nonlinear fluid-structure interaction (FSI), the fluid and structure models are formulated in different coordinate systems. This makes the FSI setup of a common variational description difficult and challenging. This article presents the state-of-the-art in the finite element approximation of FSI problem based on monolithic variational formulation in the well-established arbitrary Lagrangian Eulerian (ALE) framework. This research focuses on the newly developed mathematical model of a new FSI problem, which is referred to as extended Fluid-Structure Interaction (eXFSI) problem in the ALE framework. The eXFSI is a strongly coupled problem of typical FSI with a coupled wave propagation problem on the fluid-solid interface (WpFSI). The WpFSI is a strongly coupled problem of acoustic and elastic wave equations, where wave propagation problems automatically adopts the boundary conditions from the FSI problem at each time step. The ALE approach provides a simple but powerful procedure to couple solid deformations with fluid flows by a monolithic solution algorithm. In such a setting, the fluid problems are transformed to a fixed reference configuration by the ALE mapping. The goal of this work is the development of concepts for the efficient numerical solution of eXFSI problem, the analysis of various fluid-solid mesh motion techniques and comparison of different second-order time stepping schemes. This work consists of the investigation of different time stepping scheme formulations for a nonlinear FSI problem coupling the acoustic/elastic wave propagation on the fluid-structure interface. Temporal discretization is based on finite differences and is formulated as a one step-0 scheme, from which we can consider the following particular cases: the implicit Euler, Crank-Nicolson, shifted Crank-Nicolson and the Fractional-Step-theta schemes. The nonlinear problem is solved with a Newton-like method where the discretization is done with a Galerkin finite element scheme. The implementation is accomplished via the software library package DOPELIB based on the de al. I I finite element library for the computation of different eXFSI configurations. C1 [Hai, Bhuiyan Shameem Mahmood Ebna; Bause, Markus] Helmut Schmidt Univ, Dept Mech Engn, Hamburg, Germany. [Kuberry, Paul] Sandia Natl Labs, Ctr Res Comp, POB 5800, Albuquerque, NM 87185 USA. RP Hai, BSME (reprint author), Helmut Schmidt Univ, Dept Mech Engn, Hamburg, Germany. EM shameem.ebna.hai@hsu-hh.de FU U.S. Department of Energy's National Nuclear Security Administration [DE-AC04-94AL85000] FX Sandia National Laboratories is a multi-program laboratory managed and operated by Sandia Corporation, a wholly owned subsidiary of Lockheed Martin Corporation, for the U.S. Department of Energy's National Nuclear Security Administration under contract DE-AC04-94AL85000. NR 19 TC 0 Z9 0 U1 0 U2 0 PU AMER SOC MECHANICAL ENGINEERS PI NEW YORK PA THREE PARK AVENUE, NEW YORK, NY 10016-5990 USA SN 1093-4928 BN 978-0-7918-5028-2 J9 ASME FLUID ENG DIV PY 2016 AR V01AT11A001 PG 12 WC Engineering, Mechanical; Mechanics SC Engineering; Mechanics GA BG8JS UT WOS:000392354900068 ER PT S AU Merzari, E Solberg, J Fischer, P Ferencz, RM AF Merzari, Elia Solberg, Jerome Fischer, Paul Ferencz, Robert M. GP ASME TI A HIGH-FIDELITY APPROACH FOR THE SIMULATION OF FLOW-INDUCED VIBRATION SO PROCEEDINGS OF THE ASME FLUIDS ENGINEERING DIVISION SUMMER MEETING, 2016, VOL 1A SE ASME Fluids Engineering Division Summer Meeting LA English DT Proceedings Paper CT ASME Fluids Engineering Division Summer Meeting CY JUL 10-14, 2016 CL Washington, DC SP ASME, Fluids Engn Div AB Flow-induced vibration (FIV) is a widespread problem in energy systems because they rely on fluid movement for energy conversion. Vibrating structures may be damaged as fatigue or wear occur. Given the importance of reliable components in the nuclear industry, flow-induced vibrations have long been a major concern in the safety and operation of nuclear reactors. In particular, nuclear fuel and steam generators have been known to suffer from flow-induced 'vibrations and related failures. Over the past five years, the Nuclear Energy Advanced Modeling and Simulation program has developed the integrated multiphysics code suite SHARP. The goal of developing such a tool is to perform multiphysics modeling of the components inside a reactor core, the full reactor core or portions of it, and be able to achieve that with various levels of fidelity. This flexibility allows users to select the appropriate level of fidelity for their computational resources and design constraints. In particular SHARP contains high-fidelity single-physics codes for structural mechanics and fluid mechanics calculations: the structural mechanics implicit code Diablo and the computational fluid dynamics spectral element code Nek5000. Both codes are state-of-the-art. highly scalable (up to millions of processors in the case of Nek5000) tools that have been extensively validated. These tools form a strong basis on which to build an FIV modeling capability. This work discusses in detail the implementation of a fluid structure interaction methodology in SHARP for simulating flow-induced viration based on the coupling between Diablo and Nek5000. Initial verification and validation efforts are also discussed, with a focus on standard benchmark cases: the flow past a cylinder, the Turek benchmark, and the flow in a Coriolis flow meter. C1 [Merzari, Elia; Fischer, Paul] Argonne Natl Lab, Math & Comp Sci Div, Lemont, IL 60439 USA. [Solberg, Jerome] Lawrence Livermore Natl Lab, Def Technol Engn Div, Livermore, CA USA. [Ferencz, Robert M.] Lawrence Livermore Natl Lab, Computat Engn Div, Livermore, CA USA. RP Merzari, E (reprint author), Argonne Natl Lab, Math & Comp Sci Div, Lemont, IL 60439 USA. FU U.S. Department of Energy, Office of Nuclear Energy as part of the NEAMS Program FX This material was based upon work supported by the U.S. Department of Energy, Office of Nuclear Energy, as part of the NEAMS Program. NR 10 TC 0 Z9 0 U1 1 U2 1 PU AMER SOC MECHANICAL ENGINEERS PI NEW YORK PA THREE PARK AVENUE, NEW YORK, NY 10016-5990 USA SN 1093-4928 BN 978-0-7918-5028-2 J9 ASME FLUID ENG DIV PY 2016 AR V01AT03A019 PG 8 WC Engineering, Mechanical; Mechanics SC Engineering; Mechanics GA BG8JS UT WOS:000392354900028 ER PT S AU Duignan, MR Reigel, MM Imrich, KJ Restivo, ML Fowley, MD AF Duignan, Mark R. Reigel, Marissa M. Imrich, Kenneth J. Restivo, Michael L. Fowley, Mark D. GP ASME TI WEAR RATE TO STAINLESS STEEL PIPE FROM LIQUID-SOLID SLURRY SO PROCEEDINGS OF THE ASME FLUIDS ENGINEERING DIVISION SUMMER MEETING, 2016, VOL 1B SE ASME Fluids Engineering Division Summer Meeting LA English DT Proceedings Paper CT ASME Fluids Engineering Division Summer Meeting CY JUL 10-14, 2016 CL Washington, DC SP ASME, Fluids Engn Div AB The United States Department of Energy is building a Waste Treatment Plant (WTP) at the DOE Hanford Site in the state of Washington to process stored radioactive wastes for long-term storage and disposal. The Savannah River National Laboratory (SRNL) is helping resolve technical concerns with the WTP, which are related to piping erosion/corrosion (wear). SRNL is assisting in the design of a flow loop to obtain long term wear that will use prototypic simulant chemistry, operating conditions, and materials for total wear rate. The challenge is to accurately measure slurry wear to a pipe wall thickness tolerance of similar to 47 microns/year anywhere in the test flow loop in a timely manner. To help in the design of the flow loop a test was performed with a smaller loop, which contained many of the pipe fittings expected in WTP to determine where high wear locations exist. One aspect of this test was to understand the rate of wear to straight pipe and to protrusions from the surface of the pipe. Initially, wear to straight pipe was studied because wear in other flow loop situations, e.g., around bends, through tees, etc. will be higher. To measure such low wear rates requires sensitive measurement techniques. To that end, twelve wear coupons were placed in one section of the pipe system and at different protrusion heights into the flow stream. They were made of 316L stainless steel, which is the expected material of pipe to be utilized. From the wear coupons, an estimate of wear rate was obtained, as well as illustrating when a protrusion above a pipe surface no longer disturbs the flow streams with respect to slurry wear. It appears when a surface is just above the laminar sublayer it produces a wear rate equivalent to a surface with no protrusions. The slurry was a mixture of water and 30 wt% of sand, d(50) similar to 200 microns. The test flow conditions were a velocity of 4 m/s in a 0.07793-m inside diameter (3-inch, Schedule 40) pipe system, resulting in Reynolds number just above 3 x 10(5), i.e., turbulent flow at a temperature of 25 degrees C. The wear was to a vertically oriented straight section of pipe that was 1.86 meter long. The twelve wear coupons were located on the inside surface starting from 10 diameters from the pipe entrance to 21 diameters, with a separation of 1-pipe diameter between each successive coupon. Furthermore, each set of two adjacent coupons were rotated 180 degrees apart which were then rotated 30 degrees from the next set to minimize disturbance to the flow for the downstream coupon. This paper describes the wear rates obtained, the effect of increasing a wear coupon's protrusion into the flow stream, and the overall operation of the test apparatus. C1 [Duignan, Mark R.; Reigel, Marissa M.; Imrich, Kenneth J.; Restivo, Michael L.; Fowley, Mark D.] Savannah River Nucl Solut, Savannah River Natl Lab, Aiken, SC 29801 USA. RP Duignan, MR (reprint author), Savannah River Nucl Solut, Savannah River Natl Lab, Aiken, SC 29801 USA. FU U.S. Department of Energy FX The U.S. Department of Energy supported this work. NR 12 TC 0 Z9 0 U1 0 U2 0 PU AMER SOC MECHANICAL ENGINEERS PI NEW YORK PA THREE PARK AVENUE, NEW YORK, NY 10016-5990 USA SN 1093-4928 BN 978-0-7918-5029-9 J9 ASME FLUID ENG DIV PY 2016 AR V01BT33A010 PG 11 WC Engineering, Mechanical; Mechanics SC Engineering; Mechanics GA BG8JT UT WOS:000392355300083 ER PT S AU Makarashvili, V Merzari, E Obabko, A Fischer, P Siegel, A AF Makarashvili, Vakhtang Merzari, Elia Obabko, Aleksandr Fischer, Paul Siegel, Andrew GP ASME TI ACCELERATING THE HIGH-FIDELITY SIMULATION OF TURBULENCE: ENSEMBLE AVERAGING SO PROCEEDINGS OF THE ASME FLUIDS ENGINEERING DIVISION SUMMER MEETING, 2016, VOL 1B SE ASME Fluids Engineering Division Summer Meeting LA English DT Proceedings Paper CT ASME Fluids Engineering Division Summer Meeting CY JUL 10-14, 2016 CL Washington, DC SP ASME, Fluids Engn Div AB Computational fluid dynamics (CFD) is increasingly used to simulate complex industrial systems. Most CFD analysis relies on the Reynolds-averaged Navier-Stokes (RANS) approach and traditional two-equation turbulence models. Higher-fidelity approaches to the simulation of turbulence such as wall resolved large eddy simulation (LES) and direct numerical simulation (DNS) remain limited to smaller applications or to large supercomputing platforms. Nonetheless, continued advances in supercomputing are enabling the simulation of physical systems of increasing size and complexity. These simulatiohs can be used to gain unprecedented insight into the physics of turbulence in complex flows and will become more widespread as petascale architectures become more accessible. As the scale and size of LES and DNS simulations increase, however, the limitations of current algorithms become apparent. For larger systems, more temporal and spatial scale must be resolved, thus increasing the time-scale separation. While the smaller time scales dictate the size and the computational cost associated with each time step, the larger time scales dictate the length of the transient. An increased time-scale separation leads to smaller time steps and longer transients, eventually leading to simulations that are impractical or infeasible. In practice the presence of multiple and strongly separated time scales limits the effectiveness of CFD algorithms for LES and DNS applied to large industrial systems. Moreover, the situation is likely to become worse as even larger systems are simulated, thus increasing the size and length of transients. At the same time transients currently simulated on petascale architectures are unlikely to become any faster on exascale architectures. This paper presents an ensemble-averaging technique for transient simulations, aimed at collecting averaged turbulent statistics faster. The focus is on ergodic flows and simulations. Ensemble averaging involves creating multiple models and combining them to produce a desired output. This technique is commonplace in machine learning and artificial neural networks, and it is at the basis of RANS/URANS turbulence modeling. In the proposed approach, multiple instances of the same ergodic flows are simulated in parallel for a short time and summed to create an ensemble. Provided each instance is sufficiently statistically decorrelated, this allows considerable reduction in the time to solution. This paper focuses on the theory and implementation of the methodology in Nek5000, a massively parallel open-source spectral-element code. Also presented is the application of the method to the DNS and LES simulation of channel flow and pipe flow. C1 [Makarashvili, Vakhtang; Merzari, Elia; Obabko, Aleksandr; Fischer, Paul; Siegel, Andrew] Argonne Natl Lab, Math & Comp Sci Div, Lemont, IL 60439 USA. RP Makarashvili, V (reprint author), Argonne Natl Lab, Math & Comp Sci Div, Lemont, IL 60439 USA. FU U.S. Department of Energy Office of Science laboratory [DE-AC02-06CH11357] FX The submitted manuscript has been created by UChicago Argonne, LLC, Operator of Argonne National Laboratory ("Argonne"). Argonne, a U.S. Department of Energy Office of Science laboratory, is operated under Contract No. DE-AC02-06CH11357. The U.S. Government retains for itself, and others acting on its behalf, a paid-up nonexclusive, irrevocable worldwide license in said article to reproduce, prepare derivative works, distribute copies to the public, and perform publicly and display publicly, by or on behalf of the Government. NR 11 TC 0 Z9 0 U1 1 U2 1 PU AMER SOC MECHANICAL ENGINEERS PI NEW YORK PA THREE PARK AVENUE, NEW YORK, NY 10016-5990 USA SN 1093-4928 BN 978-0-7918-5029-9 J9 ASME FLUID ENG DIV PY 2016 AR V01BT26A003 PG 9 WC Engineering, Mechanical; Mechanics SC Engineering; Mechanics GA BG8JT UT WOS:000392355300048 ER PT S AU O'Hern, TJ Torczynski, JR Clausen, JR AF O'Hern, Timothy J. Torczynski, John R. Clausen, Jonathan R. GP ASME TI MULTIPHASE EFFECTS IN DYNAMIC SYSTEMS UNDER VIBRATION SO PROCEEDINGS OF THE ASME FLUIDS ENGINEERING DIVISION SUMMER MEETING, 2016, VOL 1B SE ASME Fluids Engineering Division Summer Meeting LA English DT Proceedings Paper CT ASME Fluids Engineering Division Summer Meeting CY JUL 10-14, 2016 CL Washington, DC SP ASME, Fluids Engn Div AB Analysis, simulations, and experiments are performed for a piston in a vibrated liquid-filled cylinder, where the damping caused by forcing liquid through narrow gaps depends almost linearly on the piston position. Adding a little gas completely changes the dynamics of this spring-mass-damper system when it is subject to vibration. When no gas is present, the piston's vibrational response is highly overdamped due to the viscous liquid being forced through the narrow gaps. When a small amount of gas is added, Bjerknes forces cause some gas to migrate below the piston. The resulting pneumatic spring enables the liquid to move with the piston so that little liquid is forced through the gaps. This "Couette mode" thus has low damping and a strong resonance near the frequency given by the pneumatic spring constant and the piston mass. Near this frequency, the piston response is large, and the nonlinearity from the varying gap length produces a net force on the piston. This "rectified" force can be many times the piston's weight and can cause the piston to compress its supporting spring. A surrogate system in which the gas regions are replaced by upper and lower bellows with similar compressibility is studied. A recently developed theory for the piston and bellows motions is compared to finite element simulations. The liquid obeys the unsteady incompressible Navier-Stokes equations, and the piston and the bellows obey Newton's 2nd Law. Due to the large piston displacements near resonance, an Arbitrary Lagrangian Eulerian (ALE) technique with a sliding-mesh scheme is used to limit mesh distortion. Theory and simulation results for the piston motion are in good agreement. Experiments are performed with liquid only, with gas present, and with upper and lower bellows replacing the gas. Liquid viscosity, bellows compressibility, vibration amplitude, and gap geometry are varied to determine their effects on the frequency at which the rectified force makes the piston move down. This critical frequency is found to depend on whether the frequency is increased or decreased with time. C1 [O'Hern, Timothy J.; Torczynski, John R.; Clausen, Jonathan R.] Sandia Natl Labs, POB 5800, Albuquerque, NM 87185 USA. RP O'Hern, TJ (reprint author), Sandia Natl Labs, POB 5800, Albuquerque, NM 87185 USA. FU U.S. Department of Energy's National Nuclear Security Administration [DE-AC04-94AL85000] FX Sandia National Laboratories is a multi-program laboratory managed and operated by Sandia Corporation, a wholly owned subsidiary of Lockheed Martin Corporation, for the U.S. Department of Energy's National Nuclear Security Administration under contract DE-AC04-94AL85000. NR 14 TC 0 Z9 0 U1 0 U2 0 PU AMER SOC MECHANICAL ENGINEERS PI NEW YORK PA THREE PARK AVENUE, NEW YORK, NY 10016-5990 USA SN 1093-4928 BN 978-0-7918-5029-9 J9 ASME FLUID ENG DIV PY 2016 AR V01BT33A014 PG 9 WC Engineering, Mechanical; Mechanics SC Engineering; Mechanics GA BG8JT UT WOS:000392355300087 ER PT S AU Pease, LF Bamberger, JA Mahoney, LA Yokuda, ST Minette, MJ AF Pease, Leonard F. Bamberger, Judith Ann Mahoney, Lenna A. Yokuda, S. Thomas Minette, Michael J. GP ASME TI A SIMPLE CRITERION TO ESTIMATE PERFORMANCE OF PULSE JET MIXED VESSELS SO PROCEEDINGS OF THE ASME FLUIDS ENGINEERING DIVISION SUMMER MEETING, 2016, VOL 1B SE ASME Fluids Engineering Division Summer Meeting LA English DT Proceedings Paper CT ASME Fluids Engineering Division Summer Meeting CY JUL 10-14, 2016 CL Washington, DC SP ASME, Fluids Engn Div AB Pulse jet mixed process vessels comprise a key element of the U.S. Department of Energy's strategy to process millions of gallons of legacy nuclear waste slurries. Slurry suctioned into a pulse jet mixer (PJM) tube at the end of one pulse is pneumatically driven from the PJM toward the bottom of the vessel at the beginning of the next pulse, forming a jet. The jet front traverses the distance from nozzle outlet to the bottom of the vessel and spreads out radially. Varying numbers of PJMs are typically arranged in a ring configuration within the vessel at a selected radius and operated concurrently. Centrally directed radial flows from neighboring jets collide to create a central upwell that elevates the solids in the center of the vessel when the PJM tubes expel their contents. An essential goal of PJM operation is to elevate solids to the liquid surface to minimize stratification. Solids stratification may adversely affect throughput of the waste processing plant. Unacceptably high slurry densities at the base of the vessel may plug the pipeline through which the slurry exits the vessel. Additionally, chemical reactions required for processing may not achieve complete conversion. To avoid these conditions, a means of predicting the elevation to which the solids rise in the central upwell that can be used during vessel design remains essential. In this paper we present a simple criterion to evaluate the extent of solids elevation achieved by a turbulent upwell jet. The criterion asserts that at any location in the central upwell the local velocity must be in excess of a cutoff velocity to remain turbulent. We find that local velocities in excess of 0.6 m/s are necessary for turbulent jet flow through both Newtonian and yield stress slurries. By coupling this criterion with the free jet velocity equation relating the local velocity to elevation in the central upwell, we estimate the elevation at which turbulence fails, and consequently the elevation at which the upwell fails to further lift the slurry. Comparing this elevation to the vessel fill level predicts whether the jet flow will achieve the full vertical extent of the vessel at the center. This simple local-velocity criterion determines a minimum PJM nozzle velocity at which the full vertical extent of the central upwell in PJM vessels will be turbulent. The criterion determines a minimum because flow in regions peripheral to the central upwelling jet may not be turbulent, even when the center of the vessel in the upwell is turbulent, if the jet pulse duration is too short. The local-velocity criterion ensures only that there is sufficient wherewithal for the turbulent jet flow to drive solids to the surface in the center of the vessel in the central upwell. C1 [Pease, Leonard F.; Bamberger, Judith Ann; Mahoney, Lenna A.; Yokuda, S. Thomas; Minette, Michael J.] Pacific Northwest Natl Lab, Richland, WA 99352 USA. RP Pease, LF (reprint author), Pacific Northwest Natl Lab, Richland, WA 99352 USA. FU US Department of Energy Office of River Protection FX We gratefully acknowledge thoughtful review by Kurt Recknagle and Elizabeth Golovich; insightful conversations with Michael Poirier, Art Etchells, Beric Wells, Carl Enderlin, and Loni Peurrung; contract support from Bechtel National Inc.; and funding support from the US Department of Energy Office of River Protection. NR 11 TC 0 Z9 0 U1 0 U2 0 PU AMER SOC MECHANICAL ENGINEERS PI NEW YORK PA THREE PARK AVENUE, NEW YORK, NY 10016-5990 USA SN 1093-4928 BN 978-0-7918-5029-9 J9 ASME FLUID ENG DIV PY 2016 AR V01BT24A004 PG 6 WC Engineering, Mechanical; Mechanics SC Engineering; Mechanics GA BG8JT UT WOS:000392355300034 ER PT S AU Bamberger, JA Enderlin, CW AF Bamberger, Judith Ann Enderlin, Carl W. GP ASME TI EXPERIMENTAL EVALUATION OF DUAL-OPPOSED JET MIXER PUMP PERFORMANCE FOR SLURRY MIXING SO PROCEEDINGS OF THE ASME FLUIDS ENGINEERING DIVISION SUMMER MEETING, 2016, VOL 2: FORA SE ASME Fluids Engineering Division Summer Meeting LA English DT Proceedings Paper CT ASME Fluids Engineering Division Summer Meeting CY JUL 10-14, 2016 CL Washington, DC SP ASME, Fluids Engn Div AB Million-gallon double-shell tanks at Hanford are used to store transuranic, high-level, and low-level radioactive wastes. These wastes consist of a large volume of salt-laden solution covering a smaller volume of settled sludge primarily containing metal hydroxides. These wastes will be retrieved and processed into immobile waste forms suitable for permanent disposal. Retrieval is an important step in implementing these disposal scenarios. The retrieval concept evaluated is to use submerged dual-nozzle jet mixer pumps with horizontally oriented nozzles located near the tank floor that produce horizontal jets of fluid to mobilize the settled solids. The mixer pumps are oscillated through 180 degrees about a vertical axis so the high velocity fluid jets sweep across the floor of the tank. After the solids are mobilized, the pumps will continue to operate at a reduced flow rate producing lower velocity jets sufficient to maintain the particles in a uniform suspension (concentration uniformity). Several types of waste and tank configurations exist at Hanford. The jet mixer pump systems and operating conditions required to mobilize sludge and maintain slurry uniformity will be a function of the waste type and tank configuration. The focus of this work was to conduct a 1/12-scale experiment to develop an analytical model to relate slurry uniformity to tank and mixer pump configurations, operating conditions, and sludge properties. This experimental study evaluated concentration uniformity in a 1/12-scale experiment varying the Reynolds number (Re), Froude number (Fr), and gravitational settling parameter (Gs) space. Simulant physical properties were chosen to obtain the required Re and Gs where Re and Gs were varied by adjusting the kinematic viscosity and mean particle diameter, respectively. Test conditions were achieved by scaling the jet nozzle exit velocity in a 75-in. diameter tank using a mock-up of a centrally located dual-opposed jet mixer pump located just above the tank floor. Concentration measurements at sampling locations throughout the tank were used to assess the degree of uniformity achieved during each test. Concentration data was obtained using a real time in-situ ultrasonic attenuation probe and post-test analysis of discrete batch samples. The undissolved solids concentration at these locations was analyzed to determine whether the tank contents were uniform (<= +/- 10% variation about mean) or nonuniform (> +/- 10% variation about mean) in concentration. Concentration inhomogeneity was modeled as a function of dimensionless parameters. The parameters that best describe the maximum solids volume fraction that can be suspended were found to be 1) the Fr based on nozzle average discharge velocity and tank contents level and 2) the dimensionless particle size based on nozzle diameter. The dependence on the jet Re does not appear to be statistically significant. C1 [Bamberger, Judith Ann; Enderlin, Carl W.] Pacific Northwest Natl Lab, Richland, WA 99354 USA. RP Bamberger, JA (reprint author), Pacific Northwest Natl Lab, Richland, WA 99354 USA. NR 16 TC 0 Z9 0 U1 0 U2 0 PU AMER SOC MECHANICAL ENGINEERS PI NEW YORK PA THREE PARK AVENUE, NEW YORK, NY 10016-5990 USA SN 1093-4928 BN 978-0-7918-5031-2 J9 ASME FLUID ENG DIV PY 2016 AR V002T10A002 PG 10 WC Engineering, Mechanical; Mechanics SC Engineering; Mechanics GA BG8JU UT WOS:000392356200008 ER PT B AU McMasters, RL de Monte, F Beck, JV Amos, DE AF McMasters, Robert L. de Monte, Filippo Beck, James V. Amos, Donald E. GP ASME TI Transient Two-Dimensional Heat Conduction Problem with Partial Heating near Corners SO PROCEEDINGS OF THE ASME SUMMER HEAT TRANSFER CONFERENCE, 2016, VOL 2 LA English DT Proceedings Paper CT ASME Summer Heat Transfer Conference CY JUL 10-14, 2016 CL Washington, DC SP ASME, Heat Transfer Div DE Analytical; Conduction; Green's Functions; Penetration ID INTRINSIC VERIFICATION; MULTILAYER BODIES; GREENS-FUNCTIONS; TEMPERATURE; TIME AB This paper provides a solution for two-dimensional heating over a rectangular region on a homogeneous plate. It has application to verification of numerical conduction codes as well as direct application for heating and cooling of electronic equipment. Additionally, it can be applied as a direct solution for the inverse heat conduction problem, most notably used in thermal protection systems for re-entry vehicles. The solutions used in this work are generated using Green's functions. Two approaches are used which provide solutions for either semi-infinite plates or finite plates with isothermal conditions which are located a long distance from the heating. The methods are both efficient numerically and have extreme accuracy, which can be used to provide additional solution verification. The solutions have components that are shown to have physical significance. The extremely precise nature of analytical solutions allows them to be used as prime standards for their respective transient conduction cases. This extreme precision also allows an accurate calculation of heat flux by finite differences between two points of very close proximity which would not be possible with numerical solutions. This is particularly useful near heated surfaces and near corners. Similarly, sensitivity coefficients for parameter estimation problems can be calculated with extreme precision using this same technique. Another contribution of these solutions is the insight that they can bring. Important dimensionless groups are identified and their influence can be more readily seen than with numerical results. For linear problems, basic heating elements on plates, for example, can be solved to aid in understanding more complex cases. Furthermore these basic solutions can be superimposed both in time and space to obtain solutions for numerous other problems. This paper provides an analytical two-dimensional, transient solution for heating over a rectangular region on a homogeneous square plate. Several methods are available for the solution of such problems. One of the most common is the separation of variables (SOV) method. In the standard implementation of the SOV method, convergence can be slow and accuracy lacking. Another method of generating a solution to this problem makes use of time-partitioning which can produce accurate results. However, numerical integration may be required in these cases, which, in some ways, negates the advantages offered by the analytical solutions. The method given herein requires no numerical integration; it also exhibits exponential series convergence and can provide excellent accuracy. The procedure involves the derivation of previously unknown simpler forms for the summations, in some cases by virtue of the use of algebraic components. Also, a mathematical identity given in this paper can be used for a variety of related problems. C1 [McMasters, Robert L.] Virginia Mil Inst, Dept Mech Engn, Lexington, VA 24450 USA. [de Monte, Filippo] Univ Aquila, Dept Ind & Informat Engn & Econ, Via G Gronchi 18, I-67100 Laquila, Italy. [Beck, James V.] Michigan State Univ, Dept Mech Engn, E Lansing, MI 48824 USA. [Amos, Donald E.] Sandia Natl Labs, Albuquerque, NM 87110 USA. RP McMasters, RL (reprint author), Virginia Mil Inst, Dept Mech Engn, Lexington, VA 24450 USA. EM mcmastersrl@vmi.edu; jvb@beckeng.com FU National Science Foundation [CBET-1250626] FX Support from the National Science Foundation is gratefully acknowledged from grant CBET-1250626 under program manager S. Acharya. The Principal Investigator (PI) for this project, as noted in Reference [3] is Prof. Kevin Cole and the co-PI: is Prof. Keith Woodbury. NR 27 TC 0 Z9 0 U1 0 U2 0 PU AMER SOC MECHANICAL ENGINEERS PI NEW YORK PA THREE PARK AVENUE, NEW YORK, NY 10016-5990 USA BN 978-0-7918-5033-6 PY 2016 AR V002T15A013 PG 14 WC Engineering, Mechanical; Mechanics SC Engineering; Mechanics GA BG8JY UT WOS:000392359400057 ER PT B AU Tencer, J Carlberg, K Hogan, R Larsen, M AF Tencer, John Carlberg, Kevin Hogan, Roy Larsen, Marvin GP ASME TI REDUCED ORDER MODELING APPLIED TO THE DISCRETE ORDINATES METHOD FOR RADIATION HEAT TRANSFER IN PARTICIPATING MEDIA SO PROCEEDINGS OF THE ASME SUMMER HEAT TRANSFER CONFERENCE, 2016, VOL 2 LA English DT Proceedings Paper CT ASME Summer Heat Transfer Conference CY JUL 10-14, 2016 CL Washington, DC SP ASME, Heat Transfer Div ID QUADRATURE SCHEMES; APPROXIMATIONS; REDUCTION AB Radiation heat transfer is an important phenomenon in many physical systems of practical interest. When participating media is important, the radiative transfer equation (RTE) must be solved for the radiative intensity as a function of location, time, direction, and wavelength. In many heat transfer applications, a quasi-steady assumption is valid. The dependence on wavelength is often treated through a weighted sum of gray gases type approach. The discrete ordinates method is the most common method for approximating the angular dependence. In the discrete ordinates method, the intensity is solved exactly for a finite number of discrete directions, and integrals over the angular space are accomplished through a quadrature rule. In this work, a projection-based model reduction approach is applied to the discrete ordinates method. A small number or ordinate directions are used to construct the reduced basis. The reduced model is then queried at the quadrature points for a high order quadrature in order to inexpensively approximate this highly accurate solution. This results in a much more accurate solution than can be achieved by the low-order quadrature alone. One-, two-, and three-dimensional test problems are presented. C1 [Tencer, John; Hogan, Roy; Larsen, Marvin] Sandia Natl Labs, POB 5800, Albuquerque, NM 87185 USA. [Carlberg, Kevin] Sandia Natl Labs, Livermore, CA USA. RP Tencer, J (reprint author), Sandia Natl Labs, POB 5800, Albuquerque, NM 87185 USA. FU Laboratory Directed Research and Development program at Sandia National Laboratories; U.S. Department of Energy's National Nuclear Security Administration [DE-AC04-94AL85000] FX Supported by the Laboratory Directed Research and Development program at Sandia National Laboratories, a multiprogram laboratory managed and operated by Sandia Corporation, a wholly owned subsidiary of Lockheed Martin Corporation, for the U.S. Department of Energy's National Nuclear Security Administration under contract DE-AC04-94AL85000. This document has been reviewed and approved for unclassified, unlimited release under 2016-3057 NR 30 TC 0 Z9 0 U1 0 U2 0 PU AMER SOC MECHANICAL ENGINEERS PI NEW YORK PA THREE PARK AVENUE, NEW YORK, NY 10016-5990 USA BN 978-0-7918-5033-6 PY 2016 AR V002T15A011 PG 9 WC Engineering, Mechanical; Mechanics SC Engineering; Mechanics GA BG8JY UT WOS:000392359400055 ER PT J AU Connor, C Bonnie, A Grider, G Jacobson, A AF Connor, Carolyn Bonnie, Amanda Grider, Gary Jacobson, Andree GP ACM TI Next Generation HPC Workforce Development The Computer System, Cluster, and Networking Summer Institute SO PROCEEDINGS OF WORKSHOP ON EDUCATION FOR HIGH-PERFORMANCE COMPUTING (EDUHPC 2016) LA English DT Proceedings Paper CT Workshop on Education for High-Performance Computing (EduHPC) CY NOV 13-18, 2016 CL Salt Lake, UT SP Assoc Comp Machinery, IEEE Comp Soc, SIGHPC DE High Performance Computing; HPC; cluster computing; supercomputing; undergraduate summer program; education; workforce development; system administration; networking; cluster administration; computer science; Trinity; curriculum; Supercomputing Challenge; Student Cluster Competition; CSCNSI; staff revitalization; Cluster Boot Camp AB Sustainable and effective computing infrastructure depends critically on the skills and expertise of domain scientists and committed and well trained advanced computing professionals. Unlike computing hardware, with a typical lifetime of a few years, the human infrastructure of technical skills and expertise in operating, maintaining, and evolving advanced computing systems and technology has a lifetime of decades [1]. Given that the effective operation and use of High Performance Computing systems requires specialized and often advanced training, that there is a recognized High Performance Computing skillset gap, and that there is intense global competition for computing talent, there is a long-standing and critical need for innovative approaches to help bridge the gap and create a well-prepared, next generation High Performance Computing workforce. This paper places this need in the context of the HPC work and workforce need at Los Alamos National Laboratory (LANL) and presents one such innovative program conceived to address the need, bridge the gap, and grow an High Performance Computing workforce pipeline at LANL. The Computer System, Cluster, and Networking Summer Institute (CSCNSI) completed its tenth year in 2016. The paper presents an overview of the CSCNSI and a summary of impact and success, as well as key factors that have enabled that success. C1 [Connor, Carolyn; Bonnie, Amanda; Grider, Gary] Los Alamos Natl Lab, High Performance Comp Div, Los Alamos, NM USA. [Jacobson, Andree] New Mexico Consortium, Los Alamos, NM 87544 USA. RP Jacobson, A (reprint author), New Mexico Consortium, Los Alamos, NM 87544 USA. EM andree@newmexicoconsortium.org FU U.S. DOE [DEAC52-06NA25396]; National Science Foundation [CNS-1042537, CNS-1042543] FX This work was performed at LANL, supported by the U.S. DOE contract DEAC52-06NA25396, and at the New Mexico Consortium, with additional support from the National Science Foundation under awards CNS-1042537 and CNS-1042543 (PRObE). NR 18 TC 0 Z9 0 U1 1 U2 1 PU ASSOC COMPUTING MACHINERY PI NEW YORK PA 1515 BROADWAY, NEW YORK, NY 10036-9998 USA BN 978-1-5090-3827-5 PY 2016 BP 32 EP 39 DI 10.1109/EduHPC.2016.10 PG 8 WC Education, Scientific Disciplines SC Education & Educational Research GA BG8IH UT WOS:000392313700006 ER PT S AU Dulat, S Hou, TJ Gao, J Guzzi, M Huston, J Nadolsky, P Pumplin, J Schmidt, C Stump, D Yuan, CP AF Dulat, S. Hou, T. -J. Gao, J. Guzzi, M. Huston, J. Nadolsky, P. Pumplin, J. Schmidt, C. Stump, D. Yuan, C. -P. BE Bruno, GE Chiodini, G Colangelo, P Coriano, C Creanza, DM DeFazio, F Nappi, E Spagnolo, S TI Impact of the HERA I plus II combined data on the CT14 QCD global analysis SO QCD@WORK 2016 - INTERNATIONAL WORKSHOP ON QUANTUM CHROMODYNAMICS - THEORY AND EXPERIMENT SE EPJ Web of Conferences LA English DT Proceedings Paper CT International Workshop on Quantum Chromodynamics - Theory and Experiment (QCD at Work) CY JUN 27-30, 2016 CL Martina Franca, ITALY SP Ist Nazl Fis Nucleare, Salento Univ, Math & Phys Dept Ennio Giorgi, Commissione Scientifica Nazl Teorica INFN, INFN Sezione Bari, Theory Grp ID HEAVY QUARKS; LEPTOPRODUCTION AB A brief description of the impact of the recent HERA run I+II combination of inclusive deep inelastic scattering cross-section data on the CT14 global analysis of PDFs is given. The new CT14(HERA2) PDFs at NLO and NNLO are illustrated. They employ the same parametrization used in the CT14 analysis, but with an additional shape parameter for describing the strange quark PDF. The HERA I+II data are reasonably well described by both CT14 and CT14HERA2 PDFs, and differences are smaller than the PDF uncertainties of the standard CT14 analysis. Both sets are acceptable when the error estimates are calculated in the CTEQ-TEA (CT) methodology and the standard CT14 PDFs are recommended to be continuously used for the analysis of LHC measurements. C1 [Dulat, S.] Xinjiang Univ, Sch Phys Sci & Technol, Urumqi 830046, Xinjiang, Peoples R China. [Hou, T. -J.; Nadolsky, P.] Southern Methodist Univ, Dept Phys, Dallas, TX 75275 USA. [Dulat, S.; Gao, J.] Argonne Natl Lab, Div High Energy Phys, Argonne, IL 60439 USA. [Guzzi, M.] Univ Manchester, Oxford Rd, Manchester M13 9PL, Lancs, England. [Huston, J.; Pumplin, J.; Schmidt, C.; Stump, D.; Yuan, C. -P.] Michigan State Univ, Dept Phys & Astron, E Lansing, MI 48824 USA. RP Guzzi, M (reprint author), Univ Manchester, Oxford Rd, Manchester M13 9PL, Lancs, England. EM marco.guzzi@manchester.ac.uk FU STFC [ST/L000431/1]; Lancaster-Manchester-Sheffield Consortium formFundamental Physics under STFC [ST/L000520/1]; U.S. DOE Early Career Research Award [DE-SC0003870]; U.S. Department of Energy [DE-FG02-96ER40969, DE-SC0013681, DE-AC02-06CH11357]; U.S. National Science Foundation [PHY-0855561, PHY-1417326]; Lightner-Sams Foundation; National Natural Science Foundation of China [11165014, 11465018] FX M.G. would like to thank the organizers of the QCD@work2016 conference for the kind invitation. This work was supported by the STFC (ST/L000431/1) and by the Lancaster-Manchester-Sheffield Consortium formFundamental Physics under STFC grant ST/L000520/1; by the U.S. DOE Early Career Research Award DE-SC0003870; by the U.S. Department of Energy under Grant No. DE-FG02-96ER40969, DE-SC0013681, and DE-AC02-06CH11357; by the U.S. National Science Foundation under Grant No. PHY-0855561 and PHY-1417326; by Lightner-Sams Foundation; and by the National Natural Science Foundation of China under Grant No. 11165014 and 11465018. NR 22 TC 0 Z9 0 U1 0 U2 0 PU E D P SCIENCES PI CEDEX A PA 17 AVE DU HOGGAR PARC D ACTIVITES COUTABOEUF BP 112, F-91944 CEDEX A, FRANCE SN 2100-014X BN 978-2-7598-9010-1 J9 EPJ WEB CONF PY 2016 VL 129 AR UNSP 00012 DI 10.1051/epjconf/201612900012 PG 6 WC Physics, Particles & Fields; Physics, Mathematical SC Physics GA BG8HD UT WOS:000392270900012 ER PT J AU Larson, J Menickelly, M Wild, SM AF Larson, Jeffrey Menickelly, Matt Wild, Stefan M. TI MANIFOLD SAMPLING FOR l(1) NONCONVEX OPTIMIZATION SO SIAM JOURNAL ON OPTIMIZATION LA English DT Article DE composite nonsmooth optimization; gradient sampling; derivative-free optimization ID DERIVATIVE-FREE OPTIMIZATION; TRUST-REGION ALGORITHMS; NONSMOOTH OPTIMIZATION; CONVERGENCE AB We present a new algorithm, called manifold sampling, for the unconstrained minimization of a nonsmooth composite function h o F when h has known structure. In particular, by classifying points in the domain of the nonsmooth function h into manifolds, we adapt search directions within a trust-region framework based on knowledge of manifolds intersecting the current trust region. We motivate this idea through a study of l(1) functions, where it is trivial to classify objective function manifolds using zeroth-order information from the constituent functions F-i, and give an explicit statement of a manifold sampling algorithm in this case. We prove that all cluster points of iterates generated by this algorithm are stationary in the Clarke sense. We prove a similar result for a stochastic variant of the algorithm. Additionally, our algorithm can accept iterates that are points where h is nondifferentiable and requires only an approximation of gradients of F at the trust-region center. Numerical results for several variants of the algorithm show that using manifold information from additional points near the current iterate can improve practical performance. The best variants are also shown to be competitive, particularly in terms of robustness, with other nonsmooth, derivative-free solvers. C1 [Larson, Jeffrey; Menickelly, Matt; Wild, Stefan M.] Argonne Natl Lab, Math & Comp Sci Div, Lemont, IL 60439 USA. [Menickelly, Matt] Lehigh Univ, Dept Ind & Syst Engn, HS Mohler Lab, Bethlehem, PA 18015 USA. RP Larson, J (reprint author), Argonne Natl Lab, Math & Comp Sci Div, Lemont, IL 60439 USA. EM jmlarson@anl.gov; mjm412@lehigh.edu; wild@anl.gov FU U.S. Department of Energy, Office of Science [DE-AC02-06CH11357] FX This material is based upon work supported by the U.S. Department of Energy, Office of Science, under contract DE-AC02-06CH11357. NR 22 TC 0 Z9 0 U1 0 U2 0 PU SIAM PUBLICATIONS PI PHILADELPHIA PA 3600 UNIV CITY SCIENCE CENTER, PHILADELPHIA, PA 19104-2688 USA SN 1052-6234 EI 1095-7189 J9 SIAM J OPTIMIZ JI SIAM J. Optim. PY 2016 VL 26 IS 4 BP 2540 EP 2563 DI 10.1137/15M1042097 PG 24 WC Mathematics, Applied SC Mathematics GA EH6AD UT WOS:000391853600022 ER PT S AU Dulat, S Hou, TJ Gao, J Guzzi, M Huston, J Nadolsky, P Pumplin, J Schmidt, C Stump, D Yuan, CP AF Dulat, S. Hou, T. -J. Gao, J. Guzzi, M. Huston, J. Nadolsky, P. Pumplin, J. Schmidt, C. Stump, D. Yuan, C. -P. BE Barillari, T Bethke, S Kluth, S Menke, S TI The structure of the proton: The CT14 QCD global analysis SO XLV INTERNATIONAL SYMPOSIUM ON MULTIPARTICLE DYNAMICS (ISMD 2015) SE EPJ Web of Conferences LA English DT Proceedings Paper CT 45th International Symposium on Multiparticle Dynamics (ISMD) CY OCT 04-09, 2015 CL Munich, GERMANY SP Max Planck Ist Physik ID LHC; DISTRIBUTIONS; QUARKS; BOSON AB A brief description of the CT14 global analysis of quantum chromodynamics at next-to-next-to leading order (NNLO) from the CTEQ-TEA group is given. Predictions for standard candle processes at the LHC are illustrated together with the main features of the CT14 parton distribution functions. C1 [Dulat, S.] Xinjiang Univ, Sch Phys Sci & Technol, Urumqi 830046, Xining, Peoples R China. [Hou, T. -J.; Nadolsky, P.] Southern Methodist Univ, Dept Phys, Dallas, TX 75275 USA. [Gao, J.] Argonne Natl Lab, High Energy Phys Div, 9700 S Cass Ave, Argonne, IL 60439 USA. [Guzzi, M.] Univ Manchester, Oxford Rd, Manchester M13 9PL, Lancs, England. [Dulat, S.; Huston, J.; Pumplin, J.; Schmidt, C.; Stump, D.; Yuan, C. -P.] Michigan State Univ, Dept Phys & Astron, E Lansing, MI 48824 USA. RP Guzzi, M (reprint author), Univ Manchester, Oxford Rd, Manchester M13 9PL, Lancs, England. EM marco.guzzi@manchester.ac.uk OI Guzzi, Marco/0000-0003-3430-2691 FU STFC [ST/L000431/1]; Lancaster-Manchester-Sheffield Consortium for Fundamental Physics under STFC [ST/L000520/1]; U.S. DOE Early Career Research [DE-SC0003870]; U.S. Department of Energy [DE-FG02-96ER40969, DE-SC0013681, DE-AC02-06CH11357]; U.S. National Science Foundation [PHY-0855561, PHY-1417326]; Lightner-Sams Foundation; National Natural Science Foundation of China [11165014, 11465018] FX M.G. would like to thank the organizers of the ISMD2015 conference for the kind invitation. This work was supported by the STFC (ST/L000431/1) and by the Lancaster-Manchester-Sheffield Consortium for Fundamental Physics under STFC grant ST/L000520/1; by the U.S. DOE Early Career Research Award DE-SC0003870; by the U.S. Department of Energy under Grant No. DE-FG02-96ER40969, DE-SC0013681, and DE-AC02-06CH11357; by the U.S. National Science Foundation under Grant No. PHY-0855561 and PHY-1417326; by Lightner-Sams Foundation; and by the National Natural Science Foundation of China under Grant No. 11165014 and 11465018. NR 31 TC 0 Z9 0 U1 0 U2 0 PU E D P SCIENCES PI CEDEX A PA 17 AVE DU HOGGAR PARC D ACTIVITES COUTABOEUF BP 112, F-91944 CEDEX A, FRANCE SN 2100-014X J9 EPJ WEB CONF PY 2016 VL 120 AR UNSP 07003 DI 10.1051/epjconf/201612007003 PG 7 WC Physics, Particles & Fields; Physics, Mathematical SC Physics GA BG8DW UT WOS:000392251300045 ER PT S AU Guryn, W AF Guryn, Wlodek BE Barillari, T Bethke, S Kluth, S Menke, S TI Central Exclusive Production in Proton-Proton Collisions with the STAR Experiment at RHIC SO XLV INTERNATIONAL SYMPOSIUM ON MULTIPARTICLE DYNAMICS (ISMD 2015) SE EPJ Web of Conferences LA English DT Proceedings Paper CT 45th International Symposium on Multiparticle Dynamics (ISMD) CY OCT 04-09, 2015 CL Munich, GERMANY SP Max Planck Ist Physik ID REACTION POMERON-POMERON; 450 GEV/C; GLUEBALLS AB We shall describe the physics program with tagged forward protons, focusing on Central Exclusive Production in polarized proton-proton collisions at the Relativistic Heavy Ion Collider (RHIC), with the STAR detector at root s = 200 GeV. Preliminary results in CEP of two oppositely charged pions and kaons produced in the processes pp -> pp pi(+)pi(-) and pp -> ppK(+)K(-) shall be presented. Those Double Pomeron Exchange (DPE) processes, allow the final states to be dominated by gluonic exchanges. Silicon strip detectors placed in Roman Pots were used for measuring forward protons. The preliminary results are based on the measurement of the recoil system of charged particles in the STAR experiment's Time Projection Chamber (TPC). Ionization energy loss, dE/dx, of charged particles was used for particle identification (PID). C1 [Guryn, Wlodek] Brookhaven Natl Lab, Upton, NY 11973 USA. RP Guryn, W (reprint author), Brookhaven Natl Lab, Upton, NY 11973 USA. EM guryn@bnl.gov FU Office of NP within the U.S. DOE Office of Science; Polish National Science Centre [UMO-2011/01/M/ST2/04126] FX This work was supported in part by the Office of NP within the U.S. DOE Office of Science and by the Polish National Science Centre under contract UMO-2011/01/M/ST2/04126. NR 18 TC 0 Z9 0 U1 1 U2 1 PU E D P SCIENCES PI CEDEX A PA 17 AVE DU HOGGAR PARC D ACTIVITES COUTABOEUF BP 112, F-91944 CEDEX A, FRANCE SN 2100-014X J9 EPJ WEB CONF PY 2016 VL 120 AR 02008 DI 10.1051/epjconf/201612002008 PG 5 WC Physics, Particles & Fields; Physics, Mathematical SC Physics GA BG8DW UT WOS:000392251300015 ER PT S AU Jaiswal, A Koch, V AF Jaiswal, Amaresh Koch, Volker BE Barillari, T Bethke, S Kluth, S Menke, S TI A viscous blast-wave model for high energy heavy-ion collisions SO XLV INTERNATIONAL SYMPOSIUM ON MULTIPARTICLE DYNAMICS (ISMD 2015) SE EPJ Web of Conferences LA English DT Proceedings Paper CT 45th International Symposium on Multiparticle Dynamics (ISMD) CY OCT 04-09, 2015 CL Munich, GERMANY SP Max Planck Ist Physik ID ELLIPTIC FLOW; SPECTRA; RADII AB Employing a viscosity-based survival scale for initial geometrical perturbations formed in relativistic heavy-ion collisions, we model the radial flow velocity at freeze-out. Subsequently, we use the Cooper-Frye freeze-out prescription, with viscous corrections to the distribution function, to extract the transverse momentum dependence of particle yields and flow harmonics. We fit the model parameters for central collisions, by fitting the spectra of identified particles at the Large Hadron Collider (LHC), and estimate them for other centralities using simple hydrodynamic relations. We use the results of Monte Carlo Glauber model for initial eccentricities. We demonstrate that this improved viscous blast-wave model leads to good agreement with transverse momentum distribution of elliptic and triangular flow for all centralities and estimate the shear viscosity to entropy density ratio eta/s similar or equal to 0.24 at the LHC. C1 [Jaiswal, Amaresh] GSI Helmholtzzentrum Schwerionenforsch, Planckstr 1, D-64291 Darmstadt, Germany. [Koch, Volker] Lawrence Berkeley Natl Lab, Div Nucl Sci, MS 70R0319, Berkeley, CA 94720 USA. RP Jaiswal, A (reprint author), GSI Helmholtzzentrum Schwerionenforsch, Planckstr 1, D-64291 Darmstadt, Germany. EM jaiswal.amaresh@gmail.com OI Jaiswal, Amaresh/0000-0001-5692-9167 FU Frankfurt Institute for Advanced Studies (FIAS), Germany; ExtreMe Matter Institute (EMMI); Office of Nuclear Physics in the US Department of Energy's Office of Science [DE-AC02-05CH11231] FX A.J. was supported by the Frankfurt Institute for Advanced Studies (FIAS), Germany. The work of V.K. was supported by the ExtreMe Matter Institute (EMMI) and by the Office of Nuclear Physics in the US Department of Energy's Office of Science under Contract No. DE-AC02-05CH11231. NR 24 TC 0 Z9 0 U1 0 U2 0 PU E D P SCIENCES PI CEDEX A PA 17 AVE DU HOGGAR PARC D ACTIVITES COUTABOEUF BP 112, F-91944 CEDEX A, FRANCE SN 2100-014X J9 EPJ WEB CONF PY 2016 VL 120 AR 06001 DI 10.1051/epjconf/201612006001 PG 6 WC Physics, Particles & Fields; Physics, Mathematical SC Physics GA BG8DW UT WOS:000392251300037 ER PT S AU Petreczky, P Weber, J AF Petreczky, Peter Weber, Johannes BE Barillari, T Bethke, S Kluth, S Menke, S TI Deconfinement and color screening in 2+1 flavor QCD SO XLV INTERNATIONAL SYMPOSIUM ON MULTIPARTICLE DYNAMICS (ISMD 2015) SE EPJ Web of Conferences LA English DT Proceedings Paper CT 45th International Symposium on Multiparticle Dynamics (ISMD) CY OCT 04-09, 2015 CL Munich, GERMANY SP Max Planck Ist Physik AB We discuss the deconfinement an color screening in 2+1 flavor QCD in terms of the free energy of static quarks. C1 [Petreczky, Peter] Brookhaven Natl Lab, Dept Phys, Upton, NY 11973 USA. [Weber, Johannes] Tech Univ Munich, Phys Dept T30f, James Franck Str 1, D-85748 Garching, Germany. RP Petreczky, P (reprint author), Brookhaven Natl Lab, Dept Phys, Upton, NY 11973 USA. EM petreczk@quark.phy.bnl.gov; johannes.weber@tum.de FU U.S. Department of Energy [DE-SC0012704]; DFG Cluster of Excellence "Origin and Structure of the Universe" FX This work was supported by U.S. Department of Energy under Contract No. DE-SC0012704. We acknowledge the support by the DFG Cluster of Excellence "Origin and Structure of the Universe". The calculations have been carried out on the computing facilities of the Computational Center for Particle and Astrophysics (C2PAP). NR 12 TC 0 Z9 0 U1 0 U2 0 PU E D P SCIENCES PI CEDEX A PA 17 AVE DU HOGGAR PARC D ACTIVITES COUTABOEUF BP 112, F-91944 CEDEX A, FRANCE SN 2100-014X J9 EPJ WEB CONF PY 2016 VL 120 AR 07001 DI 10.1051/epjconf/201612007001 PG 7 WC Physics, Particles & Fields; Physics, Mathematical SC Physics GA BG8DW UT WOS:000392251300043 ER PT J AU Morris, D Imran, S Chen, J Kramer, DM AF Morris, Daniel Imran, Saif Chen, Jin Kramer, David M. GP IEEE TI Growing Depth Image Superpixels for Foliage Modeling SO 2016 13TH CONFERENCE ON COMPUTER AND ROBOT VISION (CRV) LA English DT Proceedings Paper CT 13th Conference on Computer and Robot Vision (CRV) CY JUN 01-03, 2016 CL Victoria, CANADA SP Canadian Image Proc & Pattern Recognit Soc, Assoc Canadienne Traitement Images Reconnaissance Formes DE Superpixels; depth image; segmentation; energy minimization; RGB-D; time-of-flight camera AB This paper presents a method for segmenting depth images into superpixels without requiring color images. Typically superpixel methods cluster pixels based on proximity in a multidimensional color space. However, building superpixels from time-of-flight depth images poses a number of new challenges including: pixels do not have color channels for similarity comparisons, the resolution of depth cameras is low compared to color, and there is significant depth noise. To address these we propose a superpixel method that approximates a depth image with set of planar facets. Facets are grown from seed points to cover the scene. Facet boundaries tend to coincide with high curvature regions and depth discontinuities, typically giving an over-segmentation of the scene. This work is motivated by automated foliage modeling, and the data we consider are of dense 3D foliage. Superpixel results are shown on foliage and are quantified using labeled data. C1 [Morris, Daniel; Imran, Saif] Michigan State Univ, Dept Elect & Comp Engn, E Lansing, MI 48824 USA. [Chen, Jin; Kramer, David M.] Michigan State Univ, MSU DOE Plant Res Lab, E Lansing, MI 48824 USA. RP Morris, D (reprint author), Michigan State Univ, Dept Elect & Comp Engn, E Lansing, MI 48824 USA. FU MSU start-up; U.S. Department of Energy; Office of Science; Basic Energy Sciences [DE-FG02-91ER20021]; National Science Foundation [1458556]; MSU Center for Advanced Algal and Plant Phenotyping FX This research was supported by an MSU start-up grant, the U.S. Department of Energy, Office of Science, Basic Energy Sciences [award number DE-FG02-91ER20021], the National Science Foundation [award number 1458556] and the MSU Center for Advanced Algal and Plant Phenotyping. NR 0 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA BN 978-1-5090-2491-9 PY 2016 BP 406 EP 409 DI 10.1109/CRV.2016.73 PG 4 WC Robotics SC Robotics GA BG7ZQ UT WOS:000392125600055 ER PT J AU Kirkham, H Riepnieks, A AF Kirkham, Harold Riepnieks, Artis GP IEEE TI Students' Simple Method for Determining the Parameters of an AC Signal SO 2016 57TH INTERNATIONAL SCIENTIFIC CONFERENCE ON POWER AND ELECTRICAL ENGINEERING OF RIGA TECHNICAL UNIVERSITY (RTUCON) LA English DT Proceedings Paper CT 57th International Scientific Conference on Power and Electrical Engineering of Riga Technical University (RTUCON) CY OCT 13-14, 2016 CL Riga, LATVIA DE fitting; measurement; alternating signal; phasor measurement; PMU; phasor-like AB The paper sets aside details of instrumentality to reveal the nature of the problem addressed by measurement. Its title is based on the title of a 1894 paper by Prof. W.E. Ayrton and his student H.C. Haycraft. They described a new and simplified method of measurement to improve the teaching of their underlying topic, and that is the goal of this paper. In the work described here, the measurand is taken to be an equation representing an alternating signal, and the declared values of the measurement are estimates of the parameters of the equation. It is shown that the parameters of the ac signal can be found by curve-fting. Lessons can be drawn about the role of noise in measurement and about the very meaning of the result. C1 [Kirkham, Harold] Pacific Northwest Natl Lab, Richland, WA 99354 USA. [Riepnieks, Artis] Riga Tech Univ, Riga, Latvia. RP Kirkham, H (reprint author), Pacific Northwest Natl Lab, Richland, WA 99354 USA. NR 17 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA BN 978-1-5090-3731-5 PY 2016 PG 7 WC Engineering, Electrical & Electronic SC Engineering GA BG7LP UT WOS:000391423000047 ER PT J AU Riepnieks, A Kirkham, H AF Riepnieks, Artis Kirkham, Harold GP IEEE TI Rate of Change of Frequency Measurement SO 2016 57TH INTERNATIONAL SCIENTIFIC CONFERENCE ON POWER AND ELECTRICAL ENGINEERING OF RIGA TECHNICAL UNIVERSITY (RTUCON) LA English DT Proceedings Paper CT 57th International Scientific Conference on Power and Electrical Engineering of Riga Technical University (RTUCON) CY OCT 13-14, 2016 CL Riga, LATVIA DE rate of change of frequency; parameter transitions; phasor measurements; goodness of fit; PMU; ROCOF AB The measurement of amplitude, frequency, rate-of-change of frequency, and phase of an alternating waveform is the purpose of the Phasor Measurement Unit, PMU. Performance requirements, specified by standard, are tested with constant values of each of these parameters, using a synthetic waveform with values that are precisely known. However, device performance requirements are not defined during transitions from one set of values to another. We investigated measuring across a transition. Our investigation revealed something interesting about ROCOF, the rate of change of frequency. We conclude that until power system noise is better understood, the attempt to measure real-world ROCOF during a short PMU measurement window should be abandoned, but measurements during calibration transitions might still be possible and need not be excluded from the standard. C1 [Riepnieks, Artis] Riga Tech Univ, Riga, Latvia. [Kirkham, Harold] Pacific Northwest Natl Lab, Richland, WA USA. RP Riepnieks, A (reprint author), Riga Tech Univ, Riga, Latvia. NR 9 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA BN 978-1-5090-3731-5 PY 2016 PG 5 WC Engineering, Electrical & Electronic SC Engineering GA BG7LP UT WOS:000391423000033 ER PT J AU Anderson, N Mitchell, R Chen, IR AF Anderson, Nicholas Mitchell, Robert Chen, Ing-Ray BE Badra, M Pau, G Vassiliou, V TI Parameterizing Moving Target Defenses SO 2016 8TH IFIP INTERNATIONAL CONFERENCE ON NEW TECHNOLOGIES, MOBILITY AND SECURITY (NTMS) LA English DT Proceedings Paper CT 8th IFIP International Conference on New Technologies, Mobility and Security (NTMS) CY NOV 21-23, 2016 CL Larnaca, CYPRUS SP IFIP TC6.5 working grp, IEEE, IEEE Commun Soc, Univ Cyprus, TELECOM ParisTech, CNRS, IEEE COMSOC DE moving target defense; security; modeling AB Moving Target Defense (MTD) is the concept of controlling change across multiple system dimensions, aiming to disrupt the adversary in the attack sequence for intrusion prevention. To date, there is a lack of progress in MTD modeling and evaluation to test the effectiveness of MTD techniques. In this paper we develop two analytical models based on closed-form solutions and Stochastic Petri Nets to analyze the effect of a dynamic platform technique based MTD on attack success rate. The numerical results from these two models agree with one another, providing cross-validation. Furthermore, the output of these models indicates the existence of parameter settings that decrease the security of the protected resource and settings that make MTD most effective in terms of minimizing the attack success probability. C1 [Anderson, Nicholas; Mitchell, Robert] Sandia Natl Labs, Albuquerque, NM 87185 USA. [Chen, Ing-Ray] Virginia Tech, Dept Comp Sci, Falls Church, VA 22043 USA. RP Anderson, N (reprint author), Sandia Natl Labs, Albuquerque, NM 87185 USA. EM nbander@sandia.gov; rrmitch@sandia.gov; irchen@vt.edu NR 11 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA BN 978-1-5090-2914-3 PY 2016 PG 6 WC Computer Science, Interdisciplinary Applications; Computer Science, Theory & Methods; Engineering, Electrical & Electronic SC Computer Science; Engineering GA BG7PR UT WOS:000391578700044 ER PT J AU Mitchell, R Sery, P AF Mitchell, Robert Sery, Paul BE Badra, M Pau, G Vassiliou, V TI Refining the Foundations for Cyber Zone Defense SO 2016 8TH IFIP INTERNATIONAL CONFERENCE ON NEW TECHNOLOGIES, MOBILITY AND SECURITY (NTMS) LA English DT Proceedings Paper CT 8th IFIP International Conference on New Technologies, Mobility and Security (NTMS) CY NOV 21-23, 2016 CL Larnaca, CYPRUS SP IFIP TC6.5 working grp, IEEE, IEEE Commun Soc, Univ Cyprus, TELECOM ParisTech, CNRS, IEEE COMSOC DE security; modeling; simulation AB Since our last paper, cyber attacks have shown no evidence of declining in frequency or sophistication. We claim that applying isolation zones is an effective way to defend cyber systems; our team proposes a simulation and mathematical model that provide numerical data that supports this claim. This paper extends our earlier cyber zone defense (CZD) framework in two critical ways. First, we relax our assumption that zones completely isolate nodes and consider interzone boundaries to be porous. Second, we investigate methods to estimate one of the legacy parameters inherited from our earlier work and the new porosity parameter. The extended simulation and model more closely approximate real world cyber systems and have lower residuals than our previous investigation. C1 [Mitchell, Robert; Sery, Paul] Sandia Natl Labs, Albuquerque, NM 87185 USA. RP Mitchell, R (reprint author), Sandia Natl Labs, Albuquerque, NM 87185 USA. EM rrmitch@sandia.gov; pgsery@sandia.gov NR 12 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA BN 978-1-5090-2914-3 PY 2016 PG 6 WC Computer Science, Interdisciplinary Applications; Computer Science, Theory & Methods; Engineering, Electrical & Electronic SC Computer Science; Engineering GA BG7PR UT WOS:000391578700048 ER PT S AU Bayramian, A Bopp, R Borden, M Deri, B DesJardin, R Di Nicola, JM Drouin, M Erlandson, A Fulkerson, S Jarboe, J Johnson, G Zhang, H Heidl, B Horner, J Kasl, K Kim, D Koh, E Lusk, J Marshall, C Mason, D Mazanec, T Naylon, J Nissen, J Primdahl, K Rus, B Scanlan, M Schaffers, K Simon, T Spinka, T Stanley, J Stolz, C Telford, S Haefner, C AF Bayramian, A. Bopp, R. Borden, M. Deri, B. DesJardin, R. Di Nicola, J. M. Drouin, M. Erlandson, A. Fulkerson, S. Jarboe, J. Johnson, G. Zhang, H. Heidl, B. Horner, J. Kasl, K. Kim, D. Koh, E. Lusk, J. Marshall, C. Mason, D. Mazanec, T. Naylon, J. Nissen, J. Primdahl, K. Rus, B. Scanlan, M. Schaffers, K. Simon, T. Spinka, T. Stanley, J. Stolz, C. Telford, S. Haefner, C. GP IEEE TI High Energy, High Average Power, DPSSL System For Next Generation Petawatt Laser Systems SO 2016 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO) SE Conference on Lasers and Electro-Optics LA English DT Proceedings Paper CT Conference on Lasers and Electro-Optics (CLEO) CY JUN 05-10, 2016 CL San Jose, CA ID INERTIAL FUSION ENERGY AB Phase 1 performance ramping of the HAPLS pump laser, a high-energy DPSSL based on Nd:glass, successfully produced 70J at 1053nm from a single aperture and 39J at 527nm using LBO frequency converter running at 3.3Hz repetition rate. C1 [Bayramian, A.; Bopp, R.; Borden, M.; Deri, B.; DesJardin, R.; Di Nicola, J. M.; Erlandson, A.; Fulkerson, S.; Jarboe, J.; Johnson, G.; Zhang, H.; Heidl, B.; Horner, J.; Kim, D.; Koh, E.; Lusk, J.; Marshall, C.; Mason, D.; Nissen, J.; Primdahl, K.; Scanlan, M.; Schaffers, K.; Simon, T.; Spinka, T.; Stanley, J.; Stolz, C.; Telford, S.; Haefner, C.] Lawrence Livermore Natl Lab, 7000 East Ave,L-492, Livermore, CA 94550 USA. [Drouin, M.; Kasl, K.; Mazanec, T.; Naylon, J.; Rus, B.] Inst Phys ASCR, ELI Beamlines, Vvi, Prague 18221, Czech Republic. RP Bayramian, A (reprint author), Lawrence Livermore Natl Lab, 7000 East Ave,L-492, Livermore, CA 94550 USA. EM bayramian1@llnl.gov NR 4 TC 0 Z9 0 U1 2 U2 2 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 2160-9020 BN 978-1-9435-8011-8 J9 CONF LASER ELECTR PY 2016 PG 2 WC Engineering, Electrical & Electronic; Optics; Physics, Applied SC Engineering; Optics; Physics GA BG7HE UT WOS:000391286403320 ER PT S AU Begishev, IA Bromage, J Datte, PS Yang, ST Zuegel, JD AF Begishev, I. A. Bromage, J. Datte, P. S. Yang, S. T. Zuegel, J. D. GP IEEE TI Record Fifth-Harmonic-Generation Efficiency Producing 211-nm Pulses Using Cesium Lithium Borate SO 2016 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO) SE Conference on Lasers and Electro-Optics LA English DT Proceedings Paper CT Conference on Lasers and Electro-Optics (CLEO) CY JUN 05-10, 2016 CL San Jose, CA ID GENERATION; LASER AB The fifth harmonic of a pulsed Nd:YLF laser has been realized in a cascade of nonlinear crystals with a record efficiency of 25%. An output energy of 250 mJ was demonstrated. C1 [Begishev, I. A.; Bromage, J.; Zuegel, J. D.] Univ Rochester, Laser Energet Lab, 250 East River Rd, Rochester, NY 14623 USA. [Datte, P. S.; Yang, S. T.] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA. RP Begishev, IA (reprint author), Univ Rochester, Laser Energet Lab, 250 East River Rd, Rochester, NY 14623 USA. EM ibeg@lle.rochester.edu NR 7 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 2160-9020 BN 978-1-9435-8011-8 J9 CONF LASER ELECTR PY 2016 PG 2 WC Engineering, Electrical & Electronic; Optics; Physics, Applied SC Engineering; Optics; Physics GA BG7HE UT WOS:000391286402441 ER PT S AU Borja, LJ Gandman, A Zurich, M Prell, JS Pemmaraju, CD Prendergast, D Neumark, DM Leone, SR AF Borja, Lauren J. Gandman, Andrey Zuerich, M. Prell, James S. Pemmaraju, C. D. Prendergast, David Neumark, Daniel M. Leone, Stephen R. GP IEEE TI Ultrafast Transient Absorption at the Germanium M-4,M-5-edge to Measure Electron and Hole Dynamics SO 2016 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO) SE Conference on Lasers and Electro-Optics LA English DT Proceedings Paper CT Conference on Lasers and Electro-Optics (CLEO) CY JUN 05-10, 2016 CL San Jose, CA AB Extreme ultraviolet (XUV) transient absorption at the germanium M-4,M-5-edge simultaneously measures electron and hole dynamics over 1.5 ps with few-femtosecond resolution. In the analysis, time-dependent density functional theory (TD-DFT) will be compared with experimental data. C1 [Borja, Lauren J.; Gandman, Andrey; Zuerich, M.; Prell, James S.; Neumark, Daniel M.; Leone, Stephen R.] Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA. [Pemmaraju, C. D.; Prendergast, David] Lawrence Berkeley Natl Lab, Mol Foundry, Berkeley, CA 94720 USA. [Pemmaraju, C. D.; Neumark, Daniel M.; Leone, Stephen R.] Lawrence Berkeley Natl Lab, Div Chem Sci, Berkeley, CA 94720 USA. [Leone, Stephen R.] Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA. RP Borja, LJ (reprint author), Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA. EM lborja@berkeley.edu NR 6 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 2160-9020 BN 978-1-9435-8011-8 J9 CONF LASER ELECTR PY 2016 PG 2 WC Engineering, Electrical & Electronic; Optics; Physics, Applied SC Engineering; Optics; Physics GA BG7HE UT WOS:000391286400389 ER PT S AU Bowlan, P Bowlan, J Trugman, SA Valdes-Aguilar, R Qi, J Liu, X Furdyna, J Taylor, AJ Yarotski, DA Prasankumar, RP AF Bowlan, P. Bowlan, J. Trugman, S. A. Valdes-Aguilar, R. Qi, J. Liu, X. Furdyna, J. Taylor, A. J. Yarotski, D. A. Prasankumar, R. P. GP IEEE TI Nonlinear phonon dynamics in Bi2Se3 driven by intense THz pulses and probed with optical second harmonic generation SO 2016 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO) SE Conference on Lasers and Electro-Optics LA English DT Proceedings Paper CT Conference on Lasers and Electro-Optics (CLEO) CY JUN 05-10, 2016 CL San Jose, CA AB We demonstrate a powerful, table-top approach for directly visualizing crystal lattice dynamics using optical second harmonic generation after intense terahertz photoexcitation of a specific phonon mode in the topological insulator Bi2Se3. C1 [Bowlan, P.; Bowlan, J.; Trugman, S. A.; Qi, J.; Taylor, A. J.; Yarotski, D. A.; Prasankumar, R. P.] Los Alamos Natl Lab, Ctr Integrated Nanotechnol, Los Alamos, NM 87545 USA. [Valdes-Aguilar, R.] Ohio State Univ, Dept Phys, Columbus, OH 43210 USA. [Liu, X.; Furdyna, J.] Univ Notre Dame, Dept Phys, Notre Dame, IN 46556 USA. RP Bowlan, P (reprint author), Los Alamos Natl Lab, Ctr Integrated Nanotechnol, Los Alamos, NM 87545 USA. EM pbowlan@lanl.gov; rpprasan@lanl.gov NR 4 TC 0 Z9 0 U1 4 U2 4 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 2160-9020 BN 978-1-9435-8011-8 J9 CONF LASER ELECTR PY 2016 PG 2 WC Engineering, Electrical & Electronic; Optics; Physics, Applied SC Engineering; Optics; Physics GA BG7HE UT WOS:000391286401070 ER PT S AU Brady, N Appavoo, K Seo, M Nag, J Prasankumar, R Haglund, R Hilton, DJ AF Brady, Nathan Appavoo, Kannatassen Seo, Minah Nag, Joyeeta Prasankumar, Rohit Haglund, Richard Hilton, David J. GP IEEE TI Universal Heterogeneous Nucleation and Growth Dynamics in the Photo-Induced Phase Transition in Vanadium Dioxide SO 2016 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO) SE Conference on Lasers and Electro-Optics LA English DT Proceedings Paper CT Conference on Lasers and Electro-Optics (CLEO) CY JUN 05-10, 2016 CL San Jose, CA ID VO2; DIFFRACTION AB We use ultrafast pump-probe spectroscopy to demonstrate that the dynamics of the photo-induced structural (monoclinic to rutile) phase transformation in vanadium dioxide is independent of thin-film morphology and substrate-induced strain, and occurs in 40 +/- 0.5 ps. C1 [Brady, Nathan; Nag, Joyeeta; Hilton, David J.] Univ Alabama Birmingham, Dept Phys, Birmingham, AL 35294 USA. [Appavoo, Kannatassen; Haglund, Richard] Vanderbilt Univ, Dept Phys & Astron, Nashville, TN 37235 USA. [Seo, Minah; Prasankumar, Rohit] Los Alamos Natl Lab, Ctr Integrated Nanotechnol, Los Alamos, NM 87545 USA. RP Haglund, R (reprint author), Vanderbilt Univ, Dept Phys & Astron, Nashville, TN 37235 USA. EM richard.haglund@vanderbilt.edu NR 6 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 2160-9020 BN 978-1-9435-8011-8 J9 CONF LASER ELECTR PY 2016 PG 2 WC Engineering, Electrical & Electronic; Optics; Physics, Applied SC Engineering; Optics; Physics GA BG7HE UT WOS:000391286403155 ER PT S AU Brumfield, BE Phillips, MC AF Brumfield, B. E. Phillips, M. C. GP IEEE TI Measuring Isotope Ratios of Large Molecules Using a Swept External Cavity Quantum Cascade Laser SO 2016 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO) SE Conference on Lasers and Electro-Optics LA English DT Proceedings Paper CT Conference on Lasers and Electro-Optics (CLEO) CY JUN 05-10, 2016 CL San Jose, CA ID SPECTROSCOPY AB We measure isotope ratios for species with broadband absorption features using a swept external cavity quantum cascade laser. Isotopic precisions of similar to 1% (per mil) are demonstrated for methanol (MeOH/MeOD) and ethanol (EtOH/EtOD) vapor. C1 [Brumfield, B. E.; Phillips, M. C.] Pacific Northwest Natl Lab, Richland, WA 99352 USA. RP Brumfield, BE (reprint author), Pacific Northwest Natl Lab, Richland, WA 99352 USA. EM brain.brumfield@pnnl.gov; mark.phillips@pnnl.gov NR 4 TC 0 Z9 0 U1 1 U2 1 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 2160-9020 BN 978-1-9435-8011-8 J9 CONF LASER ELECTR PY 2016 PG 2 WC Engineering, Electrical & Electronic; Optics; Physics, Applied SC Engineering; Optics; Physics GA BG7HE UT WOS:000391286403309 ER PT S AU Buss, JH Wang, H Xu, Y Maklar, J Stoll, S Zeng, L Ulonska, S Denlinger, JD Chuang, YD Hussain, Z Jozwiak, C Lanzara, A Kaindl, RA AF Buss, J. H. Wang, H. Xu, Y. Maklar, J. Stoll, S. Zeng, L. Ulonska, S. Denlinger, J. D. Chuang, Y. D. Hussain, Z. Jozwiak, C. Lanzara, A. Kaindl, R. A. GP IEEE TI A setup for extreme-ultraviolet ultrafast angle-resolved photoemission spectroscopy at 50-kHz repetition rate SO 2016 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO) SE Conference on Lasers and Electro-Optics LA English DT Proceedings Paper CT Conference on Lasers and Electro-Optics (CLEO) CY JUN 05-10, 2016 CL San Jose, CA AB We demonstrate a novel table-top trARPES setup that combines a bright 50-kHz source of narrowband, extreme ultraviolet (XUV) pulses at 22.3 eV with UHV photoemission instrumentation, enabling sensitive access to dynamics over a large momentum space. C1 [Buss, J. H.; Wang, H.; Xu, Y.; Maklar, J.; Stoll, S.; Zeng, L.; Ulonska, S.; Lanzara, A.; Kaindl, R. A.] Lawrence Berkeley Natl Lab, Div Mat Sci, Berkeley, CA 94720 USA. [Denlinger, J. D.; Chuang, Y. D.; Hussain, Z.; Jozwiak, C.] Lawrence Berkeley Natl Lab, Adv Light Source, Berkeley, CA 94720 USA. [Lanzara, A.] Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA. RP Buss, JH (reprint author), Lawrence Berkeley Natl Lab, Div Mat Sci, Berkeley, CA 94720 USA. NR 6 TC 0 Z9 0 U1 1 U2 1 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 2160-9020 BN 978-1-9435-8011-8 J9 CONF LASER ELECTR PY 2016 PG 2 WC Engineering, Electrical & Electronic; Optics; Physics, Applied SC Engineering; Optics; Physics GA BG7HE UT WOS:000391286402161 ER PT S AU Chong, KE Wang, L Staude, I Kruk, S James, A Dominguez, J Subramania, GS Decker, M Brener, I Neshev, DN Kivshar, YS AF Chong, Katie E. Wang, Lei Staude, Isabelle Kruk, Sergey James, Anthony Dominguez, Jason Subramania, Ganapathi S. Decker, Manuel Brener, Igal Neshev, Dragomir N. Kivshar, Yuri S. GP IEEE TI Highly-Efficient Polarization-Insensitive Holograms Based on Dielectric Metasurfaces SO 2016 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO) SE Conference on Lasers and Electro-Optics LA English DT Proceedings Paper CT Conference on Lasers and Electro-Optics (CLEO) CY JUN 05-10, 2016 CL San Jose, CA AB We demonstrate polarization-insensitive holographic Huygens' metasurfaces based on silicon resonant meta-atoms capable of complex wavefront control at telecommunication wavelengths. We achieve over 82% transmittance efficiencies, with further optimization suggesting the efficiency exceeding 90%. C1 [Chong, Katie E.; Wang, Lei; Staude, Isabelle; Kruk, Sergey; Decker, Manuel; Neshev, Dragomir N.; Kivshar, Yuri S.] Australian Natl Univ, Nonlinear Phys Ctr, Res Sch Phys & Engn, Canberra, ACT 2601, Australia. [Staude, Isabelle] Friedrich Schiller Univ Jena, Abbe Ctr Photon, Inst Appl Phys, D-07743 Jena, Germany. [James, Anthony; Dominguez, Jason; Brener, Igal] Sandia Natl Labs, Ctr Integrated Nanotechnol, Albuquerque, NM 87185 USA. [Subramania, Ganapathi S.] Sandia Natl Labs, Albuquerque, NM 87185 USA. RP Wang, L (reprint author), Australian Natl Univ, Nonlinear Phys Ctr, Res Sch Phys & Engn, Canberra, ACT 2601, Australia. EM l.wang@anu.edu.au NR 5 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 2160-9020 BN 978-1-9435-8011-8 J9 CONF LASER ELECTR PY 2016 PG 2 WC Engineering, Electrical & Electronic; Optics; Physics, Applied SC Engineering; Optics; Physics GA BG7HE UT WOS:000391286400421 ER PT S AU Chong, XY Kim, KJ Li, EW Zhang, YJ Ohodnicki, PR Chang, CH Wang, AX AF Chong, Xinyuan Kim, Ki-Joong Li, Erwen Zhang, Yujing Ohodnicki, Paul R. Chang, Chih-Hung Wang, Alan X. GP IEEE TI Ultra-Sensitive CO2 Fiber-Optic Sensors Enhanced by Metal-Organic Framework Film SO 2016 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO) SE Conference on Lasers and Electro-Optics LA English DT Proceedings Paper CT Conference on Lasers and Electro-Optics (CLEO) CY JUN 05-10, 2016 CL San Jose, CA AB We demonstrated an ultra-sensitive near-infrared (NIR) absorption CO2 fiber-optic sensor at 1.57 similar to m wavelength enhanced by metal-organic framework. We achieved 20 ppm detection limit with only 5cm length with 500x NIR enhancement from the MOF film. C1 [Chong, Xinyuan; Li, Erwen; Wang, Alan X.] Oregon State Univ, Sch Elect Engn & Comp Sci, Corvallis, OR 97331 USA. [Kim, Ki-Joong; Zhang, Yujing; Chang, Chih-Hung] Oregon State Univ, Sch Chem Biol & Environm Engn, Corvallis, OR 97331 USA. [Ohodnicki, Paul R.] US DOE, Natl Energy Technol Lab, Pittsburgh, PA 15236 USA. [Ohodnicki, Paul R.] Carnegie Mellon Univ, Dept Mat Sci & Engn, Pittsburgh, PA 15213 USA. RP Wang, AX (reprint author), Oregon State Univ, Sch Elect Engn & Comp Sci, Corvallis, OR 97331 USA. EM wang@eecs.oregonstate.edu NR 5 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 2160-9020 BN 978-1-9435-8011-8 J9 CONF LASER ELECTR PY 2016 PG 2 WC Engineering, Electrical & Electronic; Optics; Physics, Applied SC Engineering; Optics; Physics GA BG7HE UT WOS:000391286401404 ER PT S AU Frank, IW Moore, J Douglas, JK Camacho, R Eichenfield, M AF Frank, Ian W. Moore, Jeremy Douglas, J. K. Camacho, Ryan Eichenfield, Matt GP IEEE TI Entangled Photon Generation in Lithium Niobate Microdisk Resonators Through Spontaneous Parametric Down Conversion SO 2016 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO) SE Conference on Lasers and Electro-Optics LA English DT Proceedings Paper CT Conference on Lasers and Electro-Optics (CLEO) CY JUN 05-10, 2016 CL San Jose, CA AB Dispersion engineering enables phase matching for nonlinear down conversion from 775nm to the telecom c-band in lithium niobite microdisk resonators without periodic poling. High rates of spontaneous creation of entangled photon pairs is observed. C1 [Frank, Ian W.; Moore, Jeremy; Douglas, J. K.; Camacho, Ryan; Eichenfield, Matt] Sandia Natl Labs, POB 5800, Albuquerque, NM 87123 USA. RP Frank, IW (reprint author), Sandia Natl Labs, POB 5800, Albuquerque, NM 87123 USA. EM iwfrank@sandia.gov NR 6 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 2160-9020 BN 978-1-9435-8011-8 J9 CONF LASER ELECTR PY 2016 PG 2 WC Engineering, Electrical & Electronic; Optics; Physics, Applied SC Engineering; Optics; Physics GA BG7HE UT WOS:000391286402327 ER PT S AU Gatdula, R Abbaslou, S Lu, M Stein, A Jiang, W AF Gatdula, Robert Abbaslou, Siamak Lu, Ming Stein, Aaron Jiang, Wei GP IEEE TI Bending Performance of a Dense Waveguide Superlattice SO 2016 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO) SE Conference on Lasers and Electro-Optics LA English DT Proceedings Paper CT Conference on Lasers and Electro-Optics (CLEO) CY JUN 05-10, 2016 CL San Jose, CA ID PHASED-ARRAY; SILICON AB Waveguide superlattices are recently introduced for dense space-division multiplexing and high-density waveguide integration. Here we show that in presence of bending, properly designed waveguide superlattices retain low crosstalk at 1 mu m pitch and 20 mu m radius. C1 [Gatdula, Robert; Abbaslou, Siamak; Jiang, Wei] Rutgers State Univ, Dept Elect & Comp Engn, Piscataway, NJ 08854 USA. [Gatdula, Robert; Abbaslou, Siamak; Jiang, Wei] Rutgers State Univ, Inst Adv Mat Devices & Nanotechnol, Piscataway, NJ 08854 USA. [Lu, Ming; Stein, Aaron] Brookhaven Natl Lab, Ctr Funct Nanomat, Upton, NY 11973 USA. RP Jiang, W (reprint author), Rutgers State Univ, Dept Elect & Comp Engn, Piscataway, NJ 08854 USA.; Jiang, W (reprint author), Rutgers State Univ, Inst Adv Mat Devices & Nanotechnol, Piscataway, NJ 08854 USA. EM wjiangnj@rci.rutgers.edu NR 9 TC 0 Z9 0 U1 2 U2 2 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 2160-9020 BN 978-1-9435-8011-8 J9 CONF LASER ELECTR PY 2016 PG 2 WC Engineering, Electrical & Electronic; Optics; Physics, Applied SC Engineering; Optics; Physics GA BG7HE UT WOS:000391286403096 ER PT S AU Gehl, M Long, C Trotter, D Starbuck, A Pomerene, A Wright, J Melgaard, S Lentine, AL DeRose, C AF Gehl, M. Long, C. Trotter, D. Starbuck, A. Pomerene, A. Wright, J. Melgaard, S. Lentine, A. L. DeRose, C. GP IEEE TI Operation of High-Speed Silicon Photonic Micro-Disk Modulators at Cryogenic Temperatures SO 2016 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO) SE Conference on Lasers and Electro-Optics LA English DT Proceedings Paper CT Conference on Lasers and Electro-Optics (CLEO) CY JUN 05-10, 2016 CL San Jose, CA AB We demonstrate the operation of silicon micro-disk modulators at temperatures as low as 3.8K. We characterize the steady-state and high-frequency performance and look at the impact of doping concentration. C1 [Gehl, M.; Long, C.; Trotter, D.; Starbuck, A.; Pomerene, A.; Wright, J.; Melgaard, S.; Lentine, A. L.; DeRose, C.] Sandia Natl Labs, Appl Photon Microsyst, Albuquerque, NM 87123 USA. RP Gehl, M (reprint author), Sandia Natl Labs, Appl Photon Microsyst, Albuquerque, NM 87123 USA. NR 4 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 2160-9020 BN 978-1-9435-8011-8 J9 CONF LASER ELECTR PY 2016 PG 2 WC Engineering, Electrical & Electronic; Optics; Physics, Applied SC Engineering; Optics; Physics GA BG7HE UT WOS:000391286402339 ER PT S AU Harutyunyan, H Martinson, ABF Khorashad, LK Govorov, AO Wiederrecht, GP AF Harutyunyan, Hayk Martinson, Alex B. F. Khorashad, Larousse K. Govorov, Alexander O. Wiederrecht, Gary P. GP IEEE TI Controlling the ultrafast hot electron response in plasmonic nanostructures. SO 2016 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO) SE Conference on Lasers and Electro-Optics LA English DT Proceedings Paper CT Conference on Lasers and Electro-Optics (CLEO) CY JUN 05-10, 2016 CL San Jose, CA AB We report on efficient generation of energetic (hot) electrons in plasmonic nanostructures. By changing the geometry and composition of the samples we demonstrate that the ultrafast dynamics of hot electron generation can be controlled at will. C1 [Harutyunyan, Hayk] Emory Univ, Dept Phys, Atlanta, GA 30322 USA. [Martinson, Alex B. F.] Argonne Natl Lab, Div Mat Sci, Argonne, IL 60439 USA. [Khorashad, Larousse K.; Govorov, Alexander O.] Ohio Univ, Dept Phys & Astron, Athens, OH 45701 USA. [Wiederrecht, Gary P.] Argonne Natl Lab, Ctr Nanoscale Mat, Argonne, IL 60439 USA. RP Harutyunyan, H (reprint author), Emory Univ, Dept Phys, Atlanta, GA 30322 USA. EM hayk.harutyunyan@emory.edu NR 4 TC 0 Z9 0 U1 1 U2 1 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 2160-9020 BN 978-1-9435-8011-8 J9 CONF LASER ELECTR PY 2016 PG 2 WC Engineering, Electrical & Electronic; Optics; Physics, Applied SC Engineering; Optics; Physics GA BG7HE UT WOS:000391286400481 ER PT S AU Isaienko, O Robel, I AF Isaienko, Oleksandr Robel, Istvan GP IEEE TI Influence of Intrinsic Phonon Modes in Nonlinear Optical Crystals on the Performance of Ultrafast Frequency Conversion Devices SO 2016 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO) SE Conference on Lasers and Electro-Optics LA English DT Proceedings Paper CT Conference on Lasers and Electro-Optics (CLEO) CY JUN 05-10, 2016 CL San Jose, CA AB We demonstrate that coherently-excited Raman-/IR-active phonons in certain nonlinear optical crystals (KTiOPO4, KTiOAsO4) significantly affect the operation of ultrashort-pulse pumped optical parametric amplifiers. The photon-phonon coupling in these materials leads to non-instantaneous, pump-dependent 2nd-order susceptibility. C1 [Isaienko, Oleksandr; Robel, Istvan] Los Alamos Natl Lab, Div Chem, C PCS Grp, POB 1663, Los Alamos, NM 87545 USA. RP Isaienko, O (reprint author), Los Alamos Natl Lab, Div Chem, C PCS Grp, POB 1663, Los Alamos, NM 87545 USA. EM isaienko@lanl.gov; robel@lanl.gov NR 3 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 2160-9020 BN 978-1-9435-8011-8 J9 CONF LASER ELECTR PY 2016 PG 2 WC Engineering, Electrical & Electronic; Optics; Physics, Applied SC Engineering; Optics; Physics GA BG7HE UT WOS:000391286403461 ER PT S AU Islam, NT Cahall, C Aragoneses, A Lim, CCW Allman, MS Verma, V Nam, SW Kim, J Gauthier, DJ AF Islam, Nurul T. Cahall, Clinton Aragoneses, Andres Lim, Charles Ci Wen Allman, Michael S. Verma, Varun Nam, Sae Woo Kim, J. Gauthier, Daniel J. GP IEEE TI Discrete-variable time-frequency quantum key distribution SO 2016 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO) SE Conference on Lasers and Electro-Optics LA English DT Proceedings Paper CT Conference on Lasers and Electro-Optics (CLEO) CY JUN 05-10, 2016 CL San Jose, CA AB We demonstrate a setup for realizing a four-dimensional time-frequency quantum key distribution protocol, where discrete temporal states are secured using discrete frequency states. The high-dimensional frequency states are detected using a tree of passively stabilized time-delay interferometers. C1 [Islam, Nurul T.; Aragoneses, Andres] Duke Univ, Dept Phys, Durham, NC 27708 USA. [Cahall, Clinton; Kim, J.] Duke Univ, Dept Elect Engn, Durham, NC 27708 USA. [Cahall, Clinton; Kim, J.] Duke Univ, Fitzpatrick Inst Photon, Durham, NC 27708 USA. [Lim, Charles Ci Wen] Oak Ridge Natl Lab, Computat Sci & Engn Div, Quantum Informat Sci Grp, Oak Ridge, TN 37831 USA. [Allman, Michael S.; Verma, Varun; Nam, Sae Woo] NIST, 325 Broadway, Boulder, CO 80305 USA. [Gauthier, Daniel J.] Ohio State Univ, Dept Phys, 191 West Woodruff Ave, Columbus, OH 43210 USA. RP Islam, NT (reprint author), Duke Univ, Dept Phys, Durham, NC 27708 USA. EM nti3@duke.edu NR 2 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 2160-9020 BN 978-1-9435-8011-8 J9 CONF LASER ELECTR PY 2016 PG 2 WC Engineering, Electrical & Electronic; Optics; Physics, Applied SC Engineering; Optics; Physics GA BG7HE UT WOS:000391286400454 ER PT S AU Jha, PK Mrejen, M Kim, J Wu, C Wang, Y Rostovtsev, YV Zhang, X AF Jha, P. K. Mrejen, M. Kim, J. Wu, C. Wang, Y. Rostovtsev, Y. V. Zhang, X. GP IEEE TI Topologically Reconfigurable Atomic Lattice Quantum Metamaterial SO 2016 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO) SE Conference on Lasers and Electro-Optics LA English DT Proceedings Paper CT Conference on Lasers and Electro-Optics (CLEO) CY JUN 05-10, 2016 CL San Jose, CA AB We propose a novel architecture for topologically reconfigurable quantum metamaterial by engineering the response of dense ultracold atoms loaded in an artificial crystal of light. Our atomic lattice quantum metamaterial opens the door for applications at single-photon level with metamaterials. C1 [Jha, P. K.; Mrejen, M.; Kim, J.; Wu, C.; Wang, Y.; Zhang, X.] Univ Calif Berkeley, NSF Nanoscale Sci & Engn Ctr NSEC, 3112 Etcheverry Hall, Berkeley, CA 94720 USA. [Rostovtsev, Y. V.; Zhang, X.] Univ North Texas, Dept Phys, Denton, TX 76203 USA. [Zhang, X.] Lawrence Berkeley Natl Lab, Div Mat Sci, 1 Cyclotron Rd, Berkeley, CA 94720 USA. RP Jha, PK (reprint author), Univ Calif Berkeley, NSF Nanoscale Sci & Engn Ctr NSEC, 3112 Etcheverry Hall, Berkeley, CA 94720 USA. EM pkjha@berkeley.edu NR 12 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 2160-9020 BN 978-1-9435-8011-8 J9 CONF LASER ELECTR PY 2016 PG 2 WC Engineering, Electrical & Electronic; Optics; Physics, Applied SC Engineering; Optics; Physics GA BG7HE UT WOS:000391286400213 ER PT S AU Jiang, Y DeVore, PTS Mahjoubfar, A Jalali, B AF Jiang, Yunshan DeVore, Peter T. S. Mahjoubfar, Ata Jalali, Bahram GP IEEE TI Analog Logarithmic Computing Primitives with Silicon Photonics SO 2016 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO) SE Conference on Lasers and Electro-Optics LA English DT Proceedings Paper CT Conference on Lasers and Electro-Optics (CLEO) CY JUN 05-10, 2016 CL San Jose, CA AB Optical computing accelerators help alleviate bandwidth and power consumption bottlenecks in electronics. We introduce an approach for the implementation of logarithmic-type analog primitives in silicon photonics. C1 [Jiang, Yunshan; DeVore, Peter T. S.; Mahjoubfar, Ata; Jalali, Bahram] Univ Calif Los Angeles, Dept Elect Engn, Los Angeles, CA 90024 USA. [DeVore, Peter T. S.] Lawrence Livermore Natl Lab, Livermore, CA USA. RP Jiang, Y (reprint author), Univ Calif Los Angeles, Dept Elect Engn, Los Angeles, CA 90024 USA. EM yushanjiang@gmail.com NR 6 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 2160-9020 BN 978-1-9435-8011-8 J9 CONF LASER ELECTR PY 2016 PG 2 WC Engineering, Electrical & Electronic; Optics; Physics, Applied SC Engineering; Optics; Physics GA BG7HE UT WOS:000391286402018 ER PT S AU Kamaraju, N Pan, W Reno, J Zhang, Q Kono, J Taylor, AJ Prasankumar, RP AF Kamaraju, N. Pan, W. Reno, J. Zhang, Q. Kono, Junichiro Taylor, A. J. Prasankumar, R. P. GP IEEE TI Dynamic evolution of a two-dimensional electron gas in a magnetic field after optical photoexcitation SO 2016 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO) SE Conference on Lasers and Electro-Optics LA English DT Proceedings Paper CT Conference on Lasers and Electro-Optics (CLEO) CY JUN 05-10, 2016 CL San Jose, CA AB We used optical-pump, terahertz-probe spectroscopy to track carrier dynamics in a two-dimensional electron gas under a magnetic field, revealing photoinduced changes to the cyclotron frequency and scattering time, along with an unexpected higher frequency mode. C1 [Kamaraju, N.; Taylor, A. J.; Prasankumar, R. P.] Los Alamos Natl Lab, Ctr Integrated Nanotechnol, Los Alamos, NM 87545 USA. [Pan, W.; Reno, J.] Sandia Natl Labs, Albuquerque, NM 87123 USA. [Zhang, Q.; Kono, Junichiro] Rice Univ, Dept Phys & Astron, Dept Elect & Comp Engn, Houston, TX 77005 USA. [Zhang, Q.; Kono, Junichiro] Rice Univ, Dept Mat Sci & NanoEngn, Houston, TX 77005 USA. RP Kamaraju, N (reprint author), Los Alamos Natl Lab, Ctr Integrated Nanotechnol, Los Alamos, NM 87545 USA. EM n.kamaraju@gmail.com; rpprasan@lanl.gov NR 9 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 2160-9020 BN 978-1-9435-8011-8 J9 CONF LASER ELECTR PY 2016 PG 2 WC Engineering, Electrical & Electronic; Optics; Physics, Applied SC Engineering; Optics; Physics GA BG7HE UT WOS:000391286401074 ER PT S AU Khromoya, I Kuzel, P Brener, I Reno, JL Chung, UC Elissaide, C Maglione, M Mounaix, P Mitrofanov, O AF Khromoya, Irina Kuzel, Petr Brener, Igal Reno, John L. Chung, U-Chan Elissaide, Catherine Maglione, Mario Mounaix, Patrick Mitrofanov, Oleg GP IEEE TI Intrinsic Properties of Anisotropic Dielectric Micro-Resonators Obtained through Near-Field Terahertz Spectroscopy SO 2016 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO) SE Conference on Lasers and Electro-Optics LA English DT Proceedings Paper CT Conference on Lasers and Electro-Optics (CLEO) CY JUN 05-10, 2016 CL San Jose, CA AB We demonstrate that mono-crystalline TiO2 micro-spheres exhibit narrow magnetic dipole resonances at terahertz frequencies with line splitting due to strong material anisotropy of TiO2. Clear resonance signatures are detected using near-field terahertz time-domain spectroscopy. C1 [Khromoya, Irina] Kings Coll London, Dept Phys, London WC2R 2LS, England. [Khromoya, Irina] ITMO Univ, St Petersburg 199034, Russia. [Khromoya, Irina] Univ Publ Navarra, Antennas Grp TERALAB, Campus Arrosadia, Pamplona 31006, Navarra, Spain. [Kuzel, Petr] Acad Sci Czech Republic, Prague, Czech Republic. [Brener, Igal; Reno, John L.; Mitrofanov, Oleg] Sandia Natl Labs, Ctr Integrated Nanotechnol, POB 5800, Albuquerque, NM 87185 USA. [Brener, Igal; Reno, John L.] Sandia Natl Labs, POB 5800, Albuquerque, NM 87185 USA. [Chung, U-Chan; Elissaide, Catherine; Maglione, Mario; Mounaix, Patrick] Univ Bordeaux, CNRS, ICMCB, Bordeaux, France. [Chung, U-Chan; Elissaide, Catherine; Maglione, Mario; Mounaix, Patrick] Univ Bordeaux, CNRS, LOMA, Bordeaux, France. [Mitrofanov, Oleg] UCL, Dept Elect & Elect Engn, London WC1E 7JE, England. RP Khromoya, I (reprint author), Kings Coll London, Dept Phys, London WC2R 2LS, England.; Khromoya, I (reprint author), ITMO Univ, St Petersburg 199034, Russia.; Khromoya, I (reprint author), Univ Publ Navarra, Antennas Grp TERALAB, Campus Arrosadia, Pamplona 31006, Navarra, Spain. EM irina.khromova@kcl.ac.uk RI Mitrofanov, Oleg/C-1938-2008; Kuzel, Petr/G-6006-2014 OI Mitrofanov, Oleg/0000-0003-3510-2675; NR 3 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 2160-9020 BN 978-1-9435-8011-8 J9 CONF LASER ELECTR PY 2016 PG 2 WC Engineering, Electrical & Electronic; Optics; Physics, Applied SC Engineering; Optics; Physics GA BG7HE UT WOS:000391286403178 ER PT S AU Lawrie, B Fan, WJ Pooser, R AF Lawrie, Ben Fan, Wenjiang Pooser, Raphael GP IEEE TI Plasmonic Sensing with Quantum Noise SO 2016 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO) SE Conference on Lasers and Electro-Optics LA English DT Proceedings Paper CT Conference on Lasers and Electro-Optics (CLEO) CY JUN 05-10, 2016 CL San Jose, CA AB We experimentally demonstrate a surface plasmon resonance sensor utilizing quantum noise in two-mode squeezed states for signal transduction. This quantum plasmonic sensor exhibits 5 dB greater sensitivity than its classical analog by exploiting plasmonic absorption. C1 [Lawrie, Ben; Fan, Wenjiang; Pooser, Raphael] Oak Ridge Natl Lab, Quantum Informat Sci Grp, Oak Ridge, TN 37830 USA. [Fan, Wenjiang] Univ Virginia, Dept Phys, Charlottesville, VA 22904 USA. RP Lawrie, B (reprint author), Oak Ridge Natl Lab, Quantum Informat Sci Grp, Oak Ridge, TN 37830 USA. EM lawriebj@ornl.gov NR 5 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 2160-9020 BN 978-1-9435-8011-8 J9 CONF LASER ELECTR PY 2016 PG 2 WC Engineering, Electrical & Electronic; Optics; Physics, Applied SC Engineering; Optics; Physics GA BG7HE UT WOS:000391286400392 ER PT S AU Levenson, R Fereidouni, F Harmany, Z Demos, S AF Levenson, Richard Fereidouni, Farzad Harmany, Zachary Demos, Stavros GP IEEE TI Slide-Free (But Not Necessarily Stain-Free) Microscopy via UV Excitation SO 2016 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO) SE Conference on Lasers and Electro-Optics LA English DT Proceedings Paper CT Conference on Lasers and Electro-Optics (CLEO) CY JUN 05-10, 2016 CL San Jose, CA ID OPTICAL COHERENCE TOMOGRAPHY AB We describe MUSE (Microscopy using Ultraviolet Surface Excitation) - a novel, non-destructive, slide-free, inexpensive and rapid microscopic technique that provides diagnosticquality images directly from fresh or fixed tissues without freezing, paraffin-embedding, or thin-sectioning. C1 [Levenson, Richard; Fereidouni, Farzad; Harmany, Zachary] Univ Calif Davis, Med Ctr, Dept Pathol & Lab Med, Sacramento, CA 95817 USA. [Demos, Stavros] Lawrence Livermore Natl Lab, Livermore, CA USA. RP Levenson, R (reprint author), Univ Calif Davis, Med Ctr, Dept Pathol & Lab Med, Sacramento, CA 95817 USA. EM levenson@ucdavis.edu NR 7 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 2160-9020 BN 978-1-9435-8011-8 J9 CONF LASER ELECTR PY 2016 PG 2 WC Engineering, Electrical & Electronic; Optics; Physics, Applied SC Engineering; Optics; Physics GA BG7HE UT WOS:000391286402293 ER PT S AU Li, ZY Zhou, Y Qi, H Shi, NN Pan, QW Lu, M Stein, A Li, CY Ramanathan, S Yu, NF AF Li, Zhaoyi Zhou, You Qi, Hao Shi, Norman Nan Pan, Qiwei Lu, Ming Stein, Aaron Li, Christopher Y. Ramanathan, Shriram Yu, Nanfang GP IEEE TI Correlated Perovskites as a New Platform for Super Broadband Tunable Photonics SO 2016 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO) SE Conference on Lasers and Electro-Optics LA English DT Proceedings Paper CT Conference on Lasers and Electro-Optics (CLEO) CY JUN 05-10, 2016 CL San Jose, CA AB We report strong and non-volatile optical modulation utilizing electron-doping induced phase change of a perovskite, SmNiO3. Broadband modulation (lambda= 400nm-17 mu m) is demonstrated using thin-film SmNiO3, and narrowband modulation is realized with metasurfaces integrated with SmNiO3. C1 [Li, Zhaoyi; Shi, Norman Nan; Yu, Nanfang] Columbia Univ, Dept Appl Phys & Appl Math, New York, NY 10027 USA. [Zhou, You; Ramanathan, Shriram] Harvard Univ, John A Paulson Sch Engn & Appl Sci, Cambridge, MA 02138 USA. [Qi, Hao; Pan, Qiwei; Li, Christopher Y.] Drexel Univ, Dept Mat Sci & Engn, Philadelphia, PA 19104 USA. [Ramanathan, Shriram] Purdue Univ, Sch Mat Engn, W Lafayette, IN 47907 USA. [Lu, Ming; Stein, Aaron] Brookhaven Natl Lab, Ctr Funct Nanomat, Upton, NY 11973 USA. RP Yu, NF (reprint author), Columbia Univ, Dept Appl Phys & Appl Math, New York, NY 10027 USA.; Ramanathan, S (reprint author), Harvard Univ, John A Paulson Sch Engn & Appl Sci, Cambridge, MA 02138 USA.; Ramanathan, S (reprint author), Purdue Univ, Sch Mat Engn, W Lafayette, IN 47907 USA. EM shriram@purdue.edu; ny2214@columbia.edu NR 3 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 2160-9020 BN 978-1-9435-8011-8 J9 CONF LASER ELECTR PY 2016 PG 2 WC Engineering, Electrical & Electronic; Optics; Physics, Applied SC Engineering; Optics; Physics GA BG7HE UT WOS:000391286400341 ER PT S AU Lien, MB Kim, JY Han, MG Ferguson, H Chang, YC Kotov, NA Norris, TB AF Lien, Miao-Bin Kim, Ji-Young Han, Myung-Geun Ferguson, Heather Chang, You-Chia Kotov, Nicholas A. Norris, Theodore B. GP IEEE TI A Fresh Look on the Origin of Nonlinear Light Scattering and Photoluminescence from Gold Nanorods SO 2016 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO) SE Conference on Lasers and Electro-Optics LA English DT Proceedings Paper CT Conference on Lasers and Electro-Optics (CLEO) CY JUN 05-10, 2016 CL San Jose, CA AB Using electron holography, we have shown that gold nanorods with perfect structural symmetry are electrically anisotropic. We present a quantitative model that accounts for the spectrum, power scaling and the origin of the luminescence. C1 [Lien, Miao-Bin; Ferguson, Heather; Chang, You-Chia; Norris, Theodore B.] Univ Michigan, Ctr Photon & Multiscale Nanomat, Ann Arbor, MI 48109 USA. [Lien, Miao-Bin; Ferguson, Heather; Chang, You-Chia; Norris, Theodore B.] Univ Michigan, Dept Elect Engn & Comp Sci, Ann Arbor, MI 48109 USA. [Kim, Ji-Young; Kotov, Nicholas A.] Univ Michigan, Dept Mat Sci & Engn, Ann Arbor, MI 48109 USA. [Han, Myung-Geun] Brookhaven Natl Lab, Condensed Matter Phys & Mat Sci Dept, Upton, NY 11973 USA. RP Lien, MB (reprint author), Univ Michigan, Ctr Photon & Multiscale Nanomat, Ann Arbor, MI 48109 USA.; Lien, MB (reprint author), Univ Michigan, Dept Elect Engn & Comp Sci, Ann Arbor, MI 48109 USA. EM mblien@umich.edu NR 5 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 2160-9020 BN 978-1-9435-8011-8 J9 CONF LASER ELECTR PY 2016 PG 2 WC Engineering, Electrical & Electronic; Optics; Physics, Applied SC Engineering; Optics; Physics GA BG7HE UT WOS:000391286402014 ER PT S AU Liu, S Keeler, GA Reno, JL Sinclair, MB Brener, I AF Liu, Sheng Keeler, Gordon A. Reno, John L. Sinclair, Michael B. Brener, Igal GP IEEE TI 2D and 3D all dielectric metamaterials made from III-V semiconductors SO 2016 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO) SE Conference on Lasers and Electro-Optics LA English DT Proceedings Paper CT Conference on Lasers and Electro-Optics (CLEO) CY JUN 05-10, 2016 CL San Jose, CA AB We present all-dielectric 2D and 3D metamaterials that are monolithically fabricated from III-V semiconductor nanostructures. The active/gain and high optical nonlinearity properties of the metamaterials can lead to new classes of active devices. C1 [Liu, Sheng; Keeler, Gordon A.; Reno, John L.; Sinclair, Michael B.; Brener, Igal] Sandia Natl Labs, Albuquerque, NM 87185 USA. [Liu, Sheng; Reno, John L.; Brener, Igal] Sandia Natl Labs, Ctr Integrated Nanotechnol, Albuquerque, NM 87185 USA. RP Liu, S (reprint author), Sandia Natl Labs, Albuquerque, NM 87185 USA.; Liu, S (reprint author), Sandia Natl Labs, Ctr Integrated Nanotechnol, Albuquerque, NM 87185 USA. EM snliu@sandia.gov NR 4 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 2160-9020 BN 978-1-9435-8011-8 J9 CONF LASER ELECTR PY 2016 PG 2 WC Engineering, Electrical & Electronic; Optics; Physics, Applied SC Engineering; Optics; Physics GA BG7HE UT WOS:000391286400462 ER PT S AU Liu, S Keeler, GA Reno, JL Yang, YM Sinclair, MB Brener, I AF Liu, Sheng Keeler, Gordon A. Reno, John L. Yang, Yuanmu Sinclair, Michael B. Brener, Igal GP IEEE TI Efficient second harmonic generation from GaAs all-dielectric metasurfaces SO 2016 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO) SE Conference on Lasers and Electro-Optics LA English DT Proceedings Paper CT Conference on Lasers and Electro-Optics (CLEO) CY JUN 05-10, 2016 CL San Jose, CA ID NANOANTENNAS AB We experimentally observe large enhancement of second-harmonic generation (SHG) from GaAs metasurfaces. The SHG polarization when excited at the electric and magnetic dipole resonances is orthogonal and can be attributed to different nonlinear generation mechanisms. C1 [Liu, Sheng; Keeler, Gordon A.; Reno, John L.; Yang, Yuanmu; Sinclair, Michael B.; Brener, Igal] Sandia Natl Labs, Albuquerque, NM 87185 USA. [Liu, Sheng; Reno, John L.; Yang, Yuanmu; Brener, Igal] Sandia Natl Labs, Ctr Integrated Nanotechnol, Albuquerque, NM 87185 USA. RP Liu, S (reprint author), Sandia Natl Labs, Albuquerque, NM 87185 USA.; Liu, S (reprint author), Sandia Natl Labs, Ctr Integrated Nanotechnol, Albuquerque, NM 87185 USA. EM snliu@sandia.gov NR 5 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 2160-9020 BN 978-1-9435-8011-8 J9 CONF LASER ELECTR PY 2016 PG 2 WC Engineering, Electrical & Electronic; Optics; Physics, Applied SC Engineering; Optics; Physics GA BG7HE UT WOS:000391286400322 ER PT S AU Liu, Y Rakhman, A AF Liu, Yun Rakhman, Abdurahim GP IEEE TI Laser System for High-Efficiency Hydrogen Ion Stripping SO 2016 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO) SE Conference on Lasers and Electro-Optics LA English DT Proceedings Paper CT Conference on Lasers and Electro-Optics (CLEO) CY JUN 05-10, 2016 CL San Jose, CA AB We describe the design, installation, and commissioning result of a macro-pulsed megawatt UV laser system for high-efficiency laser stripping of 1 GeV hydrogen ion beam in the accumulator ring of Spallation Neutron Source accelerator complex. C1 [Liu, Yun; Rakhman, Abdurahim] Oak Ridge Natl Lab, Spallut Neutron Source, 1 Bethel Valley Rd, Oak Ridge, TN 37831 USA. [Rakhman, Abdurahim] Univ Tennessee, Dept Phys & Astron, 1408 Circle Dr, Knoxville, TN 37996 USA. RP Liu, Y (reprint author), Oak Ridge Natl Lab, Spallut Neutron Source, 1 Bethel Valley Rd, Oak Ridge, TN 37831 USA. EM liuy2@ornl.gov NR 3 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 2160-9020 BN 978-1-9435-8011-8 J9 CONF LASER ELECTR PY 2016 PG 2 WC Engineering, Electrical & Electronic; Optics; Physics, Applied SC Engineering; Optics; Physics GA BG7HE UT WOS:000391286402442 ER PT S AU Ly, S Rubenchik, AM Guss, G Khairallah, S Wu, S Matthews, MJ AF Ly, Sonny Rubenchik, Alexander M. Guss, Gabe Khairallah, Saad Wu, Sheldon Matthews, Manyalibo J. GP IEEE TI Probing melt pool dynamics and particle ejection using high speed optical diagnostics SO 2016 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO) SE Conference on Lasers and Electro-Optics LA English DT Proceedings Paper CT Conference on Lasers and Electro-Optics (CLEO) CY JUN 05-10, 2016 CL San Jose, CA AB We present experimental results and modeling of melt pool dynamics and particle ejection associated with selective laser melting. High speed optical diagnostics are used to probe morphological changes for SS316L. Data is compared to simulations. C1 [Ly, Sonny; Rubenchik, Alexander M.; Guss, Gabe; Khairallah, Saad; Wu, Sheldon; Matthews, Manyalibo J.] Lawrence Livermore Natl Lab, Phys & Life Sci & Natl Ignit Facil, 7000 East Ave, Lawrence, CA 94550 USA. RP Ly, S (reprint author), Lawrence Livermore Natl Lab, Phys & Life Sci & Natl Ignit Facil, 7000 East Ave, Lawrence, CA 94550 USA. EM Ly2@llnl.gov NR 3 TC 0 Z9 0 U1 1 U2 1 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 2160-9020 BN 978-1-9435-8011-8 J9 CONF LASER ELECTR PY 2016 PG 2 WC Engineering, Electrical & Electronic; Optics; Physics, Applied SC Engineering; Optics; Physics GA BG7HE UT WOS:000391286400166 ER PT S AU Malasi, A Taz, H Farah, A Patel, M Lawrie, B Pooser, R Baddorf, A Duscher, G Kalyanaraman, R AF Malasi, A. Taz, H. Farah, A. Patel, M. Lawrie, B. Pooser, R. Baddorf, A. Duscher, G. Kalyanaraman, R. GP IEEE TI Novel Iron-Based Amorphous Transparent Conducting Oxide SO 2016 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO) SE Conference on Lasers and Electro-Optics LA English DT Proceedings Paper CT Conference on Lasers and Electro-Optics (CLEO) CY JUN 05-10, 2016 CL San Jose, CA AB We experimentally demonstrate an amorphous ternary metal oxide of Fe, Tb, and Dy exhibiting high electronic conductivity, Hall mobility, and optical transparency driven by partly filled d- and f-subshells. C1 [Malasi, A.; Kalyanaraman, R.] Univ Tennessee, Dept Chem & Biomol Engn, Knoxville, TN 37996 USA. [Taz, H.; Patel, M.; Kalyanaraman, R.] Univ Tennessee, Bredesen Ctr, Knoxville, TN 37996 USA. [Farah, A.; Duscher, G.; Kalyanaraman, R.] Univ Tennessee, Dept Mat Sci & Engn, Knoxville, TN 37996 USA. [Lawrie, B.; Pooser, R.] Oak Ridge Natl Lab, Quantum Informat Sci Grp, Oak Ridge, TN 37831 USA. [Baddorf, A.] Oak Ridge Natl Lab, Ctr Nanophase Mat Sci, Oak Ridge, TN 37831 USA. [Baddorf, A.; Duscher, G.] Oak Ridge Natl Lab, Mat Sci & Technol Div, Oak Ridge, TN 37831 USA. RP Lawrie, B (reprint author), Oak Ridge Natl Lab, Quantum Informat Sci Grp, Oak Ridge, TN 37831 USA. EM lawriebj@ornl.gov NR 3 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 2160-9020 BN 978-1-9435-8011-8 J9 CONF LASER ELECTR PY 2016 PG 2 WC Engineering, Electrical & Electronic; Optics; Physics, Applied SC Engineering; Optics; Physics GA BG7HE UT WOS:000391286401325 ER PT S AU Marseglia, L Saha, K Ajoy, A Schroder, T Englund, D Teraji, T Isoya, J Jelezko, F Walsworth, R Pacheco, JL Perry, DL Bielejec, ES Cappellaro, P AF Marseglia, L. Saha, K. Ajoy, A. Schroder, T. Englund, D. Teraji, T. Isoya, J. Jelezko, F. Walsworth, R. Pacheco, J. L. Perry, D. L. Bielejec, E. S. Cappellaro, P. GP IEEE TI A bright nanowire single photon source SO 2016 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO) SE Conference on Lasers and Electro-Optics LA English DT Proceedings Paper CT Conference on Lasers and Electro-Optics (CLEO) CY JUN 05-10, 2016 CL San Jose, CA AB Silicon-vacancy ( SiV) centers in diamond are bright sources of indistinguishable single photons. We report fabrication of nanowires coupled to single SiV by deterministic ion implantation, yielding greatly enhanced light coupling compared to SiV in bulk. C1 [Marseglia, L.; Saha, K.; Ajoy, A.; Schroder, T.; Englund, D.; Cappellaro, P.] MIT, Elect Res Lab, Cambridge, MA 02139 USA. [Teraji, T.] NIMS, Tsukuba, Ibaraki 3050047, Japan. [Isoya, J.] Univ Tsukuba, Tsukuba, Ibaraki 3058571, Japan. [Marseglia, L.; Jelezko, F.] Univ Ulm, D-89081 Ulm, Germany. [Walsworth, R.] Harvard Smithsonian Ctr Astrophys, Cambridge, MA 02138 USA. [Pacheco, J. L.; Perry, D. L.; Bielejec, E. S.] Sandia Labs, Albuquerque, NM 87123 USA. RP Marseglia, L (reprint author), MIT, Elect Res Lab, Cambridge, MA 02139 USA.; Marseglia, L (reprint author), Univ Ulm, D-89081 Ulm, Germany. EM lucamars@mit.edu NR 4 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 2160-9020 BN 978-1-9435-8011-8 J9 CONF LASER ELECTR PY 2016 PG 2 WC Engineering, Electrical & Electronic; Optics; Physics, Applied SC Engineering; Optics; Physics GA BG7HE UT WOS:000391286401061 ER PT S AU Matlis, NH Maksimchuk, A Yanoysky, V Downer, MC AF Matlis, N. H. Maksimchuk, A. Yanoysky, V. Downer, M. C. GP IEEE TI Temporal Encoding of Spectral Modulations in Chirped Pulses SO 2016 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO) SE Conference on Lasers and Electro-Optics LA English DT Proceedings Paper CT Conference on Lasers and Electro-Optics (CLEO) CY JUN 05-10, 2016 CL San Jose, CA AB We derive a connection between time and frequency domains for sinusoidal modulations of chirped optical pulses and demonstrate its use as a single-shot, ultrafast diagnostic for periodic structures. C1 [Matlis, N. H.; Downer, M. C.] Univ Texas Austin, Austin, TX 78712 USA. [Matlis, N. H.] Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA. [Maksimchuk, A.; Yanoysky, V.] Univ Michigan, Ann Arbor, MI 48109 USA. [Matlis, N. H.] DESY, D-22607 Hamburg, Germany. RP Matlis, NH (reprint author), Univ Texas Austin, Austin, TX 78712 USA.; Matlis, NH (reprint author), Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA.; Matlis, NH (reprint author), DESY, D-22607 Hamburg, Germany. EM nicholas.matlis@desy.de NR 2 TC 0 Z9 0 U1 1 U2 1 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 2160-9020 BN 978-1-9435-8011-8 J9 CONF LASER ELECTR PY 2016 PG 2 WC Engineering, Electrical & Electronic; Optics; Physics, Applied SC Engineering; Optics; Physics GA BG7HE UT WOS:000391286400095 ER PT S AU McFarland, BK Prasankumar, RP Rodriguez, G Sandberg, RL Taylor, AJ Trugman, S Zhu, JX Yarotski, D AF McFarland, Brian K. Prasankumar, Rohit P. Rodriguez, George Sandberg, Richard L. Taylor, Antoinette J. Trugman, Stuart Zhu, Jian-Xin Yarotski, Dmitry GP IEEE TI Ultrafast X-Ray Probe of Dynamics in Chromium SO 2016 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO) SE Conference on Lasers and Electro-Optics LA English DT Proceedings Paper CT Conference on Lasers and Electro-Optics (CLEO) CY JUN 05-10, 2016 CL San Jose, CA AB We apply ultrafast soft X-ray (SXR) magnetic spectroscopy to reveal the competition between different spin states in photoexcited antiferromagnetic (AFM) chromium (Cr) metal in a broad temperature range above the spin flip transition. C1 [McFarland, Brian K.; Prasankumar, Rohit P.; Rodriguez, George; Sandberg, Richard L.; Trugman, Stuart; Zhu, Jian-Xin; Yarotski, Dmitry] Los Alamos Natl Lab, Ctr Integrated Nanotechnol, Los Alamos, NM 87545 USA. [Taylor, Antoinette J.] Los Alamos Natl Lab, Chem Life & Earth Sci Div, Los Alamos, NM 87545 USA. RP McFarland, BK (reprint author), Los Alamos Natl Lab, Ctr Integrated Nanotechnol, Los Alamos, NM 87545 USA. EM bmcfarla@lanl.gov NR 5 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 2160-9020 BN 978-1-9435-8011-8 J9 CONF LASER ELECTR PY 2016 PG 2 WC Engineering, Electrical & Electronic; Optics; Physics, Applied SC Engineering; Optics; Physics GA BG7HE UT WOS:000391286400391 ER PT S AU Moore, J Douglas, JK Frank, IW Friedmann, TA Camacho, RM Eichenfield, M AF Moore, Jeremy Douglas, J. Kenneth Frank, Ian W. Friedmann, Thomas A. Camacho, Ryan M. Eichenfield, Matt GP IEEE TI Efficient Second Harmonic Generation in Lithium Niobate on Insulator SO 2016 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO) SE Conference on Lasers and Electro-Optics LA English DT Proceedings Paper CT Conference on Lasers and Electro-Optics (CLEO) CY JUN 05-10, 2016 CL San Jose, CA AB We demonstrate doubly resonant second harmonic generation from 1550 to 775 nm in microdisks fabricated from lithium niobate on insulator wafers. We use a novel phase matching technique to achieve a conversion efficiency of 0.167%/mW. C1 [Moore, Jeremy; Douglas, J. Kenneth; Frank, Ian W.; Friedmann, Thomas A.; Camacho, Ryan M.; Eichenfield, Matt] Sandia Natl Labs, 1515 Eubank, Albuquerque, NM 87185 USA. RP Eichenfield, M (reprint author), Sandia Natl Labs, 1515 Eubank, Albuquerque, NM 87185 USA. EM matt.eichenfield@sandia.gov NR 5 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 2160-9020 BN 978-1-9435-8011-8 J9 CONF LASER ELECTR PY 2016 PG 2 WC Engineering, Electrical & Electronic; Optics; Physics, Applied SC Engineering; Optics; Physics GA BG7HE UT WOS:000391286403143 ER PT S AU Naulleau, P AF Naulleau, Patrick GP IEEE TI Metrologies Supporting EUV Lithography SO 2016 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO) SE Conference on Lasers and Electro-Optics LA English DT Proceedings Paper CT Conference on Lasers and Electro-Optics (CLEO) CY JUN 05-10, 2016 CL San Jose, CA C1 [Naulleau, Patrick] Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA. RP Naulleau, P (reprint author), Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA. NR 0 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 2160-9020 BN 978-1-9435-8011-8 J9 CONF LASER ELECTR PY 2016 PG 1 WC Engineering, Electrical & Electronic; Optics; Physics, Applied SC Engineering; Optics; Physics GA BG7HE UT WOS:000391286400025 ER PT S AU Odele, OD Lukens, JM Leaird, DE Weiner, AM AF Odele, Ogaga D. Lukens, Joseph M. Leaird, Daniel E. Weiner, Andrew M. GP IEEE TI Modulation technique for improving temporal resolution in biphoton coincidence measurements SO 2016 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO) SE Conference on Lasers and Electro-Optics LA English DT Proceedings Paper CT Conference on Lasers and Electro-Optics (CLEO) CY JUN 05-10, 2016 CL San Jose, CA AB We propose and demonstrate a new method for temporal characterization of entangled photons based on electro-optic modulation and time shifting. Our technique reduces the resolution limits induced by the large timing jitters in single-photon detectors. C1 [Odele, Ogaga D.; Lukens, Joseph M.; Leaird, Daniel E.; Weiner, Andrew M.] Purdue Univ, Sch Elect & Comp Engn, W Lafayette, IN 47907 USA. [Odele, Ogaga D.; Lukens, Joseph M.; Leaird, Daniel E.; Weiner, Andrew M.] Purdue Univ, Purdue Quantum Ctr, W Lafayette, IN 47907 USA. [Lukens, Joseph M.] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA. RP Weiner, AM (reprint author), Purdue Univ, Sch Elect & Comp Engn, W Lafayette, IN 47907 USA.; Weiner, AM (reprint author), Purdue Univ, Purdue Quantum Ctr, W Lafayette, IN 47907 USA. EM amw@purdue.edu NR 3 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 2160-9020 BN 978-1-9435-8011-8 J9 CONF LASER ELECTR PY 2016 PG 2 WC Engineering, Electrical & Electronic; Optics; Physics, Applied SC Engineering; Optics; Physics GA BG7HE UT WOS:000391286401092 ER PT S AU Patz, A Luo, L Yang, X Bud'Ko, S Canfield, PC Wang, JG AF Patz, Aaron Luo, Liang Yang, Xu Bud'Ko, Sergey Canfield, Paul C. Wang, Jigang GP IEEE TI Ultrafast THz Probes of Non-Equilibrium Cooper Pairs in Iron Pnictides SO 2016 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO) SE Conference on Lasers and Electro-Optics LA English DT Proceedings Paper CT Conference on Lasers and Electro-Optics (CLEO) CY JUN 05-10, 2016 CL San Jose, CA AB Ultrafast non-equilibrium quenching of superconductivity is shown to display a distinct two-step profile with strong excitation fluence and doping dependence in Ba(Fe1-xCox)(2)As-2 which underpins, for the best first time, a new bosonic scattering channel from spin density wave fluctuations. (C) 2014 Optical Society of America C1 [Patz, Aaron] Iowa State Univ, Dept Phys & Astron, Ames, IA 50011 USA. US DOE, Ames Lab, Washington, DC 20585 USA. RP Patz, A (reprint author), Iowa State Univ, Dept Phys & Astron, Ames, IA 50011 USA. NR 5 TC 0 Z9 0 U1 1 U2 1 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 2160-9020 BN 978-1-9435-8011-8 J9 CONF LASER ELECTR PY 2016 PG 2 WC Engineering, Electrical & Electronic; Optics; Physics, Applied SC Engineering; Optics; Physics GA BG7HE UT WOS:000391286401069 ER PT S AU Peters, NA Lim, CCW AF Peters, Nicholas A. Lim, Charles Ci Wen GP IEEE TI Practical Multiplexing For Third Generation Quantum Repeaters SO 2016 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO) SE Conference on Lasers and Electro-Optics LA English DT Proceedings Paper CT Conference on Lasers and Electro-Optics (CLEO) CY JUN 05-10, 2016 CL San Jose, CA AB We restrict quantum error correcting code sizes in third-generation quantum repeaters to explore qubit channel multiplexing. We find that the single link optimization is not necessarily the optimal configuration for improving the practical encoded-qubit throughput. C1 [Peters, Nicholas A.; Lim, Charles Ci Wen] Oak Ridge Natl Lab, Computat Sci & Engn Div, Quantum Informat Sci Grp, Oak Ridge, TN 37831 USA. RP Peters, NA (reprint author), Oak Ridge Natl Lab, Computat Sci & Engn Div, Quantum Informat Sci Grp, Oak Ridge, TN 37831 USA. EM petersna@ornl.gov NR 3 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 2160-9020 BN 978-1-9435-8011-8 J9 CONF LASER ELECTR PY 2016 PG 2 WC Engineering, Electrical & Electronic; Optics; Physics, Applied SC Engineering; Optics; Physics GA BG7HE UT WOS:000391286400295 ER PT S AU Phillips, MC Harilal, SS Yeak, J AF Phillips, Mark C. Harilal, Sivanandan S. Yeak, Jeremy GP IEEE TI Tunable Laser Absorption Spectroscopy of Uranium in Femtosecond Laser Ablation Plasmas SO 2016 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO) SE Conference on Lasers and Electro-Optics LA English DT Proceedings Paper CT Conference on Lasers and Electro-Optics (CLEO) CY JUN 05-10, 2016 CL San Jose, CA AB We present the first measurements of tunable laser absorption spectroscopy in femtosecond laser ablation plasmas. Time-resolved absorption spectra of uranium and aluminum are measured with high spectral and high temporal resolution. C1 [Phillips, Mark C.; Harilal, Sivanandan S.] Pacific Northwest Natl Lab, Richland, WA 99352 USA. [Yeak, Jeremy] Phys Mat & Adv Math Res Inc, Tusson, AZ 85719 USA. RP Phillips, MC (reprint author), Pacific Northwest Natl Lab, Richland, WA 99352 USA. EM nrark.phillips@pnnl.gov RI Harilal, Sivanandan/B-5438-2014 OI Harilal, Sivanandan/0000-0003-2266-7976 NR 1 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 2160-9020 BN 978-1-9435-8011-8 J9 CONF LASER ELECTR PY 2016 PG 2 WC Engineering, Electrical & Electronic; Optics; Physics, Applied SC Engineering; Optics; Physics GA BG7HE UT WOS:000391286403063 ER PT S AU Pooser, R Lawrie, B AF Pooser, Raphael Lawrie, Ben GP IEEE TI Ultratrace Plasmonic Sensing below the Shot Noise Limit SO 2016 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO) SE Conference on Lasers and Electro-Optics LA English DT Proceedings Paper CT Conference on Lasers and Electro-Optics (CLEO) CY JUN 05-10, 2016 CL San Jose, CA AB A balanced SPR sensor utilizing intensity squeezed states to resolve signals below the shot-noise-limit is demonstrated. At the inflection point, this sensor demonstrates 2.5 dB greater sensitivity than the best comparable classical sensor. C1 [Pooser, Raphael; Lawrie, Ben] Oak Ridge Natl Lab, Quantum Informat Sci Grp, Oak Ridge, TN 37830 USA. RP Lawrie, B (reprint author), Oak Ridge Natl Lab, Quantum Informat Sci Grp, Oak Ridge, TN 37830 USA. EM lawriebj@ornl.gov NR 3 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 2160-9020 BN 978-1-9435-8011-8 J9 CONF LASER ELECTR PY 2016 PG 2 WC Engineering, Electrical & Electronic; Optics; Physics, Applied SC Engineering; Optics; Physics GA BG7HE UT WOS:000391286400206 ER PT S AU Ramezani, H Wang, Y Zhang, X AF Ramezani, Hamidreza Wang, Yuan Zhang, Xiang GP IEEE TI Unidirectional Perfect Absorber SO 2016 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO) SE Conference on Lasers and Electro-Optics LA English DT Proceedings Paper CT Conference on Lasers and Electro-Optics (CLEO) CY JUN 05-10, 2016 CL San Jose, CA AB We show an interplay between Fano resonances and a judicious absorption mechanism leads to a unidirectional perfect absorber which can be controlled both in direction and frequency. (C) 2016 Optical Society of America C1 [Ramezani, Hamidreza; Wang, Yuan; Zhang, Xiang] Univ Calif Berkeley, NSF Nanoscale Sci & Engn Ctr, Berkeley, CA 94720 USA. [Zhang, Xiang] Lawrence Berkeley Natl Lab, Div Mat Sci, Berkeley, CA 94720 USA. RP Zhang, X (reprint author), Univ Calif Berkeley, NSF Nanoscale Sci & Engn Ctr, Berkeley, CA 94720 USA.; Zhang, X (reprint author), Lawrence Berkeley Natl Lab, Div Mat Sci, Berkeley, CA 94720 USA. EM xiang@berkeley.edu NR 10 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 2160-9020 BN 978-1-9435-8011-8 J9 CONF LASER ELECTR PY 2016 PG 2 WC Engineering, Electrical & Electronic; Optics; Physics, Applied SC Engineering; Optics; Physics GA BG7HE UT WOS:000391286400209 ER PT S AU Schaibley, JR Rivera, P Seyler, K Karin, T Yan, JQ Mandrus, DG Yu, H Yao, W Fu, KM Xu, XD AF Schaibley, John R. Rivera, Pasqual Seyler, Kyle Karin, Todd Yan, Jiaqiang Mandrus, David G. Yu, Hongyi Yao, Wang Fu, Kai-Mei Xu, Xiaodong GP IEEE TI Nonlinear Spectroscopy of Valley Excitons in 2D Semiconductors and Heterostructures SO 2016 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO) SE Conference on Lasers and Electro-Optics LA English DT Proceedings Paper CT Conference on Lasers and Electro-Optics (CLEO) CY JUN 05-10, 2016 CL San Jose, CA AB We investigate the resonant nonlinear optical response of excitons in monolayer MoSe2, where we observe narrow population pulsation resonances. We investigate interlayer excitons in MoSe2-WSe2 heterostructures, where we report long-lived valley polarization and spatial expansion. C1 [Schaibley, John R.; Rivera, Pasqual; Seyler, Kyle; Karin, Todd; Fu, Kai-Mei; Xu, Xiaodong] Univ Washington, Dept Phys, Seattle, WA 98195 USA. [Yan, Jiaqiang; Mandrus, David G.] Oak Ridge Natl Lab, Div Mat Sci & Technol, Oak Ridge, TN 37831 USA. [Yan, Jiaqiang; Mandrus, David G.] Univ Tennessee, Dept Mat Sci & Engn, Knoxville, TN 37996 USA. [Mandrus, David G.] Univ Tennessee, Dept Phys & Astron, Knoxville, TN 37996 USA. [Yu, Hongyi; Yao, Wang] Univ Hong Kong, Dept Phys, Hong Kong, Hong Kong, Peoples R China. [Yu, Hongyi; Yao, Wang] Univ Hong Kong, Ctr Theoret & Computat Phys, Hong Kong, Hong Kong, Peoples R China. [Fu, Kai-Mei] Univ Washington, Dept Elect Engn, Seattle, WA 98195 USA. [Xu, Xiaodong] Univ Washington, Dept Mat Sci & Engn, Seattle, WA 98195 USA. RP Xu, XD (reprint author), Univ Washington, Dept Phys, Seattle, WA 98195 USA.; Xu, XD (reprint author), Univ Washington, Dept Mat Sci & Engn, Seattle, WA 98195 USA. EM xuxd@uw.edu NR 8 TC 0 Z9 0 U1 1 U2 1 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 2160-9020 BN 978-1-9435-8011-8 J9 CONF LASER ELECTR PY 2016 PG 2 WC Engineering, Electrical & Electronic; Optics; Physics, Applied SC Engineering; Optics; Physics GA BG7HE UT WOS:000391286403300 ER PT S AU Schroder, T Trusheim, ME Walsh, M Pacheco, J Li, LZ Zheng, JB Schukraft, M Sipahigil, A Evans, RE Sukachev, DD Bielejec, ES Lukin, MD Englund, D AF Schroder, Tim Trusheim, Matthew E. Walsh, Michael Pacheco, Jose Li, Luozhou Zheng, Jiabao Schukraft, Marco Sipahigil, Alp Evans, Ruffin E. Sukachev, Denis D. Bielejec, Edward S. Lukin, Mikhail D. Englund, Dirk GP IEEE TI Maskless Creation of Silicon Vacancy Centers in Photonic Crystal Cavities SO 2016 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO) SE Conference on Lasers and Electro-Optics LA English DT Proceedings Paper CT Conference on Lasers and Electro-Optics (CLEO) CY JUN 05-10, 2016 CL San Jose, CA ID DIAMOND AB Here, we demonstrate direct, maskless creation of single silicon-vacancy centers in diamond nanostructures via focused ion beam implantation with < 50 nm positioning precision and close to lifetime-limited emission linewidth of similar to 126 +/- 13 MHz. (C) 2016 Optical Society of America C1 [Schroder, Tim; Trusheim, Matthew E.; Walsh, Michael; Li, Luozhou; Zheng, Jiabao; Schukraft, Marco; Englund, Dirk] MIT, Dept Elect Engn & Comp Sci, Cambridge, MA 02139 USA. [Pacheco, Jose; Bielejec, Edward S.] Sandia Natl Labs, Albuquerque, NM 87185 USA. [Zheng, Jiabao] Columbia Univ, Dept Elect Engn, New York, NY 10027 USA. [Sipahigil, Alp; Evans, Ruffin E.; Sukachev, Denis D.; Lukin, Mikhail D.] Harvard Univ, Dept Phys, 17 Oxford St, Cambridge, MA 02138 USA. [Sukachev, Denis D.] Russian Quantum Ctr, Moscow 143025, Russia. RP Schroder, T (reprint author), MIT, Dept Elect Engn & Comp Sci, Cambridge, MA 02139 USA. EM schroder@mit.edu NR 7 TC 0 Z9 0 U1 1 U2 1 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 2160-9020 BN 978-1-9435-8011-8 J9 CONF LASER ELECTR PY 2016 PG 2 WC Engineering, Electrical & Electronic; Optics; Physics, Applied SC Engineering; Optics; Physics GA BG7HE UT WOS:000391286401063 ER PT S AU Shaw, L Chizari, S Panas, RM Shusteff, M Spadaccini, C Hopkins, JB AF Shaw, L. Chizari, S. Panas, R. M. Shusteff, M. Spadaccini, C. Hopkins, J. B. GP IEEE TI Planar Microparticle Assembly and Photopolymerized Joining with Holographic Optical Tweezers SO 2016 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO) SE Conference on Lasers and Electro-Optics LA English DT Proceedings Paper CT Conference on Lasers and Electro-Optics (CLEO) CY JUN 05-10, 2016 CL San Jose, CA AB Holographic optical tweezers are able to assemble and permanently join polystyrene microspheres into planar patterns using an acrylamide-based photopolymerization reaction. This approach holds potential as a new method for additive fabrication of multi-material microstructures. C1 [Shaw, L.; Chizari, S.; Hopkins, J. B.] Univ Calif Los Angeles, Dept Mech & Aerosp Engn, 420 Westwood Plaza, Los Angeles, CA 90095 USA. [Panas, R. M.; Shusteff, M.; Spadaccini, C.] Lawrence Livermore Natl Lab, 7000 East Ave, Livermore, CA 94550 USA. RP Hopkins, JB (reprint author), Univ Calif Los Angeles, Dept Mech & Aerosp Engn, 420 Westwood Plaza, Los Angeles, CA 90095 USA. EM hopkins@seas.ucla.edu NR 10 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 2160-9020 BN 978-1-9435-8011-8 J9 CONF LASER ELECTR PY 2016 PG 2 WC Engineering, Electrical & Electronic; Optics; Physics, Applied SC Engineering; Optics; Physics GA BG7HE UT WOS:000391286400004 ER PT S AU Shi, NN Tsai, CC Camino, F Bernard, GD Wehner, R Yu, NF AF Shi, Norman Nan Tsai, Cheng-Chia Camino, Fernando Bernard, Gary D. Wehner, Ruediger Yu, Nanfang GP IEEE TI Radiative Cooling Nano-Photonic Structures Discovered in Saharan Silver Ants and Related Biomimetic Metasurfaces SO 2016 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO) SE Conference on Lasers and Electro-Optics LA English DT Proceedings Paper CT Conference on Lasers and Electro-Optics (CLEO) CY JUN 05-10, 2016 CL San Jose, CA AB The study shows how Saharan silver ants utilize a uniquely shaped hair coating to substantially enhance reflectivity in the solar spectrum and emissivity in the mid-infrared. Biomimetic metasurfaces with such radiative-cooling properties are also reported. C1 [Shi, Norman Nan; Tsai, Cheng-Chia; Yu, Nanfang] Columbia Univ, Dept Appl Phys & Appl Math, New York, NY 10027 USA. [Camino, Fernando] Brookhaven Natl Lab, Ctr Funct Nanomat, Upton, NY 11973 USA. [Bernard, Gary D.] Univ Washington, Dept Elect Engn, Seattle, WA 98195 USA. [Wehner, Ruediger] Univ Zurich, Brain Res Inst, CH-8006 Zurich, Switzerland. RP Wehner, R (reprint author), Univ Zurich, Brain Res Inst, CH-8006 Zurich, Switzerland. EM wehner@zool.uzh.ch; ny2214@columbia.edu NR 6 TC 0 Z9 0 U1 1 U2 1 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 2160-9020 BN 978-1-9435-8011-8 J9 CONF LASER ELECTR PY 2016 PG 2 WC Engineering, Electrical & Electronic; Optics; Physics, Applied SC Engineering; Optics; Physics GA BG7HE UT WOS:000391286400445 ER PT S AU Siddiqui, AM Moore, J Tomes, M Stanfield, P Camacho, R Eichenfield, M AF Siddiqui, Aleem M. Moore, Jeremy Tomes, Matthew Stanfield, Paul Camacho, Ryan Eichenfield, Matt GP IEEE TI Direct RF to Optical Link Based on Film Bulk Acoustic Wave Resonators (FBAR) SO 2016 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO) SE Conference on Lasers and Electro-Optics LA English DT Proceedings Paper CT Conference on Lasers and Electro-Optics (CLEO) CY JUN 05-10, 2016 CL San Jose, CA AB We demonstrate conversion of a 10GHz radio frequency signal directly to fiber optics. A Fabry-Perot cavity formed between a fiber tip and an AlN-film acoustic resonator electrode enables resonantly enhanced phase modulation of back-reflected light. C1 [Siddiqui, Aleem M.; Moore, Jeremy; Tomes, Matthew; Stanfield, Paul; Camacho, Ryan; Eichenfield, Matt] Sandia Natl Labs, Abuquerque, NM 87185 USA. RP Eichenfield, M (reprint author), Sandia Natl Labs, Abuquerque, NM 87185 USA. EM meichen@sandia.gov NR 3 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 2160-9020 BN 978-1-9435-8011-8 J9 CONF LASER ELECTR PY 2016 PG 2 WC Engineering, Electrical & Electronic; Optics; Physics, Applied SC Engineering; Optics; Physics GA BG7HE UT WOS:000391286402210 ER PT S AU Soufli, R Robinson, J Spiller, E Fernandez-Perea, M Gullikson, E AF Soufli, Regina Robinson, Jeff Spiller, Eberhard Fernandez-Perea, Monica Gullikson, Eric GP IEEE TI EUV/X-ray Multilayer Optics: Meeting the Challenges of Next-Generation Applications SO 2016 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO) SE Conference on Lasers and Electro-Optics LA English DT Proceedings Paper CT Conference on Lasers and Electro-Optics (CLEO) CY JUN 05-10, 2016 CL San Jose, CA AB This paper summarizes recent advances in the development of EUV/x-ray multilayer optics for photolithography, free- electron and tabletop lasers, and solar physics. Driven by the needs of their respective applications, the optics meet a variety of extraordinary specifications including coating thickness control in the picometer (rms) range, low coating stress, resistance to atmospheric corrosion, while at the same time maintaining high reflective performance. C1 [Soufli, Regina; Robinson, Jeff; Fernandez-Perea, Monica] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA. [Spiller, Eberhard] Spiller Xray Opt, Livermore, CA USA. [Gullikson, Eric] Lawrence Berkeley Natl Lab, Berkeley, CA USA. RP Soufli, R (reprint author), Lawrence Livermore Natl Lab, Livermore, CA 94550 USA. EM regina.soufli@llnl.gov NR 9 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 2160-9020 BN 978-1-9435-8011-8 J9 CONF LASER ELECTR PY 2016 PG 2 WC Engineering, Electrical & Electronic; Optics; Physics, Applied SC Engineering; Optics; Physics GA BG7HE UT WOS:000391286400016 ER PT S AU Vaskivskyi, I Stojchevska, L Brazovskii, S Borovsak, M Nesretinova, V Kirchmann, P Mihailovic, IA Fisher, I Mihailovic, D AF Vaskivskyi, I. Stojchevska, L. Brazovskii, S. Borovsak, M. Nesretinova, V. Kirchmann, P. Mihailovic, I. A. Fisher, I. Mihailovic, D. GP IEEE TI Ultrafast optical switching between hidden states of electronic matter under non-equilibrium conditions SO 2016 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO) SE Conference on Lasers and Electro-Optics LA English DT Proceedings Paper CT Conference on Lasers and Electro-Optics (CLEO) CY JUN 05-10, 2016 CL San Jose, CA AB We report on new hidden states of matter created under femtosecond timescale non-equilibrium conditions in dichalcogenides and complex oxides, focusing on their origin, optical and electronic control, relaxation mechanisms and applications leading to ultrafast opto-memristors. C1 [Vaskivskyi, I.; Stojchevska, L.; Brazovskii, S.; Borovsak, M.; Nesretinova, V.; Mihailovic, I. A.; Mihailovic, D.] Jozef Stefan Inst, Jamova 39, Ljubljana, Slovenia. [Kirchmann, P.; Fisher, I.] Stanford Univ, SLAC, Stanford, CA 94305 USA. [Brazovskii, S.] Univ Paris 11, Orsay, France. RP Mihailovic, D (reprint author), Jozef Stefan Inst, Jamova 39, Ljubljana, Slovenia. EM dragan.mihailovic@ijs.si NR 7 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 2160-9020 BN 978-1-9435-8011-8 J9 CONF LASER ELECTR PY 2016 PG 2 WC Engineering, Electrical & Electronic; Optics; Physics, Applied SC Engineering; Optics; Physics GA BG7HE UT WOS:000391286401028 ER PT S AU Wang, M Hosada, T Shterengas, L Stein, A Lu, M Kipshidze, G Belenky, G AF Wang, Meng Hosada, Takashi Shterengas, Leon Stein, Aaron Lu, Ming Kipshidze, Gela Belenky, Gregory GP IEEE TI Narrow Ridge Cascade Diode Lasers with lambda > 3 mu m. SO 2016 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO) SE Conference on Lasers and Electro-Optics LA English DT Proceedings Paper CT Conference on Lasers and Electro-Optics (CLEO) CY JUN 05-10, 2016 CL San Jose, CA ID ROOM-TEMPERATURE; OUTPUT POWER AB GaSb-based type-I quantum well wide ridge multimode cascade diode lasers generate more than 360 mW near 3.25 mu m at room temperature. Double-step narrow ridge waveguide lasers were fabricated to achieve single spatial mode operation with minimal threshold. C1 [Wang, Meng; Hosada, Takashi; Shterengas, Leon; Kipshidze, Gela; Belenky, Gregory] SUNY Stony Brook, Dept ECE, Stony Brook, NY 11794 USA. [Stein, Aaron; Lu, Ming] Brookhaven Natl Lab, Ctr Funct Nanomat, Upton, NY 11973 USA. RP Shterengas, L (reprint author), SUNY Stony Brook, Dept ECE, Stony Brook, NY 11794 USA. EM leon.shterengas@stonybrook.edu NR 5 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 2160-9020 BN 978-1-9435-8011-8 J9 CONF LASER ELECTR PY 2016 PG 2 WC Engineering, Electrical & Electronic; Optics; Physics, Applied SC Engineering; Optics; Physics GA BG7HE UT WOS:000391286403130 ER PT S AU Wang, Z Luk, TS Tan, YX Ji, DX Zhou, M Gan, QQ Yu, ZF AF Wang, Zhu Luk, Ting Shan Tan, Yixuan Ji, Dengxin Zhou, Ming Gan, Qiaoqiang Yu, Zongfu GP IEEE TI Spectrally selective thermal emitter with flat metallic films based on tunneling effect SO 2016 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO) SE Conference on Lasers and Electro-Optics LA English DT Proceedings Paper CT Conference on Lasers and Electro-Optics (CLEO) CY JUN 05-10, 2016 CL San Jose, CA AB We proposed and experimentally demonstrated a mechanism to achieve spectrally-selective metallic emitters based on tunneling effect. This effect allows a simple flat metal film to achieve near-unity emissivity with controlled spectral selectivity for efficient heat-to-light energy conversion. C1 [Wang, Zhu; Tan, Yixuan; Zhou, Ming; Yu, Zongfu] Univ Wisconsin, Dept Elect & Comp Engn, Madison, WI 53706 USA. [Luk, Ting Shan] Sandia Natl Labs, Ctr Integrated Nanotechnol CINT, Albuquerque, NM 87185 USA. [Ji, Dengxin; Gan, Qiaoqiang] New York State Univ Buffalo, Dept Elect & Comp Engn, Buffalo, NY 14260 USA. RP Luk, TS (reprint author), Sandia Natl Labs, Ctr Integrated Nanotechnol CINT, Albuquerque, NM 87185 USA. EM tsluk@sandia.gov; zyu54@wisc.edu NR 2 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 2160-9020 BN 978-1-9435-8011-8 J9 CONF LASER ELECTR PY 2016 PG 2 WC Engineering, Electrical & Electronic; Optics; Physics, Applied SC Engineering; Optics; Physics GA BG7HE UT WOS:000391286400446 ER PT S AU Wei, GH Czaplewski, DA Lenferink, EJ Jung, IW Stanev, TK Stern, NP AF Wei, Guohua Czaplewski, David A. Lenferink, Erik J. Jung, Il Woong Stanev, Teodor K. Stern, Nathaniel P. GP IEEE TI Laterally Confined Excitons in Two-Dimensional Semiconductor Quantum Dots SO 2016 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO) SE Conference on Lasers and Electro-Optics LA English DT Proceedings Paper CT Conference on Lasers and Electro-Optics (CLEO) CY JUN 05-10, 2016 CL San Jose, CA ID SPIN AB We study size-tunable lateral quantum confinement of excitons in monolayer transition metal dichalcogenide nanoflakes. Exciton photoluminescence energy and valley polarization are compared between continuous and patterned monolayers in the weak confinement regime. C1 [Wei, Guohua; Stern, Nathaniel P.] Northwestern Univ, Appl Phys Program, 2145 Sheridan Rd, Evanston, IL 60208 USA. [Czaplewski, David A.; Jung, Il Woong] Argonne Natl Lab, Ctr Nanoscale Mat, 9700 S Cass Ave, Argonne, IL 60439 USA. [Lenferink, Erik J.; Stern, Nathaniel P.] Northwestern Univ, Dept Phys & Astron, 2145 Sheridan Rood, Evanston, IL 60208 USA. RP Stern, NP (reprint author), Northwestern Univ, Appl Phys Program, 2145 Sheridan Rd, Evanston, IL 60208 USA.; Stern, NP (reprint author), Northwestern Univ, Dept Phys & Astron, 2145 Sheridan Rood, Evanston, IL 60208 USA. EM n-stern@northwestern.edu NR 8 TC 0 Z9 0 U1 1 U2 1 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 2160-9020 BN 978-1-9435-8011-8 J9 CONF LASER ELECTR PY 2016 PG 2 WC Engineering, Electrical & Electronic; Optics; Physics, Applied SC Engineering; Optics; Physics GA BG7HE UT WOS:000391286401107 ER PT S AU Williams, BP Lougovski, P AF Williams, Brian P. Lougovski, Pavel GP IEEE TI Bayesian mean estimation for finite two-photon experiments SO 2016 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO) SE Conference on Lasers and Electro-Optics LA English DT Proceedings Paper CT Conference on Lasers and Electro-Optics (CLEO) CY JUN 05-10, 2016 CL San Jose, CA AB Experimental two-photon state tomography commonly utilizes frequency based methods which under-utilize experimental data and require preliminary calibrations. We use Bayesian analysis to make informed physical estimates without initial calibrations. We report experimental and simulated results. (C) 2016 Optical Society of America C1 [Williams, Brian P.; Lougovski, Pavel] Oak Ridge Natl Lab, Quantum Inforamt Sci, 1 Bethel Valley Rd, Oak Ridge, TN 37831 USA. RP Williams, BP; Lougovski, P (reprint author), Oak Ridge Natl Lab, Quantum Inforamt Sci, 1 Bethel Valley Rd, Oak Ridge, TN 37831 USA. EM williamsbp@arnl.gov; lougovski@ornl.gov NR 4 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 2160-9020 BN 978-1-9435-8011-8 J9 CONF LASER ELECTR PY 2016 PG 2 WC Engineering, Electrical & Electronic; Optics; Physics, Applied SC Engineering; Optics; Physics GA BG7HE UT WOS:000391286401015 ER PT S AU Williams, BP Humble, TS AF Williams, Brian P. Humble, Travis S. GP IEEE TI Complete Bell state measurement realized utilizing time-polarization hyperentanglment SO 2016 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO) SE Conference on Lasers and Electro-Optics LA English DT Proceedings Paper CT Conference on Lasers and Electro-Optics (CLEO) CY JUN 05-10, 2016 CL San Jose, CA AB We report deterministic measurement of time-polarization hyperentangled two-photon Bell states with common single-photon detectors. Optical fiber distributed Bell states are detected with 84-93% success, demonstrating that our method may enable superdense coding over fiber channels. (C) 2016 Optical Society of America C1 [Williams, Brian P.; Humble, Travis S.] Oak Ridge Natl Lab, Quantum Comp Inst, Oak Ridge, TN 37831 USA. RP Williams, BP (reprint author), Oak Ridge Natl Lab, Quantum Comp Inst, Oak Ridge, TN 37831 USA. EM williamsbp@ornl.gov; humblets@ornl.gov NR 5 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 2160-9020 BN 978-1-9435-8011-8 J9 CONF LASER ELECTR PY 2016 PG 2 WC Engineering, Electrical & Electronic; Optics; Physics, Applied SC Engineering; Optics; Physics GA BG7HE UT WOS:000391286400331 ER PT S AU Yang, S Ni, XJ Kante, B Zhu, J O'Brien, K Wang, Y Zhang, X AF Yang, Sui Ni, Xingjie Kante, Boubacar Zhu, Jie O'Brien, Kevin Wang, Yuan Zhang, Xiang GP IEEE TI Experimental Demonstration of Optical Metamaterials with Isotropic Negative Index SO 2016 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO) SE Conference on Lasers and Electro-Optics LA English DT Proceedings Paper CT Conference on Lasers and Electro-Optics (CLEO) CY JUN 05-10, 2016 CL San Jose, CA AB The critical challenge to the successful implementation of 'perfect lens' and 'optical cloaking' is to achieve isotropic negative index metamaterials. Here we experimentally demonstrate isotropic negative index metamaterials at optical frequency by proper design and scalable self-assembly. C1 [Yang, Sui; Ni, Xingjie; Kante, Boubacar; Zhu, Jie; O'Brien, Kevin; Wang, Yuan; Zhang, Xiang] Univ Calif Berkeley, NSF Nano Scale Sci & Engn Ctr NSEC, 3112 Etcheverry Hall, Berkeley, CA 94720 USA. [Yang, Sui; Zhang, Xiang] Univ Calif Berkeley, Coll Engn, Appl Sci & Technol, Berkeley, CA 94720 USA. [Yang, Sui; Zhang, Xiang] Lawrence Berkeley Natl Lab, Div Mat Sci, 1 Cyclotron Rd, Berkeley, CA 94720 USA. RP Zhang, X (reprint author), Univ Calif Berkeley, NSF Nano Scale Sci & Engn Ctr NSEC, 3112 Etcheverry Hall, Berkeley, CA 94720 USA.; Zhang, X (reprint author), Univ Calif Berkeley, Coll Engn, Appl Sci & Technol, Berkeley, CA 94720 USA.; Zhang, X (reprint author), Lawrence Berkeley Natl Lab, Div Mat Sci, 1 Cyclotron Rd, Berkeley, CA 94720 USA. RI Yang, Sui /H-4417-2016 NR 6 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 2160-9020 BN 978-1-9435-8011-8 J9 CONF LASER ELECTR PY 2016 PG 2 WC Engineering, Electrical & Electronic; Optics; Physics, Applied SC Engineering; Optics; Physics GA BG7HE UT WOS:000391286400460 ER PT S AU Yang, X Luo, L Liu, XY Furdyna, J Wang, JG AF Yang, Xu Luo, Liang Liu, Xinyu Furdyna, Jacek Wang, Jigang GP IEEE TI Ultrafast Conductivity Study of Dirac Surface States via THz Pump and THz Probe Spectroscopy SO 2016 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO) SE Conference on Lasers and Electro-Optics LA English DT Proceedings Paper CT Conference on Lasers and Electro-Optics (CLEO) CY JUN 05-10, 2016 CL San Jose, CA AB Intense THz excitation in topological insulator Bi2Se3 induces negative low-frequency conductivity and energy-dependent relaxation dynamics, different from high-energy pumping, which allows us to isolate intrinsic quasi-particle scattering dynamics inside the surface states. C1 [Yang, Xu; Luo, Liang; Wang, Jigang] Iowa State Univ, US DOE, Dept Phys & Astron, Ames, IA 50011 USA. [Yang, Xu; Luo, Liang; Wang, Jigang] Iowa State Univ, US DOE, Ames Lab, Ames, IA 50011 USA. [Liu, Xinyu; Furdyna, Jacek] Univ Notre Dame, Dept Phys, Notre Dame, IN 46556 USA. RP Yang, X (reprint author), Iowa State Univ, US DOE, Dept Phys & Astron, Ames, IA 50011 USA.; Yang, X (reprint author), Iowa State Univ, US DOE, Ames Lab, Ames, IA 50011 USA. NR 5 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 2160-9020 BN 978-1-9435-8011-8 J9 CONF LASER ELECTR PY 2016 PG 2 WC Engineering, Electrical & Electronic; Optics; Physics, Applied SC Engineering; Optics; Physics GA BG7HE UT WOS:000391286401071 ER PT S AU Yang, Y Burghoff, D Reno, J Hu, Q AF Yang, Yang Burghoff, David Reno, John Hu, Qing GP IEEE TI Computationally-assisted THz dual-comb spectroscopy using quantum cascade laser frequency combs SO 2016 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO) SE Conference on Lasers and Electro-Optics LA English DT Proceedings Paper CT Conference on Lasers and Electro-Optics (CLEO) CY JUN 05-10, 2016 CL San Jose, CA AB Utilizing the Kalman filter-based averaging scheme, we demonstrated THz dual-comb spectroscopy covering 282 GHz at similar to 2.8 THz with unstabilized quantum cascade laser frequency combs. The peak signal-to-noise ratio(SNR) is 60 dB within 100 us averaging. C1 [Yang, Yang; Burghoff, David; Hu, Qing] MIT, Dept Elect Engn & Comp Sci, Elect Res Lab, Cambridge, MA 02139 USA. [Reno, John] Sandia Natl Labs, Ctr Integrated Nanotechnol, Albuquerque, NM 87123 USA. RP Yang, Y (reprint author), MIT, Dept Elect Engn & Comp Sci, Elect Res Lab, Cambridge, MA 02139 USA. EM yang_y@mit.edu NR 5 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 2160-9020 BN 978-1-9435-8011-8 J9 CONF LASER ELECTR PY 2016 PG 2 WC Engineering, Electrical & Electronic; Optics; Physics, Applied SC Engineering; Optics; Physics GA BG7HE UT WOS:000391286402282 ER PT S AU Yang, YM Natarajan, K Campione, S Liu, S Reno, J Prasankumar, RP Brener, I AF Yang, Yuanmu Natarajan, Kamaraju Campione, Salvatore Liu, Sheng Reno, John Prasankumar, Rohit P. Brener, Igal GP IEEE TI Ultrafast Dynamics of Epsilon-Near-Zero Modes in GaAs at Terahertz Frequencies SO 2016 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO) SE Conference on Lasers and Electro-Optics LA English DT Proceedings Paper CT Conference on Lasers and Electro-Optics (CLEO) CY JUN 05-10, 2016 CL San Jose, CA AB We experimentally demonstrated an epsilon-near-zero (ENZ) mode in an n-doped GaAs layer at 0.8 THz and study its ultrafast dynamics using optical pump terahertz probe spectroscopy. Notable plasmon damping was observed upon optical pumping. (C) 2016 Optical Society of America C1 [Yang, Yuanmu; Campione, Salvatore; Liu, Sheng; Reno, John; Brener, Igal] Sandia Natl Labs, Albuquerque, NM 87185 USA. [Yang, Yuanmu; Campione, Salvatore; Liu, Sheng; Reno, John; Brener, Igal] Sandia Natl Labs, Ctr Integrat Nanotechnol CINT, Albuquerque, NM 87185 USA. [Natarajan, Kamaraju; Prasankumar, Rohit P.] Los Alamos Natl Lab, Ctr Integrat Nanotechnol, Los Alamos, NM 87545 USA. RP Yang, YM (reprint author), Sandia Natl Labs, Albuquerque, NM 87185 USA.; Yang, YM (reprint author), Sandia Natl Labs, Ctr Integrat Nanotechnol CINT, Albuquerque, NM 87185 USA. EM yuayang@sandia.gov NR 6 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 2160-9020 BN 978-1-9435-8011-8 J9 CONF LASER ELECTR PY 2016 PG 2 WC Engineering, Electrical & Electronic; Optics; Physics, Applied SC Engineering; Optics; Physics GA BG7HE UT WOS:000391286400484 ER PT S AU Yang, Z Albrecht, AR Cederberg, JG Sheik-Bahae, M AF Yang, Zhou Albrecht, Alexander R. Cederberg, Jeffrey G. Sheik-Bahae, Mansoor GP IEEE TI 80 nm tunable semiconductor disk lasers in DBR-free geometry SO 2016 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO) SE Conference on Lasers and Electro-Optics LA English DT Proceedings Paper CT Conference on Lasers and Electro-Optics (CLEO) CY JUN 05-10, 2016 CL San Jose, CA AB We report an 80 nm tunable DBR-free semiconductor disk laser with 6 W CW output power. We attributed such wide tunability to the broad effective gain bandwidth allowed by the DBR-free geometry. C1 [Yang, Zhou; Albrecht, Alexander R.; Sheik-Bahae, Mansoor] Univ New Mexico, Dept Phys & Astron, Albuquerque, NM 87131 USA. [Cederberg, Jeffrey G.] Sandia Natl Labs, POB 5800, Albuquerque, NM 87185 USA. MIT Lincoln Lab, Lexington, MA 02420 USA. RP Sheik-Bahae, M (reprint author), Univ New Mexico, Dept Phys & Astron, Albuquerque, NM 87131 USA. EM msb@unm.edu NR 9 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 2160-9020 BN 978-1-9435-8011-8 J9 CONF LASER ELECTR PY 2016 PG 2 WC Engineering, Electrical & Electronic; Optics; Physics, Applied SC Engineering; Optics; Physics GA BG7HE UT WOS:000391286404004 ER PT S AU Zhang, Q Lou, MH Li, XW Reno, JL Pan, W Watson, JD Manfra, MJ Kono, J AF Zhang, Qi Lou, Minhan Li, Xinwei Reno, John L. Pan, Wei Watson, John D. Manfra, Michael J. Kono, Junichiro GP IEEE TI Collective, Coherent, and Ultrastrong Coupling of 2D Electrons with Terahertz Cavity Photons SO 2016 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO) SE Conference on Lasers and Electro-Optics LA English DT Proceedings Paper CT Conference on Lasers and Electro-Optics (CLEO) CY JUN 05-10, 2016 CL San Jose, CA AB We have achieved collective ultrastrong light-matter coupling with long coherence times in an ultrahigh-mobility two-dimensional electron gas in a high-Q terahertz photonic-crystal cavity in a quantizing magnetic field. C1 [Zhang, Qi; Lou, Minhan; Li, Xinwei; Kono, Junichiro] Rice Univ, Dept Elect & Comp Engn, Houston, TX 77005 USA. [Reno, John L.; Pan, Wei] Sandia Natl Labs, POB 5800, Albuquerque, NM 87185 USA. [Watson, John D.; Manfra, Michael J.] Purdue Univ, Microsoft Stn Purdue Q, Dept Phys & Astron, W Lafayette, IN 47907 USA. [Watson, John D.; Manfra, Michael J.] Purdue Univ, Birck Nanotechnol Ctr, W Lafayette, IN 47907 USA. [Kono, Junichiro] Rice Univ, Dept Mat Sci & Nano Engn, Houston, TX 77005 USA. [Kono, Junichiro] Rice Univ, Dept Phys & Astron, Houston, TX 77005 USA. RP Zhang, Q (reprint author), Rice Univ, Dept Elect & Comp Engn, Houston, TX 77005 USA. NR 5 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 2160-9020 BN 978-1-9435-8011-8 J9 CONF LASER ELECTR PY 2016 PG 2 WC Engineering, Electrical & Electronic; Optics; Physics, Applied SC Engineering; Optics; Physics GA BG7HE UT WOS:000391286401073 ER PT S AU Zhang, YY Husko, C Lefrancois, S Schroder, J Eggleton, BJ AF Zhang, Yanbing Young Husko, Chad Lefrancois, Simon Schroder, Jochen Eggleton, Benjamin J. GP IEEE TI Phase-Sensitive Amplification in Silicon and Chalcogenide Waveguides SO 2016 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO) SE Conference on Lasers and Electro-Optics LA English DT Proceedings Paper CT Conference on Lasers and Electro-Optics (CLEO) CY JUN 05-10, 2016 CL San Jose, CA ID 2-PHOTON ABSORPTION; PHOTONIC CHIP; AMPLIFIERS; NOISE; LIGHT; FIBER AB We review the progress in integrated phase-sensitive amplification (PSA) in Kerr media and present our results in silicon and chalcogenide waveguides. C1 [Zhang, Yanbing Young; Husko, Chad; Lefrancois, Simon; Eggleton, Benjamin J.] Univ Sydney, Sch Phys, Inst Photon & Opt Sci, Ctr Ultrahigh Bandwidth Devices Opt Syst CUDOS, Sydney, NSW 2006, Australia. [Husko, Chad] Argonne Natl Lab, Ctr Nanoscale Mat, 9700 S Cass Ave, Argonne, IL 60439 USA. [Schroder, Jochen] RMIT, Sch Elect & Comp Engn, Melbourne, Vic 3000, Australia. RP Zhang, YY (reprint author), Univ Sydney, Sch Phys, Inst Photon & Opt Sci, Ctr Ultrahigh Bandwidth Devices Opt Syst CUDOS, Sydney, NSW 2006, Australia. EM y.zhang@physics.usyd.edu.au NR 17 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 2160-9020 BN 978-1-9435-8011-8 J9 CONF LASER ELECTR PY 2016 PG 2 WC Engineering, Electrical & Electronic; Optics; Physics, Applied SC Engineering; Optics; Physics GA BG7HE UT WOS:000391286403166 ER PT S AU Zheng, JB Trusheim, ME Schroder, T Walsh, M Stavrakas, C Pingault, B Gundogan, M Hepp, C Pacheco, JL Bielejec, E Atature, M Englund, D AF Zheng, Jiabao Trusheim, Matthew E. Schroder, Tim Walsh, Michael Stavrakas, Camille Pingault, Benjamin Gundogan, Mustafa Hepp, Christian Pacheco, Jose L. Bielejec, Edward Atature, Mete Englund, Dirk GP IEEE TI Circular Gratings for Efficient Collection from Implanted Silicon Vacancy Centers in Diamond SO 2016 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO) SE Conference on Lasers and Electro-Optics LA English DT Proceedings Paper CT Conference on Lasers and Electro-Optics (CLEO) CY JUN 05-10, 2016 CL San Jose, CA AB We report a chirped circular nanograting in bulk diamond coupled with implanted silicon-vacancy centers. From simulations we determine 41% low-numerical-aperture collection efficiency, and an expected and measured directionality of similar to 30 and similar to 5 respectively. (C) 2016 Optical Society of America C1 [Zheng, Jiabao] Columbia Univ, Dept Elect Engn, New York, NY 10027 USA. [Zheng, Jiabao; Trusheim, Matthew E.; Schroder, Tim; Walsh, Michael; Englund, Dirk] MIT, Dept Elect Engn & Comp Sci, Cambridge, MA 02139 USA. [Stavrakas, Camille; Pingault, Benjamin; Gundogan, Mustafa; Hepp, Christian; Atature, Mete] Univ Cambridge, Cavendish Lab, JJ Thomson Ave, Cambridge CB3 0HE, England. [Pacheco, Jose L.; Bielejec, Edward] Sandia Natl Labs, 1515 Eubank SE, Albuquerque, NM 87123 USA. RP Zheng, JB (reprint author), Columbia Univ, Dept Elect Engn, New York, NY 10027 USA.; Zheng, JB (reprint author), MIT, Dept Elect Engn & Comp Sci, Cambridge, MA 02139 USA. EM jz2466@columbia.edu NR 5 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 2160-9020 BN 978-1-9435-8011-8 J9 CONF LASER ELECTR PY 2016 PG 2 WC Engineering, Electrical & Electronic; Optics; Physics, Applied SC Engineering; Optics; Physics GA BG7HE UT WOS:000391286401062 ER PT S AU Zhu, Y Cai, ZH Chen, P Zhang, QT Highland, MJ Jung, IW Walko, DA Dufresne, EM Jeong, J Samant, MG Parkins, SSP Freeland, JW Evans, PG Wen, HD AF Zhu, Yi Cai, Zhonghou Chen, Pice Zhang, Qingteng Highland, Matthew J. Jung, Il Woong Walko, Donald A. Dufresne, Eric M. Jeong, Jaewoo Samant, Mahesh G. Parkins, Stuart S. P. Freeland, John W. Evans, Paul G. Wen, Haidan GP IEEE TI Structural phase progression in photo-excited VO2 SO 2016 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO) SE Conference on Lasers and Electro-Optics LA English DT Proceedings Paper CT Conference on Lasers and Electro-Optics (CLEO) CY JUN 05-10, 2016 CL San Jose, CA ID METAL-INSULATOR TRANSITIONS; ELECTRON-DIFFRACTION AB We reveal inhomogeneous structural phase transformation in photo-excited VO2 thin films by time-resolved x-ray diffraction microscopy. The in-plane plane phase progression is a result of displacive lattice transformation rather than driven by thermal transport. C1 [Zhu, Yi; Cai, Zhonghou; Walko, Donald A.; Dufresne, Eric M.; Freeland, John W.; Wen, Haidan] Argonne Natl Lab, Adv Photon Source, Argonne, IL 60439 USA. [Chen, Pice; Zhang, Qingteng; Evans, Paul G.] Univ Wisconsin, Dept Mat Sci & Engn, Madison, WI 53706 USA. [Highland, Matthew J.] Argonne Natl Lab, Div Sci Mat, Argonne, IL 60439 USA. [Jung, Il Woong] Argonne Natl Lab, Ctr Nanoscate Mat, Argonne, IL 60439 USA. [Jeong, Jaewoo; Samant, Mahesh G.; Parkins, Stuart S. P.] IBM Corp, Almaden Res Ctr, San Jose, CA 95120 USA. [Parkins, Stuart S. P.] Max Planck Inst Microstruct Phys, D-06120 Halle, Germany. RP Wen, HD (reprint author), Argonne Natl Lab, Adv Photon Source, Argonne, IL 60439 USA. EM wen@aps.anl.gov NR 9 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 2160-9020 BN 978-1-9435-8011-8 J9 CONF LASER ELECTR PY 2016 PG 2 WC Engineering, Electrical & Electronic; Optics; Physics, Applied SC Engineering; Optics; Physics GA BG7HE UT WOS:000391286401029 ER PT J AU Matthews, C Flicker, J Kaplar, R van Heukelom, M Attcity, S Kizilyalli, IC Aktas, O AF Matthews, C. Flicker, J. Kaplar, R. van Heukelom, M. Attcity, S. Kizilyalli, I. C. Aktas, O. GP IEEE TI Switching Characterization of Vertical GaN PiN Diodes SO 2016 IEEE 4TH WORKSHOP ON WIDE BANDGAP POWER DEVICES AND APPLICATIONS (WIPDA) LA English DT Proceedings Paper CT 4th IEEE Workshop on Wide Bandgap Power Devices and Applications (WiPDA) CY NOV 07-09, 2016 CL Fayetteville, AR SP IEEE, IEEE Power Elect Soc, IEEE Electron Devices Soc, Power Sources Manufacturers Assoc, Univ Arkansas DE Gallium Nitride; power diode; switching characterization; v-GaN; wide bandgap; reverse recovery ID BULK-GAN; REVERSE RECOVERY AB The switching characteristics of vertical Gallium Nitride (v-GaN) diodes grown on GaN substrates are reported. v-GaN diodes were tested in a Double-Pulse Test Circuit (DPTC) and compared to test results for SiC Schottky Barrier Diodes (SBDs) and Si PiN diodes. The reported switching characteristics show that GaN diodes, like SiC SBDs, exhibit nearly negligible reverse recovery current compared to traditional Si PiN diodes. The reverse recovery for the v-GaN PiN diodes is limited by parasitics in the DPTC, precluding extraction of a meaningful recovery time. These results are very encouraging for power electronics based on v-GaN and demonstrate the potential for very fast, low-loss switching for these devices. C1 [Matthews, C.; Flicker, J.; Kaplar, R.; van Heukelom, M.; Attcity, S.] Sandia Natl Labs, POB 5800, Albuquerque, NM 87185 USA. [Kizilyalli, I. C.; Aktas, O.] Avogy Inc, San Jose, CA USA. [Kizilyalli, I. C.] ARPA E, Washington, DC USA. [Aktas, O.] Quora Technol, Santa Clara, CA USA. RP Matthews, C (reprint author), Sandia Natl Labs, POB 5800, Albuquerque, NM 87185 USA. EM chrmatt@sandia.gov FU ARPA-E SWITCHES program; DOE Office of Electricity Energy Storage Program; [DE-AC04-94AL85000] FX The work at Avogy was supported by the ARPA-E SWITCHES program managed by Dr. Tim Heidel, and the work at Sandia National Laboratories was supported by the DOE Office of Electricity Energy Storage Program managed by Dr. Imre Gyuk. Sandia is a multi-program laboratory operated by Sandia Corporation, a Lockheed Martin company, for the U.S. Department of Energy's National Nuclear Security Administration under contract DE-AC04-94AL85000. The authors thank Dr. Ranbir Singh of GeneSiC Semiconductor Inc. for helpful discussions related to the double-pulse test circuit and SJT. NR 20 TC 0 Z9 0 U1 1 U2 1 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA BN 978-1-5090-1576-4 PY 2016 BP 135 EP 138 PG 4 WC Engineering, Electrical & Electronic SC Engineering GA BG7ZJ UT WOS:000392116100025 ER PT J AU Flicker, J Brocato, R Delhotal, J Neely, J Sumner, B Dickerson, J Kaplar, R AF Flicker, Jack Brocato, Robert Delhotal, Jarod Neely, Jason Sumner, Bjorn Dickerson, Jeramy Kaplar, Robert GP IEEE TI Module-Level Paralleling of Vertical GaN PiN Diodes SO 2016 IEEE 4TH WORKSHOP ON WIDE BANDGAP POWER DEVICES AND APPLICATIONS (WIPDA) LA English DT Proceedings Paper CT 4th IEEE Workshop on Wide Bandgap Power Devices and Applications (WiPDA) CY NOV 07-09, 2016 CL Fayetteville, AR SP IEEE, IEEE Power Elect Soc, IEEE Electron Devices Soc, Power Sources Manufacturers Assoc, Univ Arkansas DE vertical GaN; paralleling; power conversion; SPICE; parasitics AB The effects of paralleling low-current vertical Gallium Nitride (v-GaN) diodes in a custom power module are reported. Four paralleled v-GaN diodes were demonstrated to operate in a buck converter at 1.3 A(peak) (792 mA(rms)) at 240 V and 15 kHz switching frequency. Additionally, high-fidelity SPICE simulations demonstrate the effects of device parameter variation on power sharing in a power module. The device parameters studied were found to have a sub-linear relationship with power sharing, indicating a relaxed need to bin parts for paralleling. This result is very encouraging for power electronics based on low-current v-GaN and demonstrates its potential for use in high-power systems. C1 [Flicker, Jack; Brocato, Robert; Delhotal, Jarod; Neely, Jason; Sumner, Bjorn; Dickerson, Jeramy; Kaplar, Robert] Sandia Natl Labs, POB 5800, Albuquerque, NM 87185 USA. RP Flicker, J (reprint author), Sandia Natl Labs, POB 5800, Albuquerque, NM 87185 USA. EM jdflick@sandia.gov NR 9 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA BN 978-1-5090-1576-4 PY 2016 BP 139 EP 142 PG 4 WC Engineering, Electrical & Electronic SC Engineering GA BG7ZJ UT WOS:000392116100026 ER PT J AU Armstrong, KO Das, S Cresko, J AF Armstrong, Kristina O. Das, Sujit Cresko, Joe GP IEEE TI Wide Bandgap Semiconductor Opportunities in Power Electronics SO 2016 IEEE 4TH WORKSHOP ON WIDE BANDGAP POWER DEVICES AND APPLICATIONS (WIPDA) LA English DT Proceedings Paper CT 4th IEEE Workshop on Wide Bandgap Power Devices and Applications (WiPDA) CY NOV 07-09, 2016 CL Fayetteville, AR SP IEEE, IEEE Power Elect Soc, IEEE Electron Devices Soc, Power Sources Manufacturers Assoc, Univ Arkansas DE Wide bandgap semiconductors; SWOT Analysis; energy savings potential AB Wide bandgap (WBG) power electronics is a very small segment of power electronics market (1%) and about 0.05% of the total semiconductor market today. The U.S. has a strong foothold in both the silicon carbide (SiC) and gallium nitride (GaN) markets today, but there exists an increasing competition from Europe, Japan, and China. This work presents market, value chain and energy savings potential analyses for several major application areas: data centers (uninterruptable power supplies (UPS) and server power supply units (PSU), renewable power generation (Photovoltaic (PV)-solar and wind), motor drives, rail traction, and hybrid/electric vehicles. These application areas hold great opportunities for WBG, stemming from increased government efficiency standards and promoting of alternative energy generation and an existing strong supply chain. Major threats to U.S. WBG integration stem from the loss of government assistance, alternative energy saving technologies, and an increasing threat of foreign manufacturers. C1 [Armstrong, Kristina O.; Das, Sujit] Oak Ridge Natl Lab, Natl Transportat Res Ctr, Knoxville, TN 37932 USA. [Cresko, Joe] US DOE, Adv Mfg Off, Washington, DC 20585 USA. RP Armstrong, KO (reprint author), Oak Ridge Natl Lab, Natl Transportat Res Ctr, Knoxville, TN 37932 USA. EM armstrongko@ornl.gov; dass@ornl.gov; joe.cresko@ee.doe.gov FU U.S. Department of Energy; Office of Energy Efficiency and Renewable Energy; Advanced Manufacturing Office FX Research sponsored by the U.S. Department of Energy, Office of Energy Efficiency and Renewable Energy, Advanced Manufacturing Office NR 44 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA BN 978-1-5090-1576-4 PY 2016 BP 259 EP 264 PG 6 WC Engineering, Electrical & Electronic SC Engineering GA BG7ZJ UT WOS:000392116100050 ER PT S AU Fifield, LS Liu, SS Bowler, N AF Fifield, Leonard S. Liu, Shuaishuai Bowler, Nicola GP IEEE TI Simultaneous Thermal and Gamma Radiation Aging of Cable Polymers SO 2016 IEEE CONFERENCE ON ELECTRICAL INSULATION AND DIELECTRIC PHENOMENA (IEEE CEIDP) SE Conference on Electrical Insulation and Dielectric Phenomena Annual Report LA English DT Proceedings Paper CT IEEE Conference on Electrical Insulation and Dielectric Phenomena (IEEE CEIDP) CY OCT 16-19, 2016 CL Toronto, CANADA SP IEEE, IEEE Dielectr & Elect Insulat Soc AB Electrical cable systems in nuclear power plants may be exposed to environmental stresses including elevated temperatures and gamma radiation. Over time this exposure can lead to degradation of cable insulation and jacketing. Prediction of long-term cable material performance has been based on results of short-term accelerated laboratory aging studies, but questions remain regarding the correlation of accelerated aging to long-term, in-plant aging. This work seeks to increase understanding of the combined effects of heat and radiation on cable polymer material aging toward addressing these questions. C1 [Fifield, Leonard S.] Pacific Northwest Natl Lab, Richland, WA 99354 USA. [Liu, Shuaishuai; Bowler, Nicola] Iowa State Univ, Ames, IA 50011 USA. RP Fifield, LS (reprint author), Pacific Northwest Natl Lab, Richland, WA 99354 USA. EM leo.fifield@pnnl.gov NR 7 TC 0 Z9 0 U1 1 U2 1 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 0084-9162 BN 978-1-5090-4654-6 J9 C ELECT INSUL DIEL P PY 2016 BP 11 EP 14 PG 4 WC Engineering, Electrical & Electronic SC Engineering GA BG7QR UT WOS:000391639700002 ER PT S AU Appelhans, LN Keicher, DM Lavin, JM AF Appelhans, L. N. Keicher, D. M. Lavin, J. M. GP IEEE TI Comparison of Dielectric Properties of Additively Manufactured vs. Solvent Cast Polyimide Dielectrics SO 2016 IEEE CONFERENCE ON ELECTRICAL INSULATION AND DIELECTRIC PHENOMENA (IEEE CEIDP) SE Conference on Electrical Insulation and Dielectric Phenomena Annual Report LA English DT Proceedings Paper CT IEEE Conference on Electrical Insulation and Dielectric Phenomena (IEEE CEIDP) CY OCT 16-19, 2016 CL Toronto, CANADA SP IEEE, IEEE Dielectr & Elect Insulat Soc AB The permittivity, dielectric loss, and DC dielectric breakdown strength of additively manufactured, solvent-cast, and commercial polyimide films are reported. As expected, commercial films performed better than both AM and solvent-cast lab-made films. Solvent-cast films generally performed better than AM films, although performance depended on the optimization of the material for the specific deposition technique. The most significant degradation of performance in all the lab-made films was in the dispersion of both kappa/Df measurements and the dielectric breakdown strength (Weibull beta). Commercial films had a breakdown strength of 4891 kV/cm and beta = 13.0 whereas the highest performing lab-made films had a breakdown strength of 4072 kV/cm and beta = 3.8. This increase in dispersion in all the lab-made samples is attributed to higher variability in the preparation, a higher defect level related to fabrication in the lab environment and, for some AM samples, to morphology/topology features resulting from the deposition technique. C1 [Appelhans, L. N.; Keicher, D. M.; Lavin, J. M.] Sandia Natl Labs, 1515 Eubank SE, Albuquerque, NM 87123 USA. RP Appelhans, LN (reprint author), Sandia Natl Labs, 1515 Eubank SE, Albuquerque, NM 87123 USA. EM lappelh@sandia.gov NR 3 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 0084-9162 BN 978-1-5090-4654-6 J9 C ELECT INSUL DIEL P PY 2016 BP 62 EP 65 PG 4 WC Engineering, Electrical & Electronic SC Engineering GA BG7QR UT WOS:000391639700012 ER PT S AU Liu, SS Fifield, LS Bowler, N AF Liu, Shuaishuai Fifield, Leonard S. Bowler, Nicola GP IEEE TI Towards Aging Mechanisms of Cross-linked Polyethylene (XLPE) Cable Insulation Materials in Nuclear Power Plants SO 2016 IEEE CONFERENCE ON ELECTRICAL INSULATION AND DIELECTRIC PHENOMENA (IEEE CEIDP) SE Conference on Electrical Insulation and Dielectric Phenomena Annual Report LA English DT Proceedings Paper CT IEEE Conference on Electrical Insulation and Dielectric Phenomena (IEEE CEIDP) CY OCT 16-19, 2016 CL Toronto, CANADA SP IEEE, IEEE Dielectr & Elect Insulat Soc AB Cross-linked polyethylene (XLPE) cable insulation material undergoes simultaneous, accelerated thermal and Drain wire Grey XLPE Insulator gamma-radiation aging to simulate the long-term aging environment within nuclear power plants (NPPs). A variety of materials characterization tests, including scanning electron microscopy, thermo-gravimetric analysis, differential scanning calorimetry, oxidation induction time, gel-fraction and dielectric White XLPE insulator properties measurement, are conducted on pristine and differently aged XLPE samples. A preliminary model of one possible aging Conductor mechanism of XLPE cable insulation material under gamma radiation at elevated temperature of 115 degrees C is suggested. C1 [Liu, Shuaishuai; Bowler, Nicola] Iowa State Univ, Ames, IA 50011 USA. [Fifield, Leonard S.] Pacific Northwest Natl Lab, Richland, WA 99352 USA. RP Bowler, N (reprint author), Iowa State Univ, Ames, IA 50011 USA. EM sliu1@iastate.edu; leo.fifield@pnnl.gov; nbowler@iastate.edu NR 8 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 0084-9162 BN 978-1-5090-4654-6 J9 C ELECT INSUL DIEL P PY 2016 BP 935 EP 938 PG 4 WC Engineering, Electrical & Electronic SC Engineering GA BG7QR UT WOS:000391639700188 ER PT S AU Haidar, A Brock, B Tomov, S Guidry, M Billings, JJ Shyles, D Dongarra, J AF Haidar, Azzam Brock, Benjamin Tomov, Stanimire Guidry, Michael Billings, Jay Jay Shyles, Daniel Dongarra, Jack GP IEEE TI Performance Analysis and Acceleration of Explicit Integration for Large Kinetic Networks using Batched GPU Computations SO 2016 IEEE HIGH PERFORMANCE EXTREME COMPUTING CONFERENCE (HPEC) SE IEEE High Performance Extreme Computing Conference LA English DT Proceedings Paper CT IEEE High Performance Extreme Computing Conference (HPEC) CY SEP 13-15, 2016 CL Waltham, MA SP IEEE AB We demonstrate the systematic implementation of recently-developed fast explicit kinetic integration algorithms that solve efficiently N coupled ordinary differential equations (subject to initial conditions) on modern GPUs. We take representative test cases (Type Ia supernova explosions) and demonstrate two or more orders of magnitude increase in efficiency for solving such systems (of realistic thermonuclear networks coupled to fluid dynamics). This implies that important coupled, multiphysics problems in various scientific and technical disciplines that were intractable, or could be simulated only with highly schematic kinetic networks, are now computationally feasible. As examples of such applications we present the computational techniques developed for our ongoing deployment of these new methods on modern GPU accelerators. We show that similarly to many other scientific applications, ranging from national security to medical advances, the computation can be split into many independent computational tasks, each of relatively small-size. As the size of each individual task does not provide sufficient parallelism for the underlying hardware, especially for accelerators, these tasks must be computed concurrently as a single routine, that we call batched routine, in order to saturate the hardware with enough work. C1 [Haidar, Azzam; Brock, Benjamin; Tomov, Stanimire; Guidry, Michael; Billings, Jay Jay; Shyles, Daniel; Dongarra, Jack] Univ Tennessee, Knoxville, TN 37996 USA. [Brock, Benjamin; Guidry, Michael; Billings, Jay Jay; Dongarra, Jack] Oak Ridge Natl Lab, Oak Ridge, TN USA. [Dongarra, Jack] Univ Manchester, Manchester, Lancs, England. RP Haidar, A (reprint author), Univ Tennessee, Knoxville, TN 37996 USA. NR 20 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 2377-6943 BN 978-1-5090-3525-0 J9 IEEE HIGH PERF EXTR PY 2016 PG 6 WC Computer Science, Hardware & Architecture; Computer Science, Theory & Methods; Engineering, Electrical & Electronic SC Computer Science; Engineering GA BG7KD UT WOS:000391407100029 ER PT S AU Haidar, A Tomov, S Arturov, K Guney, M Story, S Dongarra, J AF Haidar, Azzam Tomov, Stanimire Arturov, Konstantin Guney, Murat Story, Shane Dongarra, Jack GP IEEE TI LU, QR, and Cholesky Factorizations: Programming Model, Performance Analysis and Optimization Techniques for the Intel Knights Landing Xeon Phi SO 2016 IEEE HIGH PERFORMANCE EXTREME COMPUTING CONFERENCE (HPEC) SE IEEE High Performance Extreme Computing Conference LA English DT Proceedings Paper CT IEEE High Performance Extreme Computing Conference (HPEC) CY SEP 13-15, 2016 CL Waltham, MA SP IEEE AB A wide variety of heterogeneous compute resources, ranging from multicore CPUs to GPUs and coprocessors, are available to modern computers, making it challenging to design unified numerical libraries that efficiently and productively use all these varied resources. For example, in order to efficiently use Intel's Knights Landing (KNL) processor, the next-generation of Xeon Phi architectures, one must design and schedule an application in multiple degrees of parallelism and task grain sizes in order to obtain efficient performance. We propose a productive and portable programming model that allows us to write a serial-looking code, which, however, achieves parallelism and scalability by using a lightweight runtime environment to manage the resource-specific workload, and to control the dataflow and the parallel execution. This is done through multiple techniques ranging from multi-level data partitioning to adaptive task grain sizes, and dynamic task scheduling. In addition, our task abstractions enable unified algorithmic development across all the heterogeneous resources. Finally, we outline the strengths and the effectiveness of this approach - especially in regards to hardware trends and ease of programming high-performance numerical software that current applications need - in order to motivate current work and future directions for the next generation of parallel programming models for high-performance linear algebra libraries on heterogeneous systems. C1 [Haidar, Azzam; Tomov, Stanimire; Dongarra, Jack] Univ Tennessee, Knoxville, TN 37916 USA. [Arturov, Konstantin] Intel Corp, Novosibirsk, Russia. [Guney, Murat; Story, Shane] Intel Corp, Hillsboro, OR 97124 USA. [Dongarra, Jack] Oak Ridge Natl Lab, Oak Ridge, TN USA. [Dongarra, Jack] Univ Manchester, Manchester M13 9PL, Lancs, England. RP Haidar, A (reprint author), Univ Tennessee, Knoxville, TN 37916 USA. NR 23 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 2377-6943 BN 978-1-5090-3525-0 J9 IEEE HIGH PERF EXTR PY 2016 PG 7 WC Computer Science, Hardware & Architecture; Computer Science, Theory & Methods; Engineering, Electrical & Electronic SC Computer Science; Engineering GA BG7KD UT WOS:000391407100015 ER PT S AU Hukerikar, S Engelmann, C AF Hukerikar, Saurabh Engelmann, Christian GP IEEE TI Havens: Explicit Reliable Memory Regions for HPC Applications SO 2016 IEEE HIGH PERFORMANCE EXTREME COMPUTING CONFERENCE (HPEC) SE IEEE High Performance Extreme Computing Conference LA English DT Proceedings Paper CT IEEE High Performance Extreme Computing Conference (HPEC) CY SEP 13-15, 2016 CL Waltham, MA SP IEEE AB Supporting error resilience in future exascale-class supercomputing systems is a critical challenge. Due to transistor scaling trends and increasing memory density, scientific simulations are expected to experience more interruptions caused by transient errors in the system memory. Existing hardware-based detection and recovery techniques will be inadequate to manage the presence of high memory fault rates. In this paper we propose a partial memory protection scheme based on region-based memory management. We define the concept of regions called havens that provide fault protection for program objects. We provide reliability for the regions through a software-based parity protection mechanism. Our approach enables critical program objects to be placed in these havens. The fault coverage provided by our approach is application agnostic, unlike algorithm-based fault tolerance techniques. C1 [Hukerikar, Saurabh; Engelmann, Christian] Oak Ridge Natl Lab, Div Math & Comp Sci, Oak Ridge, TN 37831 USA. RP Hukerikar, S (reprint author), Oak Ridge Natl Lab, Div Math & Comp Sci, Oak Ridge, TN 37831 USA. EM hukerikarsr@ornl.gov; engelmannc@ornl.gov NR 21 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 2377-6943 BN 978-1-5090-3525-0 J9 IEEE HIGH PERF EXTR PY 2016 PG 6 WC Computer Science, Hardware & Architecture; Computer Science, Theory & Methods; Engineering, Electrical & Electronic SC Computer Science; Engineering GA BG7KD UT WOS:000391407100017 ER PT S AU Humble, TS Britt, KA AF Humble, Travis S. Britt, Keith A. GP IEEE TI Software Systems for High-performance Quantum Computing SO 2016 IEEE HIGH PERFORMANCE EXTREME COMPUTING CONFERENCE (HPEC) SE IEEE High Performance Extreme Computing Conference LA English DT Proceedings Paper CT IEEE High Performance Extreme Computing Conference (HPEC) CY SEP 13-15, 2016 CL Waltham, MA SP IEEE ID ALGORITHMS; SIMULATION AB Quantum computing promises new opportunities for solving hard computational problems, but harnessing this novelty requires breakthrough concepts in the design, operation, and application of computing systems. We define some of the challenges facing the development of quantum computing systems as well as software-based approaches that can be used to overcome these challenges. Following a brief overview of the state of the art, we present models for the quantum programming and execution models, the development of architectures for hybrid high-performance computing systems, and the realization of software stacks for quantum networking. This leads to a discussion of the role that conventional computing plays in the quantum paradigm and how some of the current challenges for exascale computing overlap with those facing quantum computing. C1 [Humble, Travis S.; Britt, Keith A.] Oak Ridge Natl Lab, Quantum Comp Inst, Oak Ridge, TN 37831 USA. RP Humble, TS (reprint author), Oak Ridge Natl Lab, Quantum Comp Inst, Oak Ridge, TN 37831 USA. EM humblets@ornl.gov; brittka@ornl.gov NR 37 TC 0 Z9 0 U1 1 U2 1 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 2377-6943 BN 978-1-5090-3525-0 J9 IEEE HIGH PERF EXTR PY 2016 PG 8 WC Computer Science, Hardware & Architecture; Computer Science, Theory & Methods; Engineering, Electrical & Electronic SC Computer Science; Engineering GA BG7KD UT WOS:000391407100052 ER PT S AU Kepner, J Aaltonen, P Bader, D Buluc, A Franchetti, F Gilbert, J Hutchison, D Kumar, M Lumsdaine, A Meyerhenke, H McMillan, S Moreira, J Owens, JD Yang, C Zalewski, M Mattson, T AF Kepner, Jeremy Aaltonen, Peter Bader, David Buluc, Aydin Franchetti, Franz Gilbert, John Hutchison, Dylan Kumar, Manoj Lumsdaine, Andrew Meyerhenke, Henning McMillan, Scott Moreira, Jose Owens, John D. Yang, Carl Zalewski, Marcin Mattson, Timothy GP IEEE TI Mathematical Foundations of the GraphBLAS SO 2016 IEEE HIGH PERFORMANCE EXTREME COMPUTING CONFERENCE (HPEC) SE IEEE High Performance Extreme Computing Conference LA English DT Proceedings Paper CT IEEE High Performance Extreme Computing Conference (HPEC) CY SEP 13-15, 2016 CL Waltham, MA SP IEEE AB The GraphBLAS standard (GraphBlas.org) is being developed to bring the potential of matrix-based graph algorithms to the broadest possible audience. Mathematically, the GraphBLAS defines a core set of matrix-based graph operations that can be used to implement a wide dass of graph algorithms in a wide range of programming environments. This paper provides an introduction to the mathematics of the GraphBLAS. Graphs represent connections between vertices with edges. Matrices can represent a wide range of graphs using adjacency matrices or incidence matrices. Adjacency matrices are often easier to analyze while incidence matrices are orten beUer for representing data. Fortunately, the two are easily connected by matrix multiplication. A key feature of matrix mathematics is that a very small number of matrix operations can be used to manipulate a very wide range of graphs. This composability of a small number of operations is the foundation of the GraphBLAS. A standard such as the GraphBLAS can only be efTective if it has low performance overhead. Performance measurements of prototype GraphBLAS implementations indicate that the overhead is low. C1 [Kepner, Jeremy] MIT, Supercomp Ctr, Lincoln Lab, Cambridge, MA 02139 USA. [Aaltonen, Peter; Lumsdaine, Andrew; Zalewski, Marcin] Indiana Univ, Bloomington, IN 47405 USA. [Bader, David] Georgia Inst Technol, Atlanta, GA 30332 USA. [Buluc, Aydin] Lawrence Berkeley Natl Lab, Berkeley, CA USA. [Franchetti, Franz] Carnegie Mellon Univ, Pittsburgh, PA 15213 USA. [Gilbert, John] Univ Calif Santa Barbara, Santa Barbara, CA USA. [Hutchison, Dylan] Univ Washington, Seattle, WA 98195 USA. [Kumar, Manoj; Moreira, Jose] IBM Corp, Armonk, NY USA. [Meyerhenke, Henning] Karlsruhe Inst Technol, D-76021 Karlsruhe, Germany. [McMillan, Scott] CMU Software Engn Inst, Pittsburgh, PA USA. [Owens, John D.; Yang, Carl] Univ Calif Davis, Davis, CA 95616 USA. [Mattson, Timothy] Intel, Santa Clara, CA USA. RP Kepner, J (reprint author), MIT, Supercomp Ctr, Lincoln Lab, Cambridge, MA 02139 USA. NR 47 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 2377-6943 BN 978-1-5090-3525-0 J9 IEEE HIGH PERF EXTR PY 2016 PG 9 WC Computer Science, Hardware & Architecture; Computer Science, Theory & Methods; Engineering, Electrical & Electronic SC Computer Science; Engineering GA BG7KD UT WOS:000391407100070 ER PT S AU Kotteda, VMK Chattopadhyay, A Kumar, V Spotz, W AF Kotteda, V. M. Krushnarao Chattopadhyay, Ashesh Kumar, Vinod Spotz, William GP IEEE TI A framework to integrate MFiX with Trilinos for high fidelity fluidized bed computations SO 2016 IEEE HIGH PERFORMANCE EXTREME COMPUTING CONFERENCE (HPEC) SE IEEE High Performance Extreme Computing Conference LA English DT Proceedings Paper CT IEEE High Performance Extreme Computing Conference (HPEC) CY SEP 13-15, 2016 CL Waltham, MA SP IEEE ID SIMULATION AB A framework is developed to integrate MFiX, an open source multiphase flow solver, with state-of-the-art preconditioners and linear solver packages in Trilinos via MFIX, Fortran, C and CPP wrappers. The computations are carried out to simulate flow in a fluidized bed problem with MFiX as well as the integrated solver, MFiX-Trilinos. BiConjugate gradient stabilized method as well as GMRES is used to solve the linear system of equations. The linear system of equations for the flow variable are solved using the built-in solvers in MFiX. On the other hand, MFiX-Trilinos uses the solvers from AztecOO package in Trilinos. The performance of the integrated solver is tested on various computer architectures for variety of problem sizes. The flow from the solver with the integrated framework and MFiX are in good agreement. However, the solver in MFiXTrilinos is, approximately 30% faster compared to the same solver in MFiX. C1 [Kotteda, V. M. Krushnarao; Kumar, Vinod] Univ Texas El Paso, Dept Mech Engn, 500 W Univ Ave, El Paso, TX 79968 USA. [Chattopadhyay, Ashesh] Univ Texas El Paso, Computat Sci, 500 W Univ Ave, El Paso, TX 79968 USA. [Spotz, William] Sandia Natl Labs, POB 5800,MS 1320, Albuquerque, NM 87185 USA. RP Kotteda, VMK (reprint author), Univ Texas El Paso, Dept Mech Engn, 500 W Univ Ave, El Paso, TX 79968 USA. NR 25 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 2377-6943 BN 978-1-5090-3525-0 J9 IEEE HIGH PERF EXTR PY 2016 PG 6 WC Computer Science, Hardware & Architecture; Computer Science, Theory & Methods; Engineering, Electrical & Electronic SC Computer Science; Engineering GA BG7KD UT WOS:000391407100027 ER PT S AU O'Malley, D Vesselinov, VV AF O'Malley, Daniel Vesselinov, Velimir V. GP IEEE TI ToQ.jl: A high-level programming language for D-Wave machines based on Julia SO 2016 IEEE HIGH PERFORMANCE EXTREME COMPUTING CONFERENCE (HPEC) SE IEEE High Performance Extreme Computing Conference LA English DT Proceedings Paper CT IEEE High Performance Extreme Computing Conference (HPEC) CY SEP 13-15, 2016 CL Waltham, MA SP IEEE AB Quantum computers are becoming more widely available, so it is important to develop tools that enable people to easily program these computers to solve complex problems. To address this issue, we present the design and two applications of ToQ.jl, a high-level programming language for D-Wave quantum annealing machines. ToQ.jl leverages the metaprogramming facilities in Julia (a high-level, high-performance programming language tor technical computing) and uses D-Wave's ToQ programming language as an intermediate representation. This makes it possible for a programmer to leverage all the capabilities of Julia, and the D-Wave machine is used as a co-processor. We demonstrate ToQ.jl via two applications: (1) a pedagogical example based on a map-coloring problem and (2) a linear least squares problem. We also discuss our experience using ToQ.jl with a D-Wave 2X, particularly with respect to a linear least squares problem which is of broad interest to the scientific computing community. C1 [O'Malley, Daniel; Vesselinov, Velimir V.] Los Alamos Natl Lab, Computat Earth Sci, Los Alamos, NM 87545 USA. RP O'Malley, D (reprint author), Los Alamos Natl Lab, Computat Earth Sci, Los Alamos, NM 87545 USA. EM omalled@lanl.gov; vvv@lanl.gov NR 8 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 2377-6943 BN 978-1-5090-3525-0 J9 IEEE HIGH PERF EXTR PY 2016 PG 7 WC Computer Science, Hardware & Architecture; Computer Science, Theory & Methods; Engineering, Electrical & Electronic SC Computer Science; Engineering GA BG7KD UT WOS:000391407100040 ER PT S AU Pakin, S AF Pakin, Scott GP IEEE TI A Quantum Macro Assembler SO 2016 IEEE HIGH PERFORMANCE EXTREME COMPUTING CONFERENCE (HPEC) SE IEEE High Performance Extreme Computing Conference LA English DT Proceedings Paper CT IEEE High Performance Extreme Computing Conference (HPEC) CY SEP 13-15, 2016 CL Waltham, MA SP IEEE AB We present a low-level software building block intended to be used to implement higher-level programming models atop quantum annealers such as the D-Wave 2XTM. By analogy to a macro assembler for conventional architectures, our quantum macro assembler enables a programmer to express computations symbolically and without regard to the specifics of the underlying hardware. We demonstrate that the quantum macro assembler can be useful in its own right as a programming interface despite providing only a minimal level of hardware abstraction. C1 [Pakin, Scott] Los Alamos Natl Lab, Comp Computat & Stat Sci Div, Los Alamos, NM 87545 USA. RP Pakin, S (reprint author), Los Alamos Natl Lab, Comp Computat & Stat Sci Div, Los Alamos, NM 87545 USA. EM pakin@lanl.gov NR 21 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 2377-6943 BN 978-1-5090-3525-0 J9 IEEE HIGH PERF EXTR PY 2016 PG 8 WC Computer Science, Hardware & Architecture; Computer Science, Theory & Methods; Engineering, Electrical & Electronic SC Computer Science; Engineering GA BG7KD UT WOS:000391407100061 ER PT S AU Wen, K Guan, H Calhoun, DM Rumley, S Bergman, K Donofrio, D Shall, J AF Wen, Ke Guan, Hang Calhoun, David M. Rumley, Sebastien Bergman, Keren Donofrio, David Shall, John GP IEEE TI Silicon Photonic Memory Interconnect for Many-Core Architectures SO 2016 IEEE HIGH PERFORMANCE EXTREME COMPUTING CONFERENCE (HPEC) SE IEEE High Performance Extreme Computing Conference LA English DT Proceedings Paper CT IEEE High Performance Extreme Computing Conference (HPEC) CY SEP 13-15, 2016 CL Waltham, MA SP IEEE ID OPTICAL INTERCONNECTS; INTEGRATION; SWITCH AB A scalable and flexible memory interconnect is a key component for a many-core architecture to take full advantage of the high-bandwidth of multiple memory stacks. In this paper, we discuss both technological and architectural challenges of these processor-to-memory interconnects, and focus on two important issues of many-core memory accesses: traffic hotspots and non-uniform memory access (NUMA). We propose a reconfigurable Silicon photonic memory interconnect based on 2.5D stacking that can direct memory traffic to any memory interface on the processor, thus alleviating the two aforementioned effects in addition to providing high bandwidth. Simulations based on a 16-core 4-memory model show that the proposed architecture can lead to up to 2x STREAM speedup over fixed connections in both hotspot and NUMA scenarios. We also demonstrate the proposed architecture using a four-port Silicon photonic demultiplexer and a 4x4 synthesizable on-chip fabric called OpenSoC. The FPGA-emulated system demonstrates dynamic memory rewiring through wavelength routing, and achieves a reconfiguration time of 5 microseconds. C1 [Wen, Ke; Guan, Hang; Calhoun, David M.; Rumley, Sebastien; Bergman, Keren] Columbia Univ, New York, NY 10027 USA. [Donofrio, David; Shall, John] Lawrence Berkeley Natl Lab, 1 Cyclotron Rd, Berkeley, CA USA. RP Bergman, K (reprint author), Columbia Univ, New York, NY 10027 USA. EM bergman@ee.columbia.cdu NR 24 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 2377-6943 BN 978-1-5090-3525-0 J9 IEEE HIGH PERF EXTR PY 2016 PG 7 WC Computer Science, Hardware & Architecture; Computer Science, Theory & Methods; Engineering, Electrical & Electronic SC Computer Science; Engineering GA BG7KD UT WOS:000391407100033 ER PT S AU Wolf, MM Edwards, HC Olivier, SL AF Wolf, Michael M. Edwards, H. Carter Olivier, Stephen L. GP IEEE TI Kokkos/Qthreads Task-Parallel Approach to Linear Algebra Based Graph Analytics SO 2016 IEEE HIGH PERFORMANCE EXTREME COMPUTING CONFERENCE (HPEC) SE IEEE High Performance Extreme Computing Conference LA English DT Proceedings Paper CT IEEE High Performance Extreme Computing Conference (HPEC) CY SEP 13-15, 2016 CL Waltham, MA SP IEEE ID DESIGN AB The Graph BLAS effort to standardize a set of graph algorithms building blocks in terms of linear algebra primitives promises to deliver high performing graph algorithms and greatly impact the analysis of big data. However, there are challenges with this approach, which our data analytics miniapp miniTri exposes. In this paper, we improve upon a previously proposed taskparallel approach to linear algebra-based miniTri formulation, addressing these challenges and describing a Kokkos/Qthreads task-parallel implementation that performs as well or slightly better than the highly optimized, baseline OpenMP data-parallel implementation. C1 [Wolf, Michael M.; Edwards, H. Carter; Olivier, Stephen L.] Sandia Natl Labs, Ctr Res Comp, Albuquerque, NM 87185 USA. RP Wolf, MM (reprint author), Sandia Natl Labs, Ctr Res Comp, Albuquerque, NM 87185 USA. EM mmwolf@sandia.gov; hcedwar@sandia.gov; slolivi@sandia.gov NR 25 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 2377-6943 BN 978-1-5090-3525-0 J9 IEEE HIGH PERF EXTR PY 2016 PG 7 WC Computer Science, Hardware & Architecture; Computer Science, Theory & Methods; Engineering, Electrical & Electronic SC Computer Science; Engineering GA BG7KD UT WOS:000391407100073 ER PT S AU Wolf, MM Klinvex, AM Dunlavy, DM AF Wolf, Michael M. Klinvex, Alicia M. Dunlavy, Daniel M. GP IEEE TI Advantages to Modeling Relational Data using Hypergraphs versus Graphs SO 2016 IEEE HIGH PERFORMANCE EXTREME COMPUTING CONFERENCE (HPEC) SE IEEE High Performance Extreme Computing Conference LA English DT Proceedings Paper CT IEEE High Performance Extreme Computing Conference (HPEC) CY SEP 13-15, 2016 CL Waltham, MA SP IEEE AB Driven by the importance of relational aspects of data to decision-making, graph algorithms have been developed, based on simplified pairwise relationships, to solve a variety of problems. However, evidence has shown that hypergraphs- generalizations of graphs with (hyper) edges that connect any number of vertices-can better model complex, non-pairwise relationships in data and lead to better informed decisions. In this work, we compare graph and hypergraph models in the context of spectral clustering. For these problems, we demonstrate that hypergraphs are computationally more efficient and can better model complex, non-pairwise relationships for many datasets. C1 [Wolf, Michael M.; Klinvex, Alicia M.; Dunlavy, Daniel M.] Sandia Natl Labs, Ctr Res Comp, Albuquerque, NM 87185 USA. RP Wolf, MM (reprint author), Sandia Natl Labs, Ctr Res Comp, Albuquerque, NM 87185 USA. EM mmwolf@sandia.gov; amklinv@sandia.gov; dmdunla@sandia.gov NR 22 TC 0 Z9 0 U1 1 U2 1 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 2377-6943 BN 978-1-5090-3525-0 J9 IEEE HIGH PERF EXTR PY 2016 PG 7 WC Computer Science, Hardware & Architecture; Computer Science, Theory & Methods; Engineering, Electrical & Electronic SC Computer Science; Engineering GA BG7KD UT WOS:000391407100048 ER PT J AU Agarwal, S Cook, J DeBenedictis, E Frank, MP Cauwenberghs, G Srikanth, S Deng, BB Hein, ER Rabbat, PG Conte, TM AF Agarwal, Sapan Cook, Jeanine DeBenedictis, Erik Frank, Michael P. Cauwenberghs, Gert Srikanth, Sriseshan Deng, Bobin Hein, Eric R. Rabbat, Paul G. Conte, Thomas M. GP IEEE TI Energy Efficiency Limits of Logic and Memory SO 2016 IEEE INTERNATIONAL CONFERENCE ON REBOOTING COMPUTING (ICRC) LA English DT Proceedings Paper CT IEEE International Conference on Rebooting Computing (ICRC) CY OCT 17-19, 2016 CL San Diego, CA SP IEEE, IEEE Comp Soc, IEEE Rebooting Comp, IEEE Council Superconduct, Hewlett Packard Enterprise, IARPA, IBM DE Moore's Law; Shannon; Landauer; limits of computing; adiabatic; reversible; reversible logic; millivolt switch AB We address practical limits of energy efficiency scaling for logic and memory. Scaling of logic will end with unreliable operation, making computers probabilistic as a side effect. The errors can be corrected or tolerated, but overhead will increase with further scaling. We address the tradeoff between scaling and error correction that yields minimum energy per operation, finding new error correction methods with energy consumption limits about 2x below current approaches. The maximum energy efficiency for memory depends on several other factors. Adiabatic and reversible methods applied to logic have promise, but overheads have precluded practical use. However, the regular array structure of memory arrays tends to reduce overhead and makes adiabatic memory a viable option. This paper reports an adiabatic memory that has been tested at about 85x improvement over standard designs for energy efficiency. Combining these approaches could set energy efficiency expectations for processor-in-memory computing systems. C1 [Agarwal, Sapan] Sandia Natl Labs, Microsyst Sci & Technol, POB 5800, Albuquerque, NM 87185 USA. [Cook, Jeanine; DeBenedictis, Erik; Frank, Michael P.] Sandia Natl Labs, Ctr Res Comp, POB 5800, Albuquerque, NM 87185 USA. [Cauwenberghs, Gert] Univ Calif San Diego, Jacobs Sch Engn, Dept Bioengn, La Jolla, CA 92093 USA. [Cauwenberghs, Gert] Univ Calif San Diego, Inst Neural Computat, La Jolla, CA 92093 USA. [Srikanth, Sriseshan; Deng, Bobin; Hein, Eric R.; Rabbat, Paul G.; Conte, Thomas M.] Georgia Inst Technol, Sch CS & ECE, Atlanta, GA 30332 USA. RP Cook, J (reprint author), Sandia Natl Labs, Ctr Res Comp, POB 5800, Albuquerque, NM 87185 USA. EM jeacook@sandia.gov FU US Department of Energy's National Nuclear Security Administration [DE-AC04-94AL85000] FX Research supported by Sandia National Laboratories, a multiprogram laboratory managed and operated by Sandia Corporation, a wholly owned subsidiary of Lockheed Martin Corporation, for the US Department of Energy's National Nuclear Security Administration under contract DE-AC04-94AL85000 NR 17 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA BN 978-1-5090-1370-8 PY 2016 PG 8 WC Computer Science, Theory & Methods; Engineering, Electrical & Electronic SC Computer Science; Engineering GA BG8AE UT WOS:000392138600005 ER PT J AU DeBenedictis, EP Frank, MP Ganesh, N Anderson, NG AF DeBenedictis, Erik P. Frank, Michael P. Ganesh, Natesh Anderson, Neal G. GP IEEE TI A Path Toward Ultra-Low-Energy Computing SO 2016 IEEE INTERNATIONAL CONFERENCE ON REBOOTING COMPUTING (ICRC) LA English DT Proceedings Paper CT IEEE International Conference on Rebooting Computing (ICRC) CY OCT 17-19, 2016 CL San Diego, CA SP IEEE, IEEE Comp Soc, IEEE Rebooting Comp, IEEE Council Superconduct, Hewlett Packard Enterprise, IARPA, IBM DE logic-memory integration; processing in memory; thermodynamic limits of computing; superconducting circuits ID IRREVERSIBILITY AB At roughly kT energy dissipation per operation, the thermodynamic energy efficiency "limits" of Moore's Law were unimaginably far off in the 1960s. However, current computers operate at only 100-10,000 times this limit, forming an argument that historical rates of efficiency scaling must soon slow. This paper reviews the justification for the similar to kT per operation limit in the context of processors for von Neumann-class computer architectures of the 1960s. We then reapply the fundamental arguments to contemporary applications and identify a new direction for future computing in which the ultimate efficiency limits would be much further out. New nanodevices with high-level functions that aggregate the functionality of several logic gates and some local memory may be the right building blocks for much more energy efficient execution of emerging applications-such as neural networks. C1 [DeBenedictis, Erik P.; Frank, Michael P.] Sandia Natl Labs, Ctr Res Comp, POB 5800, Albuquerque, NM 87185 USA. [Ganesh, Natesh; Anderson, Neal G.] Univ Massachusetts, ECE Dept, Amherst, MA 01003 USA. RP DeBenedictis, EP (reprint author), Sandia Natl Labs, Ctr Res Comp, POB 5800, Albuquerque, NM 87185 USA. EM epdeben@sandia.gov FU US Department of Energy's National Nuclear Security Administration [DE-AC04-94AL85000] FX Research supported by Sandia National Laboratories, a multiprogram laboratory managed and operated by Sandia Corporation, a wholly owned subsidiary of Lockheed Martin Corporation, for the US Department of Energy's National Nuclear Security Administration under contract DE-AC04-94AL85000 NR 15 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA BN 978-1-5090-1370-8 PY 2016 PG 8 WC Computer Science, Theory & Methods; Engineering, Electrical & Electronic SC Computer Science; Engineering GA BG8AE UT WOS:000392138600006 ER PT J AU Deng, B Srikanth, S Hein, ER Rabbat, PG Conte, TM DeBenedictis, E Cook, J AF Deng, Bobin Srikanth, Sriseshan Hein, Eric R. Rabbat, Paul G. Conte, Thomas M. DeBenedictis, Erik Cook, Jeanine GP IEEE TI Computationally-Redundant Energy-Efficient Processing for Y'all (CREEPY) SO 2016 IEEE INTERNATIONAL CONFERENCE ON REBOOTING COMPUTING (ICRC) LA English DT Proceedings Paper CT IEEE International Conference on Rebooting Computing (ICRC) CY OCT 17-19, 2016 CL San Diego, CA SP IEEE, IEEE Comp Soc, IEEE Rebooting Comp, IEEE Council Superconduct, Hewlett Packard Enterprise, IARPA, IBM AB Dennard scaling has ended. Lowering the voltage supply (Vdd) to sub volt levels causes intermittent losses in signal integrity, rendering further scaling (down) no longer acceptable as a means to lower the power required by a processor core. However, if it were possible to recover the occasional losses due to lower Vdd in an efficient manner, one could effectively lower power. In other words, by deploying the right amount and kind of redundancy, we can strike a balance between overhead incurred in achieving reliability and savings realized by permitting lower Vdd. One promising approach is the Redundant Residue Number System (RRNS) representation. Unlike other error correcting codes, RRNS has the important property of being closed under addition, subtraction and multiplication. Thus enabling correction of errors caused due to both faulty storage and compute units. Furthermore, the incorporated approach uses a fraction of the overhead and is more efficient when compared to the conventional technique used for compute-reliability. In this article, we provide an overview of the architecture of a CREEPY core that leverages this property of RRNS and discuss associated algorithms such as error detection/correction, arithmetic overflow detection and signed number representation. Finally, we demonstrate the usability of such a computer by quantifying a performance-reliability trade-off and provide a lower bound measure of tolerable input signal energy at a gate, while still maintaining reliability. C1 [Deng, Bobin; Srikanth, Sriseshan; Conte, Thomas M.] Georgia Inst Technol, Sch Comp Sci, Atlanta, GA 30332 USA. [Hein, Eric R.; Rabbat, Paul G.; Conte, Thomas M.] Georgia Inst Technol, Sch Elect & Comp Engn, Atlanta, GA 30332 USA. [DeBenedictis, Erik; Cook, Jeanine] Sandia Natl Labs, Ctr Res Comp, POB 5800, Albuquerque, NM 87185 USA. RP Deng, BB (reprint author), Georgia Inst Technol, Sch Comp Sci, Atlanta, GA 30332 USA. EM bdeng@gatech.edu; seshan@gatech.edu; heine@gatech.edu; prabbat3@gatech.edu; conte@gatech.edu; epdeben@sandia.gov; jeacook@sandia.gov NR 13 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA BN 978-1-5090-1370-8 PY 2016 PG 8 WC Computer Science, Theory & Methods; Engineering, Electrical & Electronic SC Computer Science; Engineering GA BG8AE UT WOS:000392138600043 ER PT J AU Frank, MP DeBenedictis, EP AF Frank, Michael P. DeBenedictis, Erik P. GP IEEE TI A Novel Operational Paradigm for Thermodynamically Reversible Logic Adibatic Transformation of Chaotic Nonlinear Dynamical Circuits SO 2016 IEEE INTERNATIONAL CONFERENCE ON REBOOTING COMPUTING (ICRC) LA English DT Proceedings Paper CT IEEE International Conference on Rebooting Computing (ICRC) CY OCT 17-19, 2016 CL San Diego, CA SP IEEE, IEEE Comp Soc, IEEE Rebooting Comp, IEEE Council Superconduct, Hewlett Packard Enterprise, IARPA, IBM DE thermodynamics of computation; reversible computing; adiabatic computing; nonlinear dynamics; chaotic computing AB Continuing to improve computational energy efficiency will soon require developing and deploying new operational paradigms for computation that circumvent the fundamental thermodynamic limits that apply to conventionally-implemented Boolean logic circuits. In particular, Landauer's principle tells us that irreversible information erasure requires a minimum energy dissipation of kT ln 2 per bit erased, where k is Boltzmann's constant and T is the temperature of the available heat sink. However, correctly applying this principle requires carefully characterizing what actually constitutes "information erasure" within a given physical computing mechanism. In this paper, we show that abstract combinational logic networks can validly be considered to contain no information beyond that specified in their input, and that, because of this, appropriately-designed physical implementations of even multi-layer networks can in fact be updated in a single step while incurring no greater theoretical minimum energy dissipation than is required to update their inputs. Furthermore, this energy can approach zero if the network state is updated adiabatically via a reversible transition process. Our novel operational paradigm for updating logic networks suggests an entirely new class of hardware devices and circuits that can be used to reversibly implement Boolean logic with energy dissipation far below the Landauer limit. C1 [Frank, Michael P.; DeBenedictis, Erik P.] Sandia Natl Labs, Ctr Res Comp, Albuquerque, NM 87185 USA. RP Frank, MP (reprint author), Sandia Natl Labs, Ctr Res Comp, Albuquerque, NM 87185 USA. EM mpfrank@sandia.gov FU US Department of Energy's National Nuclear Security Administration [DE-AC04-94AL85000] FX Research supported by Sandia National Laboratories, a multiprogram laboratory managed and operated by Sandia Corporation, a wholly owned subsidiary of Lockheed Martin Corporation, for the US Department of Energy's National Nuclear Security Administration under contract DE-AC04-94AL85000 NR 15 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA BN 978-1-5090-1370-8 PY 2016 PG 8 WC Computer Science, Theory & Methods; Engineering, Electrical & Electronic SC Computer Science; Engineering GA BG8AE UT WOS:000392138600008 ER PT J AU Lentine, AL DeRose, CT AF Lentine, Anthony L. DeRose, Christopher T. GP IEEE TI Challenges for optical interconnect for beyond Moore's law computing SO 2016 IEEE INTERNATIONAL CONFERENCE ON REBOOTING COMPUTING (ICRC) LA English DT Proceedings Paper CT IEEE International Conference on Rebooting Computing (ICRC) CY OCT 17-19, 2016 CL San Diego, CA SP IEEE, IEEE Comp Soc, IEEE Rebooting Comp, IEEE Council Superconduct, Hewlett Packard Enterprise, IARPA, IBM DE optical interconnect; photonics; high performance computing AB We describe the challenge of implementing optical interconnect for beyond Moore's electronic devices. In particular, we developed a simple link model and calculated the optical communications energy for logic voltages down to 10 mV. The results of this link model show a limit to the minimum communications energy that depends on the achievable extinction ratio of the devices. This work gives some insight into the tact that should be taken for improved optical devices to have an impact in future computing systems using ultra-low voltage transistor devices. C1 [Lentine, Anthony L.; DeRose, Christopher T.] Sandia Natl Labs, Albuquerque, NM 87185 USA. RP Lentine, AL (reprint author), Sandia Natl Labs, Albuquerque, NM 87185 USA. EM alentine@sandia.gov NR 14 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA BN 978-1-5090-1370-8 PY 2016 PG 5 WC Computer Science, Theory & Methods; Engineering, Electrical & Electronic SC Computer Science; Engineering GA BG8AE UT WOS:000392138600025 ER PT J AU Rothganger, F James, CD Aimone, JB AF Rothganger, Fred James, Conrad D. Aimone, James B. GP IEEE TI Computing with Dynamical Systems SO 2016 IEEE INTERNATIONAL CONFERENCE ON REBOOTING COMPUTING (ICRC) LA English DT Proceedings Paper CT IEEE International Conference on Rebooting Computing (ICRC) CY OCT 17-19, 2016 CL San Diego, CA SP IEEE, IEEE Comp Soc, IEEE Rebooting Comp, IEEE Council Superconduct, Hewlett Packard Enterprise, IARPA, IBM AB The effort to develop larger-scale computing systems introduces a set of related challenges: Large machines are more difficult to synchronize. The sheer quantity of hardware introduces more opportunities for errors. New approaches to hardware, such as low-energy or neuromorphic devices are not directly programmable by traditional methods. These three challenges may be addressed, at least for a subset of interesting problems, by a dynamical systems approach. The initial state of system represents the problem, and the final state of the system represents the solution. By carefully controlling the attractive basin of the system, we can move it between these two points while tolerating errors, which appear as perturbations. Here we describe both conventional and neural computers as dynamical systems, and show how to construct algorithms with resilience to noise, using traditional numerical problems as a special case. This suggests a reduction from numerical problems to spiking neural hardware such as IBM's TrueNorth. C1 [Rothganger, Fred; James, Conrad D.; Aimone, James B.] Sandia Natl Labs, Albuquerque, NM 87185 USA. RP Rothganger, F (reprint author), Sandia Natl Labs, Albuquerque, NM 87185 USA. FU U.S. Department of Energy's National Nuclear Security Administration [DE-AC04-94AL85000] FX This research was made possible in part by LDRD program support from Sandia National Laboratories. Sandia National Laboratories is a multi-program laboratory managed and operated by Sandia Corporation, a wholly owned subsidiary of Lockheed Martin Corporation, for the U.S. Department of Energy's National Nuclear Security Administration under contract DE-AC04-94AL85000. NR 11 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA BN 978-1-5090-1370-8 PY 2016 PG 3 WC Computer Science, Theory & Methods; Engineering, Electrical & Electronic SC Computer Science; Engineering GA BG8AE UT WOS:000392138600030 ER PT J AU Severa, W Parekh, O Carlson, KD James, CD Aimone, JB AF Severa, William Parekh, Ojas Carlson, Kristofor D. James, Conrad D. Aimone, James B. GP IEEE TI Spiking Network Algorithms for Scientific Computing SO 2016 IEEE INTERNATIONAL CONFERENCE ON REBOOTING COMPUTING (ICRC) LA English DT Proceedings Paper CT IEEE International Conference on Rebooting Computing (ICRC) CY OCT 17-19, 2016 CL San Diego, CA SP IEEE, IEEE Comp Soc, IEEE Rebooting Comp, IEEE Council Superconduct, Hewlett Packard Enterprise, IARPA, IBM ID PARTICLE IMAGE VELOCIMETRY; LARGE-SCALE MODEL; NEURAL-NETWORKS; PLASTICITY; VELOCITY; SYSTEMS; CELLS AB For decades, neural networks have shown promise for next-generation computing, and recent breakthroughs in machine learning techniques, such as deep neural networks, have provided state-of-the-art solutions for inference problems. However, these networks require thousands of training processes and are poorly suited for the precise computations required in scientific or similar arenas. The emergence of dedicated spiking neuromorphic hardware creates a powerful computational paradigm which can be leveraged towards these exact scientific or otherwise objective computing tasks. We forego any learning process and instead construct the network graph by hand. In turn, the networks produce guaranteed success often with easily computable complexity. We demonstrate a number of algorithms exemplifying concepts central to spiking networks including spike timing and synaptic delay. We also discuss the application of cross-correlation particle image velocimetry and provide two spiking algorithms; one uses time-division multiplexing, and the other runs in constant time. C1 [Severa, William; Parekh, Ojas; Carlson, Kristofor D.; James, Conrad D.; Aimone, James B.] Sandia Natl Labs, Ctr Res Comp, POB 5800, Albuquerque, NM 87185 USA. RP Severa, W (reprint author), Sandia Natl Labs, Ctr Res Comp, POB 5800, Albuquerque, NM 87185 USA. FU Sandia National Laboratories' Laboratory Directed Research and Development (LDRD) Program under the Hardware Acceleration of Adaptive Neural Algorithms Grand Challenge; U.S. Department of Energy's National Nuclear Security Administration [DE-AC0494AL85000] FX This work was supported by Sandia National Laboratories' Laboratory Directed Research and Development (LDRD) Program under the Hardware Acceleration of Adaptive Neural Algorithms Grand Challenge. Sandia National Laboratories is a multi-program laboratory managed and operated by Sandia Corporation, a wholly owned subsidiary of Lockheed Martin Corporation, for the U.S. Department of Energy's National Nuclear Security Administration under Contract DE-AC0494AL85000. SAND2016-7042C NR 42 TC 0 Z9 0 U1 1 U2 1 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA BN 978-1-5090-1370-8 PY 2016 PG 8 WC Computer Science, Theory & Methods; Engineering, Electrical & Electronic SC Computer Science; Engineering GA BG8AE UT WOS:000392138600010 ER PT J AU Vineyard, CM Verzi, SJ AF Vineyard, Craig M. Verzi, Stephen J. GP IEEE TI Overcoming the Static Learning Bottleneck - the Need for Adaptive Neural Learning SO 2016 IEEE INTERNATIONAL CONFERENCE ON REBOOTING COMPUTING (ICRC) LA English DT Proceedings Paper CT IEEE International Conference on Rebooting Computing (ICRC) CY OCT 17-19, 2016 CL San Diego, CA SP IEEE, IEEE Comp Soc, IEEE Rebooting Comp, IEEE Council Superconduct, Hewlett Packard Enterprise, IARPA, IBM AB Amidst the rising impact of machine learning and the popularity of deep neural networks, learning theory is not a solved problem. With the emergence of neuromorphic computing as a means of addressing the von Neumann bottleneck, it is not simply a matter of employing existing algorithms on new hardware technology, but rather richer theory is needed to guide advances. In particular, there is a need for a richer understanding of the role of adaptivity in neural learning to provide a foundation upon which architectures and devices may be built. Modern machine learning algorithms lack adaptive learning, in that they are dominated by a costly training phase after which they no longer learn. The brain on the other hand is continuously learning and provides a basis for which new mathematical theories may be developed to greatly enrich the computational capabilities of learning systems. Game theory provides one alternative mathematical perspective analyzing strategic interactions and as such is well suited to learning theory. C1 [Vineyard, Craig M.; Verzi, Stephen J.] Sandia Natl Labs, Albuquerque, NM 87185 USA. RP Vineyard, CM (reprint author), Sandia Natl Labs, Albuquerque, NM 87185 USA. EM cmviney@sandia.gov FU Sandia National Laboratories; U.S. Department of Energys National Nuclear Security Administration [DE-AC04-94AL85000] FX This research was possible in part by LDRD program support from Sandia National Laboratories. Sandia National Laboratories is a multi-program laboratory managed and operated by Sandia Corporation, a wholly owned subsidiary of Lockheed Martin Corporation, for the U.S. Department of Energys National Nuclear Security Administration under contract DE-AC04-94AL85000. NR 9 TC 0 Z9 0 U1 1 U2 1 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA BN 978-1-5090-1370-8 PY 2016 PG 3 WC Computer Science, Theory & Methods; Engineering, Electrical & Electronic SC Computer Science; Engineering GA BG8AE UT WOS:000392138600021 ER PT S AU Christov, IC Lueptow, RM Ottino, JM Sturman, R AF Christov, Ivan C. Lueptow, Richard M. Ottino, Julio M. Sturman, Rob BE Awrejcewicz, J TI A Parametric Study of Mixing in a Granular Flow a Biaxial Spherical Tumbler SO DYNAMICAL SYSTEMS: MODELLING SE Springer Proceedings in Mathematics & Statistics LA English DT Proceedings Paper CT 13th Conference on Dynamical Systems - Theory and Applications CY DEC 07-10, 2015 CL Lodz, POLAND ID CHAOTIC ADVECTION; 3 DIMENSIONS; SEGREGATION AB We report on a computational parameter space study of mixing protocols for a half-full biaxial spherical granular tumbler. The quality of mixing is quantified via the intensity of segregation (concentration variance) and computed as a function of three system parameters: angles of rotation about each tumbler axis and the flowing layer depth. Only the symmetric case is considered in which the flowing layer depth is the same for each rotation. We also consider the dependence on R, which parametrizes the concentric spheroids ("shells") that comprise the volume of the tumbler. The intensity of segregation is computed over 100 periods of the mixing protocol for each choice of parameters. Each curve is classified via a time constant,tau, and an asymptotic mixing value, bias. We find that most choices of angles and most shells throughout the tumbler volume mix well, with mixing near the center of the tumbler being consistently faster (small tau) and more complete (small bias). We conclude with examples and discussion of the pathological mixing behaviors of the outliers in the so-called tau-bias scatterplots. C1 [Christov, Ivan C.] Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA. [Christov, Ivan C.] Los Alamos Natl Lab, Ctr Nonlinear Studies, Los Alamos, NM 87545 USA. [Lueptow, Richard M.; Ottino, Julio M.] Northwestern Univ, Dept Chem & Biol Engn, Dept Mech Engn, Evanston, IL 60208 USA. [Lueptow, Richard M.; Ottino, Julio M.] Northwestern Univ, Northwestern Inst Complex Syst NICO, Evanston, IL 60208 USA. [Sturman, Rob] Univ Leeds, Dept Appl Math, Leeds LS2 9JT, W Yorkshire, England. RP Christov, IC (reprint author), Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA.; Christov, IC (reprint author), Los Alamos Natl Lab, Ctr Nonlinear Studies, Los Alamos, NM 87545 USA. EM christov@alum.mit.edu; r-lueptow@northwestern.edu; jm-ottino@northwestern.edu; r.sturman@maths.leeds.ac.uk RI Christov, Ivan/B-9418-2008 OI Christov, Ivan/0000-0001-8531-0531 FU Robert R. McCormick School of Engineering and Applied Science and by US National Science Foundation at Northwestern [CMMI-1000469]; LANL/LDRD at Los Alamos National Laboratory; Los Alamos National Security, L.L.C. for the National Nuclear Security Administration of the U.S. Department of Energy [DE-AC52-06NA25396] FX I.C.C. was supported, in part, by a Walter P. Murphy Fellowship from the Robert R. McCormick School of Engineering and Applied Science and by US National Science Foundation grant CMMI-1000469 at Northwestern and by the LANL/LDRD Program through a Feynman Distinguished Fellowship at Los Alamos National Laboratory, which is operated by Los Alamos National Security, L.L.C. for the National Nuclear Security Administration of the U.S. Department of Energy under contract DE-AC52-06NA25396. We thank Stephen Wiggins for suggesting the tau-bias scatterplots and useful discussions. NR 24 TC 0 Z9 0 U1 1 U2 1 PU SPRINGER PI NEW YORK PA 233 SPRING STREET, NEW YORK, NY 10013, UNITED STATES SN 2194-1009 BN 978-3-319-42402-6; 978-3-319-42401-9 J9 SPRINGER P MATH STAT PY 2016 VL 181 BP 143 EP 154 DI 10.1007/978-3-319-42402-6_13 PG 12 WC Mathematics; Statistics & Probability SC Mathematics GA BG7WY UT WOS:000391880500013 ER PT J AU Pracheil, BM McManamay, RA Bevelhimer, MS DeRolph, CR Cada, GF AF Pracheil, Brenda M. McManamay, Ryan A. Bevelhimer, Mark S. DeRolph, Chris R. Cada, Glenn F. TI A traits-based approach for prioritizing species for monitoring and surrogacy selection SO ENDANGERED SPECIES RESEARCH LA English DT Article DE Conservation; Life history traits; Monitoring; Threatened fish ID HYDROKINETIC TURBINE; PASSAGE SURVIVAL; ATLANTIC SALMON; POWER ANALYSIS; AMERICAN SHAD; UNITED-STATES; CONSERVATION; DIVERSITY; BEHAVIOR; TOOL AB The bar for justifying the use of vertebrate animals for study is being increasingly raised, thus requiring increased rigor for species selection and study design. Although we have power analyses to provide quantitative backing for the numbers of organisms used, quantitative backing for selection of study species is not frequently employed. This can be especially important when measuring the impacts of ecosystem alteration, when study species must be chosen that are both sensitive to the alteration and of sufficient abundance for study. Just as important is providing justification for designation of surrogate species for study, especially when the species of interest is rare or of conservation concern and selection of an appropriate surrogate can have legal implications. In this study, we use a combination of GIS, a fish traits database and multivariate statistical analyses to quantitatively prioritize species for study and to determine potential study surrogate species. We provide two case studies to illustrate our quantitative, traits-based approach for designating study species and surrogate species. In the first case study, we select broadly representative fish species to understand the effects of turbine passage on adult fishes based on traits that suggest sensitivity to turbine passage. In our second case study, we present a framework for selecting a surrogate species for an endangered species. We suggest that our traits-based framework can provide quantitative backing and added justification to selection of study species while expanding the inference space of study results. C1 [Pracheil, Brenda M.; McManamay, Ryan A.; Bevelhimer, Mark S.; DeRolph, Chris R.; Cada, Glenn F.] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA. RP Pracheil, BM (reprint author), Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA. EM pracheilbm@ornl.gov FU US Department of Energy (DOE) Energy Efficiency and Renewable Energy Office, Wind and Water Power Technologies Program through Oak Ridge National Laboratory [DE-AC05-00OR22725]; US Department of Energy [DE-AC05-00OR22725]; Department of Energy FX We thank Alison Colotelo and Gary Johnson at Pacific Northwest National Laboratory, and Clayton Ridenour at the US Army Corps of Engineers for comments on this manuscript. This study was funded by the US Department of Energy (DOE) Energy Efficiency and Renewable Energy Office, Wind and Water Power Technologies Program through Oak Ridge National Laboratory, which is managed by UT-Battelle, LLC, for the DOE under contract DE-AC05-00OR22725. Fish distribution information is provided by NatureServe (www.natureserve.org) and its network of natural heritage member programs, a leading source of information about rare and endangered species, and threatened ecosystems. Opinions expressed are those of the authors and do not reflect those of their employers. This manuscript has been authored by UT-Battelle, LLC under Contract No. DE-AC05-00OR22725 with the US Department of Energy. The United States Government retains and the publisher, by accepting the article for publication, acknowledges that the United States Government retains a nonexclusive, paid-up, irrevocable, world-wide license to publish or reproduce the published form of this manuscript, or allow others to do so, for United States Government purposes. The Department of Energy will provide public access to these results of federally sponsored research in accordance with the DOE Public Access Plan (http://energy.gov/downloads/doe-public-access-plan). NR 39 TC 0 Z9 0 U1 0 U2 0 PU INTER-RESEARCH PI OLDENDORF LUHE PA NORDBUNTE 23, D-21385 OLDENDORF LUHE, GERMANY SN 1863-5407 EI 1613-4796 J9 ENDANGER SPECIES RES JI Endanger. Species Res. PY 2016 VL 31 BP 243 EP 258 DI 10.3354/esr00766 PG 16 WC Biodiversity Conservation SC Biodiversity & Conservation GA EH3UG UT WOS:000391696900001 ER PT J AU Jasra, A Law, KJH Zhou, Y AF Jasra, Ajay Law, Kody J. H. Zhou, Yan TI FORWARD AND INVERSE UNCERTAINTY QUANTIFICATION USING MULTILEVEL MONTE CARLO ALGORITHMS FOR AN ELLIPTIC NONLOCAL EQUATION SO INTERNATIONAL JOURNAL FOR UNCERTAINTY QUANTIFICATION LA English DT Article DE uncertainty quantification; multilevel Monte Carlo; sequential Monte Carlo; nonlocal equations; Bayesian inverse problem ID DIFFUSION-PROBLEMS; TRANSPORT AB This paper considers uncertainty quantification for an elliptic nonlocal equation. In particular, it is assumed that the parameters which define the kernel in the nonlocal operator are uncertain and a priori distributed according to a probability measure. It is shown that the induced probability measure on some quantities of interest arising from functionals of the solution to the equation with random inputs is well-defined,s as is the posterior distribution on parameters given observations. As the elliptic nonlocal equation cannot be solved approximate posteriors are constructed. The multilevel Monte Carlo (MLMC) and multilevel sequential Monte Carlo (MLSMC) sampling algorithms are used for a priori and a posteriori estimation, respectively, of quantities of interest. These algorithms reduce the amount of work to estimate posterior expectations, for a given level of error, relative to Monte Carlo and i.i.d. sampling from the posterior at a given level of approximation of the solution of the elliptic nonlocal equation. C1 [Jasra, Ajay; Zhou, Yan] Natl Univ Singapore, Dept Stat & Appl Probabil, Singapore, Singapore. [Law, Kody J. H.] Oak Ridge Natl Lab, Comp Sci & Math Div, Oak Ridge, TN 37831 USA. RP Law, KJH (reprint author), Oak Ridge Natl Lab, Comp Sci & Math Div, Oak Ridge, TN 37831 USA. EM lawkj@ornl.gov FU DARPA FORMULATE project; Ministry of Education AcRF tier 2 grant [R-155-000-161-112] FX K.J.H.L. was supported by the DARPA FORMULATE project. A.J. and Y.Z. were supported by Ministry of Education AcRF tier 2 grant, R-155-000-161-112. We express our gratitude to Marta D'Elia, Pablo Seleson, and Max Gunzburger for useful discussions. NR 25 TC 0 Z9 0 U1 1 U2 1 PU BEGELL HOUSE INC PI DANBURY PA 50 NORTH ST, DANBURY, CT 06810 USA SN 2152-5080 EI 2152-5099 J9 INT J UNCERTAIN QUAN JI Int. J. Uncertain. Quantif. PY 2016 VL 6 IS 6 BP 501 EP 514 DI 10.1615/Int.J.UncertaintyQuantification.2016018661 PG 14 WC Engineering, Multidisciplinary; Mathematics, Interdisciplinary Applications SC Engineering; Mathematics GA EH6MW UT WOS:000391888200003 ER PT J AU Bruillard, P Ng, SH Rowell, EC Wang, ZH AF Bruillard, Paul Ng, Siu-Hung Rowell, Eric C. Wang, Zhenghan TI On Classification of Modular Categories by Rank SO INTERNATIONAL MATHEMATICS RESEARCH NOTICES LA English DT Article ID CONFORMAL FIELD-THEORY; TENSOR CATEGORIES; FUSION CATEGORIES; ALGEBRAS AB The feasibility of a classification-by-rank program for modular categories follows from the Rank-Finiteness Theorem. We develop arithmetic, representation theoretic and algebraic methods for classifying modular categories by rank. As an application, we determine all possible fusion rules for all rank = 5 modular categories and describe the corresponding monoidal equivalence classes. C1 [Bruillard, Paul; Rowell, Eric C.] Texas A&M Univ, Dept Math, College Stn, TX 77843 USA. [Bruillard, Paul] Pacific Northwest Natl Lab, 902 Battelle Blvd, Richland, WA 99352 USA. [Ng, Siu-Hung] Louisiana State Univ, Dept Math, Baton Rouge, LA 70803 USA. [Wang, Zhenghan] Univ Calif Santa Barbara, Microsoft Res Stn Q, Santa Barbara, CA 93106 USA. [Wang, Zhenghan] Univ Calif Santa Barbara, Dept Math, Santa Barbara, CA 93106 USA. RP Bruillard, P (reprint author), Texas A&M Univ, Dept Math, College Stn, TX 77843 USA.; Bruillard, P (reprint author), Pacific Northwest Natl Lab, 902 Battelle Blvd, Richland, WA 99352 USA. EM zhenghwa@microsoft.com FU United States National Science Foundation [DMS1108725, DMS1108736, DMS1001566, DMS1303253, DMS1501179]; U.S. Department of Energy [PNNL-SA-111550] FX This work was partially supported by United States National Science Foundation grants DMS1108725 to P.B., E.C.R., and DMS1108736 to Z.W. and DMS1001566, DMS1303253, and DMS1501179 to S.-H.N. In addition, the research of P.B. described in this paper was, in part, conducted under the Laboratory Directed Research and Development Program at PNNL, a multi-program national laboratory operated by Battelle for the U.S. Department of Energy (PNNL-SA-111550). NR 33 TC 1 Z9 1 U1 0 U2 0 PU OXFORD UNIV PRESS PI OXFORD PA GREAT CLARENDON ST, OXFORD OX2 6DP, ENGLAND SN 1073-7928 EI 1687-0247 J9 INT MATH RES NOTICES JI Int. Math. Res. Notices PY 2016 IS 24 BP 7546 EP 7588 DI 10.1093/imrn/rnw020 PG 43 WC Mathematics SC Mathematics GA EI0TW UT WOS:000392188600006 ER PT J AU Johnson, JK Oyen, D Chertkov, M Netrapalli, P AF Johnson, Jason K. Oyen, Diane Chertkov, Michael Netrapalli, Praneeth TI Learning Planar Ising Models SO JOURNAL OF MACHINE LEARNING RESEARCH LA English DT Article DE Ising models; graphical models AB Inference and learning of graphical models are both well-studied problems in statistics and machine learning that have found many applications in science and engineering. However, exact inference is intractable in general graphical models, which suggests the problem of seeking the best approximation to a collection of random variables within some tractable family of graphical models. In this paper, we focus on the class of planar Ising models, for which exact inference is tractable using techniques of statistical physics. Based on these techniques and recent methods for planarity testing and planar embedding, we propose a greedy algorithm for learning the best planar Ising model to approximate an arbitrary collection of binary random variables (possibly from sample data). Given the set of all pairwise correlations among variables, we select a planar graph and optimal planar Ising model defined on this graph to best approximate that set of correlations. We demonstrate our method in simulations and for two applications: modeling senate voting records and identifying geo-chemical depth trends from Mars rover data. C1 [Johnson, Jason K.] Numerica, Ft Collins, CO 80528 USA. [Oyen, Diane; Chertkov, Michael] Los Alamos Natl Lab, Los Alamos, NM USA. [Netrapalli, Praneeth] Microsoft Res, Cambridge, MA USA. RP Johnson, JK (reprint author), Numerica, Ft Collins, CO 80528 USA. EM jason.johnson@numerica.us; doyen@lanl.gov; chertkov@lanl.gov; praneeth@microsoft.com NR 42 TC 0 Z9 0 U1 1 U2 1 PU MICROTOME PUBL PI BROOKLINE PA 31 GIBBS ST, BROOKLINE, MA 02446 USA SN 1532-4435 J9 J MACH LEARN RES JI J. Mach. Learn. Res. PY 2016 VL 17 AR 215 PG 26 WC Automation & Control Systems; Computer Science, Artificial Intelligence SC Automation & Control Systems; Computer Science GA EH5TV UT WOS:000391836700001 ER PT J AU Naulleau, P Anderson, C Chao, WL Bhattarai, S Neureuther, A AF Naulleau, Patrick Anderson, Christopher Chao, Weilun Bhattarai, Suchit Neureuther, Andrew TI Stochastics and EUV Patterning in the 1x-nm Regime SO JOURNAL OF PHOTOPOLYMER SCIENCE AND TECHNOLOGY LA English DT Article DE photoresist; extreme ultraviolet; stochastics; phase-shift mask ID LINE-EDGE ROUGHNESS; SHOT-NOISE; RESIST; PHOTORESIST; EXTREME; MODEL AB The problem of stochastics in photoresist patterning is gaining increased attention. Understanding this problem requires new modeling methods. Here we describe the use of the Multivariate Poisson Propagation Model (MPPM) to study the relative importance of a variety of stochastic terms in both chemically amplified and non-chemically amplified resists. The results show that for the chemically amplified case, materials stochastic effects are on par with photon stochastics effects. The model is used to study both line-width roughness (LWR) impacts as well as contact size variations (CDU). As one might expect, contact CDU follows the same trends as LWR, but places even more sever constraints on the stochastic terms when considering the same feature size. Noting the contact patterning challenge, we also describe a phase-shift mask patterning method enabling the photon effect to be greatly reduced. At equivalent CDU, we demonstrate an effective 7x reduction in required source dose when patterning 25-nm half pitch contacts. C1 [Naulleau, Patrick; Anderson, Christopher; Chao, Weilun] Lawrence Berkeley Natl Lab, Ctr Xray Opt, Berkeley, CA 94720 USA. [Bhattarai, Suchit; Neureuther, Andrew] Univ Calif Berkeley, EECS, Berkeley, CA 94720 USA. RP Naulleau, P (reprint author), Lawrence Berkeley Natl Lab, Ctr Xray Opt, Berkeley, CA 94720 USA. NR 14 TC 0 Z9 0 U1 1 U2 1 PU TECHNICAL ASSOC PHOTOPOLYMERS,JAPAN PI CHIBA PA CHIBA UNIV, FACULTY ENGINEERING, YAYOICHO, CHIBA, 263-8522, JAPAN SN 0914-9244 J9 J PHOTOPOLYM SCI TEC JI J. Photopolym Sci. Technol. PY 2016 VL 29 IS 6 BP 797 EP 802 PG 6 WC Polymer Science SC Polymer Science GA EH6TF UT WOS:000391906100004 ER PT S AU Cooke, CD Reed, FK Prince, LJ Vann, JM Anderson, AL AF Cooke, Corey D. Reed, Frederick K. Prince, Luke J. Vann, Jason M. Anderson, Adam L. GP IEEE TI An Efficient Sparse FFT Algorithm with Application to Signal Source Separation and 2D Virtual Image Feature Extraction SO MILCOM 2016 - 2016 IEEE MILITARY COMMUNICATIONS CONFERENCE SE IEEE Military Communications Conference LA English DT Proceedings Paper CT 35th IEEE Military Communications Conference (MILCOM) CY NOV 01-03, 2016 CL Baltimore, MD SP IEEE, AFCEA, IEEE Commun Soc DE Fast Fourier transforms; signal detection; feature extraction; electromagnetic interference AB Signal source separation is an important aspect of both measurement and signature intelligence (MASINT) as well as modern commercial smart grid applications. In some MASINT scenarios, real-time signal processing is required in a small physical form factor, which can become prohibitive with the high sample rates required of modern signal identification algorithms. We develop a new Fast Fourier Transform (FFT) algorithm, the Aliased FFT (AFFT), that exploits spectral redundancy and sparsity in the signal to drastically reduce the number of computations required from O(N log N), for the normal FFT, to one that approaches the idealized O(K log K) for a K-sparse signal. We also develop a signal source separation algorithm using harmonically aligned signal projections (HASP) that is useful for transforming a one-dimensional signal of interest (SOI) into a two-dimensional image in such a way to facilitate automated feature extraction. An automated feature extractor is described which can accurately achieve super-resolution far beyond that of the traditional FFT by again taking advantage of the harmonic structure present in the SOI. We demonstrate HASP and this feature extractor for the application of load disaggregation-identifying the presence of certain types of devices connected to a power system. C1 [Cooke, Corey D.; Reed, Frederick K.; Prince, Luke J.; Anderson, Adam L.] Tennessee Technol Univ, Dept Elect & Comp Engn, Cookeville, TN 38505 USA. [Vann, Jason M.] Oak Ridge Natl Lab, RF & Intelligent Syst Grp, Oak Ridge, TN 37831 USA. RP Cooke, CD (reprint author), Tennessee Technol Univ, Dept Elect & Comp Engn, Cookeville, TN 38505 USA. EM cdcooke21@students.tntech.edu; fkreed42@students.tntech.edu; ljprince42@students.tntech.edu; vannjm@ornl.gov; aanderson@tntech.edu OI Vann, Jason/0000-0002-6554-9745 NR 19 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 2155-7578 BN 978-1-5090-3781-0 J9 IEEE MILIT COMMUN C PY 2016 BP 396 EP 400 PG 5 WC Telecommunications SC Telecommunications GA BG7LX UT WOS:000391433600068 ER PT S AU Laraway, SA Loera, J Moradi, H Farhang-Boroujeny, B AF Laraway, Stephen A. Loera, Jose Moradi, Hussein Farhang-Boroujeny, Behrouz GP IEEE TI Experimental Results of FB-MC-SS on a Wideband HF NVIS Propagation Channel SO MILCOM 2016 - 2016 IEEE MILITARY COMMUNICATIONS CONFERENCE SE IEEE Military Communications Conference LA English DT Proceedings Paper CT 35th IEEE Military Communications Conference (MILCOM) CY NOV 01-03, 2016 CL Baltimore, MD SP IEEE, AFCEA, IEEE Commun Soc AB Recently, we have proposed filter bank multicarrier spread spectrum (FB-MC-SS) as a robust and stealthy HF communication waveform. In this paper, we present our initial over the air test results of FB-MC-SS for a testing campaign that began in Spring 2016. These tests are performed for a 190 mile near vertical incidence skywave (NVIS) link from Idaho Falls, Idaho to Salt Lake City, Utah. Two waveform bandwidths are examined; a 24 kHz and a 200 kHz bandwidth. The test results demonstrate that FB-MC-SS is robust and well-suited for HF communications. Reliable data recovery is demonstrated at signal-to-noise ratio (SNR) values of as low as -20 dB. In addition, the results show the improvements in performance and stealthiness of communications as transmit signal bandwidth increases, while the bit rate and transmit power are kept fixed. C1 [Laraway, Stephen A.; Farhang-Boroujeny, Behrouz] Univ Utah, Dept Elect & Comp Engn, Salt Lake City, UT 84112 USA. [Loera, Jose; Moradi, Hussein] Idaho Natl Lab, Idaho Falls, ID USA. RP Laraway, SA (reprint author), Univ Utah, Dept Elect & Comp Engn, Salt Lake City, UT 84112 USA. EM andylaraway@yahoo.com; hussein.moradi@inl.gov; farhang@ece.utah.edu NR 11 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 2155-7578 BN 978-1-5090-3781-0 J9 IEEE MILIT COMMUN C PY 2016 BP 711 EP 716 PG 6 WC Telecommunications SC Telecommunications GA BG7LX UT WOS:000391433600121 ER PT S AU Van Leeuwen, BP Stout, WMS Urias, VE AF Van Leeuwen, Brian P. Stout, William M. S. Urias, Vincent E. GP IEEE TI Empirical Assessment of Network-based Moving Target Defense Approaches SO MILCOM 2016 - 2016 IEEE MILITARY COMMUNICATIONS CONFERENCE SE IEEE Military Communications Conference LA English DT Proceedings Paper CT 35th IEEE Military Communications Conference (MILCOM) CY NOV 01-03, 2016 CL Baltimore, MD SP IEEE, AFCEA, IEEE Commun Soc DE moving target defense; metrics; defensive work factors AB Moving Target Defense (MTD) is based on the notion of controlling change across various system attributes with the objective of increasing uncertainty and complexity for attackers; the promise of MTD is that this increased uncertainty and complexity will increase the costs of attack efforts and thus prevent or limit network intrusions. As MTD increases complexity of the system for the attacker, the MTD also increases complexity and cost in the desired operation of the system. This introduced complexity may result in more difficult network troubleshooting and cause network degradation or longer network outages, and may not provide an adequate defense against an adversary in the end. In this work, the authors continue MTD assessment and evaluation, this time focusing on application performance monitoring (APM) under the umbrella of Defensive Work Factors, as well as the empirical assessment of a network-based MTD under Red Team (RT) attack. APM provides the impact of the MTD from the perspective of the user, whilst the RT element provides a means to test the defense under a series of attack steps based on the LM Cyber Kill Chain. C1 [Van Leeuwen, Brian P.; Stout, William M. S.; Urias, Vincent E.] Sandia Natl Labs, POB 5800, Albuquerque, NM 87185 USA. RP Van Leeuwen, BP (reprint author), Sandia Natl Labs, POB 5800, Albuquerque, NM 87185 USA. EM bpvanle@sandia.gov; wmstout@sandia.gov; veuria@sandia.gov NR 11 TC 0 Z9 0 U1 1 U2 1 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 2155-7578 BN 978-1-5090-3781-0 J9 IEEE MILIT COMMUN C PY 2016 BP 764 EP 769 PG 6 WC Telecommunications SC Telecommunications GA BG7LX UT WOS:000391433600130 ER PT J AU Barajas-Solano, DA Tartakovsky, AM AF Barajas-Solano, David A. Tartakovsky, A. M. TI HYBRID MULTISCALE FINITE VOLUME METHOD FOR ADVECTION-DIFFUSION EQUATIONS SUBJECT TO HETEROGENEOUS REACTIVE BOUNDARY CONDITIONS SO MULTISCALE MODELING & SIMULATION LA English DT Article DE multiscale finite volume method; hybrid methods; reactive transport; porous media ID POROUS-MEDIA; MULTIPHASE FLOW; TRANSPORT AB We present a hybrid scheme for the coupling of macro- and microscale continuum models for reactive contaminant transport in fractured and porous media. The transport model considered is the advection-diffusion equation, subject to linear heterogeneous reactive boundary conditions. The multiscale finite volume method (MsFV) is employed to define an approximation to the microscale concentration field defined in terms of macroscopic or global degrees of freedom, together with local interpolator and corrector functions capturing microscopic spatial variability. The macroscopic mass balance relations for the MsFV global degrees of freedom are coupled with the macroscopic model, resulting in a global problem for the simultaneous time-stepping of all macroscopic degrees of freedom throughout the domain. In order to perform the hybrid coupling, the micro- and macroscale models are applied over overlapping subdomains of the simulation domain, with the overlap denoted as the handshake subdomain Omega(hs), over which continuity of concentration and transport fluxes between models is enforced. Continuity of concentration is enforced by posing a restriction relation between models over Omega(hs). Continuity of fluxes is enforced by prolongating to microscopic resolution the macroscopic model fluxes across the boundary of Omega(hs). The microscopic interpolator and corrector functions are solutions to local microscopic advection-diffusion problems decoupled from the global degrees of freedom and from each other by virtue of the MsFV decoupling ansatz. The error introduced by the decoupling ansatz is reduced iteratively by the preconditioned GMRES algorithm, with the hybrid MsFV operator serving as the preconditioner. C1 [Barajas-Solano, David A.; Tartakovsky, A. M.] Pacific Northwest Natl Lab, Richland, WA 99354 USA. RP Barajas-Solano, DA (reprint author), Pacific Northwest Natl Lab, Richland, WA 99354 USA. EM David.Barajas-Solano@pnnl.gov; alexandre.tartakovsky@pnnl.gov FU Applied Mathematics Program within the U.S. Department of Energy (DOE) Office of Advanced Scientific Computing Research as part of the Early Career Award "New Dimension Reduction Methods and Scalable Algorithms for Multiscale Nonlinear Phenomena"; Collaboratory on Mathematics for Mesoscopic Modeling of Materials (CM4); DOE [DE-ACO5-76L01830] FX The authors received funding support from the Applied Mathematics Program within the U.S. Department of Energy (DOE) Office of Advanced Scientific Computing Research as part of the Early Career Award "New Dimension Reduction Methods and Scalable Algorithms for Multiscale Nonlinear Phenomena" and Collaboratory on Mathematics for Mesoscopic Modeling of Materials (CM4). Pacific Northwest National Laboratory is operated by Battelle for the DOE under contract DE-ACO5-76L01830. NR 23 TC 0 Z9 0 U1 0 U2 0 PU SIAM PUBLICATIONS PI PHILADELPHIA PA 3600 UNIV CITY SCIENCE CENTER, PHILADELPHIA, PA 19104-2688 USA SN 1540-3459 EI 1540-3467 J9 MULTISCALE MODEL SIM JI Multiscale Model. Simul. PY 2016 VL 14 IS 4 BP 1341 EP 1376 DI 10.1137/15M1022537 PG 36 WC Mathematics, Interdisciplinary Applications; Physics, Mathematical SC Mathematics; Physics GA EH5WH UT WOS:000391843200007 ER PT S AU Koudelka, ML Dorsey, DJ AF Koudelka, Melissa L. Dorsey, Daniel J. GP IEEE TI A Modular NMF Matching Algorithm for Radiation Spectra SO PROCEEDINGS OF 29TH IEEE CONFERENCE ON COMPUTER VISION AND PATTERN RECOGNITION WORKSHOPS, (CVPRW 2016) SE IEEE Computer Society Conference on Computer Vision and Pattern Recognition Workshops LA English DT Proceedings Paper CT 29th IEEE Conference on Computer Vision and Pattern Recognition Workshops (CVPRW) CY JUN 26-JUL 01, 2016 CL Las Vegas, NV SP IEEE, IEEE Comp Soc ID NONNEGATIVE MATRIX FACTORIZATION AB In real-world object identification systems, the operational mission may change from day to day. For example, a target recognition system may be searching for heavy armor one day, and surface-to-air assets the next, or a radiation detection system may be interested in detecting medical isotopes in one instance, and special nuclear material in another. To accommodate this "mission of the day" type scenario, the underlying object database must be flexible and able to adjust to changing target sets. Traditional dimensionality reduction algorithms rely on a single basis set that is derived from the complete set of objects of interest, making mission-specific adjustment a significant task. In this work, we describe a method that uses many limited-size individual basis sets to represent objects of interest instead of a single unifying basis set. Thus, only the objects of interest for the mission at hand are used at any given time, and additional objects can be added to the system simply by training a basis for the new object. We demonstrate the modular identification system on the problem of identifying radioisotopes from their gamma ray spectra using nonnegative matrix factorization. C1 [Koudelka, Melissa L.] Sandia Natl Labs, Sensor Exploitat Applicat, Livermore, CA 94550 USA. [Dorsey, Daniel J.] Sandia Natl Labs, Syst Technol, Livermore, CA 94550 USA. RP Koudelka, ML (reprint author), Sandia Natl Labs, Sensor Exploitat Applicat, Livermore, CA 94550 USA. EM mlkoude@sandia.gov; djdorse@sandia.gov NR 14 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 2160-7508 BN 978-1-5090-1437-8 J9 IEEE COMPUT SOC CONF PY 2016 BP 284 EP 289 DI 10.1109/CVPRW.2016.42 PG 6 WC Computer Science, Artificial Intelligence SC Computer Science GA BG7PP UT WOS:000391572100035 ER PT S AU Alegro, M Amaro, E Loring, B Heinsen, H Alho, E Zollei, L Ushizima, D Grinberg, LT AF Alegro, Maryana Amaro-, Edson, Jr. Loring, Burlen Heinsen, Helmut Alho, Eduardo Zollei, Lilla Ushizima, Daniela Grinberg, Lea T. GP IEEE TI Multimodal Whole Brain Registration: MRI and High Resolution Histology SO PROCEEDINGS OF 29TH IEEE CONFERENCE ON COMPUTER VISION AND PATTERN RECOGNITION WORKSHOPS, (CVPRW 2016) SE IEEE Computer Society Conference on Computer Vision and Pattern Recognition Workshops LA English DT Proceedings Paper CT 29th IEEE Conference on Computer Vision and Pattern Recognition Workshops (CVPRW) CY JUN 26-JUL 01, 2016 CL Las Vegas, NV SP IEEE, IEEE Comp Soc AB Three-dimensional brain imaging through cutting-edge MRI technology allows assessment of physical and chemical tissue properties at sub-millimeter resolution. In order to improve brain understanding as part of diagnostic tasks using MRI images, other imaging modalities to obtain deep cerebral structures and cytoarchitectural boundaries have been investigated. Under availability of postmortem samples, the fusion of MRI to brain histology supports more accurate description of neuroanatomical structures since it preserves microscopic entities and reveal fine anatomical details, unavailable otherwise. Nonetheless, histological processing causes severe tissue deformation and loss of the brain original 3D conformation, preventing direct comparisons between MRI and histology. This paper proposes an interactive computational pipeline designed to register multimodal brain data and enable direct histology-MRI correlation. Our main contribution is to develop schemes for brain data fusion, distortion corrections, using appropriate diffeomorphic mappings to align the 3D histological and MRI volumes. We describe our pipeline and preliminary developments of scalable processing schemes for high-resolution images. Tests consider a postmortem human brain, and include qualitatively and quantitatively results, such as 3D visualizations and the Dice coefficient (DC) between brain structures. Preliminary results show promising DC values when comparing our scheme results to manually labeled neuroanatomical regions defined by a neurosurgeon on MRI and histology data sets. DC was computed for the left caudade gyrus (LC), right hippocampus (RH) and lateral ventricles (LV). C1 [Alegro, Maryana; Grinberg, Lea T.] Univ Calif San Francisco, San Francisco, CA 94143 USA. [Amaro-, Edson, Jr.; Heinsen, Helmut; Alho, Eduardo; Grinberg, Lea T.] Univ Sao Paulo, Sao Paulo, Brazil. [Loring, Burlen; Ushizima, Daniela] Lawrence Berkeley Natl Lab, Berkeley, CA USA. [Loring, Burlen] Natl Energy Res Sci Comp, Berkeley, CA USA. [Heinsen, Helmut] Univ Wurzburg, Wurzburg, Germany. [Zollei, Lilla] Massachusetts Gen Hosp, Boston, MA 02114 USA. [Ushizima, Daniela] Univ Calif Berkeley, Berkeley, CA 94720 USA. RP Alegro, M (reprint author), Univ Calif San Francisco, San Francisco, CA 94143 USA. EM maryana.alegro@ucsf.edu; eamaro@usp.br; bloring@lbl.gov; heinsen@uni-wuerzburg.de; eduardoalho@hotmail.com; lzollei@nmr.mgh.harvard.edu; dushizima@lbl.gov; lea.grinberg@ucsf.edu OI Amaro Jr, Edson/0000-0002-5889-1382 NR 36 TC 0 Z9 0 U1 3 U2 3 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 2160-7508 BN 978-1-5090-1437-8 J9 IEEE COMPUT SOC CONF PY 2016 BP 634 EP 642 DI 10.1109/CVPRW.2016.85 PG 9 WC Computer Science, Artificial Intelligence SC Computer Science GA BG7PP UT WOS:000391572100078 ER PT J AU Wei, YF Singh, L Gallagher, B Buttler, D AF Wei, Yifang Singh, Lisa Gallagher, Brian Buttler, David GP IEEE TI Overlapping Target Event and Story Line Detection of Online Newspaper Articles SO PROCEEDINGS OF 3RD IEEE/ACM INTERNATIONAL CONFERENCE ON DATA SCIENCE AND ADVANCED ANALYTICS, (DSAA 2016) LA English DT Proceedings Paper CT 3rd IEEE/ACM International Conference on Data Science and Advanced Analytics (DSAA) CY OCT 17-19, 2016 CL Montral, CANADA SP IEEE, Amer Stat Assoc, Infosys, IEEE Big Data, Liaoning Tech Univ, Tata Consultancy Serv, KDD, Univ Alberta, Int Inst Data & Anal, IEEE Task Force Data Sci & Adv Analyt, IEEE Task Force Behavioral Econ & Socio Cultural Comp, ACM, IEEE Computat Intelligence Soc, IEEE Comp Soc AB Event detection from text data is an active area of research. While the emphasis has been on event identification and labeling using a single data source, this work considers event and story line detection when using a large number of data sources. In this setting, it is natural for different events in the same domain, e.g. violence, sports, politics, to occur at the same time and for different story lines about the same event to emerge. To capture events in this setting, we propose an algorithm that detects events and story lines about events for a target domain. Our algorithm leverages a multi-relational sentence level semantic graph and well known graph properties to identify overlapping events and story lines within the events. We evaluate our approach on two large data sets containing millions of news articles from a large number of sources. Our empirical analysis shows that our approach improves the detection precision and recall by 10% to 25%, while providing complete event summaries. C1 [Wei, Yifang; Singh, Lisa] Georgetown Univ, Dept Comp Sci, Washington, DC 20057 USA. [Gallagher, Brian; Buttler, David] Lawrence Livermore Natl Lab, Livermore, CA USA. RP Wei, YF (reprint author), Georgetown Univ, Dept Comp Sci, Washington, DC 20057 USA. EM yw255@georgetown.edu; lisa.singh@georgetown.edu; gallagher23@llnl.gov; buttler1@llnl.gov NR 33 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA BN 978-1-5090-5206-6 PY 2016 BP 222 EP 232 DI 10.1109/DSAA.2016.30 PG 11 WC Computer Science, Information Systems SC Computer Science GA BG7PT UT WOS:000391583800024 ER PT J AU Chan, CP Bachan, JD Kenny, JP Wilke, JJ Beckner, VE Almgren, AS Bell, JB AF Chan, Cy P. Bachan, John D. Kenny, Joseph P. Wilke, Jeremiah J. Beckner, Vincent E. Almgren, Ann S. Bell, John B. GP ACM TI Topology-Aware Performance Optimization and Modeling of Adaptive Mesh Refinement Codes for Exascale SO PROCEEDINGS OF FIRST WORKSHOP ON OPTIMIZATION OF COMMUNICATION IN HPC RUNTIME SYSTEMS (COM-HPC 2016) LA English DT Proceedings Paper CT 1st Workshop on Optimization of Communication in HPC Runtime Systems (COM-HPC) CY NOV 13-18, 2016 CL Salt Lake, UT SP ACM, IEEE Comp Soc, SIGHPC AB We introduce a topology-aware performance optimization and modeling workflow for AMR simulation that includes two new modeling tools, ProgrAMR and Mota Mapper, which interface with the BoxLib AMR framework and the SST-macro network simulator. ProgrAMR allows us to generate and model the execution of task dependency graphs from high-level specifications of AMR-based applications, which we demonstrate by analyzing two example AMR-based multigrid solvers with varying degrees of asynchrony. Mota Mapper generates multi-objective, network topology-aware box mappings, which we apply to optimize the data layout for the example multigrid solvers. While the sensitivity of these solvers to layout and execution strategy appears to be modest for balanced scenarios, the impact of better mapping algorithms can be significant when performance is highly constrained by network hop latency. Furthermore, we show that network latency in the multigrid bottom solve is the main contributing factor preventing good scaling on exascale-class machines. C1 [Chan, Cy P.; Bachan, John D.; Beckner, Vincent E.; Almgren, Ann S.; Bell, John B.] Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA. [Kenny, Joseph P.; Wilke, Jeremiah J.] Sandia Natl Labs, Livermore, CA USA. RP Chan, CP (reprint author), Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA. EM cychan@lbl.gov; jdbachan@lbl.gov; jpkenny@sandia.gov; jjwilke@sandia.gov; vebeckner@lbl.gov; asalmgren@lbl.gov; jbbell@lbl.gov FU Office of Advanced Scientific Computing Research in the Department of Energy Office of Science [AC02-05CH11231]; United States Department of Energy's National Nuclear Security Administration [DE-AC04-94AL85000]; DOE Center for Exascale Simulation of Combustion in Turbulence (ExaCT) FX All authors from Lawrence Berkeley National Laboratory were supported by the Office of Advanced Scientific Computing Research in the Department of Energy Office of Science under contract number DE-AC02-05CH11231. Sandia National Laboratories is a multiprogram laboratory operated by Sandia Corporation, a Lockheed Martin Company, for the United States Department of Energy's National Nuclear Security Administration under contract DE-AC04-94AL85000. This work was funded under the DOE Center for Exascale Simulation of Combustion in Turbulence (ExaCT). NR 35 TC 0 Z9 0 U1 0 U2 0 PU ASSOC COMPUTING MACHINERY PI NEW YORK PA 1515 BROADWAY, NEW YORK, NY 10036-9998 USA BN 978-1-5090-3829-9 PY 2016 BP 17 EP 28 DI 10.1109/COM-HPC.2016.8 PG 12 WC Computer Science, Theory & Methods SC Computer Science GA BG7XF UT WOS:000391894500003 ER PT J AU Fu, HS Pophale, S Venkata, MG Yu, WK AF Fu, Huansong Pophale, Swaroop Venkata, Manjunath Gorentla Yu, Weikuan GP ACM TI DISP: Optimizations towards Scalable MPI Startup SO PROCEEDINGS OF FIRST WORKSHOP ON OPTIMIZATION OF COMMUNICATION IN HPC RUNTIME SYSTEMS (COM-HPC 2016) LA English DT Proceedings Paper CT 1st Workshop on Optimization of Communication in HPC Runtime Systems (COM-HPC) CY NOV 13-18, 2016 CL Salt Lake, UT SP ACM, IEEE Comp Soc, SIGHPC ID INTERFACE; SYSTEMS AB Despite the popularity of MPI for high performance computing, the startup of MPI programs faces a scalability challenge as both the execution time and memory consumption increase drastically at scale. We have examined this problem using the collective modules of Cheetah and Tuned in Open MPI as representative implementations. Previous improvements for collectives have focused on algorithmic advances and hardware off-load. In this paper, we examine the startup cost of the collective module within a communicator and explore various techniques to improve its efficiency and scalability. Accordingly, we have developed a new scalable startup scheme with three internal techniques, namely Delayed Initialization, Module Sharing and Prediction-based Topology Setup (DISP). Our DISP scheme greatly benefits the collective initialization of the Cheetah module. At the same time, it helps boost the performance of non-collective initialization in the Tuned module. We evaluate the performance of our implementation on Titan supercomputer at ORNL with up to 4096 processes. The results show that our delayed initialization can speed up the startup of Tuned and Cheetah by an average of 32.0% and 29.2%, respectively, our module sharing can reduce the memory consumption of Tuned and Cheetah by up to 24.1% and 83.5%, respectively, and our prediction-based topology setup can speed up the startup of Cheetah by up to 80%. C1 [Fu, Huansong; Yu, Weikuan] Florida State Univ, Dept Comp Sci, Tallahassee, FL 32303 USA. [Pophale, Swaroop; Venkata, Manjunath Gorentla] Oak Ridge Natl Lab, Comp Sci & Math Div, Oak Ridge, TN USA. RP Fu, HS (reprint author), Florida State Univ, Dept Comp Sci, Tallahassee, FL 32303 USA. EM fu@cs.fsu.edu; pophaless@ornl.gov; manjugv@ornl.gov; yuw@cs.fsu.edu NR 20 TC 0 Z9 0 U1 0 U2 0 PU ASSOC COMPUTING MACHINERY PI NEW YORK PA 1515 BROADWAY, NEW YORK, NY 10036-9998 USA BN 978-1-5090-3829-9 PY 2016 BP 53 EP 62 DI 10.1109/COM-HPC.2016.11 PG 10 WC Computer Science, Theory & Methods SC Computer Science GA BG7XF UT WOS:000391894500006 ER PT J AU Tessier, F Malakar, P Vishwanath, V Jeannot, E Isaila, F AF Tessier, Francois Malakar, Preeti Vishwanath, Venkatram Jeannot, Emmanuel Isaila, Florin GP ACM TI Topology-Aware Data Aggregation for Intensive I/O on Large-Scale Supercomputers SO PROCEEDINGS OF FIRST WORKSHOP ON OPTIMIZATION OF COMMUNICATION IN HPC RUNTIME SYSTEMS (COM-HPC 2016) LA English DT Proceedings Paper CT 1st Workshop on Optimization of Communication in HPC Runtime Systems (COM-HPC) CY NOV 13-18, 2016 CL Salt Lake, UT SP ACM, IEEE Comp Soc, SIGHPC AB Reading and writing data efficiently from storage systems is critical for high performance data-centric applications. These I/O systems are being increasingly characterized by complex topologies and deeper memory hierarchies. Effective parallel I/O solutions are needed to scale applications on current and future supercomputers. Data aggregation is an efficient approach consisting of electing some processes in charge of aggregating data from a set of neighbors and writing the aggregated data into storage. Thus, the bandwidth use can be optimized while the contention is reduced. In this work, we take into account the network topology for mapping aggregators and we propose an optimized buffering system in order to reduce the aggregation cost. We validate our approach using micro-benchmarks and the I/O kernel of a large-scale cosmology simulation. We show improvements up to 15x faster for I/O operations compared to a standard implementation of MPI I/O. C1 [Tessier, Francois; Malakar, Preeti; Vishwanath, Venkatram] Argonne Natl Lab, Argonne Leadership Comp Facil, Lemont, IL 60439 USA. [Jeannot, Emmanuel] Inria Bordeaux Sud Ouest, Talence, France. [Isaila, Florin] Univ Carlos III, Madrid, Spain. RP Tessier, F (reprint author), Argonne Natl Lab, Argonne Leadership Comp Facil, Lemont, IL 60439 USA. EM ftessier@anl.gov; pmalakar@anl.gov; venkat@anl.gov; emmanuel.jeannot@inria.fr; florin@arcos.inf.uc3m.es FU Office of Science of the U.S. Department of Energy [DE-AC02-06CH11357]; DOE Office of Science, ASCR [57L32, 57L11, 57K50, 5080500]; NCSA-Inria-ANL-BSC-JSC-Riken Joint-Laboratory on Extreme Scale Computing (JLESC); European Union Seventh Framework Programme FP7 [328582] FX This research has been funded in part and used resources of the Argonne Leadership Computing Facility at Argonne National Laboratory, which is supported by the Office of Science of the U.S. Department of Energy under contract no. DE-AC02-06CH11357. This work was supported in part by the DOE Office of Science, ASCR, under award numbers 57L32, 57L11, 57K50, and 5080500. This research is partially supported by the NCSA-Inria-ANL-BSC-JSC-Riken Joint-Laboratory on Extreme Scale Computing (JLESC). The research leading to these results has been partially supported by funding from the European Union Seventh Framework Programme (FP7/2007-2013) under grant agreement number 328582. NR 19 TC 0 Z9 0 U1 0 U2 0 PU ASSOC COMPUTING MACHINERY PI NEW YORK PA 1515 BROADWAY, NEW YORK, NY 10036-9998 USA BN 978-1-5090-3829-9 PY 2016 BP 73 EP 81 DI 10.1109/COM-HPC.2016.13 PG 9 WC Computer Science, Theory & Methods SC Computer Science GA BG7XF UT WOS:000391894500008 ER PT J AU Edwards, N Kao, G Hamlet, J Bailon, J Liptak, S AF Edwards, Nathan Kao, Gio Hamlet, Jason Bailon, John Liptak, Shane GP Acad Conf Ltd TI Supply Chain Decision Analytics: Application and Case Study for Critical Infrastructure Security SO PROCEEDINGS OF THE 11TH INTERNATIONAL CONFERENCE ON CYBER WARFARE AND SECURITY (ICCWS 2016) LA English DT Proceedings Paper CT 11th International Conference on Cyber Warfare and Security (ICCWS) CY MAR 17-18, 2016 CL Boston Univ, Boston, MA HO Boston Univ DE supply chain risk management; supply chain security; risk analysis; decision support systems; security; critical infrastructure AB Today's globalized supply chains are complex systems of systems characterized by a conglomeration of interconnected networks and dependencies. There is a constant supply and demand for materials and information exchange with many entities such as people, organizations, processes, services, products, and infrastructure at various levels of involvement. Fully comprehending supply chain risk (SCR) is a challenging problem, as attacks can be initiated at any point within the system lifecycle and can have detrimental effects to mission assurance. Counterfeit items, from individual components to entire systems, have been found in commercial and government systems. Cyber-attacks have been enabled by suppliers' lack of security. Furthermore, there have been recent trends to incorporate supply chain security to help defend against potential cyber-attacks, however, we find that traditional supply chain risk reduction and screening methods do not typically identify intrinsic vulnerabilities of realized systems. This paper presents the application of a supply chain decision analytics framework for assisting decision makers in performing risk-based cost-benefit prioritization of security investments to manage SCR. It also presents results from a case study along with discussions on data collection and pragmatic insight to supply chain security approaches. This case study considers application of the framework in analyzing the supply chain of a United States Government critical infrastructure construction project, clarifies gaps between supply chain analysis and technical vulnerability analysis, and illustrates how the framework can be used to identify supply chain threats and to suggest mitigations. C1 [Edwards, Nathan; Kao, Gio; Hamlet, Jason; Bailon, John] Sandia Natl Labs, Albuquerque, NM 87185 USA. RP Edwards, N (reprint author), Sandia Natl Labs, Albuquerque, NM 87185 USA. EM njedwar@sandia.gov; gkkao@sandia.gov; jrhamle@sandia.gov; jbailo@sandia.gov NR 12 TC 0 Z9 0 U1 1 U2 1 PU ACAD CONFERENCES LTD PI NR READING PA CURTIS FARM, KIDMORE END, NR READING, RG4 9AY, ENGLAND BN 978-1-910810-83-5 PY 2016 BP 98 EP 106 PG 9 WC Computer Science, Theory & Methods; International Relations SC Computer Science; International Relations GA BG7SM UT WOS:000391660200012 ER PT J AU Han, K Lee, S Jang, JY Jung, Y Lee, D AF Han, Kyungsik Lee, Sanghack Jang, Jin Yea Jung, Yong Lee, Dongwon GP ACM TI "Teens are from Mars, Adults are from Venus": Analyzing and Predicting Age Groups with Behavioral Characteristics in Instagram SO PROCEEDINGS OF THE 2016 ACM WEB SCIENCE CONFERENCE (WEBSCI'16) LA English DT Proceedings Paper CT 8th ACM Web Science Conference (WebSci) CY MAY 22-25, 2016 CL Hannover, GERMANY SP Assoc Comp Machinery, ACM Special Interest Grp Hypertext, Hypermedia & Web, Leibniz Univ Hannover, Forschungszentrum Res Ctr, Webscience Trust DE Teens in social media; behavioral patterns and detection of teens in social media; comparative analysis ID NETWORKING SITES AB We present behavioral characteristics of teens and adults in Instagram and prediction of them from their behaviors. Based on two independently created datasets from user profiles and tags, we identify teens and adults, and carry out comparative analyses on their online behaviors. Our study reveals: (1) significant behavioral differences between two age groups; (2) the empirical evidence of classifying teens and adults with up to 82% accuracy, using traditional predictive models, while two baseline methods achieve 68% at best; and (3) the robustness of our models by achieving 76%-81% when tested against an independent dataset obtained without using user profiles or tags. Our datasets are available at: https://goo.gl/LqTYNv C1 [Han, Kyungsik] Pacific Northwest Natl Lab, Richland, WA 99354 USA. [Lee, Sanghack; Jang, Jin Yea; Jung, Yong; Lee, Dongwon] Penn State Univ, University Pk, PA 16802 USA. RP Han, K (reprint author), Pacific Northwest Natl Lab, Richland, WA 99354 USA. EM kyungsik.han@pnnl.gov; sxl439@psu.edu; jzj157@psu.edu; yuj114@psu.edu; dongwon@psu.edu RI Han, Kyungsik/D-3010-2017 OI Han, Kyungsik/0000-0001-5535-0081 FU NSF [CNS-1422215, IUSE-1525601]; Samsung GRO awards FX This research was in part supported by NSF CNS-1422215, NSF IUSE-1525601, and Samsung GRO 2015 awards. NR 39 TC 0 Z9 0 U1 0 U2 0 PU ASSOC COMPUTING MACHINERY PI NEW YORK PA 1515 BROADWAY, NEW YORK, NY 10036-9998 USA PY 2016 BP 35 EP 44 DI 10.1145/2908131.2908160 PG 10 WC Computer Science, Information Systems; Social Sciences, Mathematical Methods SC Computer Science; Mathematical Methods In Social Sciences GA BG7QM UT WOS:000391621700015 ER PT J AU Zheng, SJ Han, K Rosson, MB Carroll, JM AF Zheng, Saijing Han, Kyungsik Rosson, Mary Beth Carroll, John M. GP ACM TI The Role of Social Media in MOOCs: How to Use Social Media to Enhance Student Retention SO PROCEEDINGS OF THE THIRD (2016) ACM CONFERENCE ON LEARNING @ SCALE (L@S 2016) LA English DT Proceedings Paper CT 3rd Annual ACM Conference on Learning at Scale (L at S) CY APR 25-26, 2016 CL Univ Edinburgh, Edinburgh, SCOTLAND SP Assoc Comp Machinery HO Univ Edinburgh DE Massive Open Online Course; MOOCs; Social Media; Facebook; Coursera; Mixed Method ID ENVIRONMENTS AB The Massive Open Online Courses (MOOC) have experienced rapid development. However, high dropout rate has become a salient issue. Many studies have attempted to understand this phenomenon; other have explored mechanisms for enhancing retention. For instance, social media has been used to improve student engagement and retention. However there is a lack of (1) empirical studies of social media use and engagement compared to embedded MOOC forums; and (2) rationales for social media use from both instructors' and students' perspectives. We addressed these open issues through the collection and analysis of real usage data from three MOOC forums and their associated social media (i.e., Facebook) groups as well as conducting interviews of instructors and students. We found that students show higher engagement and retention in social media than in MOOC forums, and identified both instructors' and students' perspectives that lead to the results. We discuss design implications for future MOOC platforms. C1 [Zheng, Saijing; Rosson, Mary Beth; Carroll, John M.] Penn State Univ, Coll Informat Sci & Technol, University Pk, PA 16802 USA. [Han, Kyungsik] Pacific Northwest Natl Lab, Richland, WA 99352 USA. RP Zheng, SJ (reprint author), Penn State Univ, Coll Informat Sci & Technol, University Pk, PA 16802 USA. EM suz128@ist.psu.edu; kyungsik.han@pnnl.gov; mrosson@ist.psu.edu; jcarroll@ist.psu.edu RI Han, Kyungsik/D-3010-2017; OI Han, Kyungsik/0000-0001-5535-0081; Carroll, John/0000-0001-5189-337X NR 31 TC 1 Z9 1 U1 1 U2 1 PU ASSOC COMPUTING MACHINERY PI NEW YORK PA 1515 BROADWAY, NEW YORK, NY 10036-9998 USA BN 978-1-4503-3726-7 PY 2016 BP 419 EP 428 DI 10.1145/2876034.2876047 PG 10 WC Computer Science, Interdisciplinary Applications; Education & Educational Research SC Computer Science; Education & Educational Research GA BG7QN UT WOS:000391624800086 ER PT J AU Li, XL Zhang, ZC Martin, LR Luo, SZ Rao, LF AF Li, Xingliang Zhang, Zhicheng Martin, Leigh R. Luo, Shunzhong Rao, Linfeng TI Complexation of NpO2+ with (2-hydroxyethyl) ethylenediaminetriacetic acid (HEDTA) in aqueous solutions: thermodynamic studies and structural analysis SO RSC ADVANCES LA English DT Article ID HANFORD DEFENSE WASTE; HIGH IONIC-STRENGTH; EQUILIBRIUM-CONSTANTS; ETHYLENEDIAMINETETRAACETIC ACID; NEPTUNIUM(V); EDTA; SPECTROSCOPY; STRONTIUM; LIGANDS; PROGRAM AB Complexation of Np(V) with N-(2-hydroxyethyl) ethylenediaminetriacetic acid (HEDTA) was studied in aqueous solution (I = 1.0 mol L-1 NaClO4, t = 25 degrees C) by spectrophotometry, microcalorimetry and Extended X-ray absorption fine structure (EXAFS) spectroscopy. Equilibrium constants for the formation of three complexes, NpO2L2-, NpO2(HL)(-), and (NpO2)2(OH)(2)L-2(6-), were determined to be (6.91 +/- 0.06), (4.28 +/- 0.03) and -(4.93 +/- 0.03), respectively. The enthalpies of complexation were determined to be -(8.0 +/- 2.0) kJ mol(-1) for NpO2L2- and -(2.2 +/- 2.0) kJ mol(-1) for NpO2(HL)(-). Thermodynamic data of the complexation of Np(V) with HEDTA were compared to those of Np(V) with other aminopolycarboxylic acids, gaining insight into the possible coordination modes of the complexes. The EXAFS studies provided further structural information on those modes. In both NpO2L2- and NpO2(HL)(-) complexes, HEDTA coordinates to Np(V) in a tridentate mode through two oxygens of two carboxylic groups and one nitrogen of the amine group. In the (NpO2)(2)(OH)(2)L-2(6-) complex, two Np(V) atoms are bridged by two hydroxides and each HEDTA maintains the tridentate coordination mode. C1 [Li, Xingliang; Zhang, Zhicheng; Rao, Linfeng] Lawrence Berkeley Natl Lab, Chem Sci Div, Berkeley, CA 94720 USA. [Li, Xingliang; Luo, Shunzhong] China Acad Engn Phys, Inst Nucl Phys & Chem, Mianyang 621999, Sichuan, Peoples R China. [Martin, Leigh R.] Idaho Natl Lab, Aqueous Separat & Radiochem Dept, POB 1625, Idaho Falls, ID 83415 USA. [Martin, Leigh R.] Oak Ridge Natl Lab, Nucl Sci & Isotope Technol Div, Oak Ridge, TN 37831 USA. RP Zhang, ZC (reprint author), Lawrence Berkeley Natl Lab, Chem Sci Div, Berkeley, CA 94720 USA.; Luo, SZ (reprint author), China Acad Engn Phys, Inst Nucl Phys & Chem, Mianyang 621999, Sichuan, Peoples R China. EM lxzhang@lbl.gov; luoshzh@caep.cn FU Fuel Cycle Research and Development (FCR&D) Thermodynamics and Kinetics Program, Office of Nuclear Energy, the U.S. Department of Energy at Lawrence Berkeley National Laboratory [DE-AC02-05CH11231]; DOE NE FCR&D Thermodynamics and Kinetics program, under DOE Idaho Operations Office [DE-AC07-05ID14517] FX This work was supported by the Fuel Cycle Research and Development (FCR&D) Thermodynamics and Kinetics Program, Office of Nuclear Energy, the U.S. Department of Energy under Contract Number DE-AC02-05CH11231 at Lawrence Berkeley National Laboratory. L. R. Martin acknowledges the support from DOE NE FCR&D Thermodynamics and Kinetics program, under DOE Idaho Operations Office Contract DE-AC07-05ID14517 while preparing this manuscript. The EXAFS data were collected at Stanford Synchrotron Radiation Laboratory (SSRL). SSRL is a user facility operated for the U.S. DOE by Stanford University. NR 35 TC 0 Z9 0 U1 2 U2 2 PU ROYAL SOC CHEMISTRY PI CAMBRIDGE PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS, ENGLAND SN 2046-2069 J9 RSC ADV JI RSC Adv. PY 2016 VL 6 IS 115 BP 114916 EP 114926 DI 10.1039/c6ra17818a PG 11 WC Chemistry, Multidisciplinary SC Chemistry GA EH0ME UT WOS:000391457400121 ER PT J AU Ballard, G Benson, AR Druinsky, A Lipshitz, B Schwartz, O AF Ballard, Grey Benson, Austin R. Druinsky, Alex Lipshitz, Benjamin Schwartz, Oded TI IMPROVING THE NUMERICAL STABILITY OF FAST MATRIX MULTIPLICATION SO SIAM JOURNAL ON MATRIX ANALYSIS AND APPLICATIONS LA English DT Article DE practical fast matrix multiplication; error bounds; diagonal scaling ID PRACTICAL ALGORITHMS; COMPLEXITY AB Fast algorithms for matrix multiplication, namely those that perform asymptotically fewer scalar operations than the classical algorithm, have been considered primarily of theoretical interest. Apart from Strassen's original algorithm, few fast algorithms have been efficiently implemented or used in practical applications. However, there exist many practical alternatives to Strassen's algorithm with varying performance and numerical properties. Fast algorithms are known to be numerically stable, but because their error bounds are slightly weaker than the classical algorithm, they are not used even in cases where they provide a performance benefit. We argue in this paper that the numerical sacrifice of fast algorithms, particularly for the typical use cases of practical algorithms, is not prohibitive, and we explore ways to improve the accuracy both theoretically and empirically. The numerical accuracy of fast matrix multiplication depends on properties of the algorithm and of the input matrices, and we consider both contributions independently. We generalize and tighten previous error analyses of fast algorithms and compare their properties. We discuss algorithmic techniques for improving the error guarantees from two perspectives: manipulating the algorithms, and reducing input anomalies by various forms of diagonal scaling. Finally, we benchmark performance and demonstrate our improved numerical accuracy. C1 [Ballard, Grey] Sandia Natl Labs, Livermore, CA 94550 USA. [Ballard, Grey] Wake Forest Univ, Dept Comp Sci, Winston Salem, NC 27109 USA. [Benson, Austin R.] Stanford Univ, Inst Computat & Math Engn, Stanford, CA 94305 USA. [Druinsky, Alex] Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA. [Schwartz, Oded] Hebrew Univ Jerusalem, Sch Comp Sci & Engn, IL-9190416 Jerusalem, Israel. RP Ballard, G (reprint author), Sandia Natl Labs, Livermore, CA 94550 USA.; Ballard, G (reprint author), Wake Forest Univ, Dept Comp Sci, Winston Salem, NC 27109 USA. EM ballard@wfu.edu; arbenson@stanford.edu; adruinsky@lbl.gov; benjamin.lipshitz@gmail.com; odedsc@cs.huji.ac.il FU Sandia Corporation [DE-AC04-94AL85000]; Office of Technology Licensing Stanford Graduate Fellowship; U.S. Department of Energy (DOE), Office of Science, Office of Advanced Scientific Computing Research (ASCR), Applied Mathematics program [DE-AC02-05CH11231]; Israel Science Foundation [1878/14, 1901/14]; Ministry of Science and Technology, Israel [3-10891]; Einstein Foundation; Minerva Foundation; Intel Collaborative Research Institute for Computational Intelligence (ICRI-CI); United States-Israel Binational Science Foundation (BSF), Jerusalem, Israel; HUJI Cyber Security Research Center; Israel National Cyber Bureau in the Prime Minister's Office FX The first author was supported by an appointment to the Sandia National Laboratories Truman Fellowship in National Security Science and Engineering, sponsored by Sandia Corporation (a wholly owned subsidiary of Lockheed Martin Corporation) as operator of Sandia National Laboratories under its U.S. Department of Energy contract DE-AC04-94AL85000. The second author was supported by an Office of Technology Licensing Stanford Graduate Fellowship. This material is based upon work of the third author supported by the U.S. Department of Energy (DOE), Office of Science, Office of Advanced Scientific Computing Research (ASCR), Applied Mathematics program under contract DE-AC02-05CH11231. The fifth author was supported by grants 1878/14 and 1901/14 from the Israel Science Foundation (founded by the Israel Academy of Sciences and Humanities) and grant 3-10891 from the Ministry of Science and Technology, Israel; the Einstein Foundation and the Minerva Foundation; the Intel Collaborative Research Institute for Computational Intelligence (ICRI-CI); a grant from the United States-Israel Binational Science Foundation (BSF), Jerusalem, Israel; and the HUJI Cyber Security Research Center in conjunction with the Israel National Cyber Bureau in the Prime Minister's Office. NR 25 TC 0 Z9 0 U1 0 U2 0 PU SIAM PUBLICATIONS PI PHILADELPHIA PA 3600 UNIV CITY SCIENCE CENTER, PHILADELPHIA, PA 19104-2688 USA SN 0895-4798 EI 1095-7162 J9 SIAM J MATRIX ANAL A JI SIAM J. Matrix Anal. Appl. PY 2016 VL 37 IS 4 BP 1382 EP 1418 DI 10.1137/15M1032168 PG 37 WC Mathematics, Applied SC Mathematics GA EH6BL UT WOS:000391857300002 ER PT J AU Laiu, MP Hauck, CD Mcclarren, RG O'Leary, DP Tits, AL AF Laiu, M. Paul Hauck, Cory D. Mcclarren, Ryan G. O'Leary, Dianne P. Tits, Andre L. TI POSITIVE FILTERED P-N MOMENT CLOSURES FOR LINEAR KINETIC EQUATIONS SO SIAM JOURNAL ON NUMERICAL ANALYSIS LA English DT Article DE kinetic equation; moment closure; spectral methods; filtering; positivity preserving; spherical harmonic expansion ID ENTROPY-BASED CLOSURES; MAXIMUM-ENTROPY; RADIATION TRANSPORT; NEUTRON-TRANSPORT; RIEMANN SOLVERS; SOBOLEV SPACES; SLAB GEOMETRY; ORDER; SPHERE; OPTIMIZATION AB We propose a positive-preserving moment closure for linear kinetic transport equations based on a filtered spherical harmonic (FPN) expansion in the angular variable. The recently proposed FPN moment equations are known to suffer from the occurrence of (unphysical) negative particle concentrations. The origin of this problem is that the FPN approximation is not always positive at the kinetic level; the new FPN+ closure is developed to address this issue. A new spherical harmonic expansion is computed via the solution of an optimization problem, with constraints that enforce positivity, but only on a finite set of preselected points. Combined with an appropriate PDE solver for the moment equations, this ensures positivity of the particle concentration at each step in the time integration. Under an additional, mild regularity assumption, we prove that FPN+ has the same consistency as FPN; that is, the FPN+ approximation converges to a given target function in L-2 at the same rate as the FPN approximation. Numerical tests suggest that this additional assumption may not be necessary. We also simulate the challenging line source benchmark problem using several different choices of closure. Among the choices that preserve positivity of the particle concentration, the proposed FPN+ closure gives the most accurate solution to the line source problem and does so in the least computational time. In addition, we observe that for a regularized version of the line source problem, the FPN+ closure does not affect the space-time convergence rate of the PDE solver. C1 [Laiu, M. Paul; Tits, Andre L.] Univ Maryland, Dept Elect & Comp Engn, College Pk, MD 20742 USA. [Laiu, M. Paul; Tits, Andre L.] Univ Maryland, Syst Res Inst, College Pk, MD 20742 USA. [Hauck, Cory D.] Oak Ridge Natl Lab, Comp Sci & Math Div, Computat Math Grp, Oak Ridge, TN 37831 USA. [Mcclarren, Ryan G.] Texas A&M Univ, Dept Nucl Engn, College Stn, TX 77843 USA. [O'Leary, Dianne P.] Univ Maryland, Dept Comp Sci, College Pk, MD 20742 USA. [O'Leary, Dianne P.] Univ Maryland, Inst Adv Comp Studies, College Pk, MD 20742 USA. RP Laiu, MP (reprint author), Univ Maryland, Dept Elect & Comp Engn, College Pk, MD 20742 USA.; Laiu, MP (reprint author), Univ Maryland, Syst Res Inst, College Pk, MD 20742 USA. EM mtlaiu@umd.edu; hauckc@ornl.gov; rgm@tamu.edu; oleary@cs.umd.edu; andre@umd.edu FU U.S. Department of Energy [DESC0001862]; U.S. Department of Energy under SCGSR program [DE-AC05-06OR23100]; Office of Advanced Scientific Computing Research; UT-Battelle, LLC [DE-AC05-00OR22725]; National Science Foundation [1217170] FX The first author's research was supported by the U.S. Department of Energy under grant DESC0001862 and the SCGSR program administered by the Oak Ridge Institute for Science and Education under contract DE-AC05-06OR23100. The second author's research was sponsored by the Office of Advanced Scientific Computing Research and performed at the Oak Ridge National Laboratory, which is managed by UT-Battelle, LLC, under contract DE-AC05-00OR22725. The third author's research was supported by the National Science Foundation under grant 1217170. The fourth and fifth authors's research was supported by the U.S. Department of Energy under grant DESC0001862. NR 49 TC 0 Z9 0 U1 0 U2 0 PU SIAM PUBLICATIONS PI PHILADELPHIA PA 3600 UNIV CITY SCIENCE CENTER, PHILADELPHIA, PA 19104-2688 USA SN 0036-1429 EI 1095-7170 J9 SIAM J NUMER ANAL JI SIAM J. Numer. Anal. PY 2016 VL 54 IS 6 BP 3214 EP 3238 DI 10.1137/15M1052871 PG 25 WC Mathematics, Applied SC Mathematics GA EH6AR UT WOS:000391855200002 ER PT J AU Xu, WT Anitescu, M AF Xu, Wanting Anitescu, Mihai TI A LIMITED-MEMORY MULTIPLE SHOOTING METHOD FOR WEAKLY CONSTRAINED VARIATIONAL DATA ASSIMILATION SO SIAM JOURNAL ON NUMERICAL ANALYSIS LA English DT Article DE data assimilation; state space models; multiple shooting; observability; stability ID MODEL-ERROR; UNCERTAINTY; SYSTEMS; WEATHER; 4D-VAR AB Maximum-likelihood-based state estimation for dynamical systems with model error raises computational challenges in memory usage due to the much larger number of free variables when compared to the perfect model case. To address this challenge, we present a limited-memory method for maximum-likelihood-based estimation of state space models. We reduce the memory storage requirements by expressing the optimal states as a function of checkpoints bounding a shooting interval. All states can then be recomputed as needed from a recursion stemming from the optimality conditions. The matching of states at checkpoints is imposed, in a multiple shooting fashion, as constraints on the optimization problem, which is solved with an augmented Lagrangian method. We prove that for nonlinear systems under certain assumptions the condition number of the Hessian matrix of the augmented Lagrangian function is bounded above with respect to the number of shooting intervals. Hence the method is stable for increasing time horizon. The assumptions include satisfying the observability conditions of the linearized system on a shooting interval. We also propose a recursion-based gradient evaluation algorithm for computing the gradient, which in turn allows the algorithm to proceed by storing at any time only the checkpoints and the states on a shooting interval. We demonstrate our findings with simulations in different regimes for Burgers' equation. C1 [Xu, Wanting] Univ Chicago, Dept Stat, Chicago, IL 60637 USA. [Anitescu, Mihai] Argonne Natl Lab, Div Math & Comp Sci, Lemont, IL 60439 USA. RP Xu, WT (reprint author), Univ Chicago, Dept Stat, Chicago, IL 60637 USA. EM wxu@galton.uchicago.edu; anitescu@mcs.anl.gov FU U.S. Department of Energy, Office of Science [DE-AC02-06CH11357] FX This work was supported by the U.S. Department of Energy, Office of Science, under contract DE-AC02-06CH11357. NR 30 TC 0 Z9 0 U1 1 U2 1 PU SIAM PUBLICATIONS PI PHILADELPHIA PA 3600 UNIV CITY SCIENCE CENTER, PHILADELPHIA, PA 19104-2688 USA SN 0036-1429 EI 1095-7170 J9 SIAM J NUMER ANAL JI SIAM J. Numer. Anal. PY 2016 VL 54 IS 6 BP 3300 EP 3331 DI 10.1137/15M1052706 PG 32 WC Mathematics, Applied SC Mathematics GA EH6AR UT WOS:000391855200006 ER PT J AU Cangiani, A Gyrya, V Manzini, G AF Cangiani, Andrea Gyrya, Vitaliy Manzini, Gianmarco TI THE NONCONFORMING VIRTUAL ELEMENT METHOD FOR THE STOKES EQUATIONS SO SIAM JOURNAL ON NUMERICAL ANALYSIS LA English DT Article DE virtual element method; finite element method; polygonal and polyehdral mesh; high-order discretization; Stokes equations ID FINITE-DIFFERENCE METHOD; POLYGONAL MESHES; HIGHER-ORDER; POLYHEDRAL MESHES; ARBITRARY-ORDER; HDG METHODS; DISCRETIZATIONS; APPROXIMATION; TRIANGLES; FLOW AB We present the nonconforming virtual element method (VEM) for the numerical approximation of velocity and pressure in the steady Stokes problem. The pressure is approximated using discontinuous piecewise polynomials, while each component of the velocity is approximated using the nonconforming virtual element space. On each mesh element the local virtual space contains the space of polynomials of up to a given degree, plus suitable nonpolynomial functions. The virtual element functions are implicitly defined as the solution of local Poisson problems with polynomial Neumann boundary conditions. As typical in VEM approaches, the explicit evaluation of the non polynomial functions is not required. This approach makes it possible to construct nonconforming (virtual) spaces for any polynomial degree regardless of the parity, for two- and three-dimensional problems, and for meshes with very general polygonal and polyhedral elements. We show that the nonconforming VEM is inf-sup stable and establish optimal a priori error estimates for the velocity and pressure approximations. Numerical examples confirm the convergence analysis and the effectiveness of the method in providing high-order accurate approximations. C1 [Cangiani, Andrea] Univ Leicester, Dept Math, Univ Rd, Leicester LE1 7RH, Leics, England. [Gyrya, Vitaliy; Manzini, Gianmarco] Los Alamos Natl Lab, Div Theoret, T5 Grp, MS B284, Los Alamos, NM 87545 USA. [Manzini, Gianmarco] CNR, IMATI, Via Ferrata 1, I-27100 Pavia, Italy. RP Cangiani, A (reprint author), Univ Leicester, Dept Math, Univ Rd, Leicester LE1 7RH, Leics, England. EM andrea.cangiani@le.ac.uk; gyrya@lanl.gov; gmanzini@lanl.gov OI Gyrya, Vitaliy/0000-0002-5083-8878 FU Engineering and Physical Sciences Research Council of the United Kingdom [EP/L022745/1]; Laboratory Directed Research and Development program (LDRD), U.S. Department of Energy Office of Science, Office of Fusion Energy Sciences, under National Nuclear Security Administration of the U.S. Department of Energy by Los Alamos National Laboratory [DE-AC52-06NA25396] FX The first author was partially supported by the Engineering and Physical Sciences Research Council of the United Kingdom (grant EP/L022745/1). The second and third authors were partially supported by the Laboratory Directed Research and Development program (LDRD), U.S. Department of Energy Office of Science, Office of Fusion Energy Sciences, under the auspices of the National Nuclear Security Administration of the U.S. Department of Energy by Los Alamos National Laboratory, operated by Los Alamos National Security LLC under contract DE-AC52-06NA25396. NR 38 TC 0 Z9 0 U1 1 U2 1 PU SIAM PUBLICATIONS PI PHILADELPHIA PA 3600 UNIV CITY SCIENCE CENTER, PHILADELPHIA, PA 19104-2688 USA SN 0036-1429 EI 1095-7170 J9 SIAM J NUMER ANAL JI SIAM J. Numer. Anal. PY 2016 VL 54 IS 6 BP 3411 EP 3435 DI 10.1137/15M1049531 PG 25 WC Mathematics, Applied SC Mathematics GA EH6AR UT WOS:000391855200010 ER PT J AU Phillips, EG Shadid, JN Cyr, EC Elman, HC Pawlowski, RP AF Phillips, Edward G. Shadid, John N. Cyr, Eric C. Elman, Howard C. Pawlowski, Roger P. TI BLOCK PRECONDITIONERS FOR STABLE MIXED NODAL AND EDGE FINITE ELEMENT REPRESENTATIONS OF INCOMPRESSIBLE RESISTIVE MHD SO SIAM JOURNAL ON SCIENTIFIC COMPUTING LA English DT Article DE magnetohydrodynamics; preconditioners; mixed finite elements ID ALGEBRAIC MULTIGRID METHOD; MAGNETO-HYDRODYNAMICS; SEMIIMPLICIT SCHEMES; MAXWELLS EQUATIONS; LINEAR-SYSTEMS; IMPLICIT; FORMULATION AB The scalable iterative solution of strongly coupled three-dimensional incompressible resistive magnetohydrodynamics (MHD) equations is very challenging because disparate time scales arise from the electromagnetics, the hydrodynamics, as well as the coupling between these systems. This study considers a mixed finite element discretization of a dual saddle point formulation of the incompressible resistive MHD equations using a stable nodal (Q2/Q1) discretization for the hydrodynamics and a stable edge-node discretization of a reduced form of the Maxwell equations. This paper presents new approximate block factorization preconditioners for this system which reduce the system to approximate Schur complement systems that can be solved using algebraic multilevel methods. These preconditioners include a new augmentation-based approximation for the magnetic induction saddle point system as well as efficient approximations of the Schur complements that arise from the complex coupling between the Navier-Stokes equations and the Maxwell equations. C1 [Phillips, Edward G.; Shadid, John N.; Cyr, Eric C.; Pawlowski, Roger P.] Sandia Natl Labs, Ctr Res Comp, Albuquerque, NM 87185 USA. [Elman, Howard C.] Univ Maryland, Dept Comp Sci, College Pk, MD 20742 USA. [Elman, Howard C.] Univ Maryland, Inst Adv Comp Studies, College Pk, MD 20742 USA. RP Phillips, EG (reprint author), Sandia Natl Labs, Ctr Res Comp, Albuquerque, NM 87185 USA. EM egphill@sandia.gov; jnshadi@sandia.gov; eccyr@sandia.gov; elman@cs.umd.edu; rppawlo@sandia.gov FU U.S. Department of Energy [DE-SC0009301]; Department of Energy Office of Science ASCR Applied Math program at Sandia National Laboratory; United States Department of Energy's National Nuclear Security Administration [DE-AC04-94AL85000] FX This work was partially funded by the U.S. Department of Energy under grant DE-SC0009301 and by the Department of Energy Office of Science ASCR Applied Math program at Sandia National Laboratory. Sandia is a multiprogram laboratory operated by Sandia Corporation, a Lockheed Martin Company, for the United States Department of Energy's National Nuclear Security Administration under contract DE-AC04-94AL85000. NR 35 TC 0 Z9 0 U1 1 U2 1 PU SIAM PUBLICATIONS PI PHILADELPHIA PA 3600 UNIV CITY SCIENCE CENTER, PHILADELPHIA, PA 19104-2688 USA SN 1064-8275 EI 1095-7197 J9 SIAM J SCI COMPUT JI SIAM J. Sci. Comput. PY 2016 VL 38 IS 6 BP B1009 EP B1031 DI 10.1137/16M1074084 PG 23 WC Mathematics, Applied SC Mathematics GA EH5ZY UT WOS:000391853100011 ER PT J AU Azad, A Ballard, G Buluc, A Demmel, J Grigori, L Schwartz, O Toledo, S Williams, S AF Azad, Ariful Ballard, Grey Buluc, Aydin Demmel, James Grigori, Laura Schwartz, Oded Toledo, Sivan Williams, Samuel TI EXPLOITING MULTIPLE LEVELS OF PARALLELISM IN SPARSE MATRIX-MATRIX MULTIPLICATION SO SIAM JOURNAL ON SCIENTIFIC COMPUTING LA English DT Article DE parallel computing; numerical linear algebra; sparse matrix-matrix multiplication; 2.5D algorithms; 3D algorithms; multi threading; SpGEMM; 2D decomposition; graph algorithms ID IMPLEMENTATION; COMMUNICATION; ALGORITHMS; DESIGN; GPU AB Sparse matrix-matrix multiplication (or SpGEMM) is a key primitive for many high-performance graph algorithms as well as for some linear solvers, such as algebraic multigrid. The scaling of existing parallel implementations of SpGEMM is heavily bound by communication. Even though 3D (or 2.5D) algorithms have been proposed and theoretically analyzed in the flat MPI model on Erdos-Renyi matrices, those algorithms had not been implemented in practice and their complexities had not been analyzed for the general case. In this work, we present the first ever implementation of the 3D SpGEMM formulation that also exploits multiple (intra-node and inter-node) levels of parallelism, achieving significant speedups over the state-of-the-art publicly available codes at all levels of concurrencies. We extensively evaluate our implementation and identify bottlenecks that should be subject to further research. C1 [Azad, Ariful; Buluc, Aydin; Williams, Samuel] Lawrence Berkeley Natl Lab, CRD, Berkeley, CA 94720 USA. [Ballard, Grey] Wake Forest Univ, Dept Comp Sci, Winston Salem, NC USA. [Demmel, James] Univ Calif Berkeley, EECS, Berkeley, CA 94720 USA. [Grigori, Laura] INRIA Paris Rocqencourt, F-75005 Paris, France. [Schwartz, Oded] Hebrew Univ Jerusalem, Rothberg A405, Jerusalem, Israel. [Toledo, Sivan] Tel Aviv Univ, Blavatnik Sch Comp Sci, IL-69978 Tel Aviv, Israel. RP Azad, A (reprint author), Lawrence Berkeley Natl Lab, CRD, Berkeley, CA 94720 USA. EM azad@lbl.gov; ballard@wfu.edu; abuluc@lbl.gov; demmel@eecs.berkeley.edu; laura.grigori@inria.fr; odedsc@cs.huji.ac.il; stoledo@tau.ac.il; swwilliams@lbl.gov FU U.S. Department of Energy, Office of Science, Office of Advanced Scientific Computing Research, Applied Mathematics program [DE-AC02-05CH11231]; Sandia Corporation (a wholly owned subsidiary of Lockheed Martin Corporation) as Operator of Sandia National Laboratories under U.S. Department of Energy [DE-AC04-94AL85000]; U.S. Department of Energy Office of Science, Office of Advanced Scientific Computing Research, Applied Mathematics program [DE-SC0010200]; U.S. Department of Energy Office of Science, Office of Advanced Scientific Computing Research, X-Stack program [DE-SC0008699, DE-SC0008700, AC02-05CH11231]; DARPA [HR0011-12-2-0016]; Israel Science Foundation [1878/14, 1901/14]; Ministry of Science and Technology, Israel [3-10891]; Einstein Foundation; Minerva Foundation; HUJI Cyber Security Research Center; Israel National Cyber Bureau in the Prime Minister's Office; Intel Collaborative Research Institute for Computational Intelligence (ICRI-CI); United States-Israel Binational Science Foundation (BSF), Jerusalem, Israel; Office of Science of the U.S. Department of Energy [DE-AC02-05CH11231, DE-AC05-00OR22725] FX This material is based upon work supported by the U.S. Department of Energy, Office of Science, Office of Advanced Scientific Computing Research, Applied Mathematics program under contract DE-AC02-05CH11231. This research was supported in part by an appointment to the Sandia National Laboratories Truman Fellowship in National Security Science and Engineering, sponsored by Sandia Corporation (a wholly owned subsidiary of Lockheed Martin Corporation) as Operator of Sandia National Laboratories under its U.S. Department of Energy Contract DE-AC04-94AL85000. The research of some of the authors was supported by the U.S. Department of Energy Office of Science, Office of Advanced Scientific Computing Research, Applied Mathematics program under award DE-SC0010200, by the U.S. Department of Energy Office of Science, Office of Advanced Scientific Computing Research, X-Stack program under awards DE-SC0008699, DE-SC0008700, and AC02-05CH11231, and by DARPA award HR0011-12-2-0016, with contributions from Intel, Oracle, and MathWorks. Research is supported by grants 1878/14 and 1901/14 from the Israel Science Foundation (founded by the Israel Academy of Sciences and Humanities) and grant 3-10891 from the Ministry of Science and Technology, Israel. Research is also supported by the Einstein Foundation and the Minerva Foundation.This work was supported by the HUJI Cyber Security Research Center in conjunction with the Israel National Cyber Bureau in the Prime Minister's Office. This paper is supported by the Intel Collaborative Research Institute for Computational Intelligence (ICRI-CI). This research was supported by a grant from the United States-Israel Binational Science Foundation (BSF), Jerusalem, Israel. This research used resources of the National Energy Research Scientific Computing Center, which is supported by the Office of Science of the U.S. Department of Energy under contract DE-AC02-05CH11231, and resources of the Oak Ridge Leadership Facility at the Oak Ridge National Laboratory, which is supported by the Office of Science of the U.S. Department of Energy under contract DE-AC05-00OR22725. NR 45 TC 0 Z9 0 U1 0 U2 0 PU SIAM PUBLICATIONS PI PHILADELPHIA PA 3600 UNIV CITY SCIENCE CENTER, PHILADELPHIA, PA 19104-2688 USA SN 1064-8275 EI 1095-7197 J9 SIAM J SCI COMPUT JI SIAM J. Sci. Comput. PY 2016 VL 38 IS 6 BP C624 EP C651 PG 28 WC Mathematics, Applied SC Mathematics GA EH5ZY UT WOS:000391853100002 ER PT S AU Karpov, D Rolo, TD Rich, H Kryuchkov, Y Kiefer, B Fohtung, E AF Karpov, Dmitry Rolo, Tomy dos Santos Rich, Hannah Kryuchkov, Yuriy Kiefer, Boris Fohtung, E. BE Drouhin, HJ Wegrowe, JE Razeghi, M TI Birefringent Coherent Diffraction Imaging SO SPINTRONICS IX SE Proceedings of SPIE LA English DT Proceedings Paper CT 9th Spintronics Symposium / SPIE Conference CY AUG 28-SEP 01, 2016 CL San Diego, CA SP SPIE DE Birefringence; Coherent Diffraction Imaging; Phase Retrieval; Anisotropy; Liquid Crystal; Lasers; X-rays ID LIQUID-CRYSTALS; PHASE; ALIGNMENT; DOMAINS; SILICON; LIGHT; GELS AB Directional dependence of the index of refraction contains a wealth of information about anisotropic optical properties in semiconducting and insulating materials. Here we present a novel high-resolution lens-less technique that uses birefringence as a contrast mechanism to map the index of refraction and dielectric permittivity in optically anisotropic materials. We applied this approach successfully to a liquid crystal polymer film using polarized light from helium neon laser. This approach is scalable to imaging with diffraction-limited resolution, a prospect rapidly becoming a reality in view of emergent brilliant X-ray sources. Applications of this novel imaging technique are in disruptive technologies, including novel electronic devices, in which both charge and spin carry information as in multiferroic materials and photonic materials such as light modulators and optical storage. C1 [Karpov, Dmitry; Rich, Hannah; Kiefer, Boris; Fohtung, E.] New Mexico State Univ, Dept Phys, Las Cruces, NM 88003 USA. [Karpov, Dmitry; Kryuchkov, Yuriy] Tomsk Polytech Univ TPU, Phys Tech Inst, Lenin Ave 30, Tomsk 634050, Russia. [Rolo, Tomy dos Santos] Karlsruhe Inst Technol, ANKA Inst Accelerator Phys & Technol, D-76344 Eggenstein Leopoldshafen, Germany. [Fohtung, E.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA. RP Fohtung, E (reprint author), New Mexico State Univ, Dept Phys, Las Cruces, NM 88003 USA.; Fohtung, E (reprint author), Los Alamos Natl Lab, Los Alamos, NM 87545 USA. EM efohtung@nmsu.edu OI Fohtung, Edwin/0000-0001-5598-0446; dos Santos Rolo, Tomy/0000-0002-9771-3511 NR 42 TC 0 Z9 0 U1 0 U2 0 PU SPIE-INT SOC OPTICAL ENGINEERING PI BELLINGHAM PA 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA SN 0277-786X BN 978-1-5106-0254-0 J9 PROC SPIE PY 2016 VL 9931 AR UNSP 99312F DI 10.1117/12.2235865 PG 16 WC Engineering, Electrical & Electronic; Optics; Physics, Applied SC Engineering; Optics; Physics GA BG7MU UT WOS:000391482500024 ER PT S AU Libal, A Reichhardt, C Reichhardt, CJO AF Libal, A. Reichhardt, C. Reichhardt, C. J. Olson BE Drouhin, HJ Wegrowe, JE Razeghi, M TI Realizing Artificial Spin Ice States for Magnetic Colloids on Optical Trap Arrays SO SPINTRONICS IX SE Proceedings of SPIE LA English DT Proceedings Paper CT 9th Spintronics Symposium / SPIE Conference CY AUG 28-SEP 01, 2016 CL San Diego, CA SP SPIE DE colloids; spin ice; optical traps ID MONOLAYERS; LATTICE; ENTROPY AB Colloids interacting with periodic substrates such as those created with optical traps are an ideal system in which to study various types of phase transitions such as commensurate to incommensurate states and melting behaviors, and they can also be used to create new types of ordering that can be mapped to spin systems. Here we numerically demonstrate how magnetic colloids interacting with an array of elongated two-state traps can be used to realize square artificial spin ice. By tuning the magnetic field, it is possible to precisely control the interaction strength between the colloids, making it possible to observe a transition from a disordered state to an ordered state that obeys the two-in/two-out ice rules. We also examine the dynamics of excitations of the ground state, including pairs of monopoles, and show that the monopoles have emergent attractive interactions. The strength of the interaction can be modified by the magnetic field, permitting the monopole velocity to be tuned. C1 [Libal, A.; Reichhardt, C.; Reichhardt, C. J. Olson] Univ Babes Bolyai, Fac Math & Comp Sci, RO-400157 Cluj Napoca, Romania. [Libal, A.; Reichhardt, C.; Reichhardt, C. J. Olson] Los Alamos Natl Lab, Theoret Div, Los Alamos, NM 87545 USA. RP Reichhardt, C (reprint author), Univ Babes Bolyai, Fac Math & Comp Sci, RO-400157 Cluj Napoca, Romania.; Reichhardt, C (reprint author), Los Alamos Natl Lab, Theoret Div, Los Alamos, NM 87545 USA. EM reichhardt@lanl.gov NR 42 TC 0 Z9 0 U1 0 U2 0 PU SPIE-INT SOC OPTICAL ENGINEERING PI BELLINGHAM PA 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA SN 0277-786X BN 978-1-5106-0254-0 J9 PROC SPIE PY 2016 VL 9931 AR UNSP 99311Q DI 10.1117/12.2237268 PG 7 WC Engineering, Electrical & Electronic; Optics; Physics, Applied SC Engineering; Optics; Physics GA BG7MU UT WOS:000391482500018 ER PT S AU Aguilar-Arevalo, A Amidei, D Bertou, X Bole, D Butner, M Cancelo, G Vasquez, AC Chavarria, AE Neto, JRTD Dixon, S D'Olivo, JC Estrada, J Moroni, GF Torres, PH Izraelevitch, F Kavner, A Kilminster, B Lawson, I Liao, J Lopez, M Molina, J Moreno-Granados, G Pena, J Privitera, P Sarkis, Y Scarpine, V Schwarz, T Haro, MS Tiffenberg, J Machado, DT Trillaud, F You, X Zhou, J AF Aguilar-Arevalo, A. Amidei, D. Bertou, X. Bole, D. Butner, M. Cancelo, G. Castaneda Vasquez, A. Chavarria, A. E. de Mello Neto, J. R. T. Dixon, S. D'Olivo, J. C. Estrada, J. Moroni, G. Fernandez Hernandez Torres, P. Izraelevitch, F. Kavner, A. Kilminster, B. Lawson, I. Liao, J. Lopez, M. Molina, J. Moreno-Granados, G. Pena, J. Privitera, P. Sarkis, Y. Scarpine, V. Schwarz, T. Sofo Haro, M. Tiffenberg, J. Torres Machado, D. Trillaud, F. You, X. Zhou, J. BE Fornengo, N Regis, M Zechlin, HS TI Measurement of radioactive contamination in the CCD's of the DAMIC experiment SO XIV INTERNATIONAL CONFERENCE ON TOPICS IN ASTROPARTICLE AND UNDERGROUND PHYSICS (TAUP 2015), PTS 1-7 SE Journal of Physics Conference Series LA English DT Proceedings Paper CT 14th International Conference on Topics in Astroparticle and Underground Physics (TAUP) CY SEP 07-11, 2015 CL Torino, ITALY SP Univ Torino, Ist Nazl Fisica Nucl, Ist Nazl Astrofisica, Agenzia Spaziale Italiana, Accademia Scienze Torino, Consorzio Interuniversitario Fis Spaziale, Int Union Pure & Appl Phys ID DARK-MATTER AB DAMIC (Dark Matter in CCDs) is an experiment searching for dark matter particles employing fully-depleted charge-coupled devices. Using the bulk silicon which composes the detector as target, we expect to observe coherent WIMP-nucleus elastic scattering. Although located in the SNOLAB laboratory, 2 km below the surface, the CCDs are not completely free of radioactive contamination, in particular coming from radon daughters or from the detector itself. We present novel techniques for the measurement of the radioactive contamination in the bulk silicon and on the surface of DAMIC CCDs. Limits on the Uranium and Thorium contamination as well as on the cosmogenic isotope Si-32, intrinsically present on the detector, were performed. We have obtained upper limits on the U-238 (Th-232) decay rate of 5 (15) kg(-1)d(-1) at 95% CL. Pairs of spatially correlated electron tracks expected from Si-32-P-32 and (210)pb-Bi-210 beta decays were also measured. We have found a decay rate of 80(-65)(+110) Kg(-1)d(-1) for Si-32 and an upper limit of similar to 35 kg(-1)d(-1) for Pb-210, both at 95% CL. C1 [Aguilar-Arevalo, A.; Castaneda Vasquez, A.; D'Olivo, J. C.; Hernandez Torres, P.; Moreno-Granados, G.; Sarkis, Y.; Trillaud, F.] Univ Nacl Autonoma Mexico, Mexico City, DF, Mexico. [Amidei, D.; Bole, D.; Kavner, A.; Schwarz, T.] Univ Michigan, Dept Phys, Ann Arbor, MI 48109 USA. [Bertou, X.; Sofo Haro, M.] Consejo Nacl Invest Cient & Tecn, CNEA, Inst Balseiro, Ctr Atom Bariloche, RA-1033 Buenos Aires, DF, Argentina. [Butner, M.; Cancelo, G.; Estrada, J.; Moroni, G. Fernandez; Scarpine, V.; Tiffenberg, J.] Fermilab Natl Accelerator Lab, POB 500, Batavia, IL 60510 USA. [Chavarria, A. E.; Dixon, S.; Pena, J.; Privitera, P.; Zhou, J.] Univ Chicago, Kavli Inst Cosmol Phys, Chicago, IL 60637 USA. [Chavarria, A. E.; Dixon, S.; Pena, J.; Privitera, P.; Zhou, J.] Univ Chicago, Eurico Fermi Inst, Chicago, IL 60637 USA. [de Mello Neto, J. R. T.; Torres Machado, D.; You, X.] Univ Fed Rio de Janeiro, Inst Fis, Rio De Janeiro, RJ, Brazil. [Kilminster, B.; Liao, J.] Univ Zurich, Phys Inst, Zurich, Switzerland. [Lawson, I.] SNOLAB, Lively, ON, Canada. [Lopez, M.; Molina, J.] Univ Nacl Asunc, Fac Ingn, San Lorenzo, Paraguay. [Butner, M.] Northern Illinois Univ, De Kalb, IL 60115 USA. RP Aguilar-Arevalo, A (reprint author), Univ Nacl Autonoma Mexico, Mexico City, DF, Mexico. EM torres@if.ufrj.br NR 8 TC 0 Z9 0 U1 0 U2 0 PU IOP PUBLISHING LTD PI BRISTOL PA DIRAC HOUSE, TEMPLE BACK, BRISTOL BS1 6BE, ENGLAND SN 1742-6588 J9 J PHYS CONF SER PY 2016 VL 718 AR UNSP 042057 DI 10.1088/1742-6596/718/4/042057 PG 5 WC Astronomy & Astrophysics; Physics, Particles & Fields; Physics, Mathematical SC Astronomy & Astrophysics; Physics GA BG7NA UT WOS:000391490200083 ER PT S AU Canonica, L Alduino, C Alfonso, K Artusa, DR Avignone, FT Azzolini, O Banks, TI Bari, G Beeman, JW Bellini, F Bersani, A Biassoni, M Brofferio, C Bucci, C Caminata, A Can, XG Capelli, S Cappelli, L Carbone, L Cardani, L Carniti, P Casali, N Cassina, L Chiesa, D Chott, N Clemenza, M Copeo, S Cosmelli, C Cremonesi, O Creswick, RJ Cushman, JS Dafinei, I Dally, A Davis, CJ Dell'Oro, S Deninno, MM Di Domizio, S Di Vacri, ML Drobizhev, A Fang, DQ Faverzani, M Fernandes, G Ferri, E Ferroni, F Fiorini, E Fujikawa, BK Giachero, A Gironi, L Giuliani, A Gladstone, L Gorla, P Gotti, C Gutierrez, TD Haller, EE Han, K Hansen, E Heeger, KM Hennings-Yeomans, R Hickerson, KP Huang, HZ Kade, R Keppel, G Kolomensky, YG Lim, KE Liu, X Ma, YG Maino, M Marini, L Martinez, M Maruyama, RH Mei, Y Moggi, N Morganti, S Mosteiro, PJ Nones, C Norman, EB Nucciotti, A O'Donne, T Orio, F Ouellet, JL Pagliarone, CE Pallavicini, M Palmieri, V Pattavina, L Pavan, M Pessina, G Pettinacci, V Piperno, G Pirro, S Pozzi, S Previtali, E Rosenfeld, C Rusconi, C Sala, E Sangiorgio, S Santone, D Scielzo, ND Singh, V Sisti, M Smith, AR Taffarello, L Tenconi, M Terranova, F Tomei, C Trentalange, S Ventura, G Vignati, M Wagaarachchi, SL Wang, BS Wang, HW Wilson, J Winslow, LA Wise, T Zanotti, L Zhang, GQ Zhu, BX Zimmermann, S Zucchelli, S AF Canonica, L. Alduino, C. Alfonso, K. Artusa, D. R. Avignone, F. T., III Azzolini, O. Banks, T. I. Bari, G. Beeman, J. W. Bellini, F. Bersani, A. Biassoni, M. Brofferio, C. Bucci, C. Caminata, A. Can, X. G. Capelli, S. Cappelli, L. Carbone, L. Cardani, L. Carniti, P. Casali, N. Cassina, L. Chiesa, D. Chott, N. Clemenza, M. Copeo, S. Cosmelli, C. Cremonesi, O. Creswick, R. J. Cushman, J. S. Dafinei, I. Dally, A. Davis, C. J. Dell'Oro, S. Deninno, M. M. Di Domizio, S. Di Vacri, M. L. Drobizhev, A. Fang, D. Q. Faverzani, M. Fernandes, G. Ferri, E. Ferroni, F. Fiorini, E. Fujikawa, B. K. Giachero, A. Gironi, L. Giuliani, A. Gladstone, L. Gorla, P. Gotti, C. Gutierrez, T. D. Haller, E. E. Han, K. Hansen, E. Heeger, K. M. Hennings-Yeomans, R. Hickerson, K. P. Huang, H. Z. Kade, R. Keppel, G. Kolomensky, Yu G. Lim, K. E. Liu, X. Ma, Y. G. Maino, M. Marini, L. Martinez, M. Maruyama, R. H. Mei, Y. Moggi, N. Morganti, S. Mosteiro, P. J. Nones, C. Norman, E. B. Nucciotti, A. O'Donne, T. Orio, F. Ouellet, J. L. Pagliarone, C. E. Pallavicini, M. Palmieri, V. Pattavina, L. Pavan, M. Pessina, G. Pettinacci, V. Piperno, G. Pirro, S. Pozzi, S. Previtali, E. Rosenfeld, C. Rusconi, C. Sala, E. Sangiorgio, S. Santone, D. Scielzo, N. D. Singh, V. Sisti, M. Smith, A. R. Taffarello, L. Tenconi, M. Terranova, F. Tomei, C. Trentalange, S. Ventura, G. Vignati, M. Wagaarachchi, S. L. Wang, B. S. Wang, H. W. Wilson, J. Winslow, L. A. Wise, T. Zanotti, L. Zhang, G. Q. Zhu, B. X. Zimmermann, S. Zucchelli, S. BE Fornengo, N Regis, M Zechlin, HS TI Results from the CUORE-0 experiment SO XIV INTERNATIONAL CONFERENCE ON TOPICS IN ASTROPARTICLE AND UNDERGROUND PHYSICS (TAUP 2015), PTS 1-7 SE Journal of Physics Conference Series LA English DT Proceedings Paper CT 14th International Conference on Topics in Astroparticle and Underground Physics (TAUP) CY SEP 07-11, 2015 CL Torino, ITALY SP Univ Torino, Ist Nazl Fisica Nucl, Ist Nazl Astrofisica, Agenzia Spaziale Italiana, Accademia Scienze Torino, Consorzio Interuniversitario Fis Spaziale, Int Union Pure & Appl Phys AB The CUORE-0 experiment searched for neutrinoless double beta decay in Te-130 using an array of 52 tellurium dioxide crystals, operated as bolometers at a temperature of 10 mK. It took data in the Gran Sasso National Laboratory (Italy) since March 2013 to March 2015. We present the results of a search for neutrinoless double beta decay in 9.8 kg.years Te-130 exposure that allowed us to set the most stringent limit to date on this half-life. The performance of the detector in terms of background and energy resolution is also reported. C1 [Canonica, L.; Artusa, D. R.; Bucci, C.; Dell'Oro, S.; Gorla, P.; Pagliarone, C. E.; Pattavina, L.; Pirro, S.; Santone, D.] Ist Nazl Fis Nucl, Lab Nazl Gran Sasso, I-67010 Coppito, Italy. [Alduino, C.; Artusa, D. R.; Avignone, F. T., III; Chott, N.; Creswick, R. J.; Rosenfeld, C.; Wilson, J.] Univ South Carolina, Dept Phys & Astron, Columbia, SC 29208 USA. [Alfonso, K.; Cappelli, L.; Di Vacri, M. L.; Hickerson, K. P.; Huang, H. Z.; Liu, X.; Trentalange, S.; Zhu, B. X.] Univ Calif Los Angeles, Dept Phys & Astron, Los Angeles, CA 90095 USA. [Azzolini, O.; Keppel, G.; Palmieri, V.] Ist Nazl Fis Nucl, Lab Nazl Legnaro, I-35020 Legnaro, Italy. [Banks, T. I.; Drobizhev, A.; Hennings-Yeomans, R.; Kolomensky, Yu G.; O'Donne, T.; Ouellet, J. L.; Singh, V.; Wagaarachchi, S. L.] Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA. [Banks, T. I.; Drobizhev, A.; Fujikawa, B. K.; Han, K.; Hennings-Yeomans, R.; Mei, Y.; O'Donne, T.; Ouellet, J. L.; Smith, A. R.; Wagaarachchi, S. L.] Lawrence Berkeley Natl Lab, Div Nucl Sci, Berkeley, CA 94720 USA. [Bari, G.; Deninno, M. M.; Moggi, N.; Zucchelli, S.] Ist Nazl Fis Nucl, Sez Bologna, I-40127 Bologna, Italy. [Beeman, J. W.; Haller, E. E.] Lawrence Berkeley Natl Lab, Div Mat Sci, Berkeley, CA 94720 USA. [Bellini, F.; Cardani, L.; Casali, N.; Cosmelli, C.; Ferroni, F.; Hansen, E.; Martinez, M.; Piperno, G.] Univ Roma La Sapienza, Dipartimento Fis, I-00185 Rome, Italy. [Bellini, F.; Cardani, L.; Casali, N.; Cosmelli, C.; Dafinei, I.; Ferroni, F.; Hansen, E.; Martinez, M.; Morganti, S.; Mosteiro, P. J.; Orio, F.; Pettinacci, V.; Piperno, G.; Tomei, C.; Vignati, M.] Ist Nazl Fis Nucl, Sez Roma, I-00185 Rome, Italy. [Bersani, A.; Caminata, A.; Cappelli, L.; Copeo, S.; Di Domizio, S.; Fernandes, G.; Marini, L.; Pallavicini, M.] Ist Nazl Fis Nucl, Sez Genova, I-16146 Genoa, Italy. [Biassoni, M.; Brofferio, C.; Capelli, S.; Carniti, P.; Cassina, L.; Chiesa, D.; Clemenza, M.; Faverzani, M.; Ferri, E.; Fiorini, E.; Gironi, L.; Gotti, C.; Maino, M.; Nucciotti, A.; Pavan, M.; Pozzi, S.; Sala, E.; Sisti, M.; Terranova, F.; Zanotti, L.] Univ Milano Bicocca, Dipartimento Fis, I-20126 Milan, Italy. [Biassoni, M.; Brofferio, C.; Capelli, S.; Carbone, L.; Carniti, P.; Cassina, L.; Chiesa, D.; Clemenza, M.; Cremonesi, O.; Faverzani, M.; Ferri, E.; Fiorini, E.; Giachero, A.; Gironi, L.; Gotti, C.; Maino, M.; Nucciotti, A.; Pavan, M.; Pessina, G.; Pozzi, S.; Previtali, E.; Rusconi, C.; Sala, E.; Sisti, M.; Terranova, F.; Zanotti, L.] Ist Nazl Fis Nucl, Sez Milano Bicocca, I-20126 Milan, Italy. [Can, X. G.; Fang, D. Q.; Ma, Y. G.; Wang, H. W.; Zhang, G. Q.] Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China. [Cappelli, L.; Pagliarone, C. E.] Univ Cassino Lazio Meridionale, Dipartimento Ingn Civile & Meccan, I-03043 Cassino, Italy. [Copeo, S.; Di Domizio, S.; Fernandes, G.; Marini, L.; Pallavicini, M.] Univ Genoa, Dipartimento Fis, I-16146 Genoa, Italy. [Cushman, J. S.; Davis, C. J.; Han, K.; Heeger, K. M.; Lim, K. E.; Maruyama, R. H.; Wise, T.] Yale Univ, Dept Phys, New Haven, CT 06520 USA. [Dally, A.; Wise, T.] Univ Wisconsin, Dept Phys, Madison, WI 53706 USA. [Dell'Oro, S.] Ist Nazl Fis Nucl, Gran Sasso Sci Inst, I-67100 Laquila, Italy. [Di Vacri, M. L.; Santone, D.] Univ Aquila, Dipartimento Sci Fis & Chim, I-67100 Laquila, Italy. [Giuliani, A.; Tenconi, M.] Univ Paris 11, Univ Paris Saclay, CNRS, IN2P3,CSNSM, F-91405 Orsay, France. [Gladstone, L.; Ouellet, J. L.; Winslow, L. A.] MIT, Cambridge, MA 02139 USA. [Gutierrez, T. D.] Calif Polytech State Univ San Luis Obispo, Dept Phys, San Luis Obispo, CA 93407 USA. [Haller, E. E.] Univ Calif Berkeley, Dept Mat Sci & Engn, Berkeley, CA 94720 USA. [Kade, R.; Kolomensky, Yu G.] Lawrence Berkeley Natl Lab, Div Phys, Berkeley, CA 94720 USA. [Martinez, M.] Univ Zaragoza, Lab Fis Nucl & Astroparticulas, Zaragoza 50009, Spain. [Moggi, N.] Alma Mater Studiorum Univ Bologna, Dipartimento Sci Qual Vita, I-47921 Bologna, Italy. [Nones, C.] CEA Saclay, Serv Phys Particules, F-91191 Gif Sur Yvette, France. [Norman, E. B.; Sangiorgio, S.; Scielzo, N. D.; Wang, B. S.] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA. [Norman, E. B.; Wang, B. S.] Univ Calif Berkeley, Dept Nucl Engn, Berkeley, CA 94720 USA. [Taffarello, L.] Ist Nazl Fis Nucl, Sez Padova, I-35131 Padua, Italy. [Ventura, G.] Univ Firenze, Dipartimento Fis, I-50125 Florence, Italy. [Ventura, G.] Ist Nazl Fis Nucl, Sez Firenze, I-50125 Florence, Italy. [Zimmermann, S.] Lawrence Berkeley Natl Lab, Div Engn, Berkeley, CA 94720 USA. [Zucchelli, S.] Alma Mater Studiorum Univ Bologna, Dipartimento Fis & Astron, I-40127 Bologna, Italy. RP Canonica, L (reprint author), Ist Nazl Fis Nucl, Lab Nazl Gran Sasso, I-67010 Coppito, Italy. EM lucia.canonica@lngs.infn.it RI Giachero, Andrea/I-1081-2013; capelli, silvia/G-5168-2012; Ma, Yu-Gang/M-8122-2013; Martinez, Maria/K-4827-2012; Casali, Nicola/C-9475-2017; Chiesa, Davide/H-7240-2014; Di Domizio, Sergio/L-6378-2014 OI Gironi, Luca/0000-0003-2019-0967; Pozzi, Stefano/0000-0003-2986-1990; Giachero, Andrea/0000-0003-0493-695X; Clemenza, Massimiliano/0000-0002-8064-8936; capelli, silvia/0000-0002-0300-2752; pavan, maura/0000-0002-9723-7834; Ma, Yu-Gang/0000-0002-0233-9900; Martinez, Maria/0000-0002-9043-4691; Casali, Nicola/0000-0003-3669-8247; Chiesa, Davide/0000-0003-1978-1727; Di Domizio, Sergio/0000-0003-2863-5895 FU Istituto Nazionale di Fisica Nucleare (INFN); National Science Foundation [NSF-PHY-0605119, NSF-PHY-0500337, NSF-PHY-0855314, NSF-PHY-0902171, NSF-PHY-0969852]; Alfred P. Sloan Foundation; University of Wisconsin Foundation; Yale University; US Department of Energy (DOE) Office of Science [DE-ACO2-05CH11231, DE-AC52-07NA27344]; DOE Office of Science; Office of Nuclear Physics [DE-FG02-08ER41551, DEFG03-00ER41138] FX The CUORE Collaboration thanks the directors and staff of the Laboratori Nazionali del Gran Sasso and the technical staff of our laboratories. This work was supported by the Istituto Nazionale di Fisica Nucleare (INFN); the National Science Foundation under Grant Nos. NSF-PHY-0605119, NSF-PHY-0500337, NSF-PHY-0855314, NSF-PHY-0902171, and NSF-PHY-0969852; the Alfred P. Sloan Foundation; the University of Wisconsin Foundation; and Yale University. This material is also based upon work supported by the US Department of Energy (DOE) Office of Science under Contract Nos. DE-ACO2-05CH11231 and DE-AC52-07NA27344; and by the DOE Office of Science, Office of Nuclear Physics under Contract Nos. DE-FG02-08ER41551 and DEFG03-00ER41138. This research used resources of the National Energy Research Scientific Computing Center (NERSC). NR 13 TC 0 Z9 0 U1 3 U2 3 PU IOP PUBLISHING LTD PI BRISTOL PA DIRAC HOUSE, TEMPLE BACK, BRISTOL BS1 6BE, ENGLAND SN 1742-6588 J9 J PHYS CONF SER PY 2016 VL 718 AR UNSP 062007 DI 10.1088/1742-6596/718/6/062007 PG 5 WC Astronomy & Astrophysics; Physics, Particles & Fields; Physics, Mathematical SC Astronomy & Astrophysics; Physics GA BG7NA UT WOS:000391490200148 ER PT S AU Davini, S Agnes, P Agostino, L Albuquerque, IFM Alexander, T Alton, AK Arisaka, K Back, H Baldin, B Biery, K Bonfini, G Bossa, M Bottino, B Brigatti, A Brodsky, J Budano, F Bussino, S Cadeddu, M Cadonati, L Cadoni, M Calaprice, F Canci, N Candela, A Cao, H Cariello, M Carlini, M Catalanotti, S Cavalcante, P Chepurnov, A Cocco, AG Covone, G D'Angelo, D D'Incecco, M De Cecco, S De Deo, M De Vincenzi, M Derbin, A Devoto, A Di Eusanio, F Di Pietra, G Edkins, E Empl, A Fan, A Fiorillo, G Fomenko, K Foster, G Franco, D Gabriele, F Galbiati, C Giganti, C Goretti, AM Granato, F Grandi, L Gromov, M Guan, M Guardincerri, Y Hackett, BR Herner, KR Hungerford, EV Ianni, A Ianni, A James, I Jollet, C Keeter, K Kendziora, CL Kobychev, V Koh, G Korablev, D Korga, G Kubankin, A Li, X Lissia, M Lombardi, P Luitz, S Ma, Y Machulin, IN Mandarano, A Mari, SM Maricic, J Marini, L Martoff, CJ Meregaglia, A Meyers, PD Miletic, T Milincic, R Montanari, D Monte, A Montuschi, M Monzani, ME Mosteiro, P Mount, BJ Muratova, N Musico, P Napolitano, J Orsini, M Ortica, F Pagani, L Pallavicini, M Pantic, E Parmeggiano, S Pelczar, K Pelliccia, N Perasso, S Pocar, A Pordes, S Pugachev, DA Qian, H Randle, K Ranucci, G Razeto, A Reinhold, B Renshaw, AL Romani, A Rossi, B Rossi, N Rountree, SD Sablone, D Saggese, P Saldanha, R Sands, W Sangiorgio, S Savarese, C Segreto, E Semenov, DA Shields, E Singh, PN Skorokhvatov, MD Smirnov, O Sotnikov, A Stanford, C Suvorov, Y Tartaglia, R Tatarowicz, J Testera, G Tonazzo, A Trinchese, P Unzhakov, EV Vishneva, A Vogelaar, B Wada, M Walker, S Wang, H Wang, Y Watson, AW Westerdale, S Wilhelmi, J Wojcik, MM Xiang, X Xu, J Yang, C Yoo, J Zavatarelli, S Zec, A Zhong, W Zhu, C Zuzel, G AF Davini, S. Agnes, P. Agostino, L. Albuquerque, I. F. M. Alexander, T. Alton, A. K. Arisaka, K. Back, H. Baldin, B. Biery, K. Bonfini, G. Bossa, M. Bottino, B. Brigatti, A. Brodsky, J. Budano, F. Bussino, S. Cadeddu, M. Cadonati, L. Cadoni, M. Calaprice, F. Canci, N. Candela, A. Cao, H. Cariello, M. Carlini, M. Catalanotti, S. Cavalcante, P. Chepurnov, A. Cocco, A. G. Covone, G. D'Angelo, D. D'Incecco, M. De Cecco, S. De Deo, M. De Vincenzi, M. Derbin, A. Devoto, A. Di Eusanio, F. Di Pietra, G. Edkins, E. Empl, A. Fan, A. Fiorillo, G. Fomenko, K. Foster, G. Franco, D. Gabriele, F. Galbiati, C. Giganti, C. Goretti, A. M. Granato, F. Grandi, L. Gromov, M. Guan, M. Guardincerri, Y. Hackett, B. R. Herner, K. R. Hungerford, E. V. Ianni, Aldo Ianni, Andrea James, I. Jollet, C. Keeter, K. Kendziora, C. L. Kobychev, V. Koh, G. Korablev, D. Korga, G. Kubankin, A. Li, X. Lissia, M. Lombardi, P. Luitz, S. Ma, Y. Machulin, I. N. Mandarano, A. Mari, S. M. Maricic, J. Marini, L. Martoff, C. J. Meregaglia, A. Meyers, P. D. Miletic, T. Milincic, R. Montanari, D. Monte, A. Montuschi, M. Monzani, M. E. Mosteiro, P. Mount, B. J. Muratova, N. Musico, P. Napolitano, J. Orsini, M. Ortica, F. Pagani, L. Pallavicini, M. Pantic, E. Parmeggiano, S. Pelczar, K. Pelliccia, N. Perasso, S. Pocar, A. Pordes, S. Pugachev, D. A. Qian, H. Randle, K. Ranucci, G. Razeto, A. Reinhold, B. Renshaw, A. L. Romani, A. Rossi, B. Rossi, N. Rountree, S. D. Sablone, D. Saggese, P. Saldanha, R. Sands, W. Sangiorgio, S. Savarese, C. Segreto, E. Semenov, D. A. Shields, E. Singh, P. N. Skorokhvatov, M. D. Smirnov, O. Sotnikov, A. Stanford, C. Suvorov, Y. Tartaglia, R. Tatarowicz, J. Testera, G. Tonazzo, A. Trinchese, P. Unzhakov, E. V. Vishneva, A. Vogelaar, B. Wada, M. Walker, S. Wang, H. Wang, Y. Watson, A. W. Westerdale, S. Wilhelmi, J. Wojcik, M. M. Xiang, X. Xu, J. Yang, C. Yoo, J. Zavatarelli, S. Zec, A. Zhong, W. Zhu, C. Zuzel, G. BE Fornengo, N Regis, M Zechlin, HS TI The DarkSide awakens SO XIV INTERNATIONAL CONFERENCE ON TOPICS IN ASTROPARTICLE AND UNDERGROUND PHYSICS (TAUP 2015), PTS 1-7 SE Journal of Physics Conference Series LA English DT Proceedings Paper CT 14th International Conference on Topics in Astroparticle and Underground Physics (TAUP) CY SEP 07-11, 2015 CL Torino, ITALY SP Univ Torino, Ist Nazl Fisica Nucl, Ist Nazl Astrofisica, Agenzia Spaziale Italiana, Accademia Scienze Torino, Consorzio Interuniversitario Fis Spaziale, Int Union Pure & Appl Phys AB The DarkSide program at LNGS aims to perform background-free WIMP searches using two phase liquid argon time projection chambers, with the ultimate goal of covering all parameters down to the so-called neutrino floor. One of the distinct features of the program is the use of underground argon with has a reduced content of the radioactive Ar-39 compared to atmospheric argon. The DarkSide Collaboration is currently operating the DarkSide-50 experiment, the first such WIMP detector using underground argon. Operations with underground argon indicate a suppression of Ar-39 by a factor (1.4 +/- 0.2) x 10(3) relative to atmospheric argon. The new results obtained with DarkSide-50 and the plans for the next steps of the DarkSide program, the 20 t fiducial mass DarkSide-20k detector and the 200 t fiducial Argo, are reviewed in this proceedings. C1 [Agnes, P.; Franco, D.; Perasso, S.; Tonazzo, A.] Univ Paris Diderot, Sorbonne Paris Cite, APC, CNRS,IN2P3,CEA,Irfu,Obs Paris, F-75205 Paris, France. [Agostino, L.; De Cecco, S.; Giganti, C.] Univ Paris Diderot, Univ Pierre & Marie Curie, LPNHE Paris, CNRS,IN2P3, F-75252 Paris, France. [Albuquerque, I. F. M.; Back, H.; Brodsky, J.; Calaprice, F.; Cao, H.; Di Eusanio, F.; Galbiati, C.; Ianni, Andrea; Koh, G.; Li, X.; Meyers, P. D.; Mosteiro, P.; Pocar, A.; Qian, H.; Razeto, A.; Rossi, B.; Sands, W.; Shields, E.; Stanford, C.; Wada, M.; Westerdale, S.; Xiang, X.; Xu, J.; Zhu, C.] Princeton Univ, Dept Phys, Princeton, NJ 08544 USA. [Albuquerque, I. F. M.] Univ Sao Paulo, Inst Fis, BR-05508090 Sao Paulo, Brazil. [Alexander, T.; Cadonati, L.; Foster, G.; Monte, A.; Pocar, A.; Randle, K.; Zec, A.] Univ Massachusetts, Amherst Ctr Fundamental Interact, Amherst, MA 01003 USA. [Alexander, T.; Cadonati, L.; Foster, G.; Monte, A.; Pocar, A.; Randle, K.; Zec, A.] Univ Massachusetts, Dept Phys, Amherst, MA 01003 USA. [Alexander, T.; Baldin, B.; Biery, K.; Foster, G.; Guardincerri, Y.; Herner, K. R.; Kendziora, C. L.; Montanari, D.; Pordes, S.; Yoo, J.] Fermilab Natl Accelerator Lab, POB 500, Batavia, IL 60510 USA. [Alton, A. K.] Augustana Univ, Dept Phys, Sioux Falls, SD 57197 USA. [Arisaka, K.; Fan, A.; Renshaw, A. L.; Suvorov, Y.; Wang, H.; Wang, Y.] Univ Calif Los Angeles, Dept Phys & Astron, Los Angeles, CA 90095 USA. [Back, H.] Pacific Northwest Natl Lab, Richland, WA 99354 USA. [Davini, S.; Bonfini, G.; Canci, N.; Candela, A.; Carlini, M.; Cavalcante, P.; D'Incecco, M.; De Deo, M.; Di Pietra, G.; Gabriele, F.; Galbiati, C.; Goretti, A. M.; Ianni, Aldo; Korga, G.; Mandarano, A.; Montuschi, M.; Orsini, M.; Razeto, A.; Rossi, N.; Sablone, D.; Savarese, C.; Suvorov, Y.; Tartaglia, R.] Lab Nazl Gran Sasso, I-67010 Assergi, AQ, Italy. [Davini, S.; Bossa, M.; Mandarano, A.; Savarese, C.] Gran Sasso Sci Inst, I-67100 Laquila, Italy. [Bottino, B.; Marini, L.; Pagani, L.; Pallavicini, M.] Univ Genoa, Dept Phys, I-16146 Genoa, Italy. [Bottino, B.; Cariello, M.; Marini, L.; Musico, P.; Pagani, L.; Pallavicini, M.; Testera, G.; Zavatarelli, S.] Ist Nazl Fis Nucl, Sez Genova, I-16146 Genoa, Italy. [Brigatti, A.; D'Angelo, D.; Di Pietra, G.; Lombardi, P.; Parmeggiano, S.; Ranucci, G.; Saggese, P.] Ist Nazl Fis Nucl, Sez Milano, I-20133 Milan, Italy. [Budano, F.; Bussino, S.; De Vincenzi, M.; James, I.; Mari, S. M.] Ist Nazl Fis Nucl, Sez Roma, I-00146 Rome, Italy. [Budano, F.; Bussino, S.; De Vincenzi, M.; James, I.; Mari, S. M.] Univ Roma Tre, Dept Math & Phys, I-00146 Rome, Italy. [Cadeddu, M.; Cadoni, M.; Devoto, A.] Univ Cagliari, Dept Phys, I-09042 Cagliari, Italy. [Cadeddu, M.; Cadoni, M.; Devoto, A.; Lissia, M.] Ist Nazl Fis Nucl, Sez Cagliari, I-09042 Cagliari, Italy. [Canci, N.; Empl, A.; Hungerford, E. V.; Korga, G.; Renshaw, A. L.; Singh, P. N.] Univ Houston, Dept Phys, Houston, TX 77204 USA. [Catalanotti, S.; Covone, G.; Fiorillo, G.; Granato, F.; Trinchese, P.; Walker, S.] Ist Nazl Fis Nucl, Sez Napoli, I-80126 Naples, Italy. [Catalanotti, S.; Cocco, A. G.; Covone, G.; Fiorillo, G.; Rossi, B.; Walker, S.] Univ Naples Federico II, Dept Phys, I-80126 Naples, Italy. [Cavalcante, P.; Rountree, S. D.; Vogelaar, B.] Virginia Tech, Dept Phys, Blacksburg, VA 24061 USA. [Chepurnov, A.; Gromov, M.] Lomonosov Moscow State Univ, Skobeltsyn Inst Nucl Phys, Moscow 119991, Russia. [D'Angelo, D.] Univ Milan, Dept Phys, I-20133 Milan, Italy. [Derbin, A.; Muratova, N.; Semenov, D. A.; Unzhakov, E. V.] St Petersburg Nucl Phys Inst, NRC Kurchatov Inst, Gatchina 188350, Russia. [Edkins, E.; Hackett, B. R.; Maricic, J.; Milincic, R.; Reinhold, B.] Univ Hawaii, Dept Phys & Astron, Honolulu, HI 96822 USA. [Fomenko, K.; Korablev, D.; Smirnov, O.; Sotnikov, A.; Vishneva, A.] Joint Inst Nucl Res, Dubna 141980, Russia. [Granato, F.; Martoff, C. J.; Miletic, T.; Napolitano, J.; Tatarowicz, J.; Watson, A. W.; Wilhelmi, J.] Temple Univ, Dept Phys, Philadelphia, PA 19122 USA. [Grandi, L.; Saldanha, R.] Univ Chicago, Kavli Inst, Enrico Fermi Inst, Chicago, IL 60637 USA. [Grandi, L.; Saldanha, R.] Univ Chicago, Dept Phys, Chicago, IL 60637 USA. [Guan, M.; Ma, Y.; Wang, Y.; Yang, C.; Zhong, W.] Inst High Energy Phys, Beijing 100049, Peoples R China. [Ianni, Aldo] Lab Subterraneo Canfranc, E-22880 Canfranc Estn, Spain. [Jollet, C.; Meregaglia, A.] 19 Univ Strasbourg, IPHC, CNRS, IN2P3, F-67037 Strasbourg, France. [Keeter, K.; Mount, B. J.] Black Hills State Univ, Sch Nat Sci, Spearfish, SD 57799 USA. [Kobychev, V.] Natl Acad Sci Ukraine, Inst Natl Res, UA-03680 Kiev, Ukraine. [Kubankin, A.] Belgorod Natl Res Univ, Radiat Phys Lab, Belgorod 308007, Russia. [Luitz, S.; Monzani, M. E.] SLAC Natl Accelerator Lab, Menlo Pk, CA 94025 USA. [Machulin, I. N.; Pugachev, D. A.; Skorokhvatov, M. D.; Suvorov, Y.] Natl Res Ctr Kurchatov Inst, Moscow 123182, Russia. [Machulin, I. N.; Pugachev, D. A.; Skorokhvatov, M. D.] Natl Res Nucl Univ MEPhI, Moscow 115409, Russia. [Ortica, F.; Pelliccia, N.; Romani, A.] Univ Perugia, Dept Chem Biol & Biotechnol, I-06123 Perugia, Italy. [Ortica, F.; Pelliccia, N.; Romani, A.] Ist Nazl Fis Nucl, Sez Perugia, I-06123 Perugia, Italy. [Pantic, E.] Univ Calif Davis, Dept Phys, Davis, CA 95616 USA. [Pelczar, K.; Wojcik, M. M.; Zuzel, G.] Jagiellonian Univ, Smoluchowski Inst Phys, PL-30059 Krakow, Poland. [Sangiorgio, S.] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA. [Segreto, E.] Univ Estadual Campinas, Inst Phys Gleb Wataghin, BR-13083859 Sao Paulo, Brazil. [Wang, Y.] Univ Chinese Acad Sci, Sch Phys, Beijing 100049, Peoples R China. RP Davini, S (reprint author), Lab Nazl Gran Sasso, I-67010 Assergi, AQ, Italy.; Davini, S (reprint author), Gran Sasso Sci Inst, I-67100 Laquila, Italy. EM stefano.davini@gssi.infn.it RI Ortica, Fausto/C-1001-2013; Canci, Nicola/E-7498-2017; OI Ortica, Fausto/0000-0001-8276-452X; Canci, Nicola/0000-0002-4797-4297; Unzhakov, Evgeniy/0000-0003-2952-6412; Rossi, Nicola/0000-0002-7046-528X NR 10 TC 1 Z9 1 U1 4 U2 4 PU IOP PUBLISHING LTD PI BRISTOL PA DIRAC HOUSE, TEMPLE BACK, BRISTOL BS1 6BE, ENGLAND SN 1742-6588 J9 J PHYS CONF SER PY 2016 VL 718 AR UNSP 042016 DI 10.1088/1742-6596/718/4/042016 PG 6 WC Astronomy & Astrophysics; Physics, Particles & Fields; Physics, Mathematical SC Astronomy & Astrophysics; Physics GA BG7NA UT WOS:000391490200042 ER PT S AU Mertens, S AF Mertens, Susanne BE Fornengo, N Regis, M Zechlin, HS TI Direct Neutrino Mass Experiments SO XIV INTERNATIONAL CONFERENCE ON TOPICS IN ASTROPARTICLE AND UNDERGROUND PHYSICS (TAUP 2015), PTS 1-7 SE Journal of Physics Conference Series LA English DT Proceedings Paper CT 14th International Conference on Topics in Astroparticle and Underground Physics (TAUP) CY SEP 07-11, 2015 CL Torino, ITALY SP Univ Torino, Ist Nazl Fisica Nucl, Ist Nazl Astrofisica, Agenzia Spaziale Italiana, Accademia Scienze Torino, Consorzio Interuniversitario Fis Spaziale, Int Union Pure & Appl Phys ID STERILE NEUTRINOS; DARK-MATTER; BETA-DECAY; ELECTRONS AB With a mass at least six orders of magnitudes smaller than the mass of an electron - but non-zero neutrinos are a clear misfit in the Standard Model of Particle Physics. On the one hand, its tiny mass makes the neutrino one of the most interesting particles, one that might hold the key to physics beyond the Standard Model. On the other hand this minute mass leads to great challenges in its experimental determination. Three approaches are currently pursued: An indirect neutrino mass determination via cosmological observables, the search for neutrinoless double beta-decay, and a direct measurement based on the kinematics of single beta-decay. In this paper the latter will be discussed in detail and the status and scientific reach of the current and near-future experiments will be presented. C1 [Mertens, Susanne] Lawrence Berkeley Lab, Inst Nucl & Particle Astrophys, Berkeley, CA 94720 USA. [Mertens, Susanne] Karlsruhe Inst Technol, KIT Ctr Elementary Particle & Astroparticle Phys, D-76021 Karlsruhe, Germany. RP Mertens, S (reprint author), Lawrence Berkeley Lab, Inst Nucl & Particle Astrophys, Berkeley, CA 94720 USA.; Mertens, S (reprint author), Karlsruhe Inst Technol, KIT Ctr Elementary Particle & Astroparticle Phys, D-76021 Karlsruhe, Germany. EM smertens@lbl.gov NR 35 TC 1 Z9 1 U1 0 U2 0 PU IOP PUBLISHING LTD PI BRISTOL PA DIRAC HOUSE, TEMPLE BACK, BRISTOL BS1 6BE, ENGLAND SN 1742-6588 J9 J PHYS CONF SER PY 2016 VL 718 AR UNSP 022013 DI 10.1088/1742-6596/718/2/022013 PG 9 WC Astronomy & Astrophysics; Physics, Particles & Fields; Physics, Mathematical SC Astronomy & Astrophysics; Physics GA BG7NA UT WOS:000391490200013 ER PT S AU Singh, V Alduino, C Alessandria, F Bersani, A Biassoni, M Bucci, C Caminata, A Canonica, L Cappelli, L Cereseto, R Chott, N Copello, S Cremonesi, O Cushman, JS D'Addabbo, A Davis, CJ Dell'Oro, S Drobizhev, A Franceschi, MA Gladstone, L Gorla, P Guetti, M Ligi, C Napolitano, T Nucciotti, A Orlandi, D Ouellet, JL Pagliarone, CE Pattavina, L Rusconi, C Santone, D Taffarello, L Terranova, F Wallig, J Wise, T Uttaro, S AF Singh, V. Alduino, C. Alessandria, F. Bersani, A. Biassoni, M. Bucci, C. Caminata, A. Canonica, L. Cappelli, L. Cereseto, R. Chott, N. Copello, S. Cremonesi, O. Cushman, J. S. D'Addabbo, A. Davis, C. J. Dell'Oro, S. Drobizhev, A. Franceschi, M. A. Gladstone, L. Gorla, P. Guetti, M. Ligi, C. Napolitano, T. Nucciotti, A. Orlandi, D. Ouellet, J. L. Pagliarone, C. E. Pattavina, L. Rusconi, C. Santone, D. Taffarello, L. Terranova, F. Wallig, J. Wise, T. Uttaro, S. BE Fornengo, N Regis, M Zechlin, HS TI The CUORE cryostat: commissioning and performance SO XIV INTERNATIONAL CONFERENCE ON TOPICS IN ASTROPARTICLE AND UNDERGROUND PHYSICS (TAUP 2015), PTS 1-7 SE Journal of Physics Conference Series LA English DT Proceedings Paper CT 14th International Conference on Topics in Astroparticle and Underground Physics (TAUP) CY SEP 07-11, 2015 CL Torino, ITALY SP Univ Torino, Ist Nazl Fisica Nucl, Ist Nazl Astrofisica, Agenzia Spaziale Italiana, Accademia Scienze Torino, Consorzio Interuniversitario Fis Spaziale, Int Union Pure & Appl Phys ID DOUBLE-BETA DECAY AB The Cryogenic Underground Observatory for Rare Events (CUORE) will search for the 0v beta beta decay in Te-130 using a cryogenic array of TeO2 bolometers, operated at a base temperature of similar to 10 mK. CUORE will consist of a closely packed array of 19 towers each containing 52 crystals, for a total mass of 741 kg. The detector assembly is hosted in one of the largest cryostats ever constructed and will be cooled down to base temperature using a custom-built cryogen free dilution refrigerator. The CUORE cryostat along with the pulse tube based dilution refrigerator has been already commissioned at Laboratori Nazionali del Gran Sasso (LNGS) and a record base temperature, on a cubic meter scale, of r`-' 6 mK was achieved during one of the integration runs. We present the results from integration runs, characterizing the system and the cooling performance of the dilution refrigerator, effectively showcasing its stability at base temperature for the expected thermal load. C1 [Singh, V.; Drobizhev, A.] Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA. [Alduino, C.; Chott, N.] Univ South Carolina, Dept Phys & Astron, Columbia, SC 29208 USA. [Alessandria, F.] Ist Nazl Fis Nucl, Sez Milano, I-20133 Milan, Italy. [Bersani, A.; Caminata, A.; Cappelli, L.; Cereseto, R.; Copello, S.] Ist Nazl Fis Nucl, Sez Genova, I-16146 Genoa, Italy. [Biassoni, M.; Nucciotti, A.; Terranova, F.] Univ Milano Bicocca, Dipartimento Fis, I-20126 Milan, Italy. [Biassoni, M.; Cremonesi, O.; Nucciotti, A.; Rusconi, C.; Terranova, F.] Ist Nazl Fis Nucl, Sez Milano Bicocca, I-20126 Milan, Italy. [Bucci, C.; Canonica, L.; Cappelli, L.; D'Addabbo, A.; Dell'Oro, S.; Gorla, P.; Guetti, M.; Orlandi, D.; Pagliarone, C. E.; Pattavina, L.; Santone, D.; Uttaro, S.] Ist Nazl Fis Nucl, Lab Nazl Gran Sasso, I-67010 Laquila, Italy. [Cappelli, L.; Pagliarone, C. E.; Uttaro, S.] Univ Cassino & Lazio Merid, Dipartimento Ingn Civile & Meccan, I-03043 Cassino, Italy. [Copello, S.] Univ Genoa, Dipartimento Fis, I-16146 Genoa, Italy. [Cushman, J. S.; Davis, C. J.; Wise, T.] Yale Univ, Dept Phys, New Haven, CT 06520 USA. [Dell'Oro, S.] Ist Nazl Fis Nucl, Gran Sasso Sci Inst, I-67100 Laquila, Italy. [Drobizhev, A.; Ouellet, J. L.] Lawrence Berkeley Natl Lab, Div Nucl Sci, Berkeley, CA 94720 USA. [Franceschi, M. A.; Ligi, C.; Napolitano, T.] Ist Nazl Fis Nucl, Lab Nazl Frascati, I-00044 Rome, Italy. [Gladstone, L.; Ouellet, J. L.] MIT, 77 Massachusetts Ave, Cambridge, MA 02139 USA. [Santone, D.] Univ Aquila, Dipartimento Sci Fis & Chim, I-67100 Laquila, Italy. [Taffarello, L.; Terranova, F.] Ist Nazl Fis Nucl, Sez Padova, I-35131 Padua, Italy. [Wallig, J.] Lawrence Berkeley Natl Lab, Div Engn, Berkeley, CA 94720 USA. [Wise, T.] Univ Wisconsin, Dept Phys, Madison, WI 53706 USA. RP Singh, V (reprint author), Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA. EM cuore-spokesperson@lngs.infn.it RI Ligi, Carlo/M-4007-2016; OI Ligi, Carlo/0000-0001-7943-7704; D'Addabbo, Antonio/0000-0003-2668-962X FU Istituto Nazionale di Fisica Nucleare (INFN); National Science Foundation [NSFPHY- 0605119, NSF-PHY-0500337, NSF-PHY-0855314, NSFPHY-0902171, NSF-PHY-0969852, NSF-PHY-1307204, NSF-PHY-1404205]; Alfred P. Sloan Foundation; University of Wisconsin Foundation; Yale University; US Department of Energy (DOE) Office of Science [DE-ACO205CH11231, DE-AC52-07NA27344]; DOE Office of Science, Office of Nuclear Physics [DE-FG02-08ER41551, DE-FG03-00ER41138] FX The CUORE Collaboration thanks the directors and staff of the Laboratori Nazionali del Gran Sasso and the technical staff of our laboratories. This work was supported by the Istituto Nazionale di Fisica Nucleare (INFN); the National Science Foundation under Grant Nos. NSFPHY- 0605119, NSF-PHY-0500337, NSF-PHY-0855314, NSFPHY-0902171, NSF-PHY-0969852, NSF-PHY-1307204, and NSF-PHY-1404205; the Alfred P. Sloan Foundation; the University of Wisconsin Foundation; and Yale University. This material is also based upon work supported by the US Department of Energy (DOE) Office of Science under Contract Nos. DE-ACO205CH11231 and DE-AC52-07NA27344; and by the DOE Office of Science, Office of Nuclear Physics under Contract Nos. DE-FG02-08ER41551 and DE-FG03-00ER41138. This research used resources of the National Energy Research Scientific Computing Center (NERSC). NR 5 TC 0 Z9 0 U1 0 U2 0 PU IOP PUBLISHING LTD PI BRISTOL PA DIRAC HOUSE, TEMPLE BACK, BRISTOL BS1 6BE, ENGLAND SN 1742-6588 J9 J PHYS CONF SER PY 2016 VL 718 AR UNSP 062054 DI 10.1088/1742-6596/718/6/062054 PG 5 WC Astronomy & Astrophysics; Physics, Particles & Fields; Physics, Mathematical SC Astronomy & Astrophysics; Physics GA BG7NA UT WOS:000391490200195 ER PT S AU Westerdale, S Agnes, P Agostino, L Albuquerque, IFM Alexander, T Alton, AK Arisaka, K Back, H Baldin, B Biery, K Bonfin, G Bossa, M Bottino, B Brigatti, A Brodsky, J Budano, F Bussino, S Cadeddu, M Cadonati, L Cadoni, M Calaprice, F Canci, N Candela, A Cao, H Cariello, M Carlini, M Catalanotti, S Cavalcante, P Chepurnov, A Cocco, AG Covone, G D'Angelo, D D'Incecco, M Davini, S De Cecco, S De Deo, M De Vincenzi, M Derbin, A Devoto, A Di Eusanio, F Di Pietro, G Edkins, E Empl, A Fan, A Fiorillo, G Fomenko, K Foster, G Franco, D Gabriele, F Galbiati, C Giganti, C Goretti, AM Granato, F Grandi, L Gromov, M Guan, M Guardincerri, Y Hackett, BR Herner, KR Hungerford, EV Ianni, A Ianni, A James, I Jollet, C Keeter, K Kendziora, CL Kobychev, V Koh, G Korablev, D Korga, G Kubankin, A Li, X Lissia, M Lombardi, P Luitz, S Ma, Y Machulin, IN Mandarano, A Mari, SM Maricic, J Marini, L Martoff, CJ Meregaglia, A Meyers, PD Miletic, T Milincic, R Montanari, D Monte, A Montuschi, M Monzani, ME Mosteiro, P Mount, BJ Muratova, VN Musico, P Napolitano, J Orsini, M Ortica, F Pagani, L Pallavicini, M Pantic, E Parmeggiano, S Pelczar, K Pelliccia, N Perasso, S Pocar, A Pordes, S Pugachev, DA Qian, H Randle, K Ranucci, G Razeto, A Reinhold, B Renshaw, AL Romani, A Rossi, B Rossi, N Rountree, SD Sablone, D Saggese, P Saldanha, R Sands, W Sangiorgio, S Savarese, C Segreto, E Semenov, DA Shields, E Singh, PN DSkorokhvatov, M Smirnov, O Sotnikov, A Stanford, C Suvorov, Y Tartaglia, R Tatarowicz, J Testera, G Tonazzo, A Trinchese, P Unzhakov, EV Vishneva, A Vogelaar, B Wada, M Walker, S Wangh, H Wang, Y Watson, AW Wilhelmi, J Wojcik, MM Xiang, X Xu, J Yang, C Yoo, J Zavatarelli, S Zec, A Zhong, W Zhu, C Zuzel, G AF Westerdale, S. Agnes, P. Agostino, L. Albuquerque, I. F. M. Alexander, T. Alton, A. K. Arisaka, K. Back, H. Baldin, B. Biery, K. Bonfin, G. Bossa, M. Bottino, B. Brigatti, A. Brodsky, J. Budano, F. Bussino, S. Cadeddu, M. Cadonati, L. Cadoni, M. Calaprice, F. Canci, N. Candela, A. Cao, H. Cariello, M. Carlini, M. Catalanotti, S. Cavalcante, P. Chepurnov, A. Cocco, A. G. Covone, G. D'Angelo, D. D'Incecco, M. Davini, S. De Cecco, S. De Deo, M. De Vincenzi, M. Derbin, A. Devoto, A. Di Eusanio, F. Di Pietro, G. Edkins, E. Empl, A. Fan, A. Fiorillo, G. Fomenko, K. Foster, G. Franco, D. Gabriele, F. Galbiati, C. Giganti, C. Goretti, A. M. Granato, F. Grandi, L. Gromov, M. Guan, M. Guardincerri, Y. Hackett, B. R. Herner, K. R. Hungerford, E. V. Ianni, Aldo Ianni, Andrea James, I. Jollet, C. Keeter, K. Kendziora, C. L. Kobychev, V. Koh, G. Korablev, D. Korga, G. Kubankin, A. Li, X. Lissia, M. Lombardi, P. Luitz, S. Ma, Y. Machulin, I. N. Mandarano, A. Mari, S. M. Maricic, J. Marini, L. Martoff, C. J. Meregaglia, A. Meyers, P. D. Miletic, T. Milincic, R. Montanari, D. Monte, A. Montuschi, M. Monzani, M. E. Mosteiro, P. Mount, B. J. Muratova, V. N. Musico, P. Napolitano, J. Orsini, M. Ortica, F. Pagani, L. Pallavicini, M. Pantic, E. Parmeggiano, S. Pelczar, K. Pelliccia, N. Perasso, S. Pocar, A. Pordes, S. Pugachev, D. A. Qian, H. Randle, K. Ranucci, G. Razeto, A. Reinhold, B. Renshaw, A. L. Romani, A. Rossi, B. Rossi, N. Rountree, S. D. Sablone, D. Saggese, P. Saldanha, R. Sands, W. Sangiorgio, S. Savarese, C. Segreto, E. Semenov, D. A. Shields, E. Singh, P. N. DSkorokhvatov, M. Smirnov, O. Sotnikov, A. Stanford, C. Suvorov, Y. Tartaglia, R. Tatarowicz, J. Testera, G. Tonazzo, A. Trinchese, P. Unzhakov, E. V. Vishneva, A. Vogelaar, B. Wada, M. Walker, S. Wangh, H. Wang, Y. Watson, A. W. Wilhelmi, J. Wojcik, M. M. Xiang, X. Xu, J. Yang, C. Yoo, J. Zavatarelli, S. Zec, A. Zhong, W. Zhu, C. Zuzel, G. CA DarkSide Collaboration BE Fornengo, N Regis, M Zechlin, HS TI The DarkSide-50 outer detectors SO XIV INTERNATIONAL CONFERENCE ON TOPICS IN ASTROPARTICLE AND UNDERGROUND PHYSICS (TAUP 2015), PTS 1-7 SE Journal of Physics Conference Series LA English DT Proceedings Paper CT 14th International Conference on Topics in Astroparticle and Underground Physics (TAUP) CY SEP 07-11, 2015 CL Torino, ITALY SP Univ Torino, Ist Nazl Fisica Nucl, Ist Nazl Astrofisica, Agenzia Spaziale Italiana, Accademia Scienze Torino, Consorzio Interuniversitario Fis Spaziale, Int Union Pure & Appl Phys AB DarkSide-50 is a dark matter detection experiment searching for Weakly Interacting Massive Particles (WIMPs), in Gran Sasso National Laboratory. For experiments like DarkSide-50, neutrons are one of the primary backgrounds that can mimic WIMP signals. The experiment consists of three nested detectors: a liquid argon time projection chamber surrounded by two outer detectors. The outermost detector is a 10 m by 11 m cylindrical water Cherenkov detector with 80 PMTs, designed to provide shielding and muon vetoing. Inside the water Cherenkov detector is the 4 m diameter spherical boron-loaded liquid scintillator veto, with a cocktail of pseudocumene, trimethyl borate, and PPO wavelength shifter, designed to provide shielding, neutron vetoing, and in situ measurements of the TPC backgrounds. We present design and performance details of the DarkSide-50 outer detectors. C1 [Agnes, P.; Franco, D.; Perasso, S.; Tonazzo, A.] Univ Paris Diderot, Sorbonne Paris Cite, CNRS IN2P3,APC, CEA Irfu,Obs Paris, F-75205 Paris, France. [Agostino, L.; De Cecco, S.; Giganti, C.] Univ Paris Diderot, Univ Pierre & Marie Curie, CNRS IN2P3, LPNHE Paris, F-75252 Paris, France. [Westerdale, S.; Albuquerque, I. F. M.; Back, H.; Brodsky, J.; Calaprice, F.; Cao, H.; Di Eusanio, F.; Galbiati, C.; Ianni, Andrea; Koh, G.; Li, X.; Meyers, P. D.; Mosteiro, P.; Pocar, A.; Qian, H.; Razeto, A.; Rossi, B.; Sands, W.; Shields, E.; Stanford, C.; Wada, M.; Xiang, X.; Xu, J.; Zhu, C.] Princeton Univ, Dept Phys, Princeton, NJ 08544 USA. [Albuquerque, I. F. M.] Univ Sao Paulo, Inst Fis, BR-05508090 Sao Paulo, Brazil. [Alexander, T.; Cadonati, L.; Foster, G.; Monte, A.; Pocar, A.; Randle, K.; Zec, A.] Univ Massachusetts, Amherst Ctr Fundamental Interact, Amherst, MA 01003 USA. [Alexander, T.; Cadonati, L.; Foster, G.; Monte, A.; Pocar, A.; Randle, K.; Zec, A.] Univ Massachusetts, Dept Phys, Amherst, MA 01003 USA. [Alexander, T.; Baldin, B.; Biery, K.; Foster, G.; Guardincerri, Y.; Herner, K. R.; Kendziora, C. L.; Montanari, D.; Pordes, S.; Yoo, J.] Fermilab Natl Accelerator Lab, Batavia, IL 60510 USA. [Alton, A. K.] Augustana Univ, Dept Phys, Sioux Falls, SD 57197 USA. [Arisaka, K.; Fan, A.; Renshaw, A. L.; Suvorov, Y.; Wangh, H.; Wang, Y.] Univ Calif Los Angeles, Dept Phys & Astron, Los Angeles, CA 90095 USA. [Back, H.] Pacific NorthWest Natl Lab, Richland, WA 99354 USA. [Bonfin, G.; Canci, N.; Candela, A.; Carlini, M.; Cavalcante, P.; D'Incecco, M.; Davini, S.; De Deo, M.; Di Pietro, G.; Gabriele, F.; Galbiati, C.; Goretti, A. M.; Ianni, Aldo; Korga, G.; Mandarano, A.; Montuschi, M.; Orsini, M.; Razeto, A.; Rossi, N.; Sablone, D.; Savarese, C.; Suvorov, Y.; Tartaglia, R.] Lab Nazl Gran Sasso, I-67010 Assergi, AQ, Italy. [Bossa, M.; Davini, S.; Mandarano, A.; Savarese, C.] Gran Sasso Sci Inst, I-67100 Laquila, Italy. [Bottino, B.; Marini, L.; Pagani, L.; Pallavicini, M.] Univ Genoa, Dept Phys, I-16146 Genoa, Italy. [Bottino, B.; Cariello, M.; Marini, L.; Musico, P.; Pagani, L.; Pallavicini, M.; Testera, G.; Zavatarelli, S.] Ist Nazl Fis Nucl, Sez Genova, I-16146 Genoa, Italy. [Brigatti, A.; D'Angelo, D.; Di Pietro, G.; Lombardi, P.; Parmeggiano, S.; Ranucci, G.; Saggese, P.] Ist Nazl Fis Nucl, Sez Milano, I-20133 Milan, Italy. [Budano, F.; Bussino, S.; De Vincenzi, M.; James, I.; Mari, S. M.] Ist Nazl Fis Nucl, Sez Roma Tre, I-00146 Rome, Italy. [Budano, F.; Bussino, S.; De Vincenzi, M.; James, I.; Mari, S. M.] Univ Rome Tre, Dept Math & Phys, I-00146 Rome, Italy. [Cadeddu, M.; Cadoni, M.; Devoto, A.] Univ Cagliari, Dept Phys, I-09042 Cagliari, Italy. [Cadeddu, M.; Cadoni, M.; Devoto, A.; Lissia, M.] Ist Nazl Fis Nucl, Sez Cagliari, I-09042 Cagliari, Italy. [Canci, N.; Empl, A.; Hungerford, E. V.; Korga, G.; Renshaw, A. L.; Singh, P. N.] Univ Houston, Dept Phys, Houston, TX 77204 USA. [Catalanotti, S.; Covone, G.; Fiorillo, G.; Granato, F.; Trinchese, P.; Walker, S.] Ist Nazl Fis Nucl, Sez Napoli, I-80126 Naples, Italy. [Catalanotti, S.; Cocco, A. G.; Covone, G.; Fiorillo, G.; Rossi, B.; Walker, S.] Univ Federico II, Dept Phys, I-80126 Naples, Italy. [Cavalcante, P.; Rountree, S. D.; Vogelaar, B.] Virginia Tech, Dept Phys, Blacksburg, VA 24061 USA. [Chepurnov, A.; Gromov, M.] Lomonosov Moscow State Univ, Skobeltsyn Inst Nucl Phys, Moscow 119991, Russia. [D'Angelo, D.] Univ Milan, Dept Phys, I-20133 Milan, Italy. [Derbin, A.; Muratova, V. N.; Semenov, D. A.; Unzhakov, E. V.] NRC Kurchatov Inst, St Petersburg Nucl Phys Inst, Gatchina 188350, Russia. [Edkins, E.; Hackett, B. R.; Maricic, J.; Milincic, R.; Reinhold, B.] Univ Hawaii, Dept Phys & Astron, Honolulu, HI 96822 USA. [Fomenko, K.; Korablev, D.; Smirnov, O.; Sotnikov, A.; Vishneva, A.] Joint Inst Nucl Res, Dubna 141980, Russia. [Granato, F.; Martoff, C. J.; Miletic, T.; Napolitano, J.; Tatarowicz, J.; Watson, A. W.; Wilhelmi, J.] Temple Univ, Dept Phys, Philadelphia, PA 19122 USA. [Grandi, L.; Saldanha, R.] Univ Chicago, Enrico Fermi Inst, Kavli Inst, Chicago, IL 60637 USA. [Grandi, L.; Saldanha, R.] Univ Chicago, Dept Phys, Chicago, IL 60637 USA. [Guan, M.; Ma, Y.; Wang, Y.; Yang, C.; Zhong, W.] Inst High Energy Phys, Beijing 100049, Peoples R China. [Ianni, Aldo] Lab Subterraneo Canfranc, E-22880 Canfranc, Huesca, Spain. [Jollet, C.; Meregaglia, A.] 19 Univ Strasbourg, IPHC, CNRS IN2P3, F-67037 Strasbourg, France. [Keeter, K.; Mount, B. J.] Black Hills State Univ, Sch Nat Sci, Spearfish, SD 57799 USA. [Kobychev, V.] Natl Acad Sci Ukraine, Inst Natl Res, UA-03680 Kiev, Ukraine. [Kubankin, A.] Belgorod Natl Res Univ, Radiat Phys Lab, Belgorod 308007, Russia. [Luitz, S.; Monzani, M. E.] SLAC Natl Accelerator Lab, Menlo Pk, CA 94025 USA. [Machulin, I. N.; Pugachev, D. A.; DSkorokhvatov, M.; Suvorov, Y.] Natl Res Ctr Kurchatov Inst, Moscow 123182, Russia. [Machulin, I. N.; Pugachev, D. A.; DSkorokhvatov, M.] Natl Res Nucl Univ MEPhI, Moscow 115409, Russia. [Ortica, F.; Pelliccia, N.; Romani, A.] Univ Perugia, Dept Chem Biol & Biotechnol, I-06123 Perugia, Italy. [Ortica, F.; Pelliccia, N.; Romani, A.] Ist Nazl Fis Nucl, Sez Perugia, I-06123 Perugia, Italy. [Pantic, E.] Univ Calif Davis, Dept Phys Univ, Davis, CA 95616 USA. [Pelczar, K.; Wojcik, M. M.; Zuzel, G.] Jagiellonian Univ, Smoluchowski Inst Phys, PL-30059 Krakow, Poland. [Sangiorgio, S.] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA. [Segreto, E.] Univ Estadual Campinas, Inst Phys Gleb Wataghin, BR-13083859 Sao Paulo, Brazil. [Wang, Y.] Univ Chinese Acad Sci, Sch Phys, Beijing 100049, Peoples R China. RP Westerdale, S (reprint author), Princeton Univ, Dept Phys, Princeton, NJ 08544 USA. EM shawest@princeton.edu RI Ortica, Fausto/C-1001-2013; Canci, Nicola/E-7498-2017; OI Ortica, Fausto/0000-0001-8276-452X; Canci, Nicola/0000-0002-4797-4297; Franco, Davide/0000-0001-5604-2531; Unzhakov, Evgeniy/0000-0003-2952-6412; Rossi, Nicola/0000-0002-7046-528X NR 9 TC 0 Z9 0 U1 3 U2 3 PU IOP PUBLISHING LTD PI BRISTOL PA DIRAC HOUSE, TEMPLE BACK, BRISTOL BS1 6BE, ENGLAND SN 1742-6588 J9 J PHYS CONF SER PY 2016 VL 718 AR UNSP 042062 DI 10.1088/1742-6596/718/4/042062 PG 7 WC Astronomy & Astrophysics; Physics, Particles & Fields; Physics, Mathematical SC Astronomy & Astrophysics; Physics GA BG7NA UT WOS:000391490200088 ER PT J AU Khromova, I Kuzel, P Brener, I Reno, JL Seu, UCC Elissalde, C Maglione, M Mounaix, P Mitrofanov, O AF Khromova, Irina Kuzel, Petr Brener, Igal Reno, John L. Seu, U-Chan Chung Elissalde, Catherine Maglione, Mario Mounaix, Patrick Mitrofanov, Oleg GP IEEE TI Near-field characterisation of anisotropic all-dielectric terahertz resonators SO 2016 10TH INTERNATIONAL CONGRESS ON ADVANCED ELECTROMAGNETIC MATERIALS IN MICROWAVES AND OPTICS (METAMATERIALS) LA English DT Proceedings Paper CT 10th International Congress on Advanced Electromagnetic Materials in Microwaves and Optics (METAMATERIALS) CY SEP 19-22, 2016 CL Chania, GREECE AB We extract the intrinsic properties of micrometre-sized anisotropic dielectric resonators through near-field time-domain terahertz spectorscopy. Narrow terahertz resonances corresponding to magnetic dipole modes in approximate to 30 mu m-sized mono-crystalline TiO2 spheres split due to material anisotropy. Ensembles of TiO2 resonators can form complex meta-atoms for unusual electromagnetic response in terahertz all-dielectric metamaterials. C1 [Khromova, Irina] Kings Coll London, Dept Phys, London WC2R 2LS, England. [Khromova, Irina] ITMO Univ, St Petersburg 199034, Russia. [Khromova, Irina] Univ Publ Navarra, Antennas Grp TERALAB, Campus Arrosadia, Navarra 31006, Spain. [Khromova, Irina; Mitrofanov, Oleg] UCL, Dept Elect & Elect Engn, Torrington Pl, London WC1E 7JE, England. [Kuzel, Petr] Acad Sci Czech Republic, Inst Phys, Prague 18221 8, Czech Republic. [Brener, Igal; Reno, John L.; Mitrofanov, Oleg] Sandia Natl Labs, Ctr Integrated Nanotechnol, Albuquerque, NM 87185 USA. [Brener, Igal; Reno, John L.] Sandia Natl Labs, Albuquerque, NM 87185 USA. [Seu, U-Chan Chung; Elissalde, Catherine; Maglione, Mario] Univ Bordeaux, ICMCB, CRNS, UPR 9048, 87 Ave Docteur Schweitzer, F-33608 Pessac, France. [Mounaix, Patrick] Univ Bordeaux, LOMA, CNRS, UMR 5798, 351 Cours Librat, F-33405 Talence, France. RP Khromova, I (reprint author), Kings Coll London, Dept Phys, London WC2R 2LS, England.; Khromova, I (reprint author), ITMO Univ, St Petersburg 199034, Russia.; Khromova, I (reprint author), Univ Publ Navarra, Antennas Grp TERALAB, Campus Arrosadia, Navarra 31006, Spain.; Khromova, I (reprint author), UCL, Dept Elect & Elect Engn, Torrington Pl, London WC1E 7JE, England. EM irina.khromova@kcl.ac.uk RI Mitrofanov, Oleg/C-1938-2008; Kuzel, Petr/G-6006-2014 OI Mitrofanov, Oleg/0000-0003-3510-2675; NR 5 TC 0 Z9 0 U1 1 U2 1 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA BN 978-1-5090-1803-1 PY 2016 BP 166 EP 168 PG 3 WC Engineering, Electrical & Electronic; Optics; Physics, Applied SC Engineering; Optics; Physics GA BG7MM UT WOS:000391449400056 ER PT J AU Komar, A Fang, Z Staude, I Decker, M Miroshnichenko, A Sautter, J Brener, I Kivshar, YS Neshev, DN AF Komar, Andrey Fang, Zheng Staude, Isabelle Decker, Manuel Miroshnichenko, Andrey Sautter, Juergen Brener, Igal Kivshar, Yuri S. Neshev, Dragomir N. GP IEEE TI Electrical tuning of all dielectric metasurfaces SO 2016 10TH INTERNATIONAL CONGRESS ON ADVANCED ELECTROMAGNETIC MATERIALS IN MICROWAVES AND OPTICS (METAMATERIALS) LA English DT Proceedings Paper CT 10th International Congress on Advanced Electromagnetic Materials in Microwaves and Optics (METAMATERIALS) CY SEP 19-22, 2016 CL Chania, GREECE AB We demonstrate experimentally electrical tuning of dielectric metasurface, consisting of silicon disks infiltrated with nematic liquid crystals. In particular, we show that by switching a control voltage on and off we can achieve 100% amplitude modulation and approximately pi phase shift. This is for the first time to our knowledge demonstration of electrical tuning of dielectric metasurfaces thus opening the way for new types of electrically tunable metadevices, including dynamic displays and holograms. C1 [Komar, Andrey; Fang, Zheng; Staude, Isabelle; Decker, Manuel; Miroshnichenko, Andrey; Sautter, Juergen; Kivshar, Yuri S.; Neshev, Dragomir N.] Australian Natl Univ, Nonlinear Phys Ctr, Res Sch Phys & Engn, Canberra, ACT 2601, Australia. [Brener, Igal] Sandia Natl Labs, Ctr Integrated Nanotechnol, Albuquerque, NM USA. RP Komar, A (reprint author), Australian Natl Univ, Nonlinear Phys Ctr, Res Sch Phys & Engn, Canberra, ACT 2601, Australia. EM andrei.komar@edu.anu.au OI Miroshnichenko, Andrey/0000-0001-9607-6621 NR 2 TC 0 Z9 0 U1 7 U2 7 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA BN 978-1-5090-1803-1 PY 2016 BP 187 EP 189 PG 3 WC Engineering, Electrical & Electronic; Optics; Physics, Applied SC Engineering; Optics; Physics GA BG7MM UT WOS:000391449400063 ER PT J AU Rao, NSV Ma, CYT Hausken, K He, F Zhuang, J AF Rao, Nageswara S. V. Ma, Chris Y. T. Hausken, Kjell He, Fei Zhuang, Jun GP IEEE TI Defense Strategies for Infrastructures with Multiple Systems of Components SO 2016 19TH INTERNATIONAL CONFERENCE ON INFORMATION FUSION (FUSION) LA English DT Proceedings Paper CT 19th International Conference on Information Fusion (FUSION) CY JUL 05-08, 2016 CL Heidelberg, GERMANY SP Robert Bosch GmbH, ATLAS ELEKTRONIK, RANDOM SETS LLC, Syst & Technol Res, Metron, Continental, AIRBUS, BECKHOFF, Springer, Int Soc Informat Fus, Intelligent Sensor Actuator Syst, Karlsruhe Inst Technol, Fraunhofer, VDE, COMO, Conf Catalysts LLC, IEEE, AESS Soc ID ATTACKER AB In several critical infrastructures correlations between the constituent systems represent certain vulnerabilities: disruptions to one may propagate to others and possibly to the entire infrastructure. The correlations between the systems are characterized in two ways in this paper: (i) the aggregate failure correlation function specifies the conditional failure probability of the infrastructure given the failure of an individual system, and (ii) the pairwise correlation function between two systems specifies the failure probability of one system given the failure of the other. The survival probabilities of individual systems satisfy first-order differential conditions that generalize the contest success functions and statistical independence conditions. We formulate a problem of ensuring the resilience of an infrastructure as a game between the provider and attacker; their utility functions are sums of infrastructure survival probability terms and cost terms, both expressed in terms of the numbers of system components attacked and reinforced. We derive Nash Equilibrium conditions and sensitivity functions that highlight the dependence of infrastructure resilience on the cost terms, correlation functions, and individual system survival probabilities. We apply these results to models of distributed cloud computing and energy grid infrastructures. C1 [Rao, Nageswara S. V.] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA. [Ma, Chris Y. T.] Adv Digital Sci Ctr, Singapore, Singapore. [Hausken, Kjell] Univ Stavanger, Stavanger, Norway. [He, Fei] Texas A&M Univ, College Stn, TX 77843 USA. [Zhuang, Jun] SUNY Buffalo, Buffalo, NY 14226 USA. RP Rao, NSV (reprint author), Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA. NR 17 TC 0 Z9 0 U1 1 U2 1 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA BN 978-0-9964-5274-8 PY 2016 BP 270 EP 277 PG 8 WC Computer Science, Theory & Methods; Engineering, Electrical & Electronic SC Computer Science; Engineering GA BG7HA UT WOS:000391273400037 ER PT J AU Sen, S Rao, NSV Wu, CQ Berry, ML Grieme, KM Brooks, RR Cordone, G AF Sen, Satyabrata Rao, Nageswara S. V. Wu, Chase Q. Berry, Mark L. Grieme, Kayla M. Brooks, Richard R. Cordone, Guthrie GP IEEE TI Performance Analysis of Wald-Statistic Based Network Detection Methods for Radiation Sources SO 2016 19TH INTERNATIONAL CONFERENCE ON INFORMATION FUSION (FUSION) LA English DT Proceedings Paper CT 19th International Conference on Information Fusion (FUSION) CY JUL 05-08, 2016 CL Heidelberg, GERMANY SP Robert Bosch GmbH, ATLAS ELEKTRONIK, RANDOM SETS LLC, Syst & Technol Res, Metron, Continental, AIRBUS, BECKHOFF, Springer, Int Soc Informat Fus, Intelligent Sensor Actuator Syst, Karlsruhe Inst Technol, Fraunhofer, VDE, COMO, Conf Catalysts LLC, IEEE, AESS Soc ID DISTRIBUTED SENSOR NETWORKS; RADIOACTIVE SOURCES; POISSON; TESTS AB There have been increasingly large deployments of radiation detection networks that require computationally fast algorithms to produce prompt results over ad-hoc sub-networks of mobile devices, such as smart-phones. These algorithms are in sharp contrast to complex network algorithms that necessitate all measurements to be sent to powerful central servers. In this work, at individual sensors, we employ Wald-statistic based detection algorithms which are computationally very fast, and are implemented as one of three Z-tests and four chi-square tests. At fusion center, we apply the K-out-of-N fusion to combine the sensors' hard decisions. We characterize the performance of detection methods by deriving analytical expressions for the distributions of underlying test statistics, and by analyzing the fusion performances in terms of K,N, and the false-alarm rates of individual detectors. We experimentally validate our methods using measurements from indoor and outdoor characterization tests of the Intelligence Radiation Sensors Systems (IRSS) program. In particular, utilizing the outdoor measurements, we construct two important real-life scenarios, boundary surveillance and portal monitoring, and present the results of our algorithms. C1 [Sen, Satyabrata; Rao, Nageswara S. V.] Oak Ridge Natl Lab, Comp Sci & Math Div, Oak Ridge, TN 37831 USA. [Wu, Chase Q.; Berry, Mark L.; Grieme, Kayla M.] New Jersey Inst Technol, Dept Comp Sci, Newark, NJ 07102 USA. [Brooks, Richard R.; Cordone, Guthrie] Clemson Univ, Dept Elect & Comp Eng, Clemson, SC 29634 USA. RP Sen, S (reprint author), Oak Ridge Natl Lab, Comp Sci & Math Div, Oak Ridge, TN 37831 USA. EM sens@ornl.gov; raons@ornl.gov; chasewu@njit.edu; mlb32@njit.edu; kmg38@njit.edu; rrb@clemson.edu; gcordon@clemson.edu NR 20 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA BN 978-0-9964-5274-8 PY 2016 BP 820 EP 827 PG 8 WC Computer Science, Theory & Methods; Engineering, Electrical & Electronic SC Computer Science; Engineering GA BG7HA UT WOS:000391273400110 ER PT J AU Liu, Q Rao, NSV AF Liu, Qiang Rao, Nageswara S. V. GP IEEE TI State Estimation and Fusion Over Long-Haul Links Under Linear Constraints SO 2016 19TH INTERNATIONAL CONFERENCE ON INFORMATION FUSION (FUSION) LA English DT Proceedings Paper CT 19th International Conference on Information Fusion (FUSION) CY JUL 05-08, 2016 CL Heidelberg, GERMANY SP Robert Bosch GmbH, ATLAS ELEKTRONIK, RANDOM SETS LLC, Syst & Technol Res, Metron, Continental, AIRBUS, BECKHOFF, Springer, Int Soc Informat Fus, Intelligent Sensor Actuator Syst, Karlsruhe Inst Technol, Fraunhofer, VDE, COMO, Conf Catalysts LLC, IEEE, AESS Soc DE Long-haul sensor networks; state estimate fusion; error covariance matrices; linear constraints; root-mean-square; error (RMSE) performance; null-space method ID EQUALITY CONSTRAINTS; NETWORKS AB We consider a number of sensors deployed over a large geographical area for tracking a target with linear constraints on its motion dynamics which are specified by Kalman filter conditions. The state estimates from the sensors are sent over long-haul networks to a remote fusion center, where they are fused to improve the tracking accuracy. The mismatches among the sensors in incorporating the target motion constraints into their state estimates, along with the information loss over the long-haul links, need to be accounted for by the state estimation and fusion algorithms. We propose using the null-space method to incorporate these constraints into three fusion algorithms based on information matrix, simple linear fuser and covariance intersection methods. Then using a tracking example, we study the impact of these factors and compare the accuracy of these fusion algorithms. Results show that incorporating knowledge of constraints directly or indirectly at the fusion center can effectively improve the overall tracking accuracy under various degrees of long-haul communication loss. C1 [Liu, Qiang; Rao, Nageswara S. V.] Oak Ridge Natl Lab, Comp Sci & Math Div, Oak Ridge, TN 37831 USA. RP Liu, Q (reprint author), Oak Ridge Natl Lab, Comp Sci & Math Div, Oak Ridge, TN 37831 USA. EM liuq1@ornl.gov; raons@ornl.gov NR 23 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA BN 978-0-9964-5274-8 PY 2016 BP 1937 EP 1944 PG 8 WC Computer Science, Theory & Methods; Engineering, Electrical & Electronic SC Computer Science; Engineering GA BG7HA UT WOS:000391273400258 ER PT S AU Liu, QR Jung, CH Lee, DY Tiwari, D AF Liu, Qingrui Jung, Changhee Lee, Dongyoon Tiwari, Devesh GP IEEE TI Low-Cost Soft Error Resilience with Unified Data Verification and Fine-Grained Recovery for Acoustic Sensor Based Detection SO 2016 49TH ANNUAL IEEE/ACM INTERNATIONAL SYMPOSIUM ON MICROARCHITECTURE (MICRO) SE International Symposium on Microarchitecture Proceedings LA English DT Proceedings Paper CT 49th Annual IEEE/ACM International Symposium on Microarchitecture (MICRO) CY OCT 15-19, 2016 CL Taipei, TAIWAN SP IEEE, ACM, ASE Grp, IBM, Innergie, Oracle, TSMC, Minist Sci & Technol, ADVANTECH, ARM, facebook, Intel, Ind Technol Res Inst, MEDIATEK, MEDIATEK NTU, Microsoft, QUALCOMM, MARVELL, NVIDIA, Natl Taiwan Univ, Dept CSIE, TAIPEI, TAIPEI, Dept Informat & Tourism DE Soft Error Resilience; Fine-Grained Recovery; Acoustic Sensor; Compiler; Region Boundary Buffer ID FAULT-TOLERANCE; MICROPROCESSORS; RELIABILITY AB This paper presents Turnstile, a hardware/software cooperative technique for low-cost soft error resilience. Leveraging the recent advance of acoustic sensor based soft error detection, Turnstile achieves guaranteed recovery by taking into account the bounded detection latency. The compiler forms verifiable regions and selectively inserts store instructions to checkpoint their register inputs so that Turnstile can verify the register/memory states with regard to a region boundary in a unified way without expensive register file protection. At runtime, for each region, Turnstile regards any stores (to both memory and register checkpoints) as unverified, and thus holds them in a store queue until the region ends and spends the time of the error detection latency. If no error is detected during the time, the verified stores are merged into memory systems, and registers are checkpointed. When all the stores including checkpointing stores prior to a region boundary are verified, the architectural and memory states with regard to the boundary are verified, thus it can serve as a recovery point. In this way, Turnstile contains the errors within the core without extra memory buffering. When an error is detected, Turnstile invalidates unverified entries in the store queue and restores the checkpointed register values to get the architectural and memory states back to what they were at the most recently verified region boundary. Then, Turnstile simply redirects program control to the verified region boundary and continues execution. The experimental results demonstrate that Turnstile can offer guaranteed soft error recovery with low performance overhead (<8% on average). C1 [Liu, Qingrui; Jung, Changhee; Lee, Dongyoon] Virginia Tech, Blacksburg, VA 24061 USA. [Tiwari, Devesh] Oak Ridge Natl Lab, Oak Ridge, TN USA. RP Liu, QR (reprint author), Virginia Tech, Blacksburg, VA 24061 USA. EM lqingrui@vt.edu; chjung@cs.vt.edu; dongyoon@vt.edu; tiwari@ornl.gov NR 48 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 1072-4451 BN 978-1-5090-3508-3 J9 INT SYMP MICROARCH PY 2016 PG 12 WC Computer Science, Hardware & Architecture; Computer Science, Theory & Methods SC Computer Science GA BG7JI UT WOS:000391364100025 ER PT S AU Mitra, S Javagal, S Maji, A Gamblin, T Moody, A Harrell, S Bagchi, S AF Mitra, Subrata Javagal, Suhas Maji, Amiya Gamblin, Todd Moody, Adam Harrell, Stephen Bagchi, Saurabh GP IEEE TI A Study of Failures in Community Clusters: The Case of Conte SO 2016 IEEE 27TH INTERNATIONAL SYMPOSIUM ON SOFTWARE RELIABILITY ENGINEERING WORKSHOPS (ISSREW) SE IEEE International Symposium on Software Reliability Engineering Workshops LA English DT Proceedings Paper CT 27th IEEE International Symposium on Software Reliability Engineering (ISSRE) CY OCT 23-27, 2016 CL Ottawa, CANADA SP IEEE, Carleton Univ, IEEE Comp Soc, Carleton Univ, Fac Engn & Design, Reliabil Soc AB Large community clusters are becoming increasingly common in universities and other organizations due to the benefits they provide to the researchers in terms of operational costs and resource availability. However, efficient administration, failure diagnosis, and performance debugging on community clusters are challenging tasks due to the sheer diversity of workloads and users. These clusters are typically shared by users coming from various scientific domains and experience levels. Many users have little experience in computing and, hence, often face performance issues-leading to resource wastage. In this paper, we study these dynamics in one of the largest university-wide community clusters (Conte at Purdue University). We perform in-depth analysis of library and application usage patterns, job failures and performance issues. Further, we introduce a set of novel analysis techniques that can be used to identify hidden trends and diagnose job failures in compute clusters in general. We provide concrete recommendations for the cluster administrators and present case studies highlighting how such information can be used to proactively solve many user issues, ultimately leading to better quality of service. C1 [Mitra, Subrata; Javagal, Suhas; Maji, Amiya; Harrell, Stephen; Bagchi, Saurabh] Purdue Univ, W Lafayette, IN 47907 USA. [Gamblin, Todd; Moody, Adam] Lawrence Livermore Natl Lab, Livermore, CA USA. RP Mitra, S (reprint author), Purdue Univ, W Lafayette, IN 47907 USA. NR 22 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 2375-821X BN 978-1-5090-3601-1 J9 IEEE INT SYMP SOFTW PY 2016 BP 189 EP 196 DI 10.1109/ISSREW.2016.7 PG 8 WC Computer Science, Software Engineering; Engineering, Electrical & Electronic SC Computer Science; Engineering GA BG7JT UT WOS:000391391100036 ER PT S AU Azad, A Buluc, A AF Azad, Ariful Buluc, Aydin GP IEEE TI Distributed-Memory Algorithms for Maximum Cardinality Matching in Bipartite Graphs SO 2016 IEEE 30TH INTERNATIONAL PARALLEL AND DISTRIBUTED PROCESSING SYMPOSIUM (IPDPS 2016) SE International Parallel and Distributed Processing Symposium IPDPS LA English DT Proceedings Paper CT 30th IEEE International Parallel and Distributed Processing Symposium (IPDPS) CY MAY 23-27, 2016 CL Illinois Inst Technol, Chicago, IL SP IEEE, IEEE Comp Soc, Tech Comm Parallel Proc, ACM SIGARCH, IEEE Comp Soc Tech Comm Comp Architecture, IEEE Comp Soc Tech Comm Distributed Proc HO Illinois Inst Technol ID PARALLEL ALGORITHMS; SYSTEMS AB We design and implement scalable distributed-memory algorithms for maximum cardinality matching in bipartite graphs. Computing matchings on distributed-memory supercomputers is challenged by the irregular and asynchronous data access patterns in graph searches and the difficulty in processing long paths passing through multiple processors. We address these challenges by developing an algorithm based on matrix algebra. We employ bulk-synchronous matrix algebraic modules to implement graph searches, and Remote Memory Access (RMA) operations to map asynchronous light-weight graph accesses. On real matrices, our algorithm achieves up to 18x speedup when we go from 24 cores to 2048 cores of a Cray XC30 supercomputer. Even higher speedups are obtained on larger synthetically generated graphs where our algorithms show good scaling on up to 12,000 cores. C1 [Azad, Ariful; Buluc, Aydin] Lawrence Berkeley Natl Lab, Computat Res Div, Berkeley, CA 94720 USA. RP Azad, A (reprint author), Lawrence Berkeley Natl Lab, Computat Res Div, Berkeley, CA 94720 USA. EM azad@lbl.gov; abuluc@lbl.gov NR 30 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 1530-2075 BN 978-1-5090-2140-6 J9 INT PARALL DISTRIB P PY 2016 BP 32 EP 42 DI 10.1109/IPDPS.2016.103 PG 11 WC Computer Science, Hardware & Architecture; Computer Science, Theory & Methods; Engineering, Electrical & Electronic SC Computer Science; Engineering GA BG7EZ UT WOS:000391251800005 ER PT S AU Atzeni, S Gopalakrishnan, G Rakamaric, Z Ahn, DH Laguna, I Schulz, M Lee, GL Protze, J Muller, MS Muller, MS AF Atzeni, Simone Gopalakrishnan, Ganesh Rakamaric, Zvonimir Ahn, Dong H. Laguna, Ignacio Schulz, Martin Lee, Gregory L. Protze, Joachim Mueller, Matthias S. Mueller, Matthias S. GP IEEE TI ARCHER: Effectively Spotting Data Races in Large OpenMP Applications SO 2016 IEEE 30TH INTERNATIONAL PARALLEL AND DISTRIBUTED PROCESSING SYMPOSIUM (IPDPS 2016) SE International Parallel and Distributed Processing Symposium IPDPS LA English DT Proceedings Paper CT 30th IEEE International Parallel and Distributed Processing Symposium (IPDPS) CY MAY 23-27, 2016 CL Illinois Inst Technol, Chicago, IL SP IEEE, IEEE Comp Soc, Tech Comm Parallel Proc, ACM SIGARCH, IEEE Comp Soc Tech Comm Comp Architecture, IEEE Comp Soc Tech Comm Distributed Proc HO Illinois Inst Technol DE data race detection; OpenMP; high performance computing; static analysis; dynamic analysis AB OpenMP plays a growing role as a portable programming model to harness on-node parallelism; yet, existing data race checkers for OpenMP have high overheads and generate many false positives. In this paper, we propose the first OpenMP data race checker, ARCHER, that achieves high accuracy, low overheads on large applications, and portability. ARCHER incorporates scalable happens-before tracking, exploits structured parallelism via combined static and dynamic analysis, and modularly interfaces with OpenMP runtimes. ARCHER significantly outperforms TSan and Intel (R) Inspector XE, while providing the same or better precision. It has helped detect critical data races in the Hypre library that is central to many projects at Lawrence Livermore National Laboratory and elsewhere. C1 [Atzeni, Simone; Gopalakrishnan, Ganesh; Rakamaric, Zvonimir] Univ Utah, Salt Lake City, UT 84112 USA. [Ahn, Dong H.; Laguna, Ignacio; Schulz, Martin; Lee, Gregory L.] Lawrence Livermore Natl Lab, Livermore, CA USA. [Mueller, Matthias S.; Mueller, Matthias S.] Rhein Westfal TH Aachen, Aachen, Germany. RP Atzeni, S (reprint author), Univ Utah, Salt Lake City, UT 84112 USA. EM simone@cs.utah.edu; ganesh@cs.utah.edu; zvonimir@cs.utah.edu; ahnl@llnl.gov; lagunaperaltl@llnl.gov; schulzm@llnl.gov; lee218@llnl.gov; protze@itc.rwth-aachen.de; mueller@itc.rwth-aachen.de NR 32 TC 1 Z9 1 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 1530-2075 BN 978-1-5090-2140-6 J9 INT PARALL DISTRIB P PY 2016 BP 53 EP 62 DI 10.1109/IPDPS.2016.68 PG 10 WC Computer Science, Hardware & Architecture; Computer Science, Theory & Methods; Engineering, Electrical & Electronic SC Computer Science; Engineering GA BG7EZ UT WOS:000391251800007 ER PT S AU Tallent, NR Manzano, JB Gawande, NA Kang, S Kerbyson, DJ Hoisie, A Cross, JK AF Tallent, Nathan R. Manzano, Joseph B. Gawande, Nitin A. Kang, Seunghwa Kerbyson, Darren J. Hoisie, Adolfy Cross, Joseph K. GP IEEE TI Algorithm and Architecture Independent Benchmarking with SEAK SO 2016 IEEE 30TH INTERNATIONAL PARALLEL AND DISTRIBUTED PROCESSING SYMPOSIUM (IPDPS 2016) SE International Parallel and Distributed Processing Symposium IPDPS LA English DT Proceedings Paper CT 30th IEEE International Parallel and Distributed Processing Symposium (IPDPS) CY MAY 23-27, 2016 CL Illinois Inst Technol, Chicago, IL SP IEEE, IEEE Comp Soc, Tech Comm Parallel Proc, ACM SIGARCH, IEEE Comp Soc Tech Comm Comp Architecture, IEEE Comp Soc Tech Comm Distributed Proc HO Illinois Inst Technol DE constraining problem; bottleneck specification; functional; mission interface; tradeoff evaluation ID IMAGE FUSION; PERFORMANCE; SUITE AB Many applications of high performance embedded computing are constrained by performance or power bottlenecks. We designed a new benchmark suite, the Suite for Embedded Applications and Kernels (SEAK), (a) to capture these bottlenecks in a way that encourages creative solutions; and (b) to facilitate rigorous tradeoff evaluation for their solutions. To avoid biases toward existing solutions, both algorithms and architecture are variables. Thus, each benchmark has a mission-centric (abstracted from a particular algorithm) and goal-oriented (functional) specification. To encourage solutions that are any combination of software or hardware, we use an end-user black-box evaluation. To inform procurement decisions, evaluations capture tradeoffs between performance, power, accuracy, size, and weight. We call our benchmarks future proof because they remain useful despite shifting algorithmic/architectural preferences. To create both concise and precise mission-centric specifications, we introduce two distinct benchmark classes. This paper describes the SEAK suite and presents an evaluation of sample solutions that highlights power and performance tradeoffs. C1 [Tallent, Nathan R.; Manzano, Joseph B.; Gawande, Nitin A.; Kang, Seunghwa; Kerbyson, Darren J.; Hoisie, Adolfy] Pacific Northwest Natl Lab, Richland, WA 99354 USA. [Cross, Joseph K.] Def Adv Res Projects Agcy, Arlington, VA USA. RP Tallent, NR (reprint author), Pacific Northwest Natl Lab, Richland, WA 99354 USA. EM tallent@pnnl.gov; joseph.manzano@pnnl.gov; nitin.gawande@pnnl.gov; seunghwa.kang@pnnl.gov; darren.kerbyson@pnnl.gov; adolfy.hoisie@pnnl.gov; joseph.cross@darpa.mil NR 36 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 1530-2075 BN 978-1-5090-2140-6 J9 INT PARALL DISTRIB P PY 2016 BP 63 EP 72 DI 10.1109/IPDPS.2016.25 PG 10 WC Computer Science, Hardware & Architecture; Computer Science, Theory & Methods; Engineering, Electrical & Electronic SC Computer Science; Engineering GA BG7EZ UT WOS:000391251800008 ER PT S AU Bhatele, A Jain, N Livnat, Y Pascucci, V Bremer, PT AF Bhatele, Abhinav Jain, Nikhil Livnat, Yarden Pascucci, Valerio Bremer, Peer-Timo GP IEEE TI Analyzing Network Health and Congestion in Dragonfly-based Supercomputers SO 2016 IEEE 30TH INTERNATIONAL PARALLEL AND DISTRIBUTED PROCESSING SYMPOSIUM (IPDPS 2016) SE International Parallel and Distributed Processing Symposium IPDPS LA English DT Proceedings Paper CT 30th IEEE International Parallel and Distributed Processing Symposium (IPDPS) CY MAY 23-27, 2016 CL Illinois Inst Technol, Chicago, IL SP IEEE, IEEE Comp Soc, Tech Comm Parallel Proc, ACM SIGARCH, IEEE Comp Soc Tech Comm Comp Architecture, IEEE Comp Soc Tech Comm Distributed Proc HO Illinois Inst Technol DE dragonfly network; congestion; inter-job interference; simulation; visual analytics AB The dragonfly topology is a popular choice for building high-radix, low-diameter, hierarchical networks with high-bandwidth links. On Cray installations of the dragonfly network, job placement policies and routing inefficiencies can lead to significant network congestion for a single job and multi-job workloads. In this paper, we explore the effects of job placement, parallel workloads and network configurations on network health to develop a better understanding of inter-job interference. We have developed a functional network simulator, Damselfly, to model the network behavior of Cray Cascade, and a visual analytics tool, DragonView, to analyze the simulation output. We simulate several parallel workloads based on five representative communication patterns on up to 131,072 cores. Our simulations and visualizations provide unique insight into the buildup of network congestion and present a trade-off between deployment dollar costs and performance of the network. C1 [Bhatele, Abhinav; Bremer, Peer-Timo] Lawrence Livermore Natl Lab, Ctr Appl Sci Comp, Livermore, CA 94551 USA. [Jain, Nikhil] Univ Illinois, Dept Comp Sci, Urbana, IL 61801 USA. [Livnat, Yarden; Pascucci, Valerio; Bremer, Peer-Timo] Univ Utah, Sci Comp & Imaging Inst, Salt Lake City, UT 84112 USA. RP Bhatele, A (reprint author), Lawrence Livermore Natl Lab, Ctr Appl Sci Comp, Livermore, CA 94551 USA. EM bhatele@llnl.gov; nikhil@illinois.edu; yarden@sci.utah.edu; pascucci@sci.utah.edu; ptbremer@llnl.gov NR 16 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 1530-2075 BN 978-1-5090-2140-6 J9 INT PARALL DISTRIB P PY 2016 BP 93 EP 102 DI 10.1109/IPDPS.2016.123 PG 10 WC Computer Science, Hardware & Architecture; Computer Science, Theory & Methods; Engineering, Electrical & Electronic SC Computer Science; Engineering GA BG7EZ UT WOS:000391251800011 ER PT S AU Faizian, P Mollah, MA Yuan, X Pakin, S Lang, M AF Faizian, Peyman Mollah, Md Atiqul Yuan, Xin Pakin, Scott Lang, Michael GP IEEE TI Random Regular Graph and Generalized De Bruijn Graph with k-shortest Path Routing SO 2016 IEEE 30TH INTERNATIONAL PARALLEL AND DISTRIBUTED PROCESSING SYMPOSIUM (IPDPS 2016) SE International Parallel and Distributed Processing Symposium IPDPS LA English DT Proceedings Paper CT 30th IEEE International Parallel and Distributed Processing Symposium (IPDPS) CY MAY 23-27, 2016 CL Illinois Inst Technol, Chicago, IL SP IEEE, IEEE Comp Soc, Tech Comm Parallel Proc, ACM SIGARCH, IEEE Comp Soc Tech Comm Comp Architecture, IEEE Comp Soc Tech Comm Distributed Proc HO Illinois Inst Technol DE network; topology; random regular graph; generalized De Bruijn graph; k-shortest path routing ID DIAMETER AB Random regular graph (RRG) has recently been proposed as an interconnect topology for future large scale data centers and HPC clusters. While various studies have been performed, this topology is still not well understood. RRG is a special case of directed regular graph (DRG) where each link is unidirectional and all nodes have the same number of incoming and outgoing links. In this work, we establish bounds for DRG on diameter, average k-shortest path length, and a load balancing property with k-shortest path routing, and use these bounds to evaluate RRG. The results indicate that RRG with k-shortest path routing is not ideal in terms of diameter and load balancing. We further consider the Generalized De Bruijn Graph (GDBG), a deterministic DRG, and prove that for most network configurations, GDBG is near optimal in terms of diameter, average k-shortest path length, and load balancing with a k-shortest path routing scheme. Finally, we explore the strengths and weaknesses of RRG for different traffic conditions by comparing RRG with GDBG. C1 [Faizian, Peyman; Mollah, Md Atiqul; Yuan, Xin] Florida State Univ, Dept Comp Sci, Tallahassee, FL 32306 USA. [Pakin, Scott; Lang, Michael] Los Alamos Natl Lab, Comp Computat & Stat Sci, Los Alamos, NM USA. RP Faizian, P (reprint author), Florida State Univ, Dept Comp Sci, Tallahassee, FL 32306 USA. EM faizian@cs.fsu.edu; mollah@cs.fsu.edu; xyuan@cs.fsu.edu; pakin@lanl.gov; mlang@lanl.gov OI Pakin, Scott/0000-0002-5220-1985 NR 15 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 1530-2075 BN 978-1-5090-2140-6 J9 INT PARALL DISTRIB P PY 2016 BP 103 EP 112 DI 10.1109/IPDPS.2016.44 PG 10 WC Computer Science, Hardware & Architecture; Computer Science, Theory & Methods; Engineering, Electrical & Electronic SC Computer Science; Engineering GA BG7EZ UT WOS:000391251800012 ER PT S AU Jacquelin, M Yang, C Lin, L Wichmann, N AF Jacquelin, Mathias Yang, Chao Lin, Lin Wichmann, Nathan GP IEEE TI Enhancing scalability and load balancing of Parallel Selected Inversion via tree-based asynchronous communication SO 2016 IEEE 30TH INTERNATIONAL PARALLEL AND DISTRIBUTED PROCESSING SYMPOSIUM (IPDPS 2016) SE International Parallel and Distributed Processing Symposium IPDPS LA English DT Proceedings Paper CT 30th IEEE International Parallel and Distributed Processing Symposium (IPDPS) CY MAY 23-27, 2016 CL Illinois Inst Technol, Chicago, IL SP IEEE, IEEE Comp Soc, Tech Comm Parallel Proc, ACM SIGARCH, IEEE Comp Soc Tech Comm Comp Architecture, IEEE Comp Soc Tech Comm Distributed Proc HO Illinois Inst Technol DE selected inversion; distributed memory; parallel algorithm; asynchronous data communication; collective communication; high performance computation; load balancing ID SPARSE-MATRIX; FIND ALGORITHM; ENTRIES; SYSTEMS AB We develop a method for improving the parallel scalability of computations that involve asynchronous task execution. We apply this method to the recently developed parallel selected inversion algorithm [Jacquelin, Lin and Yang 2014], named PSelInv, on massively parallel distributed memory machines. In the PSelInv method, we compute selected elements of the inverse of a sparse matrix A that can be decomposed as A = LU, where L is lower triangular and U is upper triangular. Computing these selected elements of A(-1) requires restricted collective communications among a subset of processors within each column or row communication group created by a block cyclic distribution of L and U. We describe how this type of restricted collective communication can be implemented using asynchronous point-to-point MPI communications combined with a binary tree based data propagation scheme. Because multiple restricted collective communications may take place at the same time, we need to use a heuristic to prevent processors participating in multiple collective communications from receiving too many messages. This heuristic allows us to reduce communication load imbalance and improve the overall scalability of the selected inversion algorithm. For instance, when 6, 400 processors are used, we observe that the use of this heuristic leads to over 5x speedup for a number of test matrices. It also mitigates the performance variability introduced by an inhomogeneous network topology. C1 [Jacquelin, Mathias; Yang, Chao] Lawrence Berkeley Natl Lab, Scalable Solvers Grp, Berkeley, CA 94720 USA. [Lin, Lin] Univ Calif Berkeley, Dept Math, Berkeley, CA 94720 USA. [Lin, Lin] Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA. [Wichmann, Nathan] Cray Inc, Seattle, WA USA. RP Jacquelin, M (reprint author), Lawrence Berkeley Natl Lab, Scalable Solvers Grp, Berkeley, CA 94720 USA. EM mjacquelin@lbl.gov; cyang@lbl.gov; linlin@math.berkeley.edu; wichmann@cray.com NR 21 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 1530-2075 BN 978-1-5090-2140-6 J9 INT PARALL DISTRIB P PY 2016 BP 192 EP + DI 10.1109/IPDPS.2016.38 PG 11 WC Computer Science, Hardware & Architecture; Computer Science, Theory & Methods; Engineering, Electrical & Electronic SC Computer Science; Engineering GA BG7EZ UT WOS:000391251800021 ER PT S AU Bautista-Gomez, L Gainaru, A Perarnau, S Tiwari, D Gupta, S Engelmann, C Cappello, F Snir, M AF Bautista-Gomez, Leonardo Gainaru, Ana Perarnau, Swann Tiwari, Devesh Gupta, Saurabh Engelmann, Christian Cappello, Franck Snir, Marc GP IEEE TI Reducing Waste in Extreme Scale Systems through Introspective Analysis SO 2016 IEEE 30TH INTERNATIONAL PARALLEL AND DISTRIBUTED PROCESSING SYMPOSIUM (IPDPS 2016) SE International Parallel and Distributed Processing Symposium IPDPS LA English DT Proceedings Paper CT 30th IEEE International Parallel and Distributed Processing Symposium (IPDPS) CY MAY 23-27, 2016 CL Illinois Inst Technol, Chicago, IL SP IEEE, IEEE Comp Soc, Tech Comm Parallel Proc, ACM SIGARCH, IEEE Comp Soc Tech Comm Comp Architecture, IEEE Comp Soc Tech Comm Distributed Proc HO Illinois Inst Technol DE Supercomputers; Fault Tolerance; Resilience; Silent Data Corruption; Soft Errors; Introspective Systems AB Resilience is an important challenge for extreme-scale supercomputers. Today, failures in supercomputers are assumed to be uniformly distributed in time. However, recent studies show that failures in high-performance computing systems are partially correlated in time, generating periods of higher failure density. Our study of the failure logs of multiple supercomputers show that periods of higher failure density occur with up to three times more than the average. We design a monitoring system that listens to hardware events and forwards important events to the runtime to detect those regime changes. We implement a runtime capable of receiving notifications and adapt dynamically. In addition, we build an analytical model to predict the gains that such dynamic approach could achieve. We demonstrate that in some systems, our approach can reduce the wasted time by over 30%. C1 [Bautista-Gomez, Leonardo; Perarnau, Swann; Cappello, Franck; Snir, Marc] Argonne Natl Lab, Argonne, IL 60439 USA. [Gainaru, Ana; Snir, Marc] Univ Illinois, Champaign, IL USA. [Gainaru, Ana] Natl Ctr Supercomp & Applicat, Urbana, IL USA. [Tiwari, Devesh; Gupta, Saurabh; Engelmann, Christian] Oak Ridge Natl Lab, Oak Ridge, TN USA. RP Bautista-Gomez, L (reprint author), Argonne Natl Lab, Argonne, IL 60439 USA. NR 32 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 1530-2075 BN 978-1-5090-2140-6 J9 INT PARALL DISTRIB P PY 2016 BP 212 EP 221 DI 10.1109/IPDPS.2016.100 PG 10 WC Computer Science, Hardware & Architecture; Computer Science, Theory & Methods; Engineering, Electrical & Electronic SC Computer Science; Engineering GA BG7EZ UT WOS:000391251800023 ER PT S AU Vishnu, A van Dam, H Tallent, NR Kerbyson, DJ Hoisie, A AF Vishnu, Abhinav van Dam, Hubertus Tallent, Nathan R. Kerbyson, Darren J. Hoisie, Adolfy GP IEEE TI Fault Modeling of Extreme Scale Applications using Machine Learning SO 2016 IEEE 30TH INTERNATIONAL PARALLEL AND DISTRIBUTED PROCESSING SYMPOSIUM (IPDPS 2016) SE International Parallel and Distributed Processing Symposium IPDPS LA English DT Proceedings Paper CT 30th IEEE International Parallel and Distributed Processing Symposium (IPDPS) CY MAY 23-27, 2016 CL Illinois Inst Technol, Chicago, IL SP IEEE, IEEE Comp Soc, Tech Comm Parallel Proc, ACM SIGARCH, IEEE Comp Soc Tech Comm Comp Architecture, IEEE Comp Soc Tech Comm Distributed Proc HO Illinois Inst Technol AB Faults are commonplace in large scale systems. These systems experience a variety of faults such as transient, permanent and intermittent. Multi-bit faults are typically not corrected by the hardware resulting in an error. This paper attempts to answer an important question: Given a multi-bit fault in main memory, will it result in an application error and hence a recovery algorithm should be invoked - or can it be safely ignored? We propose an application fault modeling methodology to answer this question. Given a fault signature (a set of attributes comprising of system and application state), we use machine learning to create a model which predicts whether a multi-bit permanent/transient main memory fault will likely result in error. We present the design elements such as the fault injection methodology for covering important data structures, the application and system attributes which should be used for learning the model, the supervised learning algorithms (and potentially ensembles), and important metrics. We use three applications - NWChem, LULESH and SVM - as examples for demonstrating the effectiveness of the proposed fault modeling methodology. C1 [Vishnu, Abhinav; Tallent, Nathan R.; Kerbyson, Darren J.; Hoisie, Adolfy] Pacific Northwest Natl Lab, Richland, WA 99352 USA. [van Dam, Hubertus] Brookhaven Natl Lab, Upton, NY 11973 USA. RP Vishnu, A (reprint author), Pacific Northwest Natl Lab, Richland, WA 99352 USA. NR 29 TC 0 Z9 0 U1 1 U2 1 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 1530-2075 BN 978-1-5090-2140-6 J9 INT PARALL DISTRIB P PY 2016 BP 222 EP 231 DI 10.1109/IPDPS.2016.111 PG 10 WC Computer Science, Hardware & Architecture; Computer Science, Theory & Methods; Engineering, Electrical & Electronic SC Computer Science; Engineering GA BG7EZ UT WOS:000391251800024 ER PT S AU Li, A Song, SWL Brugel, E Kumar, A Chavarria-Miranda, D Corporaal, H AF Li, Ang Song, Shuaiwen Leon Brugel, Eric Kumar, Akash Chavarria-Miranda, Daniel Corporaal, Henk GP IEEE TI X: A Comprehensive Analytic Model for Parallel Machines SO 2016 IEEE 30TH INTERNATIONAL PARALLEL AND DISTRIBUTED PROCESSING SYMPOSIUM (IPDPS 2016) SE International Parallel and Distributed Processing Symposium IPDPS LA English DT Proceedings Paper CT 30th IEEE International Parallel and Distributed Processing Symposium (IPDPS) CY MAY 23-27, 2016 CL Illinois Inst Technol, Chicago, IL SP IEEE, IEEE Comp Soc, Tech Comm Parallel Proc, ACM SIGARCH, IEEE Comp Soc Tech Comm Comp Architecture, IEEE Comp Soc Tech Comm Distributed Proc HO Illinois Inst Technol AB To continuously comply with Moore's Law, modern parallel machines become increasingly complex. Effectively tuning application performance for these machines therefore becomes a daunting task. Moreover, identifying performance bottlenecks at application and architecture level, as well as evaluating various optimization strategies, are becoming extremely difficult when the entanglement of numerous correlated factors is being presented. To tackle these challenges, we present a visual analytical model named "X". It is intuitive and sufficiently flexible to track all the typical features of a parallel machine. Different from the conventional analytic models that focus on the temporal state of a representative core or thread, our proposed X-model concentrates on the spatial state of the parallel machines - the distribution of concurrent threads among different subsystems of these machines, while predicting the overall throughput based on such state. One major highlight of our model is its tractability as it only requires a small number of essential parameters from the application and architecture. Meanwhile, it is able to effectively help users investigate the combined-effects of different types of parallelism: the instruction-level-parallelism (ILP), the thread-level-parallelism (TLP), the memory-level-parallelism (MLP) and the data-level-parallelism (DLP). Through the X-model, developers and architects can quickly draw an intuitive figure called X-graph to identify performance bottlenecks and play "what-if" scenarios to evaluate the effectiveness of the proposed optimization techniques by investigating their individual and combined effects. C1 [Li, Ang; Corporaal, Henk] Eindhoven Univ Technol, NL-5600 MB Eindhoven, Netherlands. [Song, Shuaiwen Leon; Chavarria-Miranda, Daniel] Pacific Northwest Natl Lab, Richland, WA 99352 USA. [Brugel, Eric] State Univ New Jersey, New Brunswick, NJ USA. [Kumar, Akash] Tech Univ Dresden, Dresden, Germany. RP Li, A (reprint author), Eindhoven Univ Technol, NL-5600 MB Eindhoven, Netherlands. EM ang.li@tue.nl; shuaiwen.song@pnnl.gov; brugel18@gmail.com; akash.kumar@tu-dresden.de; daniel.chavarria@pnnl.gov; h.corporaal@tue.nl NR 21 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 1530-2075 BN 978-1-5090-2140-6 J9 INT PARALL DISTRIB P PY 2016 BP 242 EP 252 DI 10.1109/IPDPS.2016.89 PG 11 WC Computer Science, Hardware & Architecture; Computer Science, Theory & Methods; Engineering, Electrical & Electronic SC Computer Science; Engineering GA BG7EZ UT WOS:000391251800026 ER PT S AU Groves, T Grant, RE Arnold, D AF Groves, Taylor Grant, Ryan E. Arnold, Dorian GP IEEE TI NiMC: Characterizing and Eliminating Network-Induced Memory Contention SO 2016 IEEE 30TH INTERNATIONAL PARALLEL AND DISTRIBUTED PROCESSING SYMPOSIUM (IPDPS 2016) SE International Parallel and Distributed Processing Symposium IPDPS LA English DT Proceedings Paper CT 30th IEEE International Parallel and Distributed Processing Symposium (IPDPS) CY MAY 23-27, 2016 CL Illinois Inst Technol, Chicago, IL SP IEEE, IEEE Comp Soc, Tech Comm Parallel Proc, ACM SIGARCH, IEEE Comp Soc Tech Comm Comp Architecture, IEEE Comp Soc Tech Comm Distributed Proc HO Illinois Inst Technol DE Measurement; Performance; Memory Contention; Network Contention; Networks ID BANDWIDTH AB Remote Direct Memory Access (RDMA) is expected to be an integral communication mechanism for future exascale systems - enabling asynchronous data transfers, so that applications may fully utilize all CPU resources while simultaneously sharing data amongst remote nodes. In this paper we examine network-induced memory contention (NiMC), the interactions between RDMA and the memory subsystem when applications and out-of-band services compete for memory resources and NiMC's resulting impact on application-level performance. For a range of hardware technologies and HPC workloads, we quantified NiMC and show that NiMC's impact grows with scale resulting in up to 3X performance degradation at scales as small as 8K processes even in applications that previously have been shown to be performance resilient in the presence of noise. We also evaluated three potential techniques to reduce NiMC's performance impact, namely hardware offloading, core reservation and software-based network throttling. While all three of these solutions show promise, we provide guidelines that help select the best solution for a given environment. C1 [Groves, Taylor; Grant, Ryan E.] Sandia Natl Labs, Ctr Res Comp, POB 5800,MS-1110, Albuquerque, NM 87185 USA. [Arnold, Dorian] Univ New Mexico, Dept Comp Sci, 1 Univ New Mexico, Albuquerque, NM 87131 USA. [Arnold, Dorian] Univ New Mexico, Albuquerque, NM 87131 USA. RP Groves, T (reprint author), Sandia Natl Labs, Ctr Res Comp, POB 5800,MS-1110, Albuquerque, NM 87185 USA. EM tgroves@sandia.gov; regrant@sandia.gov; darnold@cs.unm.edu NR 30 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 1530-2075 BN 978-1-5090-2140-6 J9 INT PARALL DISTRIB P PY 2016 BP 253 EP 262 DI 10.1109/IPDPS.2016.29 PG 10 WC Computer Science, Hardware & Architecture; Computer Science, Theory & Methods; Engineering, Electrical & Electronic SC Computer Science; Engineering GA BG7EZ UT WOS:000391251800027 ER PT S AU Slota, GM Rajamanickam, S Madduri, K AF Slota, George M. Rajamanickam, Sivasankaran Madduri, Kamesh GP IEEE TI A Case Study of Complex Graph Analysis in Distributed Memory: Implementation and Optimization SO 2016 IEEE 30TH INTERNATIONAL PARALLEL AND DISTRIBUTED PROCESSING SYMPOSIUM (IPDPS 2016) SE International Parallel and Distributed Processing Symposium IPDPS LA English DT Proceedings Paper CT 30th IEEE International Parallel and Distributed Processing Symposium (IPDPS) CY MAY 23-27, 2016 CL Illinois Inst Technol, Chicago, IL SP IEEE, IEEE Comp Soc, Tech Comm Parallel Proc, ACM SIGARCH, IEEE Comp Soc Tech Comm Comp Architecture, IEEE Comp Soc Tech Comm Distributed Proc HO Illinois Inst Technol DE graph analysis; hyperlink graphs; distributed-memory processing AB In recent years, a large number of graph processing frameworks have been introduced, with their goal to simplify analysis of real-world graphs on commodity hardware. Additionally, the Graph500 benchmark has motivated extensive optimization of fundamental graph computations such as breadth-first search and shortest paths on leading high-performance computing systems. The purpose of this current work is to bridge the gap between these two research areas: we introduce a methodology for graph processing that is simple to implement, and yet offers high performance when scaling up from a single compute node up to several thousand nodes. We develop a compact and efficient graph representation, implement several graph analytics, and describe a number of optimizations that can be applied to these analytics. We test our implementations on the 2012 Web Data Commons hyperlink graph with 3.56 billion vertices and 128.7 billion edges, and perform scalability studies up to 4096 nodes of the Blue Waters supercomputer. On 256 nodes of Blue Waters, we demonstrate execution of six graph analytics on this large hyperlink graph in about 20 minutes. C1 [Slota, George M.; Madduri, Kamesh] Penn State Univ, Comp Sci & Engn, University Pk, PA 16802 USA. [Rajamanickam, Sivasankaran] Sandia Natl Labs, Scalable Algorithms Dept, Albuquerque, NM USA. RP Slota, GM (reprint author), Penn State Univ, Comp Sci & Engn, University Pk, PA 16802 USA. EM gslota@psu.edu; srajama@sandia.gov; madduri@cse.psu.edu NR 32 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 1530-2075 BN 978-1-5090-2140-6 J9 INT PARALL DISTRIB P PY 2016 BP 293 EP 302 DI 10.1109/IPDPS.2016.93 PG 10 WC Computer Science, Hardware & Architecture; Computer Science, Theory & Methods; Engineering, Electrical & Electronic SC Computer Science; Engineering GA BG7EZ UT WOS:000391251800031 ER PT S AU Wu, S Xie, ZJ Chen, HB Di, S Zhao, XY Jin, H AF Wu, Song Xie, Zhenjiang Chen, Haibao Di, Sheng Zhao, Xinyu Jin, Hai GP IEEE TI Dynamic Acceleration of Parallel Applications in Cloud Platforms by Adaptive Time-Slice Control SO 2016 IEEE 30TH INTERNATIONAL PARALLEL AND DISTRIBUTED PROCESSING SYMPOSIUM (IPDPS 2016) SE International Parallel and Distributed Processing Symposium IPDPS LA English DT Proceedings Paper CT 30th IEEE International Parallel and Distributed Processing Symposium (IPDPS) CY MAY 23-27, 2016 CL Illinois Inst Technol, Chicago, IL SP IEEE, IEEE Comp Soc, Tech Comm Parallel Proc, ACM SIGARCH, IEEE Comp Soc Tech Comm Comp Architecture, IEEE Comp Soc Tech Comm Distributed Proc HO Illinois Inst Technol AB Tightly-coupled parallel applications in cloud systems may suffer from significant performance degradation because of the resource over-commitment issue. In this paper, we propose a dynamic approach based on the adaptive control over time-slice for virtual clusters, in order to mitigate the performance degradation for parallel applications in cloud and avoid the negative impact effectively on other non-parallel applications meanwhile. The key idea is to reduce the synchronization overhead inside and across virtual machines (VMs) in cloud systems, by dynamically adjusting the time-slices of VMs in terms of the spinlock latency at runtime. Such a design is motivated by our experimental finding that VM's time slice is a key factor determining the synchronization overhead as well as the parallel execution performance. We perform the evaluation on a real cluster environment deployed with XEN, using five well-known benchmarks with 10+ applications. Experiments show that our approach obtains 1.5-10x performance gain for running parallel applications, than other state-of-the-art solutions (including Credit Scheduling of Xen and the well-known methods like Co-Scheduling and Balance Scheduling), with nearly unaffected impact on the performance of non-parallel applications. C1 [Wu, Song; Xie, Zhenjiang; Chen, Haibao; Zhao, Xinyu; Jin, Hai] Huazhong Univ Sci & Technol, Sch Comp Sci & Technol, Cluster & Grid Comp Lab, Serv Comp Technol & Syst Lab, Wuhan 430074, Peoples R China. [Di, Sheng] Argonne Natl Lab, Argonne, IL 60439 USA. RP Wu, S (reprint author), Huazhong Univ Sci & Technol, Sch Comp Sci & Technol, Cluster & Grid Comp Lab, Serv Comp Technol & Syst Lab, Wuhan 430074, Peoples R China. EM wusong@hust.edu.cn; xiezhenjiang@hust.edu.cn; chenhaibao@hust.edu.cn; sdi1@anl.gov; zhaoxinyu512@hust.edu.cn; hjin@hust.edu.cn NR 23 TC 0 Z9 0 U1 1 U2 1 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 1530-2075 BN 978-1-5090-2140-6 J9 INT PARALL DISTRIB P PY 2016 BP 343 EP 352 DI 10.1109/IPDPS.2016.77 PG 10 WC Computer Science, Hardware & Architecture; Computer Science, Theory & Methods; Engineering, Electrical & Electronic SC Computer Science; Engineering GA BG7EZ UT WOS:000391251800036 ER PT S AU Ozog, D Kamil, A Zheng, YL Hargrove, P Hammond, JR Malony, A de Jong, W Yelick, K AF Ozog, David Kamil, Amir Zheng, Yili Hargrove, Paul Hammond, Jeff R. Malony, Allen de Jong, Wibe Yelick, Kathy GP IEEE TI A Hartree-Fock Application using UPC plus plus and the New DArray Library SO 2016 IEEE 30TH INTERNATIONAL PARALLEL AND DISTRIBUTED PROCESSING SYMPOSIUM (IPDPS 2016) SE International Parallel and Distributed Processing Symposium IPDPS LA English DT Proceedings Paper CT 30th IEEE International Parallel and Distributed Processing Symposium (IPDPS) CY MAY 23-27, 2016 CL Illinois Inst Technol, Chicago, IL SP IEEE, IEEE Comp Soc, Tech Comm Parallel Proc, ACM SIGARCH, IEEE Comp Soc Tech Comm Comp Architecture, IEEE Comp Soc Tech Comm Distributed Proc HO Illinois Inst Technol DE Hartree-Fock; self-consistent field (SCF); quantum chemistry; PGAS; UPC/UPC plus; Global Arrays; performance analysis; load balancing; work stealing; attentiveness ID PERFORMANCE COMPUTATIONAL CHEMISTRY; MATRIX; NWCHEM AB The Hartree-Fock (HF) method is the fundamental first step for incorporating quantum mechanics into many-electron simulations of atoms and molecules, and it is an important component of computational chemistry toolkits like NWChem. The GTFock code is an HF implementation that, while it does not have all the features in NWChem, represents crucial algorithmic advances that reduce communication and improve load balance by doing an up-front static partitioning of tasks, followed by work stealing whenever necessary. To enable innovations in algorithms and exploit next generation exascale systems, it is crucial to support quantum chemistry codes using expressive and convenient programming models and runtime systems that are also efficient and scalable. This paper presents an HF implementation similar to GTFock using UPC++, a partitioned global address space model that includes flexible communication, asynchronous remote computation, and a powerful multidimensional array library. UPC++ offers runtime features that are useful for HF such as active messages, a rich calculus for array operations, hardware-supported fetch-and-add, and functions for ensuring asynchronous runtime progress. We present a new distributed array abstraction, DArray, that is convenient for the kinds of random-access array updates and linear algebra operations on block-distributed arrays with irregular data ownership. We analyze the performance of atomic fetch-and-add operations (relevant for load balancing) and runtime attentiveness, then compare various techniques and optimizations for each. Our optimized implementation of HF using UPC++ and the DArrays library shows up to 20% improvement over GTFock with Global Arrays at scales up to 24,000 cores. C1 [Ozog, David; Malony, Allen] Univ Oregon, Eugene, OR 97403 USA. [Hammond, Jeff R.] Intel Corp, Portland, OR USA. [Kamil, Amir; Zheng, Yili; Hargrove, Paul; de Jong, Wibe; Yelick, Kathy] Lawrence Berkeley Natl Lab, Berkeley, CA USA. RP Ozog, D (reprint author), Univ Oregon, Eugene, OR 97403 USA. EM ozog@uoregon.edu; akamil@lbl.gov; yzheng@lbl.gov; phhargrove@lbl.gov; jeff.r.hammond@intel.com; malony@uoregon.edu; wadejong@lbl.gov; kayelick@lbl.gov NR 23 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 1530-2075 BN 978-1-5090-2140-6 J9 INT PARALL DISTRIB P PY 2016 BP 453 EP 462 DI 10.1109/IPDPS.2016.108 PG 10 WC Computer Science, Hardware & Architecture; Computer Science, Theory & Methods; Engineering, Electrical & Electronic SC Computer Science; Engineering GA BG7EZ UT WOS:000391251800047 ER PT S AU Weber, M Brendel, R Hilbrich, T Mohror, K Schulz, M Brunst, H AF Weber, Matthias Brendel, Ronny Hilbrich, Tobias Mohror, Kathryn Schulz, Martin Brunst, Holger GP IEEE TI Structural Clustering: A New Approach to Support Performance Analysis at Scale SO 2016 IEEE 30TH INTERNATIONAL PARALLEL AND DISTRIBUTED PROCESSING SYMPOSIUM (IPDPS 2016) SE International Parallel and Distributed Processing Symposium IPDPS LA English DT Proceedings Paper CT 30th IEEE International Parallel and Distributed Processing Symposium (IPDPS) CY MAY 23-27, 2016 CL Illinois Inst Technol, Chicago, IL SP IEEE, IEEE Comp Soc, Tech Comm Parallel Proc, ACM SIGARCH, IEEE Comp Soc Tech Comm Comp Architecture, IEEE Comp Soc Tech Comm Distributed Proc HO Illinois Inst Technol AB The increasing complexity of high performance computing systems creates high demands on performance tools and human analysts due to an unmanageable volume of data gathered for performance analysis. A promising approach for reducing data volume is classification of data from multiple processes into groups of similar behavior to aid in analyzing application performance and identifying hot spots. However, existing approaches for structural and temporal classification of performance data suffer from lack of scalability or produce misleading results. To address this problem, we present a novel and effective structural similarity measure to efficiently classify data from parallel processes and introduce a method for efficient storage of the classified data. Using four examples, we show how existing performance analysis techniques benefit from our structural classification. Finally, we present a case study with 15 applications on up to 65,536 parallel processes that demonstrates the generality and scalability of our classification approach. C1 [Weber, Matthias; Brendel, Ronny; Hilbrich, Tobias; Brunst, Holger] Tech Univ Dresden, Dresden, Germany. [Mohror, Kathryn; Schulz, Martin] Lawrence Livermore Natl Lab, Livermore, CA USA. RP Weber, M (reprint author), Tech Univ Dresden, Dresden, Germany. EM matthias.weber@tu-dresden.de; ronny.brendel@tu-dresden.de; tobias.hilbrich@tu-dresden.de; kathryn@llnl.gov; schulzm@llnl.gov; holger.brunst@tu-dresden.de NR 22 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 1530-2075 BN 978-1-5090-2140-6 J9 INT PARALL DISTRIB P PY 2016 BP 484 EP 493 DI 10.1109/IPDPS.2016.27 PG 10 WC Computer Science, Hardware & Architecture; Computer Science, Theory & Methods; Engineering, Electrical & Electronic SC Computer Science; Engineering GA BG7EZ UT WOS:000391251800051 ER PT S AU Patwary, MMA Satish, NR Sundaram, N Liu, JL Sadowski, P Racah, E Byna, S Tull, C Bhimji, W Prabhat Dubey, P AF Patwary, Md. Mostofa Ali Satish, Nadathur Rajagopalan Sundaram, Narayanan Liu, Jialin Sadowski, Peter Racah, Evan Byna, Suren Tull, Craig Bhimji, Wahid Prabhat Dubey, Pradeep GP IEEE TI PANDA: Extreme Scale Parallel K-Nearest Neighbor on Distributed Architectures SO 2016 IEEE 30TH INTERNATIONAL PARALLEL AND DISTRIBUTED PROCESSING SYMPOSIUM (IPDPS 2016) SE International Parallel and Distributed Processing Symposium IPDPS LA English DT Proceedings Paper CT 30th IEEE International Parallel and Distributed Processing Symposium (IPDPS) CY MAY 23-27, 2016 CL Illinois Inst Technol, Chicago, IL SP IEEE, IEEE Comp Soc, Tech Comm Parallel Proc, ACM SIGARCH, IEEE Comp Soc Tech Comm Comp Architecture, IEEE Comp Soc Tech Comm Distributed Proc HO Illinois Inst Technol DE Big Data Analytics; KNN; kd-tree; Classification; Parallel Algorithms; and Load Balancing AB Computing k-Nearest Neighbors (KNN) is one of the core kernels used in many machine learning, data mining and scientific computing applications. Although kd-tree based O(log n) algorithms have been proposed for computing KNN, due to its inherent sequentiality, linear algorithms are being used in practice. This limits the applicability of such methods to millions of data points, with limited scalability for Big Data analytics challenges in the scientific domain. In this paper, we present parallel and highly optimized kd-tree based KNN algorithms (both construction and querying) suitable for distributed architectures. Our algorithm includes novel approaches for pruning search space and improving load balancing and partitioning among nodes and threads. Using TB-sized datasets from three science applications: astrophysics, plasma physics, and particle physics, we show that our implementation can construct kd-tree of 189 billion particles in 48 seconds on utilizing similar to 50,000 cores. We also demonstrate computation of KNN of 19 billion queries in 12 seconds. We demonstrate almost linear speedup both for shared and distributed memory computers. Our algorithms outperforms earlier implementations by more than order of magnitude; thereby radically improving the applicability of our implementation to state-of-the-art Big Data analytics problems. C1 [Patwary, Md. Mostofa Ali; Satish, Nadathur Rajagopalan; Sundaram, Narayanan; Dubey, Pradeep] Intel Corp, Santa Clara, CA 95051 USA. [Liu, Jialin; Racah, Evan; Byna, Suren; Tull, Craig; Bhimji, Wahid; Prabhat] Lawrence Berkeley Natl Lab, Berkeley, CA USA. [Sadowski, Peter] Univ Calif Irvine, Irvine, CA 92717 USA. RP Patwary, MMA (reprint author), Intel Corp, Santa Clara, CA 95051 USA. EM mostofa.ali.patwary@intel.com NR 22 TC 0 Z9 0 U1 1 U2 1 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 1530-2075 BN 978-1-5090-2140-6 J9 INT PARALL DISTRIB P PY 2016 BP 494 EP 503 DI 10.1109/IPDPS.2016.57 PG 10 WC Computer Science, Hardware & Architecture; Computer Science, Theory & Methods; Engineering, Electrical & Electronic SC Computer Science; Engineering GA BG7EZ UT WOS:000391251800052 ER PT S AU Lee, S Kim, J Vetter, JS AF Lee, Seyong Kim, Jungwon Vetter, Jeffrey S. GP IEEE TI OpenACC to FPGA: A Framework for Directive-based High-Performance Reconfigurable Computing SO 2016 IEEE 30TH INTERNATIONAL PARALLEL AND DISTRIBUTED PROCESSING SYMPOSIUM (IPDPS 2016) SE International Parallel and Distributed Processing Symposium IPDPS LA English DT Proceedings Paper CT 30th IEEE International Parallel and Distributed Processing Symposium (IPDPS) CY MAY 23-27, 2016 CL Illinois Inst Technol, Chicago, IL SP IEEE, IEEE Comp Soc, Tech Comm Parallel Proc, ACM SIGARCH, IEEE Comp Soc Tech Comm Comp Architecture, IEEE Comp Soc Tech Comm Distributed Proc HO Illinois Inst Technol DE OpenACC; FPGA; OpenCL; Directive-based programming; reconfigurable computing; OpenARC AB This paper presents a directive-based, high-level programming framework for high-performance reconfigurable computing. It takes a standard, portable OpenACC C program as input and generates a hardware configuration file for execution on FPGAs. We implemented this prototype system using our open-source OpenARC compiler; it performs source-to-source translation and optimization of the input OpenACC program into an OpenCL code, which is further compiled into a FPGA program by the backend Altera Offline OpenCL compiler. Internally, the design of OpenARC uses a high-level intermediate representation that separates concerns of program representation from underlying architectures, which facilitates portability of OpenARC. In fact, this design allowed us to create the OpenACC-to-FPGA translation framework with minimal extensions to our existing system. In addition, we show that our proposed FPGA-specific compiler optimizations and novel OpenACC pragma extensions assist the compiler in generating more efficient FPGA hardware configuration files. Our empirical evaluation on an Altera Stratix V FPGA with eight OpenACC benchmarks demonstrate the benefits of our strategy. To demonstrate the portability of OpenARC, we show results for the same benchmarks executing on other heterogeneous platforms, including NVIDIA GPUs, AMD GPUs, and Intel Xeon Phis. This initial evidence helps support the goal of using a directive-based, high-level programming strategy for performance portability across heterogeneous HPC architectures. C1 [Lee, Seyong; Kim, Jungwon; Vetter, Jeffrey S.] Oak Ridge Natl Lab, POB 2008 MS-6173, Oak Ridge, TN 37831 USA. RP Lee, S (reprint author), Oak Ridge Natl Lab, POB 2008 MS-6173, Oak Ridge, TN 37831 USA. EM lees2@ornl.gov; kimj@ornl.gov; vetter@ornl.gov NR 23 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 1530-2075 BN 978-1-5090-2140-6 J9 INT PARALL DISTRIB P PY 2016 BP 544 EP 554 DI 10.1109/IPDPS.2016.28 PG 11 WC Computer Science, Hardware & Architecture; Computer Science, Theory & Methods; Engineering, Electrical & Electronic SC Computer Science; Engineering GA BG7EZ UT WOS:000391251800057 ER PT S AU Leon, EA Karlin, I Moody, AT AF Leon, Edgar A. Karlin, Ian Moody, Adam T. GP IEEE TI System Noise Revisited: Enabling Application Scalability and Reproducibility with SMT SO 2016 IEEE 30TH INTERNATIONAL PARALLEL AND DISTRIBUTED PROCESSING SYMPOSIUM (IPDPS 2016) SE International Parallel and Distributed Processing Symposium IPDPS LA English DT Proceedings Paper CT 30th IEEE International Parallel and Distributed Processing Symposium (IPDPS) CY MAY 23-27, 2016 CL Illinois Inst Technol, Chicago, IL SP IEEE, IEEE Comp Soc, Tech Comm Parallel Proc, ACM SIGARCH, IEEE Comp Soc Tech Comm Comp Architecture, IEEE Comp Soc Tech Comm Distributed Proc HO Illinois Inst Technol DE system noise; jitter; simultaneous multithreading; SMT; scalability; reproducibility; parallel performance AB Despite significant advances in reducing system noise, the scalability and performance of scientific applications running on production commodity clusters today continue to suffer from the effects of noise. Unlike custom and expensive leadership systems, the Linux ecosystem provides a rich set of services that application developers utilize to increase productivity and to ease porting. The cost is the overhead that these services impose on a running application, negatively impacting its scalability and performance reproducibility. In this work, we propose and evaluate a simple yet effective way to isolate an application from system processes by leveraging Simultaneous Multi-Threading (SMT), a pervasive architectural feature on current systems. Our method requires no changes to the operating system or to the application. We quantify its effectiveness on a diverse set of scientific applications of interest to the U.S. Department of Energy showing performance improvements of up to 2.4 times at 16,384 tasks for a high-order finite elements shock hydrodynamics application. Finally, we provide guidance to system and application developers on how to best leverage SMT under different application characteristics and scales. C1 [Leon, Edgar A.; Karlin, Ian; Moody, Adam T.] Lawrence Livermore Natl Lab, Livermore Comp, Livermore, CA 94550 USA. RP Leon, EA (reprint author), Lawrence Livermore Natl Lab, Livermore Comp, Livermore, CA 94550 USA. EM leon@llnl.gov; karlin1@llnl.gov; moody20@llnl.gov NR 29 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 1530-2075 BN 978-1-5090-2140-6 J9 INT PARALL DISTRIB P PY 2016 BP 596 EP 607 DI 10.1109/IPDPS.2016.48 PG 12 WC Computer Science, Hardware & Architecture; Computer Science, Theory & Methods; Engineering, Electrical & Electronic SC Computer Science; Engineering GA BG7EZ UT WOS:000391251800062 ER PT S AU Tong, Z Pakin, S Lang, M Yuan, X AF Tong, Zhou Pakin, Scott Lang, Michael Yuan, Xin GP IEEE TI Fast Classification of MPI Applications using Lamport's Logical Clocks SO 2016 IEEE 30TH INTERNATIONAL PARALLEL AND DISTRIBUTED PROCESSING SYMPOSIUM (IPDPS 2016) SE International Parallel and Distributed Processing Symposium IPDPS LA English DT Proceedings Paper CT 30th IEEE International Parallel and Distributed Processing Symposium (IPDPS) CY MAY 23-27, 2016 CL Illinois Inst Technol, Chicago, IL SP IEEE, IEEE Comp Soc, Tech Comm Parallel Proc, ACM SIGARCH, IEEE Comp Soc Tech Comm Comp Architecture, IEEE Comp Soc Tech Comm Distributed Proc HO Illinois Inst Technol DE Parallel application; performance analysis; tool ID PERFORMANCE; TRACES; TIME AB We present a novel trace-based analysis tool that rapidly classifies an MPI application as bandwidth-bound, latency-bound, load-imbalance-bound, or computation-bound for different interconnection networks. The tool uses an extension of Lamport's logical clock to track application progress in the trace replay. It has two unique features. First, it predicts application performance for many latency and bandwidth parameters from a single replay of the trace. Second, it infers the performance characteristics of an application and classifies the application using the predicted performance trend for a range of network configurations instead of using the predicted performance for a particular network configuration. We describe the techniques used in the tool and its design and implementation, and report our performance study of the tool and our experience with classifying nine applications and mini-apps from the DOE Design Forward project as well as the NAS Parallel Benchmarks. C1 [Tong, Zhou; Yuan, Xin] Florida State Univ, Dept Comp Sci, Tallahassee, FL 32307 USA. [Pakin, Scott; Lang, Michael] Los Alamos Natl Lab, Comp Computat & Stat Sci Div, Los Alamos, NM 87544 USA. RP Tong, Z (reprint author), Florida State Univ, Dept Comp Sci, Tallahassee, FL 32307 USA. EM tong@csf.su.edu; pakin@lanl.org; mlang@lanl.org; xyuan@cs.fsu.edu OI Pakin, Scott/0000-0002-5220-1985 NR 20 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 1530-2075 BN 978-1-5090-2140-6 J9 INT PARALL DISTRIB P PY 2016 BP 618 EP 627 DI 10.1109/IPDPS.2016.40 PG 10 WC Computer Science, Hardware & Architecture; Computer Science, Theory & Methods; Engineering, Electrical & Electronic SC Computer Science; Engineering GA BG7EZ UT WOS:000391251800064 ER PT S AU Carson, E Demme, J Grigori, L Knight, N Koanantakool, P Schwartz, O Simhadri, HV AF Carson, Erin Demme, James Grigori, Laura Knight, Nicholas Koanantakool, Penporn Schwartz, Oded Simhadri, Harsha Vardhan GP IEEE TI Write-Avoiding Algorithms SO 2016 IEEE 30TH INTERNATIONAL PARALLEL AND DISTRIBUTED PROCESSING SYMPOSIUM (IPDPS 2016) SE International Parallel and Distributed Processing Symposium IPDPS LA English DT Proceedings Paper CT 30th IEEE International Parallel and Distributed Processing Symposium (IPDPS) CY MAY 23-27, 2016 CL Illinois Inst Technol, Chicago, IL SP IEEE, IEEE Comp Soc, Tech Comm Parallel Proc, ACM SIGARCH, IEEE Comp Soc Tech Comm Comp Architecture, IEEE Comp Soc Tech Comm Distributed Proc HO Illinois Inst Technol DE Non-volatile memories; communication avoiding algorithms; write complexity; lower bounds; linear algebra; N-body methods; Krylov subspace methods ID PHASE-CHANGE MEMORY; COMMUNICATION AB Communication, i.e., moving data between levels of a memory hierarchy or between processors over a network, is much more expensive (in time or energy) than arithmetic. There has thus been a recent focus on designing algorithms that minimize communication and, when possible, attain lower bounds on the total number of reads and writes. However, most previous work does not distinguish between the costs of reads and writes. Writes can be much more expensive than reads in some current and emerging storage devices such as nonvolatile memories. This motivates us to ask whether there are lower bounds on the number of writes that certain algorithms must perform, and whether these bounds are asymptotically smaller than bounds on the sum of reads and writes together. When these smaller lower bounds exist, we then ask when they are attainable; we call such algorithms "write-avoiding" (WA), to distinguish them from "communication-avoiding" (CA) algorithms, which only minimize the sum of reads and writes. We identify a number of cases in linear algebra and direct N-body methods where known CA algorithms are also WA (some are and some aren't). We also identify classes of algorithms, including Strassen's matrix multiplication, Cooley-Tukey FFT, and cache oblivious algorithms for classical linear algebra, where a WA algorithm cannot exist: the number of writes is unavoidably within a constant factor of the total number of reads and writes. We explore the interaction of WA algorithms with cache replacement policies and argue that the Least Recently Used policy works well with the WA algorithms in this paper. We provide empirical hardware counter measurements from Intel's Nehalem-EX microarchitecture to validate our theory. In the parallel case, for classical linear algebra, we show that it is impossible to attain lower bounds both on interprocessor communication and on writes to local memory, but either one is attainable by itself. Finally, we discuss WA algorithms for sparse iterative linear algebra. C1 [Carson, Erin; Knight, Nicholas] NYU, Courant Inst Math Sci, New York, NY 10003 USA. [Demme, James] Univ Calif Berkeley, Dept Math, Berkeley, CA 94720 USA. [Demme, James] Univ Calif Berkeley, Comp Sci Div, Berkeley, CA 94720 USA. [Grigori, Laura] Univ Paris 06, UPMC, CNRS, UMR 7598,Lab Jacques Louis, Lions, France. [Grigori, Laura] Alpines, INRIA Paris Rocquencourt, Paris, France. [Koanantakool, Penporn] Univ Calif Berkeley, Div Comp Sci, Berkeley, CA 94720 USA. [Schwartz, Oded] Hebrew Univ Jerusalem, Sch Engn & Comp Sci, IL-91905 Jerusalem, Israel. [Simhadri, Harsha Vardhan] Lawrence Berkeley Natl Lab, Computat Res Div, Berkeley, CA USA. RP Carson, E (reprint author), NYU, Courant Inst Math Sci, New York, NY 10003 USA. EM erin.carson@nyu.edu; demmel@berkeley.edu; laura.grigori@inria.fr; nknight@nyu.edu; penpornk@eecs.berkeley.edu; odedsc@cs.huji.ac.il; harshas@lbl.gov NR 39 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 1530-2075 BN 978-1-5090-2140-6 J9 INT PARALL DISTRIB P PY 2016 BP 648 EP 658 DI 10.1109/IPDPS.2016.114 PG 11 WC Computer Science, Hardware & Architecture; Computer Science, Theory & Methods; Engineering, Electrical & Electronic SC Computer Science; Engineering GA BG7EZ UT WOS:000391251800067 ER PT S AU Di, S Cappello, F AF Di, Sheng Cappello, Franck GP IEEE TI Fast Error-bounded Lossy HPC Data Compression with SZ SO 2016 IEEE 30TH INTERNATIONAL PARALLEL AND DISTRIBUTED PROCESSING SYMPOSIUM (IPDPS 2016) SE International Parallel and Distributed Processing Symposium IPDPS LA English DT Proceedings Paper CT 30th IEEE International Parallel and Distributed Processing Symposium (IPDPS) CY MAY 23-27, 2016 CL Illinois Inst Technol, Chicago, IL SP IEEE, IEEE Comp Soc, Tech Comm Parallel Proc, ACM SIGARCH, IEEE Comp Soc Tech Comm Comp Architecture, IEEE Comp Soc Tech Comm Distributed Proc HO Illinois Inst Technol ID FLOATING-POINT DATA; IDEAL MAGNETOHYDRODYNAMICS AB Today's HPC applications are producing extremely large amounts of data, thus it is necessary to use an efficient compression before storing them to parallel file systems. In this paper, we optimize the error-bounded HPC data compression, by proposing a novel HPC data compression method that works very effectively on compressing large-scale HPC data sets. The compression method starts by linearizing multi-dimensional snapshot data. The key idea is to fit/predict the successive data points with the bestfit selection of curve fitting models. The data that can be predicted precisely will be replaced by the code of the corresponding curve-fitting model. As for the unpredictable data that cannot be approximated by curve-fitting models, we perform an optimized lossy compression via a binary representation analysis. We evaluate our proposed solution using 13 real-world HPC applications across different scientific domains, and compare it to many other state-of-the-art compression methods (including Gzip, FPC, ISABELA, NUMARCK, ZFP, FPZIP, etc.). Experiments show that the compression ratio of our compressor ranges in 3.3/1 - 436/1, which is higher than the second-best solution ZFP by as little as 2x and as much as an order of magnitude for most cases. The compression time of SZ is comparable to other solutions', while its decompression time is less than the second best one by 50%-90%. On an extreme-scale use case, experiments show that the compression ratio of SZ exceeds that of ZFP by 80%. C1 [Di, Sheng; Cappello, Franck] Argonne Natl Lab, 9700 S Cass Ave, Argonne, IL 60439 USA. [Cappello, Franck] Univ Illinois, Urbana, IL USA. RP Di, S (reprint author), Argonne Natl Lab, 9700 S Cass Ave, Argonne, IL 60439 USA. EM sdil@anl.gov; cappello@anl.gov NR 26 TC 1 Z9 1 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 1530-2075 BN 978-1-5090-2140-6 J9 INT PARALL DISTRIB P PY 2016 BP 730 EP 739 DI 10.1109/IPDPS.2016.11 PG 10 WC Computer Science, Hardware & Architecture; Computer Science, Theory & Methods; Engineering, Electrical & Electronic SC Computer Science; Engineering GA BG7EZ UT WOS:000391251800075 ER PT S AU Savoie, L Lowenthal, DK de Supinski, BR Islam, T Mohror, K Rountree, B Schulz, M AF Savoie, Lee Lowenthal, David K. de Supinski, Bronis R. Islam, Tanzima Mohror, Kathryn Rountree, Barry Schulz, Martin GP IEEE TI I/O Aware Power Shifting SO 2016 IEEE 30TH INTERNATIONAL PARALLEL AND DISTRIBUTED PROCESSING SYMPOSIUM (IPDPS 2016) SE International Parallel and Distributed Processing Symposium IPDPS LA English DT Proceedings Paper CT 30th IEEE International Parallel and Distributed Processing Symposium (IPDPS) CY MAY 23-27, 2016 CL Illinois Inst Technol, Chicago, IL SP IEEE, IEEE Comp Soc, Tech Comm Parallel Proc, ACM SIGARCH, IEEE Comp Soc Tech Comm Comp Architecture, IEEE Comp Soc Tech Comm Distributed Proc HO Illinois Inst Technol AB Power limits on future high-performance computing (HPC) systems will constrain applications. However, HPC applications do not consume constant power over their lifetimes. Thus, applications assigned a fixed power bound may be forced to slow down during high-power computation phases, but may not consume their full power allocation during low-power I/O phases. This paper explores algorithms that leverage application semantics-phase frequency, duration and power needs-to shift unused power from applications in I/O phases to applications in computation phases, thus improving system-wide performance. We design novel techniques that include explicit staggering of applications to improve power shifting. Compared to executing without power shifting, our algorithms can improve average performance by up to 8% or improve performance of a single, high-priority application by up to 32%. C1 [Savoie, Lee; Lowenthal, David K.] Univ Arizona, Dept Comp Sci, Tucson, AZ 85721 USA. [de Supinski, Bronis R.; Islam, Tanzima; Mohror, Kathryn; Rountree, Barry; Schulz, Martin] Lawrence Livermore Natl Lab, Lawrence, KS USA. RP Savoie, L (reprint author), Univ Arizona, Dept Comp Sci, Tucson, AZ 85721 USA. NR 32 TC 1 Z9 1 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 1530-2075 BN 978-1-5090-2140-6 J9 INT PARALL DISTRIB P PY 2016 BP 740 EP 749 DI 10.1109/IPDPS.2016.15 PG 10 WC Computer Science, Hardware & Architecture; Computer Science, Theory & Methods; Engineering, Electrical & Electronic SC Computer Science; Engineering GA BG7EZ UT WOS:000391251800076 ER PT S AU Yildiz, O Dorier, M Ibrahim, S Ross, R Antoniu, G AF Yildiz, Orcun Dorier, Matthieu Ibrahim, Shadi Ross, Rob Antoniu, Gabriel GP IEEE TI On the Root Causes of Cross-Application I/O Interference in HPC Storage Systems SO 2016 IEEE 30TH INTERNATIONAL PARALLEL AND DISTRIBUTED PROCESSING SYMPOSIUM (IPDPS 2016) SE International Parallel and Distributed Processing Symposium IPDPS LA English DT Proceedings Paper CT 30th IEEE International Parallel and Distributed Processing Symposium (IPDPS) CY MAY 23-27, 2016 CL Illinois Inst Technol, Chicago, IL SP IEEE, IEEE Comp Soc, Tech Comm Parallel Proc, ACM SIGARCH, IEEE Comp Soc Tech Comm Comp Architecture, IEEE Comp Soc Tech Comm Distributed Proc HO Illinois Inst Technol DE Exascale I/O; Parallel File Systems; Cross-Application Contention; Interference AB As we move toward the exascale era, performance variability in HPC systems remains a challenge. I/O interference, a major cause of this variability, is becoming more important every day with the growing number of concurrent applications that share larger machines. Earlier research efforts on mitigating I/O interference focus on a single potential cause of interference (e.g., the network). Yet the root causes of I/O interference can be diverse. In this work, we conduct an extensive experimental campaign to explore the various root causes of I/O interference in HPC storage systems. We use microbenchmarks on the Grid' 5000 testbed to evaluate how the applications' access pattern, the network components, the file system's configuration, and the backend storage devices influence I/O interference. Our studies reveal that in many situations interference is a result of bad flow control in the I/O path, rather than being caused by some single bottleneck in one of its components. We further show that interference-free behavior is not necessarily a sign of optimal performance. To the best of our knowledge, our work provides the first deep insight into the role of each of the potential root causes of interference and their interplay. Our findings can help developers and platform owners improve I/O performance and motivate further research addressing the problem across all components of the I/O stack. C1 [Yildiz, Orcun; Ibrahim, Shadi; Antoniu, Gabriel] INRIA Rennes Bretagne Atlant, Rennes, France. [Dorier, Matthieu; Ross, Rob] Argonne Natl Lab, Argonne, IL 60439 USA. RP Yildiz, O (reprint author), INRIA Rennes Bretagne Atlant, Rennes, France. EM orcun.yildz@inria.fr; mdorier@anl.gov; shadi.ibrahim@inria.fr; rross@anl.gov; gabriel.antoniu@inria.fr NR 22 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 1530-2075 BN 978-1-5090-2140-6 J9 INT PARALL DISTRIB P PY 2016 BP 750 EP 759 DI 10.1109/IPDPS.2016.50 PG 10 WC Computer Science, Hardware & Architecture; Computer Science, Theory & Methods; Engineering, Electrical & Electronic SC Computer Science; Engineering GA BG7EZ UT WOS:000391251800077 ER PT S AU Heitmann, K AF Heitmann, Katrin GP IEEE TI Unlocking the Mysteries of the Universe with Supercomputers SO 2016 IEEE 30TH INTERNATIONAL PARALLEL AND DISTRIBUTED PROCESSING SYMPOSIUM (IPDPS 2016) SE International Parallel and Distributed Processing Symposium IPDPS LA English DT Proceedings Paper CT 30th IEEE International Parallel and Distributed Processing Symposium (IPDPS) CY MAY 23-27, 2016 CL Illinois Inst Technol, Chicago, IL SP IEEE, IEEE Comp Soc, Tech Comm Parallel Proc, ACM SIGARCH, IEEE Comp Soc Tech Comm Comp Architecture, IEEE Comp Soc Tech Comm Distributed Proc HO Illinois Inst Technol C1 [Heitmann, Katrin] Argonne Natl Lab, Argonne, IL 60439 USA. RP Heitmann, K (reprint author), Argonne Natl Lab, Argonne, IL 60439 USA. NR 0 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 1530-2075 BN 978-1-5090-2140-6 J9 INT PARALL DISTRIB P PY 2016 BP 800 EP 800 DI 10.1109/IPDPS.2016.128 PG 1 WC Computer Science, Hardware & Architecture; Computer Science, Theory & Methods; Engineering, Electrical & Electronic SC Computer Science; Engineering GA BG7EZ UT WOS:000391251800082 ER PT S AU Draeger, EW Andrade, X Gunnels, JA Bhatele, A Schleife, A Correa, AA AF Draeger, Erik W. Andrade, Xavier Gunnels, John A. Bhatele, Abhinav Schleife, Andre Correa, Alfredo A. GP IEEE TI Massively parallel first-principles simulation of electron dynamics in materials SO 2016 IEEE 30TH INTERNATIONAL PARALLEL AND DISTRIBUTED PROCESSING SYMPOSIUM (IPDPS 2016) SE International Parallel and Distributed Processing Symposium IPDPS LA English DT Proceedings Paper CT 30th IEEE International Parallel and Distributed Processing Symposium (IPDPS) CY MAY 23-27, 2016 CL Illinois Inst Technol, Chicago, IL SP IEEE, IEEE Comp Soc, Tech Comm Parallel Proc, ACM SIGARCH, IEEE Comp Soc Tech Comm Comp Architecture, IEEE Comp Soc Tech Comm Distributed Proc HO Illinois Inst Technol DE first-principles; electron dynamics; molecular dynamics; communication optimization ID DENSITY-FUNCTIONAL THEORY; MOLECULAR-DYNAMICS; REAL-TIME; APPROXIMATION; OCTOPUS; SYSTEMS; SPACE AB We present a highly scalable, parallel implementation of first-principles electron dynamics coupled with molecular dynamics (MD). By using optimized kernels, network topology aware communication, and by fully distributing all terms in the time-dependent Kohn-Sham equation, we demonstrate unprecedented time to solution for disordered aluminum systems of 2,000 atoms (22,000 electrons) and 5,400 atoms (59,400 electrons), with wall clock time as low as 7.5 seconds per MD time step. Despite a significant amount of non-local communication required in every iteration, we achieved excellent strong scaling and sustained performance on the Sequoia Blue Gene/Q supercomputer at LLNL. We obtained up to 59% of the theoretical sustained peak performance on 16,384 nodes and performance of 8.75 Petaflop/s (43% of theoretical peak) on the full 98,304 node machine (1,572,864 cores). Scalable explicit electron dynamics allows for the study of phenomena beyond the reach of standard first-principles MD, in particular, materials subject to strong or rapid perturbations, such as pulsed electromagnetic radiation, particle irradiation, or strong electric currents. C1 [Draeger, Erik W.; Andrade, Xavier; Bhatele, Abhinav; Correa, Alfredo A.] Lawrence Livermore Natl Lab, Livermore, CA 94551 USA. [Gunnels, John A.] IBM Thomas J Watson Res Ctr, Yorktown Hts, NY 10598 USA. [Schleife, Andre] Univ Illinois, Urbana, IL 61801 USA. RP Draeger, EW (reprint author), Lawrence Livermore Natl Lab, Livermore, CA 94551 USA. EM draeger1@llnl.gov; xavier@llnl.gov; gunnels@us.ibm.com; bhatele@llnl.gov; schleife@illinois.edu; correatedescol@llnl.gov NR 61 TC 0 Z9 0 U1 3 U2 3 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 1530-2075 BN 978-1-5090-2140-6 J9 INT PARALL DISTRIB P PY 2016 BP 832 EP + DI 10.1109/IPDPS.2016.46 PG 12 WC Computer Science, Hardware & Architecture; Computer Science, Theory & Methods; Engineering, Electrical & Electronic SC Computer Science; Engineering GA BG7EZ UT WOS:000391251800086 ER PT S AU Koanantakool, P Azad, A Buluc, A Morozov, D Oh, SY Oliker, L Yelick, K AF Koanantakool, Penporn Azad, Ariful Buluc, Aydin Morozov, Dmitriy Oh, Sang-Yun Oliker, Leonid Yelick, Katherine GP IEEE TI Communication-Avoiding Parallel Sparse-Dense Matrix-Matrix Multiplication SO 2016 IEEE 30TH INTERNATIONAL PARALLEL AND DISTRIBUTED PROCESSING SYMPOSIUM (IPDPS 2016) SE International Parallel and Distributed Processing Symposium IPDPS LA English DT Proceedings Paper CT 30th IEEE International Parallel and Distributed Processing Symposium (IPDPS) CY MAY 23-27, 2016 CL Illinois Inst Technol, Chicago, IL SP IEEE, IEEE Comp Soc, Tech Comm Parallel Proc, ACM SIGARCH, IEEE Comp Soc Tech Comm Comp Architecture, IEEE Comp Soc Tech Comm Distributed Proc HO Illinois Inst Technol ID ALGORITHM; SELECTION AB Multiplication of a sparse matrix with a dense matrix is a building block of an increasing number of applications in many areas such as machine learning and graph algorithms. However, most previous work on parallel matrix multiplication considered only both dense or both sparse matrix operands. This paper analyzes the communication lower bounds and compares the communication costs of various classic parallel algorithms in the context of sparse-dense matrix-matrix multiplication. We also present new communication-avoiding algorithms based on a 1D decomposition, called 1.5D, which - while suboptimal in dense-dense and sparse-sparse cases - outperform the 2D and 3D variants both theoretically and in practice for sparsedense multiplication. Our analysis separates one-time costs from per iteration costs in an iterative machine learning context. Experiments demonstrate speedups up to 100x over a baseline 3D SUMMA implementation and show parallel scaling over 10 thousand cores. C1 [Koanantakool, Penporn; Azad, Ariful; Buluc, Aydin; Morozov, Dmitriy; Oh, Sang-Yun; Oliker, Leonid; Yelick, Katherine] Lawrence Berkeley Natl Lab, Computat Res Div, Berkeley, CA 94720 USA. [Koanantakool, Penporn; Yelick, Katherine] Univ Calif Berkeley, Dept EECS, Berkeley, CA 94720 USA. [Oh, Sang-Yun] Univ Calif Santa Barbara, Dept Stat & Appl Probabil, Santa Barbara, CA 93106 USA. RP Koanantakool, P (reprint author), Lawrence Berkeley Natl Lab, Computat Res Div, Berkeley, CA 94720 USA.; Koanantakool, P (reprint author), Univ Calif Berkeley, Dept EECS, Berkeley, CA 94720 USA. NR 35 TC 0 Z9 0 U1 2 U2 2 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 1530-2075 BN 978-1-5090-2140-6 J9 INT PARALL DISTRIB P PY 2016 BP 842 EP 853 DI 10.1109/IPDPS.2016.117 PG 12 WC Computer Science, Hardware & Architecture; Computer Science, Theory & Methods; Engineering, Electrical & Electronic SC Computer Science; Engineering GA BG7EZ UT WOS:000391251800087 ER PT S AU Deveci, M Boman, EG Devine, KD Rajamanickam, S AF Deveci, Mehmet Boman, Erik G. Devine, Karen D. Rajamanickam, Sivasankaran GP IEEE TI Parallel Graph Coloring for Manycore Architectures SO 2016 IEEE 30TH INTERNATIONAL PARALLEL AND DISTRIBUTED PROCESSING SYMPOSIUM (IPDPS 2016) SE International Parallel and Distributed Processing Symposium IPDPS LA English DT Proceedings Paper CT 30th IEEE International Parallel and Distributed Processing Symposium (IPDPS) CY MAY 23-27, 2016 CL Illinois Inst Technol, Chicago, IL SP IEEE, IEEE Comp Soc, Tech Comm Parallel Proc, ACM SIGARCH, IEEE Comp Soc Tech Comm Comp Architecture, IEEE Comp Soc Tech Comm Distributed Proc HO Illinois Inst Technol DE coloring; combinatorial scientific computing; GPU; Xeon Phi; manycore ID MULTI-CORE; ALGORITHMS AB Graph algorithms are challenging to parallelize on manycore architectures due to complex data dependencies and irregular memory access. We consider the well studied problem of coloring the vertices of a graph. In many applications it is important to compute a coloring with few colors in near-linear time. In parallel, the optimistic (speculative) coloring method by Gebremedhin and Manne [1] is the preferred approach but it needs to be modified for manycore architectures. We discuss a range of implementation issues for this vertex-based optimistic approach. We also propose a novel edge-based optimistic approach that has more parallelism and is better suited to GPUs. We study the performance empirically on two architectures (Xeon Phi and GPU) and across many data sets (from finite element problems to social networks). Our implementation uses the Kokkos library, so it is portable across platforms. We show that on GPUs, we significantly reduce the number of colors (geometric mean 4X, but up to 48X) as compared to the widely used cuSPARSE library. In addition, our edge-based algorithm is 1.5 times faster on average than cuSPARSE, where it has speedups up to 139X on a circuit problem. We also show the effect of the coloring on a conjugate gradient solver using multi-colored Symmetric Gauss-Seidel method as preconditioner; the higher coloring quality found by the proposed methods reduces the overall solve time up to 33% compared to cuSPARSE. C1 [Deveci, Mehmet; Boman, Erik G.; Devine, Karen D.; Rajamanickam, Sivasankaran] Sandia Natl Labs, POB 5800, Albuquerque, NM 87185 USA. RP Deveci, M (reprint author), Sandia Natl Labs, POB 5800, Albuquerque, NM 87185 USA. EM mndevec@sandia.gov; egboman@sandia.gov; kddevin@sandia.gov; srajama@sandia.gov NR 20 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 1530-2075 BN 978-1-5090-2140-6 J9 INT PARALL DISTRIB P PY 2016 BP 892 EP 901 DI 10.1109/IPDPS.2016.54 PG 10 WC Computer Science, Hardware & Architecture; Computer Science, Theory & Methods; Engineering, Electrical & Electronic SC Computer Science; Engineering GA BG7EZ UT WOS:000391251800092 ER PT S AU Austin, W Ballard, G Kolda, TG AF Austin, Woody Ballard, Grey Kolda, Tamara G. GP IEEE TI Parallel Tensor Compression for Large-Scale Scientific Data SO 2016 IEEE 30TH INTERNATIONAL PARALLEL AND DISTRIBUTED PROCESSING SYMPOSIUM (IPDPS 2016) SE International Parallel and Distributed Processing Symposium IPDPS LA English DT Proceedings Paper CT 30th IEEE International Parallel and Distributed Processing Symposium (IPDPS) CY MAY 23-27, 2016 CL Illinois Inst Technol, Chicago, IL SP IEEE, IEEE Comp Soc, Tech Comm Parallel Proc, ACM SIGARCH, IEEE Comp Soc Tech Comm Comp Architecture, IEEE Comp Soc Tech Comm Distributed Proc HO Illinois Inst Technol DE Tucker tensor decomposition; compression ID SINGULAR-VALUE DECOMPOSITION; COLLECTIVE COMMUNICATION; ALGORITHMS AB As parallel computing trends towards the exascale, scientific data produced by high-fidelity simulations are growing increasingly massive. For instance, a simulation on a three-dimensional spatial grid with 512 points per dimension that tracks 64 variables per grid point for 128 time steps yields 8 TB of data, assuming double precision. By viewing the data as a dense five-way tensor, we can compute a Tucker decomposition to find inherent low-dimensional multilinear structure, achieving compression ratios of up to 5000 on real-world data sets with negligible loss in accuracy. So that we can operate on such massive data, we present the first-ever distributed-memory parallel implementation for the Tucker decomposition, whose key computations correspond to parallel linear algebra operations, albeit with nonstandard data layouts. Our approach specifies a data distribution for tensors that avoids any tensor data redistribution, either locally or in parallel. We provide accompanying analysis of the computation and communication costs of the algorithms. To demonstrate the compression and accuracy of the method, we apply our approach to real-world data sets from combustion science simulations. We also provide detailed performance results, including parallel performance in both weak and strong scaling experiments. C1 [Austin, Woody] Univ Texas Austin, Austin, TX 78712 USA. [Ballard, Grey; Kolda, Tamara G.] Sandia Natl Labs, Livermore, CA USA. RP Austin, W (reprint author), Univ Texas Austin, Austin, TX 78712 USA. EM austinwn@cs.utexas.edu; gmballa@sandia.gov; tgkolda@sandia.gov NR 24 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 1530-2075 BN 978-1-5090-2140-6 J9 INT PARALL DISTRIB P PY 2016 BP 912 EP 922 DI 10.1109/IPDPS.2016.67 PG 11 WC Computer Science, Hardware & Architecture; Computer Science, Theory & Methods; Engineering, Electrical & Electronic SC Computer Science; Engineering GA BG7EZ UT WOS:000391251800094 ER PT S AU Pearce, O Gamblin, T de Supinski, BR Schulz, M Amato, NM AF Pearce, Olga Gamblin, Todd de Supinski, Bronis R. Schulz, Martin Amato, Nancy M. GP IEEE TI MPMD Framework for Offloading Load Balance Computation SO 2016 IEEE 30TH INTERNATIONAL PARALLEL AND DISTRIBUTED PROCESSING SYMPOSIUM (IPDPS 2016) SE International Parallel and Distributed Processing Symposium IPDPS LA English DT Proceedings Paper CT 30th IEEE International Parallel and Distributed Processing Symposium (IPDPS) CY MAY 23-27, 2016 CL Illinois Inst Technol, Chicago, IL SP IEEE, IEEE Comp Soc, Tech Comm Parallel Proc, ACM SIGARCH, IEEE Comp Soc Tech Comm Comp Architecture, IEEE Comp Soc Tech Comm Distributed Proc HO Illinois Inst Technol AB In many parallel scientific simulations, work is assigned to processors by decomposing a spatial domain consisting of mesh cells, particles, or other elements. When work per element changes, simulations can use dynamic load balance algorithms to distribute work to processors evenly. Typical SPMD simulations wait while a load balance algorithm runs on all processors, but this algorithm can itself become a bottleneck. We propose a novel approach based on two key observations: (1) application state typically changes slowly in SPMD physics simulations, so work assignments computed in the past still produce good load balance in the future; (2) we can decouple the load balance algorithm so that it runs concurrently with the application and more efficiently on a smaller number of processors. We then apply the work assignment "late", once it has been computed. We call this approach lazy load balancing. In this paper, we show that the rate of change in work distribution is slow for a Barnes-Hut benchmark and for ParaDiS, a dislocation dynamics simulation. We implement an MPMD framework to exploit this property to save resources by running a load balancing algorithm at higher parallel efficiency on a smaller number of processors. Using our framework, we explore the trade-offs of lazy load balancing and demonstrate performance improvements of up to 46%. C1 [Pearce, Olga; Gamblin, Todd; de Supinski, Bronis R.; Schulz, Martin] Lawrence Livermore Natl Lab, 7000 East Ave, Livermore, CA 94550 USA. [Amato, Nancy M.] Texas A&M Univ, Dept Comp Sci & Engn, College Stn, TX 77843 USA. RP Pearce, O (reprint author), Lawrence Livermore Natl Lab, 7000 East Ave, Livermore, CA 94550 USA. EM olga@llnl.gov; tgamblin@llnl.gov; bronis@llnl.gov; schulzm@llnl.gov; amato@cse.tamu.edu NR 27 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 1530-2075 BN 978-1-5090-2140-6 J9 INT PARALL DISTRIB P PY 2016 BP 943 EP 952 DI 10.1109/IPDPS.2016.16 PG 10 WC Computer Science, Hardware & Architecture; Computer Science, Theory & Methods; Engineering, Electrical & Electronic SC Computer Science; Engineering GA BG7EZ UT WOS:000391251800097 ER PT S AU Turilli, M Liu, F Zhang, Z Merzky, A Wilde, M Weissman, J Katz, DS Jha, S AF Turilli, Matteo Liu, Feng Zhang, Zhao Merzky, Andre Wilde, Michael Weissman, Jon Katz, Daniel S. Jha, Shantenu GP IEEE TI Integrating Abstractions to Enhance the Execution of Distributed Applications SO 2016 IEEE 30TH INTERNATIONAL PARALLEL AND DISTRIBUTED PROCESSING SYMPOSIUM (IPDPS 2016) SE International Parallel and Distributed Processing Symposium IPDPS LA English DT Proceedings Paper CT 30th IEEE International Parallel and Distributed Processing Symposium (IPDPS) CY MAY 23-27, 2016 CL Illinois Inst Technol, Chicago, IL SP IEEE, IEEE Comp Soc, Tech Comm Parallel Proc, ACM SIGARCH, IEEE Comp Soc Tech Comm Comp Architecture, IEEE Comp Soc Tech Comm Distributed Proc HO Illinois Inst Technol DE abstractions; middleware; execution strategies; distributed systems ID SYSTEM AB One of the factors that limits the scale, performance, and sophistication of distributed applications is the difficulty of concurrently executing them on multiple distributed computing resources. In part, this is due to a poor understanding of the general properties and performance of the coupling between applications and dynamic resources. This paper addresses this issue by integrating abstractions representing distributed applications, resources, and execution processes into a pilot-based middleware. The middleware provides a platform that can specify distributed applications, execute them on multiple resource and for different configurations, and is instrumented to support investigative analysis. We analyzed the execution of distributed applications using experiments that measure the benefits of using multiple resources, the late-binding of scheduling decisions, and the use of backfill scheduling. C1 [Turilli, Matteo; Merzky, Andre; Jha, Shantenu] Rutgers State Univ, Elect & Comp Engn, RADICAL Lab, New Brunswick, NJ 08901 USA. [Liu, Feng; Weissman, Jon] Univ Minnesota, Comp Sci & Engn Dept, Minneapolis, MN USA. [Zhang, Zhao] Univ Calif Berkeley, AMPLab, Berkeley, CA 94720 USA. [Wilde, Michael; Katz, Daniel S.] Univ Chicago, Computat Inst, Chicago, IL 60637 USA. [Wilde, Michael; Katz, Daniel S.] Argonne Natl Lab, Chicago, IL USA. RP Jha, S (reprint author), Rutgers State Univ, Elect & Comp Engn, RADICAL Lab, New Brunswick, NJ 08901 USA. NR 49 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 1530-2075 BN 978-1-5090-2140-6 J9 INT PARALL DISTRIB P PY 2016 BP 953 EP 962 DI 10.1109/IPDPS.2016.64 PG 10 WC Computer Science, Hardware & Architecture; Computer Science, Theory & Methods; Engineering, Electrical & Electronic SC Computer Science; Engineering GA BG7EZ UT WOS:000391251800098 ER PT S AU Yang, F Chien, AA AF Yang, Fan Chien, Andrew A. GP IEEE TI ZCCloud: Exploring Wasted Green Power for High-Performance Computing SO 2016 IEEE 30TH INTERNATIONAL PARALLEL AND DISTRIBUTED PROCESSING SYMPOSIUM (IPDPS 2016) SE International Parallel and Distributed Processing Symposium IPDPS LA English DT Proceedings Paper CT 30th IEEE International Parallel and Distributed Processing Symposium (IPDPS) CY MAY 23-27, 2016 CL Illinois Inst Technol, Chicago, IL SP IEEE, IEEE Comp Soc, Tech Comm Parallel Proc, ACM SIGARCH, IEEE Comp Soc Tech Comm Comp Architecture, IEEE Comp Soc Tech Comm Distributed Proc HO Illinois Inst Technol DE High-Performance Computing; Cloud; Power Grid; Batch Scheduling; Power limits AB In supercomputer centers, available power, cooling, or carbon footprint often limits supercomputer performance. We propose a new approach to continue scaling that avoids many of these limits, augmenting a traditional system with another that employs only "wasted" renewable power, stranded power. This excess power cannot be economically distributed through grid, and is only intermittently available. We call this approach Zero-carbon Cloud (ZCCloud). We explore the potential benefits of unreliable resources with production DOE HPC workloads using a simple periodic model, and identify job types that benefit most (capability jobs and on-time jobs). The benefits scale with duty factor and resource quantity. Next, to create realistic models of "stranded power" we study 28 months of Mid-continent Independent System Operator (MISO) power market history (1,259 generators, 77 million 5-minute intervals). We find that opportunity varies, but the best single wind site can provide 80% duty factor, and 20MW average stranded power. Combining sites further improves duty factor. With resource volatility models from the MISO study, we simulate production DOE HPC workloads and find that stranded power HPC, ZCCloud, can provide significant benefit, decreasing average job-wait time by 50%. C1 [Yang, Fan] Univ Chicago, Dept Comp Sci, Chicago, IL 60637 USA. [Chien, Andrew A.] Argonne Natl Lab, Math & Comp Sci, Argonne, IL 60439 USA. RP Yang, F (reprint author), Univ Chicago, Dept Comp Sci, Chicago, IL 60637 USA. EM fanyang@cs.uchicago.edu; achien@cs.uchicago.edu NR 33 TC 0 Z9 0 U1 1 U2 1 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 1530-2075 BN 978-1-5090-2140-6 J9 INT PARALL DISTRIB P PY 2016 BP 1051 EP 1060 DI 10.1109/IPDPS.2016.96 PG 10 WC Computer Science, Hardware & Architecture; Computer Science, Theory & Methods; Engineering, Electrical & Electronic SC Computer Science; Engineering GA BG7EZ UT WOS:000391251800108 ER PT S AU Kettimuthu, R Agrawal, G Sadayappan, P Foster, I AF Kettimuthu, Rajkumar Agrawal, Gagan Sadayappan, P. Foster, Ian GP IEEE TI Differentiated Scheduling of Response-Critical and Best-Effort Wide-Area Data Transfers SO 2016 IEEE 30TH INTERNATIONAL PARALLEL AND DISTRIBUTED PROCESSING SYMPOSIUM (IPDPS 2016) SE International Parallel and Distributed Processing Symposium IPDPS LA English DT Proceedings Paper CT 30th IEEE International Parallel and Distributed Processing Symposium (IPDPS) CY MAY 23-27, 2016 CL Illinois Inst Technol, Chicago, IL SP IEEE, IEEE Comp Soc, Tech Comm Parallel Proc, ACM SIGARCH, IEEE Comp Soc Tech Comm Comp Architecture, IEEE Comp Soc Tech Comm Distributed Proc HO Illinois Inst Technol ID SERVICE AB Many science applications that use wide area networks are response-critical, meaning that they need data to be delivered by a deadline. Yet the state of the art in science networks is best-effort, i. e., transfers are scheduled as they are submitted, with no assurance of completion time or transfer rate. Building on the observation that both the start time and concurrency associated with a given transfer can be controlled, we formulate a bi-objective file transfer scheduling problem. With value functions used to capture the importance and urgency of response-critical transfers, we aim to (a) maximize the aggregate value provided to response-critical transfers, while (b) minimizing average slowdown for other transfers. We present an algorithm, RESEAL, that provides differentiated service to transfers with timing constraints by controlling the scheduled load at the transfer endpoints, while also minimizing the impact of those transfers on other (best-effort) transfers by delaying time-constrained transfers, where useful, so that they complete as close as possible to their optimal completion times (time after which their value starts to decrease). We evaluate RESEAL in a production wide-area network environment using real-world transfer logs. We show that the algorithm can allow responsecritical transfers to achieve an aggregate value of 90% of their maximum aggregate value, even when the total load on the network is as high as 60%, with only 9% slowdown for besteffort tasks. Our results suggest that the needs of response-critical applications can be met without resource reservations. C1 [Kettimuthu, Rajkumar; Foster, Ian] Argonne Natl Lab, Argonne, IL 60439 USA. [Agrawal, Gagan; Sadayappan, P.] Ohio State Univ, Columbus, OH 43210 USA. RP Kettimuthu, R (reprint author), Argonne Natl Lab, Argonne, IL 60439 USA. EM kettimut@anl.gov; agrawal@cse.ohio-state.edu; saday@cse.ohio-state.edu; foster@anl.gov NR 35 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 1530-2075 BN 978-1-5090-2140-6 J9 INT PARALL DISTRIB P PY 2016 BP 1113 EP 1122 DI 10.1109/IPDPS.2016.97 PG 10 WC Computer Science, Hardware & Architecture; Computer Science, Theory & Methods; Engineering, Electrical & Electronic SC Computer Science; Engineering GA BG7EZ UT WOS:000391251800114 ER PT S AU Machovec, D Khemka, B Pasricha, S Maciejewski, AA Siegel, HJ Koenig, GA Wright, M Hilton, M Rambharos, R Imam, N AF Machovec, Dylan Khemka, Bhavesh Pasricha, Sudeep Maciejewski, Anthony A. Siegel, Howard Jay Koenig, Gregory A. Wright, Michael Hilton, Marcia Rambharos, Rejendra Imam, Neena GP IEEE TI Dynamic Resource Management for Parallel Tasks in an Oversubscribed Energy-Constrained Heterogeneous Environment SO 2016 IEEE 30TH INTERNATIONAL PARALLEL AND DISTRIBUTED PROCESSING SYMPOSIUM WORKSHOPS (IPDPSW) SE IEEE International Symposium on Parallel and Distributed Processing Workshops LA English DT Proceedings Paper CT 30th IEEE International Parallel and Distributed Processing Symposium (IPDPS) CY MAY 23-27, 2016 CL Illinois Inst Technol, Chicago, IL SP IEEE, IEEE Comp Soc, Tech Comm Parallel Proc, ACM SIGARCH, IEEE Comp Soc Tech Comm Comp Architecture, IEEE Comp Soc Tech Comm Distributed Proc HO Illinois Inst Technol DE heterogeneous computing; energy-aware computing; utility functions; resource management heuristics; parallel tasks; scheduling ID INDEPENDENT TASKS; COMPUTING SYSTEMS; FRAMEWORK AB The worth of completing parallel tasks is modeled using utility functions, which monotonically-decrease with time and represent the importance and urgency of a task. These functions define the utility earned by a task at the time of its completion. The performance of such a system is measured as the total utility earned by all completed tasks over some interval of time (e.g., 24 hours). To maximize system performance when scheduling dynamically arriving parallel tasks onto a high performance computing (HPC) system that is oversubscribed and energy-constrained, we have designed, analyzed, and compared different heuristic techniques. Four utility-aware heuristics (i.e., Max Utility, Max Utility-per-Time, Max Utility-per-Resource, and Max Utility-per-Energy), three FCFS-based heuristics (Conservative Backfilling, EASY Backfilling, and FCFS with Multiple Queues), and a Random heuristic were examined in this study. A technique that is often used with the FCFS-based heuristics is the concept of a permanent reservation. We compare the performance of permanent reservations with temporary place-holders to demonstrate the advantages that place-holders can provide. We also present a novel energy filtering technique that constrains the maximum energy-per-resource used by each task. We conducted a simulation study to evaluate the performance of these heuristics and techniques in an energy-constrained oversubscribed HPC environment. With place-holders, energy filtering, and dropping tasks with low potential utility, our utility-aware heuristics are able to significantly outperform the existing FCFS-based techniques. C1 [Machovec, Dylan; Khemka, Bhavesh; Pasricha, Sudeep; Maciejewski, Anthony A.; Siegel, Howard Jay] Colorado State Univ, Dept Elect & Comp Engn, Ft Collins, CO 80523 USA. [Pasricha, Sudeep; Siegel, Howard Jay] Colorado State Univ, Dept Comp Sci, Ft Collins, CO 80523 USA. [Koenig, Gregory A.; Imam, Neena] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA. [Wright, Michael; Hilton, Marcia; Rambharos, Rejendra] US Dept Def, Washington, DC 20001 USA. RP Machovec, D (reprint author), Colorado State Univ, Dept Elect & Comp Engn, Ft Collins, CO 80523 USA. EM djmachov@rams.colostate.edu; bhavesh.khemka@gmail.com; sudeep@colostate.edu; aam@colostate.edu; hj@colostate.edu; koenig@ornl.gov; michael.wright4@comcast.net; mmskizig@verizon.net; jendra.rambharos@gmail.com; imamn@ornl.gov NR 25 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 2164-7062 BN 978-1-5090-3682-0 J9 IEEE SYM PARA DISTR PY 2016 BP 67 EP 78 DI 10.1109/IPDPSW.2016.25 PG 12 WC Computer Science, Hardware & Architecture; Computer Science, Theory & Methods SC Computer Science GA BG7FR UT WOS:000391253600007 ER PT S AU Booth, JD Kim, K Rajamanickam, S AF Booth, Joshua Dennis Kim, Kyungjoo Rajamanickam, Sivasankaran GP IEEE TI A Comparison of High-Level Programming Choices for Incomplete Sparse Factorization Across Different Architectures SO 2016 IEEE 30TH INTERNATIONAL PARALLEL AND DISTRIBUTED PROCESSING SYMPOSIUM WORKSHOPS (IPDPSW) SE IEEE International Symposium on Parallel and Distributed Processing Workshops LA English DT Proceedings Paper CT 30th IEEE International Parallel and Distributed Processing Symposium (IPDPS) CY MAY 23-27, 2016 CL Illinois Inst Technol, Chicago, IL SP IEEE, IEEE Comp Soc, Tech Comm Parallel Proc, ACM SIGARCH, IEEE Comp Soc Tech Comm Comp Architecture, IEEE Comp Soc Tech Comm Distributed Proc HO Illinois Inst Technol ID PARALLEL; ALGORITHM; CHOLESKY AB All many-core systems require fine-grained shared memory parallelism, however the most efficient way to extract such parallelism is far from trivial. Fine-grained parallel algorithms face various performance trade-offs related to tasking, accesses to global data-structures, and use of shared cache. While programming models provide high level abstractions, such as data and task parallelism, algorithmic choices still remain open on how to best implement irregular algorithms, such as sparse factorizations, while taking into account the trade-offs mentioned above. In this paper, we compare these performance trade-offs for task and data parallelism on different hardware architectures such as Intel Sandy Bridge, Intel Xeon Phi, and IBM Power8. We do this by comparing the scaling of a new task-parallel incomplete sparse Cholesky factorization called Tacho and a new data-parallel incomplete sparse LU factorization called Basker. Both solvers utilize Kokkos programming model and were developed within the ShyLU package of Trilinos. Using these two codes we demonstrate how high-level programming changes affect performance and overhead costs on multiple multi/many-core systems. We find that Kokkos is able to provide comparable performance with both parallel_for and task/futures on traditional x86 multicores. However, the choice of which high-level abstraction to use on many-core systems depends on both the architectures and input matrices. C1 [Booth, Joshua Dennis; Kim, Kyungjoo; Rajamanickam, Sivasankaran] Sandia Natl Labs, Ctr Res Comp, POB 5800, Albuquerque, NM 87185 USA. RP Booth, JD (reprint author), Sandia Natl Labs, Ctr Res Comp, POB 5800, Albuquerque, NM 87185 USA. EM jdbooth@sandia.gov; kyukim@sandia.gov; srajama@sandia.gov NR 32 TC 0 Z9 0 U1 1 U2 1 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 2164-7062 BN 978-1-5090-3682-0 J9 IEEE SYM PARA DISTR PY 2016 BP 397 EP 406 DI 10.1109/IPDPSW.2016.41 PG 10 WC Computer Science, Hardware & Architecture; Computer Science, Theory & Methods SC Computer Science GA BG7FR UT WOS:000391253600050 ER PT S AU Shams, S Kim, N Meng, XD Ha, MT Jha, S Wang, Z Kim, J AF Shams, Shayan Kim, Nayong Meng, Xiandong Ha, Ming Tai Jha, Shantenu Wang, Zhong Kim, Joohyun GP IEEE TI A Scalable Pipeline For Transcriptome Profiling Tasks With On-demand Computing Clouds SO 2016 IEEE 30TH INTERNATIONAL PARALLEL AND DISTRIBUTED PROCESSING SYMPOSIUM WORKSHOPS (IPDPSW) SE IEEE International Symposium on Parallel and Distributed Processing Workshops LA English DT Proceedings Paper CT 30th IEEE International Parallel and Distributed Processing Symposium (IPDPS) CY MAY 23-27, 2016 CL Illinois Inst Technol, Chicago, IL SP IEEE, IEEE Comp Soc, Tech Comm Parallel Proc, ACM SIGARCH, IEEE Comp Soc Tech Comm Comp Architecture, IEEE Comp Soc Tech Comm Distributed Proc HO Illinois Inst Technol ID GENERATION SEQUENCING DATA; RNA-SEQ DATA; MICROBIAL GENOMES; FRAMEWORK; ASSEMBLER; TOOL; BIOINFORMATICS AB We introduce a pilot-based approach with which scalable data analytics essential for a large RNA-seq data set are efficiently carried out. Major development mechanisms, designed in order to achieve the required scalability, in particular, targeting cloud environments with on-demand computing, are presented. With an example of Amazon EC2, by harnessing distributed and parallel computing implementations, our pipeline is able to allocate optimally computing resources to tasks of a target workflow in an efficient manner. Consequently, decreasing time-to-completion (TTC) or cost, avoiding failures due to a limited resource of a single node, and enabling scalable data analysis with multiple options can be achieved. Our developed pipeline benefits from the underlying pilot system, Radical Pilot, being readily amenable to scalable solutions over distributed heterogeneous computing resources and suitable for advanced workflows of dynamically adaptive executions. In order to provide insights on such features, benchmark experiments, using two real data sets, were carried out. The benchmark experiments focus on the most computationally expensive transcript assembly step. Evaluation and comparison of transcript assembly accuracy using a single de novo assembler or the combination of multiple assemblers are also presented, underscoring its potential as a platform to support multi-assembler multi-parameter methods or ensemble methods which are statistically attractive and easily feasible with our scalable pipeline. The developed pipeline, as manifested by results presented in this work, is built upon effective strategies that address major challenging issues and viable solutions toward an integrative and scalable method for large-scale RNA-seq data analysis, particularly maximizing merits of Infrastructure as a Service (IaaS) clouds. C1 [Shams, Shayan; Kim, Nayong; Kim, Joohyun] Louisiana State Univ, Ctr Computat & Technol, Baton Rouge, LA 70803 USA. [Meng, Xiandong; Wang, Zhong] Lawrence Berkeley Natl Lab, Joint Genom Inst, Dept Energy, Genom Devis, Walnut Creek, CA 94598 USA. [Ha, Ming Tai; Jha, Shantenu] Rutgers State Univ, Elect & Comp Engn, Busch Campus, Piscataway, NJ 08854 USA. RP Kim, J (reprint author), Louisiana State Univ, Ctr Computat & Technol, Baton Rouge, LA 70803 USA. EM sshams2@cct.lsu.edu; nykim@cct.lsu.edu; xiandongmeng@lbl.gov; ming.tai.ha@gmail.com; shantenu.jha@rutgers.edu; zhongwang@lbl.gov; jhkim@cct.lsu.edu NR 39 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 2164-7062 BN 978-1-5090-3682-0 J9 IEEE SYM PARA DISTR PY 2016 BP 443 EP 452 DI 10.1109/IPDPSW.2016.129 PG 10 WC Computer Science, Hardware & Architecture; Computer Science, Theory & Methods SC Computer Science GA BG7FR UT WOS:000391253600055 ER PT S AU Humble, TS McCaskey, AJ Schrock, J Seddiqi, H Britt, KA Imam, N AF Humble, Travis S. McCaskey, Alexander J. Schrock, Jonathan Seddiqi, Hadayat Britt, Keith A. Imam, Neena GP IEEE TI Performance Models for Split-execution Computing Systems SO 2016 IEEE 30TH INTERNATIONAL PARALLEL AND DISTRIBUTED PROCESSING SYMPOSIUM WORKSHOPS (IPDPSW) SE IEEE International Symposium on Parallel and Distributed Processing Workshops LA English DT Proceedings Paper CT 30th IEEE International Parallel and Distributed Processing Symposium (IPDPS) CY MAY 23-27, 2016 CL Illinois Inst Technol, Chicago, IL SP IEEE, IEEE Comp Soc, Tech Comm Parallel Proc, ACM SIGARCH, IEEE Comp Soc Tech Comm Comp Architecture, IEEE Comp Soc Tech Comm Distributed Proc HO Illinois Inst Technol AB Split-execution computing leverages the capabilities of multiple computational models to solve problems, but splitting program execution across different computational models incurs costs associated with the translation between domains. We analyze the performance of a split-execution computing system developed from conventional and quantum processing units (QPUs) by using behavioral models that track resource usage. We focus on asymmetric processing models built using conventional CPUs and a family of special-purpose QPUs that employ quantum computing principles. Our performance models account for the translation of a classical optimization problem into the physical representation required by the quantum processor while also accounting for hardware limitations and conventional processor speed and memory. We conclude that the bottleneck in this split-execution computing system lies at the quantum-classical interface and that the primary time cost is independent of quantum processor behavior. C1 [Humble, Travis S.; McCaskey, Alexander J.; Schrock, Jonathan; Seddiqi, Hadayat; Britt, Keith A.; Imam, Neena] Oak Ridge Natl Lab, Quantum Comp Inst, Oak Ridge, TN 37831 USA. [Humble, Travis S.; Britt, Keith A.] Univ Tennessee, Bredesen Ctr, Knoxville, TN 37996 USA. [Imam, Neena] Oak Ridge Natl Lab, Computat Res & Dev Programs, Oak Ridge, TN 37831 USA. RP Humble, TS (reprint author), Oak Ridge Natl Lab, Quantum Comp Inst, Oak Ridge, TN 37831 USA.; Humble, TS (reprint author), Univ Tennessee, Bredesen Ctr, Knoxville, TN 37996 USA. NR 38 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 2164-7062 BN 978-1-5090-3682-0 J9 IEEE SYM PARA DISTR PY 2016 BP 545 EP 554 DI 10.1109/IPDPSW.2016.113 PG 10 WC Computer Science, Hardware & Architecture; Computer Science, Theory & Methods SC Computer Science GA BG7FR UT WOS:000391253600066 ER PT S AU Jia, YL Luszczek, P Dongarra, J AF Jia, Yulu Luszczek, Piotr Dongarra, Jack GP IEEE TI Hessenberg Reduction with Transient Error Resilience on GPU-Based Hybrid Architectures SO 2016 IEEE 30TH INTERNATIONAL PARALLEL AND DISTRIBUTED PROCESSING SYMPOSIUM WORKSHOPS (IPDPSW) SE IEEE International Symposium on Parallel and Distributed Processing Workshops LA English DT Proceedings Paper CT 30th IEEE International Parallel and Distributed Processing Symposium (IPDPS) CY MAY 23-27, 2016 CL Illinois Inst Technol, Chicago, IL SP IEEE, IEEE Comp Soc, Tech Comm Parallel Proc, ACM SIGARCH, IEEE Comp Soc Tech Comm Comp Architecture, IEEE Comp Soc Tech Comm Distributed Proc HO Illinois Inst Technol ID LINEAR-SYSTEM SOLVER; SOFT ERRORS; FAULT-TOLERANCE; PERFORMANCE AB Graphics Processing Units (GPUs) have been seeing widespread adoption in the field of scientific computing, owing to the performance gains provided on computation-intensive applications. In this paper, we present the design and implementation of a Hessenberg reduction algorithm immune to simultaneous soft-errors, capable of taking advantage of hybrid GPU-CPU platforms. These soft-errors are detected and corrected on the fly, preventing the propagation of the error to the rest of the data. Our design is at the intersection between several fault tolerant techniques and employs the algorithm-based fault tolerance technique, diskless checkpointing, and reverse computation to achieve its goal. By utilizing the idle time of the CPUs, and by overlapping both host-side and GPU-side workloads, we minimize the resilience overhead. Experimental results have validated our design decisions as our algorithm introduced less than 2% performance overhead compared to the optimized, but fault-prone, hybrid Hessenberg reduction. C1 [Jia, Yulu; Luszczek, Piotr; Dongarra, Jack] Univ Tennessee, Knoxville, TN 37996 USA. [Dongarra, Jack] Oak Ridge Natl Lab, Oak Ridge, TN USA. [Dongarra, Jack] Univ Manchester, Manchester M13 9PL, Lancs, England. RP Jia, YL (reprint author), Univ Tennessee, Knoxville, TN 37996 USA. NR 27 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 2164-7062 BN 978-1-5090-3682-0 J9 IEEE SYM PARA DISTR PY 2016 BP 653 EP 662 DI 10.1109/IPDPSW.2016.34 PG 10 WC Computer Science, Hardware & Architecture; Computer Science, Theory & Methods SC Computer Science GA BG7FR UT WOS:000391253600077 ER PT S AU Eberhardt, R Hoemmen, M AF Eberhardt, Ryan Hoemmen, Mark GP IEEE TI Optimization of Block Sparse Matrix-Vector Multiplication on Shared-Memory Parallel Architectures SO 2016 IEEE 30TH INTERNATIONAL PARALLEL AND DISTRIBUTED PROCESSING SYMPOSIUM WORKSHOPS (IPDPSW) SE IEEE International Symposium on Parallel and Distributed Processing Workshops LA English DT Proceedings Paper CT 30th IEEE International Parallel and Distributed Processing Symposium (IPDPS) CY MAY 23-27, 2016 CL Illinois Inst Technol, Chicago, IL SP IEEE, IEEE Comp Soc, Tech Comm Parallel Proc, ACM SIGARCH, IEEE Comp Soc Tech Comm Comp Architecture, IEEE Comp Soc Tech Comm Distributed Proc HO Illinois Inst Technol AB We examine the implementation of block compressed row storage (BCSR) sparse matrix-vector multiplication (SpMV) for sparse matrices with dense block substructure, optimized for blocks with sizes from 2x2 to 32x32, on CPU, Intel many-integrated-core, and GPU architectures. Previous research on SpMV for matrices with dense block substructure has largely focused on the design of novel data structures to optimize performance for specific architectures or to store variable-sized, variably-aligned blocks, but depending on alternate storage formats breaks compatibility with existing preconditioners and solvers or imposes significant runtime costs when converting between matrix formats. This paper instead focuses on the optimization of SpMV using the standard block compressed row storage (BCSR) format. We give a set of algorithms that performs SpMV up to 4x faster than the NVIDIA cuSPARSE cusparseDbsrmv routine, up to 147x faster than the Intel Math Kernel Library (MKL) mkl_dbsrmv routine (a single-threaded BCSR SpMV kernel), and up to 3x faster than the MKL mkl_dcsrmv routine (a multi-threaded CSR SpMV kernel). C1 [Eberhardt, Ryan] William Rainey Harper Coll, Palatine, IL 60067 USA. [Hoemmen, Mark] Sandia Natl Labs, Albuquerque, NM USA. RP Eberhardt, R (reprint author), William Rainey Harper Coll, Palatine, IL 60067 USA. EM r_eberhardt4@mail.harpercollege.edu; mhoemme@sandia.gov NR 13 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 2164-7062 BN 978-1-5090-3682-0 J9 IEEE SYM PARA DISTR PY 2016 BP 663 EP 672 DI 10.1109/IPDPSW.2016.42 PG 10 WC Computer Science, Hardware & Architecture; Computer Science, Theory & Methods SC Computer Science GA BG7FR UT WOS:000391253600078 ER PT S AU Booth, JD Rajamanickam, S Thornquist, HK AF Dennis Booth, Joshua Rajamanickam, Sivasankaran Thornquist, Heidi K. GP IEEE TI Basker: A Threaded Sparse LU Factorization Utilizing Hierarchical Parallelism and Data Layouts SO 2016 IEEE 30TH INTERNATIONAL PARALLEL AND DISTRIBUTED PROCESSING SYMPOSIUM WORKSHOPS (IPDPSW) SE IEEE International Symposium on Parallel and Distributed Processing Workshops LA English DT Proceedings Paper CT 30th IEEE International Parallel and Distributed Processing Symposium (IPDPS) CY MAY 23-27, 2016 CL Illinois Inst Technol, Chicago, IL SP IEEE, IEEE Comp Soc, Tech Comm Parallel Proc, ACM SIGARCH, IEEE Comp Soc Tech Comm Comp Architecture, IEEE Comp Soc Tech Comm Distributed Proc HO Illinois Inst Technol ID LINEAR-SYSTEMS; ELIMINATION; SIMULATION; ALGORITHM; SOLVER AB Scalable sparse LU factorization is critical for efficient numerical simulation of circuits and electrical power grids. In this work, we present a new scalable sparse direct solver called Basker. Basker introduces a new algorithm to parallelize the Gilbert-Peierls algorithm for sparse LU factorization. As architectures evolve, there exists a need for algorithms that are hierarchical in nature to match the hierarchy in thread teams, individual threads, and vector level parallelism. Basker is designed to map well to this hierarchy in architectures. There is also a need for data layouts to match multiple levels of hierarchy in memory. Basker uses a two-dimensional hierarchical structure of sparse matrices that maps to the hierarchy in the memory architectures and to the hierarchy in parallelism. We present performance evaluations of Basker on the Intel SandyBridge and Xeon Phi platforms using circuit and power grid matrices taken from the University of Florida sparse matrix collection and from Xyce circuit simulations. Basker achieves a geometric mean speedup of 5.91x on CPU (16 cores) and 7.4x on Xeon Phi (32 cores) relative to KLU. Basker outperforms Intel MKL Pardiso (PMKL) by as much as 30x on CPU (16 cores) and 7.5x on Xeon Phi (32 cores) for low fill-in circuit matrices. Furthermore, Basker provides 5.4x speedup on a challenging matrix sequence taken from an actual Xyce simulation. C1 [Dennis Booth, Joshua; Rajamanickam, Sivasankaran; Thornquist, Heidi K.] Sandia Natl Labs, POB 5800, Albuquerque, NM 87185 USA. RP Booth, JD (reprint author), Sandia Natl Labs, POB 5800, Albuquerque, NM 87185 USA. EM jdbooth@sandia.gov; srajama@sandia.gov; hkthorn@sandia.gov NR 21 TC 0 Z9 0 U1 0 U2 0 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 2164-7062 BN 978-1-5090-3682-0 J9 IEEE SYM PARA DISTR PY 2016 BP 673 EP 682 DI 10.1109/IPDPSW.2016.92 PG 10 WC Computer Science, Hardware & Architecture; Computer Science, Theory & Methods SC Computer Science GA BG7FR UT WOS:000391253600079 ER PT S AU Ryan, K Rajan, D Ahmed, S AF Ryan, Kevin Rajan, Deepak Ahmed, Shabbir GP IEEE TI Scenario Decomposition for 0-1 Stochastic Programs: Improvements and Asynchronous Implementation SO 2016 IEEE 30TH INTERNATIONAL PARALLEL AND DISTRIBUTED PROCESSING SYMPOSIUM WORKSHOPS (IPDPSW) SE IEEE International Symposium on Parallel and Distributed Processing Workshops LA English DT Proceedings Paper CT 30th IEEE International Parallel and Distributed Processing Symposium (IPDPS) CY MAY 23-27, 2016 CL Illinois Inst Technol, Chicago, IL SP IEEE, IEEE Comp Soc, Tech Comm Parallel Proc, ACM SIGARCH, IEEE Comp Soc Tech Comm Comp Architecture, IEEE Comp Soc Tech Comm Distributed Proc HO Illinois Inst Technol ID COMBINATORIAL OPTIMIZATION; UNCERTAINTY AB A recently proposed scenario decomposition algorithm for stochastic 0-1 programs finds an optimal solution by evaluating and removing individual solutions that are discovered by solving scenario subproblems. In this work, we develop an asynchronous, distributed implementation of the algorithm which has computational advantages over existing synchronous implementations of the algorithm. Improvements to both the synchronous and asynchronous algorithm are proposed. We test the results on well known stochastic 0-1 programs from the SIPLIB test library and is able to solve one previously unsolved instance from the test set. C1 [Ryan, Kevin; Ahmed, Shabbir] Georgia Inst Technol, Atlanta, GA 30332 USA. [Rajan, Deepak] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA. RP Ryan, K (reprint author), Georgia Inst Technol, Atlanta, GA 30332 USA. EM kryan31@gatech.edu; rajan3@llnl.gov; sahmed@isye.gatech.edu NR 16 TC 0 Z9 0 U1 1 U2 1 PU IEEE PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017 USA SN 2164-7062 BN 978-1-5090-3682-0 J9 IEEE SYM PARA DISTR PY 2016 BP 722 EP 729 DI 10.1109/IPDPSW.2016.119 PG 8 WC Computer Science, Hardware & Architecture; Computer Science, Theory & Methods SC Computer Science GA BG7FR UT WOS:000391253600084 ER EF