FN Thomson Reuters Web of Science™ VR 1.0 PT J AU Mukerjee, S Xu, C Moore, JE AF Mukerjee, Subroto Xu, Cenke Moore, J. E. TI Dynamical models and the phase ordering kinetics of the s=1 spinor condensate SO PHYSICAL REVIEW B LA English DT Article ID BOSE-EINSTEIN CONDENSATE; GASES AB The s=1 spinor Bose condensate at zero temperature supports ferromagnetic and polar phases that combine magnetic and superfluid ordering. We investigate the formation of magnetic domains at finite temperature and magnetic field in two dimensions in an optical trap. We study the general ground state phase diagram of a spin-1 system and focus on a phase that has a magnetic Ising order parameter and numerically determine the nature of the finite-temperature superfluid and magnetic phase transitions. We then study three different dynamical models: model A, which has no conserved quantities, model F, which has a conserved second-sound mode, and the Gross-Pitaevskii (GP) equation, which has a conserved density and magnetization. We find the dynamic critical exponent to be the same for models A and F (z=2) but different for GP (z approximate to 3). Externally imposed magnetization conservation in models A and F yields the value z approximate to 3, which demonstrates that the only conserved density relevant to domain formation is the magnetization density. C1 Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA. Lawrence Berkeley Lab, Div Sci Mat, Berkeley, CA 94720 USA. RP Mukerjee, S (reprint author), Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA. RI Moore, Joel/O-4959-2016 OI Moore, Joel/0000-0002-4294-5761 NR 26 TC 17 Z9 17 U1 0 U2 2 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 1098-0121 J9 PHYS REV B JI Phys. Rev. B PD SEP PY 2007 VL 76 IS 10 AR 104519 DI 10.1103/PhysRevB.76.104519 PG 12 WC Physics, Condensed Matter SC Physics GA 215CQ UT WOS:000249786300102 ER PT J AU Nirmala, R Mudryk, Y Pecharsky, VK Gschneidner, KA AF Nirmala, R. Mudryk, Ya. Pecharsky, V. K. Gschneidner, K. A., Jr. TI Magnetic and structural transitions in Dy5Si3Ge SO PHYSICAL REVIEW B LA English DT Article ID GD-5(SI2GE2); SILICON AB Magnetization and x-ray powder diffraction studies have been performed on a polycrystalline sample of Dy5Si3Ge compound. This compound has a monoclinic crystal structure (Gd5Si2Ge2-type, space group P112(1)/a) at room temperature. Low field magnetization data taken on heating from a zero-field-cooled state indicate a ferromagnetic transition at 62 K (T-C) followed by an antiferromagneticlike cusp at 74 K (T-N). The ferromagnetic transition is marked by a significant hysteresis between zero-field-cooled and field-cooled measurements. Magnetization vs field isotherms display a reversible metamagnetic step with critical fields ranging from similar to 10 k to 55 kOe, in the temperature range of 60-80 K. At 50 K, magnetization is typical of a soft ferromagnet, whereas between 2 and 15 K, the M-H data show a substantial remanence and coercivity. A sharp step in magnetization occurs at 1.8 K in a field of similar to 10 kOe, giving rise to a saturation magnetization (M-s) of similar to 9.7 mu(B)/Dy3+. X-ray diffraction studies in the temperature range of 5-300 K reveal a monoclinic to orthorhombic (Gd5Si4-type, space group Pnma) transition in the neighbourhood of T-C, with a significant thermal hysteresis around the transition. The changes in the lattice parameters, Delta a/a, Delta b/b, and Delta c/c across the transition are similar to-1%, -0.2%, and 0.2%, respectively. The structural transition remains incomplete down to 5 K (with similar to 53 vol % of the monoclinic phase coexisting with similar to 47 vol % of the orthorhombic Gd5Si4-type phase). Application of a magnetic field at 10 K does not lead to the growth of the orthorhombic phase, whereas at 55 K, application of 40 kOe magnetic field increases the concentration of the orthorhombic phase from 24% to 37%. C1 Iowa State Univ, Dept Energy, Ames Lab, Ames, IA 50011 USA. Iowa State Univ, Dept Mat Sci & Engn, Ames Lab, Ames, IA 50011 USA. RP Pecharsky, VK (reprint author), Iowa State Univ, Dept Energy, Ames Lab, Ames, IA 50011 USA. EM vitkp@ameslab.gov NR 36 TC 21 Z9 21 U1 1 U2 9 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 1098-0121 J9 PHYS REV B JI Phys. Rev. B PD SEP PY 2007 VL 76 IS 10 AR 104417 DI 10.1103/PhysRevB.76.104417 PG 8 WC Physics, Condensed Matter SC Physics GA 215CQ UT WOS:000249786300062 ER PT J AU Parker, D Haas, S Balatsky, AV AF Parker, David Haas, Stephan Balatsky, Alexander V. TI Generalized cuprate gap symmetry and higher d-wave harmonics: Effects of correlation length, doping, temperature, and impurity scattering SO PHYSICAL REVIEW B LA English DT Article ID SUPERCONDUCTING ORDER-PARAMETER; WEAK-COUPLING THEORY; DENSITY-OF-STATES; PAIRING SYMMETRY; COPPER OXIDES; YBA2CU3O7-DELTA; YBA2CU3O6.95; BI2SR2CACU2O8+DELTA; LA1.86SR0.14CUO4; DEPENDENCE AB Although d(x)(2)-y(2) gap symmetry is well established for the hole-doped cuprates, and for at least a portion of the electron-doped cuprates, the possibility of higher-harmonic gap functions remains. Here we analyze the higher-harmonic problem within a spin-fluctuation-mediated pairing framework by solving the BCS gap equation on a quasicylindrical Fermi surface, explicitly considering deviations from a cylindrical Fermi surface, with specified band structure. We find a number of interesting effects: the shape of the gap function is virtually insensitive to the value of the correlation length assumed; the gap near the node gets steeper with underdoping, implying a flatter density of states; the higher-harmonic components show a complex doping dependence; and the shape of the gap function is insensitive to impurity scattering in the unitary and Born limits. C1 Max Planck Inst Phys Komplexer Syst, D-01187 Dresden, Germany. Univ So Calif, Dept Phys & Astron, Los Angeles, CA 90089 USA. Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA. RP Parker, D (reprint author), Max Planck Inst Phys Komplexer Syst, Nothnitzer Str 38, D-01187 Dresden, Germany. RI Haas, Stephan/C-4103-2008 NR 42 TC 1 Z9 1 U1 0 U2 2 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 2469-9950 EI 2469-9969 J9 PHYS REV B JI Phys. Rev. B PD SEP PY 2007 VL 76 IS 10 AR 104503 DI 10.1103/PhysRevB.76.104503 PG 7 WC Physics, Condensed Matter SC Physics GA 215CQ UT WOS:000249786300086 ER PT J AU Peterson, MR Mukerjee, S Shastry, BS Haerter, JO AF Peterson, Michael R. Mukerjee, Subroto Shastry, B. Sriram Haerter, Jan O. TI Dynamical thermal response functions for strongly correlated one-dimensional systems: Hubbard and spinless fermion t-V model SO PHYSICAL REVIEW B LA English DT Article ID MEAN-FIELD THEORY; THERMOELECTRIC-POWER; MOTT TRANSITION; THERMOPOWER; TRANSPORT AB In this paper, we study the thermal response functions for two one-dimensional models, namely, the Hubbard and spinless fermion t-V model, respectively. By exactly diagonalizing finite sized systems, we calculate dynamical, electrical, thermoelectrical, and thermal conductivities via the Kubo formalism [J. Phys. Soc. Jpn. 12, 570 (1957)]. The thermopower (Seebeck coefficient), Lorenz number, and dimensionless figure of merit are then constructed, which are quantities of great interest to the physics community both theoretically and experimentally. We also geometrically frustrate these systems and destroy integrability by the inclusion of a second-neighbor hop in the kinetic energy operator. These frustrated systems are shown to have enhanced thermopower and Lorenz number at intermediate and low temperatures. C1 Univ Calif Santa Cruz, Dept Phys, Santa Cruz, CA 95064 USA. Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA. Univ Calif Berkeley, Lawrence Berkeley Lab, Div Mat Sci, Berkeley, CA 94720 USA. RP Peterson, MR (reprint author), Univ Calif Santa Cruz, Dept Phys, Santa Cruz, CA 95064 USA. EM peterson@physics.ucsc.edu RI Peterson, Michael/A-5281-2009; Haerter, Jan/I-4410-2012; OI Peterson, Michael/0000-0002-4524-6819; Haerter, Jan O/0000-0002-8617-3847 NR 35 TC 15 Z9 15 U1 1 U2 4 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 SEP PY 2007 VL 76 IS 12 AR 125110 DI 10.1103/PhysRevB.76.125110 PG 14 WC Physics, Condensed Matter SC Physics GA 215CS UT WOS:000249786500019 ER PT J AU Phelan, D Louca, D Kamazawa, K Hundley, MF Yamada, K AF Phelan, D. Louca, Despina Kamazawa, K. Hundley, M. F. Yamada, K. TI Influence of the ionic size on the evolution of local Jahn-Teller distortions in cobaltites SO PHYSICAL REVIEW B LA English DT Article ID SPIN-STATE TRANSITIONS; COLLECTIVE-ELECTRON TRANSITION; NEUTRON-DIFFRACTION; TRANSPORT-PROPERTIES; MAGNETIC PROPERTIES; LACOO3; LA1-XSRXCOO3; ORDER; LA1-XCAXCOO3; MOSSBAUER AB The thermodynamic and atomic structure properties of La(1-x)A(x)CoO(3) (A=Ba(2+) and Ca(2+)) with 0 <= x <= 0.5, a class of compounds that exhibit magnetoresistance in the presence of an applied magnetic field, have been investigated via magnetic and transport measurements and neutron scattering. While in the parent compound, the Co(3+) ion undergoes a spin-state transition from the low-spin ground state to a dynamic intermediate-spin configuration thermally, with hole doping, the intermediate-spin state becomes static as evidenced by the Jahn-Teller octahedral splitting of the Co-O bonds. The size of the split depends strongly on the tolerance factor, where small or no Jahn-Teller distortions are observed in samples with small tolerance factors (i.e., Ca), but as the tolerance factor approaches 1 (i.e., Ba), the bond split can be as much as 0.2 A. At the same time, ferromagnetic ordering is also influenced by the tolerance factor. As it gets closer to 1, ferromagnetic coupling is enhanced due to the straightening of the Co-O-Co bonds, where the angle becomes almost 180 degrees that, in turn, favors double-exchange interactions between Co ions. With the ferromagnetic transition, the system becomes metallic and shows a negative magnetoresistance with field. As the tolerance factor is reduced from 1, the ferromagnetic coupling is weak and the bond angle is about 160 degrees. C1 Univ Virginia, Dept Phys, Charlottesville, VA 22904 USA. Los Alamos Natl Lab, Los Alamos, NM 87454 USA. Tohoku Univ, Inst Mat Res, Sendai, Miyagi 980, Japan. RP Phelan, D (reprint author), Univ Virginia, Dept Phys, Charlottesville, VA 22904 USA. RI Yamada, Kazuyoshi/C-2728-2009 NR 62 TC 24 Z9 24 U1 1 U2 14 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 1098-0121 J9 PHYS REV B JI Phys. Rev. B PD SEP PY 2007 VL 76 IS 10 AR 104111 DI 10.1103/PhysRevB.76.104111 PG 12 WC Physics, Condensed Matter SC Physics GA 215CQ UT WOS:000249786300030 ER PT J AU Prozorov, R Kogan, VG Vannette, MD Bud'ko, SL Canfield, PC AF Prozorov, R. Kogan, V. G. Vannette, M. D. Bud'ko, S. L. Canfield, P. C. TI Radio-frequency magnetic response of vortex lattices undergoing structural transformations in superconducting borocarbide crystals SO PHYSICAL REVIEW B LA English DT Article ID FLUX-LINE-LATTICE; TRANSITION; TEMPERATURE; YNI2B2C; RESISTIVITY; PENETRATION; ERNI2B2C; FIELD AB We report a clear anomaly in the rf response of tunnel-diode resonator measured in rare earth nickel borocarbide crystals with dc applied magnetic field along the crystallographic c axis. We associate the anomaly in the dynamic magnetic susceptibility chi with a structural transition in the vortex lattice. chi is sensitive to the Campbell penetration depth lambda(C) of the rf perturbation into the mixed state. lambda(C) depends on the vortex lattice elastic moduli, which in turn depend on the vortex lattice structure. Using this technique, we map the high-field transition line for the square-to-rhombic transformation of the vortex lattice and provide a qualitative argument in favor of thermal vortex fluctuations as a major cause driving the transition. C1 Iowa State Univ, Ames Lab, Ames, IA 50011 USA. Iowa State Univ, Dept Phys & Astron, Ames, IA 50011 USA. RP Prozorov, R (reprint author), Iowa State Univ, Ames Lab, Ames, IA 50011 USA. EM prozorov@ameslab.gov RI Prozorov, Ruslan/A-2487-2008; Canfield, Paul/H-2698-2014 OI Prozorov, Ruslan/0000-0002-8088-6096; NR 34 TC 1 Z9 1 U1 0 U2 4 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 1098-0121 J9 PHYS REV B JI Phys. Rev. B PD SEP PY 2007 VL 76 IS 9 AR 094520 DI 10.1103/PhysRevB.76.094520 PG 6 WC Physics, Condensed Matter SC Physics GA 215CO UT WOS:000249786100090 ER PT J AU Reichhardt, C Reichhardt, CJO AF Reichhardt, C. Reichhardt, C. J. Olson TI Commensurability effects at nonmatching fields for vortices in diluted periodic pinning arrays SO PHYSICAL REVIEW B LA English DT Article ID VORTEX LATTICES; SUPERCONDUCTING FILMS; DYNAMIC PHASES; TRANSITION; DEFECTS AB Using numerical simulations, we demonstrate that superconductors containing periodic pinning arrays, which have been diluted through random removal of a fraction of the pins, have pronounced commensurability effects at the same magnetic field strength as undiluted pinning arrays. The commensuration can occur at fields significantly higher than the matching field, produces much greater critical current enhancement than a random pinning arrangement due to suppression of vortex channeling, and persists for arrays with up to 90% dilution. These results suggest that diluted periodic pinning arrays may be a promising geometry to increase the critical current in superconductors over a wide magnetic field range. RP Reichhardt, C (reprint author), Los Alamos Natl Lab, Theroet Div, POB 1663, Los Alamos, NM 87545 USA. OI Reichhardt, Cynthia/0000-0002-3487-5089 NR 40 TC 26 Z9 26 U1 0 U2 0 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 2469-9950 EI 2469-9969 J9 PHYS REV B JI Phys. Rev. B PD SEP PY 2007 VL 76 IS 9 AR 094512 DI 10.1103/PhysRevB.76.094512 PG 6 WC Physics, Condensed Matter SC Physics GA 215CO UT WOS:000249786100082 ER PT J AU Rupasov, VI Klimov, VI AF Rupasov, Valery I. Klimov, Victor I. TI Carrier multiplication in semiconductor nanocrystals via intraband optical transitions involving virtual biexciton states SO PHYSICAL REVIEW B LA English DT Article ID PBSE QUANTUM DOTS; GENERATION; IONIZATION; EFFICIENCY; EXCITONS; ENERGIES AB We propose and analyze a physical mechanism for photogeneration of multiexcitons by single photons (carrier multiplication) in semiconductor nanocrystals, which involves intraband optical transitions within the manifold of biexciton states. In this mechanism, a virtual biexciton is generated from nanocrystal vacuum by the Coulomb interaction between two valence-band electrons, which results in their transfer to the conduction band. The virtual biexciton is then converted into a real, energy-conserving biexciton by photon absorption on an intraband optical transition. The proposed mechanism is inactive in bulk semiconductors as momentum conservation suppresses intraband transitions. However, it becomes highly efficient in the case of zero-dimensional nanocrystals, where quantum confinement results in relaxation of momentum conservation, which is accompanied by the development of strong intraband absorption. Our calculations show that the efficiency of the carrier multiplication channel mediated by intraband optical transitions can be comparable to or even greater than that for impact-ionization-like processes mediated by interband transitions. C1 ALTAIR Ctr LLC, Shrewsbury, MA 01545 USA. LD Landau Theoret Phys Inst, Moscow 117940, Russia. Los Alamos Natl Lab, Div Chem, Los Alamos, NM 87545 USA. RP Rupasov, VI (reprint author), ALTAIR Ctr LLC, Shrewsbury, MA 01545 USA. EM valery_rupasov@hotmail.com; klimov@lanl.gov OI Klimov, Victor/0000-0003-1158-3179 NR 15 TC 52 Z9 53 U1 0 U2 23 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 1098-0121 J9 PHYS REV B JI Phys. Rev. B PD SEP PY 2007 VL 76 IS 12 AR 125321 DI 10.1103/PhysRevB.76.125321 PG 6 WC Physics, Condensed Matter SC Physics GA 215CS UT WOS:000249786500058 ER PT J AU Shah, N Lopatin, A AF Shah, Nayana Lopatin, Andrei TI Microscopic analysis of the superconducting quantum critical point: Finite-temperature crossovers in transport near a pair-breaking quantum phase transition SO PHYSICAL REVIEW B LA English DT Article ID STRONG MAGNETIC-FIELD; INSULATOR TRANSITION; FILMS; ULTRATHIN; MAGNETORESISTANCE; FLUCTUATIONS; SUPPRESSION; SYSTEMS; ALLOYS; METALS AB A microscopic analysis of the superconducting quantum critical point realized via a pair-breaking quantum phase transition is presented. Finite-temperature crossovers are derived for the electrical conductivity, which is a key probe of superconducting fluctuations. By using the diagrammatic formalism for disordered systems, we are able to incorporate the interplay between fluctuating Cooper pairs and electrons, that is outside the scope of a time-dependent Ginzburg-Landau or effective bosonic action formalism. It is essential to go beyond the standard approximation in order to capture the zero-temperature correction which results purely from the (dynamic) quantum fluctuations and dictates the behavior of the conductivity in an entire low-temperature quantum regime. All dynamic contributions are of the same order and conspire to add up to a negative total, thereby inhibiting the conductivity as a result of superconducting fluctuations. On the contrary, the classical and the intermediate regimes are dominated by the positive bosonic channel. Our theory is applicable in one, two, and three dimensions and is relevant for experiments on superconducting nanowires, doubly connected cylinders, thin films, and bulk in the presence of magnetic impurities, magnetic field, or other pair breakers. A window of nonmonotonic behavior is predicted to exist as either the temperature or the pair-breaking parameter is swept. C1 Univ Illinois, Dept Phys, Urbana, IL 61801 USA. Argonne Natl Lab, Mat Sci Div, Argonne, IL 60439 USA. NR 41 TC 28 Z9 28 U1 0 U2 3 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 1098-0121 J9 PHYS REV B JI Phys. Rev. B PD SEP PY 2007 VL 76 IS 9 AR 094511 DI 10.1103/PhysRevB.76.094511 PG 19 WC Physics, Condensed Matter SC Physics GA 215CO UT WOS:000249786100081 ER PT J AU Svane, A Petit, L Szotek, Z Temmerman, WM AF Svane, A. Petit, L. Szotek, Z. Temmerman, W. M. TI Self-interaction-corrected local spin density theory of 5f electron localization in actinides SO PHYSICAL REVIEW B LA English DT Article ID MEAN-FIELD THEORY; DELTA-PU; PHOTOELECTRON-SPECTROSCOPY; CRYSTAL-STRUCTURES; LIGHT ACTINIDES; PLUTONIUM; PRESSURE; METALS; DELOCALIZATION; APPROXIMATION AB The electronic structures of the actinide elements U, Np, Pu, Am, Cm, and Bk are investigated within the self-interaction-corrected local spin density approximation. This method allows us to describe a dual character of the 5f electrons, some of which occupy localized and corelike states, while the remaining 5f electrons hybridize and form bands. Based on energetics, the calculations predict delocalization and/or paramagnetism in the early actinides and localization and/or antiferromagnetism in the later actinides. The corresponding calculated equilibrium volumes are in agreement with the experimental values. For Pu and Am, the method wrongly predicts magnetic ordering, but we find that the paramagnetic state gives a better description of cohesive properties. Under compression, in the later actinides, a localization-delocalization transition happens gradually as more and more f electrons become bandlike with decreasing volume. Pu is already at this transition point at ambient conditions. Delocalization sets in for Am and Bk at a compression of V similar to 0.75V(0), for Cm at V similar to 0.60V(0), where V-0 is the equilibrium volume, and the transition is complete for V similar to(0.4-0.5)V-0 in these three elements. C1 Univ Aarhus, Dept Phys & Astron, DK-8000 Aarhus C, Denmark. Oak Ridge Natl Lab, Comp Sci & Math Div, Oak Ridge, TN 37831 USA. Oak Ridge Natl Lab, Ctr Nanophase Mat Sci, Oak Ridge, TN 37831 USA. Daresbury Lab, Warrington 37831, Cheshire, England. RP Svane, A (reprint author), Univ Aarhus, Dept Phys & Astron, DK-8000 Aarhus C, Denmark. RI Petit, Leon/B-5255-2008; OI Petit, Leon/0000-0001-6489-9922 NR 71 TC 30 Z9 30 U1 1 U2 12 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 1098-0121 J9 PHYS REV B JI Phys. Rev. B PD SEP PY 2007 VL 76 IS 11 AR 115116 DI 10.1103/PhysRevB.76.115116 PG 11 WC Physics, Condensed Matter SC Physics GA 215CR UT WOS:000249786400035 ER PT J AU Voigt, J Persson, J Kim, JW Bihlmayer, G Bruckel, T AF Voigt, J. Persson, J. Kim, J. W. Bihlmayer, G. Brueckel, Th. TI Strong coupling between the spin polarization of Mn and Tb in multiferroic TbMnO3 determined by x-ray resonance exchange scattering SO PHYSICAL REVIEW B LA English DT Article ID MAGNETIC SCATTERING; DEPENDENCE AB We report on an x-ray resonance exchange scattering (XRES) study of multiferroic TbMnO3. Magnetic scattering is observed close to the Mn K edge and the Tb L-III and L-II edges. Surprisingly, Tb shows XRES also in the paraelectric phase, where neutron diffraction results suggested the 4f moments to be disordered. The temperature dependence of the XRES intensities shows a distinct kink close to the ferroelectric transition temperature T-C for all absorption edges. We were able to model the temperature dependence for all edges, assuming a strong coupling of Mn and Tb magnetism via the spin polarized 5d conduction band. We argue that the hybridization between Mn and Tb states is a prerequisite for the multiferroic effect in this material. C1 Forschungszentrum Julich, Inst Festkorperforsch, D-52425 Julich, Germany. US DOE, Ames Lab, Ames, IA 50011 USA. RP Voigt, J (reprint author), Forschungszentrum Julich, Inst Festkorperforsch, Postfach 1913, D-52425 Julich, Germany. RI Bihlmayer, Gustav/G-5279-2013; Bruckel, Thomas/J-2968-2013 OI Bihlmayer, Gustav/0000-0002-6615-1122; Bruckel, Thomas/0000-0003-1378-0416 NR 21 TC 24 Z9 24 U1 2 U2 10 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 1098-0121 J9 PHYS REV B JI Phys. Rev. B PD SEP PY 2007 VL 76 IS 10 AR 104431 DI 10.1103/PhysRevB.76.104431 PG 5 WC Physics, Condensed Matter SC Physics GA 215CQ UT WOS:000249786300076 ER PT J AU Wang, F Vishwanath, A Kim, YB AF Wang, Fa Vishwanath, Ashvin Kim, Yong Baek TI Quantum and classical spins on the spatially distorted kagome lattice: Applications to volborthite Cu3V2O7(OH)(2)center dot 2H(2)O SO PHYSICAL REVIEW B LA English DT Article ID ANTIFERROMAGNET; DISORDER; ORDER; MULTIFERROICS; DIMENSIONS AB In volborthite, spin-1/2 moments form a distorted kagome lattice of corner sharing isosceles triangles with exchange constants J on two bonds and J(') on the third bond. We study the properties of such spin systems and show that despite the distortion, the lattice retains a great deal of frustration. Although subextensive, the classical ground state degeneracy remains very large, growing exponentially with the system perimeter. We consider degeneracy lifting by thermal and quantum fluctuations. To linear (spin wave) order, the degeneracy is found to stay intact. Two complementary approaches are therefore introduced, appropriate to low and high temperatures, which point to the same ordered pattern for J' > J. In the low-temperature limit, an effective chirality Hamiltonian is derived from nonlinear spin waves, which predicts a transition on increasing J'/J from root 3 x root 3-type order to a ferrimagnetic chirality stripe order with a doubled unit cell. This is confirmed by a large-n approximation on the O(n) model on this lattice. While the saddle point solution produces a line degeneracy, O(1/n) corrections select the nontrivial wave vector of the striped chirality state. The quantum limit of spin 1/2 on this lattice is studied via exact small system diagonalization and compares well with experimental results at intermediate temperatures. We suggest that the very-low-temperature spin frozen state seen in NMR experiments may be related to the disconnected nature of classical ground states on this lattice, which leads to a prediction for NMR line shapes. C1 Lawrence Berkeley Labs, Div Mat Sci, Berkeley, CA 94720 USA. Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA. Univ Toronto, Dept Phys, Toronto, ON M5S 1A7, Canada. Univ Calif Santa Barbara, Kavli Inst Theoret Phys, Santa Barbara, CA 93106 USA. RP Wang, F (reprint author), Lawrence Berkeley Labs, Div Mat Sci, Berkeley, CA 94720 USA. RI Wang, Fa/D-3817-2015 OI Wang, Fa/0000-0002-6220-5349 NR 40 TC 28 Z9 28 U1 0 U2 8 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 SEP PY 2007 VL 76 IS 9 AR 094421 DI 10.1103/PhysRevB.76.094421 PG 15 WC Physics, Condensed Matter SC Physics GA 215CO UT WOS:000249786100067 ER PT J AU Xu, B Zhang, WF Liu, XY Ye, JH Zhang, WH Shi, L Wan, XG Yin, J Liu, ZG AF Xu, B. Zhang, W. F. Liu, X.-Y. Ye, J. H. Zhang, W. H. Shi, L. Wan, X. G. Yin, J. Liu, Z. G. TI Photophysical properties and electronic structures of the perovskite photocatalysts Ba3NiM2O9 (M=Nb,Ta) SO PHYSICAL REVIEW B LA English DT Article AB The photocatalysts Ba3NiNb2O9 and Ba3NiTa2O9 with the triple perovskite crystal structure were synthesized by using solid-state-reaction method. They were characterized by x-ray diffraction and UV-visible reflectance spectroscopy. Both of the photocatalysts absorb UV and visible light photons obviously, which can be attributed to their special crystal and electronic structures. The valence band of Ba3NiNb2O9 was determined by ultraviolet photoelectron spectroscopy. Capacitance-voltage (C-V) measurements of Ba3NiNb2O9 film as deposited by using a pulsed laser deposition technique suggested that the lower conduction band should be composed of the Ni e(g) states. The band structures were proposed through the theoretical calculation of the electronic structures by using density functional theory with the local spin-density approximation. The hybridized O 2p and Ni t(2g) states in the photocatalysts Ba3NiNb2O9 and Ba3NiTa2O9 act as the new valence band instead of the O 2p orbital, and the Ni e(g) states act as the lower conduction band in Ba3NiNb2O9 and Ba3NiTa2O9. C1 Nanjing Univ, Natl Lab Solid State Microstruct, Nanjing 210093, Peoples R China. Henan Univ, Dept Phys, Kaifeng 475001, Peoples R China. Iowa State Univ, Ames Lab, Ames, IA 50011 USA. NIMS, Photocatalyt Mat Ctr, Tsukuba, Ibaraki 3050047, Japan. Natl Synchrotron Radiat Lab, Hefei 230029, Peoples R China. RP Yin, J (reprint author), Nanjing Univ, Natl Lab Solid State Microstruct, Nanjing 210093, Peoples R China. EM jyin@nju.edu.cn RI Shi, Lei/A-2096-2010; xu, hua/L-8643-2013; YE, Jinhua/H-2755-2011 OI YE, Jinhua/0000-0002-8105-8903 NR 0 TC 9 Z9 9 U1 2 U2 27 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 1098-0121 J9 PHYS REV B JI Phys. Rev. B PD SEP PY 2007 VL 76 IS 12 AR 125109 DI 10.1103/PhysRevB.76.125109 PG 6 WC Physics, Condensed Matter SC Physics GA 215CS UT WOS:000249786500018 ER PT J AU Xu, C Moore, JE AF Xu, Cenke Moore, Joel E. TI Global phase diagram for the spin-1 antiferromagnet with uniaxial anisotropy on the kagome lattice SO PHYSICAL REVIEW B LA English DT Article ID PREROUGHENING TRANSITIONS; GROUND-STATES; INTEGER-SPIN; MODEL; SURFACES AB The phase diagram of the XXZ spin-1 quantum magnet on the kagome lattice is studied for all cases where the z-component nearest-neighbor spin interaction J(z) is antiferromagnetic. Besides J(z) and the nearest-neighbor in-plane spin interaction J(xy), the system is also parametrized by an on-site anisotropic term D(S-z)(2). In the zero magnetic field case, the six previously introduced phases, found using various methods, are the nondegenerate gapped photon phase, which breaks no space symmetry or spin symmetry; the sixfold degenerate phase with plaquette order, which breaks both time-reversal symmetry and translational symmetry; the "superfluid" (ferromagnetic) phase with an in-plane global U(1) symmetry broken when J(xy)< 0; the root 3 x root 3 order when J(xy)>0; the nematic phase when D < 0 and large; and a phase with resonating dimers on each hexagon. We obtain all of these phases and partial information about their quantum phase transitions in a single framework by studying condensation of defects in the sixfold plaquette phases. The transition between nematic phase and the sixfold degenerate plaquette phase is potentially an unconventional second-order critical point. In the case of a nonzero magnetic field along z, another ordered phase with translation symmetry broken is opened up in the nematic phase. Due to the breaking of time-reversal symmetry by the field, a supersolid phase emerges between the sixfold plaquette order and the superfluid phase. This phase diagram might be accessible in nickel compounds, organic compound m-MPYNN center dot BF4, or optical lattices of atoms with three degenerate states on every site. C1 Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA. Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA. Lawrence Berkeley Natl Lab, Div Mat Sci, Berkeley, CA 94720 USA. RP Xu, C (reprint author), Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA. RI Moore, Joel/O-4959-2016 OI Moore, Joel/0000-0002-4294-5761 NR 47 TC 10 Z9 10 U1 2 U2 5 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 1098-0121 J9 PHYS REV B JI Phys. Rev. B PD SEP PY 2007 VL 76 IS 10 AR 104427 DI 10.1103/PhysRevB.76.104427 PG 17 WC Physics, Condensed Matter SC Physics GA 215CQ UT WOS:000249786300072 ER PT J AU Yan, HF Maser, J Macrander, A Shen, Q Vogt, S Stephenson, GB Kang, HC AF Yan, Hanfei Maser, Jorg Macrander, Albert Shen, Qun Vogt, Stefan Stephenson, G. Brian Kang, Hyon Chol TI Takagi-Taupin description of x-ray dynamical diffraction from diffractive optics with large numerical aperture SO PHYSICAL REVIEW B LA English DT Article ID ZONE PLATES; 50 NM; EFFICIENCY; LENSES AB We present a formalism of x-ray dynamical diffraction from volume diffractive optics with large numerical aperture and high aspect ratio, in an analogy to the Takagi-Taupin equations [Acta Crystallogr. 15, 1311 (1962); Bull. Soc. Fr. Mineral. Crystallogr. 87, 469 (1964)] for strained single crystals. We derive a set of basic equations for dynamical diffraction from volume diffractive optics, which enable us to study the focusing property of these optics with various grating profiles. We study volume diffractive optics that satisfy the Bragg condition to various degrees, namely, flat, tilted, and wedged geometries, and derive the curved geometries required for ultimate focusing. We show that the curved geometries satisfy both the Bragg condition everywhere and phase requirement for point focusing and effectively focus hard x rays to a scale close to the wavelength. Our calculations were made for an x-ray wavelength of 0.064 nm (19.5 keV). C1 Argonne Natl Lab, Ctr Nanoscale Mat, Argonne, IL 60439 USA. Argonne Natl Lab, X Ray Sci Div, Argonne, IL 60439 USA. Argonne Natl Lab, Mat Sci Div, Argonne, IL 60439 USA. Gwanju Inst Sci & Technol, Adv Photon Res Inst, Gwanju 500712, South Korea. RP Yan, HF (reprint author), Argonne Natl Lab, Ctr Nanoscale Mat, 9700 S Cass Ave, Argonne, IL 60439 USA. EM hanfei@aps.anl.gov RI Maser, Jorg/K-6817-2013; Yan, Hanfei/F-7993-2011; Vogt, Stefan/B-9547-2009; Vogt, Stefan/J-7937-2013 OI Yan, Hanfei/0000-0001-6824-0367; Vogt, Stefan/0000-0002-8034-5513; Vogt, Stefan/0000-0002-8034-5513 NR 32 TC 72 Z9 73 U1 1 U2 14 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 1098-0121 J9 PHYS REV B JI Phys. Rev. B PD SEP PY 2007 VL 76 IS 11 AR 115438 DI 10.1103/PhysRevB.76.115438 PG 13 WC Physics, Condensed Matter SC Physics GA 215CR UT WOS:000249786400129 ER PT J AU Yang, HL Sun, Q Zhang, ZY Jia, Y AF Yang, Haili Sun, Qiang Zhang, Zhenyu Jia, Yu TI Upward self-diffusion of adatoms and small clusters on facets of fcc metal (110) surfaces SO PHYSICAL REVIEW B LA English DT Article ID MOLECULAR-DYNAMICS; CRYSTAL-GROWTH; CU SURFACES; DISSOCIATION; MECHANISM; AL(111); PT(001); MODELS; ATOM; AL AB We study upward self-diffusion of adatoms and small clusters on faceted huts formed in fcc metal (110) homoepitaxy using molecular dynamics simulations with interatomic potentials described by the embedded-atom method. Our results show that both individual adatoms and small clusters on the (111)-sloped and (100)-sloped facets of the huts on Al and Cu(110) can readily diffuse upward and cross the convex edges of the huts, but with different atomistic mechanisms. An adatom crosses the convex edges via a simple concerted exchange or indirect place exchange mechanism. In contrast, the upward diffusion and convex-edge crossing of small clusters is realized by their dissociation at or near the edges of the hut after one or two atoms belonging to the cluster are incorporated into the edges. The present simulation studies reveal that there truly exists efficient upward mass transport on faceted islands in fcc metal (110) homoepitaxy, and such upward diffusion processes are expected to play an important role in defining the kinetic faceting instability in these growth systems. C1 Zhengzhou Univ, Sch Phys & Engn, Zhengzhou 450001, Peoples R China. Oak Ridge Natl Lab, Div Mat Sci & Technol, Oak Ridge, TN 37831 USA. Univ Tennessee, Dept Phys & Astron, Knoxville, TN 37996 USA. RP Yang, HL (reprint author), Zhengzhou Univ, Sch Phys & Engn, Zhengzhou 450001, Peoples R China. NR 40 TC 19 Z9 20 U1 2 U2 8 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 1098-0121 J9 PHYS REV B JI Phys. Rev. B PD SEP PY 2007 VL 76 IS 11 AR 115417 DI 10.1103/PhysRevB.76.115417 PG 7 WC Physics, Condensed Matter SC Physics GA 215CR UT WOS:000249786400108 ER PT J AU Zhao, SJ Germann, TC Strachan, A AF Zhao, Shijin Germann, Timothy C. Strachan, Alejandro TI Melting and alloying of Ni/Al nanolaminates induced by shock loading: A molecular dynamics simulation study SO PHYSICAL REVIEW B LA English DT Article ID WAVES AB We demonstrate that shock-induced melting can play a key role in accelerating the initiation and propagation of self-sustained exothermic alloying reactions in nanostructured Ni/Al nanolaminates. Following a pronounced increase of the local pressure upon melting, due to structural expansion, enhanced material diffusion and intermixing around the molten regions accelerate self-sustained alloying reactions, leading to a pressure decrease. This competition between melting and alloying reactions leads to an oscillatory overall pressure as the melting and alloy formation fronts propagate. C1 Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA. Los Alamos Natl Lab, Div Appl Phys, Los Alamos, NM 87545 USA. Purdue Univ, Sch Mat Engn, W Lafayette, IN 47907 USA. RP Zhao, SJ (reprint author), Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA. OI Germann, Timothy/0000-0002-6813-238X NR 16 TC 31 Z9 31 U1 1 U2 18 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 1098-0121 J9 PHYS REV B JI Phys. Rev. B PD SEP PY 2007 VL 76 IS 10 AR 104105 DI 10.1103/PhysRevB.76.104105 PG 5 WC Physics, Condensed Matter SC Physics GA 215CQ UT WOS:000249786300024 ER PT J AU Zhou, ZX Jin, RY Eres, G Mandrus, D Barzykin, V Schlottmann, P Hor, YS Xiao, ZL Mitchell, JF AF Zhou, Zhixian Jin, Rongying Eres, Gyula Mandrus, David Barzykin, Victor Schlottmann, Pedro Hor, Yew-San Xiao, Zhili Mitchell, John F. TI Resistance and current-voltage characteristics of individual superconducting NbSe2 nanowires SO PHYSICAL REVIEW B LA English DT Article ID CHARGE-DENSITY WAVES; ONE-DIMENSIONAL SUPERCONDUCTORS; CRITICAL-TEMPERATURE; WEAK LINKS; 2H-NBSE2; BEHAVIOR; PB; YBA2CU3O7-DELTA; MICROBRIDGES; WIRES AB Resistance and current-voltage characteristics of individual superconducting NbSe2 nanowires are investigated. In the current-voltage curves, a stairlike structure is observed, indicating the possible formation of phase-slip centers. A close examination of the current-voltage characteristic in a selected high quality NbSe2 nanowire with a diameter of 75 nm reveals that the characteristic voltages in the stairlike structure follow the BCS-like temperature dependence of superconducting gaps vanishing at T-C. While the phase-slip center mechanism remains to be a plausible explanation of the observed features, an alternative model involving multigap Josephson tunneling is proposed to account for the BCS-like temperature dependence. From the BCS fits, two distinct superconducting gaps are extracted. Moreover, the critical current of the 75 nm nanowire at low temperatures as well as near T-C can also be described by the Ambegaokar-Baratoff relation for multigap Josephson junctions. Our data suggest the possible observation of multiband superconductivity in NbSe2 and are in good agreement with the predictions of recent band structure and Fermi surface calculations on NbSe2. C1 Oak Ridge Natl Lab, Mat Sci & Technol Div, Oak Ridge, TN 37831 USA. Univ Tennessee, Dept Phys & Astron, Knoxville, TN 37996 USA. Florida State Univ, Dept Phys, Tallahassee, FL 32306 USA. Argonne Natl Lab, Div Mat Sci, Argonne, IL 60439 USA. No Illinois Univ, Dept Phys, De Kalb, IL 60115 USA. RP Zhou, ZX (reprint author), Oak Ridge Natl Lab, Mat Sci & Technol Div, Oak Ridge, TN 37831 USA. EM zhouz@ornl.gov RI Schlottmann, Pedro/G-1579-2013; Mandrus, David/H-3090-2014; Eres, Gyula/C-4656-2017 OI Eres, Gyula/0000-0003-2690-5214 NR 41 TC 5 Z9 6 U1 2 U2 22 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 1098-0121 J9 PHYS REV B JI Phys. Rev. B PD SEP PY 2007 VL 76 IS 10 AR 104511 DI 10.1103/PhysRevB.76.104511 PG 6 WC Physics, Condensed Matter SC Physics GA 215CQ UT WOS:000249786300094 ER PT J AU Adler, SS Afanasiev, S Aidala, C Ajitanand, NN Akiba, Y Alexander, J Amirikas, R Aphecetche, L Aronson, SH Averbeck, R Awes, TC Azmoun, R Babinstev, V Baldisseri, A Barish, KN Barnes, PD Bassalleck, B Bathe, S Batsouli, S Baublis, V Bazilevsky, A Belikov, S Berndnikov, Y Bhagavatula, S Boissevain, JG Borel, H Borenstein, S Brooks, ML Brown, DS Bruner, N Bucher, D Buesching, H Bumazhnov, V Bunce, G Burward-Hoy, JM Butsyk, S Camard, X Chai, JS Chand, P Chang, WC Chernichenko, S Chi, CY Chiba, J Chiu, M Choi, IJ Choi, J Choudhury, RK Chujo, T Cianciolo, V Cobigo, Y Cole, BA Constantin, P d'Enterria, D David, G Delagrange, H Denisov, A Deshpande, A Desmond, EJ Devismes, A Dietzsch, O Drapier, O Drees, A Drees, KA du Rietz, R Durum, A Dutta, D Efremenko, YV El Chenawi, K Enokizono, A En'yo, H Esumi, S Ewell, L Fields, DE Fleuret, F Fokin, SL Fox, BD Fraenkel, Z Frantz, JE Franz, A Frawley, AD Fung, SY Garpman, S Ghosh, TK Glenn, A Gogiberidze, G Gonin, M Gosset, J Goto, Y de Cassagnac, RG Grau, N Greene, SV Perdekamp, MG Guryn, W Gustafsson, HA Hachiya, T Haggerty, JS Hamagaki, H Hansen, AG Hartouni, EP Harvey, M Hayano, R Hayashi, N He, X Heffner, M Hemmick, TK Heuser, JM Hibino, M Hill, JC Holzmann, W Homma, K Hong, B Hoover, A Ichihara, T Ikonnikov, VV Imai, K Isenhower, D Ishihara, M Issah, M Isupov, A Jacak, BV Jang, WY Jeong, Y Jia, J Jinnouchi, O Johnson, BM Johnson, SC Joo, KS Jouan, D Kametani, S Kamihara, N Kang, JH Kapoor, SS Katou, K Kelly, S Khachaturov, B Khanzadeev, A Kikuchi, J Kim, DH Kim, DJ Kim, DW Kim, E Kim, GB Kim, HJ Kistenev, E Kiyomichi, A Kiyoyama, K Klein-Boesing, C Kobayashi, H Kochenda, L Kochetkov, V Koehler, D Kohama, T Kopytine, M Kotchetkov, D Kozlov, A Kroon, PJ Kuberg, CH Kurita, K Kuroki, Y Kweon, MJ Kwon, Y Kyle, GS Lacey, R Ladygin, V Lajoie, JG Lebedev, A Leckey, S Lee, DM Lee, S Leitch, MJ Li, XH Lim, H Litvinenko, A Liu, MX Liu, Y Maguire, CF Makdisi, YI Malakhov, A Manko, VI Mao, Y Martinez, G Marx, MD Masui, H Matathias, F Matsumoto, T McGaughey, PL Melnikov, E Messer, F Miake, Y Milan, J Miller, TE Milov, A Mioduszewski, S Mischke, RE Mishra, GC Mitchell, JT Mohanty, AK Morrison, DP Moss, JM Muhlbacher, F Mukhopadhyay, D Muniruzzaman, M Murata, J Nagamiya, S Nagle, JL Nakamura, T Nandi, BK Nara, M Newby, J Nilsson, P Nyanin, AS Nystrand, J O'Brien, E Ogilvie, CA Ohnishi, H Ojha, ID Okada, K Ono, M Onuchin, V Oskarsson, A Otterlund, I Oyama, K Ozawa, K Pal, D Palounek, APT Pantuev, V Papavassiliou, V Park, J Parmar, A Pate, SF Peitzmann, T Peng, JC Peresedov, V Pinkenburg, C Pisani, RP Plasil, F Purschke, ML Purwar, AK Rak, J Ravinovich, I Read, KF Reuter, M Reygers, K Riabov, V Riabov, Y Roche, G Romana, A Rosati, M Rosnet, P Ryu, SS Sadler, ME Saito, N Sakaguchi, T Sakai, M Sakai, S Samsonov, V Sanfratello, L Santo, R Sato, HD Sato, S Sawada, S Schutz, Y Semenov, V Seto, R Shaw, MR Shea, TK Shibata, TA Shigaki, K Shiina, T Silva, CL Silvermyr, D Sim, KS Singh, CP Singh, V Sivertz, M Soldatov, A Soltz, RA Sondheim, WE Sorensen, SP Sourikova, IV Staley, F Stankus, PW Stenlund, E Stepanov, M Ster, A Stoll, SP Sugitate, T Sullivan, JP Takagui, EM Taketani, A Tamai, M Tanaka, KH Tanaka, Y Tanida, K Tannenbaum, MJ Tarjan, P Tepe, JD Thomas, TL Tojo, J Torii, H Towell, RS Tserruya, I Tsuruoka, H Tuli, SK Tydesjo, H Tyurin, N van Hecke, HW Velkovska, J Velkovsky, M Veszpremi, V Villatte, L Vinogradov, AA Volkov, MA Vznuzdaev, E Wang, XR Watanabe, Y White, SN Wohn, FK Woody, CL Xie, W Yang, Y Yanovich, A Yokkaichi, S Young, GR Yushmanov, IE Zajc, WA Zhang, C Zhou, S Zhou, SJ Zolin, L AF Adler, S. S. Afanasiev, S. Aidala, C. Ajitanand, N. N. Akiba, Y. Alexander, J. Amirikas, R. Aphecetche, L. Aronson, S. H. Averbeck, R. Awes, T. C. Azmoun, R. Babinstev, V. Baldisseri, A. Barish, K. N. Barnes, P. D. Bassalleck, B. Bathe, S. Batsouli, S. Baublis, V. Bazilevsky, A. Belikov, S. Berndnikov, Y. Bhagavatula, S. Boissevain, J. G. Borel, H. Borenstein, S. Brooks, M. L. Brown, D. S. Bruner, N. Bucher, D. Buesching, H. Bumazhnov, V. Bunce, G. Burward-Hoy, J. M. Butsyk, S. Camard, X. Chai, J. -S. Chand, P. Chang, W. C. Chernichenko, S. Chi, C. Y. Chiba, J. Chiu, M. Choi, I. J. Choi, J. Choudhury, R. K. Chujo, T. Cianciolo, V. Cobigo, Y. Cole, B. A. Constantin, P. d'Enterria, D. David, G. Delagrange, H. Denisov, A. Deshpande, A. Desmond, E. J. Devismes, A. Dietzsch, O. Drapier, O. Drees, A. Drees, K. A. du Rietz, R. Durum, A. Dutta, D. Efremenko, Y. V. El Chenawi, K. Enokizono, A. En'yo, H. Esumi, S. Ewell, L. Fields, D. E. Fleuret, F. Fokin, S. L. Fox, B. D. Fraenkel, Z. Frantz, J. E. Franz, A. Frawley, A. D. Fung, S. -Y. Garpman, S. Ghosh, T. K. Glenn, A. Gogiberidze, G. Gonin, M. Gosset, J. Goto, Y. de Cassagnac, R. Granier Grau, N. Greene, S. V. Perdekamp, M. Grosse Guryn, W. Gustafsson, H. -A. Hachiya, T. Haggerty, J. S. Hamagaki, H. Hansen, A. G. Hartouni, E. P. Harvey, M. Hayano, R. Hayashi, N. He, X. Heffner, M. Hemmick, T. K. Heuser, J. M. Hibino, M. Hill, J. C. Holzmann, W. Homma, K. Hong, B. Hoover, A. Ichihara, T. Ikonnikov, V. V. Imai, K. Isenhower, D. Ishihara, M. Issah, M. Isupov, A. Jacak, B. V. Jang, W. Y. Jeong, Y. Jia, J. Jinnouchi, O. Johnson, B. M. Johnson, S. C. Joo, K. S. Jouan, D. Kametani, S. Kamihara, N. Kang, J. H. Kapoor, S. S. Katou, K. Kelly, S. Khachaturov, B. Khanzadeev, A. Kikuchi, J. Kim, D. H. Kim, D. J. Kim, D. W. Kim, E. Kim, G. -B. Kim, H. J. Kistenev, E. Kiyomichi, A. Kiyoyama, K. Klein-Boesing, C. Kobayashi, H. Kochenda, L. Kochetkov, V. Koehler, D. Kohama, T. Kopytine, M. Kotchetkov, D. Kozlov, A. Kroon, P. J. Kuberg, C. H. Kurita, K. Kuroki, Y. Kweon, M. J. Kwon, Y. Kyle, G. S. Lacey, R. Ladygin, V. Lajoie, J. G. Lebedev, A. Leckey, S. Lee, D. M. Lee, S. Leitch, M. J. Li, X. H. Lim, H. Litvinenko, A. Liu, M. X. Liu, Y. Maguire, C. F. Makdisi, Y. I. Malakhov, A. Manko, V. I. Mao, Y. Martinez, G. Marx, M. D. Masui, H. Matathias, F. Matsumoto, T. McGaughey, P. L. Melnikov, E. Messer, F. Miake, Y. Milan, J. Miller, T. E. Milov, A. Mioduszewski, S. Mischke, R. E. Mishra, G. C. Mitchell, J. T. Mohanty, A. K. Morrison, D. P. Moss, J. M. Muhlbacher, F. Mukhopadhyay, D. Muniruzzaman, M. Murata, J. Nagamiya, S. Nagle, J. L. Nakamura, T. Nandi, B. K. Nara, M. Newby, J. Nilsson, P. Nyanin, A. S. Nystrand, J. O'Brien, E. Ogilvie, C. A. Ohnishi, H. Ojha, I. D. Okada, K. Ono, M. Onuchin, V. Oskarsson, A. Otterlund, I. Oyama, K. Ozawa, K. Pal, D. Palounek, A. P. T. Pantuev, V. Papavassiliou, V. Park, J. Parmar, A. Pate, S. F. Peitzmann, T. Peng, J. -C. Peresedov, V. Pinkenburg, C. Pisani, R. P. Plasil, F. Purschke, M. L. Purwar, A. K. Rak, J. Ravinovich, I. Read, K. F. Reuter, M. Reygers, K. Riabov, V. Riabov, Y. Roche, G. Romana, A. Rosati, M. Rosnet, P. Ryu, S. S. Sadler, M. E. Saito, N. Sakaguchi, T. Sakai, M. Sakai, S. Samsonov, V. Sanfratello, L. Santo, R. Sato, H. D. Sato, S. Sawada, S. Schutz, Y. Semenov, V. Seto, R. Shaw, M. R. Shea, T. K. Shibata, T. -A. Shigaki, K. Shiina, T. Silva, C. L. Silvermyr, D. Sim, K. S. Singh, C. P. Singh, V. Sivertz, M. Soldatov, A. Soltz, R. A. Sondheim, W. E. Sorensen, S. P. Sourikova, I. V. Staley, F. Stankus, P. W. Stenlund, E. Stepanov, M. Ster, A. Stoll, S. P. Sugitate, T. Sullivan, J. P. Takagui, E. M. Taketani, A. Tamai, M. Tanaka, K. H. Tanaka, Y. Tanida, K. Tannenbaum, M. J. Tarjan, P. Tepe, J. D. Thomas, T. L. Tojo, J. Torii, H. Towell, R. S. Tserruya, I. Tsuruoka, H. Tuli, S. K. Tydesjo, H. Tyurin, N. van Hecke, H. W. Velkovska, J. Velkovsky, M. Veszpremi, V. Villatte, L. Vinogradov, A. A. Volkov, M. A. Vznuzdaev, E. Wang, X. R. Watanabe, Y. White, S. N. Wohn, F. K. Woody, C. L. Xie, W. Yang, Y. Yanovich, A. Yokkaichi, S. Young, G. R. Yushmanov, I. E. Zajc, W. A. Zhang, C. Zhou, S. Zhou, S. J. Zolin, L. CA PHENIX Collaboration TI Detailed study of high-p(T) neutral pion suppression and azimuthal anisotropy in Au plus Au collisions at root s(NN) =200 GeV SO PHYSICAL REVIEW C LA English DT Article ID NUCLEUS-NUCLEUS COLLISIONS; CENTRALITY DEPENDENCE; TRANSVERSE-MOMENTUM; JET TOMOGRAPHY; ENERGY-LOSS; PHENIX; MATTER; ASYMMETRY; PHYSICS; FLOW AB Measurements of neutral pion (pi(0)) production at midrapidity in root s(NN)=200 GeV Au+Au collisions as a function of transverse momentum, p(T), collision centrality, and angle with respect to reaction plane are presented. The data represent the final pi(0) results from the PHENIX experiment for the first RHIC Au+Au run at design center-of-mass energy. They include additional data obtained using the PHENIX Level-2 trigger with more than a factor of 3 increase in statistics over previously published results for p(T)>6 GeV/c. We evaluate the suppression in the yield of high-p(T) pi(0)'s relative to pointlike scaling expectations using the nuclear modification factor R-AA. We present the p(T) dependence of R-AA for nine bins in collision centrality. We separately integrate R-AA over larger p(T) bins to show more precisely the centrality dependence of the high-p(T) suppression. We then evaluate the dependence of the high-p(T) suppression on the emission angle Delta phi of the pions with respect to event reaction plane for seven bins in collision centrality. We show that the yields of high-p(T) pi(0)'s vary strongly with Delta phi, consistent with prior measurements 1,2. We show that this variation persists in the most peripheral bin accessible in this analysis. For the peripheral bins we observe no suppression for neutral pions produced aligned with the reaction plane, whereas the yield of pi(0)'s produced perpendicular to the reaction plane is suppressed by a factor of similar to 2. We analyze the combined centrality and Delta phi dependence of the pi(0) suppression in different p(T) bins using different possible descriptions of parton energy loss dependence on jet path-length averages to determine whether a single geometric picture can explain the observed suppression pattern. C1 Brookhaven Natl Lab, Upton, NY 11973 USA. Abilene Christian Univ, Abilene, TX 79699 USA. Acad Sinica, Inst Phys, Taipei 11529, Taiwan. Banaras Hindu Univ, Dept Phys, Varanasi 221005, Uttar Pradesh, India. Bhabha Atom Res Ctr, Bombay 400085, Maharashtra, India. Univ Calif Riverside, Riverside, CA 92521 USA. CIAE, Beijing, Peoples R China. Univ Tokyo, Grad Sch Sci, Ctr Nucl Study, Tokyo 1130033, Japan. Columbia Univ, New York, NY 10027 USA. Nevis Labs, Irvington, NY 10533 USA. CEA Saclay, Dapnia, F-91191 Gif Sur Yvette, France. Debrecen Univ, H-4010 Debrecen, Hungary. Florida State Univ, Tallahassee, FL 32306 USA. Georgia State Univ, Atlanta, GA 30303 USA. Hiroshima Univ, Higashihiroshima 7398526, Japan. Inst High Energy Phys, Protvino, Russia. Iowa State Univ, Ames, IA 50011 USA. Joint Inst Nucl Res, Dubna 141980, Moscow Region, Russia. KAERI, Cyclotron Applicat Lab, Seoul, South Korea. Kangnung Natl Univ, Kangnung 210702, South Korea. KEK, High Energy Accelerator Res Org, Tsukuba, Ibaraki 3050801, Japan. KFKI Res Inst Particle & Nucl Phys, H-1525 Budapest, Hungary. Korea Univ, Seoul 136701, South Korea. Russian Res Ctr, Kurchatov Inst, Moscow, Russia. Kyoto Univ, Kyoto 6068502, Japan. Ecole Polytech, CNRS, IN2P3, Lab Leprince Ringuet, F-91128 Palaiseau, France. Lawrence Livermore Natl Lab, Livermore, CA 94550 USA. Los Alamos Natl Lab, Los Alamos, NM 87545 USA. Univ Clermont Ferrand, CNRS, IN2P3, LPC, F-63177 Aubiere, France. Lund Univ, Dept Phys, SE-22100 Lund, Sweden. Univ Munster, Inst Kernphys, D-48149 Munster, Germany. Myongji Univ, Yongin 449728, Kyonggido, South Korea. Nagasaki Inst Appl Sci, Nagasaki 8510193, Japan. Univ New Mexico, Albuquerque, NM 87131 USA. New Mexico State Univ, Las Cruces, NM 88003 USA. Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA. Univ Paris 11, Inst Phys Nucl, CNRS, IN2P3, F-91406 Orsay, France. PNPI, Gatchina, Russia. RIKEN, Wako, Saitama 3510198, Japan. Brookhaven Natl Lab, RIKEN, BNL Res Ctr, Upton, NY 11973 USA. St Petersburg State Tech Univ, St Petersburg, Russia. Univ Sao Paulo, Inst Fis, BR-05315970 Sao Paulo, Brazil. Seoul Natl Univ, Syst Elect Lab, Seoul, South Korea. SUNY Stony Brook, Dept Chem, Stony Brook, NY 11794 USA. SUNY Stony Brook, Dept Phys & Astron, Stony Brook, NY 11794 USA. Univ Nantes, CNRS, IN2P3, SUBATECH,Ecole Mines Nantes, F-44307 Nantes, France. Univ Tennessee, Knoxville, TN 37996 USA. Tokyo Inst Technol, Dept Phys, Tokyo 1528551, Japan. Univ Tsukuba, Inst Phys, Tsukuba, Ibaraki 305, Japan. Vanderbilt Univ, Nashville, TN 37235 USA. Waseda Univ, Adv Res Inst Sci & Engn, Shinjuku Ku, Tokyo 1620044, Japan. Weizmann Inst Sci, IL-76100 Rehovot, Israel. Yonsei Univ, IPAP, Seoul 120749, South Korea. RP Adler, SS (reprint author), Brookhaven Natl Lab, Upton, NY 11973 USA. EM zajc@nevis.columbia.edu RI seto, richard/G-8467-2011; Peitzmann, Thomas/K-2206-2012; du Rietz, Rickard/I-3794-2013; En'yo, Hideto/B-2440-2015; Hayano, Ryugo/F-7889-2012; HAMAGAKI, HIDEKI/G-4899-2014; Durum, Artur/C-3027-2014; Sorensen, Soren /K-1195-2016; Yokkaichi, Satoshi/C-6215-2017; Taketani, Atsushi/E-1803-2017; Semenov, Vitaliy/E-9584-2017 OI Peitzmann, Thomas/0000-0002-7116-899X; du Rietz, Rickard/0000-0002-9884-9058; Hayano, Ryugo/0000-0002-1214-7806; Sorensen, Soren /0000-0002-5595-5643; Taketani, Atsushi/0000-0002-4776-2315; NR 59 TC 77 Z9 78 U1 6 U2 9 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 2469-9985 EI 2469-9993 J9 PHYS REV C JI Phys. Rev. C PD SEP PY 2007 VL 76 IS 3 AR 034904 DI 10.1103/PhysRevC.76.034904 PG 26 WC Physics, Nuclear SC Physics GA 215CT UT WOS:000249786600047 ER PT J AU Adler, SS Afanasiev, S Aidala, C Ajitanand, NN Akiba, Y Alexander, J Amirikas, R Aphecetche, L Aronson, SH Averbeck, R Awes, TC Azmoun, R Babintsev, V Baldisseri, A Barish, KN Barnes, PD Bassalleck, B Bathe, S Batsouli, S Baublis, V Bazilevsky, A Belikov, S Berdnikov, Y Bhagavatula, S Boissevain, JG Borel, H Borenstein, S Brooks, ML Brown, DS Bruner, N Bucher, D Buesching, H Bumazhnov, V Bunce, G Burward-Hoy, JM Butsyk, S Camard, X Chai, JS Chand, P Chang, WC Chernichenko, S Chi, CY Chiba, J Chiu, M Choi, IJ Choi, J Choudhury, RK Chujo, T Cianciolo, V Cobigo, Y Cole, BA Constantin, P d'Enterria, D David, G Delagrange, H Denisov, A Deshpande, A Desmond, EJ Devismes, A Dietzsch, O Drapier, O Drees, A Drees, KA Durum, A Dutta, D Efremenko, YV El Chenawi, K Enokizono, A En'yo, H Esumi, S Ewell, L Fields, DE Fleuret, F Fokin, SL Fox, BD Fraenkel, Z Frantz, JE Franz, A Frawley, AD Fung, SY Garpman, S Ghosh, TK Glenn, A Gogiberidze, G Gonin, M Gosset, J Goto, Y de Cassagnac, RG Grau, N Greene, SV Perdekamp, MG Guryn, W Gustafsson, HA Hachiya, T Haggerty, JS Hamagaki, H Hansen, AG Hartouni, EP Harvey, M Hayano, R Hayashi, N He, X van Hecke, HW Heffner, M Hemmick, TK Heuser, JM Hibino, M Hill, JC Holzmann, W Homma, K Hong, B Hoover, A Ichihara, T Ikonnikov, VV Imai, K Isenhower, D Ishihara, M Issah, M Isupov, A Jacak, BV Jang, WY Jeong, Y Jia, J Jinnouchi, O Johnson, BM Johnson, SC Joo, KS Jouan, D Kametani, S Kamihara, N Kang, JH Kapoor, SS Katou, K Kelly, S Khachaturov, B Khanzadeev, A Kikuchi, J Kim, DH Kim, DJ Kim, DW Kim, E Kim, GB Kim, HJ Kistenev, E Kiyomichi, A Kiyoyama, K Klein-Boesing, C Kobayashi, H Kochenda, L Kochetkov, V Koehler, D Kohama, T Kopytine, M Kotchetkov, D Kozlov, A Kroon, PJ Kuberg, CH Kurita, K Kuroki, Y Kweon, MJ Kwon, Y Kyle, GS Lacey, R Ladygin, V Lajoie, JG Lebedev, A Leckey, S Lee, DM Lee, S Leitch, MJ Li, XH Lim, H Litvinenko, A Liu, MX Liu, Y Maguire, CF Makdisi, YI Malakhov, A Manko, VI Mao, Y Martinez, G Marx, MD Masui, H Matathias, F Matsumoto, T McGaughey, PL Melnikov, E Messer, F Miake, Y Milan, J Miller, TE Milov, A Mioduszewski, S Mischke, RE Mishra, GC Mitchell, JT Mohanty, AK Morrison, DP Moss, JM Muhlbacher, F Mukhopadhyay, D Muniruzzaman, M Murata, J Nagamiya, S Nagle, JL Nakamura, T Nandi, BK Nara, M Newby, J Nilsson, P Nyanin, AS Nystrand, J O'Brien, E Ogilvie, CA Ohnishi, H Ojha, ID Okada, K Ono, M Onuchin, V Oskarsson, A Otterlund, I Oyama, K Ozawa, K Pal, D Palounek, APT Pantuev, V Papavassiliou, V Park, J Parmar, A Pate, SF Peitzmann, T Peng, JC Peresedov, V Pinkenburg, C Pisani, RP Plasil, F Purschke, ML Purwar, AK Rak, J Ravinovich, I Read, KF Reuter, M Reygers, K Riabov, V Riabov, Y du Rietz, R Roche, G Romana, A Rosati, M Rosnet, P Ryu, SS Sadler, ME Saito, N Sakaguchi, T Sakai, M Sakai, S Samsonov, V Sanfratello, L Santo, R Sato, HD Sato, S Sawada, S Schutz, Y Semenov, V Seto, R Shaw, MR Shea, TK Shibata, TA Shigaki, K Shiina, T Silva, CL Silvermyr, D Sim, KS Singh, CP Singh, V Sivertz, M Soldatov, A Soltz, RA Sondheim, WE Sorensen, SP Sourikova, IV Staley, F Stankus, PW Stenlund, E Stepanov, M Ster, A Stoll, SP Sugitate, T Sullivan, JP Takagui, EM Taketani, A Tamai, M Tanaka, KH Tanaka, Y Tanida, K Tannenbaum, MJ Tarjan, P Tepe, JD Thomas, TL Toia, A Tojo, J Torii, H Towell, RS Tserruya, I Tsuruoka, H Tuli, SK Tydesjo, H Tyurin, N Velkovska, J Velkovsky, M Veszpremi, V Villatte, L Vinogradov, AA Volkov, MA Vznuzdaev, E Wang, XR Watanabe, Y White, SN Wohn, FK Woody, CL Xie, W Yang, Y Yanovich, A Yokkaichi, S Young, GR Yushmanov, IE Zajc, WA Zhang, C Zhou, S Zhou, J Zolin, L AF Adler, S. S. Afanasiev, S. Aidala, C. Ajitanand, N. N. Akiba, Y. Alexander, J. Amirikas, R. Aphecetche, L. Aronson, S. H. Averbeck, R. Awes, T. C. Azmoun, R. Babintsev, V. Baldisseri, A. Barish, K. N. Barnes, P. D. Bassalleck, B. Bathe, S. Batsouli, S. Baublis, V. Bazilevsky, A. Belikov, S. Berdnikov, Y. Bhagavatula, S. Boissevain, J. G. Borel, H. Borenstein, S. Brooks, M. L. Brown, D. S. Bruner, N. Bucher, D. Buesching, H. Bumazhnov, V. Bunce, G. Burward-Hoy, J. M. Butsyk, S. Camard, X. Chai, J. -S. Chand, P. Chang, W. C. Chernichenko, S. Chi, C. Y. Chiba, J. Chiu, M. Choi, I. J. Choi, J. Choudhury, R. K. Chujo, T. Cianciolo, V. Cobigo, Y. Cole, B. A. Constantin, P. d'Enterria, D. David, G. Delagrange, H. Denisov, A. Deshpande, A. Desmond, E. J. Devismes, A. Dietzsch, O. Drapier, O. Drees, A. Drees, K. A. Durum, A. Dutta, D. Efremenko, Y. V. El Chenawi, K. Enokizono, A. En'yo, H. Esumi, S. Ewell, L. Fields, D. E. Fleuret, F. Fokin, S. L. Fox, B. D. Fraenkel, Z. Frantz, J. E. Franz, A. Frawley, A. D. Fung, S. -Y. Garpman, S. Ghosh, T. K. Glenn, A. Gogiberidze, G. Gonin, M. Gosset, J. Goto, Y. de Cassagnac, R. Granier Grau, N. Greene, S. V. Perdekamp, M. Grosse Guryn, W. Gustafsson, H. -A. Hachiya, T. Haggerty, J. S. Hamagaki, H. Hansen, A. G. Hartouni, E. P. Harvey, M. Hayano, R. Hayashi, N. He, X. van Hecke, H. W. Heffner, M. Hemmick, T. K. Heuser, J. M. Hibino, M. Hill, J. C. Holzmann, W. Homma, K. Hong, B. Hoover, A. Ichihara, T. Ikonnikov, V. V. Imai, K. Isenhower, D. Ishihara, M. Issah, M. Isupov, A. Jacak, B. V. Jang, W. Y. Jeong, Y. Jia, J. Jinnouchi, O. Johnson, B. M. Johnson, S. C. Joo, K. S. Jouan, D. Kametani, S. Kamihara, N. Kang, J. H. Kapoor, S. S. Katou, K. Kelly, S. Khachaturov, B. Khanzadeev, A. Kikuchi, J. Kim, D. H. Kim, D. J. Kim, D. W. Kim, E. Kim, G. -B. Kim, H. J. Kistenev, E. Kiyomichi, A. Kiyoyama, K. Klein-Boesing, C. Kobayashi, H. Kochenda, L. Kochetkov, V. Koehler, D. Kohama, T. Kopytine, M. Kotchetkov, D. Kozlov, A. Kroon, P. J. Kuberg, C. H. Kurita, K. Kuroki, Y. Kweon, M. J. Kwon, Y. Kyle, G. S. Lacey, R. Ladygin, V. Lajoie, J. G. Lebedev, A. Leckey, S. Lee, D. M. Lee, S. Leitch, M. J. Li, X. H. Lim, H. Litvinenko, A. Liu, M. X. Liu, Y. Maguire, C. F. Makdisi, Y. I. Malakhov, A. Manko, V. I. Mao, Y. Martinez, G. Marx, M. D. Masui, H. Matathias, F. Matsumoto, T. McGaughey, P. L. Melnikov, E. Messer, F. Miake, Y. Milan, J. Miller, T. E. Milov, A. Mioduszewski, S. Mischke, R. E. Mishra, G. C. Mitchell, J. T. Mohanty, A. K. Morrison, D. P. Moss, J. M. Muhlbacher, F. Mukhopadhyay, D. Muniruzzaman, M. Murata, J. Nagamiya, S. Nagle, J. L. Nakamura, T. Nandi, B. K. Nara, M. Newby, J. Nilsson, P. Nyanin, A. S. Nystrand, J. O'Brien, E. Ogilvie, C. A. Ohnishi, H. Ojha, I. D. Okada, K. Ono, M. Onuchin, V. Oskarsson, A. Otterlund, I. Oyama, K. Ozawa, K. Pal, D. Palounek, A. P. T. Pantuev, V. Papavassiliou, V. Park, J. Parmar, A. Pate, S. F. Peitzmann, T. Peng, J. -C. Peresedov, V. Pinkenburg, C. Pisani, R. P. Plasil, F. Purschke, M. L. Purwar, A. K. Rak, J. Ravinovich, I. Read, K. F. Reuter, M. Reygers, K. Riabov, V. Riabov, Y. du Rietz, R. Roche, G. Romana, A. Rosati, M. Rosnet, P. Ryu, S. S. Sadler, M. E. Saito, N. Sakaguchi, T. Sakai, M. Sakai, S. Samsonov, V. Sanfratello, L. Santo, R. Sato, H. D. Sato, S. Sawada, S. Schutz, Y. Semenov, V. Seto, R. Shaw, M. R. Shea, T. K. Shibata, T. -A. Shigaki, K. Shiina, T. Silva, C. L. Silvermyr, D. Sim, K. S. Singh, C. P. Singh, V. Sivertz, M. Soldatov, A. Soltz, R. A. Sondheim, W. E. Sorensen, S. P. Sourikova, I. V. Staley, F. Stankus, P. W. Stenlund, E. Stepanov, M. Ster, A. Stoll, S. P. Sugitate, T. Sullivan, J. P. Takagui, E. M. Taketani, A. Tamai, M. Tanaka, K. H. Tanaka, Y. Tanida, K. Tannenbaum, M. J. Tarjan, P. Tepe, J. D. Thomas, T. L. Toia, A. Tojo, J. Torii, H. Towell, R. S. Tserruya, I. Tsuruoka, H. Tuli, S. K. Tydesjo, H. Tyurin, N. Velkovska, J. Velkovsky, M. Veszpremi, V. Villatte, L. Vinogradov, A. A. Volkov, M. A. Vznuzdaev, E. Wang, X. R. Watanabe, Y. White, S. N. Wohn, F. K. Woody, C. L. Xie, W. Yang, Y. Yanovich, A. Yokkaichi, S. Young, G. R. Yushmanov, I. E. Zajc, W. A. Zhang, C. Zhou, S. Zhou, J. Zolin, L. CA PHENIX Collaboration TI Measurement of density correlations in pseudorapidity via charged particle multiplicity fluctuations in Au plus Au collisions at root s(NN) =200 GeV SO PHYSICAL REVIEW C LA English DT Article ID NUCLEUS-NUCLEUS COLLISIONS; QCD PHASE-DIAGRAM; CRITICAL-POINT; HIGH-ENERGY; FINITE TEMPERATURE; 14.6A GEV/C; INTERMITTENCY; TRANSITION; DISTRIBUTIONS; RESTORATION AB Longitudinal density correlations of produced matter in Au+Au collisions at root s(NN)=200 GeV have been measured from the inclusive charged particle distributions as a function of pseudorapidity window sizes. The extracted alpha xi parameter, related to the susceptibility of the density fluctuations in the long-wavelength limit, exhibits a nonmonotonic behavior as a function of the number of participant nucleons, N-part. A local maximum is seen at N-part similar to 90, with corresponding energy density based on the Bjorken picture of epsilon(Bj)tau similar to 2.4 GeV/(fm(2)c) with a transverse area size of 60 fm(2). This behavior may suggest a critical phase boundary based on the Ginzburg-Landau framework. C1 Brookhaven Natl Lab, Upton, NY 11973 USA. Abilene Christian Univ, Abilene, TX 79699 USA. Acad Sinica, Inst Phys, Taipei 11529, Taiwan. Banaras Hindu Univ, Dept Phys, Varanasi 221005, Uttar Pradesh, India. Bhabha Atom Res Ctr, Bombay 400085, Maharashtra, India. Univ Calif Riverside, Riverside, CA 92521 USA. CIAE, Beijing, Peoples R China. Univ Tokyo, Grad Sch Sci, Ctr Nucl Study, Tokyo 1130033, Japan. Nevis Labs, Irvington, NY 10533 USA. Columbia Univ, New York, NY 10027 USA. CEA Saclay, Dapnia, F-91191 Gif Sur Yvette, France. Debrecen Univ, H-4010 Debrecen, Hungary. Florida State Univ, Tallahassee, FL 32306 USA. Georgia State Univ, Atlanta, GA 30303 USA. Hiroshima Univ, Higashihiroshima 7398526, Japan. Inst High Energy Phys, Protvino, Russia. Iowa State Univ, Ames, IA 50011 USA. Joint Inst Nucl Res, RU-141980 Dubna, Moscow Region, Russia. KAERI, Cyclotron Applicat Lab, Seoul, South Korea. Kangnung Natl Univ, Kangnung 210702, South Korea. KEK, High Energy Accelerator Res Org, Tsukuba, Ibaraki 3050801, Japan. KFKI Res Inst Particle & Nucl Phys RMKI, H-1525 Budapest 114, Hungary. Korea Univ, Seoul 136701, South Korea. Russian Res Ctr, Kurchatov Inst, Moscow, Russia. Kyoto Univ, Kyoto 6068502, Japan. Ecole Polytech, CNRS, IN2P3, Lab Leprince Ringuet, F-91128 Palaiseau, France. Lawrence Livermore Natl Lab, Livermore, CA 94550 USA. Los Alamos Natl Lab, Los Alamos, NM 87545 USA. Univ Clermont Ferrand, CNRS, IN2P, LPC, F-63177 Clermont Ferrand, France. Lund Univ, Dept Phys, SE-22100 Lund, Sweden. Univ Munster, Inst Kernphys, D-48149 Munster, Germany. Myongji Univ, Yongin 449728, Kyonggido, South Korea. Nagasaki Inst Appl Sci, Nagasaki 8510193, Japan. Univ New Mexico, Albuquerque, NM 87131 USA. New Mexico State Univ, Las Cruces, NM 88003 USA. Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA. Univ Paris 11, Inst Phys Nucl, CNRS, IN2P3, F-91406 Orsay, France. PNPI, Gatchina, Russia. RIKEN, Wako, Saitama 3510198, Japan. Brookhaven Natl Lab, RIKEN BNL Res Ctr, Upton, NY 11973 USA. St Petersburg State Tech Univ, St Petersburg, Russia. Univ Sao Paulo, Inst Fis, BR-05315970 Sao Paulo, Brazil. Seoul Natl Univ, Elect Syst Lab, Seoul, South Korea. SUNY Stony Brook, Dept Chem, Stony Brook, NY 11794 USA. SUNY Stony Brook, Dept Phys & Astron, Stony Brook, NY 11794 USA. Univ Nantes, CNRS, IN2P3, Ecole Mines Nantes,SUBATECH, F-20722 Nantes, France. Univ Tennessee, Knoxville, TN 37996 USA. Tokyo Inst Technol, Dept Phys, Tokyo 1528551, Japan. Univ Tsukuba, Inst Phys, Tsukuba, Ibaraki 305, Japan. Vanderbilt Univ, Nashville, TN 37235 USA. Waseda Univ, Adv Res Inst Sci & Engn, Shinjuku Ku, Tokyo 1620044, Japan. Weizmann Inst Sci, IL-76100 Rehovot, Israel. Yonsei Univ, IPAP, Seoul 120749, South Korea. RP Adler, SS (reprint author), Brookhaven Natl Lab, Upton, NY 11973 USA. EM jacak@skipper.physics.sunysb.edu RI seto, richard/G-8467-2011; Peitzmann, Thomas/K-2206-2012; du Rietz, Rickard/I-3794-2013; En'yo, Hideto/B-2440-2015; Hayano, Ryugo/F-7889-2012; HAMAGAKI, HIDEKI/G-4899-2014; Durum, Artur/C-3027-2014; Sorensen, Soren /K-1195-2016; Yokkaichi, Satoshi/C-6215-2017; Taketani, Atsushi/E-1803-2017; Semenov, Vitaliy/E-9584-2017 OI Peitzmann, Thomas/0000-0002-7116-899X; du Rietz, Rickard/0000-0002-9884-9058; Hayano, Ryugo/0000-0002-1214-7806; Sorensen, Soren /0000-0002-5595-5643; Taketani, Atsushi/0000-0002-4776-2315; NR 49 TC 27 Z9 27 U1 6 U2 9 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 SEP PY 2007 VL 76 IS 3 AR 034903 DI 10.1103/PhysRevC.76.034903 PG 33 WC Physics, Nuclear SC Physics GA 215CT UT WOS:000249786600046 ER PT J AU Arrington, J Melnitchouk, W Tjon, JA AF Arrington, J. Melnitchouk, W. Tjon, J. A. TI Global analysis of proton elastic form factor data with two-photon exchange corrections SO PHYSICAL REVIEW C LA English DT Article ID ELECTRON-PROTON; SCATTERING; NUCLEON; POSITRONS; POLARIZATION; TRANSFERS AB We use the world's data on elastic electron-proton scattering and calculations of two-photon exchange effects to extract corrected values of the proton's electric and magnetic form factors over the full Q(2) range of the existing data. Our analysis combines the corrected Rosenbluth cross section and polarization transfer data, and is the first extraction of G(E) and G(M) including explicit two-photon exchange corrections and their associated uncertainties. In addition, we examine the angular dependence of the corrected cross sections to examine the possible nonlinearities of the cross section as a function of epsilon. C1 Argonne Natl Lab, Argonne, IL 60439 USA. Jefferson Lab, Newport News, VA 23606 USA. Univ Utrecht, Dept Phys, NL-3508 TC Utrecht, Netherlands. RP Arrington, J (reprint author), Argonne Natl Lab, 9700 S Cass Ave, Argonne, IL 60439 USA. RI Arrington, John/D-1116-2012 OI Arrington, John/0000-0002-0702-1328 NR 72 TC 175 Z9 175 U1 0 U2 1 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 0556-2813 J9 PHYS REV C JI Phys. Rev. C PD SEP PY 2007 VL 76 IS 3 AR 035205 DI 10.1103/PhysRevC.76.035205 PG 11 WC Physics, Nuclear SC Physics GA 215CT UT WOS:000249786600053 ER PT J AU Arrington, J Sick, I AF Arrington, John Sick, Ingo TI Precise determination of low-Q nucleon electromagnetic form factors and their impact on parity-violating e-p elastic scattering SO PHYSICAL REVIEW C LA English DT Article ID ELECTRON-PROTON-SCATTERING; SQUARED 4-MOMENTUM TRANSFERS; LOW MOMENTUM-TRANSFER; CROSS-SECTIONS; DEUTERON SCATTERING; RMS-RADIUS; NEUTRON; FM-2; (GEV/C)(2); E'N)P AB The extraction of the strangeness form factors from parity-violating elastic electron-proton scattering is sensitive to the electromagnetic form factors at low Q(2). We provide parametrizations for the form factors and uncertainties, including the effects of two-photon exchange corrections to the extracted electromagnetic form factors. We study effect of the correlations between different form factors, in particular as they impact the parity-violating asymmetry and the extraction of the strangeness form factors. We provide a prescription to extract the strangeness form factors from the asymmetry that provides an excellent approximation of the full two-photon correction. The corrected form factors are also appropriate as input for other low-Q analyses, although the effects of correlations and two-photon exchange corrections may be different. C1 Argonne Natl Lab, Div Phys, Argonne, IL 60439 USA. Univ Basel, Dept Phys & Astron, Basel, Switzerland. RP Arrington, J (reprint author), Argonne Natl Lab, Div Phys, Argonne, IL 60439 USA. RI Arrington, John/D-1116-2012 OI Arrington, John/0000-0002-0702-1328 NR 72 TC 35 Z9 35 U1 0 U2 3 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 2469-9985 EI 2469-9993 J9 PHYS REV C JI Phys. Rev. C PD SEP PY 2007 VL 76 IS 3 AR 035201 DI 10.1103/PhysRevC.76.035201 PG 9 WC Physics, Nuclear SC Physics GA 215CT UT WOS:000249786600049 ER PT J AU Gasques, LR Brown, EF Chieffi, A Jiang, CL Limongi, M Rolfs, C Wiescher, M Yakovlev, DG AF Gasques, L. R. Brown, E. F. Chieffi, A. Jiang, C. L. Limongi, M. Rolfs, C. Wiescher, M. Yakovlev, D. G. TI Implications of low-energy fusion hindrance on stellar burning and nucleosynthesis SO PHYSICAL REVIEW C LA English DT Article ID ACCRETING NEUTRON-STAR; THERMONUCLEAR REACTION-RATES; REACTION CROSS-SECTION; X-RAY-BURSTS; COULOMB BARRIER; SUBCOULOMB ENERGIES; SUPERBURST IGNITION; NUCLEAR-REACTIONS; CORE-COLLAPSE; IA SUPERNOVAE AB We investigate the consequences of a new phenomenological model prediction of strongly reduced low-energy astrophysical S-factors for carbon and oxygen fusion reactions on stellar burning and nucleosynthesis. The new model drastically reduces the reaction rates in stellar matter at temperatures T less than or similar to (3-10) x 10(8) K, especially at densities rho greater than or similar to 10(9) g cm(-3), in a strongly screened or even pycnonuclear burning regime. We show that these modifications change the abundance of many isotopes in massive late-type stars and in particular strongly enhance the abundances of long-lived radioactive isotopes such as Al-26 and Fe-60. The reduced reaction rates also significantly complicate carbon ignition (shift carbon ignition to higher temperatures and densities) in massive accreting white dwarfs exploding as type Ia supernovae and in accreting neutron stars producing superbursts. This would require much higher ignition densities for white dwarf supernovae and would widen the gulf between theoretical and inferred ignition depths for superbursts. C1 Australian Natl Univ, Res Sch Phys Sci & Engn, Dept Phys Nucl, Canberra, ACT 0200, Australia. Univ Notre Dame, Joint Inst Nucl Astrophys, Notre Dame, IN 46556 USA. Michigan State Univ, Dept Phys & Astron, E Lansing, MI 48824 USA. Michigan State Univ, Joint Inst Nucl Astrophys, Natl Supercond Cyclotron Lab, E Lansing, MI 48824 USA. Osserv Astron Roma, Ist Natl Astrofis, I-00040 Monte Porzio Catone, Italy. Argonne Natl Lab, Div Phys, Argonne, IL 60439 USA. Ruhr Univ Bochum, D-4630 Bochum, Germany. AF Ioffe Phys Tech Inst, RU-194021 St Petersburg, Russia. RP Gasques, LR (reprint author), Australian Natl Univ, Res Sch Phys Sci & Engn, Dept Phys Nucl, GPO Box 4, Canberra, ACT 0200, Australia. RI Brown, Edward/F-1721-2011; Gasques, Leandro Romero/E-2530-2012; OI Chieffi, Alessandro/0000-0002-3589-3203; Limongi, Marco/0000-0003-0636-7834; Brown, Edward/0000-0003-3806-5339 NR 62 TC 55 Z9 55 U1 0 U2 1 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 0556-2813 J9 PHYS REV C JI Phys. Rev. C PD SEP PY 2007 VL 76 IS 3 AR 035802 DI 10.1103/PhysRevC.76.035802 PG 10 WC Physics, Nuclear SC Physics GA 215CT UT WOS:000249786600061 ER PT J AU Hagen, G Papenbrock, T Dean, DJ Schwenk, A Nogga, A Wloch, M Piecuch, P AF Hagen, G. Papenbrock, T. Dean, D. J. Schwenk, A. Nogga, A. Wloch, M. Piecuch, P. TI Coupled-cluster theory for three-body Hamiltonians SO PHYSICAL REVIEW C LA English DT Article ID LOW-MOMENTUM INTERACTIONS; MONTE-CARLO CALCULATIONS; EFFECTIVE-FIELD THEORY; FEW-NUCLEON FORCES; CHIRAL LAGRANGIANS; QUANTUM-CHEMISTRY; 2-NUCLEON SYSTEM; MEAN-FIELD; EQUATIONS; TRIPLE AB We derive coupled-cluster equations for three-body Hamiltonians. The equations for the one- and two-body cluster amplitudes are presented in a factorized form that leads to an efficient numerical implementation. We employ low-momentum two- and three-nucleon interactions and calculate the binding energy of He-4. The results show that the main contribution of the three-nucleon interaction stems from its density-dependent zero-, one-, and two-body terms that result from the normal ordering of the Hamiltonian in coupled-cluster theory. The residual three-body terms that remain after normal ordering can be neglected. C1 Oak Ridge Natl Lab, Div Phys, Oak Ridge, TN 37831 USA. Univ Tennessee, Dept Phys & Astron, Knoxville, TN 37996 USA. Univ Oslo, Ctr Math Applicat, N-0316 Oslo, Norway. TRIUMF, Vancouver, BC V6T 2A3, Canada. Univ Washington, Dept Phys, Seattle, WA 98195 USA. Forschungszentrum Julich, Inst Kernphys, D-52425 Julich, Germany. Michigan State Univ, Dept Chem, E Lansing, MI 48824 USA. RP Hagen, G (reprint author), Oak Ridge Natl Lab, Div Phys, POB 2008, Oak Ridge, TN 37831 USA. RI Nogga, Andreas/A-3354-2008; Hagen, Gaute/I-6146-2012; Piecuch, Piotr/C-4435-2011; OI Nogga, Andreas/0000-0003-2156-748X; Hagen, Gaute/0000-0001-6019-1687; Dean, David/0000-0002-5688-703X; Papenbrock, Thomas/0000-0001-8733-2849 NR 64 TC 95 Z9 95 U1 0 U2 4 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 2469-9985 EI 2469-9993 J9 PHYS REV C JI Phys. Rev. C PD SEP PY 2007 VL 76 IS 3 AR 034302 DI 10.1103/PhysRevC.76.034302 PG 11 WC Physics, Nuclear SC Physics GA 215CT UT WOS:000249786600008 ER PT J AU Hansen, CR Sletten, G Hagemann, GB Herskind, B Jensen, DR Bringel, P Engelhardt, C Hubel, H Neusser-Neffgen, A Singh, AK Carpenter, MP Janssens, RVF Khoo, TL Lauritsen, T Bednarczyk, P Byrski, T Curien, D Benzoni, G Bracco, A Camera, F Leoni, S Clark, RM Fallon, P Korichi, A Roccaz, J Maj, A Wilson, JN Lisle, JC Steinhardt, T Thelen, O Odegard, SW AF Hansen, C. Ronn Sletten, G. Hagemann, G. B. Herskind, B. Jensen, D. R. Bringel, P. Engelhardt, C. Huebel, H. Neusser-Neffgen, A. Singh, A. K. Carpenter, M. P. Janssens, R. V. F. Khoo, T. L. Lauritsen, T. Bednarczyk, P. Byrski, T. Curien, D. Benzoni, G. Bracco, A. Camera, F. Leoni, S. Clark, R. M. Fallon, P. Korichi, A. Roccaz, J. Maj, A. Wilson, J. N. Lisle, J. C. Steinhardt, T. Thelen, O. Odegard, S. W. TI Band structures extending to very high spin in Xe-126 SO PHYSICAL REVIEW C LA English DT Article ID CONFIGURATIONS; DEFORMATION; TRANSITIONS; REGION; DY-152 AB High-spin states in Xe-126 have been populated in the Se-82(Ca-48,4n)Xe-126 reaction in two experiments, one at the VIVITRON accelerator in Strasbourg using the Euroball detector array, and a subsequent one with ATLAS at Argonne using the Gammasphere Ge-detector array. Levels and assignments made previously for Xe-126 up to I=20 have been confirmed and extended. Four regular bands extending to a spin of almost I=60, which are interpreted as two pairs of signature partners with opposite parity, are identified for the first time. The alpha = 0 partner of each pair is connected to the lower-lying levels, whereas the two alpha = 1 partners remain floating. A fractional Doppler shift analysis of transitions in the strongest populated (pi,alpha)=(-,0) band provides a value of 5.2(0.5)(0.4) b for the transition quadrupole moment, which can be related to a minimum in the potential-energy surface calculated by the ULTIMATE CRANKER cranked shell-model code at epsilon approximate to 0.35 and gamma approximate to 5 degrees. The four lowest bands calculated for this minimum compare well with the two signature pairs experimentally observed over a wide spin range. A sharp upbend at h omega similar to 1170 keV is interpreted as a crossing with a band involving the j(15/2) neutron orbital, for which pairing correlations are expected to be totally quenched. The four long bands extend to within similar to 5 spin units of a crossing with an yrast line defined by calculated hyperdeformed transitions and will serve as important stepping stones into the spin region beyond 60h for future experiments. C1 Niels Bohr Inst, DK-2100 Copenhagen, Denmark. GANIL, F-14076 Caen 5, France. Univ Bonn, Helmholtz Inst Strahlen & Kernphys, D-53115 Bonn, Germany. Argonne Natl Lab, Div Phys, Argonne, IL 60439 USA. ULP, CNRS, IPHC, IN2P3,DRS, F-67037 Strasbourg, France. Dipartimento Fis, I-20133 Milan, Italy. Ist Nazl Fis Nucl, Sez Milano, I-20133 Milan, Italy. Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA. CSNSM, F-91406 Orsay, France. H Niewodniczanski Inst Nucl Phys, PL-31342 Krakow, Poland. Inst Phys Nucl, F-91406 Orsay, France. Univ Manchester, Shuster Lab, Manchester M13 9PL, Lancs, England. Univ Cologne, Inst Kernphys, D-50937 Cologne, Germany. Univ Oslo, Dept Phys, N-0316 Oslo, Norway. RP Hansen, CR (reprint author), Niels Bohr Inst, Blegdamsvej 17, DK-2100 Copenhagen, Denmark. EM sletten@nbi.dk RI CURIEN, Dominique/B-6718-2013; Carpenter, Michael/E-4287-2015 OI Carpenter, Michael/0000-0002-3237-5734 NR 21 TC 14 Z9 14 U1 0 U2 1 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 0556-2813 J9 PHYS REV C JI Phys. Rev. C PD SEP PY 2007 VL 76 IS 3 AR 034311 DI 10.1103/PhysRevC.76.034311 PG 16 WC Physics, Nuclear SC Physics GA 215CT UT WOS:000249786600017 ER PT J AU Kulp, WD Wood, JL Allmond, JM Eimer, J Furse, D Krane, KS Loats, J Schmelzenbach, P Stapels, CJ Larimer, RM Norman, EB Piechaczek, A AF Kulp, W. D. Wood, J. L. Allmond, J. M. Eimer, J. Furse, D. Krane, K. S. Loats, J. Schmelzenbach, P. Stapels, C. J. Larimer, R. -M. Norman, E. B. Piechaczek, A. TI N=90 region: The decays of Eu-152(m,g) to Sm-152 SO PHYSICAL REVIEW C LA English DT Article ID INTERACTING-BOSON MODEL; PLUS-QUADRUPOLE MODEL; TRANSITIONAL NUCLEI; SAMARIUM ISOTOPES; COLLECTIVE MODEL; ISOMER-SHIFTS; EVEN ISOTOPES; STATES; COEXISTENCE; SHAPE AB The decays of Eu-152(m,g)-> Sm-152 have been studied by gamma-ray spectroscopy using the 8 pi spectrometer, an array of 20 Compton-suppressed Ge detectors. Very weak gamma-decay branches in Sm-152 were investigated through gamma-gamma coincidence spectroscopy. All possible E2 transitions between states below 1550 keV with transition energies >130 keV are observed, including the previously unobserved 2(3)(+)-> 0(2)(+) 401 keV transition. The results, combined with existing lifetime data, provide a number of new or revised E2 transition strengths which are critical for clarifying the collective structure of Sm-152 and the N=90 isotones. C1 Georgia Inst Technol, Sch Phys, Atlanta, GA 30332 USA. Oregon State Univ, Dept Phys, Corvallis, OR 97331 USA. Univ Calif Berkeley, Lawrence Berkeley Lab, Div Nucl Sci, Berkeley, CA 94720 USA. Louisiana State Univ, Dept Phys & Astron, Baton Rouge, LA 70803 USA. RP Kulp, WD (reprint author), Georgia Inst Technol, Sch Phys, Atlanta, GA 30332 USA. NR 69 TC 18 Z9 18 U1 0 U2 1 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 0556-2813 J9 PHYS REV C JI Phys. Rev. C PD SEP PY 2007 VL 76 IS 3 AR 034319 DI 10.1103/PhysRevC.76.034319 PG 19 WC Physics, Nuclear SC Physics GA 215CT UT WOS:000249786600025 ER PT J AU Liu, CP Ramsey-Musolf, MJ Haxton, WC Timmermans, RGE Dieperink, AEL AF Liu, C. -P. Ramsey-Musolf, M. J. Haxton, W. C. Timmermans, R. G. E. Dieperink, A. E. L. TI Atomic electric dipole moments: The Schiff theorem and its corrections SO PHYSICAL REVIEW C LA English DT Article ID NUCLEAR ANAPOLE MOMENTS; ENERGY-LEVELS AB Searches for the permanent electric dipole moments (EDMs) of diamagnetic atoms provide powerful probes of CP-violating hadronic and semileptonic interactions. The theoretical interpretation of such experiments, however, requires careful implementation of a well-known theorem by Schiff that implies a vanishing net EDM for an atom built entirely from pointlike, nonrelativistic constituents that interact only electrostatically. Any experimental observation of a nonzero atomic EDM would result from corrections to the pointlike, nonrelativistic, electrostatic assumption. We reformulate Schiff's theorem at the operator level and delineate the electronic and nuclear operators whose atomic matrix elements generate corrections to "Schiff screening." We obtain a form for the operator responsible for the leading correction associated with finite nuclear size-the so-called Schiff moment operator-and observe that it differs from the corresponding operator used in previous Schiff moment computations. We show that the more general Schiff moment operator reduces to the previously employed operator only under certain approximations that are not generally justified. We also identify other corrections to Schiff screening that may not be included properly in previous theoretical treatments. We discuss practical considerations for obtaining a complete computation of corrections to Schiff screening in atomic EDM calculations. C1 Los Alamos Natl Lab, T16 Theoret Div, Los Alamos, NM 87545 USA. Univ Groningen, Kernfys Versneller Inst, Theory Grp, NL-9747 AA Groningen, Netherlands. CALTECH, Kellogg Radiat Lab, Pasadena, CA 91125 USA. Univ Wisconsin, Dept Phys, Madison, WI 53706 USA. Univ Washington, Inst Nucl Theory, Seattle, WA 98195 USA. Univ Washington, Dept Phys, Seattle, WA 98195 USA. RP Liu, CP (reprint author), Los Alamos Natl Lab, T16 Theoret Div, POB 1663, Los Alamos, NM 87545 USA. NR 35 TC 20 Z9 20 U1 2 U2 5 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 SEP PY 2007 VL 76 IS 3 AR 035503 DI 10.1103/PhysRevC.76.035503 PG 16 WC Physics, Nuclear SC Physics GA 215CT UT WOS:000249786600058 ER PT J AU Matev, M Afanasjev, AV Dobaczewski, J Lalazissis, GA Nazarewicz, W AF Matev, M. Afanasjev, A. V. Dobaczewski, J. Lalazissis, G. A. Nazarewicz, W. TI Additivity of effective quadrupole moments and angular momentum alignments in A similar to 130 nuclei SO PHYSICAL REVIEW C LA English DT Article ID HARMONIC-OSCILLATOR BASIS; HARTREE-FOCK EQUATIONS; SINGLE-PARTICLE MOTION; MEAN-FIELD DESCRIPTION; SUPERDEFORMED NUCLEI; MASS REGION; IDENTICAL BANDS; RELATIVISTIC DESCRIPTION; LIFETIME MEASUREMENTS; ROTATIONAL BANDS AB The additivity principle of the extreme shell model stipulates that an average value of a one-body operator be equal to the sum of the core contribution and effective contributions of valence (particle or hole) nucleons. For quadrupole moment and angular momentum operators, we test this principle for highly deformed and superdeformed rotational bands in A similar to 130 nuclei. Calculations are done in the self-consistent cranked nonrelativistic Hartree-Fock and relativistic Hartree mean-field approaches. Results indicate that the additivity principle is a valid concept that justifies the use of an extreme single-particle model in an unpaired regime typical of high angular momenta. C1 Univ Tennessee, Dept Phys & Astron, Knoxville, TN 37996 USA. Bulgarian Acad Sci, Inst Nucl Res & Nucl Energy, BG-1784 Sofia, Bulgaria. Mississippi State Univ, Dept Phys & Astron, Mississippi State, MS 39762 USA. Latvian State Univ, Inst Solid State Phys, Lab Radiat Phys, LV-2169 Salaspils, Latvia. Oak Ridge Natl Lab, Div Phys, Oak Ridge, TN 37831 USA. Univ Warsaw, Inst Theoret Phys, PL-00681 Warsaw, Poland. Univ Jyvaskyla, Dept Phys, FI-40014 Jyvaskyla, Finland. Aristotle Univ Thessaloniki, Dept Theoret Phys, GR-54124 Thessaloniki, Greece. RP Matev, M (reprint author), Univ Tennessee, Dept Phys & Astron, Knoxville, TN 37996 USA. NR 49 TC 15 Z9 15 U1 0 U2 3 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 0556-2813 J9 PHYS REV C JI Phys. Rev. C PD SEP PY 2007 VL 76 IS 3 AR 034304 DI 10.1103/PhysRevC.76.034304 PG 13 WC Physics, Nuclear SC Physics GA 215CT UT WOS:000249786600010 ER PT J AU Parker, JD Athanas, MJ Barnes, PD Bart, S Bassalleck, B Chrien, R Diebold, G Franklin, GB Johnston, K Pile, P Quinn, B Rozon, F Sawafta, R Schumacher, RA Stearns, R Sukaton, I Sutter, R Szymanski, JJ Zeps, VJ AF Parker, J. D. Athanas, M. J. Barnes, P. D. Bart, S. Bassalleck, B. Chrien, R. Diebold, G. Franklin, G. B. Johnston, K. Pile, P. Quinn, B. Rozon, F. Sawafta, R. Schumacher, R. A. Stearns, R. Sukaton, I. Sutter, R. Szymanski, J. J. Zeps, V. J. TI Weak decays of He-4(Lambda) SO PHYSICAL REVIEW C LA English DT Article ID DELTA-I=1/2 RULE; DIRECT QUARK; LAMBDA; HYPERNUCLEI; MODEL AB We measured the lifetime and the mesonic and nonmesonic decay rates of the (4)(Lambda) He hypernucleus. The hypernuclei were created using a 750 MeV/c momentum K- beam on a liquid He-4 target by the reaction He-4 (K-, pi(-))(Lambda)(4) He. The (4)(Lambda) He lifetime was directly measured using protons from Lambda p -> np nonmesonic decay (also referred to as proton-stimulated decay) and was found to have a value of tau = 245 +/- 24 ps. The mesonic decay rates were determined from the observed numbers of pi(-)'s and pi degrees's as Gamma(-)(pi)/Gamma(tot)=0.270 +/- 0.024 and Gamma(pi degrees)/Gamma(tot) = 0.564 +/- 0.036, respectively, and the values of the proton- and neutron-stimulated decay rates were extracted as Gamma(p)/Gamma(tot) = 0.169 +/- 0.019 and Gamma(n)/Gamma(tot) <= 0.032 (95% CL), respectively. The effects of final-state interactions and possible three-body Lambda NN decay contributions were studied in the context of a simple model of nucleon-stimulated decay. Nucleon-nucleon coincidence events were observed and were used in the determination of the nonmesonic branching fractions. The implications of the results of this analysis were considered for the empirical Delta I = 1/2 rule and the decay rates of the (4)(Lambda) H hypernucleus. C1 Carnegie Mellon Univ, Pittsburgh, PA 15213 USA. Brookhaven Natl Lab, Upton, NY 11973 USA. Univ New Mexico, Albuquerque, NM 87131 USA. Univ Houston, Houston, TX 77004 USA. Vassar Coll, Poughkeepsie, NY 12604 USA. Indiana Univ, Cyclotron Facil, Bloomington, IN 47408 USA. RP Parker, JD (reprint author), Kyoto Univ, Dept Phys, Kyoto 6068502, Japan. EM jparker@scphys.kyoto-u.ac.jp RI Schumacher, Reinhard/K-6455-2013; Franklin, Gregg/N-7743-2014; Quinn, Brian/N-7343-2014 OI Schumacher, Reinhard/0000-0002-3860-1827; Franklin, Gregg/0000-0003-4176-1378; Quinn, Brian/0000-0003-2800-986X NR 24 TC 25 Z9 25 U1 0 U2 0 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 0556-2813 J9 PHYS REV C JI Phys. Rev. C PD SEP PY 2007 VL 76 IS 3 AR 035501 DI 10.1103/PhysRevC.76.035501 PG 15 WC Physics, Nuclear SC Physics GA 215CT UT WOS:000249786600056 ER PT J AU Paul, ES Boston, AJ Chiara, CJ Devlin, M Fossan, DB Freeman, SJ LaFosse, DR Lane, GJ Leddy, MJ Lee, IY Macchiavelli, AO Nolan, PJ Sarantites, DG Sears, JM Semple, AT Smith, JF Starosta, K AF Paul, E. S. Boston, A. J. Chiara, C. J. Devlin, M. Fossan, D. B. Freeman, S. J. LaFosse, D. R. Lane, G. J. Leddy, M. J. Lee, I. Y. Macchiavelli, A. O. Nolan, P. J. Sarantites, D. G. Sears, J. M. Semple, A. T. Smith, J. F. Starosta, K. TI gamma-ray spectroscopy of neutron-deficient Te-110. I. Low-spin and intermediate-spin structures SO PHYSICAL REVIEW C LA English DT Article ID COINCIDENCE DATA SETS; OCTUPOLE CORRELATIONS; SMOOTH TERMINATION; ROTATIONAL BANDS; INTRUDER BANDS; MASS REGION; NUCLEI; GAMMASPHERE; COLLECTIVITY; EXCITATIONS AB Excited states have been populated in Te-110(52) via the Ni-58(Ni-58,alpha 2p gamma) reaction at 250 MeV. The Gammasphere gamma-ray spectrometer was augmented with ancillary detectors for charged-particle and neutron detection in order to provide clean channel selection. The known level scheme of Te-110 has been greatly expanded with the addition of many new structures. Above spin 8(+), negative-parity structures become yrast. The level scheme of Te-110 below 30h is discussed in this paper, including possible evidence for octupole correlations inferred from strong B(E1) strengths. C1 Univ Liverpool, Oliver Lodge Lab, Liverpool L69 7ZE, Merseyside, England. SUNY Stony Brook, Dept Phys & Astron, Stony Brook, NY 11794 USA. Washington Univ, Dept Chem, St Louis, MO 63130 USA. Univ Manchester, Schuster Lab, Manchester M13 9PL, Lancs, England. Lawrence Berkeley Lab, Div Nucl Sci, Berkeley, CA 94720 USA. RP Paul, ES (reprint author), Univ Liverpool, Oliver Lodge Lab, Liverpool L69 7ZE, Merseyside, England. RI Freeman, Sean/B-1280-2010; Devlin, Matthew/B-5089-2013; Lane, Gregory/A-7570-2011 OI Freeman, Sean/0000-0001-9773-4921; Devlin, Matthew/0000-0002-6948-2154; Lane, Gregory/0000-0003-2244-182X NR 41 TC 5 Z9 5 U1 0 U2 0 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 2469-9985 EI 2469-9993 J9 PHYS REV C JI Phys. Rev. C PD SEP PY 2007 VL 76 IS 3 AR 034322 DI 10.1103/PhysRevC.76.034322 PG 12 WC Physics, Nuclear SC Physics GA 215CT UT WOS:000249786600028 ER PT J AU Paul, ES Evans, AO Boston, AJ Chiara, CJ Devlin, M Fossan, DB Freeman, SJ LaFosse, DR Lane, GJ Leddy, MJ Lee, IY Macchiavelli, AO Nolan, PJ Sarantites, DG Sears, JM Semple, AT Smith, JF Starosta, K Afanasjev, AV Ragnarsson, I AF Paul, E. S. Evans, A. O. Boston, A. J. Chiara, C. J. Devlin, M. Fossan, D. B. Freeman, S. J. LaFosse, D. R. Lane, G. J. Leddy, M. J. Lee, I. Y. Macchiavelli, A. O. Nolan, P. J. Sarantites, D. G. Sears, J. M. Semple, A. T. Smith, J. F. Starosta, K. Afanasjev, A. V. Ragnarsson, I. TI gamma-ray spectroscopy of neutron-deficient Te-110. II. High-spin smooth-terminating structures SO PHYSICAL REVIEW C LA English DT Article ID COINCIDENCE DATA SETS; ROTATIONAL BANDS; MASS REGION; INTRUDER BANDS; COLLECTIVITY; GAMMASPHERE AB High-spin states have been populated in Te-110(52) via Ni-58(Ni-58,alpha 2p gamma) reactions at 240 and 250 MeV. The Gammasphere gamma-ray spectrometer was used in conjunction with the Microball charged-particle detector. The high-spin (I>30) collective level scheme of Te-110, up to similar to 45h, is discussed in this paper. Four new decoupled (Delta I=2) high-spin structures have been observed for the first time, together with two strongly coupled (Delta I=1) bands. These bands all show the characteristics of smooth band termination, and are discussed within the framework of the cranked Nilsson-Strutinsky approach. C1 Univ Liverpool, Oliver Lodge Lab, Liverpool L69 7ZE, Merseyside, England. SUNY Stony Brook, Dept Phys & Astron, Stony Brook, NY 11794 USA. Washington Univ, Dept Chem, St Louis, MO 63130 USA. Univ Manchester, Schuster Lab, Manchester M13 9PL, Lancs, England. Lawrence Berkeley Lab, Div Nucl Sci, Berkeley, CA 94720 USA. Mississippi State Univ, Dept Phys & Astron, Mississippi State, MS 39762 USA. Lund Inst Technol, Dept Math Phys, S-22100 Lund, Sweden. Univ Latvia, Inst Solid State Phys, Lab Radiat Phys, LV-2169 Salapils, Latvia. RP Paul, ES (reprint author), Univ Liverpool, Oliver Lodge Lab, Liverpool L69 7ZE, Merseyside, England. RI Freeman, Sean/B-1280-2010; Lane, Gregory/A-7570-2011; Devlin, Matthew/B-5089-2013 OI Freeman, Sean/0000-0001-9773-4921; Lane, Gregory/0000-0003-2244-182X; Devlin, Matthew/0000-0002-6948-2154 NR 22 TC 8 Z9 8 U1 0 U2 2 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 2469-9985 EI 2469-9993 J9 PHYS REV C JI Phys. Rev. C PD SEP PY 2007 VL 76 IS 3 AR 034323 DI 10.1103/PhysRevC.76.034323 PG 9 WC Physics, Nuclear SC Physics GA 215CT UT WOS:000249786600029 ER PT J AU Urban, W Rzaca-Urban, T Syntfeld-Kazuch, A Durell, JL Smith, AG Varley, BJ Ahmad, I AF Urban, W. Rzaca-Urban, T. Syntfeld-Kazuch, A. Durell, J. L. Smith, A. G. Varley, B. J. Ahmad, I. TI Near-yrast structure of the La-149 nucleus SO PHYSICAL REVIEW C LA English DT Article ID NEUTRON-RICH; OCTUPOLE CORRELATIONS; SPONTANEOUS FISSION; DECAY; REGION AB Excited states in La-149, populated in the spontaneous fission of Cm-248, were studied with the EUROGAM2 array. A new Delta I = 2 band found in La-149 is interpreted as the alpha = -1/2 branch of the pi 3/2(-) [402] configuration. The bandhead has spin 7/2(-) because the 3/2(-) and 5/2(-) levels are pushed up by the Coriolis interaction. The 7/2(-) level is located not higher than 30 keV above the ground state and may form a long-lived isomer if spin and parity of the g.s. is 3/2(+). C1 Univ Warsaw, Fac Phys, PL-00681 Warsaw, Poland. Univ Manchester, Dept Phys & Astron, Manchester M13 9PL, Lancs, England. Argonne Natl Lab, Argonne, IL 60439 USA. RP Urban, W (reprint author), Univ Warsaw, Fac Phys, Ul Hoza 69, PL-00681 Warsaw, Poland. NR 16 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 0556-2813 J9 PHYS REV C JI Phys. Rev. C PD SEP PY 2007 VL 76 IS 3 AR 037301 DI 10.1103/PhysRevC.76.037301 PG 4 WC Physics, Nuclear SC Physics GA 215CT UT WOS:000249786600063 ER PT J AU Wong, CY Zhang, WN AF Wong, Cheuk-Yin Zhang, Wei-Ning TI Chaoticity parameter lambda in Hanbury-Brown-Twiss interferometry SO PHYSICAL REVIEW C LA English DT Article ID HEAVY-ION COLLISIONS; HARTREE-FOCK APPROXIMATION; ENERGY NUCLEAR COLLISIONS; BOSE-EINSTEIN CORRELATION; PION INTERFEROMETRY; INTENSITY INTERFEROMETRY; MULTIPLE-SCATTERING; COLLECTIVE FLOW; DYNAMICS; FLUID AB In Hanbury-Brown-Twiss interferometry measurements using identical bosons, the chaoticity parameter lambda has been introduced phenomenologically to represent the momentum correlation function at zero relative momentum. It is useful to study an exactly solvable problem in which the lambda parameter and its dependence on the coherence properties of the boson system can be worked out in great detail. We are therefore motivated to study the state of a gas of noninteracting identical bosons at various temperatures held together in a harmonic oscillator potential that arises either externally or from bosons' own mean fields. We determine the degree of Bose-Einstein condensation and its momentum correlation function as a function of the attributes of the boson environment. The parameter lambda can then be evaluated from the momentum correlation function. We find that the lambda(p,T) parameter is a sensitive function of both the average pair momentum p and the temperature T, and the occurrence of lambda=1 is not a consistent measure of the absence of a coherent condensate fraction. In particular, for large values of p, the lambda parameter attains the value of unity even for significantly coherent systems with large condensate fractions. We find that if a pion system maintains a static equilibrium within its mean field, and if it contains a root-mean-squared radius, a pion number, and a temperature typical of those in high-energy heavy-ion collisions, then it will contain a large fraction of the Bose-Einstein pion condensate. C1 Oak Ridge Natl Lab, Div Phys, Oak Ridge, TN 37831 USA. Dalian Univ Technol, Sch Phys & Optoelect Technol, Dalian 116024, Peoples R China. Harbin Inst Technol, Dept Phys, Harbin 150006, Peoples R China. RP Wong, CY (reprint author), Oak Ridge Natl Lab, Div Phys, Oak Ridge, TN 37831 USA. EM wongc@ornl.gov; wnzhang@dlut.edu.cn NR 85 TC 9 Z9 10 U1 1 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 SEP PY 2007 VL 76 IS 3 AR 034905 DI 10.1103/PhysRevC.76.034905 PG 15 WC Physics, Nuclear SC Physics GA 215CT UT WOS:000249786600048 ER PT J AU Abazov, VM Abbott, B Abolins, M Acharya, BS Adams, M Adams, T Aguilo, E Ahn, SH Ahsan, M Alexeev, GD Alkhazov, G Alton, A Alverson, G Alves, GA Anastasoaie, M Ancu, LS Andeen, T Anderson, S Andrieu, B Anzelc, MS Arnoud, Y Arov, M Arthaud, M Askew, A Asman, B Jesus, ACSA Atramentov, O Autermann, C Avila, C Ay, C Badaud, F Baden, A Bagby, L Baldin, B Bandurin, DV Banerjee, S Banerjee, P Barberis, E Barfuss, AF Bargassa, P Baringer, P Barreto, J Bartlett, JF Bassler, U Bauer, D Beale, S Bean, A Begalli, M Begel, M Belanger-Champagne, C Bellantoni, L Bellavance, A Benitez, JA Beri, SB Bernardi, G Bernhard, R Berntzon, L Bertram, I Besancon, M Beuselinck, R Bezzubov, VA Bhat, PC Bhatnagar, V Biscarat, C Blazey, G Blekman, F Blessing, S Bloch, D Bloom, K Boehnlein, A Boline, D Bolton, TA Borissov, G Bos, K Bose, T Brandt, A Brock, R Brooijmans, G Bross, A Brown, D Buchanan, NJ Buchholz, D Buehler, M Buescher, V Burdin, S Burke, S Burnett, TH Buszello, CP Butler, JM Calfayan, P Calvet, S Cammin, J Caron, S Carvalho, W Casey, BCK Cason, NM Castilla-Valdez, H Chakrabarti, S Chakraborty, D Chan, KM Chan, K Chandra, A Charles, F Cheu, E Chevallier, F Cho, DK Choi, S Choudhary, B Christofek, L Christoudias, T Cihangir, S Claes, D Clement, C Clement, B Coadou, Y Cooke, M Cooper, WE Corcoran, M Couderc, F Cousinou, MC Crepe-Renaudin, S Cutts, D Cwiok, M da Motta, H Das, A Davies, G De, K de Jong, SJ de Jong, P De La Cruz-Burelo, E Martins, CD Degenhardt, JD Deliot, F Demarteau, M Demina, R Denisov, D Denisov, SP Desai, S Diehl, HT Diesburg, M Dominguez, A Dong, H Dudko, LV Duflot, L Dugad, SR Duggan, D Duperrin, A Dyer, J Dyshkant, A Eads, M Edmunds, D Ellison, J Elvira, VD Enari, Y Eno, S Ermolov, P Evans, H Evdokimov, A Evdokimov, VN Ferapontov, AV Ferbel, T Fiedler, F Filthaut, F Fisher, W Fisk, HE Ford, M Fortner, M Fox, H Fu, S Fuess, S Gadfort, T Galea, CF Gallas, E Galyaev, E Garcia, C Garcia-Bellido, A Gavrilov, V Gay, P Geist, W Gele, D Gerber, CE Gershtein, Y Gillberg, D Ginther, G Gollub, N Gomez, B Goussiou, A Grannis, PD Greenlee, H Greenwood, ZD Gregores, EM Grenier, G Gris, P Grivaz, JF Grohsjean, A Grunendahl, S Grunewald, MW Guo, J Guo, F Gutierrez, P Gutierrez, G Haas, A Hadley, NJ Haefner, P Hagopian, S Haley, J Hall, I Hall, RE Han, L Hanagaki, K Hansson, P Harder, K Harel, A Harrington, R Hauptman, JM Hauser, R Hays, J Hebbeker, T Hedin, D Hegeman, JG Heinmiller, JM Heinson, AP Heintz, U Hensel, C Herner, K Hesketh, G Hildreth, MD Hirosky, R Hobbs, JD Hoeneisen, B Hoeth, H Hohlfeld, M Hong, SJ Hooper, R Hossain, S Houben, P Hu, Y Hubacek, Z Hynek, V Iashvili, I Illingworth, R Ito, AS Jabeen, S Jaffre, M Jain, S Jakobs, K Jarvis, C Jesik, R Johns, K Johnson, C Johnson, M Jonckheere, A Jonsson, P Juste, A Kafer, D Kahn, S Kajfasz, E Kalinin, AM Kalk, JR Kalk, JM Kappler, S Karmanov, D Kasper, J 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Yasuda, T. Yatsunenko, Y. A. Yip, K. Yoo, H. D. Youn, S. W. Yu, J. Yu, C. Yurkewicz, A. Zatserklyaniy, A. Zeitnitz, C. Zhang, D. Zhao, T. Zhou, B. Zhu, J. Zielinski, M. Zieminska, D. Zieminski, A. Zivkovic, L. Zutshi, V. Zverev, E. G. CA D0 Collaboration TI Measurement of the t(t)over-bar production cross section in p(p)over-bar collisions using dilepton events SO PHYSICAL REVIEW D LA English DT Article ID TOP-QUARK PRODUCTION; PARTON DISTRIBUTIONS; DETECTOR; PHYSICS AB We present a measurement of the t (t) over bar pair production cross section in p (p) over bar collisions at root s=1.96 TeV utilizing approximately 425 pb(-1) of data collected with the D0 detector. We consider decay channels containing two high p(T) charged leptons (either e or mu) from leptonic decays of both top-daughter W bosons. These were gathered using four sets of selection criteria, three of which required that a pair of fully identified leptons (i.e., e mu, ee, or mu mu) be found. The fourth approach imposed less restrictive criteria on one of the lepton candidates and required that at least one hadronic jet in each event be tagged as containing a b quark. For a top quark mass of 175 GeV, the measured cross section is 7.4 +/- 1.4(stat)+/- 1.0(syst) pb and for the current Tevatron average top quark mass of 170.9 GeV, the resulting value of the cross section is 7.8 +/- 1.8(stat+syst) pb. C1 Univ Buenos Aires, Buenos Aires, DF, Argentina. Ctr Brasileiro Pesquisas Fis, LAFEX, Rio De Janeiro, Brazil. Univ Estado Rio de Janeiro, Rio De Janeiro, Brazil. Univ Estadual Paulista, Inst Fis Teor, Sao Paulo, Brazil. Univ Alberta, Edmonton, AB, Canada. Simon Fraser Univ, Burnaby, BC, Canada. York Univ, Toronto, ON, Canada. McGill Univ, Montreal, PQ, Canada. Univ Sci & Technol China, Hefei, Peoples R China. Univ Los Andes, Bogota, Colombia. Charles Univ Prague, Ctr Particle Phys, Prague, Czech Republic. Czech Tech Univ, Prague, Czech Republic. Acad Sci Czech Republic, Inst Phys, Ctr Particle Phys, Prague, Czech Republic. Univ San Francisco Quito, Quito, Ecuador. Univ Clermont Ferrand, IN2P3 CNRS, Phys Corpusculaire Lab, Clermont Ferrand, France. Univ Grenoble 1, CNRS, IN2P3, Phys Subatom & Cosmol Lab, Grenoble, France. Univ Aix Marseille 2, CNRS, IN2P3, CPPM, Marseille, France. CNRS, IN2P3, Accelerateur Lineaire Lab, Orsay, France. Univ Paris 11, Orsay, France. Univ Paris 06, IN2P3, CNRS, LPNHE, Paris, France. Univ Paris 07, Paris, France. CEA, DAPNIA, Serv Phys Particules, Saclay, France. Univ Louis Pasteur Strasbourg 1, IPHC, Strasbourg, France. Univ Haute Alsace, CNRS, IN2P3, Strasbourg, France. Univ Lyon 1, CNRS, IPNL, IN2P3, Villeurbanne, France. Univ Lyon, Lyon, France. Rhein Westfal TH Aachen, Inst Phys A 3, Aachen, Germany. Univ Bonn, Inst Phys, Bonn, Germany. Univ Freiburg, Inst Phys, Freiburg, Germany. Johannes Gutenberg Univ Mainz, Inst Phys, Mainz, Germany. Univ Munich, Munich, Germany. Univ Gesamthsch Wuppertal, Fachbereich Phys, Wuppertal, Germany. Panjab Univ, Chandigarh, India. Univ Delhi, Delhi, India. Tata Inst Fundamental Res, Mumbai, India. Natl Univ Ireland Univ Coll Dublin, Dublin, Ireland. Korea Univ, Korea Detector Lab, Seoul, South Korea. Sungkyunkwan Univ, Dept Chem, Suwon, South Korea. CINVESTAV, Mexico City, DF, Mexico. NIKHEF H, FOM Inst, Amsterdam, Netherlands. Univ Amsterdam, NIKHEF, Amsterdam, Netherlands. Radboud Univ Nijmegen, NIKHEF, Nijmegen, Netherlands. Joint Inst Nucl Res, Dubna, Russia. Inst Theoret & Expt Phys, Moscow, Russia. Moscow MV Lomonosov State Univ, Moscow, Russia. Inst High Energy Phys, Protvino, Russia. Petersburg Nucl Phys Inst, St Petersburg, Russia. Lund Univ, Lund, Sweden. Royal Inst Technol, Stockholm, Sweden. Univ Stockholm, Stockholm, Sweden. Uppsala Univ, Uppsala, Sweden. Univ Zurich, Inst Phys, Zurich, Switzerland. Univ Lancaster, Lancaster, England. Univ London Sch Pharm, London, England. Univ Manchester, Manchester, Lancs, England. Univ Arizona, Tucson, AZ 85721 USA. Lawrence Berkeley Natl Lab, Berkeley, CA USA. Univ Calif Berkeley, Berkeley, CA 94720 USA. Calif State Univ Fresno, Fresno, CA 93740 USA. Univ Calif Riverside, Riverside, CA 92521 USA. Florida State Univ, Tallahassee, FL 32306 USA. Fermilab Natl Accelerator Lab, Batavia, IL 60510 USA. Univ Illinois, Chicago, IL 60607 USA. No Illinois Univ, De Kalb, IL 60115 USA. Northwestern Univ, Evanston, IL 60208 USA. Indiana Univ, Bloomington, IN 47405 USA. Univ Notre Dame, Notre Dame, IN 46556 USA. Purdue Univ Calumet, Hammond, IN 46323 USA. Iowa State Univ, Ames, IA 50011 USA. Univ Kansas, Lawrence, KS 66045 USA. Kansas State Univ, Manhattan, KS 66506 USA. Louisiana Tech Univ, Ruston, LA 71272 USA. Univ Maryland, College Pk, MD 20742 USA. Boston Univ, Boston, MA 02215 USA. Northeastern Univ, Boston, MA 02115 USA. Univ Michigan, Ann Arbor, MI 48109 USA. Michigan State Univ, E Lansing, MI 48824 USA. Univ Mississippi, University, MS 38677 USA. Univ Nebraska, Lincoln, NE 68588 USA. Princeton Univ, Princeton, NJ 08544 USA. SUNY Buffalo, Buffalo, NY 14260 USA. Columbia Univ, New York, NY 10027 USA. Univ Rochester, Rochester, NY 14627 USA. SUNY Stony Brook, Stony Brook, NY 11794 USA. Brookhaven Natl Lab, Upton, NY 11973 USA. Langston Univ, Langston, OK 73050 USA. Univ Oklahoma, Norman, OK 73019 USA. Oklahoma State Univ, Stillwater, OK 74078 USA. Brown Univ, Providence, RI 02912 USA. Univ Texas, Arlington, TX 76019 USA. So Methodist Univ, Dallas, TX 75275 USA. Rice Univ, Houston, TX 77005 USA. Univ Virginia, Charlottesville, VA 22901 USA. Univ Washington, Seattle, WA 98195 USA. RP Abazov, VM (reprint author), Univ Buenos Aires, Buenos Aires, DF, Argentina. RI Ancu, Lucian Stefan/F-1812-2010; Telford, Paul/B-6253-2011; Nomerotski, Andrei/A-5169-2010; Shivpuri, R K/A-5848-2010; Gutierrez, Phillip/C-1161-2011; Dudko, Lev/D-7127-2012; Leflat, Alexander/D-7284-2012; Novaes, Sergio/D-3532-2012; Mercadante, Pedro/K-1918-2012; Mundim, Luiz/A-1291-2012; Yip, Kin/D-6860-2013; De, Kaushik/N-1953-2013; Merkin, Mikhail/D-6809-2012; Fisher, Wade/N-4491-2013; Alves, Gilvan/C-4007-2013; Santoro, Alberto/E-7932-2014; Deliot, Frederic/F-3321-2014; Sharyy, Viatcheslav/F-9057-2014; KIM, Tae Jeong/P-7848-2015; Guo, Jun/O-5202-2015; Sznajder, Andre/L-1621-2016; Li, Liang/O-1107-2015; OI Ancu, Lucian Stefan/0000-0001-5068-6723; Dudko, Lev/0000-0002-4462-3192; Novaes, Sergio/0000-0003-0471-8549; Mundim, Luiz/0000-0001-9964-7805; Yip, Kin/0000-0002-8576-4311; De, Kaushik/0000-0002-5647-4489; Belanger-Champagne, Camille/0000-0003-2368-2617; Sharyy, Viatcheslav/0000-0002-7161-2616; KIM, Tae Jeong/0000-0001-8336-2434; Guo, Jun/0000-0001-8125-9433; Sznajder, Andre/0000-0001-6998-1108; Li, Liang/0000-0001-6411-6107; Christoudias, Theodoros/0000-0001-9050-3880 NR 30 TC 26 Z9 26 U1 0 U2 4 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 1550-7998 J9 PHYS REV D JI Phys. Rev. D PD SEP PY 2007 VL 76 IS 5 AR 052006 DI 10.1103/PhysRevD.76.052006 PG 28 WC Astronomy & Astrophysics; Physics, Particles & Fields SC Astronomy & Astrophysics; Physics GA 215CV UT WOS:000249786800013 ER PT J AU Abazov, VM Abbott, B Abolins, M Acharya, BS Adams, M Adams, T Aguilo, E Ahn, SH Ahsan, M Alexeev, GD Alkhazov, G Alton, A Alverson, G Alves, GA Anastasoaie, M Ancu, LS Andeen, T Anderson, S Andrieu, B Anzelc, MS Arnoud, Y Arov, M Askew, A Asman, B Jesus, ACSA Atramentov, O Autermann, C Avila, C Ay, C Badaud, F Baden, A Bagby, L Baldin, B Bandurin, DV Banerjee, P Banerjee, S Barberis, E Barfuss, AF Bargassa, P Baringer, P Barnes, C Barreto, J Bartlett, JF Bassler, U Bauer, D Beale, S Bean, A Begalli, M Begel, M Belanger-Champagne, C Bellantoni, L Bellavance, A Benitez, JA Beri, SB Bernardi, G Bernhard, R Berntzon, L Bertram, I Besancon, M Beuselinck, R Bezzubov, VA Bhat, PC Bhatnagar, V Binder, M Biscarat, C Blackler, I Blazey, G Blekman, F Blessing, S Bloch, D Bloom, K Boehnlein, A Boline, D Bolton, TA Borissov, G Bos, K Bose, T Brandt, A Brock, R Brooijmans, G Bross, A Brown, D Buchanan, NJ Buchholz, D Buehler, M Buescher, V Burdin, S Burke, S Burnett, TH Busato, E Buszello, CP Butler, JM Calfayan, P Calvet, S Cammin, J Caron, S Carvalho, W Casey, BCK Cason, NM Castilla-Valdez, H Chakrabarti, S Chakraborty, D Chan, K Chan, KM Chandra, A Charles, F Cheu, E Chevallier, F Cho, DK Choi, S Choudhary, B Christofek, L Christoudias, T Claes, D Clement, B Clement, C Coadou, Y Cooke, M Cooper, WE Corcoran, M Couderc, F Cousinou, MC Cox, B Crepe-Renaudin, S Cutts, D Cwiok, M da Motta, H Das, A Davies, B Davies, G De, K de Jong, P de Jong, SJ De la Cruz-Burelo, E Martins, CDO Degenhardt, JD Deliot, F Demarteau, M Demina, R Denisov, D Denisov, SP Desai, S Diehl, HT Diesburg, M Doidge, M Dominguez, A Dong, H Dudko, LV Duflot, L Dugad, SR Duggan, D Duperrin, A Dyer, J Dyshkant, A Eads, M Edmunds, D Ellison, J Elvira, VD Enari, Y Eno, S Ermolov, P Evans, H Evdokimov, A Evdokimov, VN Ferapontov, AV Ferbel, T Fiedler, F Filthaut, F Fisher, W Fisk, HE Ford, M Fortner, M Fox, H Fu, S Fuess, S Gadfort, T Galea, CF Gallas, E Galyaev, E Garcia, C Garcia-Bellido, A Gavrilov, V Gay, P Geist, W Gele, D Gerber, CE Gershtein, Y Gillberg, D Ginther, G Gollub, N Gomez, B Goussiou, A Grannis, PD Greenlee, H Greenwood, ZD Gregores, EM Grenier, G Gris, P Grivaz, JF Grohsjean, A Grunendahl, S Grunewald, MW Guo, F Guo, J Gutierrez, G Gutierrez, P Haas, A Hadley, NJ Haefner, P Hagopian, S Haley, J Hall, I Hall, RE Han, L Hanagaki, K Hansson, P Harder, K Harel, A Harrington, R Hauptman, JM Hauser, R Hays, J Hebbeker, T Hedin, D Hegeman, JG Heinmiller, JM Heinson, AP Heintz, U Hensel, C Herner, K Hesketh, G Hildreth, MD Hirosky, R Hobbs, JD Hoeneisen, B Hoeth, H Hohlfeld, M Hong, SJ Hooper, R Houben, P Hu, Y Hubacek, Z Hynek, V Iashvili, I Illingworth, R Ito, AS Jabeen, S Jaffre, M Jain, S Jakobs, K Jarvis, C Jenkins, A Jesik, R Johns, K Johnson, C Johnson, M Jonckheere, A Jonsson, P Juste, A Kafer, D Kahn, S Kajfasz, E Kalinin, AM Kalk, JM Kalk, JR Kappler, S Karmanov, D Kasper, J Kasper, P Katsanos, I Kau, D Kaur, R Kehoe, R Kermiche, S Khalatyan, N Khanov, A Kharchilava, A Kharzheev, YM Khatidze, D Kim, H Kim, TJ Kirby, MH Klima, B Kohli, JM Konrath, JP Kopal, M Korablev, VM Kotcher, J Kothari, B Koubarovsky, A Kozelov, AV Krop, D Kryemadhi, A Kuhl, T Kumar, A Kunori, S Kupco, A Kurco, T Kurca, T Kvita, J Lam, D Lammers, S Landsberg, G Lazoflores, J Lebrun, P Lee, WM Leflat, A Lehner, F Lesne, V Leveque, J Lewis, P Li, J Li, L Li, QZ Lietti, SM Lima, JGR Lincoln, D Linnemann, J Lipaev, VV Lipton, R Liu, Z Lobo, L Lobodenko, A Lokajicek, M Lounis, A Love, P Lubatti, HJ Lynker, M Lyon, AL Maciel, AKA Madaras, RJ Maettig, P Magass, C Magerkurth, A Makovec, N Mal, PK Malbouisson, HB Malik, S Malyshev, VL Mao, HS Maravin, Y Martin, B McCarthy, R Melnitchouk, A Mendes, A Mendoza, L Mercadante, PG Merkin, M Merritt, KW Meyer, A Meyer, J 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Sawyer, L Scanlon, T Schaile, D Schamberger, RD Scheglov, Y Schellman, H Schieferdecker, P Schmitt, C Schwanenberger, C Schwartzman, A Schwienhorst, R Sekaric, J Sengupta, S Severini, H Shabalina, E Shamim, M Shary, V Shchukin, AA Shivpuri, RK Shpakov, D Siccardi, V Sidwell, RA Simak, V Sirotenko, V Skubic, P Slattery, P Smirnov, D Smith, RP Snow, GR Snow, J Snyder, S Soeldner-Rembold, S Sonnenschein, L Sopczak, A Sosebee, M Soustruznik, K Souza, M Spurlock, B Stark, J Steele, J Stolin, V Stone, A Stoyanova, DA Strandberg, J Strandberg, S Strang, MA Strauss, M Stroehmer, R Strom, D Strovink, M Stutte, L Sumowidagdo, S Svoisky, P Sznajder, A Talby, M Tamburello, P Taylor, W Telford, P Temple, J Tiller, B Tissandier, F Titov, M Tokmenin, VV Tomoto, M Toole, T Torchiani, I Trefzger, T Trincaz-Duvoid, S Tsybychev, D Tuchming, B Tully, C Tuts, PM Unalan, R Uvarov, L Uvarov, S Uzunyan, S Vachon, B van den Berg, PJ van Eijk, B Van Kooten, R van Leeuwen, WM Varelas, N Varnes, EW Vartapetian, A Vasilyev, IA Vaupel, M Verdier, P Vertogradov, LS Verzocchi, M Villeneuve-Seguier, F Vint, P Vlimant, JR Von Toerne, E Voutilainen, M Vreeswijk, M Wahl, HD Wang, L Wang, MHLS Warchol, J Watts, G Wayne, M Weber, G Weber, M Weerts, H Wenger, A Wermes, N Wetstein, M White, A Wicke, D Wilson, GW Wimpenny, SJ Wobisch, M Wood, DR Wyatt, TR Xie, Y Yacoob, S Yamada, R Yan, M Yasuda, T Yatsunenko, YA Yip, K Yoo, HD Youn, SW Yu, C Yu, J Yurkewicz, A Zatserklyaniy, A Zeitnitz, C Zhang, D Zhao, T Zhou, B Zhu, J Zielinski, M Zieminska, D Zieminski, A Zutshi, V Zverev, EG AF Abazov, V. M. Abbott, B. Abolins, M. Acharya, B. S. Adams, M. Adams, T. Aguilo, E. Ahn, S. H. Ahsan, M. Alexeev, G. D. Alkhazov, G. Alton, A. Alverson, G. Alves, G. A. Anastasoaie, M. Ancu, L. S. Andeen, T. Anderson, S. Andrieu, B. Anzelc, M. S. Arnoud, Y. Arov, M. Askew, A. Asman, B. Jesus, A. C. S. Assis Atramentov, O. Autermann, C. Avila, C. Ay, C. Badaud, F. Baden, A. Bagby, L. Baldin, B. Bandurin, D. V. Banerjee, P. Banerjee, S. Barberis, E. Barfuss, A. -F. Bargassa, P. Baringer, P. Barnes, C. Barreto, J. Bartlett, J. F. Bassler, U. Bauer, D. Beale, S. Bean, A. Begalli, M. Begel, M. Belanger-Champagne, C. Bellantoni, L. Bellavance, A. Benitez, J. A. Beri, S. B. Bernardi, G. Bernhard, R. Berntzon, L. Bertram, I. Besancon, M. Beuselinck, R. Bezzubov, V. A. Bhat, P. C. Bhatnagar, V. Binder, M. Biscarat, C. Blackler, I. Blazey, G. Blekman, F. Blessing, S. Bloch, D. Bloom, K. Boehnlein, A. Boline, D. Bolton, T. A. Borissov, G. Bos, K. Bose, T. Brandt, A. Brock, R. Brooijmans, G. Bross, A. Brown, D. Buchanan, N. J. Buchholz, D. Buehler, M. Buescher, V. Burdin, S. Burke, S. Burnett, T. H. Busato, E. Buszello, C. P. Butler, J. M. Calfayan, P. Calvet, S. Cammin, J. Caron, S. Carvalho, W. Casey, B. C. K. Cason, N. M. Castilla-Valdez, H. Chakrabarti, S. Chakraborty, D. Chan, K. Chan, K. M. Chandra, A. Charles, F. Cheu, E. Chevallier, F. Cho, D. K. Choi, S. Choudhary, B. Christofek, L. Christoudias, T. Claes, D. Clement, B. Clement, C. Coadou, Y. Cooke, M. Cooper, W. E. Corcoran, M. Couderc, F. Cousinou, M. -C. Cox, B. Crepe-Renaudin, S. Cutts, D. Cwiok, M. da Motta, H. Das, A. Davies, B. Davies, G. De, K. de Jong, P. de Jong, S. J. De la Cruz-Burelo, E. Martins, C. De Oliveira Degenhardt, J. D. Deliot, F. Demarteau, M. Demina, R. Denisov, D. Denisov, S. P. Desai, S. Diehl, H. T. Diesburg, M. Doidge, M. Dominguez, A. Dong, H. Dudko, L. V. Duflot, L. Dugad, S. R. Duggan, D. Duperrin, A. Dyer, J. Dyshkant, A. Eads, M. Edmunds, D. Ellison, J. Elvira, V. D. Enari, Y. Eno, S. 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Spurlock, B. Stark, J. Steele, J. Stolin, V. Stone, A. Stoyanova, D. A. Strandberg, J. Strandberg, S. Strang, M. A. Strauss, M. Stroehmer, R. Strom, D. Strovink, M. Stutte, L. Sumowidagdo, S. Svoisky, P. Sznajder, A. Talby, M. Tamburello, P. Taylor, W. Telford, P. Temple, J. Tiller, B. Tissandier, F. Titov, M. Tokmenin, V. V. Tomoto, M. Toole, T. Torchiani, I. Trefzger, T. Trincaz-Duvoid, S. Tsybychev, D. Tuchming, B. Tully, C. Tuts, P. M. Unalan, R. Uvarov, L. Uvarov, S. Uzunyan, S. Vachon, B. van den Berg, P. J. van Eijk, B. Van Kooten, R. van Leeuwen, W. M. Varelas, N. Varnes, E. W. Vartapetian, A. Vasilyev, I. A. Vaupel, M. Verdier, P. Vertogradov, L. S. Verzocchi, M. Villeneuve-Seguier, F. Vint, P. Vlimant, J. -R. Von Toerne, E. Voutilainen, M. Vreeswijk, M. Wahl, H. D. Wang, L. Wang, M. H. L. S. Warchol, J. Watts, G. Wayne, M. Weber, G. Weber, M. Weerts, H. Wenger, A. Wermes, N. Wetstein, M. White, A. Wicke, D. Wilson, G. W. Wimpenny, S. J. Wobisch, M. Wood, D. R. Wyatt, T. R. Xie, Y. Yacoob, S. Yamada, R. Yan, M. Yasuda, T. Yatsunenko, Y. A. Yip, K. Yoo, H. D. Youn, S. W. Yu, C. Yu, J. Yurkewicz, A. Zatserklyaniy, A. Zeitnitz, C. Zhang, D. Zhao, T. Zhou, B. Zhu, J. Zielinski, M. Zieminska, D. Zieminski, A. Zutshi, V. Zverev, E. G. TI Combined D0 measurements constraining the CP-violating phase and width difference in the B-s(0) system SO PHYSICAL REVIEW D LA English DT Article ID DECAYS AB We combine the D0 measurement of the width difference between the light and heavy B-s(0) mass eigenstates and of the CP-violating mixing phase determined from the time-dependent angular distributions in the B-s(0)-> J/psi phi decays along with the charge asymmetry in semileptonic decays also measured with the D0 detector. With the additional constraint from the world average of the flavor-specific B-s(0) lifetime, we obtain Delta Gamma(s)equivalent to(Gamma(L)-Gamma(H))=0.13 +/- 0.09 ps(-1) and vertical bar phi(s)vertical bar=0.70(-0.47)(+0.39) or Delta Gamma(s)=-0.13 +/- 0.09 ps(-1) and vertical bar phi(s)vertical bar=2.44(-0.39)(+0.47). The data sample corresponds to an integrated luminosity of 1.1 fb(-1) accumulated with the D0 detector at the Fermilab Tevatron Collider. C1 Brookhaven Natl Lab, Upton, NY 11973 USA. Univ Coll Dublin, Dublin 2, Ireland. Korea Univ, Korea Detector Lab, Seoul 136701, South Korea. Sungkyunkwan Univ, Suwon 440746, South Korea. CINVESTAV, Mexico City 14000, DF, Mexico. NIKHEF, FOM Inst, Amsterdam, Netherlands. Univ Amsterdam, NIKHEF, Amsterdam, Netherlands. Radboud Univ Nijmegen NIKHEF, Nijmegen, Netherlands. Joint Inst Nucl Res, Dubna, Russia. Inst Theoret & Expt Phys, Moscow 117259, Russia. Moscow MV Lomonosov State Univ, Moscow, Russia. Inst High Energy Phys, Protvino, Russia. Petersburg Nucl Phys Inst, St Petersburg, Russia. Petersburg Nucl Phys Inst, St Petersburg, Russia. Lund Univ, Lund, Sweden. Royal Inst Technol, Stockholm, Sweden. Stockholm Univ, S-10691 Stockholm, Sweden. Uppsala Univ, Uppsala, Sweden. Univ Zurich, Inst Phys, Zurich, Switzerland. Univ Lancaster, Lancaster, England. Imperial Coll, London, England. Univ Manchester, Manchester, Lancs, England. Univ Arizona, Tucson, AZ 85721 USA. Univ Calif Berkeley, Berkeley, CA 94720 USA. Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA. Calif State Univ Fresno, Fresno, CA 93740 USA. Univ Calif Riverside, Riverside, CA 92521 USA. Florida State Univ, Tallahassee, FL 32306 USA. Fermilab Natl Accelerator Lab, Batavia, IL 60510 USA. Univ Illinois, Chicago, IL 60607 USA. No Illinois Univ, De Kalb, IL 60115 USA. Northwestern Univ, Evanston, IL 60208 USA. Indiana Univ, Bloomington, IN 47405 USA. Univ Notre Dame, Notre Dame, IN 46556 USA. Purdue Univ Calumet, Hammond, IN 46323 USA. Iowa State Univ, Ames, IA 50011 USA. Univ Kansas, Lawrence, KS 66045 USA. Kansas State Univ, Manhattan, KS 66506 USA. Louisiana Tech Univ, Ruston, LA 71272 USA. Univ Maryland, College Pk, MD 20742 USA. Boston Univ, Boston, MA 02215 USA. Northwestern Univ, Boston, MA 02115 USA. Univ Michigan, Ann Arbor, MI 48109 USA. Michigan State Univ, E Lansing, MI 48824 USA. Univ Mississippi, University, MS 38677 USA. Univ Nebraska, Lincoln, NE 68588 USA. Princeton Univ, Princeton, NJ 08544 USA. SUNY Buffalo, Buffalo, NY 14260 USA. Columbia Univ, New York, NY 10027 USA. Univ Rochester, Rochester, NY 14627 USA. SUNY Stony Brook, Stony Brook, NY 11794 USA. Langston Univ, Langston, OK 73050 USA. Univ Oklahoma, Norman, OK 73019 USA. Oklahoma State Univ, Stillwater, OK 74078 USA. Brown Univ, Providence, RI 02912 USA. Univ Texas, Arlington, TX 76019 USA. So Methodist Univ, Dallas, TX 75275 USA. Rice Univ, Houston, TX 77005 USA. Univ Virginia, Charlottesville, VA 22901 USA. Univ Washington, Seattle, WA 98195 USA. Univ Buenos Aires, Buenos Aires, DF, Argentina. Ctr Brasileiro Pesquisas Fis, LAFEX, Rio De Janeiro, Brazil. Univ Estado Rio de Janeiro, Rio De Janeiro, Brazil. Univ Estadual Paulista, Inst Fis Teor, Sao Paulo, Brazil. Simon Fraser Univ, Burnaby, BC, Canada. York Univ, Toronto, ON M3J 2R7, Canada. Univ Alberta, Edmonton, AB, Canada. McGill Univ, Montreal, PQ, Canada. Univ Sci & Technol China, Hefei 230026, Peoples R China. Univ Los Andes, Bogota, Colombia. Charles Univ Prague, Ctr Particle Phys, Prague, Czech Republic. Czech Tech Univ, CR-16635 Prague, Czech Republic. Acad Sci Czech Republic, Inst Phys, Ctr Particle Phys, Prague, Czech Republic. Univ San Francisco, Quito, Ecuador. Univ Clermont Ferrand, CNRS, IN2P3, Phys Corpusculaire Lab, Clermont Ferrand, France. Univ Grenoble 1, CNRS, IN2P3, Lab Phys Subatom & Cosmol, Grenoble, France. Univ Aix Marseille 2, CNRS, IN2P3, CPPM, Marseille, France. CNRS, IN2P3, Lab Accelerateur Lineaire, F-91405 Orsay, France. Univ Paris 11, Orsay, France. Univ Paris 06, CNRS, IN2P3, LPNHE, Paris, France. Univ Paris 07, CNRS, IN2P3, LPNHE, Paris, France. CEA Saclay, Serv Phys Particules, DAPNIA, Gif Sur Yvette, France. Univ Strasbourg 1, CNRS, IN2P3, IPHC, Strasbourg, France. Univ Haute Alsace, Mulhouse, France. Univ Lyon 1, IPNL, CNRS, IN2P3, F-69622 Villeurbanne, France. Univ Lyon, Lyon, France. Rhein Westfal TH Aachen, Phys Inst A 3, D-5100 Aachen, Germany. Univ Bonn, Inst Phys, D-5300 Bonn, Germany. Univ Freiburg, Inst Phys, Freiburg, Germany. Johannes Gutenberg Univ Mainz, Inst Phys, D-6500 Mainz, Germany. Univ Munich, Munich, Germany. Univ Wuppertal, Fachbereich Phys, Wuppertal, Germany. Panjab Univ, Chandigarh 160014, India. Delhi Univ, Delhi, India. Tata Inst Fundamental Res, Bombay 400005, Maharashtra, India. RP Abazov, VM (reprint author), Brookhaven Natl Lab, Upton, NY 11973 USA. RI Mundim, Luiz/A-1291-2012; Nomerotski, Andrei/A-5169-2010; Novaes, Sergio/D-3532-2012; Merkin, Mikhail/D-6809-2012; Leflat, Alexander/D-7284-2012; Dudko, Lev/D-7127-2012; Shivpuri, R K/A-5848-2010; Telford, Paul/B-6253-2011; Gutierrez, Phillip/C-1161-2011; Mercadante, Pedro/K-1918-2012; Yip, Kin/D-6860-2013; Ancu, Lucian Stefan/F-1812-2010; Bargassa, Pedrame/O-2417-2016; De, Kaushik/N-1953-2013; Fisher, Wade/N-4491-2013; Oguri, Vitor/B-5403-2013; Alves, Gilvan/C-4007-2013; Deliot, Frederic/F-3321-2014; Sharyy, Viatcheslav/F-9057-2014; Christoudias, Theodoros/E-7305-2015; KIM, Tae Jeong/P-7848-2015; Guo, Jun/O-5202-2015; Sznajder, Andre/L-1621-2016; Li, Liang/O-1107-2015 OI Mundim, Luiz/0000-0001-9964-7805; Novaes, Sergio/0000-0003-0471-8549; Dudko, Lev/0000-0002-4462-3192; Yip, Kin/0000-0002-8576-4311; Ancu, Lucian Stefan/0000-0001-5068-6723; Bean, Alice/0000-0001-5967-8674; Bargassa, Pedrame/0000-0001-8612-3332; Bertram, Iain/0000-0003-4073-4941; Belanger-Champagne, Camille/0000-0003-2368-2617; De, Kaushik/0000-0002-5647-4489; Sharyy, Viatcheslav/0000-0002-7161-2616; Christoudias, Theodoros/0000-0001-9050-3880; KIM, Tae Jeong/0000-0001-8336-2434; Guo, Jun/0000-0001-8125-9433; Sznajder, Andre/0000-0001-6998-1108; Li, Liang/0000-0001-6411-6107 NR 18 TC 35 Z9 35 U1 0 U2 6 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 1550-7998 J9 PHYS REV D JI Phys. Rev. D PD SEP PY 2007 VL 76 IS 5 AR 057101 DI 10.1103/PhysRevD.76.057101 PG 7 WC Astronomy & Astrophysics; Physics, Particles & Fields SC Astronomy & Astrophysics; Physics GA 215CV UT WOS:000249786800063 ER PT J AU Abouzaid, E Arenton, M Barker, AR Bellantoni, L Blucher, E Bock, GJ Cheu, E Coleman, R Cox, B Erwin, AR Escobar, CO Glazov, A Golossanov, A Gomes, RA Gouffon, P Hsiung, YB Jensen, DA Kessler, R Kim, YJ Kotera, K Ledovskoy, A McBride, PL Monnier, E Nelson, KS Nguyen, H Niclasen, R Phillips, DG Ping, H Ramberg, EJ Ray, RE Ronquest, M Santos, E Slater, W Smith, D Solomey, N Swallow, EC Toale, PA Tschirhart, R Velissaris, C Wah, YW Wang, J White, HB Whitmore, J Wilking, MJ Winston, R Worcester, ET Worcester, M Yamanaka, T Zimmerman, ED Zukanovich, RF AF Abouzaid, E. Arenton, M. Barker, A. R. Bellantoni, L. Blucher, E. Bock, G. J. Cheu, E. Coleman, R. Cox, B. Erwin, A. R. Escobar, C. O. Glazov, A. Golossanov, A. Gomes, R. A. Gouffon, P. Hsiung, Y. B. Jensen, D. A. Kessler, R. Kim, Y. J. Kotera, K. Ledovskoy, A. McBride, P. L. Monnier, E. Nelson, K. S. Nguyen, H. Niclasen, R. Phillips, D. G., II Ping, H. Ramberg, E. J. Ray, R. E. Ronquest, M. Santos, E. Slater, W. Smith, D. Solomey, N. Swallow, E. C. Toale, P. A. Tschirhart, R. Velissaris, C. Wah, Y. W. Wang, J. White, H. B. Whitmore, J. Wilking, M. J. Winston, R. Worcester, E. T. Worcester, M. Yamanaka, T. Zimmerman, E. D. Zukanovich, R. F. TI Measurement of the decay K (L)-> pi(0)e(+)e(-)gamma SO PHYSICAL REVIEW D LA English DT Article AB We report on a new measurement of the branching ratio B(K-L ->pi(0)e(+)e(-)gamma) using the KTeV detector. This analysis uses the full KTeV data set collected from 1997 to 2000. We reconstruct 139 events over a background of 14, which results in B(K-L ->pi(0)e(+)e(-)gamma)=(1.62 +/- 0.14(stat)+/- 0.09(syst))x10(-8). This result supersedes the earlier KTeV measurement of this branching ratio. C1 Univ Colorado, Boulder, CO 80309 USA. Univ Arizona, Tucson, AZ 85721 USA. Univ Calif Los Angeles, Los Angeles, CA 90095 USA. Univ Estadual Campinas, BR-13083970 Campinas, SP, Brazil. Univ Chicago, Enrico Fermi Inst, Chicago, IL 60637 USA. Elmhurst Coll, Elmhurst, NY 60126 USA. Fermilab Natl Accelerator Lab, Batavia, IL 60510 USA. Osaka Univ, Toyonaka, Osaka 5600043, Japan. Rice Univ, Houston, TX 77005 USA. Univ Sao Paulo, BR-05315970 Sao Paulo, Brazil. Univ Virginia, Dept Phys, Charlottesville, VA 22901 USA. Univ Virginia, Inst Nucl & Particle Phys, Charlottesville, VA 22901 USA. Univ Wisconsin, Madison, WI 53706 USA. RP Monnier, E (reprint author), Univ Colorado, Boulder, CO 80309 USA. EM elliott@physics.arizona.edu RI Gomes, Ricardo/B-6899-2008; Zukanovich Funchal, Renata/C-5829-2013; Moura Santos, Edivaldo/K-5313-2016; Gouffon, Philippe/I-4549-2012; Inst. of Physics, Gleb Wataghin/A-9780-2017 OI Gomes, Ricardo/0000-0003-0278-4876; Zukanovich Funchal, Renata/0000-0001-6749-0022; Moura Santos, Edivaldo/0000-0002-2818-8813; Gouffon, Philippe/0000-0001-7511-4115; NR 15 TC 7 Z9 7 U1 0 U2 4 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 1550-7998 J9 PHYS REV D JI Phys. Rev. D PD SEP PY 2007 VL 76 IS 5 AR 052001 DI 10.1103/PhysRevD.76.052001 PG 7 WC Astronomy & Astrophysics; Physics, Particles & Fields SC Astronomy & Astrophysics; Physics GA 215CV UT WOS:000249786800008 ER PT J AU Adamson, P Andreopoulos, C Arms, KE Armstrong, R Auty, DJ Avvakumov, S Ayres, DS Baller, B Barish, B Barnes, PD Barr, G Barrett, WL Beall, E Becker, BR Belias, A Bergfeld, T Bernstein, RH Bhattacharya, D Bishai, M Blake, A Bock, B Bock, GJ Boehm, J Boehnlein, DJ Bogert, D Border, PM Bower, C Buckley-Geer, E Bungau, C Cabrera, A Chapman, JD Cherdack, D Childress, S Choudhary, BC Cobb, JH Culling, AJ de Jong, JK Santo, A Dierckxsens, M Diwan, MV Dorman, M Drakoulakos, D Durkin, T Erwin, AR Escobar, CO Evans, JJ Harris, EF Feldman, GJ Fields, TH Ford, R Frohne, MV Gallagher, HR Giurgiu, GA Godley, A Gogos, J Goodman, MC Gouffon, P Gran, R Grashorn, EW Grossman, N Grzelak, K Habig, A Harris, D Harris, PG Hartnell, J Hartouni, EP Hatcher, R Heller, K Holin, A Howcroft, C Hylen, J Indurthy, D Irwin, GM Ishitsuka, M Jaffe, DE James, C Jenner, L Jensen, D Joffe-Minor, T Kafka, T Kang, HJ Kasahara, SMS Kim, MS Koizumi, G Kopp, S Kordosky, M Koskinen, DJ Kotelnikov, SK Kreymer, A Kumaratunga, S Lang, K Lebedev, A Lee, R Ling, J Liu, J Litchfield, PJ Litchfield, RP Lucas, P Mann, WA Marchionni, A Marino, AD Marshak, ML Marshall, JS Mayer, N McGowan, AM Meier, JR Merzon, GI Messier, MD Michael, DG Milburn, RH Miller, JL Miller, WH Mishra, SR Mislivec, A Miyagawa, PS Moore, CD Morfin, J Mualem, L Mufson, S Murgia, S Musser, J Naples, D Nelson, JK Newman, HB Nichol, RJ Nicholls, TC Ochoa-Ricoux, JP Oliver, WP Osiecki, T Ospanov, R Paley, J Paolone, V Para, A Patzak, T Pavlovic, Z Pearce, GF Peck, CW Peterson, EA Petyt, DA Ping, H Piteira, R Pittam, R Plunkett, RK Rahman, D Rameika, RA Raufer, TM Rebel, B Reichenbacher, J Reyna, DE Rosenfeld, C Rubin, HA Ruddick, K Ryabov, VA Saakyan, R Sanchez, MC Saoulidou, N Schneps, J Schreiner, P Semenov, VK Seun, SM Shanahan, P Smart, W Smirnitsky, V Smith, C Sousa, A Speakman, B Stamoulis, P Symes, PA Tagg, N Talaga, RL Tetteh-Lartey, E Thomas, J Thompson, J Thomson, MA Thron, JL Tinti, G Trostin, I Tsarev, VA Tzanakos, G Urheim, J Vahle, P Velissaris, C Verebryusov, V Viren, B Ward, CP Ward, DR Watabe, M Weber, A Webb, RC Wehmann, A West, N White, C Wojcicki, SG Wright, DM Wu, QK Yang, T Yumiceva, FX Zheng, H Zois, M Zwaska, R AF Adamson, P. Andreopoulos, C. Arms, K. E. Armstrong, R. Auty, D. J. Avvakumov, S. Ayres, D. S. Baller, B. Barish, B. Barnes, P. D., Jr. Barr, G. Barrett, W. L. Beall, E. Becker, B. R. Belias, A. Bergfeld, T. Bernstein, R. H. Bhattacharya, D. Bishai, M. Blake, A. Bock, B. Bock, G. J. Boehm, J. Boehnlein, D. J. Bogert, D. Border, P. M. Bower, C. Buckley-Geer, E. Bungau, C. Cabrera, A. Chapman, J. D. Cherdack, D. Childress, S. Choudhary, B. C. Cobb, J. H. Culling, A. J. de Jong, J. K. De Santo, A. Dierckxsens, M. Diwan, M. V. Dorman, M. Drakoulakos, D. Durkin, T. Erwin, A. R. Escobar, C. O. Evans, J. J. Harris, E. Falk Feldman, G. J. Fields, T. H. Ford, R. Frohne, M. V. Gallagher, H. R. Giurgiu, G. A. Godley, A. Gogos, J. Goodman, M. C. Gouffon, P. Gran, R. Grashorn, E. W. Grossman, N. Grzelak, K. Habig, A. Harris, D. Harris, P. G. Hartnell, J. Hartouni, E. P. Hatcher, R. Heller, K. Holin, A. Howcroft, C. Hylen, J. Indurthy, D. Irwin, G. M. Ishitsuka, M. Jaffe, D. E. James, C. Jenner, L. Jensen, D. Joffe-Minor, T. Kafka, T. Kang, H. J. Kasahara, S. M. S. Kim, M. S. Koizumi, G. Kopp, S. Kordosky, M. Koskinen, D. J. Kotelnikov, S. K. Kreymer, A. Kumaratunga, S. Lang, K. Lebedev, A. Lee, R. Ling, J. Liu, J. Litchfield, P. J. Litchfield, R. P. Lucas, P. Mann, W. A. Marchionni, A. Marino, A. D. Marshak, M. L. Marshall, J. S. Mayer, N. McGowan, A. M. Meier, J. R. Merzon, G. I. Messier, M. D. Michael, D. G. Milburn, R. H. Miller, J. L. Miller, W. H. Mishra, S. R. Mislivec, A. Miyagawa, P. S. Moore, C. D. Morfin, J. Mualem, L. Mufson, S. Murgia, S. Musser, J. Naples, D. Nelson, J. K. Newman, H. B. Nichol, R. J. Nicholls, T. C. Ochoa-Ricoux, J. P. Oliver, W. P. Osiecki, T. Ospanov, R. Paley, J. Paolone, V. Para, A. Patzak, T. Pavlovic, Z. Pearce, G. F. Peck, C. W. Peterson, E. A. Petyt, D. A. Ping, H. Piteira, R. Pittam, R. Plunkett, R. K. Rahman, D. Rameika, R. A. Raufer, T. M. Rebel, B. Reichenbacher, J. Reyna, D. E. Rosenfeld, C. Rubin, H. A. Ruddick, K. Ryabov, V. A. Saakyan, R. Sanchez, M. C. Saoulidou, N. Schneps, J. Schreiner, P. Semenov, V. K. Seun, S. -M. Shanahan, P. Smart, W. Smirnitsky, V. Smith, C. Sousa, A. Speakman, B. Stamoulis, P. Symes, P. A. Tagg, N. Talaga, R. L. Tetteh-Lartey, E. Thomas, J. Thompson, J. Thomson, M. A. Thron, J. L. Tinti, G. Trostin, I. Tsarev, V. A. Tzanakos, G. Urheim, J. Vahle, P. Velissaris, C. Verebryusov, V. Viren, B. Ward, C. P. Ward, D. R. Watabe, M. Weber, A. Webb, R. C. Wehmann, A. West, N. White, C. Wojcicki, S. G. Wright, D. M. Wu, Q. K. Yang, T. Yumiceva, F. X. Zheng, H. Zois, M. Zwaska, R. CA MINOS Collaboration TI Measurement of the atmospheric muon charge ratio at TeV energies with the MINOS detector SO PHYSICAL REVIEW D LA English DT Article ID SEA-LEVEL; SPECTRUM; INTENSITY; RANGE AB The 5.4 kton MINOS far detector has been taking charge-separated cosmic ray muon data since the beginning of August, 2003 at a depth of 2070 m.w.e. in the Soudan Underground Laboratory, Minnesota, USA. The data with both forward and reversed magnetic field running configurations were combined to minimize systematic errors in the determination of the underground muon charge ratio. When averaged, two independent analyses find the charge ratio underground to be N(mu)(+)/N(mu)(-)=1.374 +/- 0.004(stat)(-0.010)(+0.012)(sys). Using the map of the Soudan rock overburden, the muon momenta as measured underground were projected to the corresponding values at the surface in the energy range 1-7 TeV. Within this range of energies at the surface, the MINOS data are consistent with the charge ratio being energy independent at the 2 standard deviation level. When the MINOS results are compared with measurements at lower energies, a clear rise in the charge ratio in the energy range 0.3-1.0 TeV is apparent. A qualitative model shows that the rise is consistent with an increasing contribution of kaon decays to the muon charge ratio. C1 Fermilab Natl Accelerator Lab, Batavia, IL 60510 USA. UCL, Dept Phys & Astron, London WC1E 6BT, England. Rutherford Appleton Lab, Didcot OX11 0QX, Oxon, England. Univ Minnesota, Minneapolis, MN 55455 USA. Indiana Univ, Dept Phys & Astron, Bloomington, IN 47405 USA. Univ Sussex, Dept Phys & Astron, Brighton BN1 9QH, E Sussex, England. Stanford Univ, Dept Phys, Stanford, CA 94305 USA. Argonne Natl Lab, Argonne, IL 60439 USA. CALTECH, Lauritsen Lab, Pasadena, CA 91125 USA. Lawrence Livermore Natl Lab, Livermore, CA 94550 USA. Univ Oxford, Subdept Particle Phys, Oxford OX1 3RH, England. Western Washington Univ, Dept Phys, Bellingham, WA 98225 USA. Univ S Carolina, Dept Phys & Astron, Columbia, SC 29208 USA. Univ Pittsburgh, Dept Phys & Astron, Pittsburgh, PA 15260 USA. Brookhaven Natl Lab, Upton, NY 11973 USA. Univ Cambridge, Cavendish Lab, Cambridge CB3 0HE, England. Univ Minnesota, Dept Phys, Duluth, MN 55812 USA. Harvard Univ, Dept Phys, Cambridge, MA 02138 USA. Tufts Univ, Dept Phys, Medford, MA 02155 USA. IIT, Div Phys, Chicago, IL 60616 USA. Univ Athens, Dept Phys, GR-15771 Athens, Greece. Univ Wisconsin, Dept Phys, Madison, WI 53706 USA. Univ Estadual Campinas, IF, BR-13083970 Campinas, SP, Brazil. Illinois Benedictine Coll, Dept Phys, Lisle, IL 60532 USA. Univ Sao Paulo, Inst Fis, BR-05315970 Sao Paulo, Brazil. Univ Texas, Dept Phys, Austin, TX 78712 USA. PN Lebedev Phys Inst, Dept Phys Nucl, Moscow 117924, Russia. James Madison Univ, Dept Phys, Harrisonburg, VA 22807 USA. Coll William & Mary, Dept Phys, Williamsburg, VA 23187 USA. Coll France, APC, F-75231 Paris 05, France. Inst High Energy Phys, RU-140284 Protvino, Moscow Region, Russia. Inst Theoret & Expt Phys, High Energy Expt Phys Dept, Moscow 117218, Russia. Texas A&M Univ, Dept Phys, College Stn, TX 77843 USA. RI Nichol, Ryan/C-1645-2008; Tinti, Gemma/I-5886-2013; Ryabov, Vladimir/E-1281-2014; Koskinen, David/G-3236-2014; Merzon, Gabriel/N-2630-2015; Evans, Justin/P-4981-2014; Kotelnikov, Sergey/A-9711-2014; Gouffon, Philippe/I-4549-2012; Ling, Jiajie/I-9173-2014; Inst. of Physics, Gleb Wataghin/A-9780-2017; Semenov, Vitaliy/E-9584-2017; OI Hartnell, Jeffrey/0000-0002-1744-7955; Koskinen, David/0000-0002-0514-5917; Evans, Justin/0000-0003-4697-3337; Kotelnikov, Sergey/0000-0002-8027-4612; Gouffon, Philippe/0000-0001-7511-4115; Ling, Jiajie/0000-0003-2982-0670; Bernstein, Robert/0000-0002-7610-950X; Cherdack, Daniel/0000-0002-3829-728X; Weber, Alfons/0000-0002-8222-6681; Hartouni, Edward/0000-0001-9869-4351 NR 38 TC 41 Z9 41 U1 0 U2 9 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 1550-7998 J9 PHYS REV D JI Phys. Rev. D PD SEP PY 2007 VL 76 IS 5 AR 052003 DI 10.1103/PhysRevD.76.052003 PG 16 WC Astronomy & Astrophysics; Physics, Particles & Fields SC Astronomy & Astrophysics; Physics GA 215CV UT WOS:000249786800010 ER PT J AU Adare, A Afanasiev, S Aidala, C Ajitanand, NN Akiba, Y Al-Bataineh, H Alexander, J Aoki, K Aphecetche, L Armendariz, R Aronson, SH Asai, J Atomssa, ET Averbeck, R Awes, TC Azmoun, B Babintsev, V Baksay, G Baksay, L Baldisseri, A Barish, KN Barnes, PD Bassalleck, B Bathe, S Batsouli, S Baublis, V Bazilevsky, A Belikov, S Bennett, R Berdnikov, Y Bickley, AA Boissevain, JG Borel, H Boyle, K Brooks, ML Buesching, H Bumazhnov, V Bunce, G Butsyk, S Campbell, S Chang, BS Charvet, JL Chernichenko, S Chiba, J Chi, CY Chiu, M Choi, IJ Chujo, T Chung, P Churyn, A Cianciolo, V Cleven, CR Cole, BA Comets, MP Constantin, P Csanad, M Csorgo, T Dahms, T Das, K David, G Deaton, MB Dehmelt, K Delagrange, H Denisov, A d'Enterria, D Deshpande, A Desmond, EJ Dietzsch, O Dion, A Donadelli, M Drapier, O Drees, A Dubey, AK Durum, A Dzhordzhadze, V Efremenko, YV Egdemir, J Ellinghaus, F Emam, WS Enokizono, A En'yo, H Esumi, S Eyser, KO Fields, DE Finger, M Finger, M Fleuret, F Fokin, SL Fraenkel, Z Frantz, JE Franz, A Frawley, AD Fujiwara, K Fukao, Y Fusayasu, T Gadrat, S Garishvili, I Glenn, A Gong, H Gonin, M Gosset, J Goto, Y De Cassagnac, RG Grau, N Greene, SV Perdekamp, MG Gunji, T Gustafsson, HA Hachiya, T Henni, AH Haegemann, C Haggerty, JS Hamagaki, H Han, R Harada, H Hartouni, EP Haruna, K Haslum, E Hayano, R Heffner, M Hemmick, TK Hester, T He, X Hiejima, H Hill, JC Hobbs, R Hohlmann, M Holzmann, W Homma, K Hong, B Horaguchi, T Hornback, D Ichihara, T Imai, K Inaba, M Inoue, Y Isenhower, D Isenhower, L Ishihara, M Isobe, T Issah, M Isupov, A Jacak, BV Jia, J Jin, J Jinnouchi, O Johnson, BM Joo, KS Jouan, D Kajihara, F Kametani, S Kamihara, N Kamin, J Kaneta, M Kang, JH Kanou, H Kawall, D Kazantsev, AV Khanzadeev, A Kikuchi, J Kim, DH Kim, DJ Kim, E Kinney, E Kiss, A Kistenev, E Kiyomichi, A Klay, J Klein-Boesing, C Kochenda, L Kochetkov, V Komkov, B Konno, M Kotchetkov, D Kozlov, A Kral, A Kravitz, A Kubart, J Kunde, GJ Kurita, NKK Kweon, MJ Kwon, Y Kyle, GS Lacey, R Lai, YS Lajoie, JG Lebedev, A Lee, DM Lee, MK Lee, T Leitch, MJ Leite, MAL Lenzi, B Liska, T Litvinenko, A Liu, MX Li, X Love, B Lynch, D Maguire, CF Makdisi, YI Malakhov, A Malik, MD Manko, VI Mao, Y Masek, L Masui, H Matathias, F McCumber, M McGaughey, PL Miake, Y Mikes, P Miki, K Miller, TE Milov, A Mioduszewski, S Mishra, M Mitchell, JT Mitrovski, M Morreale, A Morrison, DP Moukhanova, TV Mukhopadhyay, D Murata, J Nagamiya, S Nagata, Y Nagle, JL Naglis, M Nakagawa, I Nakamiya, Y Nakamura, T Nakano, K Newby, J Nguyen, M Norman, BE Nyanin, AS O'Brien, E Oda, SX Ogilvie, CA Ohnishi, H Okada, H Okada, K Oka, M Omiwade, OO Oskarsson, A Ouchida, M Ozawa, K Pak, R Pal, D Palounek, APT Pantuev, V Papavassiliou, V Park, J Park, WJ Pate, SF Pei, H Peng, JC Pereira, H Peresedov, V Peressounko, DY Pinkenburg, C Purschke, ML Purwar, AK Qu, H Rak, J Rakotozafindrabe, A Ravinovich, I Read, KF Rembeczki, S Reuter, M Reygers, K Riabov, V Riabov, Y Roche, G Romana, A Rosati, M Rosendahl, SSE Rosnet, P Rukoyatkin, P Rykov, VL Sahlmueller, B Saito, N Sakaguchi, T Sakai, S Sakata, H Samsonov, V Sato, S Sawada, S Seele, J Seidl, R Semenov, V Seto, R Sharma, D Shein, I Shevel, A Shibata, TA Shigaki, K Shimomura, M Shoji, K Sickles, A Silva, CL Silvermyr, D Silvestre, C Sim, KS Singh, CP Singh, V Skutnik, S Slunecka, M Soldatov, A Soltz, RA Sondheim, WE Sorensen, SP Sourikova, IV Staley, F Stankus, PW Stenlund, E Stepanov, M Ster, A Stoll, SP Sugitate, T Suire, C Sziklai, J Tabaru, T Takagi, S Takagui, EM Taketani, A Tanaka, Y Tanida, K Tannenbaum, MJ Taranenko, A Tarjan, P Thomas, TL Togawa, M Toia, A Tojo, J Tomasek, L Torii, H Towell, RS Tram, VN Tserruya, I Tsuchimoto, Y Vale, C Valle, H van Hecke, HW Velkovska, J Vertesi, R Vinogradov, AA Virius, M Vrba, V Vznuzdaev, E Wagner, M Walker, D Wang, XR Watanabe, Y Wessels, J White, N Winter, D Woody, CL Wysocki, M Xie, W Yamaguchi, Y Yanovich, A Yasin, Z Ying, J Yokkaichi, S Young, GR Younus, I Yushmanov, IE Zajc, WA Zaudtke, O Zhang, C Zhou, S Zimanyi, J Zolin, L AF Adare, A. Afanasiev, S. Aidala, C. Ajitanand, N. N. Akiba, Y. Al-Bataineh, H. Alexander, J. Aoki, K. Aphecetche, L. Armendariz, R. Aronson, S. H. Asai, J. Atomssa, E. T. Averbeck, R. Awes, T. C. Azmoun, B. Babintsev, V. Baksay, G. Baksay, L. Baldisseri, A. Barish, K. N. Barnes, P. D. Bassalleck, B. Bathe, S. Batsouli, S. Baublis, V. Bazilevsky, A. Belikov, S. Bennett, R. Berdnikov, Y. Bickley, A. A. Boissevain, J. G. Borel, H. Boyle, K. Brooks, M. L. Buesching, H. Bumazhnov, V. Bunce, G. Butsyk, S. Campbell, S. Chang, B. S. Charvet, J. -L. Chernichenko, S. Chiba, J. Chi, C. Y. Chiu, M. Choi, I. J. Chujo, T. Chung, P. Churyn, A. Cianciolo, V. Cleven, C. R. Cole, B. A. Comets, M. P. Constantin, P. Csanad, M. Csorgo, T. Dahms, T. Das, K. David, G. Deaton, M. B. Dehmelt, K. Delagrange, H. Denisov, A. d'Enterria, D. Deshpande, A. Desmond, E. J. Dietzsch, O. Dion, A. Donadelli, M. Drapier, O. Drees, A. Dubey, A. K. Durum, A. Dzhordzhadze, V. Efremenko, Y. V. Egdemir, J. Ellinghaus, F. Emam, W. S. Enokizono, A. En'yo, H. Esumi, S. Eyser, K. O. Fields, D. E. Finger, M. Finger, M., Jr. Fleuret, F. Fokin, S. L. Fraenkel, Z. Frantz, J. E. Franz, A. Frawley, A. D. Fujiwara, K. Fukao, Y. Fusayasu, T. Gadrat, S. Garishvili, I. Glenn, A. Gong, H. Gonin, M. Gosset, J. Goto, Y. De Cassagnac, R. Granier Grau, N. Greene, S. V. Perdekamp, M. Grosse Gunji, T. Gustafsson, H. -A. Hachiya, T. Henni, A. Hadj Haegemann, C. Haggerty, J. S. Hamagaki, H. Han, R. Harada, H. Hartouni, E. P. Haruna, K. Haslum, E. Hayano, R. Heffner, M. Hemmick, T. K. Hester, T. He, X. Hiejima, H. Hill, J. C. Hobbs, R. Hohlmann, M. Holzmann, W. Homma, K. Hong, B. Horaguchi, T. Hornback, D. Ichihara, T. Imai, K. Inaba, M. Inoue, Y. Isenhower, D. Isenhower, L. Ishihara, M. Isobe, T. Issah, M. Isupov, A. Jacak, B. V. Jia, J. Jin, J. Jinnouchi, O. Johnson, B. M. Joo, K. S. Jouan, D. Kajihara, F. Kametani, S. Kamihara, N. Kamin, J. Kaneta, M. Kang, J. H. Kanou, H. Kawall, D. Kazantsev, A. V. Khanzadeev, A. Kikuchi, J. Kim, D. H. Kim, D. J. Kim, E. Kinney, E. Kiss, A. Kistenev, E. Kiyomichi, A. Klay, J. Klein-Boesing, C. Kochenda, L. Kochetkov, V. Komkov, B. Konno, M. Kotchetkov, D. Kozlov, A. Kral, A. Kravitz, A. Kubart, J. Kunde, G. J. Kurita, N. Kurihara K. Kweon, M. J. Kwon, Y. Kyle, G. S. Lacey, R. Lai, Y. -S. Lajoie, J. G. Lebedev, A. Lee, D. M. Lee, M. K. Lee, T. Leitch, M. J. Leite, M. A. L. Lenzi, B. Liska, T. Litvinenko, A. Liu, M. X. Li, X. Love, B. Lynch, D. Maguire, C. F. Makdisi, Y. I. Malakhov, A. Malik, M. D. Manko, V. I. Mao, Y. Masek, L. Masui, H. Matathias, F. McCumber, M. McGaughey, P. L. Miake, Y. Mikes, P. Miki, K. Miller, T. E. Milov, A. Mioduszewski, S. Mishra, M. Mitchell, J. T. Mitrovski, M. Morreale, A. Morrison, D. P. Moukhanova, T. V. Mukhopadhyay, D. Murata, J. Nagamiya, S. Nagata, Y. Nagle, J. L. Naglis, M. Nakagawa, I. Nakamiya, Y. Nakamura, T. Nakano, K. Newby, J. Nguyen, M. Norman, B. E. Nyanin, A. S. O'Brien, E. Oda, S. X. Ogilvie, C. A. Ohnishi, H. Okada, H. Okada, K. Oka, M. Omiwade, O. O. Oskarsson, A. Ouchida, M. Ozawa, K. Pak, R. Pal, D. Palounek, A. P. T. Pantuev, V. Papavassiliou, V. Park, J. Park, W. J. Pate, S. F. Pei, H. Peng, J. -C. Pereira, H. Peresedov, V. Peressounko, D. Yu. Pinkenburg, C. Purschke, M. L. Purwar, A. K. Qu, H. Rak, J. Rakotozafindrabe, A. Ravinovich, I. Read, K. F. Rembeczki, S. Reuter, M. Reygers, K. Riabov, V. Riabov, Y. Roche, G. Romana, A. Rosati, M. Rosendahl, S. S. E. Rosnet, P. Rukoyatkin, P. Rykov, V. L. Sahlmueller, B. Saito, N. Sakaguchi, T. Sakai, S. Sakata, H. Samsonov, V. Sato, S. Sawada, S. Seele, J. Seidl, R. Semenov, V. Seto, R. Sharma, D. Shein, I. Shevel, A. Shibata, T. -A. Shigaki, K. Shimomura, M. Shoji, K. Sickles, A. Silva, C. L. Silvermyr, D. Silvestre, C. Sim, K. S. Singh, C. P. Singh, V. Skutnik, S. Slunecka, M. Soldatov, A. Soltz, R. A. Sondheim, W. E. Sorensen, S. P. Sourikova, I. V. Staley, F. Stankus, P. W. Stenlund, E. Stepanov, M. Ster, A. Stoll, S. P. Sugitate, T. Suire, C. Sziklai, J. Tabaru, T. Takagi, S. Takagui, E. M. Taketani, A. Tanaka, Y. Tanida, K. Tannenbaum, M. J. Taranenko, A. Tarjan, P. Thomas, T. L. Togawa, M. Toia, A. Tojo, J. Tomasek, L. Torii, H. Towell, R. S. Tram, V-N. Tserruya, I. Tsuchimoto, Y. Vale, C. Valle, H. van Hecke, H. W. Velkovska, J. Vertesi, R. Vinogradov, A. A. Virius, M. Vrba, V. Vznuzdaev, E. Wagner, M. Walker, D. Wang, X. R. Watanabe, Y. Wessels, J. White, N. Winter, D. Woody, C. L. Wysocki, M. Xie, W. Yamaguchi, Y. Yanovich, A. Yasin, Z. Ying, J. Yokkaichi, S. Young, G. R. Younus, I. Yushmanov, I. E. Zajc, W. A. Zaudtke, O. Zhang, C. Zhou, S. Zimanyi, J. Zolin, L. CA PHENIX Collaboration TI Inclusive cross section and double helicity asymmetry for pi(0) production in p+p collisions at root s=200 GeV: Implications for the polarized gluon distribution in the proton SO PHYSICAL REVIEW D LA English DT Article ID SPIN ASYMMETRY; SCATTERING; PHOTOPRODUCTION; CALORIMETER AB The PHENIX experiment presents results from the Relativistic Heavy Ion Collider 2005 run with polarized proton collisions at root s=200 GeV, for inclusive pi(0) production at midrapidity. Unpolarized cross section results are given for transverse momenta p(T)=0.5 to 20 GeV/c, extending the range of published data to both lower and higher p(T). The cross section is described well for p(T)< 1 GeV/c by an exponential in p(T), and, for p(T)> 2 GeV/c, by perturbative QCD. Double helicity asymmetries A(LL) are presented based on a factor of 5 improvement in uncertainties as compared to previously published results, due to both an improved beam polarization of 50%, and to higher integrated luminosity. These measurements are sensitive to the gluon polarization in the proton. Using one representative model of gluon polarization it is demonstrated that the gluon spin contribution to the proton spin is significantly constrained. C1 Abilene Christian Univ, Abilene, TX 79699 USA. Banaras Hindu Univ, Dept Phys, Varanasi 221005, Uttar Pradesh, India. Brookhaven Natl Lab, Upton, NY 11973 USA. Univ Calif Riverside, Riverside, CA 92521 USA. Charles Univ Prague, CR-11636 Prague, Czech Republic. CIAE, Beijing, Peoples R China. Univ Tokyo, Grad Sch Sci, Ctr Nucl Study, Bunkyo Ku, Tokyo 1130033, Japan. Univ Colorado, Boulder, CO 80309 USA. Columbia Univ, New York, NY 10027 USA. Nevis Labs, Irvington, NY 10533 USA. Czech Tech Univ, CR-16636 Prague 6, Czech Republic. CEA Saclay, F-91191 Gif Sur Yvette, France. Debrecen Univ, H-4010 Debrecen, Hungary. Eotvos Lorand Univ, ELTE, H-1117 Budapest, Hungary. Florida Inst Technol, Melbourne, FL 32901 USA. Florida State Univ, Tallahassee, FL 32306 USA. Georgia State Univ, Atlanta, GA 30303 USA. Hiroshima Univ, Higashihiroshima 7398526, Japan. Inst High Energy Phys, State Res Ctr Russian Federat, IHEP Protvino, Protvino 142281, Russia. Univ Illinois, Urbana, IL 61801 USA. Acad Sci Czech Republic, Inst Phys, CR-18221 Prague, Czech Republic. Iowa State Univ, Ames, IA 50011 USA. Joint Nucl Res Inst, Dubna 141980, Moscow Region, Russia. High Energy Accelerator Res Org, KEK, Tsukuba, Ibaraki 3050801, Japan. Hungarian Acad Sci, KFKI Res Inst Particle & Nucl Phys, MTA RMKI, H-1525 Budapest, Hungary. Korea Univ, Seoul 136701, South Korea. Russian Res Ctr, Kurchatov Inst, Moscow, Russia. Kyoto Univ, Kyoto 6068502, Japan. Ecole Polytech, Lab Leprince Ringuet, CNRS, IN2P3, F-91128 Palaiseau, France. Lawrence Livermore Natl Lab, Livermore, CA 94550 USA. Los Alamos Natl Lab, Los Alamos, NM 87545 USA. Univ Clermont Ferrand, LPC, CNRS, IN2P3, F-63177 Clermont Ferrand, France. Lund Univ, Dept Phys, SE-22100 Lund, Sweden. Univ Munster, Inst Kernphys, D-48149 Munster, Germany. Myongji Univ, Kyonggi Do 449728, South Korea. Nagasaki Inst Appl Sci, Nagasaki Univ, Nagasaki 8510193, Japan. Univ New Mexico, Albuquerque, NM 87131 USA. New Mexico State Univ, Las Cruces, NM 88003 USA. Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA. Univ Paris 11, IPN Orsay, CNRS, IN2P3, F-91406 Orsay, France. Peking Univ, Beijing 100871, Peoples R China. PNPI, Gatchina 188300, Leningrad Regio, Russia. RIKEN, Inst Phys & Chem Res, Wako, Saitama 3510198, Japan. Brookhaven Natl Lab, RIKEN, BNL Res Ctr, Upton, NY 11973 USA. Rikkyo Univ, Dept Phys, Toshima Ku, Tokyo 1718501, Japan. St Petersburg State Polytechn Univ, St Petersburg, Russia. Univ Sao Paulo, Inst Fis, BR-05315970 Sao Paulo, Brazil. Seoul Natl Univ, Syst Elect Lab, Seoul 151, South Korea. SUNY Stony Brook, Dept Chem, Stony Brook, NY 11794 USA. SUNY Stony Brook, Dept Phys & Astron, Stony Brook, NY 11794 USA. Univ Nantes, SUBATECH Ecole Mines Nantes, CNRS, IN2P3, F-44307 Nantes, France. Univ Tennessee, Knoxville, TN 37996 USA. Tokyo Inst Technol, Dept Phys, Meguro Ku, Tokyo 1528551, Japan. Univ Tsukuba, Inst Phys, Tsukuba, Ibaraki 305, Japan. Vanderbilt Univ, Nashville, TN 37235 USA. Waseda Univ, Adv Res Inst Sci & Engn, Shinjuku Ku, Tokyo 1620044, Japan. Weizmann Inst Sci, IL-76100 Rehovot, Israel. Yonsei Univ, IPAP, Seoul 120749, South Korea. RP Adare, A (reprint author), Abilene Christian Univ, Abilene, TX 79699 USA. RI seto, richard/G-8467-2011; Yokkaichi, Satoshi/C-6215-2017; Taketani, Atsushi/E-1803-2017; Semenov, Vitaliy/E-9584-2017; Csanad, Mate/D-5960-2012; Csorgo, Tamas/I-4183-2012; YANG, BOGEUM/I-8251-2012; Tomasek, Lukas/G-6370-2014; En'yo, Hideto/B-2440-2015; Hayano, Ryugo/F-7889-2012; HAMAGAKI, HIDEKI/G-4899-2014; Durum, Artur/C-3027-2014; Sorensen, Soren /K-1195-2016; OI Taketani, Atsushi/0000-0002-4776-2315; Tomasek, Lukas/0000-0002-5224-1936; Hayano, Ryugo/0000-0002-1214-7806; Sorensen, Soren /0000-0002-5595-5643; Campbell, Sarah/0000-0001-6717-9744; Csorgo, Tamas/0000-0002-9110-9663 NR 37 TC 150 Z9 150 U1 7 U2 16 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 1550-7998 J9 PHYS REV D JI Phys. Rev. D PD SEP PY 2007 VL 76 IS 5 AR 051106 DI 10.1103/PhysRevD.76.051106 PG 7 WC Astronomy & Astrophysics; Physics, Particles & Fields SC Astronomy & Astrophysics; Physics GA 215CV UT WOS:000249786800006 ER PT J AU Alwall, J Rainwater, D Plehn, T AF Alwall, Johan Rainwater, Dave Plehn, Tilman TI Same-sign charginos and majorana neutralinos at the CERN LHC SO PHYSICAL REVIEW D LA English DT Article ID HADRON COLLIDERS; SUPERSYMMETRIC PARTICLES; COLLISIONS; DECAYS AB We demonstrate the possibility of studying weakly interacting new particles in weak-boson fusion, using the example of supersymmetric same-sign charginos. This signal could establish the existence of Majorana neutralinos and give access to their electroweak couplings. It can be observed over (supersymmetric) QCD backgrounds provided the charginos are light and not too close to the squark mass. We finally show how same-sign fermion production can be distinguished from same-sign scalars or vectors arising in other models of new physics. C1 Stanford Linear Accelerator Ctr, Menlo Pk, CA USA. Univ Rochester, Dept Phys & Astron, Rochester, NY USA. Univ Edinburgh, SUPA, Sch Phys, Edinburgh EH8 9YL, Midlothian, Scotland. RP Alwall, J (reprint author), Stanford Linear Accelerator Ctr, Menlo Pk, CA USA. EM alwall@slac.stanford.edu; rain@pas.rochester.edu; tilman.plehn@cern.ch OI rainwater, david/0000-0002-3668-4331 NR 60 TC 11 Z9 11 U1 0 U2 0 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 1550-7998 J9 PHYS REV D JI Phys. Rev. D PD SEP PY 2007 VL 76 IS 5 AR 055006 DI 10.1103/PhysRevD.76.055006 PG 9 WC Astronomy & Astrophysics; Physics, Particles & Fields SC Astronomy & Astrophysics; Physics GA 215CV UT WOS:000249786800048 ER PT J AU Aoki, S Fukaya, H Hashimoto, S Onogi, T AF Aoki, Sinya Fukaya, Hidenori Hashimoto, Shoji Onogi, Tetsuya TI Finite volume QCD at fixed topological charge SO PHYSICAL REVIEW D LA English DT Article ID HYBRID MONTE-CARLO; MODES AB In finite volume the partition function of QCD with a given theta is a sum of different topological sectors with a weight primarily determined by the topological susceptibility. If a physical observable is evaluated only in a fixed topological sector, the result deviates from the true expectation value by an amount proportional to the inverse space-time volume 1/V. Using the saddle point expansion, we derive formulas to express the correction due to the fixed topological charge in terms of a 1/V expansion. Applying this formula, we propose a class of methods to determine the topological susceptibility in QCD from various correlation functions calculated in a fixed topological sector. C1 Univ Tsukuba, Grad Sch Pure & Appl Sci, Tsukuba, Ibaraki 3058571, Japan. Brookhaven Natl Lab, Riken BNL Res Ctr, Upton, NY 11973 USA. RIKEN, Theoret Phys Lab, Wako, Saitama 3510198, Japan. High Energy Accelerator Res Org, KEK, Tsukuba, Ibaraki 3050801, Japan. Grad Univ Adv Studies Sokendai, Sch High Energy Accelerator Sci, Tsukuba, Ibaraki 3050801, Japan. Kyoto Univ, Yukawa Inst Theoret Phys, Kyoto 6068502, Japan. RP Aoki, S (reprint author), Univ Tsukuba, Grad Sch Pure & Appl Sci, Tsukuba, Ibaraki 3058571, Japan. NR 22 TC 64 Z9 64 U1 0 U2 0 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 1550-7998 J9 PHYS REV D JI Phys. Rev. D PD SEP PY 2007 VL 76 IS 5 AR 054508 DI 10.1103/PhysRevD.76.054508 PG 11 WC Astronomy & Astrophysics; Physics, Particles & Fields SC Astronomy & Astrophysics; Physics GA 215CV UT WOS:000249786800040 ER PT J AU Arvanitaki, A Dimopoulos, S Pierce, A Rajendran, S Wacker, J AF Arvanitaki, A. Dimopoulos, S. Pierce, A. Rajendran, S. Wacker, J. TI Stopping gluinos SO PHYSICAL REVIEW D LA English DT Article ID SPLIT SUPERSYMMETRY; PARTON DISTRIBUTIONS; PHYSICS; COLLIDERS AB Long-lived gluinos are the trademark of split supersymmetry. They form R-hadrons that, when charged, efficiently lose energy in matter via ionization. Independent of R-spectroscopy and initial hadronization, a fraction of R-hadrons become charged while traversing a detector. This results in a large number of stopped gluinos at present and future detectors. For a 300 GeV gluino, 10(6) will stop each year in LHC detectors, while several hundred stop in detectors during Run II at the Tevatron. The subsequent decays of stopped gluinos produce distinctive depositions of energy in calorimeters with no activity in either the tracker or the muon chamber. The gluino lifetime can be determined by looking for events where both gluinos stop and subsequently decay. C1 Stanford Univ, Dept Phys, Stanford, CA 94305 USA. Stanford Univ, SLAC, Stanford, CA 94309 USA. RP Arvanitaki, A (reprint author), Stanford Univ, Dept Phys, Stanford, CA 94305 USA. NR 39 TC 56 Z9 56 U1 0 U2 1 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 2470-0010 EI 2470-0029 J9 PHYS REV D JI Phys. Rev. D PD SEP PY 2007 VL 76 IS 5 AR 055007 DI 10.1103/PhysRevD.76.055007 PG 10 WC Astronomy & Astrophysics; Physics, Particles & Fields SC Astronomy & Astrophysics; Physics GA 215CV UT WOS:000249786800049 ER PT J AU Aubert, B Bona, M Boutigny, D Karyotakis, Y Lees, JP Poireau, V Prudent, X Tisserand, V Zghiche, A Tico, JG Grauges, E Lopez, L Palano, A Eigen, G Ofte, I Stugu, B Sun, L Abrams, GS Battaglia, M Brown, DN Button-Shafer, J Cahn, RN Groysman, Y Jacobsen, RG Kadyk, JA Kerth, LT Kolomensky, YG Kukartsev, G Pegna, DL Lynch, G Mir, LM Orimoto, TJ Pripstein, M Roe, NA Ronan, MT Tackmann, K Wenzel, WA Sanchez, PD Hawkes, CM Watson, AT Held, T Koch, H Lewandowski, B Pelizaeus, M Schroeder, T Steinke, M Cottingham, WN Walker, D Asgeirsson, DJ Cuhadar-Donszelmann, T Fulsom, BG Hearty, C Knecht, NS Mattison, TS McKenna, JA Khan, A Saleem, M Teodorescu, L Blinov, VE Bukin, AD Druzhinin, VP Golubev, VB Onuchin, AP Serednyakov, SI Skovpen, YI Solodov, EP Todyshev, KY Bondioli, M Curry, S 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Lanceri, L. Vitale, L. Azzolini, V. Lopez-March, N. Martinez-Vidal, F. Milanes, D. A. Oyanguren, A. Albert, J. Banerjee, Sw. Bhuyan, B. Hamano, K. Kowalewski, R. Nugent, I. M. Roney, J. M. Sobie, R. J. Back, J. J. Harrison, P. F. Latham, T. E. Mohanty, G. B. Pappagallo, M. Band, H. R. Chen, X. Dasu, S. Flood, K. T. Hollar, J. J. Kutter, P. E. Pan, Y. Pierini, M. Prepost, R. Wu, S. L. Yu, Z. Neal, H. CA BABAR Collaboration TI Study of B-0 -> rho(+)rho(-) decays and constraints on the CKM angle alpha SO PHYSICAL REVIEW D LA English DT Article ID MODEL CP-VIOLATION; B-MESON DECAYS; QCD FACTORIZATION; BARYON ASYMMETRY; FINAL-STATES; FACTORIES; MATRIX; QUARK AB We present results from an analysis of B-0 ->rho(+)rho(-) decays using (383.6 +/- 4.2)x10(6) B (B) over bar pairs collected by the BABAR detector at the PEP-II asymmetric-energy B factory at SLAC. The measurements of the B-0 ->rho(+)rho(-) branching fraction, longitudinal polarization fraction f(L), and the CP-violating parameters S-long and C-long are as follows: B(B-0 ->rho(+)rho(-))=(25.5 +/- 2.1(stat)(-3.9)(+3.6)(syst))x10(-6), f(L)=0.992 +/- 0.024(stat)(-0.013)(+0.026)(syst), S-long=-0.17 +/- 0.20(stat)(-0.06)(+0.05)(syst), C-long=0.01 +/- 0.15(stat)+/- 0.06(syst). We determine the unitarity triangle angle alpha, using an isospin analysis of B ->rho rho decays. One of the two solutions, alpha=[73.1,117.0]degrees at 68% confidence level, is compatible with standard model-based fits of existing data. Constraints on the unitarity triangle are also evaluated using an SU(3) symmetry-based approach. C1 CNRS, IN2P3, Phys Particules Lab, F-74941 Annecy Le Vieux, France. Univ Savoie, F-74941 Annecy Le Vieux, France. Univ Barcelona, Fac Fis, Dept ECM, E-08028 Barcelona, Spain. Univ Bari, Dipartmento Fis, I-70126 Bari, Italy. Ist Nazl Fis Nucl, I-70126 Bari, Italy. 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Univ Liverpool, Liverpool L69 7ZE, Merseyside, England. Queen Mary Univ London, London E1 4NS, England. Univ London Royal Holloway & Bedford New Coll, Egham TW20 0EX, Surrey, England. Univ Louisville, Louisville, KY 40292 USA. Univ Manchester, Manchester M13 9PL, Lancs, England. Univ Maryland, College Pk, MD 20742 USA. Univ Massachusetts, Amherst, MA 01003 USA. MIT, Nucl Sci Lab, Cambridge, MA 02139 USA. McGill Univ, Montreal, PQ H3A 2T8, Canada. Univ Milan, Dipartimento Fis, I-20133 Milan, Italy. Ist Nazl Fis Nucl, I-20133 Milan, Italy. Univ Mississippi, University, MS 38677 USA. Univ Montreal, Montreal, PQ H3C 3J7, Canada. Mt Holyoke Coll, S Hadley, MA 01075 USA. Univ Naples Federico II, Dipartimento Sci Fisiche, I-80126 Naples, Italy. Ist Nazl Fis Nucl, I-80126 Naples, Italy. NIKHEF H, NL-1009 DB Amsterdam, Netherlands. Univ Notre Dame, Notre Dame, IN 46556 USA. Ohio State Univ, Columbus, OH 43210 USA. Univ Oregon, Eugene, OR 97403 USA. Univ Padua, Dipartimento Fis, I-35131 Padua, Italy. Ist Nazl Fis Nucl, I-35131 Padua, Italy. Univ Paris 06, IN2P3, Lab Phys Nucl & Hautes Energies, CNRS, F-75252 Paris, France. Univ Paris 07, F-75252 Paris, France. Univ Penn, Philadelphia, PA 19104 USA. Univ Perugia, Dipartimento Fis, I-06100 Perugia, Italy. Ist Nazl Fis Nucl, I-06100 Perugia, Italy. Univ Pisa, Dipartimento Fis, Scuola Normale Super Pisa, I-56127 Pisa, Italy. Ist Nazl Fis Nucl, I-56127 Pisa, Italy. Prairie View A&M Univ, Prairie View, TX 77446 USA. Princeton Univ, Princeton, NJ 08544 USA. Univ Roma La Sapienza, Dipartimento Fis, I-00185 Rome, Italy. Ist Nazl Fis Nucl, I-00185 Rome, Italy. Univ Rostock, D-18051 Rostock, Germany. Rutherford Appleton Lab, Didcot OX11 0QX, Oxon, England. CEA Saclay, DSM Dapnia, F-91191 Gif Sur Yvette, France. Univ S Carolina, Columbia, SC 29208 USA. Stanford Linear Accelerator Ctr, Stanford, CA 94309 USA. Stanford Univ, Stanford, CA 94305 USA. SUNY Albany, Albany, NY 12222 USA. Univ Tennessee, Knoxville, TN 37996 USA. Univ Texas, Austin, TX 78712 USA. Univ Texas, Richardson, TX 75083 USA. Univ Turin, Dipartimento Fis Sperimentale, I-10125 Turin, Italy. Ist Nazl Fis Nucl, I-10125 Turin, Italy. Univ Trieste, Dipartimento Fis, I-34127 Trieste, Italy. Ist Nazl Fis Nucl, I-34127 Trieste, Italy. Univ Valencia, CSIC, IFIC, E-46071 Valencia, Spain. Univ Victoria, Victoria, BC V8W 3P6, Canada. Univ Warwick, Dept Phys, Coventry CV4 7AL, W Midlands, England. Univ Wisconsin, Madison, WI 53706 USA. Yale Univ, New Haven, CT 06511 USA. Univ Perugia, Dipartimento Fis, I-06100 Perugia, Italy. Univ Basilicata, I-85100 Potenza, Italy. Univ Durham, Dept Phys, IPPP, Durham DH1 3LE, England. RP Aubert, B (reprint author), CNRS, IN2P3, Phys Particules Lab, F-74941 Annecy Le Vieux, France. RI Calcaterra, Alessandro/P-5260-2015; Frey, Raymond/E-2830-2016; Oyanguren, Arantza/K-6454-2014; Luppi, Eleonora/A-4902-2015; Calabrese, Roberto/G-4405-2015; Mir, Lluisa-Maria/G-7212-2015; Martinez Vidal, F*/L-7563-2014; Kolomensky, Yury/I-3510-2015; Lo Vetere, Maurizio/J-5049-2012; Lusiani, Alberto/N-2976-2015; Morandin, Mauro/A-3308-2016; Lusiani, Alberto/A-3329-2016; Di Lodovico, Francesca/L-9109-2016; Pappagallo, Marco/R-3305-2016; Della Ricca, Giuseppe/B-6826-2013; Saeed, Mohammad Alam/J-7455-2012; Negrini, Matteo/C-8906-2014; Monge, Maria Roberta/G-9127-2012; Lista, Luca/C-5719-2008; Bellini, Fabio/D-1055-2009; Roe, Natalie/A-8798-2012; Neri, Nicola/G-3991-2012; Forti, Francesco/H-3035-2011; Rotondo, Marcello/I-6043-2012; Patrignani, Claudia/C-5223-2009; de Sangro, Riccardo/J-2901-2012 OI Calcaterra, Alessandro/0000-0003-2670-4826; Frey, Raymond/0000-0003-0341-2636; Raven, Gerhard/0000-0002-2897-5323; Oyanguren, Arantza/0000-0002-8240-7300; Luppi, Eleonora/0000-0002-1072-5633; Calabrese, Roberto/0000-0002-1354-5400; Mir, Lluisa-Maria/0000-0002-4276-715X; Martinez Vidal, F*/0000-0001-6841-6035; Kolomensky, Yury/0000-0001-8496-9975; Lo Vetere, Maurizio/0000-0002-6520-4480; Lusiani, Alberto/0000-0002-6876-3288; Morandin, Mauro/0000-0003-4708-4240; Lusiani, Alberto/0000-0002-6876-3288; Di Lodovico, Francesca/0000-0003-3952-2175; Pappagallo, Marco/0000-0001-7601-5602; Della Ricca, Giuseppe/0000-0003-2831-6982; Saeed, Mohammad Alam/0000-0002-3529-9255; Negrini, Matteo/0000-0003-0101-6963; Monge, Maria Roberta/0000-0003-1633-3195; Bellini, Fabio/0000-0002-2936-660X; Neri, Nicola/0000-0002-6106-3756; Forti, Francesco/0000-0001-6535-7965; Rotondo, Marcello/0000-0001-5704-6163; Patrignani, Claudia/0000-0002-5882-1747; de Sangro, Riccardo/0000-0002-3808-5455 NR 64 TC 50 Z9 50 U1 0 U2 7 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 1550-7998 J9 PHYS REV D JI Phys. Rev. D PD SEP PY 2007 VL 76 IS 5 AR 052007 DI 10.1103/PhysRevD.76.052007 PG 21 WC Astronomy & Astrophysics; Physics, Particles & Fields SC Astronomy & Astrophysics; Physics GA 215CV UT WOS:000249786800014 ER PT J AU Aubert, B Bona, M Boutigny, D Karyotakis, Y Lees, JP Poireau, V Prudent, X Tisserand, V Zghiche, A Tico, JG Grauges, E Lopez, L Palano, A Eigen, G Stugu, B Sun, L Abrams, GS Battaglia, M Brown, DN Button-Shafer, J Cahn, RN Groysman, Y Jacobsen, RG Kadyk, JA Kerth, LT Kolomensky, YG Kukartsev, G Pegna, DL Lynch, G Mir, LM Orimoto, TJ Ronan, MT Tackmann, K Wenzel, WA Sanchez, PD Hawkes, CM Watson, AT Held, T Koch, H Lewandowski, B Pelizaeus, M Schroeder, T Steinke, M Walker, D Asgeirsson, DJ Cuhadar-Donszelmann, T Fulsom, BG Hearty, C Knecht, NS Mattison, TS McKenna, JA Khan, A Saleem, M Teodorescu, L Blinov, VE Bukin, AD Druzhinin, VP Golubev, VB Onuchin, AP Serednyakov, SI Skovpen, YI Solodov, EP Todyshev, KY Bondioli, M Curry, S Eschrich, I Kirkby, D Lankford, AJ Lund, P Mandelkern, M Martin, EC Stoker, DP Abachi, S Buchanan, C Foulkes, SD Gary, JW Liu, F Long, O Shen, BC Zhang, L Paar, HP Rahatlou, S Sharma, V Berryhill, JW Campagnari, C Cunha, A Dahmes, B Hong, TM Kovalskyi, D Richman, JD Beck, TW Eisner, AM Flacco, CJ Heusch, CA Kroseberg, J Lockman, WS Schalk, T Schumm, BA Seiden, A Williams, DC Wilson, MG Winstrom, LO Chen, E Cheng, CH Fang, F Hitlin, DG Narsky, I Piatenko, T Porter, FC Mancinelli, G Meadows, BT Mishra, K Sokoloff, MD Blanc, F Bloom, PC Chen, S Ford, WT Hirschauer, JF Kreisel, A Nagel, M Nauenberg, U Olivas, A Smith, JG Ulmer, KA Wagner, SR Zhang, J Gabareen, AM Soffer, A Toki, WH Wilson, RJ Winklmeier, F Zeng, Q Altenburg, DD Feltresi, E Hauke, A Jasper, H Merkel, J Petzold, A Spaan, B Wacker, K Brandt, T Klose, V Kobel, MJ Lacker, HM Mader, WF Nogowski, R Schubert, J Schubert, KR Schwierz, R Sundermann, JE Volk, A Bernard, D Bonneaud, GR Latour, E Lombardo, V Thiebaux, C Verderi, M Clark, PJ Gradl, W Muheim, F Playfer, S Robertson, AI Xie, Y Andreotti, M Bettoni, D Bozzi, C Calabrese, R Cecchi, A Cibinetto, G Franchini, P Luppi, E Negrini, M Petrella, A Piemontese, L Prencipe, E Santoro, V Anulli, F Baldini-Ferroli, R Calcaterra, A de Sangro, R Finocchiaro, G Pacetti, S Patteri, P Peruzzi, IM Piccolo, M Rama, M Zallo, A Buzzo, A Contri, R Lo Vetere, M Macri, MM Monge, MR Passaggio, S Patrignani, C Robutti, E Santroni, A Tosi, S Chaisanguanthum, KS Morii, M Wu, J Dubitzky, RS Marks, J Schenk, S Uwer, U Bard, DJ Dauncey, PD Flack, RL Nash, JA Nikolich, MB Vazquez, WP Behera, PK Chai, X Charles, MJ Mallik, U Meyer, NT Ziegler, V Cochran, J Crawley, HB Dong, L Eyges, V Meyer, WT Prell, S Rosenberg, EI Rubin, AE Gritsan, AV Guo, ZJ Lae, CK Denig, AG Fritsch, M Schott, G Arnaud, N Bequilleux, J Davier, M Grosdidier, G Hocker, A Lepeltier, V Le Diberder, F Lutz, AM Pruvot, S Rodier, S Roudeau, P Schune, MH Serrano, J Sordini, V Stocchi, A Wang, WF Wormser, G Lange, DJ Wright, DM Chavez, CA Forster, IJ Fry, JR Gabathuler, E Gamet, R Hutchcroft, DE Payne, DJ Schofield, KC Touramanis, C Bevan, AJ George, KA Di Lodovico, F Menges, W Sacco, R Cowan, G Flaecher, HU Hopkins, DA Jackson, PS McMahon, TR Salvatore, F Wren, AC Brown, DN Davis, CL Allison, J Barlow, NR Barlow, RJ Chia, YM Edgar, CL Lafferty, GD West, TJ Yi, JI Anderson, J Chen, C Jawahery, A Roberts, DA Simi, G Tuggle, JM Blaylock, G Dallapiccola, C Hertzbach, SS Li, X Moore, TB Salvati, E Saremi, S Cowan, R Fisher, PH Sciolla, G Sekula, SJ Spitznagel, M Taylor, F Yamamoto, RK Mclachlin, SE Patel, PM Robertson, SH Lazzaro, A Palombo, F Bauer, JM Cremaldi, L Eschenburg, V Godang, R Kroeger, R Sanders, DA Summers, DJ Zhao, HW Brunet, S Cote, D Simard, M Taras, P Viaud, FB Nicholson, H De Nardo, G Fabozzi, F Lista, L Monorchio, D Sciacca, C Baak, MA Raven, G Snoek, HL Jessop, CP LoSecco, JM Benelli, G Corwin, LA Gan, KK Honscheid, K Hufnagel, D Kagan, H Kass, R Morris, JP Rahimi, AM Regensburger, JJ Ter-Antonyan, R Wong, QK Blount, NL 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Monchenault, GH Kozanecki, W Legendre, M Vasseur, G Yeche, C Zito, M Chen, XR Liu, H Park, W Purohit, MV Wilson, JR Allen, MT Aston, D Bartoldus, R Bechtle, P Berger, N Claus, R Coleman, JP Convery, MR Dingfelder, JC Dorfan, J Dubois-Felsmann, GP Dujmic, D Dunwoodie, W Field, RC Glanzman, T Gowdy, SJ Graham, MT Grenier, P Hast, C Hryn'ova, T Innes, WR Kaminski, J Kelsey, MH Kim, H Kim, P Kocian, ML Leith, DWGS Li, S Luitz, S Luth, V Lynch, HL MacFarlane, DB Marsiske, H Messner, R Muller, DR O'Grady, CP Ofte, I Perazzo, A Perl, M Pulliam, T Ratcliff, BN Roodman, A Salnikov, AA Schindler, RH Schwiening, J Snyder, A Stelzer, J Su, D Sullivan, MK Suzuki, K Swain, SK Thompson, JM Va'vra, J van Bakel, N Wagner, AP Weaver, M Wisniewski, WJ Wittgen, M Wright, DH Yarritu, AK Yi, K Young, CC Burchat, PR Edwards, AJ Majewski, SA Petersen, BA Wilden, L Ahmed, S Alam, MS Bula, R Ernst, JA Jain, V Pan, B Saeed, MA Wappler, FR Zain, SB Bugg, W Krishnamurthy, M Spanier, SM Eckmann, R Ritchie, JL 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Martinez-Vidal, F. Milanes, D. A. Oyanguren, A. Albert, J. Banerjee, Sw. Bhuyan, B. Hamano, K. Kowalewski, R. Nugent, I. M. Roney, J. M. Sobie, R. J. Back, J. J. Harrison, P. F. Latham, T. E. Mohanty, G. B. Pappagallo, M. Band, H. R. Chen, X. Dasu, S. Flood, K. T. Hollar, J. J. Kutter, P. E. Pan, Y. Pierini, M. Prepost, R. Wu, S. L. Yu, Z. Neal, H. CA BaBar Collaboration TI Measurement of the hadronic form factor in D-0 -> K(-)e(+)nu(e) decays SO PHYSICAL REVIEW D LA English DT Article ID SEMILEPTONIC DECAYS; QUARK-MODEL; PSEUDOSCALAR MESONS; LATTICE QCD; B-DECAY; HEAVY; PHYSICS; SHAPES AB The shape of the hadronic form factor f(+)(q(2)) in the decay D-0 -> K(-)e(+)nu(e) has been measured in a model independent analysis and compared with theoretical calculations. We use 75 fb(-1) of data recorded by the BABAR detector at the PEP-II electron-positron collider. The corresponding decay branching fraction, relative to the decay D-0 -> K-pi(+), has also been measured to be R-D=B(D-0 -> K(-)e(+)nu(e)(gamma))/B(D-0 -> K-pi(+)(gamma))=0.927 +/- 0.007 +/- 0.012. From these results, and using the present world average value for B(D-0 -> K-pi(+)), the normalization of the form factor at q(2)=0 is determined to be f(+)(0)=0.727 +/- 0.007 +/- 0.005 +/- 0.007 where the uncertainties are statistical, systematic, and from external inputs, respectively. C1 CNRS, IN2P3, Phys Particules Lab, F-74941 Annecy Le Vieux, France. Univ Savoie, F-74941 Annecy Le Vieux, France. Univ Barcelona, Fac Fis, Dept ECM, E-08028 Barcelona, Spain. Univ Bari, Dipartimento Fis, I-70126 Bari, Italy. Ist Nazl Fis Nucl, I-70126 Bari, Italy. Univ Bergen, Inst Phys, N-5007 Bergen, Norway. Univ Calif Berkeley, Berkeley, CA 94720 USA. Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA. Univ Birmingham, Birmingham B15 2TT, W Midlands, England. 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RI Luppi, Eleonora/A-4902-2015; Calabrese, Roberto/G-4405-2015; Mir, Lluisa-Maria/G-7212-2015; Martinez Vidal, F*/L-7563-2014; Kolomensky, Yury/I-3510-2015; Lo Vetere, Maurizio/J-5049-2012; Lusiani, Alberto/N-2976-2015; Lusiani, Alberto/A-3329-2016; Morandin, Mauro/A-3308-2016; Di Lodovico, Francesca/L-9109-2016; Pappagallo, Marco/R-3305-2016; Calcaterra, Alessandro/P-5260-2015; Frey, Raymond/E-2830-2016; Rotondo, Marcello/I-6043-2012; Patrignani, Claudia/C-5223-2009; de Sangro, Riccardo/J-2901-2012; Della Ricca, Giuseppe/B-6826-2013; Saeed, Mohammad Alam/J-7455-2012; Negrini, Matteo/C-8906-2014; Monge, Maria Roberta/G-9127-2012; Oyanguren, Arantza/K-6454-2014; Lista, Luca/C-5719-2008; Bellini, Fabio/D-1055-2009; Neri, Nicola/G-3991-2012; Forti, Francesco/H-3035-2011 OI Raven, Gerhard/0000-0002-2897-5323; Luppi, Eleonora/0000-0002-1072-5633; Calabrese, Roberto/0000-0002-1354-5400; Mir, Lluisa-Maria/0000-0002-4276-715X; Martinez Vidal, F*/0000-0001-6841-6035; Kolomensky, Yury/0000-0001-8496-9975; Lo Vetere, Maurizio/0000-0002-6520-4480; Lusiani, Alberto/0000-0002-6876-3288; Lusiani, Alberto/0000-0002-6876-3288; Morandin, Mauro/0000-0003-4708-4240; Di Lodovico, Francesca/0000-0003-3952-2175; Pappagallo, Marco/0000-0001-7601-5602; Calcaterra, Alessandro/0000-0003-2670-4826; Frey, Raymond/0000-0003-0341-2636; Rotondo, Marcello/0000-0001-5704-6163; Patrignani, Claudia/0000-0002-5882-1747; de Sangro, Riccardo/0000-0002-3808-5455; Della Ricca, Giuseppe/0000-0003-2831-6982; Saeed, Mohammad Alam/0000-0002-3529-9255; Negrini, Matteo/0000-0003-0101-6963; Monge, Maria Roberta/0000-0003-1633-3195; Oyanguren, Arantza/0000-0002-8240-7300; Bellini, Fabio/0000-0002-2936-660X; Neri, Nicola/0000-0002-6106-3756; Forti, Francesco/0000-0001-6535-7965 NR 42 TC 35 Z9 35 U1 0 U2 6 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 1550-7998 J9 PHYS REV D JI Phys. 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Eschenburg, V. Godang, R. Kroeger, R. Sanders, D. A. Summers, D. J. Zhao, H. W. Brunet, S. Cote, D. Simard, M. Taras, P. Viaud, F. B. Nicholson, H. De Nardo, G. Fabozzi, F. Lista, L. Monorchio, D. Sciacca, C. Baak, M. A. Raven, G. Snoek, H. L. Jessop, C. P. LoSecco, J. M. Benelli, G. Corwin, L. A. Gan, K. K. Honscheid, K. Hufnagel, D. Kagan, H. Kass, R. Morris, J. P. Rahimi, A. M. Regensburger, J. J. Ter-Antonyan, R. Wong, Q. K. Blount, N. L. Brau, J. Frey, R. Igonkina, O. Kolb, J. A. Lu, M. Rahmat, R. Sinev, N. B. Strom, D. Strube, J. Torrence, E. Gagliardi, N. Gaz, A. Margoni, M. Morandin, M. Pompili, A. Posocco, M. Rotondo, M. Simonetto, F. Stroili, R. Voci, C. Ben-Haim, E. Briand, H. Calderini, G. Chauveau, J. David, P. Del Buono, L. de la Vaissiere, Ch Hamon, O. Leruste, Ph Malcles, J. Ocariz, J. Perez, A. Gladney, L. Biasini, M. Covarelli, R. Manoni, E. Angelini, C. Batignani, G. Bettarini, S. Carpinelli, M. Cenci, R. Cervelli, A. Forti, F. Giorgi, M. A. Lusiani, A. 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Innes, W. R. Kaminski, J. Kelsey, M. H. Kim, H. Kim, P. Kocian, M. L. Leith, D. W. G. S. Li, S. Luitz, S. Luth, V. Lynch, H. L. MacFarlane, D. B. Marsiske, H. Messner, R. Muller, D. R. O'Grady, C. P. Ofte, I. Perazzo, A. Perl, M. Pulliam, T. Ratcliff, B. N. Roodman, A. Salnikov, A. A. Schindler, R. H. Schwiening, J. Snyder, A. Stelzer, J. Su, D. Sullivan, M. K. Suzuki, K. Swain, S. K. Thompson, J. M. Va'vra, J. van Bakel, N. Wagner, A. P. Weaver, M. Wisniewski, W. J. Wittgen, M. Wright, D. H. Yarritu, A. K. Yi, K. Young, C. C. Burchat, P. R. Edwards, A. J. Majewski, S. A. Petersen, B. A. Wilden, L. Ahmed, S. Alam, M. S. Bula, R. Ernst, J. A. Jain, V. Pan, B. Saeed, M. A. Wappler, F. R. Zain, S. B. Bugg, W. Krishnamurthy, M. Spanier, S. M. Eckmann, R. Ritchie, J. L. Ruland, A. M. Schilling, C. J. Schwitters, R. F. Izen, J. M. Lou, X. C. Ye, S. Bianchi, F. Gallo, F. Gamba, D. Pelliccioni, M. Bomben, M. Bosisio, L. Cartaro, C. Cossutti, F. Della Ricca, G. Lanceri, L. Vitale, L. Azzolini, V. Lopez-March, N. Martinez-Vidal, F. Milanes, D. A. Oyanguren, A. Albert, J. Banerjee, Sw. Bhuyan, B. Kowalewski, R. Nugent, I. M. Roney, J. M. Sobie, R. J. Back, J. J. Harrison, P. F. Latham, T. E. Mohanty, G. B. Pappagallo, M. Band, H. R. Chen, X. Dasu, S. Flood, K. T. Hollar, J. J. Kutter, P. E. Pan, Y. Pierini, M. Prepost, R. Wu, S. L. Yu, Z. Neal, H. TI Search for B-0 ->phi(K+pi(-)) decays with large K+pi(-) invariant mass SO PHYSICAL REVIEW D LA English DT Article ID POLARIZATION; PHYSICS; ASYMMETRIES AB Motivated by the polarization anomaly in the B ->phi(1020)K-*(892) decay, we extend our search for other K-* final states in the decay B-0 ->phi(1020)K-*0 with the K-*0 -> K+pi(-) invariant mass above 1.6 GeV. The final states considered include the K-*(1680)(0), K-3(*)(1780)(0), K-4(*)(2045)(0), and a K pi spin-zero nonresonant component. We also search for B-0 ->phi(D) over bar (0) decay with the same final state. The analysis is based on a sample of about 384x10(6) B (B) over bar pairs recorded with the BABAR detector. We place upper limits on the branching fractions B(B-0 ->phi K-*(1680)(0))< 3.5x10(-6), B(B-0 ->phi K-3(*)(1780)(0))< 2.7x10(-6), B(B-0 ->phi K-4(*)(2045)(0))< 15.3x10(-6), and B(B-0 ->phi(D) over bar (0))< 11.7x10(-6) at 90% C.L. The nonresonant contribution is consistent with the measurements in the lower invariant mass range. C1 CNRS, IN2P3, Phys Particules Lab, F-74941 Annecy Le Vieux, France. Univ Savoie, F-74941 Annecy Le Vieux, France. Univ Barcelona, Fac Fis, Dept ECM, E-08028 Barcelona, Spain. Univ Bari, Dipartmento Fis, I-70126 Bari, Italy. Ist Nazl Fis Nucl, I-70126 Bari, Italy. Univ Bergen, Inst Phys, N-5007 Bergen, Norway. Univ Calif Berkeley, Berkeley, CA 94720 USA. Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA. Univ Birmingham, Birmingham B15 2TT, W Midlands, England. Ruhr Univ Bochum, Inst Phys Expt, D-44780 Bochum, Germany. Univ Bristol, Bristol BS8 1TL, Avon, England. Univ British Columbia, Vancouver, BC V6T 1Z1, Canada. Brunel Univ, Uxbridge UB8 3PH, Middx, England. Budker Inst Nucl Phys, Novosibirsk 630090, Russia. Univ Calif Irvine, Irvine, CA 92697 USA. Univ Calif Los Angeles, Los Angeles, CA 90024 USA. Univ Calif Riverside, Riverside, CA 92521 USA. Univ Calif San Diego, La Jolla, CA 92093 USA. Univ Calif Santa Barbara, Santa Barbara, CA 93106 USA. Univ Calif Santa Cruz, Inst Particle Phys, Santa Cruz, CA 95064 USA. CALTECH, Pasadena, CA 91125 USA. Univ Cincinnati, Cincinnati, OH 45221 USA. Univ Colorado, Boulder, CO 80309 USA. Colorado State Univ, Ft Collins, CO 80523 USA. Univ Dortmund, Inst Phys, D-44221 Dortmund, Germany. Tech Univ Dresden, Inst Kernund Teilchenphys, D-01062 Dresden, Germany. Ecole Polytech, CNRS, IN2P3, Lab Leprince Ringuet, F-91128 Palaiseau, France. Univ Edinburgh, Edinburgh EH9 3JZ, Midlothian, Scotland. Univ Ferrara, Dipartimento Fis, I-44100 Ferrara, Italy. Ist Nazl Fis Nucl, I-44100 Ferrara, Italy. Nazl Frascati Lab, Ist Nazl Fis Nucl, I-00044 Frascati, Italy. Harvard Univ, Cambridge, MA 02138 USA. Heidelberg Univ, Inst Phys, D-69120 Heidelberg, Germany. Univ London Imperial Coll Sci Technol & Med, London SW7 2AZ, England. Univ Iowa, Iowa City, IA 52242 USA. Iowa State Univ, Ames, IA 50011 USA. Johns Hopkins Univ, Baltimore, MD 21218 USA. Univ Karlsruhe, Inst Expt Kernphys, D-76021 Karlsruhe, Germany. CNRS, IN2P3, Lab Accelerateur Lineaire, F-91898 Orsay, France. Univ Paris 11, Ctr Sci Orsay, F-91898 Orsay, France. Lawrence Livermore Natl Lab, Livermore, CA 94550 USA. Univ Liverpool, Liverpool L69 7ZE, Merseyside, England. Queen Mary Univ London, London E1 4NS, England. Univ London Royal Holloway & Bedford New Coll, Egham TW20 0EX, Surrey, England. Univ Louisville, Louisville, KY 40292 USA. Univ Manchester, Manchester M13 9PL, Lancs, England. Univ Maryland, College Pk, MD 20742 USA. Univ Massachusetts, Amherst, MA 01003 USA. 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Univ Pisa, Dipartimento Fis, Scuola Normale Super, I-56127 Pisa, Italy. Ist Nazl Fis Nucl, I-56127 Pisa, Italy. Prairie View A&M Univ, Prairie View, TX 77446 USA. Princeton Univ, Princeton, NJ 08544 USA. Univ Roma La Sapienza, Dipartimento Fis, I-00185 Rome, Italy. Ist Nazl Fis Nucl, I-00185 Rome, Italy. Univ Rostock, D-18051 Rostock, Germany. Rutherford Appleton Lab, Didcot OX11 0QX, Oxon, England. CEA Saclay, DSM Dapnia, F-91191 Gif Sur Yvette, France. Univ S Carolina, Columbia, SC 29208 USA. Stanford Linear Accelerator Ctr, Stanford, CA 94309 USA. Stanford Univ, Stanford, CA 94305 USA. SUNY Albany, Albany, NY 12222 USA. Univ Tennessee, Knoxville, TN 37996 USA. Univ Texas, Austin, TX 78712 USA. Univ Texas, Richardson, TX 75083 USA. Univ Turin, Dipartimento Fis, I-10125 Turin, Italy. Ist Nazl Fis Nucl, I-10125 Turin, Italy. Univ Trieste, Dipartimento Fis, I-34127 Trieste, Italy. Ist Nazl Fis Nucl, I-34127 Trieste, Italy. Univ Valencia, CSIC, IFIC, E-46071 Valencia, Spain. Univ Victoria, Victoria, BC V8W 3P6, Canada. Univ Warwick, Dept Phys, Coventry CV4 7AL, W Midlands, England. Univ Wisconsin, Madison, WI 53706 USA. Yale Univ, New Haven, CT 06511 USA. Univ Perugia, Dipartimento Fis, I-06100 Perugia, Italy. Univ Basilicata, I-85100 Potenza, Italy. Univ Durham, Dept Phys, IPPP, Durham DH1 3LE, England. RP Aubert, B (reprint author), CNRS, IN2P3, Phys Particules Lab, F-74941 Annecy Le Vieux, France. RI Mir, Lluisa-Maria/G-7212-2015; Martinez Vidal, F*/L-7563-2014; Kolomensky, Yury/I-3510-2015; Lo Vetere, Maurizio/J-5049-2012; Lusiani, Alberto/N-2976-2015; Morandin, Mauro/A-3308-2016; Lusiani, Alberto/A-3329-2016; Di Lodovico, Francesca/L-9109-2016; Pappagallo, Marco/R-3305-2016; Calcaterra, Alessandro/P-5260-2015; Frey, Raymond/E-2830-2016; Saeed, Mohammad Alam/J-7455-2012; Negrini, Matteo/C-8906-2014; Monge, Maria Roberta/G-9127-2012; Oyanguren, Arantza/K-6454-2014; Luppi, Eleonora/A-4902-2015; Calabrese, Roberto/G-4405-2015; Lista, Luca/C-5719-2008; Bellini, Fabio/D-1055-2009; Neri, Nicola/G-3991-2012; Forti, Francesco/H-3035-2011; Rotondo, Marcello/I-6043-2012; Patrignani, Claudia/C-5223-2009; Della Ricca, Giuseppe/B-6826-2013 OI Raven, Gerhard/0000-0002-2897-5323; Mir, Lluisa-Maria/0000-0002-4276-715X; Martinez Vidal, F*/0000-0001-6841-6035; Kolomensky, Yury/0000-0001-8496-9975; Lo Vetere, Maurizio/0000-0002-6520-4480; Lusiani, Alberto/0000-0002-6876-3288; Morandin, Mauro/0000-0003-4708-4240; Lusiani, Alberto/0000-0002-6876-3288; Di Lodovico, Francesca/0000-0003-3952-2175; Pappagallo, Marco/0000-0001-7601-5602; Calcaterra, Alessandro/0000-0003-2670-4826; Frey, Raymond/0000-0003-0341-2636; Saeed, Mohammad Alam/0000-0002-3529-9255; Negrini, Matteo/0000-0003-0101-6963; Monge, Maria Roberta/0000-0003-1633-3195; Oyanguren, Arantza/0000-0002-8240-7300; Luppi, Eleonora/0000-0002-1072-5633; Calabrese, Roberto/0000-0002-1354-5400; Bellini, Fabio/0000-0002-2936-660X; Neri, Nicola/0000-0002-6106-3756; Forti, Francesco/0000-0001-6535-7965; Rotondo, Marcello/0000-0001-5704-6163; Patrignani, Claudia/0000-0002-5882-1747; Della Ricca, Giuseppe/0000-0003-2831-6982 NR 44 TC 12 Z9 12 U1 0 U2 7 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 2470-0010 EI 2470-0029 J9 PHYS REV D JI Phys. 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D PD SEP PY 2007 VL 76 IS 5 AR 051103 DI 10.1103/PhysRevD.76.051103 PG 8 WC Astronomy & Astrophysics; Physics, Particles & Fields SC Astronomy & Astrophysics; Physics GA 215CV UT WOS:000249786800003 ER PT J AU Aubert, B Bona, M Boutigny, D Karyotakis, Y Lees, JP Poireau, V Prudent, X Tisserand, V Zghiche, A Tico, JG Grauges, E Lopez, L Palano, A Pappagallo, M Eigen, G Stugu, B Sun, L Abrams, GS Battaglia, M Brown, DN Button-Shafer, J Cahn, RN Groysman, Y Jacobsen, RG Kadyk, JA Kerth, LT Kolomensky, YG Kukartsev, G Pegna, DL Lynch, G Mir, LM Orimoto, TJ Osipenkov, IL Ronan, MT Tackmann, K Tanabe, T Wenzel, WA Sanchez, PD Hawkes, CM Watson, AT Held, T Koch, H Pelizaeus, M Schroeder, T Steinke, M Walker, D Asgeirsson, DJ Cuhadar-Donszelmann, T Fulsom, BG Hearty, C Mattison, TS McKenna, JA Khan, A Saleem, M Teodorescu, L Blinov, VE Bukin, AD Druzhinin, VP Golubev, VB Onuchin, AP Serednyakov, SI Skovpen, YI Solodov, EP Todyshev, KY Bondioli, M Curry, S Eschrich, I Kirkby, D Lankford, AJ 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Kaminski, J. Kelsey, M. H. Kim, H. Kim, P. Kocian, M. L. Leith, D. W. G. S. Li, S. Luitz, S. Luth, V. Lynch, H. L. MacFarlane, D. B. Marsiske, H. Messner, R. Muller, D. R. O'Grady, C. P. Ofte, I. Perazzo, A. Perl, M. Pulliam, T. Ratcliff, B. N. Roodman, A. Salnikov, A. A. Schindler, R. H. Schwiening, J. Snyder, A. Stelzer, J. Su, D. Sullivan, M. K. Suzuki, K. Swain, S. K. Thompson, J. M. Va'vra, J. van Bakel, N. Wagner, A. P. Weaver, M. Wisniewski, W. J. Wittgen, M. Wright, D. H. Yarritu, A. K. Yi, K. Young, C. C. Burchat, P. R. Edwards, A. J. Majewski, S. A. Petersen, B. A. Wilden, L. Ahmed, S. Alam, M. S. Bula, R. Ernst, J. A. Jain, V. Pan, B. Saeed, M. A. Wappler, F. R. Zain, S. B. Krishnamurthy, M. Spanier, S. M. Eckmann, R. Ritchie, J. L. Ruland, A. M. Schilling, C. J. Schwitters, R. F. Izen, J. M. Lou, X. C. Ye, S. Bianchi, F. Gallo, F. Gamba, D. Pelliccioni, M. Bomben, M. Bosisio, L. Cartaro, C. Cossutti, F. Della Ricca, G. Lanceri, L. Vitale, L. Azzolini, V. Lopez-March, N. Martinez-Vidal, F. Milanes, D. A. Oyanguren, A. Albert, J. Banerjee, Sw. Bhuyan, B. Hamano, K. Kowalewski, R. Nugent, I. M. Roney, J. M. Sobie, R. J. Harrison, P. F. Ilic, J. Latham, T. E. Mohanty, G. B. Band, H. R. Chen, X. Dasu, S. Flood, K. T. Hollar, J. J. Kutter, P. E. Pan, Y. Pierini, M. Prepost, R. Wu, S. L. Neal, H. CA BABAR Collaboration TI Measurement of the tau(-)-> K-pi(0)nu(tau) branching fraction SO PHYSICAL REVIEW D LA English DT Article ID STRANGE QUARK MASS; TAU-DECAYS; PHYSICS; KAONS AB A measurement of the tau(-)-> K-pi(0)nu(tau) branching fraction has been made using 230.2 fb(-1) of data recorded by the BABAR detector at the PEP-II e(+)e(-) collider, located at the Stanford Linear Accelerator Center (SLAC), at a center-of-mass energy root s close to 10.58 GeV. We measure B(tau(-)-> K-pi(0)nu(tau))=(0.416 +/- 0.003(stat)+/- 0.018(syst))%. C1 CNRS, IN2P3, Phys Particules Lab, F-74941 Annecy Le Vieux, France. Univ Savoie, F-74941 Annecy Le Vieux, France. Univ Barcelona, Fac Fis, Dept ECM, E-08028 Barcelona, Spain. Univ Bari, Dipartimento Fis, I-70126 Bari, Italy. Ist Nazl Fis Nucl, I-70126 Bari, Italy. Univ Bergen, Inst Phys, N-5007 Bergen, Norway. Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA. Univ Calif Berkeley, Berkeley, CA 94720 USA. Univ Birmingham, Birmingham B15 2TT, W Midlands, England. Ruhr Univ Bochum, Inst Phys Expt, D-44780 Bochum, Germany. Univ Bristol, Bristol BS8 1TL, Avon, England. Univ British Columbia, Vancouver, BC V6T 1Z1, Canada. Brunel Univ, Uxbridge UB8 3PH, Middx, England. Budker Inst Nucl Phys, Novosibirsk 630090, Russia. Univ Calif Irvine, Irvine, CA 92697 USA. Univ Calif Los Angeles, Los Angeles, CA 90024 USA. Univ Calif Riverside, Riverside, CA 92521 USA. Univ Calif San Diego, La Jolla, CA 92093 USA. Univ Calif Santa Barbara, Santa Barbara, CA 93106 USA. Univ Calif Santa Cruz, Inst Particle Phys, Santa Cruz, CA 95064 USA. CALTECH, Pasadena, CA 91125 USA. Univ Cincinnati, Cincinnati, OH 45221 USA. Univ Colorado, Boulder, CO 80309 USA. Colorado State Univ, Ft Collins, CO 80523 USA. Univ Dortmund, Inst Phys, D-44221 Dortmund, Germany. Tech Univ Dresden, Inst Kernund Teilchenphys, D-01062 Dresden, Germany. Ecole Polytech, CNRS, IN2P3, Lab Leprince Ringuet, F-91128 Palaiseau, France. Univ Edinburgh, Edinburgh EH9 3JZ, Midlothian, Scotland. Univ Ferrara, Dipartimento Fis, I-44100 Ferrara, Italy. Ist Nazl Fis Nucl, I-44100 Ferrara, Italy. Ist Nazl Fis Nucl, Nazl Frascati Lab, I-00044 Frascati, Italy. Univ Genoa, Dept Phys, I-16146 Genoa, Italy. Ist Nazl Fis Nucl, I-16146 Genoa, Italy. Harvard Univ, Cambridge, MA 02138 USA. Univ Heidelberg, Inst Phys, D-69120 Heidelberg, Germany. Univ London Imperial Coll Sci Technol & Med, London SW7 2AZ, England. Univ Iowa, Iowa City, IA 52242 USA. Iowa State Univ, Ames, IA 50011 USA. Johns Hopkins Univ, Baltimore, MD 21218 USA. Univ Karlsruhe, Inst Expt Kernphys, D-76021 Karlsruhe, Germany. CNRS, IN2P3, Lab Accelerateur Lineaire, F-91898 Orsay, France. Univ Paris 11, F-91898 Orsay, France. Lawrence Livermore Natl Lab, Livermore, CA 94550 USA. Univ Liverpool, Liverpool L69 7ZE, Merseyside, England. Univ London Queen Mary & Westfield Coll, London E1 4NS, England. Univ London Royal Holloway & Bedford New Coll, Egham TW20 0EX, Surrey, England. Univ Louisville, Louisville, KY 40292 USA. Univ Manchester, Manchester M13 9PL, Lancs, England. Univ Maryland, College Pk, MD 20742 USA. Univ Massachusetts, Amherst, MA 01003 USA. MIT, Nucl Sci Lab, Cambridge, MA 02139 USA. McGill Univ, Montreal, PQ H3A 2T8, Canada. Univ Milan, Dipartimento Fis, I-20133 Milan, Italy. Ist Nazl Fis Nucl, I-20133 Milan, Italy. Univ Mississippi, University, MS 38677 USA. Univ Montreal, Montreal, PQ H3C 3J7, Canada. Mt Holyoke Coll, S Hadley, MA 01075 USA. Univ Naples Federico 2, Dipartimento Sci Fis, I-80126 Naples, Italy. Ist Nazl Fis Nucl, I-80126 Naples, Italy. NIKHEF, Natl Inst Nucl Phys & High Energy Phys, NL-1009 DB Amsterdam, Netherlands. Univ Notre Dame, Notre Dame, IN 46556 USA. Ohio State Univ, Columbus, OH 43210 USA. Univ Oregon, Eugene, OR 97403 USA. Univ Padua, Dipartimento Fis, I-35131 Padua, Italy. Ist Nazl Fis Nucl, I-35131 Padua, Italy. Univ Paris 06, CNRS, IN2P3, Lab Phys Nucl & Hautes Energies, F-75252 Paris, France. Univ Paris 07, F-75252 Paris, France. Univ Penn, Philadelphia, PA 19104 USA. Univ Perugia, Dipartimento Fis, I-06100 Perugia, Italy. Ist Nazl Fis Nucl, I-06100 Perugia, Italy. Univ Pisa, Dipartimento Fis, Scuola Normale Super, I-56127 Pisa, Italy. Ist Nazl Fis Nucl, I-56127 Pisa, Italy. Prairie View A&M Univ, Prairie View, TX 77446 USA. Princeton Univ, Princeton, NJ 08544 USA. Univ Roma La Sapienza, Dipartimento Fis, I-00185 Rome, Italy. Ist Nazl Fis Nucl, I-00185 Rome, Italy. Univ Rostock, D-18051 Rostock, Germany. Rutherford Appleton Lab, Didcot OX11 0QX, Oxon, England. CEA Saclay, DSM Dapnia, F-91191 Gif Sur Yvette, France. Univ S Carolina, Columbia, SC 29208 USA. Stanford Linear Accelerator Ctr, Stanford, CA 94309 USA. Stanford Univ, Stanford, CA 94305 USA. SUNY Albany, Albany, NY 12222 USA. Univ Tennessee, Knoxville, TN 37996 USA. Univ Texas, Austin, TX 78712 USA. Univ Texas, Richardson, TX 75083 USA. Univ Turin, Dipartimento Fis Sperimentale, I-10125 Turin, Italy. Ist Nazl Fis Nucl, I-10125 Turin, Italy. Univ Trieste, Dipartimento Fis, I-34127 Trieste, Italy. Ist Nazl Fis Nucl, I-34127 Trieste, Italy. Univ Valencia, CSIC, IFIC, E-46071 Valencia, Spain. Univ Victoria, Victoria, BC V8W 3P6, Canada. Univ Warwick, Dept Phys, Coventry CV4 7AL, W Midlands, England. Univ Wisconsin, Madison, WI 53706 USA. Yale Univ, New Haven, CT 06511 USA. Univ Perugia, Dipartimento Fis, I-06100 Perugia, Italy. Univ Basilicata, I-85100 Potenza, Italy. Univ Barcelona, Fac Fis, Dept ECM, E-08028 Barcelona, Spain. RP Aubert, B (reprint author), CNRS, IN2P3, Phys Particules Lab, F-74941 Annecy Le Vieux, France. RI Mir, Lluisa-Maria/G-7212-2015; Martinez Vidal, F*/L-7563-2014; Kolomensky, Yury/I-3510-2015; Lo Vetere, Maurizio/J-5049-2012; Lusiani, Alberto/N-2976-2015; Morandin, Mauro/A-3308-2016; Lusiani, Alberto/A-3329-2016; Della Ricca, Giuseppe/B-6826-2013; Di Lodovico, Francesca/L-9109-2016; Pappagallo, Marco/R-3305-2016; Calcaterra, Alessandro/P-5260-2015; Frey, Raymond/E-2830-2016; Patrignani, Claudia/C-5223-2009; de Sangro, Riccardo/J-2901-2012; Saeed, Mohammad Alam/J-7455-2012; Negrini, Matteo/C-8906-2014; Monge, Maria Roberta/G-9127-2012; Oyanguren, Arantza/K-6454-2014; Luppi, Eleonora/A-4902-2015; Calabrese, Roberto/G-4405-2015; Lista, Luca/C-5719-2008; Bellini, Fabio/D-1055-2009; Neri, Nicola/G-3991-2012; Forti, Francesco/H-3035-2011; Rotondo, Marcello/I-6043-2012 OI Raven, Gerhard/0000-0002-2897-5323; Mir, Lluisa-Maria/0000-0002-4276-715X; Martinez Vidal, F*/0000-0001-6841-6035; Kolomensky, Yury/0000-0001-8496-9975; Lo Vetere, Maurizio/0000-0002-6520-4480; Lusiani, Alberto/0000-0002-6876-3288; Morandin, Mauro/0000-0003-4708-4240; Lusiani, Alberto/0000-0002-6876-3288; Della Ricca, Giuseppe/0000-0003-2831-6982; Di Lodovico, Francesca/0000-0003-3952-2175; Pappagallo, Marco/0000-0001-7601-5602; Calcaterra, Alessandro/0000-0003-2670-4826; Frey, Raymond/0000-0003-0341-2636; Patrignani, Claudia/0000-0002-5882-1747; de Sangro, Riccardo/0000-0002-3808-5455; Saeed, Mohammad Alam/0000-0002-3529-9255; Negrini, Matteo/0000-0003-0101-6963; Monge, Maria Roberta/0000-0003-1633-3195; Oyanguren, Arantza/0000-0002-8240-7300; Luppi, Eleonora/0000-0002-1072-5633; Calabrese, Roberto/0000-0002-1354-5400; Bellini, Fabio/0000-0002-2936-660X; Neri, Nicola/0000-0002-6106-3756; Forti, Francesco/0000-0001-6535-7965; Rotondo, Marcello/0000-0001-5704-6163 NR 21 TC 38 Z9 38 U1 0 U2 3 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 1550-7998 J9 PHYS REV D JI Phys. Rev. D PD SEP PY 2007 VL 76 IS 5 AR 051104 DI 10.1103/PhysRevD.76.051104 PG 6 WC Astronomy & Astrophysics; Physics, Particles & Fields SC Astronomy & Astrophysics; Physics GA 215CV UT WOS:000249786800004 ER PT J AU Aubert, B Bona, M Boutigny, D Karyotakis, Y Lees, JP Poireau, V Prudent, X Tisserand, V Zghiche, A Tico, JG Grauges, E Lopez, L Palano, A Eigen, G Ofte, I Stugu, B Sun, L Abrams, GS Battaglia, M Brown, DN Button-Shafer, J Cahn, RN Groysman, Y Jacobsen, RG Kadyk, JA Kerth, LT Kolomensky, YG Kukartsev, G Pegna, DL Lynch, G Mir, LM Orimoto, TJ Pripstein, M Roe, NA Ronan, MT Tackmann, K Wenzel, WA Sanchez, PD Hawkes, CM Watson, AT Held, T Koch, H Lewandowski, B Pelizaeus, M Schroeder, T Steinke, M Cottingham, WN Walker, D Asgeirsson, DJ Cuhadar-Donszelmann, T Fulsom, BG Hearty, C Knecht, NS Mattison, TS McKenna, JA Khan, A Saleem, M Teodorescu, L Blinov, VE Bukin, AD Druzhinin, VP Golubev, VB Onuchin, AP Serednyakov, SI Skovpen, YI Solodov, EP Todyshev, KY Bondioli, M Curry, S 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Vitale, L. Azzolini, V. Lopez-March, N. Martinez-Vidal, F. Milanes, D. A. Oyanguren, A. Albert, J. Banerjee, Sw. Bhuyan, B. Hamano, K. Kowalewski, R. Nugent, I. M. Roney, J. M. Sobie, R. J. Back, J. J. Harrison, P. F. Latham, T. E. Mohanty, G. B. Pappagallo, M. Band, H. R. Chen, X. Dasu, S. Flood, K. T. Hollar, J. J. Kutter, P. E. Pan, Y. Pierini, M. Prepost, R. Wu, S. L. Yu, Z. Neal, H. CA BaBar Collaboration TI Measurement of the relative branching fractions of (B)over-bar -> D/D-*/D(**)l(-)nu(l) decays in events with a fully reconstructed B meson SO PHYSICAL REVIEW D LA English DT Article ID QUARK-MODEL AB We determine the relative branching fractions of semileptonic B decays to charmed final states. The measurement is performed on the recoil from a fully reconstructed B meson in a sample of 362x10(6) B (B) over bar pairs collected at the Upsilon(4S) resonance with the BABAR detector. A simultaneous fit to a set of discriminating variables is performed on a sample of (B) over bar -> DXl(-) (v) over bar center dot decays to determine the contributions from the different channels. We measure Gamma(B--> Dl(-)(v)over bar>l)/Gamma(B--> DXl(-)(v) over barl)=0.227 +/- 0.014 +/- 0.016, Gamma(B--> D(*)l (v) over barl)/Gamma(B--> DXl(-)(v) over barl)=0.582 +/- 0.018 +/- 0.030, and Gamma(B--> D(**)l(-)(v) over barl)/Gamma(B--> DXl(-)(v) over barl)=0.191 +/- 0.013 +/- 0.019 for the charged B sample, and Gamma((B) over bar (0)-> Dl(-)(v) over barl)/Gamma((B) over bar (0)-> DXl(-)(v) over barl)=0.215 +/- 0.016 +/- 0.013, Gamma((B) over bar (0)-> D(*)l(-)(v) over barl)/Gamma((B) over bar (0)-> DXl(-)(v) over barl)=0.537 +/- 0.031 +/- 0.036, and Gamma((B) over barB(0)-> D(**)l(-)(v) over barl)/Gamma((B) over bar (0)-> DXl(-)(v) over barl)=0.248 +/- 0.032 +/- 0.030 for the neutral B sample, where uncertainties are statistical and systematic, respectively. 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Univ Basilicata, I-85100 Potenza, Italy. Univ Durham, Dept Phys, IPPP, Durham DH1 3LE, England. RP Aubert, B (reprint author), CNRS, IN2P3, Phys Particules Lab, F-74941 Annecy Le Vieux, France. RI Oyanguren, Arantza/K-6454-2014; Luppi, Eleonora/A-4902-2015; Calabrese, Roberto/G-4405-2015; Mir, Lluisa-Maria/G-7212-2015; Martinez Vidal, F*/L-7563-2014; Kolomensky, Yury/I-3510-2015; Lo Vetere, Maurizio/J-5049-2012; Lusiani, Alberto/N-2976-2015; Lusiani, Alberto/A-3329-2016; Morandin, Mauro/A-3308-2016; Di Lodovico, Francesca/L-9109-2016; Pappagallo, Marco/R-3305-2016; de Sangro, Riccardo/J-2901-2012; Della Ricca, Giuseppe/B-6826-2013; Saeed, Mohammad Alam/J-7455-2012; Negrini, Matteo/C-8906-2014; Monge, Maria Roberta/G-9127-2012; Lista, Luca/C-5719-2008; Bellini, Fabio/D-1055-2009; Roe, Natalie/A-8798-2012; Neri, Nicola/G-3991-2012; Forti, Francesco/H-3035-2011; Rotondo, Marcello/I-6043-2012; Patrignani, Claudia/C-5223-2009; Calcaterra, Alessandro/P-5260-2015; Frey, Raymond/E-2830-2016; OI Oyanguren, Arantza/0000-0002-8240-7300; Luppi, Eleonora/0000-0002-1072-5633; Calabrese, Roberto/0000-0002-1354-5400; Mir, Lluisa-Maria/0000-0002-4276-715X; Martinez Vidal, F*/0000-0001-6841-6035; Kolomensky, Yury/0000-0001-8496-9975; Lo Vetere, Maurizio/0000-0002-6520-4480; Lusiani, Alberto/0000-0002-6876-3288; Lusiani, Alberto/0000-0002-6876-3288; Morandin, Mauro/0000-0003-4708-4240; Di Lodovico, Francesca/0000-0003-3952-2175; Pappagallo, Marco/0000-0001-7601-5602; de Sangro, Riccardo/0000-0002-3808-5455; Della Ricca, Giuseppe/0000-0003-2831-6982; Saeed, Mohammad Alam/0000-0002-3529-9255; Negrini, Matteo/0000-0003-0101-6963; Monge, Maria Roberta/0000-0003-1633-3195; Bellini, Fabio/0000-0002-2936-660X; Neri, Nicola/0000-0002-6106-3756; Forti, Francesco/0000-0001-6535-7965; Rotondo, Marcello/0000-0001-5704-6163; Patrignani, Claudia/0000-0002-5882-1747; Calcaterra, Alessandro/0000-0003-2670-4826; Frey, Raymond/0000-0003-0341-2636; Raven, Gerhard/0000-0002-2897-5323 NR 18 TC 8 Z9 8 U1 0 U2 6 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 2470-0010 EI 2470-0029 J9 PHYS REV D JI Phys. Rev. D PD SEP PY 2007 VL 76 IS 5 AR 051101 DI 10.1103/PhysRevD.76.051101 PG 8 WC Astronomy & Astrophysics; Physics, Particles & Fields SC Astronomy & Astrophysics; Physics GA 215CV UT WOS:000249786800001 ER PT J AU Aubert, B Bona, M Boutigny, D Karyotakis, Y Lees, JP Poireau, V Prudent, X Tisserand, V Zghiche, A Grauges, E Lopez, L Palano, A Eigen, G Stugu, B Sun, L Abrams, GS Battaglia, M Brown, DN Button-Shafer, J Cahn, RN Groysman, Y Jacobsen, RG Kadyk, JA Kerth, LT Kolomensky, YG Kukartsev, G Pegna, DL Lynch, G Mir, LM Orimoto, TJ Ronan, MT Tackmann, K Wenzel, WA Sanchez, PD Hawkes, CM Watson, AT Held, T Koch, H Lewandowski, B Pelizaeus, M Schroeder, T Steinke, M Walker, D Asgeirsson, DJ Cuhadar-Donszelmann, T Fulsom, BG Hearty, C Mattison, TS McKenna, JA Khan, A Saleem, M Teodorescu, L Blinov, VE Bukin, AD Druzhinin, VP Golubev, VB Onuchin, AP Serednyakov, SI Skovpen, YI Solodov, EP Todyshev, KY Bondioli, M Curry, S Eschrich, I Kirkby, D Lankford, AJ Lund, P Mandelkern, M Martin, EC Stoker, DP Abachi, S Buchanan, C Foulkes, SD Gary, JW Liu, F Long, O Shen, BC Zhang, L Paar, HP Rahatlou, S Sharma, V Berryhill, JW Campagnari, C Cunha, A Dahmes, B Hong, TM Kovalskyi, D Richman, JD Beck, TW Eisner, AM Flacco, CJ Heusch, CA Kroseberg, J Lockman, WS Schalk, T Schumm, BA Seiden, A Williams, DC Wilson, MG Winstrom, LO Chen, E Cheng, CH Fang, F Hitlin, DG Narsky, I Piatenko, T Porter, FC Andreassen, R Mancinelli, G Meadows, BT Mishra, K Sokoloff, MD Blanc, F Bloom, PC Chen, S Ford, WT Hirschauer, JF Kreisel, A Nagel, M Nauenberg, U Olivas, A Smith, JG Ulmer, KA Wagner, SR Zhang, J Gabareen, AM Soffer, A Toki, WH Wilson, RJ Winklmeier, F Zeng, Q Altenburg, DD Feltresi, E Hauke, A Jasper, H Merkel, J Petzold, A Spaan, B Wacker, K Brandt, T Klose, V Kobel, MJ Lacker, HM Mader, WF Nogowski, R Schubert, J Schubert, KR Schwierz, R Sundermann, JE Volk, A Bernard, D Bonneaud, GR Latour, E Lombardo, V Thiebaux, C Verderi, M Clark, PJ Gradl, W Muheim, F Playfer, S Robertson, AI Xie, Y Andreotti, M Bettoni, D Bozzi, C Calabrese, R Cecchi, A Cibinetto, G Franchini, P Luppi, E Negrini, M Petrella, A Piemontese, L Prencipe, E Santoro, V Anulli, F Baldini-Ferroli, R Calcaterra, A De Sangro, R Finocchiaro, G Pacetti, S Patteri, P Peruzzi, IM Piccolo, M Rama, M Zallo, A Buzzo, A Contri, R Lo Vetere, M Macri, MM Monge, MR Passaggio, S Patrignani, C Robutti, E Santroni, A Tosi, S Chaisanguanthum, KS Morii, M Wu, J Dubitzky, RS Marks, J Schenk, S Uwer, U Bard, DJ Dauncey, PD Flack, RL Nash, JA Nikolich, MB Vazquez, WP Tibbetts, M Behera, PK Chai, X Charles, MJ Mallik, U Meyer, NT Ziegler, V Cochran, J Crawley, HB Dong, L Eyges, V Meyer, WT Prell, S Rosenberg, EI Rubin, AE Gritsan, AV Guo, ZJ Lae, CK Denig, AG Fritsch, M Schott, G Arnaud, N Bequilleux, J Davier, M Grosdidier, G Hocker, A Lepeltier, V Le Diberder, F Lutz, AM Pruvot, S Rodier, S Roudeau, P Schune, MH Serrano, J Sordini, V Stocchi, A Wang, WF Wormser, G Lange, DJ Wright, DM Bingham, I Chavez, CA Forster, IJ Fry, JR Gabathuler, E Gamet, R Hutchcroft, DE Payne, DJ Schofield, KC Touramanis, C Bevan, AJ George, KA Di Lodovico, F Menges, W Sacco, R Cowan, G Flaecher, HU Hopkins, DA Paramesvaran, S Salvatore, F Wren, AC Brown, DN Davis, CL Allison, J Barlow, NR Barlow, RJ Chia, YM Edgar, CL Lafferty, GD West, TJ Yi, JI Anderson, J Chen, C Jawahery, A Roberts, DA Simi, G Tuggle, JM Blaylock, G Dallapiccola, C Hertzbach, SS Li, X Moore, TB Salvati, E Saremi, S Cowan, R Dujmic, D Fisher, PH Koeneke, K Sciolla, G Sekula, SJ Spitznagel, M Taylor, F Yamamoto, RK Zhao, M Zheng, Y Mclachlin, SE Patel, PM Robertson, SH Lazzaro, A Palombo, F Bauer, JM Cremaldi, L Eschenburg, V Godang, R Kroeger, R Sanders, DA Summers, DJ Zhao, HW Brunet, S Cote, D Simard, M Taras, P Viaud, FB Nicholson, H Fabozzi, F Lista, L Monorchio, D Sciacca, C Baak, MA Raven, G Snoek, HL Jessop, CP LoSecco, JM Benelli, G Corwin, LA Honscheid, K Kagan, H Kass, R Morris, JP Rahimi, AM Regensburger, JJ Wong, QK Blount, NL Brau, J Frey, R Igonkina, O Kolb, JA Lu, M Rahmat, R Sinev, NB Strom, D Strube, J Torrence, E Gagliardi, N Gaz, A Margoni, M Morandin, M Pompili, A Posocco, M Rotondo, M Simonetto, F Stroili, R Voci, C Ben-Haim, E Briand, H Calderini, G Chauveau, J David, P Del Buono, L de la Vaissiere, C Hamon, O Leruste, P Malcles, J Ocariz, J Perez, A Gladney, L Biasini, M Covarelli, R Manoni, E Angelini, C Batignani, G Bettarini, S Carpinelli, M Cenci, R Cervelli, A Forti, F Giorgi, MA Lusiani, A Marchiori, G Mazur, MA Morganti, M Neri, N Paoloni, E Rizzo, G Walsh, JJ Haire, M Biesiada, J Elmer, P Lau, YP Lu, C Olsen, J Smith, AJS Telnov, AV Baracchini, E Bellini, F Cavoto, G D'Orazio, A del Re, D Di Marco, E Faccini, R Ferrarotto, F Ferroni, F Gaspero, M Jackson, PD Gioi, LL Mazzoni, MA Morganti, S Piredda, G Polci, F Renga, F Voena, C Ebert, M Hartmann, T Schroder, H Waldi, R Adye, T Castelli, G Franek, B Olaiya, EO Ricciardi, S Roethel, W Wilson, FF Aleksan, R Emery, S Escalier, M Gaidot, A Ganzhur, SF de Monchenault, GH Kozanecki, W Vasseur, G Yeche, C Zito, M Chen, XR Liu, H Park, W Purohit, MV Wilson, JR Allen, MT Aston, D Bartoldus, R Bechtle, P Berger, N Claus, R Coleman, JP Convery, MR Dingfelder, JC Dorfan, J Dubois-Felsmann, GP Dunwoodie, W Field, RC Glanzman, T Gowdy, SJ Graham, MT Grenier, P Hast, C Hryn'ova, T Innes, WR Kaminski, J Kelsey, MH Kim, H Kim, P Kocian, ML Leith, DWGS Li, S Luitz, S Luth, V Lynch, HL MacFarlane, DB Marsiske, H Messner, R Muller, DR O'Grady, CP Ofte, I Perazzo, A Perl, M Pulliam, T Ratcliff, BN Roodman, A Salnikov, AA Schindler, RH Schwiening, J Snyder, A Stelzer, J Su, D Sullivan, MK Suzuki, K Swain, SK Thompson, JM Va'vra, J van Bakel, N Wagner, AP Weaver, M Wisniewski, WJ Wittgen, M Wright, DH Yarritu, AK Yi, K Young, CC Burchat, PR Edwards, AJ Majewski, SA Petersen, BA Wilden, L Ahmed, S Alam, MS Bula, R Jain, JAEV Pan, B Saeed, MA Wappler, FR Zain, SB Bugg, W Krishnamurthy, M Spanier, SM Eckmann, R Ritchie, JL Ruland, AM Schilling, CJ Schwitters, RF Izen, JM Lou, XC Ye, S Bianchi, F Gallo, F Gamba, D Pelliccioni, M Bomben, M Bosisio, L Cartaro, C Cossutti, F Della Ricca, G Lanceri, L Vitale, L Azzolini, V Lopez-March, N Martinez-Vidal, F Milanes, DA Oyanguren, A Albert, J Banerjee, S Bhuyan, B Hamano, K Kowalewski, R Nugent, IM Roney, JM Sobie, RJ Back, JJ Harrison, PF Ilic, J Latham, TE Mohanty, GB Pappagallo, M Band, HR Chen, X Dasu, S Flood, KT Hollar, JJ Kutter, PE Pan, Y Pierini, M Prepost, R Wu, SL Neal, H AF Aubert, B. Bona, M. Boutigny, D. Karyotakis, Y. Lees, J. P. Poireau, V. Prudent, X. Tisserand, V. Zghiche, A. Grauges, E. Lopez, L. Palano, A. Eigen, G. Stugu, B. Sun, L. Abrams, G. S. Battaglia, M. Brown, D. N. Button-Shafer, J. Cahn, R. N. Groysman, Y. Jacobsen, R. G. Kadyk, J. A. Kerth, L. T. Kolomensky, Yu. G. Kukartsev, G. Pegna, D. Lopes Lynch, G. Mir, L. M. Orimoto, T. J. Ronan, M. T. Tackmann, K. Wenzel, W. A. Del Amo Sanchez, P. Hawkes, C. M. Watson, A. T. Held, T. Koch, H. Lewandowski, B. Pelizaeus, M. Schroeder, T. Steinke, M. Walker, D. Asgeirsson, D. J. Cuhadar-Donszelmann, T. Fulsom, B. G. Hearty, C. Mattison, T. S. McKenna, J. A. Khan, A. Saleem, M. Teodorescu, L. Blinov, V. E. Bukin, A. D. Druzhinin, V. P. Golubev, V. B. Onuchin, A. P. Serednyakov, S. I. Skovpen, Yu. I. Solodov, E. P. Todyshev, K. Yu. Bondioli, M. Curry, S. Eschrich, I. Kirkby, D. Lankford, A. J. Lund, P. Mandelkern, M. Martin, E. C. Stoker, D. P. Abachi, S. Buchanan, C. Foulkes, S. D. Gary, J. W. Liu, F. Long, O. Shen, B. C. Zhang, L. Paar, H. P. Rahatlou, S. Sharma, V. Berryhill, J. W. Campagnari, C. Cunha, A. Dahmes, B. Hong, T. M. Kovalskyi, D. Richman, J. D. Beck, T. W. Eisner, A. M. Flacco, C. J. Heusch, C. A. Kroseberg, J. Lockman, W. S. Schalk, T. Schumm, B. A. Seiden, A. Williams, D. C. Wilson, M. G. Winstrom, L. O. Chen, E. Cheng, C. H. Fang, F. Hitlin, D. G. Narsky, I. Piatenko, T. Porter, F. C. Andreassen, R. Mancinelli, G. Meadows, B. T. Mishra, K. Sokoloff, M. D. Blanc, F. Bloom, P. C. Chen, S. Ford, W. T. Hirschauer, J. F. Kreisel, A. Nagel, M. Nauenberg, U. Olivas, A. Smith, J. G. Ulmer, K. A. Wagner, S. R. Zhang, J. Gabareen, A. M. Soffer, A. Toki, W. H. Wilson, R. J. Winklmeier, F. Zeng, Q. Altenburg, D. D. Feltresi, E. Hauke, A. Jasper, H. Merkel, J. Petzold, A. Spaan, B. Wacker, K. Brandt, T. Klose, V. Kobel, M. J. Lacker, H. M. Mader, W. F. Nogowski, R. Schubert, J. Schubert, K. R. Schwierz, R. Sundermann, J. E. Volk, A. Bernard, D. Bonneaud, G. R. Latour, E. Lombardo, V. Thiebaux, Ch. Verderi, M. Clark, P. J. Gradl, W. Muheim, F. Playfer, S. Robertson, A. I. Xie, Y. Andreotti, M. Bettoni, D. Bozzi, C. Calabrese, R. Cecchi, A. Cibinetto, G. Franchini, P. Luppi, E. Negrini, M. Petrella, A. Piemontese, L. Prencipe, E. Santoro, V. Anulli, F. Baldini-Ferroli, R. Calcaterra, A. De Sangro, R. Finocchiaro, G. Pacetti, S. Patteri, P. Peruzzi, I. M. Piccolo, M. Rama, M. Zallo, A. Buzzo, A. Contri, R. Lo Vetere, M. Macri, M. M. Monge, M. R. Passaggio, S. Patrignani, C. Robutti, E. Santroni, A. Tosi, S. Chaisanguanthum, K. S. Morii, M. Wu, J. Dubitzky, R. S. Marks, J. Schenk, S. Uwer, U. Bard, D. J. Dauncey, P. D. Flack, R. L. Nash, J. A. Nikolich, M. B. Panduro Vazquez, W. Tibbetts, M. Behera, P. K. Chai, X. Charles, M. J. Mallik, U. Meyer, N. T. Ziegler, V. Cochran, J. Crawley, H. B. Dong, L. Eyges, V. Meyer, W. T. Prell, S. Rosenberg, E. I. Rubin, A. E. Gritsan, A. V. Guo, Z. J. Lae, C. K. Denig, A. G. Fritsch, M. Schott, G. Arnaud, N. Bequilleux, J. Davier, M. Grosdidier, G. Hoecker, A. Lepeltier, V. Le Diberder, F. Lutz, A. M. Pruvot, S. Rodier, S. Roudeau, P. Schune, M. H. Serrano, J. Sordini, V. Stocchi, A. Wang, W. F. Wormser, G. Lange, D. J. Wright, D. M. Bingham, I. Chavez, C. A. Forster, I. J. Fry, J. R. Gabathuler, E. Gamet, R. Hutchcroft, D. E. Payne, D. J. Schofield, K. C. Touramanis, C. Bevan, A. J. George, K. A. Di Lodovico, F. Menges, W. Sacco, R. Cowan, G. Flaecher, H. U. Hopkins, D. A. Paramesvaran, S. Salvatore, F. Wren, A. C. Brown, D. N. Davis, C. L. Allison, J. Barlow, N. R. Barlow, R. J. Chia, Y. M. Edgar, C. L. Lafferty, G. D. West, T. J. Yi, J. I. Anderson, J. Chen, C. Jawahery, A. Roberts, D. A. Simi, G. Tuggle, J. M. Blaylock, G. Dallapiccola, C. Hertzbach, S. S. Li, X. Moore, T. B. Salvati, E. Saremi, S. Cowan, R. Dujmic, D. Fisher, P. H. Koeneke, K. Sciolla, G. Sekula, S. J. Spitznagel, M. Taylor, F. Yamamoto, R. K. Zhao, M. Zheng, Y. Mclachlin, S. E. Patel, P. M. Robertson, S. H. Lazzaro, A. Palombo, F. Bauer, J. M. Cremaldi, L. Eschenburg, V. Godang, R. Kroeger, R. Sanders, D. A. Summers, D. J. Zhao, H. W. Brunet, S. Cote, D. Simard, M. Taras, P. Viaud, F. B. Nardo, G. De Fabozzi, F. Lista, L. Monorchio, D. Sciacca, C. Baak, M. A. Raven, G. Snoek, H. L. Jessop, C. P. LoSecco, J. M. Benelli, G. Corwin, L. A. Honscheid, K. Kagan, H. Kass, R. Morris, J. P. Rahimi, A. M. Regensburger, J. J. Wong, Q. K. Blount, N. L. Brau, J. Frey, R. Igonkina, O. Kolb, J. A. Lu, M. Rahmat, R. Sinev, N. B. Strom, D. Strube, J. Torrence, E. Gagliardi, N. Gaz, A. Margoni, M. Morandin, M. Pompili, A. Posocco, M. Rotondo, M. Simonetto, F. Stroili, R. Voci, C. Ben-Haim, E. Briand, H. Calderini, G. Chauveau, J. David, P. Del Buono, L. de la Vaissiere, Ch. Hamon, O. Leruste, Ph. Malcles, J. Ocariz, J. Perez, A. Gladney, L. Biasini, M. Covarelli, R. Manoni, E. Angelini, C. Batignani, G. Bettarini, S. Carpinelli, M. Cenci, R. Cervelli, A. Forti, F. Giorgi, M. A. Lusiani, A. Marchiori, G. Mazur, M. A. Morganti, M. Neri, N. Paoloni, E. Rizzo, G. Walsh, J. J. Haire, M. Biesiada, J. Elmer, P. Lau, Y. P. Lu, C. Olsen, J. Smith, A. J. S. Telnov, A. V. Baracchini, E. Bellini, F. Cavoto, G. D'Orazio, A. del Re, D. Di Marco, E. Faccini, R. Ferrarotto, F. Ferroni, F. Gaspero, M. Jackson, P. D. Gioi, L. Li Mazzoni, M. A. Morganti, S. Piredda, G. Polci, F. Renga, F. Voena, C. Ebert, M. Hartmann, T. Schroeder, H. Waldi, R. Adye, T. Castelli, G. Franek, B. Olaiya, E. O. Ricciardi, S. Roethel, W. Wilson, F. F. Aleksan, R. Emery, S. Escalier, M. Gaidot, A. Ganzhur, S. F. de Monchenault, G. Hamel Kozanecki, W. Vasseur, G. Yeche, Ch. Zito, M. Chen, X. R. Liu, H. Park, W. Purohit, M. V. Wilson, J. R. Allen, M. T. Aston, D. Bartoldus, R. Bechtle, P. Berger, N. Claus, R. Coleman, J. P. Convery, M. R. Dingfelder, J. C. Dorfan, J. Dubois-Felsmann, G. P. Dunwoodie, W. Field, R. C. Glanzman, T. Gowdy, S. J. Graham, M. T. Grenier, P. Hast, C. Hryn'ova, T. Innes, W. R. Kaminski, J. Kelsey, M. H. Kim, H. Kim, P. Kocian, M. L. Leith, D. W. G. S. Li, S. Luitz, S. Luth, V. Lynch, H. L. MacFarlane, D. B. Marsiske, H. Messner, R. Muller, D. R. O'Grady, C. P. Ofte, I. Perazzo, A. Perl, M. Pulliam, T. Ratcliff, B. N. Roodman, A. Salnikov, A. A. Schindler, R. H. Schwiening, J. Snyder, A. Stelzer, J. Su, D. Sullivan, M. K. Suzuki, K. Swain, S. K. Thompson, J. M. Va'vra, J. van Bakel, N. Wagner, A. P. Weaver, M. Wisniewski, W. J. Wittgen, M. Wright, D. H. Yarritu, A. K. Yi, K. Young, C. C. Burchat, P. R. Edwards, A. J. Majewski, S. A. Petersen, B. A. Wilden, L. Ahmed, S. Alam, M. S. Bula, R. Jain, J. A. Ernst V. Pan, B. Saeed, M. A. Wappler, F. R. Zain, S. B. Bugg, W. Krishnamurthy, M. Spanier, S. M. Eckmann, R. Ritchie, J. L. Ruland, A. M. Schilling, C. J. Schwitters, R. F. Izen, J. M. Lou, X. C. Ye, S. Bianchi, F. Gallo, F. Gamba, D. Pelliccioni, M. Bomben, M. Bosisio, L. Cartaro, C. Cossutti, F. Della Ricca, G. Lanceri, L. Vitale, L. Azzolini, V. Lopez-March, N. Martinez-Vidal, F. Milanes, D. A. Oyanguren, A. Albert, J. Banerjee, Sw. Bhuyan, B. Hamano, K. Kowalewski, R. Nugent, I. M. Roney, J. M. Sobie, R. J. Back, J. J. Harrison, P. F. Ilic, J. Latham, T. E. Mohanty, G. B. Pappagallo, M. Band, H. R. Chen, X. Dasu, S. Flood, K. T. Hollar, J. J. Kutter, P. E. Pan, Y. Pierini, M. Prepost, R. Wu, S. L. Neal, H. CA BABAR Collaboration TI Search for B+->tau(+)nu SO PHYSICAL REVIEW D LA English DT Article ID PHYSICS AB We present a search for the decay B+->tau(+)nu using 383x10(6)B (B) over bar pairs collected at the Upsilon(4S) resonance with the BABAR detector at the SLAC PEP-II B-Factory. A sample of events with one reconstructed semileptonic B decay (B--> D(0)l - (v) over bar lX) is selected, and in the recoil a search for B+-> tau(+)nu is performed. The tau is identified in the following channels: tau(+)-> e(+)nu(v) over bar, tau(+)->mu(+)nu(v) over bar, tau(+)->pi(+)(v) over bar, and tau(+)->pi(+)pi(0)(v) over bar. We measure a branching fraction of B(B+->tau(+)nu)=(0.9 +/- 0.6(stat.)+/- 0.1(syst.))x10(-4). In the absence of a significant signal, we calculate an upper limit at the 90% confidence level of B(B+->tau(+)nu)< 1.7x10(-4). We calculate the product of the B meson decay constant f(B) and vertical bar V-ub vertical bar to be f(B)center dot vertical bar V-ub vertical bar=(7.2(-2.8)(+2.0)(stat.)+/- 0.2(syst.))x10(-4) GeV. C1 CNRS, IN2P3, Phys Particules Lab, F-74941 Annecy Le Vieux, France. Univ Savoie, F-74941 Annecy Le Vieux, France. Univ Barcelona, Fac Fis, Dept ECM, E-08028 Barcelona, Spain. Univ Bari, Dipartimento Fis, I-70126 Bari, Italy. Ist Nazl Fis Nucl, I-70126 Bari, Italy. Univ Bergen, Inst Phys, N-5007 Bergen, Norway. Univ Calif Berkeley, Berkeley, CA 94720 USA. Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA. Univ Birmingham, Birmingham B15 2TT, W Midlands, England. Ruhr Univ Bochum, Inst Phys Expt, D-44780 Bochum, Germany. Univ Bristol, Bristol BS8 1TL, Avon, England. Univ British Columbia, Vancouver, BC V6T 1Z1, Canada. Brunel Univ, Uxbridge UB8 3PH, Middx, England. Budker Inst Nucl Phys, Novosibirsk 630090, Russia. Univ Calif Irvine, Irvine, CA 92697 USA. Univ Calif Los Angeles, Los Angeles, CA 90024 USA. Univ Calif Riverside, Riverside, CA 92521 USA. Univ Calif San Diego, La Jolla, CA 92093 USA. Univ Calif Santa Barbara, Santa Barbara, CA 93106 USA. Univ Calif Santa Cruz, Inst Particle Phys, Santa Cruz, CA 95064 USA. CALTECH, Pasadena, CA 91125 USA. Univ Cincinnati, Cincinnati, OH 45221 USA. Univ Colorado, Boulder, CO 80309 USA. Colorado State Univ, Ft Collins, CO 80523 USA. Univ Dortmund, Inst Phys, D-44221 Dortmund, Germany. Tech Univ Dresden, Inst Kern & Teilchenphys, D-01062 Dresden, Germany. Ecole Polytech, IN2P3, CNRS, Lab Leprince Ringuet, F-91128 Palaiseau, France. Univ Edinburgh, Edinburgh EH9 3JZ, Midlothian, Scotland. Univ Ferrara, Dipartimento Fis, I-44100 Ferrara, Italy. Ist Nazl Fis Nucl, I-44100 Ferrara, Italy. Ist Nazl Fis Nucl, Nazl Frascati Lab, I-00044 Frascati, Italy. Univ Genoa, Dept Phys, I-16146 Genoa, Italy. Ist Nazl Fis Nucl, I-16146 Genoa, Italy. Harvard Univ, Cambridge, MA 02138 USA. Heidelberg Univ, Inst Phys, D-69120 Heidelberg, Germany. Univ London Imperial Coll Sci Technol & Med, London SW7 2AZ, England. Univ Iowa, Iowa City, IA 52242 USA. Iowa State Univ, Ames, IA 50011 USA. Johns Hopkins Univ, Baltimore, MD 21218 USA. Univ Karlsruhe, Inst Expt Kernphys, D-76021 Karlsruhe, Germany. CNRS, IN2P3, Lab Accelerateur Lineaire, F-91898 Orsay, France. Univ Paris 11, F-91898 Orsay, France. Lawrence Livermore Natl Lab, Livermore, CA 94550 USA. Univ Liverpool, Liverpool L69 7ZE, Merseyside, England. Queen Mary Univ London, London E1 4NS, England. Univ London Royal Holloway & Bedford New Coll, Egham TW20 0EX, Surrey, England. Univ Louisville, Louisville, KY 40292 USA. Univ Manchester, Manchester M13 9PL, Lancs, England. Univ Maryland, College Pk, MD 20742 USA. Univ Massachusetts, Amherst, MA 01003 USA. MIT, Nucl Sci Lab, Cambridge, MA 02139 USA. McGill Univ, Montreal, PQ H3A 2T8, Canada. Univ Milan, Dipartimento Fis, I-20133 Milan, Italy. Ist Nazl Fis Nucl, I-20133 Milan, Italy. Univ Mississippi, University, MS 38677 USA. Univ Montreal, Montreal, PQ H3C 3J7, Canada. Mt Holyoke Coll, S Hadley, MA 01075 USA. Univ Naples Federico II, Dipartimento Sci Fis, I-80126 Naples, Italy. Ist Nazl Fis Nucl, I-80126 Naples, Italy. NIKHEF, Natl INst Nucl Phys & High Energy Phys, NL-1009 DB Amsterdam, Netherlands. Univ Notre Dame, Notre Dame, IN 46556 USA. Ohio State Univ, Columbus, OH 43210 USA. Univ Oregon, Eugene, OR 97403 USA. Univ Padua, Dipartimento Fis, I-35131 Padua, Italy. Ist Nazl Fis Nucl, I-35131 Padua, Italy. Univ Paris 06, CNRS, IN2P3, Lab Phys Nucl & Hautes Energies, F-75252 Paris, France. Univ Paris 07, F-75252 Paris, France. Univ Penn, Philadelphia, PA 19104 USA. Univ Perugia, Dipartimento Fis, I-06100 Perugia, Italy. Ist Nazl Fis Nucl, I-06100 Perugia, Italy. Univ Pisa, Dipartimento Fis, Scuola Normale Super, I-56127 Pisa, Italy. Ist Nazl Fis Nucl, I-56127 Pisa, Italy. Princeton Univ, Princeton, NJ 08544 USA. Prairie View A&M Univ, Prairie View, TX 77446 USA. Univ Roma La Sapienza, Dipartimento Fis, I-00185 Rome, Italy. Ist Nazl Fis Nucl, I-00185 Rome, Italy. Univ Rostock, D-18051 Rostock, Germany. Rutherford Appleton Lab, Didcot OX11 0QX, Oxon, England. CEA Saclay, DSM Dapnia, F-91191 Gif Sur Yvette, France. Univ S Carolina, Columbia, SC 29208 USA. Stanford Linear Accelerator Ctr, Stanford, CA 94309 USA. Stanford Univ, Stanford, CA 94305 USA. SUNY Albany, Albany, NY 12222 USA. Univ Tennessee, Knoxville, TN 37996 USA. Univ Texas, Austin, TX 78712 USA. Univ Texas, Richardson, TX 75083 USA. Univ Turin, Dipartimento Fis Sperimentale, I-10125 Turin, Italy. Ist Nazl Fis Nucl, I-10125 Turin, Italy. Univ Valencia, IFIC, CSIC, E-46071 Valencia, Spain. Univ Victoria, Victoria, BC V8W 3P6, Canada. Univ Warwick, Dept Phys, Coventry CV4 7AL, W Midlands, England. Univ Wisconsin, Madison, WI 53706 USA. Yale Univ, New Haven, CT 06511 USA. Univ Perugia, Dipartimento Fis, I-06100 Perugia, Italy. Univ Basilicata, I-85100 Potenza, Italy. Univ Durham, Dept Phys, IPPP, Durham DH1 3LE, England. RP Aubert, B (reprint author), CNRS, IN2P3, Phys Particules Lab, F-74941 Annecy Le Vieux, France. RI Della Ricca, Giuseppe/B-6826-2013; Patrignani, Claudia/C-5223-2009; de Sangro, Riccardo/J-2901-2012; Rotondo, Marcello/I-6043-2012; Neri, Nicola/G-3991-2012; Forti, Francesco/H-3035-2011; Lista, Luca/C-5719-2008; Bellini, Fabio/D-1055-2009; Saeed, Mohammad Alam/J-7455-2012; Negrini, Matteo/C-8906-2014; Monge, Maria Roberta/G-9127-2012; Oyanguren, Arantza/K-6454-2014; Luppi, Eleonora/A-4902-2015; Calabrese, Roberto/G-4405-2015; Mir, Lluisa-Maria/G-7212-2015; Martinez Vidal, F*/L-7563-2014; Kolomensky, Yury/I-3510-2015; Lo Vetere, Maurizio/J-5049-2012; Lusiani, Alberto/N-2976-2015; Morandin, Mauro/A-3308-2016; Lusiani, Alberto/A-3329-2016; Di Lodovico, Francesca/L-9109-2016; Pappagallo, Marco/R-3305-2016; Calcaterra, Alessandro/P-5260-2015; Frey, Raymond/E-2830-2016 OI Della Ricca, Giuseppe/0000-0003-2831-6982; Patrignani, Claudia/0000-0002-5882-1747; de Sangro, Riccardo/0000-0002-3808-5455; Rotondo, Marcello/0000-0001-5704-6163; Neri, Nicola/0000-0002-6106-3756; Forti, Francesco/0000-0001-6535-7965; Bellini, Fabio/0000-0002-2936-660X; Saeed, Mohammad Alam/0000-0002-3529-9255; Negrini, Matteo/0000-0003-0101-6963; Monge, Maria Roberta/0000-0003-1633-3195; Oyanguren, Arantza/0000-0002-8240-7300; Raven, Gerhard/0000-0002-2897-5323; Luppi, Eleonora/0000-0002-1072-5633; Calabrese, Roberto/0000-0002-1354-5400; Mir, Lluisa-Maria/0000-0002-4276-715X; Martinez Vidal, F*/0000-0001-6841-6035; Kolomensky, Yury/0000-0001-8496-9975; Lo Vetere, Maurizio/0000-0002-6520-4480; Lusiani, Alberto/0000-0002-6876-3288; Morandin, Mauro/0000-0003-4708-4240; Lusiani, Alberto/0000-0002-6876-3288; Di Lodovico, Francesca/0000-0003-3952-2175; Pappagallo, Marco/0000-0001-7601-5602; Calcaterra, Alessandro/0000-0003-2670-4826; Frey, Raymond/0000-0003-0341-2636 NR 16 TC 40 Z9 40 U1 0 U2 2 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 1550-7998 J9 PHYS REV D JI Phys. Rev. D PD SEP PY 2007 VL 76 IS 5 AR 052002 DI 10.1103/PhysRevD.76.052002 PG 12 WC Astronomy & Astrophysics; Physics, Particles & Fields SC Astronomy & Astrophysics; Physics GA 215CV UT WOS:000249786800009 ER PT J AU Baker, J Goldberg, H Perez, G Sarcevic, I AF Baker, Joseph Goldberg, Haim Perez, Gilad Sarcevic, Ina TI Probing late neutrino mass properties with supernova neutrinos SO PHYSICAL REVIEW D LA English DT Article ID WATER CHERENKOV DETECTOR; STAR-FORMATION RATE; EXPLOSION MECHANISM; RELIC NEUTRINOS; OSCILLATION; FLUX; HYDRODYNAMICS; KAMIOKANDE; EVOLUTION; LIGHT AB Models of late-time neutrino mass generation contain new interactions of the cosmic background neutrinos with supernova relic neutrinos (SRNs). Exchange of an on-shell light scalar may lead to significant modification of the differential SRN flux observed at earth. We consider an Abelian U(1) model for generating neutrino masses at low scales, and show that there are cases for which the changes induced in the flux allow one to distinguish the Majorana or Dirac nature of neutrinos, as well as the type of neutrino mass hierarchy (normal or inverted or quasidegenerate). In some region of parameter space the determination of the absolute values of the neutrino masses is also conceivable. Measurements of the presence of these effects may be possible at the next-generation water Cerenkov detectors enriched with Gadolinium, or a 100 kton liquid argon detector. C1 Univ Arizona, Dept Phys, Tucson, AZ 85721 USA. Northeastern Univ, Dept Phys, Boston, MA 02115 USA. Univ Calif Berkeley, Ernest Orlando Lawrence Berkeley Natl Lab, Theoret Phys Grp, Berkeley, CA 94720 USA. SUNY Stony Brook, CN Yang Inst Theoret Phys State, Stony Brook, NY 11794 USA. RP Baker, J (reprint author), Univ Arizona, Dept Phys, Tucson, AZ 85721 USA. NR 74 TC 8 Z9 8 U1 0 U2 1 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 2470-0010 EI 2470-0029 J9 PHYS REV D JI Phys. Rev. D PD SEP PY 2007 VL 76 IS 6 AR 063004 DI 10.1103/PhysRevD.76.063004 PG 12 WC Astronomy & Astrophysics; Physics, Particles & Fields SC Astronomy & Astrophysics; Physics GA 215CW UT WOS:000249786900016 ER PT J AU Bodwin, GT Braaten, E Kang, D Lee, J AF Bodwin, Geoffrey T. Braaten, Eric Kang, Daekyoung Lee, Jungil TI Inclusive charm production in chi(b) decays SO PHYSICAL REVIEW D LA English DT Article ID ANTIQUARK BOUND-STATES; P-WAVE QUARKONIA; QCD PREDICTIONS; ANNIHILATION AB We calculate the inclusive decay rate of the spin-triplet bottomonium states chi(bJ) into charm hadrons, including the leading-order color-singlet and color-octet b (b) over bar annihilation mechanisms. We also calculate the momentum distribution of the charm quark from the decay of chi(bJ). The infrared divergences from the color-singlet process b (b) over bar -> c (c) over barg are factored into the probability density at the origin for a b (b) over bar pair in a color-octet state. That probability density can be determined phenomenologically from the fraction of decays of chi(bJ) that include charm hadrons. It can then be used to predict the partial widths into light hadrons for all four states in the P-wave bottomonium multiplet. C1 Argonne Natl Lab, High Energy Phys Div, Argonne, IL 60439 USA. Ohio State Univ, Dept Phys, Columbus, OH 43210 USA. Korea Univ, Dept Phys, Seoul 136701, South Korea. RP Bodwin, GT (reprint author), Argonne Natl Lab, High Energy Phys Div, 9700 S Cass Ave, Argonne, IL 60439 USA. NR 32 TC 23 Z9 23 U1 0 U2 0 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 2470-0010 EI 2470-0029 J9 PHYS REV D JI Phys. Rev. D PD SEP PY 2007 VL 76 IS 5 AR 054001 DI 10.1103/PhysRevD.76.054001 PG 18 WC Astronomy & Astrophysics; Physics, Particles & Fields SC Astronomy & Astrophysics; Physics GA 215CV UT WOS:000249786800023 ER PT J AU Creutz, M AF Creutz, Michael TI Effective potentials, thermodynamics, and twisted mass quarks SO PHYSICAL REVIEW D LA English DT Article ID FINITE-TEMPERATURE QCD; LATTICE QCD; CHIRAL PERTURBATION; FERMIONS AB Using effective Lagrangian arguments, I explore the qualitative behavior expected at finite temperature for two-flavor lattice QCD formulated with Wilson fermions and a twisted mass term. A rather rich phase structure is predicted, exhibiting Aoki's parity violating phase along with a deconfinement region forming a conical structure in the space of coupling, hopping parameter, and twisted mass variables. C1 Brookhaven Natl Lab, Dept Phys, Upton, NY 11973 USA. RP Creutz, M (reprint author), Brookhaven Natl Lab, Dept Phys, Upton, NY 11973 USA. EM creutz@bnl.gov NR 29 TC 6 Z9 6 U1 0 U2 0 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 1550-7998 J9 PHYS REV D JI Phys. Rev. D PD SEP PY 2007 VL 76 IS 5 AR 054501 DI 10.1103/PhysRevD.76.054501 PG 9 WC Astronomy & Astrophysics; Physics, Particles & Fields SC Astronomy & Astrophysics; Physics GA 215CV UT WOS:000249786800033 ER PT J AU Davoudiasl, H Rizzo, TG AF Davoudiasl, Hooman Rizzo, Thomas G. TI Signatures of spherical compactification at the CERN LHC SO PHYSICAL REVIEW D LA English DT Article ID KALUZA-KLEIN EXCITATIONS; SUPERSYMMETRY BREAKING; DIMENSION; TEV; MILLIMETER; HIERARCHY; COLLIDERS; PHYSICS; STATES AB TeV-scale extra dimensions may play an important role in electroweak or supersymmetry breaking. We examine the phenomenology of such dimensions, compactified on a sphere S-n, n >= 2, and show that they possess distinct features and signatures. For example, unlike flat toroidal manifolds, spheres do not trivially allow fermion massless modes. Acceptable phenomenology then generically leads to "nonuniversal" extra dimensions with "pole-localized" 4D fermions; the bosonic fields can be in the bulk. Because of spherical symmetry, some Kaluza-Klein (KK) modes of bulk gauge fields are either stable or extremely long-lived, depending on the graviton KK spectrum. Using precision electroweak data, we constrain the lightest gauge field KK modes to lie above similar or equal to 4 TeV. We show that some of these KK resonances are within the reach of the LHC in several different production channels. The models we study can be uniquely identified by their collider signatures. C1 Brookhaven Natl Lab, Dept Phys, Upton, NY 11973 USA. Stanford Linear Accelerator Ctr, Menlo Pk, CA 94025 USA. RP Davoudiasl, H (reprint author), Brookhaven Natl Lab, Dept Phys, Upton, NY 11973 USA. EM hooman@bnl.gov; rizzo@slac.stanford.edu NR 51 TC 4 Z9 4 U1 0 U2 0 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 2470-0010 EI 2470-0029 J9 PHYS REV D JI Phys. Rev. D PD SEP PY 2007 VL 76 IS 5 AR 055009 DI 10.1103/PhysRevD.76.055009 PG 10 WC Astronomy & Astrophysics; Physics, Particles & Fields SC Astronomy & Astrophysics; Physics GA 215CV UT WOS:000249786800051 ER PT J AU Fukaya, H Aoki, S Chiu, TW Hashimoto, S Kaneko, T Matsufuru, H Noaki, J Ogawa, K Onogi, T Yamada, N AF Fukaya, H. Aoki, S. Chiu, T. W. Hashimoto, S. Kaneko, T. Matsufuru, H. Noaki, J. Ogawa, K. Onogi, T. Yamada, N. CA JLQCD Collaboration TWQCD Collaboration TI Two-flavor lattice QCD in the epsilon regime and chiral random matrix theory SO PHYSICAL REVIEW D LA English DT Article ID EXACTLY MASSLESS QUARKS; MONTE-CARLO ALGORITHM; DIRAC OPERATOR; SYMMETRY; RENORMALIZATION; FERMIONS; CONDENSATE; TOPOLOGY; SPECTRA; MODES AB The low-lying eigenvalue spectrum of the QCD Dirac operator in the epsilon regime is expected to match with that of chiral random matrix theory (ChRMT). We study this correspondence for the case including sea quarks by performing two-flavor QCD simulations on the lattice. Using the overlap fermion formulation, which preserves exact chiral symmetry at finite lattice spacings, we push the sea quark mass down to similar to 3 MeV on a 16(3)x32 lattice at a lattice spacing a similar or equal to 0.11 fm. We compare the low-lying eigenvalue distributions and find a good agreement with the analytical predictions of ChRMT. By matching the lowest-lying eigenvalue we extract the chiral condensate, Sigma(M) over bar(S) over bar (2 GeV)=(251 +/- 7 +/- 11 MeV)(3), where errors represent statistical and higher order effects in the epsilon expansion. We also calculate the eigenvalue distributions on the lattices with heavier sea quarks at two lattice spacings. Although the epsilon expansion is not applied for those sea quarks, we find a reasonable agreement of the Dirac operator spectrum with ChRMT. The value of Sigma, after extrapolating to the chiral limit, is consistent with the estimate in the epsilon regime. C1 RIKEN, Theoret Phys Lab, Wako, Saitama 3510198, Japan. Univ Tsukuba, Grad Sch Pure & Appl Sci, Tsukuba, Ibaraki 3058571, Japan. Brookhaven Natl Lab, Riken BNL Res Ctr, Upton, NY 11973 USA. Natl Taiwan Univ, Dept Phys, Taipei 10617, Taiwan. Natl Taiwan Univ, Ctr Theoret Sci, Taipei 10617, Taiwan. High Energy Accelerator Res Org, KEK, Tsukuba, Ibaraki 3050801, Japan. Grad Univ Adv Studies, Sch High Energy Accelerator Sci, Tsukuba, Ibaraki 3050801, Japan. Kyoto Univ, Yukawa Inst Theoret Phys, Kyoto 6068502, Japan. RP Fukaya, H (reprint author), RIKEN, Theoret Phys Lab, Wako, Saitama 3510198, Japan. NR 47 TC 46 Z9 46 U1 0 U2 0 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 1550-7998 J9 PHYS REV D JI Phys. Rev. D PD SEP PY 2007 VL 76 IS 5 AR 054503 DI 10.1103/PhysRevD.76.054503 PG 12 WC Astronomy & Astrophysics; Physics, Particles & Fields SC Astronomy & Astrophysics; Physics GA 215CV UT WOS:000249786800035 ER PT J AU Fukushima, K Iida, K AF Fukushima, Kenji Iida, Kei TI Larkin-Ovchinnikov-Fulde-Ferrell state in two-color quark matter SO PHYSICAL REVIEW D LA English DT Article ID 2-FLAVOR COLOR SUPERCONDUCTOR; PHASE-DIAGRAM; EXCHANGE FIELD; FINITE-DENSITY; SU(2) QCD; LATTICE; CONDENSATION; TEMPERATURE; BARYON AB We explore the phase structure of two-color and two-flavor QCD in the space of the quark chemical potential mu(q) and the isospin chemical potential mu(I). Using a mean-field model we calculate the chiral and diquark condensates, sigma and Delta, self-consistently. In weak coupling and in the chiral limit, we confirm the interval of the isospin chemical potential, 0.71 Delta(0) w(geom), which should be generically favored by theories that slow structure formation relative to general relativity, is quite restricted by data already. We find w(grow)<-0.80 at 2 sigma. As an example, the best-fit flat Dvali-Gabadadze-Porrati model approximated by our parametrization lies beyond the 3 sigma contour for constraints from all the data sets. C1 Brookhaven Natl Lab, Upton, NY 11973 USA. Columbia Univ, Dept Phys, New York, NY 10027 USA. Columbia Univ, Inst String Cosmol & Astroparticle Phys, New York, NY 10027 USA. Columbia Univ, Dept Astron, New York, NY 10027 USA. RP Wang, S (reprint author), Brookhaven Natl Lab, Upton, NY 11973 USA. NR 73 TC 61 Z9 61 U1 0 U2 0 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 2470-0010 EI 2470-0029 J9 PHYS REV D JI Phys. Rev. D PD SEP PY 2007 VL 76 IS 6 AR 063503 DI 10.1103/PhysRevD.76.063503 PG 7 WC Astronomy & Astrophysics; Physics, Particles & Fields SC Astronomy & Astrophysics; Physics GA 215CW UT WOS:000249786900024 ER PT J AU Borzsonyi, T Ecke, RE AF Boerzsoenyi, Tamas Ecke, Robert E. TI Flow rule of dense granular flows down a rough incline SO PHYSICAL REVIEW E LA English DT Article ID SURFACE; RHEOLOGY; PLANE; COLLISION; BEHAVIOR; STEADY; MOTION AB We present experimental findings on the flow rule for granular flows on a rough inclined plane using various materials, including sand and glass beads of various sizes and four types of copper particles with different shapes. We characterize the materials by measuring h(s) (the thickness at which the flow subsides) as a function of the plane inclination theta on various surfaces. Measuring the surface velocity u of the flow as a function of flow thickness h, we find that for sand and glass beads the Pouliquen flow rule u/root gh similar to beta h/h(s) provides reasonable but not perfect collapse of the u(h) curves measured for various theta and mean particle diameter d. Improved collapse is obtained for sand and glass beads by using a recently proposed scaling of the form u/root gh = beta h tan(2) theta/h(s) tan(2) theta(1) where theta(1) is the angle at which the h(s)(theta) curves diverge. Measuring the slope beta for ten different sizes of sand and glass beads, we find a systematic, strong increase of beta with the divergence angle theta(1) of h(s). Copper materials with different shapes are not well described by either flow rule with u similar to h(3/2). C1 Los Alamos Natl Lab, Ctr Nonlinear Studies, Condensed Matter & Thermal Phys, Los Alamos, NM 87545 USA. Res Inst Solid State Phys & Opt, H-1525 Budapest, Hungary. RP Borzsonyi, T (reprint author), Los Alamos Natl Lab, Ctr Nonlinear Studies, Condensed Matter & Thermal Phys, POB 1663, Los Alamos, NM 87545 USA. EM btamas@szfki.hu OI Ecke, Robert/0000-0001-7772-5876 NR 34 TC 21 Z9 22 U1 0 U2 5 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 1539-3755 J9 PHYS REV E JI Phys. Rev. E PD SEP PY 2007 VL 76 IS 3 AR 031301 DI 10.1103/PhysRevE.76.031301 PN 1 PG 10 WC Physics, Fluids & Plasmas; Physics, Mathematical SC Physics GA 215CL UT WOS:000249785800052 PM 17930236 ER PT J AU Celardo, GL Izrailev, FM Zelevinsky, VG Berman, GP AF Celardo, G. L. Izrailev, F. M. Zelevinsky, V. G. Berman, G. P. TI Open system of interacting fermions: Statistical properties of cross sections and fluctuations SO PHYSICAL REVIEW E LA English DT Article ID UNIVERSAL CONDUCTANCE FLUCTUATIONS; COMPOUND-NUCLEUS SCATTERING; UNSTABLE QUANTUM STATES; S-MATRIX; OVERLAPPING RESONANCES; CHAOTIC SCATTERING; SUPERSYMMETRY METHOD; SHELL-MODEL; DYNAMICS; SPECTRUM AB Statistical properties of cross sections are studied for an open system of interacting fermions. The description is based on the effective non-Hermitian Hamiltonian that accounts for the existence of open decay channels preserving the unitarity of the scattering matrix. The intrinsic interaction is modeled by the two-body random ensemble of variable strength. In particular, the crossover region from isolated to overlapping resonances accompanied by the effect of the width redistribution creating superradiant and trapped states is studied in detail. The important observables, such as average cross section, its fluctuations, autocorrelation functions of the cross section, and scattering matrix, are very sensitive to the coupling of the intrinsic states to the continuum around the crossover. A detailed comparison is made of our results with standard predictions of statistical theory of cross sections, such as the Hauser-Feshbach formula for the average cross section and Ericson theory of fluctuations and correlations of cross sections. Strong deviations are found in the crossover region, along with the dependence on intrinsic interactions and the degree of chaos inside the system. C1 Univ Autonoma Puebla, Inst Fis, Puebla 72570, Mexico. Michigan State Univ, NSCL, Dept Phys & Astron, E Lansing, MI 48824 USA. Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87544 USA. RP Celardo, GL (reprint author), Univ Autonoma Puebla, Inst Fis, Apartado Postal J-48, Puebla 72570, Mexico. RI celardo, giuseppe/J-3629-2015 OI celardo, giuseppe/0000-0002-3679-1954 NR 52 TC 28 Z9 28 U1 0 U2 1 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 2470-0045 EI 2470-0053 J9 PHYS REV E JI Phys. Rev. E PD SEP PY 2007 VL 76 IS 3 AR 031119 DI 10.1103/PhysRevE.76.031119 PN 1 PG 12 WC Physics, Fluids & Plasmas; Physics, Mathematical SC Physics GA 215CL UT WOS:000249785800027 PM 17930211 ER PT J AU Cortis, A AF Cortis, Andrea TI Peclet-dependent memory kernels for transport in heterogeneous media SO PHYSICAL REVIEW E LA English DT Article ID ANOMALOUS TRANSPORT; TIME BEHAVIOR; RANDOM-WALK; FORMULATIONS; SOLUTE AB Transport in heterogeneous media can be described by partial differential equations, which exhibit convolutions with time and/or space memory kernels. In this work, we characterize the full time spectrum of time-memory kernels by applying a nonparametric inversion algorithm to macroscopic synthetic data for heterogeneous porous media, Our findings put into evidence the inherent nonuniqueness of the transport parameters for nonlocal transport models. Notably, we find that the Peclet number can be interpreted as an ancillary parameter of a family of probability distribution functions that characterizes the memory kernels of transport. C1 Lawrence Berkeley Lab, Div Earth Sci, Berkeley, CA 94720 USA. RP Cortis, A (reprint author), Lawrence Berkeley Lab, Div Earth Sci, Berkeley, CA 94720 USA. EM acortis@lbl.gov RI Cortis, Andrea/A-3525-2008 NR 20 TC 9 Z9 9 U1 0 U2 0 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 1539-3755 EI 1550-2376 J9 PHYS REV E JI Phys. Rev. E PD SEP PY 2007 VL 76 IS 3 AR 030102 DI 10.1103/PhysRevE.76.030102 PN 1 PG 4 WC Physics, Fluids & Plasmas; Physics, Mathematical SC Physics GA 215CL UT WOS:000249785800002 PM 17930186 ER PT J AU Simonetti, F Huang, L Duric, N Rama, O AF Simonetti, F. Huang, L. Duric, N. Rama, O. TI Imaging beyond the Born approximation: An experimental investigation with an ultrasonic ring array SO PHYSICAL REVIEW E LA English DT Article ID FAR-FIELD OPERATOR; INVERSE SCATTERING AB The classical diffraction limit excludes the possibility of resolving features of an object which are spaced less than half a wavelength apart when scattering experiments are performed from the far field. However, recently it has been shown that this limit could be a consequence of the Born approximation that neglects the distortion of the probing wave as it travels through the object to be imaged. Such a distortion, which is due to the multiple scattering phenomenon, can encode unlimited resolution in the radiating component of the scattered field thus leading to super resolution. In this context, a resolution better than lambda/3 has been reported in the case of elastic wave probing [F. Simonetti, Phys. Rev. E 73, 036619 (2006)], lambda being the wavelength of the wave illuminating the object. This paper demonstrates a resolution better than lambda/4 and approaching lambda/6 for objects immersed in a water bath probed by means of a ring transducer array that excites and detects ultrasonic pressure waves in a full view configuration. This is achieved despite the presence of a high level of noise in the measurements (the signal to noise ratio was below 0 dB). Moreover, while previous papers have provided experimental evidence of super resolution for objects small compared to the wavelength, here the case of extended objects is also investigated. C1 Univ London Imperial Coll Sci & Technol, Dept Mech Engn, London SW7 2AZ, England. Los Alamos Natl Lab, Los Alamos, NM 87545 USA. Wayne State Univ, Karmanos Canc Inst, Detroit, MI 48201 USA. RP Simonetti, F (reprint author), Univ London Imperial Coll Sci & Technol, Dept Mech Engn, London SW7 2AZ, England. EM f.simonetti@imperial.ac.uk OI Simonetti, Francesco/0000-0001-8772-0323 NR 28 TC 23 Z9 23 U1 0 U2 2 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 1539-3755 J9 PHYS REV E JI Phys. Rev. E PD SEP PY 2007 VL 76 IS 3 AR 036601 DI 10.1103/PhysRevE.76.036601 PN 2 PG 10 WC Physics, Fluids & Plasmas; Physics, Mathematical SC Physics GA 215CM UT WOS:000249785900059 PM 17930351 ER PT J AU Solis, MA de Llano, M Clark, JW Baker, GA AF Solis, M. A. de Llano, M. Clark, J. W. Baker, George A., Jr. TI Improved quantum hard-sphere ground-state equations of state SO PHYSICAL REVIEW E LA English DT Article ID PERTURBATION-THEORY; HIGH DENSITIES; FERMI FLUID; BOSE SYSTEM; ENERGY; GAS; TEMPERATURE; LIQUID-HE-3; PACKING; HELIUM AB The London ground-state energy formula as a function of number density for a system of identical boson hard spheres, corrected for the reduced mass of a pair of particles in a "sphere-of-influence" picture, and generalized to fermion hard-sphere systems with two and four intrinsic degrees of freedom, has a double-pole at the ultimate regular (or periodic, e.g., face-centered-cubic) close-packing density usually associated with a crystalline branch. Improved fluid branches are constructed based upon exact, field-theoretic perturbation-theory low-density expansions for many-boson and many-fermion systems, extrapolated to intermediate densities via Pade and other approximants, but whose ultimate density is irregular or random closest close-packing as suggested in studies of a classical system of hard spheres. Results show substantially improved agreement with the best available Green-function Monte Carlo and diffusion Monte Carlo simulations for bosons, as well as with ladder, variational Fermi hypernetted chain, and so-called L-expansion data for two-component fermions. C1 Washington Univ, Dept Phys, St Louis, MO 63130 USA. Univ Nacl Autonoma Mexico, Inst Fis, Mexico City 01000, DF, Mexico. Univ Nacl Autonoma Mexico, Inst Invest Mat, Mexico City 04510, DF, Mexico. Univ New Mexico, Consortium Amer Interdisciplinary Sci, Albuquerque, NM 87131 USA. Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA. RP Solis, MA (reprint author), Washington Univ, Dept Phys, St Louis, MO 63130 USA. NR 38 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 1539-3755 J9 PHYS REV E JI Phys. Rev. E PD SEP PY 2007 VL 76 IS 3 AR 031125 DI 10.1103/PhysRevE.76.031125 PN 1 PG 9 WC Physics, Fluids & Plasmas; Physics, Mathematical SC Physics GA 215CL UT WOS:000249785800033 PM 17930217 ER PT J AU Wilson, BG Gilleron, F Pain, JC AF Wilson, Brian G. Gilleron, Franck Pain, Jean-Christophe TI Further stable methods for the calculation of partition functions in the superconfiguration approach SO PHYSICAL REVIEW E LA English DT Article ID PLASMAS AB The extension to recursion over holes of the Gilleron and Pain method for calculating partition functions of a canonical ensemble of noninteracting bound electrons is presented as well as a generalization for the efficient computation of collisional line broadening. C1 Lawrence Livermore Natl Lab, Livermore, CA 94550 USA. CEA DIF, F-91680 Bruyeres Le Chatel, France. RP Wilson, BG (reprint author), Lawrence Livermore Natl Lab, PO Box 808, Livermore, CA 94550 USA. OI Pain, Jean-Christophe/0000-0002-7825-1315 NR 8 TC 9 Z9 9 U1 0 U2 0 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 1539-3755 J9 PHYS REV E JI Phys. Rev. E PD SEP PY 2007 VL 76 IS 3 AR 032103 DI 10.1103/PhysRevE.76.032103 PN 1 PG 3 WC Physics, Fluids & Plasmas; Physics, Mathematical SC Physics GA 215CL UT WOS:000249785800108 PM 17930292 ER PT J AU Bieniosek, FM Prost, LR Seidl, PA Molvik, AW Covo, MK AF Bieniosek, F. M. Prost, L. R. Seidl, P. A. Molvik, A. W. Covo, M. Kireeff TI Time-resolved measurements of desorbed gas during 1-MeV K+ pulsed beam deposition in a stainless steel target SO PHYSICAL REVIEW SPECIAL TOPICS-ACCELERATORS AND BEAMS LA English DT Article ID DESORPTION FLOWS; HEAVY-IONS; HYDROGEN; VACUUM AB Measurements were made of the density, species, and velocity of the desorbed gas cloud on intense K+ beam bombardment of a stainless steel target. Residual gas analyzer measurements indicate that the gas cloud consists of predominantly H-2. Energy analyzer measurements of doubly ionized beam ions show that the ratio of hydrogen gas production to beam density was approximately 3000 molecules/ion at normal incidence. Optical measurements of the evolution of the gas cloud during the beam pulse show a distribution with an average expansion velocity of about 0.5 mm/mu s. Comparison is made with a simple model of the gas cloud behavior. C1 Heavy Ion Fus Sci Virtual Natl Lab, Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA. Lawrence Livermore Natl Lab, Heavy Ion Fus Sci Virtual Natl Lab, Livermore, CA 94550 USA. RP Bieniosek, FM (reprint author), Heavy Ion Fus Sci Virtual Natl Lab, Lawrence Berkeley Natl Lab, 1 Cyclotron Rd, Berkeley, CA 94720 USA. EM fmbieniosek@lbl.gov NR 19 TC 5 Z9 5 U1 0 U2 1 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 1098-4402 J9 PHYS REV SPEC TOP-AC JI Phys. Rev. Spec. Top.-Accel. Beams PD SEP PY 2007 VL 10 IS 9 AR 093201 DI 10.1103/PhysRevSTAB.10.093201 PG 9 WC Physics, Nuclear; Physics, Particles & Fields SC Physics GA 219KU UT WOS:000250084400002 ER PT J AU Linz, U Alonso, J AF Linz, Ute Alonso, Jose TI What will it take for laser driven proton accelerators to be applied to tumor therapy? SO PHYSICAL REVIEW SPECIAL TOPICS-ACCELERATORS AND BEAMS LA English DT Article ID RADIATION-THERAPY; ION-BEAMS; PARTICLE SELECTION; PETAWATT; RADIOTHERAPY; FEASIBILITY; IRRADIATION; EXPERIENCES; ELECTRON; TARGETS AB After many years on the periphery of cancer therapy, the successes of proton and ion beams in tumor therapy are gradually receiving a higher degree of recognition. The considerable construction and acquisition costs are usually invoked to explain the slow market penetration of this favorable treatment modality. Recently, high-intensity lasers have been suggested as a potential, cost-saving alternative to cyclotrons or synchrotrons for oncology. This article will detail the technical requirements necessary for successful implementation of ion beam therapy (IBT)-the general term for proton and heavier-ion therapy. It will summarize the current state of laser acceleration of protons and will outline the very substantial developments still necessary for this technology to be successfully applied to IBT. C1 Forschungszentrum Julich, D-85425 Julich, Germany. Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA. RP Linz, U (reprint author), Forschungszentrum Julich, D-85425 Julich, Germany. EM u.linz@fz-juelich.de; JRAlonso@LBL.gov NR 34 TC 82 Z9 85 U1 9 U2 22 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 1098-4402 J9 PHYS REV SPEC TOP-AC JI Phys. Rev. Spec. Top.-Accel. Beams PD SEP PY 2007 VL 10 IS 9 AR 094801 DI 10.1103/PhysRevSTAB.10.094801 PG 8 WC Physics, Nuclear; Physics, Particles & Fields SC Physics GA 219KU UT WOS:000250084400005 ER PT J AU Stupakov, G AF Stupakov, G. TI Low frequency impedance of tapered transitions with arbitrary cross sections SO PHYSICAL REVIEW SPECIAL TOPICS-ACCELERATORS AND BEAMS LA English DT Article AB We study the impedance of a tapered transition at small frequencies for an arbitrary shape of the transition cross section. Our approach does not require a symmetry axis in the system ( unlike round geometry). We show that the calculation of the impedance reduces to finding a few auxiliary potential functions that satisfy two-dimensional Poisson equations with Dirichlet boundary conditions. In simple cases such solutions can be obtained analytically; for more complicated geometries they can easily be found numerically. We apply our method to axisymmetric geometry and reproduce results known from the literature. We then calculate the impedance of a taper with rectangular cross section in which the vertical dimension of the cross section is a slowly changing function of the longitudinal coordinate. Finally, we find a transverse kick experienced by a beam passing near a conducting wall with a variable distance from the beam to the wall. C1 Stanford Univ, Stanford Linear Accelerator Ctr, Stanford, CA 94309 USA. RP Stupakov, G (reprint author), Stanford Univ, Stanford Linear Accelerator Ctr, Stanford, CA 94309 USA. NR 11 TC 4 Z9 4 U1 0 U2 0 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 1098-4402 J9 PHYS REV SPEC TOP-AC JI Phys. Rev. Spec. Top.-Accel. Beams PD SEP PY 2007 VL 10 IS 9 AR 094401 DI 10.1103/PhysRevSTAB.10.094401 PG 9 WC Physics, Nuclear; Physics, Particles & Fields SC Physics GA 219KU UT WOS:000250084400004 ER PT J AU Algin, E Schiller, A Voinov, A Agvaanluvsan, U Belgya, T Bernstein, LA Brune, CR Chankova, R Garrett, PE Grimes, SM Guttormsen, M Hjorth-Jensen, M Hornish, MJ Johnson, CW Massey, T Mitchell, GE Rekstad, J Siem, S Younes, W AF Algin, E. Schiller, A. Voinov, A. Agvaanluvsan, U. Belgya, T. Bernstein, L. A. Brune, C. R. Chankova, R. Garrett, P. E. Grimes, S. M. Guttormsen, M. Hjorth-Jensen, M. Hornish, M. J. Johnson, C. W. Massey, T. Mitchell, G. E. Rekstad, J. Siem, S. Younes, W. TI Bulk properties of iron isotopes SO PHYSICS OF ATOMIC NUCLEI LA English DT Article AB Nuclear level densities and radiative strength functions (RSFs) in Fe-56 and Fe-57 were measured using the Fe-57(He-3, alpha gamma) and Fe-57(He-3, He-3'gamma) reactions, respectively, at the Oslo Cyclotron Laboratory. A low-energy enhancement in the RSF below 4-MeV energy was observed. This finding cannot be explained by common theoretical models. In a second experiment, two-step cascade intensities with soft primary transitions from the Fe-56(n, 2 gamma) reaction were measured. The agreement between the two experiments confirms the low-energy enhancement in the RSFs. In a third experiment, the neutron evaporation spectrum from the Mn-55(d, n)Fe-56 reaction was measured at 7-MeV deuteron energy at the John Edwards Accelerator Laboratory at Ohio University. Comparison of the level density of Fe-56 obtained from the first and third experiments gives an overall good agreement. Furthermore, observed enhancement for soft gamma rays is strengthened by the last experiment. C1 Eskisehir Osmangazi Univ, Dept Phys, Meselik, Turkey. Michigan State Univ, NSCL, E Lansing, MI 48824 USA. Ohio State Univ, Dept Phys & Astron, Athens, OH USA. Joint Inst Nucl Res, Frank Lab Neutron Phys, Dubna, Russia. N Carolina State Univ, Raleigh, NC 27695 USA. Triangle Univ Nucl Lab, Durham, NC 27706 USA. Lawrence Livermore Natl Lab, Livermore, CA USA. Inst Isotope & Surface Chem, HAs, Budapest, Hungary. Univ Oslo, Dept Phys, Oslo, Norway. San Diego State Univ, San Diego, CA 92182 USA. RP Algin, E (reprint author), Eskisehir Osmangazi Univ, Dept Phys, Meselik, Turkey. EM tavukcu@ogu.edu.tr RI Hjorth-Jensen, Morten/B-1417-2008 NR 13 TC 1 Z9 1 U1 0 U2 2 PU MAIK NAUKA/INTERPERIODICA/SPRINGER PI NEW YORK PA 233 SPRING ST, NEW YORK, NY 10013-1578 USA SN 1063-7788 J9 PHYS ATOM NUCL+ JI Phys. Atom. Nuclei PD SEP PY 2007 VL 70 IS 9 BP 1634 EP 1639 DI 10.1134/S1063778807090232 PG 6 WC Physics, Nuclear; Physics, Particles & Fields SC Physics GA 215PC UT WOS:000249820500023 ER PT J AU Albright, BJ Yin, L Bowers, KJ Hegelich, BM Flippo, KA Kwan, TJT Fernandez, JC AF Albright, B. J. Yin, L. Bowers, Kevin J. Hegelich, B. M. Flippo, K. A. Kwan, T. J. T. Fernandez, J. C. TI Relativistic Buneman instability in the laser breakout afterburner SO PHYSICS OF PLASMAS LA English DT Article ID HIGH-INTENSITY LASER; ION-ACCELERATION; 2-STREAM INSTABILITY; PROTON-BEAMS; ELECTRON; TARGETS; GENERATION; PLASMAS; DRIVEN; PULSES AB A new laser-driven ion acceleration mechanism has been identified in particle-in-cell simulations of high-contrast-ratio ultraintense lasers with very thin (10 s of nm) solid targets [Yin , Laser and Particle Beams 24, 291 (2006); Yin , Phys. Plasmas 13, 072701 (2007)]. After a brief period of target normal sheath acceleration (TNSA), "enhanced" TNSA follows. In this stage, the laser rapidly heats all the electrons in the target as the target thickness becomes comparable to the skin depth and enhanced acceleration of the ions results. Then, concomitant with the laser penetrating the target, a large accelerating longitudinal electric field is generated that co-moves with the ions. This last phase has been termed the laser "breakout afterburner" (BOA). Earlier work suggested that the BOA was associated with the Buneman instability that efficiently converts energy from the drift of the electrons into the ions. In this Brief Communication, this conjecture is found to be consistent with particle-in-cell simulation data and the analytic dispersion relation for the relativistic Buneman instability. (C) 2007 American Institute of Physics. C1 Los Alamos Natl Lab, Los Alamos, NM 87545 USA. RP Albright, BJ (reprint author), Los Alamos Natl Lab, POB 1663, Los Alamos, NM 87545 USA. EM balbright@lanl.gov RI Fernandez, Juan/H-3268-2011; Flippo, Kirk/C-6872-2009; OI Fernandez, Juan/0000-0002-1438-1815; Flippo, Kirk/0000-0002-4752-5141; Albright, Brian/0000-0002-7789-6525; Yin, Lin/0000-0002-8978-5320 NR 25 TC 48 Z9 49 U1 2 U2 18 PU AMER INST PHYSICS PI MELVILLE PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1, MELVILLE, NY 11747-4501 USA SN 1070-664X J9 PHYS PLASMAS JI Phys. Plasmas PD SEP PY 2007 VL 14 IS 9 AR 094502 DI 10.1063/1.2768933 PG 4 WC Physics, Fluids & Plasmas SC Physics GA 215DD UT WOS:000249787600050 ER PT J AU Delzanno, GL Evstatiev, EG Finn, JM AF Delzanno, Gian Luca Evstatiev, E. G. Finn, John M. TI Resistive effects on line-tied magnetohydrodynamic modes in cylindrical geometry SO PHYSICS OF PLASMAS LA English DT Article ID SOLAR CORONAL LOOPS; KINK MODES; PINCH; STABILITY; INSTABILITIES AB An investigation of the effect of resistivity on the linear stability of line-tied magnetohydrodynamic (MHD) modes is presented in cylindrical geometry, based on the method recently developed in the paper by Evstatiev [Phys. Plasmas 13, 072902 (2006)]. The method uses an expansion of the full solution of the problem in one-dimensional radial eigenfunctions. This method is applied to study sausage modes (m=0, m being the poloidal wavenumber), kink modes (m=1), and m=2 modes. All these modes can be resistively unstable. It is found that m not equal 0 modes can be unstable below the ideal MHD threshold due to resistive diffusion of the field lines, with growth rates proportional to resistivity. For these resistive modes, there is no indication of tearing, i.e., current sheets or boundary layers due to ideal MHD singularities. That is, resistivity acts globally on the whole plasma column and not in layers. Modes with m=0, on the other hand, can exist as tearing modes if the equilibrium axial magnetic field reverses sign within the plasma. (C) 2007 American Institute of Physics. C1 Los Alamos Natl Lab, Plasma Theory Grp T 15, Los Alamos, NM 87545 USA. RP Delzanno, GL (reprint author), Los Alamos Natl Lab, Plasma Theory Grp T 15, POB 1663, Los Alamos, NM 87545 USA. EM delzanno@lanl.gov OI Delzanno, Gian Luca/0000-0002-7030-2683 NR 28 TC 7 Z9 9 U1 0 U2 1 PU AMER INST PHYSICS PI MELVILLE PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1, MELVILLE, NY 11747-4501 USA SN 1070-664X J9 PHYS PLASMAS JI Phys. Plasmas PD SEP PY 2007 VL 14 IS 9 AR 092901 DI 10.1063/1.2760206 PG 11 WC Physics, Fluids & Plasmas SC Physics GA 215DD UT WOS:000249787600026 ER PT J AU Krommes, JA AF Krommes, John A. TI Nonequilibrium gyrokinetic fluctuation theory and sampling noise in gyrokinetic particle-in-cell simulations SO PHYSICS OF PLASMAS LA English DT Review ID DRIFT-WAVE TURBULENCE; REALIZABLE MARKOVIAN CLOSURE; STATISTICAL FLUID-DYNAMICS; PLASMA TURBULENCE; KINETIC-THEORY; DELTA-F; ISOTROPIC TURBULENCE; THERMAL FLUCTUATIONS; DIELECTRIC RESPONSE; CLASSICAL SYSTEMS AB The present state of the theory of fluctuations in gyrokinetic (GK) plasmas and especially its application to sampling noise in GK particle-in-cell (PIC) simulations is reviewed. Topics addressed include the Delta f method, the fluctuation-dissipation theorem for both classical and GK many-body plasmas, the Klimontovich formalism, sampling noise in PIC simulations, statistical closure for partial differential equations, the theoretical foundations of spectral balance in the presence of arbitrary noise sources, and the derivation of Kadomtsev-type equations from the general formalism. (C) 2007 American Institute of Physics. C1 Princeton Univ, Plasma Phys Lab, Princeton, NJ 08543 USA. RP Krommes, JA (reprint author), Princeton Univ, Plasma Phys Lab, POB 451,MS 28, Princeton, NJ 08543 USA. EM krommes@princeton.edu NR 96 TC 12 Z9 12 U1 1 U2 4 PU AMER INST PHYSICS PI MELVILLE PA 1305 WALT WHITMAN RD, STE 300, MELVILLE, NY 11747-4501 USA SN 1070-664X EI 1089-7674 J9 PHYS PLASMAS JI Phys. Plasmas PD SEP PY 2007 VL 14 IS 9 AR 090501 DI 10.1063/1.2759879 PG 26 WC Physics, Fluids & Plasmas SC Physics GA 215DD UT WOS:000249787600001 ER PT J AU Qin, H Phillips, CK Davidson, RC AF Qin, Hong Phillips, Cynthia K. Davidson, Ronald C. TI A new derivation of the plasma susceptibility tensor for a hot magnetized plasma without infinite sums of products of Bessel functions SO PHYSICS OF PLASMAS LA English DT Article ID GENERATED ALPHA-PARTICLES; LOWER HYBRID WAVES; CURRENT DRIVE; GYROKINETIC THEORY; SLOW WAVES; ABSORPTION AB The susceptibility tensor of a hot, magnetized plasma is conventionally expressed in terms of infinite sums of products of Bessel functions. For applications where the particle's gyroradius is larger than the wavelength, such as alpha particle dynamics interacting with lower-hybrid waves, and the focusing of charged particle beams using a solenoidal field, the infinite sums converge slowly. In this paper, a new derivation of the plasma susceptibility tensor is presented which exploits a symmetry in the particle's orbit to simplify the integration along the unperturbed trajectories. As a consequence, the infinite sums appearing in the conventional expression are replaced by definite double integrals over one gyroperiod, and the cyclotron resonances of all orders are captured by a single term. Furthermore, the double integrals can be carried out and expressed in terms of Bessel functions of complex order, in agreement with expressions deduced previously using the Newburger sum rule. From this new formulation, it is straightforward to derive the asymptotic form of the full hot plasma susceptibility tensor for a gyrotropic but otherwise arbitrary plasma distribution in the large gyroradius limit. These results are of more general importance in the numerical evaluation of the plasma susceptibility tensor. Instead of using the infinite sums occurring in the conventional expression, it is only necessary to evaluate the Bessel functions once according to the new expression, which has significant advantages, especially when the particle's gyroradius is large and the conventional infinite sums converge slowly. Depending on the size of the gyroradius, the computational saving enabled by this representation can be several orders-of-magnitude. (C) 2007 American Institute of Physics. C1 Princeton Univ, Plasma Phys Lab, Princeton, NJ 08543 USA. RP Qin, H (reprint author), Princeton Univ, Plasma Phys Lab, POB 451, Princeton, NJ 08543 USA. NR 21 TC 10 Z9 10 U1 1 U2 5 PU AMER INST PHYSICS PI MELVILLE PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1, MELVILLE, NY 11747-4501 USA SN 1070-664X J9 PHYS PLASMAS JI Phys. Plasmas PD SEP PY 2007 VL 14 IS 9 AR 092103 DI 10.1063/1.2769968 PG 8 WC Physics, Fluids & Plasmas SC Physics GA 215DD UT WOS:000249787600005 ER PT J AU Snavely, RA Zhang, B Akli, K Chen, Z Freeman, RR Gu, P Hatchett, SP Hey, D Hill, J Key, MH Izawa, Y King, J Kitagawa, Y Kodama, R Langdon, AB Lasinski, BF Lei, A MacKinnon, AJ Patel, P Stephens, R Tampo, M Tanaka, KA Town, R Toyama, Y Tsutsumi, T Wilks, SC Yabuuchi, T Zheng, J AF Snavely, R. A. Zhang, B. Akli, K. Chen, Z. Freeman, R. R. Gu, P. Hatchett, S. P. Hey, D. Hill, J. Key, M. H. Izawa, Y. King, J. Kitagawa, Y. Kodama, R. Langdon, A. B. Lasinski, B. F. Lei, A. MacKinnon, A. J. Patel, P. Stephens, R. Tampo, M. Tanaka, K. A. Town, R. Toyama, Y. Tsutsumi, T. Wilks, S. C. Yabuuchi, T. Zheng, J. TI Laser generated proton beam focusing and high temperature isochoric heating of solid matter SO PHYSICS OF PLASMAS LA English DT Article ID FAST IGNITION; FUSION; TARGETS; PULSES; PLASMA; MODEL AB The results of laser-driven proton beam focusing and heating with a high energy (170 J) short pulse are reported. Thin hemispherical aluminum shells are illuminated with the Gekko petawatt laser using 1 mu m light at intensities of similar to 3x10(18) W/cm(2) and measured heating of thin Al slabs. The heating pattern is inferred by imaging visible and extreme-ultraviolet light Planckian emission from the rear surface. When Al slabs 100 mu m thick were placed at distances spanning the proton focus beam waist, the highest temperatures were produced at 0.94x the hemisphere radius beyond the equatorial plane. Isochoric heating temperatures reached 81 eV in 15 mu m thick foils. The heating with a three-dimensional Monte Carlo model of proton transport with self-consistent heating and proton stopping in hot plasma was modeled. (C) 2007 American Institute of Physics. C1 Lawrence Livermore Natl Lab, Livermore, CA 94550 USA. Univ Calif Davis, Dept Appl Sci, Livermore, CA 94552 USA. Osaka Univ, Inst Laser Energet, Suita, Osaka 565, Japan. Ohio State Univ, Columbus, OH 14320 USA. Gen Atom, San Diego, CA 93286 USA. RP Snavely, RA (reprint author), Lawrence Livermore Natl Lab, POB 808, Livermore, CA 94550 USA. EM bbzhang@ucdavis.edu RI Patel, Pravesh/E-1400-2011; Toyama, Yusuke/H-8023-2012; Tampo, Motonobu/I-2897-2012; MacKinnon, Andrew/P-7239-2014; Kodama, Ryosuke/G-2627-2016; OI Toyama, Yusuke/0000-0003-3230-1062; MacKinnon, Andrew/0000-0002-4380-2906; Stephens, Richard/0000-0002-7034-6141 NR 26 TC 38 Z9 38 U1 0 U2 7 PU AMER INST PHYSICS PI MELVILLE PA 1305 WALT WHITMAN RD, STE 300, MELVILLE, NY 11747-4501 USA SN 1070-664X EI 1089-7674 J9 PHYS PLASMAS JI Phys. Plasmas PD SEP PY 2007 VL 14 IS 9 AR 092703 DI 10.1063/1.2774001 PG 5 WC Physics, Fluids & Plasmas SC Physics GA 215DD UT WOS:000249787600025 ER PT J AU Clark, DL Janecky, DR Lane, L AF Clark, David L. Janecky, David R. Lane, Leonard TI Cleanup, not cover-up, at Rocky flats - Reply SO PHYSICS TODAY LA English DT Letter C1 Los Alamos Natl Lab, Los Alamos, NM 87545 USA. LJ Lane Consulting Inc, Tucson, AZ USA. RP Janecky, DR (reprint author), Los Alamos Natl Lab, POB 1663, Los Alamos, NM 87545 USA. EM dlclark@lanl.gov; janecky@lanl.gov RI Clark, David/A-9729-2011 NR 1 TC 0 Z9 0 U1 1 U2 3 PU AMER INST PHYSICS PI MELVILLE PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1, MELVILLE, NY 11747-4501 USA SN 0031-9228 J9 PHYS TODAY JI Phys. Today PD SEP PY 2007 VL 60 IS 9 BP 10 EP + PG 2 WC Physics, Multidisciplinary SC Physics GA 208CD UT WOS:000249296500004 ER PT J AU Schiffer, J Johnson, C AF Schiffer, John Johnson, Charles TI Gillbert Jerome Perlow - Obituary SO PHYSICS TODAY LA English DT Biographical-Item C1 Argonne Natl Lab, Argonne, IL 60439 USA. RP Schiffer, J (reprint author), Argonne Natl Lab, 9700 S Cass Ave, Argonne, IL 60439 USA. NR 0 TC 0 Z9 0 U1 0 U2 1 PU AMER INST PHYSICS PI MELVILLE PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1, MELVILLE, NY 11747-4501 USA SN 0031-9228 J9 PHYS TODAY JI Phys. Today PD SEP PY 2007 VL 60 IS 9 BP 88 EP 89 DI 10.1063/1.2784699 PG 2 WC Physics, Multidisciplinary SC Physics GA 208CD UT WOS:000249296500031 ER PT J AU Gianotti, F Quigg, C AF Gianotti, Fabiola Quigg, Chris TI Eyes on the LHC SO PHYSICS TODAY LA English DT Article C1 CERN, Geneva, Switzerland. Fermilab Natl Accelerator Lab, Dept Theoret Phys, Batavia, IL 60510 USA. RP Gianotti, F (reprint author), CERN, Geneva, Switzerland. EM fabiola.gianotti@cern.ch; quigg@fnal.gov NR 1 TC 0 Z9 0 U1 0 U2 0 PU AMER INST PHYSICS PI MELVILLE PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1, MELVILLE, NY 11747-4501 USA SN 0031-9228 J9 PHYS TODAY JI Phys. Today PD SEP PY 2007 VL 60 IS 9 BP 90 EP 91 DI 10.1063/1.2784701 PG 2 WC Physics, Multidisciplinary SC Physics GA 208CD UT WOS:000249296500032 ER PT J AU Crease, RP AF Crease, Robert P. TI Critical point governing science SO PHYSICS WORLD LA English DT Editorial Material C1 SUNY Stony Brook, Dept Philosophy, Stony Brook, NY 11794 USA. Brookhaven Natl Lab, Upton, NY 11973 USA. RP Crease, RP (reprint author), SUNY Stony Brook, Dept Philosophy, Stony Brook, NY 11794 USA. EM rcrease@notes.cc.sunysb.edu NR 0 TC 0 Z9 0 U1 0 U2 0 PU IOP PUBLISHING LTD PI BRISTOL PA DIRAC HOUSE, TEMPLE BACK, BRISTOL BS1 6BE, ENGLAND SN 0953-8585 J9 PHYS WORLD JI Phys. World PD SEP PY 2007 VL 20 IS 9 BP 20 EP 20 PG 1 WC Physics, Multidisciplinary SC Physics GA 210GO UT WOS:000249444900025 ER PT J AU Sartori, F Lal, R Ebinger, MH Miller, RO AF Sartori, Fabio Lal, Rattan Ebinger, Michael H. Miller, Raymond O. TI Tree species and wood ash affect soil in Michigan's Upper Peninsula SO PLANT AND SOIL LA English DT Article DE poplar; aspen; European larch; wood ash; short-rotation woody crops; soil carbon; soil change; soil cations ID CARBON FOLLOWING AFFORESTATION; UNITED-STATES; HYBRID POPLAR; ORGANIC-MATTER; LOBLOLLY-PINE; PACIFIC-NORTHWEST; FOREST ECOSYSTEM; NUTRIENT POOLS; SEQUESTRATION; BIOMASS AB Tree species and wood ash application in plantations of short-rotation woody crops (SRWC) may have important effects on the soil productive capacity through their influence on soil organic matter (SOM) and exchangeable cations. An experiment was conducted to assess changes in soil C and N contents and pH within the 0-50 cm depth, and exchangeable cation (Ca2+, Mg2+, K+, and Na+) and extractable acidity concentrations within the 0-10 cm depth. The effects of different species (European larch [Larix decidua P. Mill.], aspen [Populus tremula L. x Populus tremuloides Michx.], and four poplar [Populus spp.] clones) and wood ash applications (0, 9, and 18 Mg ha(-1)) on soil properties were evaluated, using a common garden experiment (N=70 stands) over 7 years of management in Michigan's Upper Peninsula. Soils were of the Onaway series (fine-loamy, mixed, active, frigid Inceptic Hapludalfs). The NM-6 poplar clone had the greatest soil C and N contents in almost all ash treatment levels. Soil C contents were 7.5, 19.4, and 10.7 Mg C ha(-1) greater under the NM-6 poplar than under larch in the ash-free, medium-, and high-level plots, respectively. Within the surface layer, ash application increased soil C and N contents (P < 0.05) through the addition of about 0.7 Mg C ha(-1) and 3 kg N ha(-1) with the 9 Mg ha(-1) ash application (twofold greater C and N amounts were added with the 18 Mg ha(-1) application). During a decadal time scale, tree species had no effects-except for K+ on the concentrations of the exchangeable cations, pH, and extractable acidity. In contrast, ash application increased soil pH and the concentration of Ca2+ (P < 0.05), from 5.2 +/- 0.4 cmol(c) kg(-1) (ash-free plots) to 8.6 +/- 0.4 cmol(c) kg(-1) (high-level ash plots), and tended to increase the concentration of Mg2+ (P < 0.1), while extractable acidity was reduced (P < 0.05) from 5.6 +/- 0.2 cmol(c) kg(-1) (ash-free plots) to 3.7 +/- 0.2 cmol(c) kg(-1) (high-level plots). Wood ash application, within certain limits, not only had a beneficial effect on soil properties important to the long-term productivity of fast-growing plantations but also enhanced long-term soil C sequestration. C1 Ohio State Univ, Carbon Management & Sequestrat Ctr, Sch Environm & Nat Resources, Columbus, OH 43210 USA. Los Alamos Natl Lab, Los Alamos, NM 87545 USA. Michigan State Univ, Upper Peninsula Tree Improvement Ctr, Escanaba, MI 49829 USA. RP Sartori, F (reprint author), Ohio State Univ, Carbon Management & Sequestrat Ctr, Sch Environm & Nat Resources, 210 Kottman Hall,2021 Coffey Rd, Columbus, OH 43210 USA. EM fasartori@hotmail.com RI Lal, Rattan/D-2505-2013 NR 87 TC 5 Z9 5 U1 2 U2 16 PU SPRINGER PI DORDRECHT PA VAN GODEWIJCKSTRAAT 30, 3311 GZ DORDRECHT, NETHERLANDS SN 0032-079X J9 PLANT SOIL JI Plant Soil PD SEP PY 2007 VL 298 IS 1-2 BP 125 EP 144 DI 10.1007/s11104-007-9345-y PG 20 WC Agronomy; Plant Sciences; Soil Science SC Agriculture; Plant Sciences GA 210MJ UT WOS:000249460000011 ER PT J AU Pino, MT Skinner, JS Park, EJ Jeknic, Z Hayes, PM Thornashow, MF Chen, THH AF Pino, Maria-Teresa Skinner, Jeffrey S. Park, Eung-Jun Jeknic, Zoran Hayes, Patrick M. Thornashow, Michael F. Chen, Tony H. H. TI Use of a stress inducible promoter to drive ectopic AtCBF expression improves potato freezing tolerance while minimizing negative effects on tuber yield SO PLANT BIOTECHNOLOGY JOURNAL LA English DT Article DE potato; Solanum tuberosum; AtCBFs; freezing tolerance; tuber formation ID COLD-RESPONSE PATHWAY; LOW-TEMPERATURE; TRANSCRIPTION FACTORS; SOLANUM-COMMERSONII; GENE-TRANSFER; ARABIDOPSIS; ACCLIMATION; DROUGHT; TOMATO; CBF1 AB Solanum tuberosum is a frost-sensitive species incapable of cold acclimation. A brief exposure to frost can significantly reduce its yields, while hard frosts can completely destroy entire crops. Thus, gains in freezing tolerance of even a few degrees would be of considerable benefit relative to frost damage. The S. tuberosum cv. Umatilla was transformed with three Arabidopsis CBF genes (AtCBF1-3) driven by either a constitutive CaMV35S or a stress-inducible Arabidopsis rd29A promoter. AtCBF1 and AtCBF3 overexpression via the 35S promoter increased freezing tolerance about 2 degrees C, whereas AtCBF2 over-expression failed to increase freezing tolerance. Transgenic plants of AtCBF1 and AtCBF3 driven by the rd29A promoter reached the same level of freezing tolerance as the 35S versions within a few hours of exposure to low but non-freezing temperatures. Constitutive expression of AtCBF genes was associated with negative phenotypes, including smaller leaves, stunted plants, delayed flowering, and reduction or lack of tuber production. While imparting the same degree of freezing tolerance, control of AtCBF expression via the stress-inducible promoter ameliorated these negative phenotypic effects and restored tuber production to levels similar to wild-type plants. These results suggest that use of a stress-inducible promoter to direct CBF transgene expression can yield significant gains in freezing tolerance without negatively impacting agronomically important traits in potato. C1 Oregon State Univ, Dept Hort, Corvallis, OR 97331 USA. Oregon State Univ, Dept Crop & Soil Sci, Corvallis, OR 97331 USA. Kyung Hee Univ, Plant Metab Res Ctr, Yongin 446701, Gyeonggi Do, South Korea. Michigan State Univ, MSU DOE Plant Res Lab, E Lansing, MI 48824 USA. RP Chen, THH (reprint author), Oregon State Univ, Dept Hort, ALS 4017, Corvallis, OR 97331 USA. EM chent@hort.oregonstate.edu OI Jeknic, Zoran/0000-0002-3965-0401 NR 35 TC 70 Z9 85 U1 2 U2 21 PU BLACKWELL PUBLISHING PI OXFORD PA 9600 GARSINGTON RD, OXFORD OX4 2DQ, OXON, ENGLAND SN 1467-7644 J9 PLANT BIOTECHNOL J JI Plant Biotechnol. J. PD SEP PY 2007 VL 5 IS 5 BP 591 EP 604 DI 10.1111/j.1467-7652.2007.00269.x PG 14 WC Biotechnology & Applied Microbiology; Plant Sciences SC Biotechnology & Applied Microbiology; Plant Sciences GA 200VL UT WOS:000248790800004 PM 17559519 ER PT J AU Filichkin, SA Difazio, SP Brunner, AM Davis, JM Yang, ZK Kalluri, UC Arias, RS Etherington, E Tuskan, GA Strauss, SH AF Filichkin, Sergei A. Difazio, Stephen P. Brunner, Amy M. Davis, John M. Yang, Zamin K. Kalluri, Udaya C. Arias, Renee S. Etherington, Elizabeth Tuskan, Gerald A. Strauss, Steven H. TI Efficiency of gene silencing repeats vs. transitive RNAi in Arabidopsis: direct inverted vectors SO PLANT BIOTECHNOLOGY JOURNAL LA English DT Article DE rNA interference; Arabidopsis; transitive gene silencing vectors ID DOUBLE-STRANDED-RNA; TARGET GENE; TRANSGENIC PLANTS; MERISTEM IDENTITY; MESSENGER-RNA; MADS BOX; EXPRESSION; APETALA1; THALIANA; DNA AB We investigated the efficiency of RNA interference (RNAi) in Arabidopsis using transitive and homologous inverted repeat (hIR) vectors. hIR constructs carry self-complementary intron-spliced fragments of the target gene whereas transitive vectors have the target sequence fragment adjacent to an intron-spliced, inverted repeat of heterologous origin. Both transitive and hIR constructs facilitated specific and heritable silencing in the three genes studied (AP1, ETTIN and TTG1). Both types of vectors produced a phenotypic series that phenocopied reduction of function mutants for the respective target gene. The hIR yielded up to fourfold higher proportions of events with strongly manifested reduction of function phenotypes compared to transitive RNAi. We further investigated the efficiency and potential off-target effects of AP1 silencing by both types of vectors using genome-scale microarrays and quantitative RT-PCR. The depletion of AP1 transcripts coincided with reduction of function phenotypic changes among both hIR and transitive lines and also showed similar expression patterns among differentially regulated genes. We did not detect significant silencing directed against homologous potential off-target genes when constructs were designed with minimal sequence similarity. Both hIR and transitive methods are useful tools in plant biotechnology and genomics. The choice of vector will depend on specific objectives such as cloning throughput, number of events I and degree of suppression required. C1 Oregon State Univ, Dept Forest Sci, Corvallis, OR 97331 USA. Oregon State Univ, Dept Bot & Plant Pathol, Corvallis, OR 97331 USA. W Virginia Univ, Dept Biol, Morgantown, WV 26505 USA. Virginia Polytech Inst & State Univ, Dept Forestry, Blacksburg, VA 24061 USA. Univ Florida, Sch Forest Resources & Conservat, Plant Mol & Cellular Biol Program, Gainesville, FL 32611 USA. Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA. RP Strauss, SH (reprint author), Oregon State Univ, Dept Forest Sci, Peavy Hall 154, Corvallis, OR 97331 USA. EM steve.strauss@oregonstate.edu RI KALLURI, UDAYA/A-6218-2011; Tuskan, Gerald/A-6225-2011 OI Tuskan, Gerald/0000-0003-0106-1289 NR 46 TC 16 Z9 17 U1 0 U2 7 PU BLACKWELL PUBLISHING PI OXFORD PA 9600 GARSINGTON RD, OXFORD OX4 2DQ, OXON, ENGLAND SN 1467-7644 J9 PLANT BIOTECHNOL J JI Plant Biotechnol. J. PD SEP PY 2007 VL 5 IS 5 BP 615 EP 626 DI 10.1111/j.1467-7652.2007.00267.x PG 12 WC Biotechnology & Applied Microbiology; Plant Sciences SC Biotechnology & Applied Microbiology; Plant Sciences GA 200VL UT WOS:000248790800006 PM 17573806 ER PT J AU Hacquin, S Sharapov, SE Alper, B Challis, CD Fonseca, A Mazzucato, E Meigs, A Meneses, L Nunes, I Pinches, SD AF Hacquin, S. Sharapov, S. E. Alper, B. Challis, C. D. Fonseca, A. Mazzucato, E. Meigs, A. Meneses, L. Nunes, I. Pinches, S. D. CA JET EFDA Contributors TI Localized X-mode reflectometry measurements of Alfven eigenmodes on the JET tokamak SO PLASMA PHYSICS AND CONTROLLED FUSION LA English DT Article ID INTERNAL TRANSPORT BARRIER; JOINT EUROPEAN TORUS; MICROWAVE REFLECTOMETRY; DENSITY PROFILE; CASCADES; PLASMAS AB The detection of Alfven cascades is of great importance for the development of advanced plasma scenarios with reversed magnetic shear on the JET tokamak, since they allow the determination of the minimum of the safety factor and provide valuable information on the modes that may redistribute fast ions via resonant interaction. X-mode reflectometry is particularly powerful for this diagnosis since the time-frequency evolution, the mode amplitude and the radial localization of these Alfven eigenmodes ( AEs) can be simultaneously obtained. This paper reports on the first successful localized measurements of AEs achieved with the recently upgraded X-mode reflectometry diagnostic on JET. C1 Ctr Fusao Nucl, EURATOM Assoc, IST, P-1049001 Lisbon, Portugal. UKAEA, EURATOM, Fus Assoc, Culham Sci Ctr, Abingdon OX14 3DB, Oxon, England. Princeton Plasma Phys Lab, Princeton, NJ 08543 USA. Max Planck Inst Plasma Phys, EURATOM Assoc, D-85748 Garching, Germany. RP Hacquin, S (reprint author), CEN Cadarache, EURATOM Assoc, CEA, DSM DRFC, F-13108 St Paul Les Durance, France. RI Nunes, Isabel/D-1627-2017; OI Meneses, Luis/0000-0001-5781-9744 NR 26 TC 8 Z9 8 U1 0 U2 4 PU IOP PUBLISHING LTD PI BRISTOL PA DIRAC HOUSE, TEMPLE BACK, BRISTOL BS1 6BE, ENGLAND SN 0741-3335 J9 PLASMA PHYS CONTR F JI Plasma Phys. Control. Fusion PD SEP PY 2007 VL 49 IS 9 BP 1371 EP 1390 DI 10.1088/0741-3335/49/9/002 PG 20 WC Physics, Fluids & Plasmas SC Physics GA 214RJ UT WOS:000249755500002 ER PT J AU Gray, SK AF Gray, Stephen K. TI Surface plasmon-enhanced spectroscopy and photochemistry SO PLASMONICS LA English DT Article DE surface plasmons; surface-enhanced Raman spectroscopy; surface-enhanced infrared absorption; surface-enhanced fluorescence; extraordinary optical transmission; photochemistry ID RAMAN-SCATTERING SERS; LIGHT TRANSMISSION; ROUGH SURFACES; METAL-FILMS; FLUORESCENCE; MOLECULES; ARRAYS; NANOPARTICLES; NANOCRYSTALS AB A review of selected recent contributions to the area plasmon-enhanced spectroscopy and photochemistry is presented. C1 Ctr Nanoscale Mat, Div Chem, Argonne Natl Lab, Argonne, IL 60439 USA. RP Gray, SK (reprint author), Ctr Nanoscale Mat, Div Chem, Argonne Natl Lab, 9700 S Cass Ave, Argonne, IL 60439 USA. EM gray@tcg.anl.gov NR 44 TC 25 Z9 25 U1 3 U2 12 PU SPRINGER PI NEW YORK PA 233 SPRING STREET, NEW YORK, NY 10013 USA SN 1557-1955 J9 PLASMONICS JI Plasmonics PD SEP PY 2007 VL 2 IS 3 BP 143 EP 146 DI 10.1007/s11468-007-9038-7 PG 4 WC Chemistry, Physical; Nanoscience & Nanotechnology; Materials Science, Multidisciplinary SC Chemistry; Science & Technology - Other Topics; Materials Science GA 237EN UT WOS:000251356700006 ER PT J AU Ahituv, N Zhu, Y Visel, A Holt, A Afzal, V Pennacchio, LA Rubin, EM AF Ahituv, Nadav Zhu, Yiwen Visel, Axel Holt, Amy Afzal, Veena Pennacchio, Len A. Rubin, Edward M. TI Deletion of ultraconserved elements yields viable mice SO PLOS BIOLOGY LA English DT Article ID CONSERVED NONCODING SEQUENCES; UNILATERAL RENAL AGENESIS; EMBRYONIC STEM-CELLS; MENTAL-RETARDATION; SOX3; MUTATION; ARX; REGULATORS; FOREBRAIN; NUMBER AB Ultraconserved elements have been suggested to retain extended perfect sequence identity between the human, mouse, and rat genomes due to essential functional properties. To investigate the necessities of these elements in vivo, we removed four noncoding ultraconserved elements (ranging in length from 222 to 731 base pairs) from the mouse genome. To maximize the likelihood of observing a phenotype, we chose to delete elements that function as enhancers in a mouse transgenic assay and that are near genes that exhibit marked phenotypes both when completely inactivated in the mouse and when their expression is altered due to other genomic modifications. Remarkably, all four resulting lines of mice lacking these ultraconserved elements were viable and fertile, and failed to reveal any critical abnormalities when assayed for a variety of phenotypes including growth, longevity, pathology, and metabolism. In addition, more targeted screens, informed by the abnormalities observed in mice in which genes in proximity to the investigated elements had been altered, also failed to reveal notable abnormalities. These results, while not inclusive of all the possible phenotypic impact of the deleted sequences, indicate that extreme sequence constraint does not necessarily reflect crucial functions required for viability. C1 Univ Calif Berkeley, Lawrence Berkeley Lab, Genom Div, Berkeley, CA 94720 USA. US Dept Energy Joint Genome Inst, Walnut Creek, CA USA. RP Rubin, EM (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, Genom Div, Berkeley, CA 94720 USA. EM EMRubin@lbl.gov RI Visel, Axel/A-9398-2009; OI Visel, Axel/0000-0002-4130-7784; Ahituv, Nadav/0000-0002-7434-8144 FU NHGRI NIH HHS [HG003988, R01 HG003988, R01 HG003988-02]; NHLBI NIH HHS [U01 HL066681, HL066681] NR 24 TC 161 Z9 170 U1 2 U2 9 PU PUBLIC LIBRARY SCIENCE PI SAN FRANCISCO PA 185 BERRY ST, STE 1300, SAN FRANCISCO, CA 94107 USA SN 1544-9173 J9 PLOS BIOL JI PLoS. Biol. PD SEP PY 2007 VL 5 IS 9 BP 1906 EP 1911 AR e234 DI 10.1371/journal.pbio.0050234 PG 6 WC Biochemistry & Molecular Biology; Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics GA 211VV UT WOS:000249552300010 PM 17803355 ER PT J AU Price, MN Dehal, PS Arkin, AP AF Price, Morgan N. Dehal, Paramvir S. Arkin, Adam P. TI Orthologous transcription factors in bacteria have different functions and regulate different genes SO PLOS COMPUTATIONAL BIOLOGY LA English DT Article ID MULTIPLE SEQUENCE ALIGNMENT; FACTOR-BINDING SITES; ESCHERICHIA-COLI; RHODOPSEUDOMONAS-PALUSTRIS; SHEWANELLA-ONEIDENSIS; COMPARATIVE GENOMICS; EXPRESSION PROFILES; MICROBIAL GENOMES; BACILLUS-SUBTILIS; GROWTH-CONDITIONS AB Transcription factors (TFs) form large paralogous gene families and have complex evolutionary histories. Here, we ask whether putative orthologs of TFs, from bidirectional best BLAST hits (BBHs), are evolutionary orthologs with conserved functions. We show that BBHs of TFs from distantly related bacteria are usually not evolutionary orthologs. Furthermore, the false orthologs usually respond to different signals and regulate distinct pathways, while the few BBHs that are evolutionary orthologs do have conserved functions. To test the conservation of regulatory interactions, we analyze expression patterns. We find that regulatory relationships between TFs and their regulated genes are usually not conserved for BBHs in Escherichia coli K12 and Bacillus subtilis. Even in the much more closely related bacteria Vibrio cholerae and Shewanella oneidensis MR-1, predicting regulation from E. coli BBHs has high error rates. Using gene-regulon correlations, we identify genes whose expression pattern differs between E. coli and S. oneidensis. Using literature searches and sequence analysis, we show that these changes in expression patterns reflect changes in gene regulation, even for evolutionary orthologs. We conclude that the evolution of bacterial regulation should be analyzed with phylogenetic trees, rather than BBHs, and that bacterial regulatory networks evolve more rapidly than previously thought. C1 Lawrence Berkeley Lab, Phys Biosci Div, Berkeley, CA 94720 USA. Univ Calif Berkeley, Virtual Inst Mirobial Stress & Survival, Berkeley, CA 94720 USA. Univ Calif Berkeley, Dept Bioengn, Berkeley, CA 94720 USA. RP Price, MN (reprint author), Lawrence Berkeley Lab, Phys Biosci Div, Berkeley, CA 94720 USA. EM morgannprice@yahoo.com RI Arkin, Adam/A-6751-2008 OI Arkin, Adam/0000-0002-4999-2931 NR 53 TC 65 Z9 66 U1 0 U2 3 PU PUBLIC LIBRARY SCIENCE PI SAN FRANCISCO PA 185 BERRY ST, STE 1300, SAN FRANCISCO, CA 94107 USA SN 1553-734X J9 PLOS COMPUT BIOL JI PLoS Comput. Biol. PD SEP PY 2007 VL 3 IS 9 BP 1739 EP 1750 AR e175 DI 10.1371/journal.pcbi.0030175 PG 12 WC Biochemical Research Methods; Mathematical & Computational Biology SC Biochemistry & Molecular Biology; Mathematical & Computational Biology GA 214VX UT WOS:000249767400008 PM 17845071 ER PT J AU Drell, SD AF Drell, Sidney D. TI Hans Bethe SO PROCEEDINGS OF THE AMERICAN PHILOSOPHICAL SOCIETY LA English DT Biographical-Item C1 Stanford Linear Accelerator, Menlo Pk, CA 94303 USA. RP Drell, SD (reprint author), Stanford Linear Accelerator, Menlo Pk, CA 94303 USA. NR 1 TC 0 Z9 0 U1 0 U2 0 PU AMER PHILOSOPHICAL SOC PI PHILADELPHIA PA 104 SOUTH FIFTH ST, PHILADELPHIA, PA 19106-3387 USA SN 0003-049X J9 P AM PHILOS SOC JI Proc. Amer. Philos. Soc. PD SEP PY 2007 VL 151 IS 3 BP 337 EP 344 PG 8 WC Humanities, Multidisciplinary SC Arts & Humanities - Other Topics GA 245SW UT WOS:000251957100006 ER PT J AU Bogen, KT Keating, GA Chan, JM Paine, LJ Simms, EL Nelson, DO Holly, EA AF Bogen, K. T. Keating, G. A., II Chan, J. M. Paine, L. J. Simms, E. L. Nelson, D. O. Holly, E. A. TI Highly elevated PSA and dietary PhIP intake in a prospective clinic-based study among African Americans SO PROSTATE CANCER AND PROSTATIC DISEASES LA English DT Review DE cooked meat; diet; energy; heterocyclic amines; mutagens; race ID PROSTATE-SPECIFIC ANTIGEN; HETEROCYCLIC AROMATIC-AMINES; FOOD FREQUENCY QUESTIONNAIRES; FAMILY-CANCER DATABASE; GRILLED RED MEAT; UNITED-STATES; WELL-DONE; COOKED FOODS; 2-AMINO-1-METHYL-6-PHENYLIMIDAZO<4,5-B>PYRIDINE PHIP; METABOLIC-ACTIVATION AB African-American men die from prostate cancer ( PC) nearly twice as often as white US men and consume about twice as much of the predominant US dietary heterocyclic amine, 2-amino-1-methyl- 6-phenylimidazo[4,5-b] pyridine (PhIP), a genotoxic rat-prostate carcinogen found primarily in well-cooked chicken and beef. To investigate the hypothesis that PhIP exposure increases PC risk, an ongoing prospective clinic-based study compared PC screening outcomes with survey-based estimates of dietary PhIP intake among 40-70-year-old African-American men with no prior PC in Oakland, CA. They completed food-frequency and meat-cooking/consumption questionnaires and had a prostate-specific antigen (PSA) test and digital-rectal exam. Results for 392 men indicated a 17 (+/- 17) ng/kg day mean (+/- 1 s.d.) daily intake of PhIP, about twice that of white US men of similar age. PhIP intake was attributable mostly to chicken (61%) and positively associated ( R-2 = 0.32, P < 0.0001) with saturated fat intake. An odds ratio (95% confidence interval) of 31 (3.1- 690) for highly elevated PSA >= 20 ng/ml was observed in the highest 15% vs lowest 50% of estimated daily PhIP intake ( >= 30 vs <= 10 ng/kg day) among men 50+ years old ( P = 0.0002 for trend) and remained significant after adjustment for self-reported family history of ( brother or father) PC, saturated fat intake and total energy intake. PSA measures were higher in African-American men with positive family history (P = 0.007 all men, P < 0.0001 highest PSA quartile). These preliminary results are consistent with a positive association between PhIP intake and highly elevated PSA, supporting the hypothesis that dietary intervention may help reduce PC risk. C1 Lawrence Livermore Natl Lab, Livermore, CA 94550 USA. Univ Calif San Francisco, Dept Epidemiol & Biostat, San Francisco, CA 94143 USA. Alta Bates Summit Med Ctr, Markstein Canc Educ & Prevent Ctr, Oakland, CA USA. RP Bogen, KT (reprint author), Lawrence Livermore Natl Lab, 7000 E Ave, Livermore, CA 94550 USA. EM bogen@LLNL.gov FU NCI NIH HHS [P01 CA 55861-01] NR 127 TC 14 Z9 14 U1 1 U2 3 PU NATURE PUBLISHING GROUP PI LONDON PA MACMILLAN BUILDING, 4 CRINAN ST, LONDON N1 9XW, ENGLAND SN 1365-7852 J9 PROSTATE CANCER P D JI Prostate Cancer Prostatic Dis. PD SEP PY 2007 VL 10 IS 3 BP 261 EP 269 DI 10.1038/sj.pcan.4500941 PG 9 WC Oncology; Urology & Nephrology SC Oncology; Urology & Nephrology GA 205OC UT WOS:000249122600018 PM 17224912 ER PT J AU Zubieta, C Krishna, SS McMullan, D Miller, MD Abdubek, P Agarwalla, S Ambing, E Astakhova, T Axelrod, HL Carlton, D Chiu, HJ Clayton, T Deller, M DiDonato, M Duan, L Elsliger, MA Grzechnik, SK Hale, J Hampton, E Han, GW Haugen, J Jaroszewski, L Jin, KK Klock, HE Knuth, MW Koesema, E Kumar, A Marciano, D Morse, AT Nigoghossian, E Oommachen, S Reyes, R Rife, CL van den Bedem, H Weekes, D White, A Xu, QP Hodgson, KO Wooley, J Deacon, AM Godzik, A Lesley, SA Wilson, IA AF Zubieta, Chloe Krishna, S. Sri McMullan, Daniel Miller, Mitchell D. Abdubek, Polat Agarwalla, Sanjay Ambing, Eileen Astakhova, Tamara Axelrod, Herbert L. Carlton, Dennis Chiu, Hsiu-Ju Clayton, Thomas Deller, Marc DiDonato, Michael Duan, Lian Elsliger, Marc-Andre Grzechnik, Slawomir K. Hale, Joanna Hampton, Eric Han, Gye Won Haugen, Justin Jaroszewski, Lukasz Jin, Kevin K. Klock, Heath E. Knuth, Mark W. Koesema, Eric Kumar, Abhinav Marciano, David Morse, Andrew T. Nigoghossian, Edward Oommachen, Silvya Reyes, Ron Rife, Christopher L. van den Bedem, Henry Weekes, Dana White, Aprilfawn Xu, Qingping Hodgson, Keith O. Wooley, John Deacon, Ashley M. Godzik, Adam Lesley, Scott A. Wilson, Ian A. TI Crystal structure of homoserine O-succinyltransferase from Bacillus cereus at 2.4 angstrom resolution SO PROTEINS-STRUCTURE FUNCTION AND BIOINFORMATICS LA English DT Article ID ENZYME-CATALYZED ACYLATION; METHIONINE BIOSYNTHESIS; MECHANISTIC CHARACTERIZATION; PROTEIN CRYSTALS; NUCLEIC-ACIDS; TRANSACETYLASE; METABOLISM; SHELXD; SYSTEM; PLANTS C1 Scripps Res Inst, La Jolla, CA 92037 USA. Stanford Univ, Stanford Synchrotron Radiat Lab, Menlo Pk, CA USA. Burnham Inst Med Res, La Jolla, CA USA. Univ Calif San Diego, Ctr Res Biol Syst, San Diego, CA 92103 USA. Novartis Res Fdn, Genom Inst, San Diego, CA USA. RP Wilson, IA (reprint author), Scripps Res Inst, BCC206,10550 N Torrey Pines Rd, La Jolla, CA 92037 USA. EM wilson@scripps.edu RI subramanian, srikrishna/D-5004-2009; Godzik, Adam/A-7279-2009 OI subramanian, srikrishna/0000-0002-3263-1048; Godzik, Adam/0000-0002-2425-852X FU NIGMS NIH HHS [P50 GM62411, P50 GM062411, U54 GM074898] NR 30 TC 6 Z9 7 U1 0 U2 6 PU WILEY-BLACKWELL PI MALDEN PA COMMERCE PLACE, 350 MAIN ST, MALDEN 02148, MA USA SN 0887-3585 J9 PROTEINS JI Proteins PD SEP PY 2007 VL 68 IS 4 BP 999 EP 1005 DI 10.1002/prot.21208 PG 7 WC Biochemistry & Molecular Biology; Biophysics SC Biochemistry & Molecular Biology; Biophysics GA 206MZ UT WOS:000249188900018 PM 17546672 ER PT J AU Gordon, KD Engelbracht, CW Fadda, D Stansberry, J Wachter, S Frayer, DT Rieke, G Noriega-Crespo, A Latter, WB Young, E Neugebauer, G Balog, Z Beeman, JW Dole, H Egami, E Haller, EE Hines, D Kelly, D Marleau, F Misselt, K Morrison, J Perez-Gonzalez, P Rho, J Wheaton, WA AF Gordon, Karl D. Engelbracht, Charles W. Fadda, Dario Stansberry, John Wachter, Stefanie Frayer, Dave T. Rieke, George Noriega-Crespo, Alberto Latter, William B. Young, Erick Neugebauer, Gerry Balog, Zoltan Beeman, Jeffrey W. Dole, Herve Egami, Eiichi Haller, Eugene E. Hines, Dean Kelly, Doug Marleau, Francine Misselt, Karl Morrison, Jane Perez-Gonzalez, Pablo Rho, Jeonghee Wheaton, Wm. A. TI Absolute calibration and characterization of the multiband imaging photometer for spitzer. II. 70 mu m imaging SO PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC LA English DT Article ID NEARBY GALAXIES; SOURCE COUNTS; EVOLUTION; SIRTF; STAR; MIPS; VIEW AB The absolute calibration and characterization of the Multiband Imaging Photometer for Spitzer (MIPS) 70 mu m coarse- and fine-scale imaging modes are presented based on over 2.5 yr of observations. Accurate photometry ( especially for faint sources) requires two simple processing steps beyond the standard data reduction to remove long-term detector transients. Point-spread function (PSF) fitting photometry is found to give more accurate flux densities than aperture photometry. Based on the PSF fitting photometry, the calibration factor shows no strong trend with flux density, background, spectral type, exposure time, or time since anneals. The coarse- scale calibration sample includes observations of stars with flux densities from 22 mJy to 17 Jy, on backgrounds from 4 to 26 MJy sr(-1), and with spectral types from B to M. The coarse- scale calibration is 702 +/- 35 MJy sr(-1) MIPS70(-1) (5% uncertainty) and is based on measurements of 66 stars. The instrumental units of the MIPS 70 mm coarse- and fine-scale imaging modes are called MIPS70 and MIPS70F, respectively. The photometric repeatability is calculated to be 4.5% from two stars measured during every MIPS campaign and includes variations on all timescales probed. The preliminary fine-scale calibration factor is 2894 +/- 294 MJy sr(-1) MIPS70F(-1) (10% uncertainty) based on 10 stars. The uncertainties in the coarse- and fine-scale calibration factors are dominated by the 4.5% photometric repeatability and the small sample size, respectively. The 5 sigma, 500 s sensitivity of the coarse- scale observations is 6-8 mJy. This work shows that the 5 sigma MIPS 70 mm array produces accurate, well-calibrated photometry and validates the MIPS 70 mu m operating strategy, especially the use of frequent stimulator flashes to track the changing responsivities of the Ge:Ga detectors. C1 CALTECH, Spitzer Sci Ctr, Pasadena, CA 91125 USA. CALTECH, NASA, Herschel Sci Ctr, Pasadena, CA 91125 USA. Lawrence Berkey Natl Lab, Mat Sci Div, Berkeley, CA USA. Inst Astronphys Spatiale, Orsay, France. Univ Calif Berkeley, Dept Mat Sci & Engn, Berkeley, CA USA. Space Sci Inst, Boulder, CO USA. Univ Complutense Madrid, Fac CC Fis, Dept Astronfis, Madrid, Spain. RP Gordon, KD (reprint author), Univ Arizona, Steward Observ, Tucson, AZ 85721 USA. RI Perez-Gonzalez, Pablo/J-2871-2016 OI Perez-Gonzalez, Pablo/0000-0003-4528-5639 NR 31 TC 152 Z9 152 U1 0 U2 1 PU UNIV CHICAGO PRESS PI CHICAGO PA 1427 E 60TH ST, CHICAGO, IL 60637-2954 USA SN 0004-6280 J9 PUBL ASTRON SOC PAC JI Publ. Astron. Soc. Pac. PD SEP PY 2007 VL 119 IS 859 BP 1019 EP 1037 DI 10.1086/522675 PG 19 WC Astronomy & Astrophysics SC Astronomy & Astrophysics GA 221LJ UT WOS:000250228500006 ER PT J AU Stansberry, JA Gordon, KD Bhattacharya, B Engelbracht, CW Rieke, GH Marleau, FR Fadda, D Frayer, DT Noriega-Crespo, A Wachter, S Young, ET Muller, TG Kelly, DM Blaylock, M Henderson, D Neugebauer, G Beeman, JW Haller, EE AF Stansberry, J. A. Gordon, K. D. Bhattacharya, B. Engelbracht, C. W. Rieke, G. H. Marleau, F. R. Fadda, D. Frayer, D. T. Noriega-Crespo, A. Wachter, S. Young, E. T. Mueller, T. G. Kelly, D. M. Blaylock, M. Henderson, D. Neugebauer, G. Beeman, J. W. Haller, E. E. TI Absolute calibration and characterization of the multiband imaging photometer for spitzer. III. An asteroid-based calibration of MIPS at 160 mu m SO PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC LA English DT Article ID INFRARED ARRAY CAMERA; SPACE-TELESCOPE; NEARBY GALAXIES; THERMAL-MODEL; ISOPHOT; STANDARDS; FIRAS; DUST; IRAC; WARM AB We describe the absolute calibration of the Multiband Imaging Photometer for Spitzer (MIPS) 160 mu m channel. After the on-orbit discovery of a near-IR ghost image that dominates the signal for sources hotter than about 2000 K, we adopted a strategy utilizing asteroids to transfer the absolute calibrations of the MIPS 24 and 70 mu m channels to the 160 mu m channel. Near-simultaneous observations at all three wavelengths are taken, and photometry at the two shorter wavelengths is fit using the standard thermal model. The 160 mu m flux density is predicted from those fits and compared with the observed 160 mu m signal to derive the conversion from instrumental units to surface brightness. The calibration factor we derive is 41.7 MJy sr(-1) MIPS160(-1) (MIPS160 being the instrumental units). The scatter in the individual measurements of the calibration factor, as well as an assessment of the external uncertainties inherent in the calibration, lead us to adopt an uncertainty of 5.0 MJy sr(-1) MIPS160(-1) (12%) for the absolute uncertainty on the 160 mu m flux density of a particular source as determined from a single measurement. For sources brighter than about 2 Jy, nonlinearity in the response of the 160 mu m detectors produces an underestimate of the flux density: for objects as bright as 4 Jy, measured flux densities are likely to be similar or equal to 20% too low. This calibration has been checked against that of the ISO ( using ULIRGs) and IRAS ( using IRAS-derived diameters), and is consistent with those at the 5% level. C1 Univ Arizona, Steward Observ, Tucson, AZ 85721 USA. CALTECH, Spitzer Sci Ctr, Pasadena, CA 91125 USA. Max Planck Inst, Garching, Germany. Lawrence Berkeley Natl Lab, Mat Sci Div, Berkeley, CA USA. Univ Calif Berkeley, Dept Mat Sci & Engn, Berkeley, CA 94720 USA. RP Stansberry, JA (reprint author), Univ Arizona, Steward Observ, Tucson, AZ 85721 USA. NR 37 TC 88 Z9 88 U1 0 U2 2 PU UNIV CHICAGO PRESS PI CHICAGO PA 1427 E 60TH ST, CHICAGO, IL 60637-2954 USA SN 0004-6280 J9 PUBL ASTRON SOC PAC JI Publ. Astron. Soc. Pac. PD SEP PY 2007 VL 119 IS 859 BP 1038 EP 1051 DI 10.1086/521880 PG 14 WC Astronomy & Astrophysics SC Astronomy & Astrophysics GA 221LJ UT WOS:000250228500007 ER PT J AU Moore, C Istrate, G Demopoulos, D Vardi, MY AF Moore, Cristopher Istrate, Gabriel Demopoulos, Demetrios Vardi, Moshe Y. TI A continuous-discontinuous second-order transition in the satisfiability of random Horn-SAT formulas SO RANDOM STRUCTURES & ALGORITHMS LA English DT Article DE satisfiability; phase transitions; differential equations; statistical physics ID PHASE-TRANSITION; RANDOM 3-SAT; THRESHOLD AB We compute the probability of satisfiability of a class of random Horn-SAT formulae, motivated by a connection with the nonemptiness problem of finite tree automata. In particular, when the maximum clause length is three, this model displays a curve in its parameter space, along which the probability of satisfiability is discontinuous, ending in a second-order phase transition where it is continuous but its derivative diverges. This is the first case in which a phase transition of this type has been rigorously established for a random constraint satisfaction problem. C1 Univ New Mexico, Dept Comp Sci, Albuquerque, NM 87131 USA. Santa Fe Inst, Santa Fe, NM 87501 USA. Los Alamos Natl Lab, CCS 5, Los Alamos, NM USA. Archimedean Acad, Miami, FL USA. Rice Univ, Dept Comp Sci, Houston, TX 77251 USA. RP Moore, C (reprint author), Univ New Mexico, Dept Comp Sci, Albuquerque, NM 87131 USA. EM moore@cs.unm.edu; istrate@lanl.gov; demetrios_demopoulos@archimedean.org; vardi@rice.edu NR 31 TC 2 Z9 2 U1 0 U2 2 PU WILEY-BLACKWELL PI HOBOKEN PA 111 RIVER ST, HOBOKEN 07030-5774, NJ USA SN 1042-9832 EI 1098-2418 J9 RANDOM STRUCT ALGOR JI Random Struct. Algorithms PD SEP PY 2007 VL 31 IS 2 BP 173 EP 185 DI 10.1002/rsa.20176 PG 13 WC Computer Science, Software Engineering; Mathematics, Applied; Mathematics SC Computer Science; Mathematics GA 201FJ UT WOS:000248816600003 ER PT J AU Jordan, G Teather, GG AF Jordan, Gretchen Teather, George G. TI Introduction to special issue on evaluating portfolios of research technology and development programs: challenges and good practice SO RESEARCH EVALUATION LA English DT Editorial Material C1 Sandia Natl Labs, Dept 0102, Albuquerque, NM 87185 USA. Performance Management Network, Ottawa, ON K1C 1Y1, Canada. RP Jordan, G (reprint author), Sandia Natl Labs, Dept 0102, MS 0351,POB 5800, Albuquerque, NM 87185 USA. EM gbjorda@sandia.gov; George.Teather@pmn.net NR 0 TC 1 Z9 1 U1 1 U2 2 PU BEECH TREE PUBLISHING PI GUILDFORD PA 10 WATFORD CLOSE,, GUILDFORD GU1 2EP, SURREY, ENGLAND SN 0958-2029 J9 RES EVALUAT JI Res. Evaluat. PD SEP PY 2007 VL 16 IS 3 BP 150 EP 151 DI 10.3152/095820207X239427 PG 2 WC Information Science & Library Science SC Information Science & Library Science GA 235DB UT WOS:000251212600001 ER PT J AU Reed, JH Jordan, G AF Reed, John H. Jordan, Gretchen TI Using systems theory and logic models to define integrated outcomes and performance measures in multi-program settings SO RESEARCH EVALUATION LA English DT Article; Proceedings Paper CT Annual Meeting of the American-Evaluation-Association CY NOV 03, 2006 CL Portland, OR SP Amer Evaluat Assoc AB This paper describes the application of diffusion of innovations theory (Rogers, 2003) to four domains representing the typical partners and target audiences of deployment programs in order to systematically define program outcomes. Diffusion of innovations is a broad systems theory that describes how technologies and practices are diffused and adopted. The theory is integrated with logical modeling to provide a powerful new tool for defining outcomes. The domains, the theory, the use of the theory to develop researchable issues and measures, and examples of its application to an energy-efficiency agency are provided. While this paper focuses on an energy-efficiency agency, with only. slight modification the approach can apply to other types of deployment agencies such as education, human service, health, or agriculture. C1 Innovol LLC, Rockville, MD 20850 USA. Sandia Natl Labs, Dept 01012, Albuquerque, NM 87185 USA. RP Reed, JH (reprint author), Innovol LLC, 305 Summer Garden Way, Rockville, MD 20850 USA. EM jreed@innovologie.com; gbjorda@sandia.gov NR 24 TC 6 Z9 6 U1 1 U2 4 PU BEECH TREE PUBLISHING PI GUILDFORD PA 10 WATFORD CLOSE,, GUILDFORD GU1 2EP, SURREY, ENGLAND SN 0958-2029 J9 RES EVALUAT JI Res. Evaluat. PD SEP PY 2007 VL 16 IS 3 BP 169 EP 181 DI 10.3152/095820207X243909 PG 13 WC Information Science & Library Science SC Information Science & Library Science GA 235DB UT WOS:000251212600004 ER PT J AU Mote, JE Jordan, G Hage, J Whitestone, Y AF Mote, Jonathon E. Jordan, Gretchen Hage, Jerald Whitestone, Yuko TI New directions in the use of network analysis in research and product development evaluation SO RESEARCH EVALUATION LA English DT Article; Proceedings Paper CT Annual Meeting of the American-Evaluation-Association CY NOV 03, 2006 CL Portland, OR SP Amer Evaluat Assoc ID RESEARCH-AND-DEVELOPMENT; SOCIAL NETWORKS; INNOVATION; COLLABORATION; PERFORMANCE; SCIENTISTS; CENTRALITY; KNOWLEDGE; SUCCESS; BIOTECHNOLOGY AB In recent years, the use of social network analysis (SNA) has received increased attention in R&D evaluation. While SNA provides insights into communication and knowledge flows, its efficacy in evaluation methodology remains unclear. As Rogers et al (2001) discuss, the applicability of SNA in the evaluation of R&D is marked by several shortcomings, such as the weakness of understanding the content of ties and the inability to identify a generalizable concept of network effectiveness. This paper explores these issues through a discussion of two recent studies of social networks in R&D and concludes with an assessment of the results of these studies using the challenges outlined by Rogers et al. C1 Univ Maryland, Ctr Innovat, College Pk, MD 20742 USA. Sandia Natl Labs, Dept 01012, Albuquerque, NM 87185 USA. RP Mote, JE (reprint author), Univ Maryland, Ctr Innovat, College Pk, MD 20742 USA. EM jmote@socy.umd.edu; gbjorda@sandia.gov; hage@socy.umd.edu; ywhitestone@socy.umd.edu OI Mote, Jonathon/0000-0003-0203-3992 NR 75 TC 9 Z9 9 U1 1 U2 17 PU BEECH TREE PUBLISHING PI GUILDFORD PA 10 WATFORD CLOSE,, GUILDFORD GU1 2EP, SURREY, ENGLAND SN 0958-2029 J9 RES EVALUAT JI Res. Evaluat. PD SEP PY 2007 VL 16 IS 3 BP 191 EP 203 DI 10.3152/095820207X235746 PG 13 WC Information Science & Library Science SC Information Science & Library Science GA 235DB UT WOS:000251212600006 ER PT J AU Downey, AD Hogan, TP Cook, B AF Downey, Adam D. Hogan, Timothy P. Cook, Bruce TI Characterization of thermoelectric elements and devices by impedance spectroscopy SO REVIEW OF SCIENTIFIC INSTRUMENTS LA English DT Article ID THERMAL-CONDUCTIVITY; HARMAN METHOD; FIGURE; MERIT; DIFFUSIVITY AB This article describes a new measurement technique that utilizes impedance spectroscopy for the characterization of thermoelectric materials and devices. Two circuit models were developed and used to help explain the impedance spectroscopy data using transmission line theory and a coupled electrothermal model. Two testing configurations have been investigated including one based on a sinusoidal source (ac lock-in technique) and one based on a pulsed wave source. Methods for reducing the measurement times for this technique are discussed. In addition, the influence of radiation losses on this measurement technique has also been analyzed to further understand the limitations of this technique at higher temperatures. (c) 2007 American Institute of Physics. C1 Michigan State Univ, Dept Elect & Comp Engn, E Lansing, MI 48824 USA. Iowa State Univ, Ames Lab, Ames, IA 50011 USA. RP Downey, AD (reprint author), Michigan State Univ, Dept Elect & Comp Engn, 2120 Engn Bldg, E Lansing, MI 48824 USA. NR 26 TC 17 Z9 17 U1 0 U2 15 PU AMER INST PHYSICS PI MELVILLE PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1, MELVILLE, NY 11747-4501 USA SN 0034-6748 J9 REV SCI INSTRUM JI Rev. Sci. Instrum. PD SEP PY 2007 VL 78 IS 9 AR 093904 DI 10.1063/1.2775432 PG 12 WC Instruments & Instrumentation; Physics, Applied SC Instruments & Instrumentation; Physics GA 215DF UT WOS:000249787800020 PM 17902959 ER PT J AU Grillet, AM Brooks, CF Bourdon, CJ Gorby, AD AF Grillet, Anne M. Brooks, Carlton F. Bourdon, Chris J. Gorby, Allen D. TI Three dimensional drop tracking flow chamber for coalescence studies SO REVIEW OF SCIENTIFIC INSTRUMENTS LA English DT Article ID FILM DRAINAGE AB We have developed a novel flow chamber which imposes a controlled axisymmetric stagnation flow to enable the study of external flow effects on coalescence dynamics. This system allows for the first time the precise positioning of a drop in a three dimensional flow and additionally enforces a highly symmetric flow around the drop. We focus on the study of a single drop approaching a stationary flat plane as this is analogous to two drops approaching each other. A single drop is created and then guided along the unsteady center line of a stagnation flow. The real time computer control algorithm analyzes video images of the drop in two orthogonal planes and manipulates flow restricting valves along the four outlets of the flow. We demonstrate using particle image velocimetry that the computer control not only controls the drop position but also ensures a symmetric flow inside the flow chamber. This chamber will enable a detailed investigation of the drainage of the thin film between the drop and the lower surface in order to probe the effect of external flow on coalescence. (c) 2007 American Institute of Physics. C1 Sandia Natl Labs, Microscale Sci & Technol, Albuquerque, NM 87185 USA. RP Grillet, AM (reprint author), Sandia Natl Labs, Microscale Sci & Technol, POB 5800, Albuquerque, NM 87185 USA. NR 14 TC 1 Z9 1 U1 0 U2 3 PU AMER INST PHYSICS PI MELVILLE PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1, MELVILLE, NY 11747-4501 USA SN 0034-6748 J9 REV SCI INSTRUM JI Rev. Sci. Instrum. PD SEP PY 2007 VL 78 IS 9 AR 093902 DI 10.1063/1.2780160 PG 5 WC Instruments & Instrumentation; Physics, Applied SC Instruments & Instrumentation; Physics GA 215DF UT WOS:000249787800018 PM 17902957 ER PT J AU Barabash, OM Barabash, R Ice, G David, S Feng, Z Horton, J AF Barabash, O. M. Barabash, R. I. Ice, G. E. David, S. A. Feng, Z. Horton, J. TI X-ray microbeam characterization of the near surface nanostructured layer in ti after friction stir processing SO REVIEWS ON ADVANCED MATERIALS SCIENCE LA English DT Article; Proceedings Paper CT Symposium on Complex Oxide Materials for New Technologies held at the 2006 E-MRS Fall Meeting CY SEP 04-08, 2006 CL Warsaw, POLAND ID SEVERE PLASTIC-DEFORMATION; RANGE INTERNAL-STRESSES; NANOCRYSTALLINE MATERIALS; CRYSTALS; DIFFRACTION; MICRODIFFRACTION; DISLOCATIONS; SCATTERING; RESOLUTION; METALS AB Plastic deformation and structural changes of a Ti surface after Friction Stir Processing (FSP) were analyzed by means of SEM, EBSD and advanced 3D polychromatic X-ray micro diffraction at the APS synchrotron. Spatially resolved 3D Laue diffraction allowed observing the changes in dislocation arrangement with depth in different regions of the FSP Ti. Formation of two specific zones was established: friction stir zone (FSZ), with an average thickness of 300 pm, and thermomechanicaly affected zone (TMAZ) with a thickness of 800 pm. It was shown that FSP generates a large number of dislocations. Maximal dislocation density is located within the TMAZ. Dislocation density gradually decreases and reaches the value typical for base metal. Within the TMAZ dislocations are distributed inhomogeneously. Inhomogeneity of plastic deformation and dislocations arrangement is found in 3D both within the individual grains and between separate grains. C1 Oak Ridge Natl Lab, Mat Sci & Technol Div, Oak Ridge, TN 37831 USA. RP Barabash, OM (reprint author), Oak Ridge Natl Lab, Mat Sci & Technol Div, 1 Bethel Valley Rd, Oak Ridge, TN 37831 USA. EM barabashom@ornl.gov RI Feng, Zhili/H-9382-2012 OI Feng, Zhili/0000-0001-6573-7933 NR 29 TC 5 Z9 5 U1 0 U2 3 PU INST PROBLEMS MECHANICAL ENGINEERING-RUSSIAN ACAD SCIENCES PI ST PTERSBURG PA BOLSHOJ 61, VAS OSTROV, ST PTERSBURG, 199178, RUSSIA SN 1606-5131 J9 REV ADV MATER SCI JI Rev. Adv. Mater. Sci. PD SEP PY 2007 VL 15 IS 1 BP 49 EP 55 PG 7 WC Nanoscience & Nanotechnology; Materials Science, Multidisciplinary SC Science & Technology - Other Topics; Materials Science GA 225VU UT WOS:000250547100009 ER PT J AU Paller, MH Littrell, JW AF Paller, M. H. Littrell, James W. TI Long-term changes in mercury concentrations in fish from the middle Savannah River SO SCIENCE OF THE TOTAL ENVIRONMENT LA English DT Article DE fish; mercury; Savannah River; long-term monitoring; temporal trends; long-term data ID DEPOSITION; TRENDS; METHYLMERCURY; LAKES; CONTAMINATION; METHYLATION; TRANSPORT; DYNAMICS; SYSTEMS; FLORIDA AB Total mercury levels were measured in largemouth bass (Micropterus salmoides), "sunfish" (Lepomis spp.), and "catfish" (primarily Ameiurus spp. and Ictalurus punctatus) from 1971 to 2004 in the middle Savannah River (river kin 191 to 302), which drains the coastal plain of the southeastern U.S. Total mercury concentrations were higher in largemouth bass (overall mean of 0.55 mg/kg from 1971 to 2004), a piscivorous (trophic level 4) species than in the other taxa (means of 0.22-0.26 mg/kg), but temporal trends were generally similar among taxa. Mercury levels were highest in 1971 but declined over the next 10 years due to the mitigation of point source industrial pollution. Mercury levels in fish began to increase in the 1980s as a likely consequence of mercury inputs from tributaries and associated wetlands where mercury concentrations were significantly elevated in water and fish. Mercury levels in Savannah River fish decreased sharply in 2001-2003 coincident with a severe drought in the Savannah River basin, but returned to previous levels in 2004 with the resumption of normal precipitation. Regression models showed that mercury levels in fish changed significantly over time and were affected by river discharge. Mercury levels in Savannah River fish were only slightly lower in 2004 (0.3 to 0.8 mg/kg) than in 1971 (0.4 to 1.0 mg/kg) despite temporal changes during the intervening years. (c) 2007 Elsevier B.V. All rights reserved. C1 Savannah River Natl Lab, Aiken, SC 29808 USA. SGCP Geoenvironm Assessement, Aiken, SC 29808 USA. RP Paller, MH (reprint author), Savannah River Natl Lab, Bldg 773-42A,Savannah River Site, Aiken, SC 29808 USA. EM michael.paller@srnl.doe.gov NR 40 TC 12 Z9 14 U1 4 U2 15 PU ELSEVIER SCIENCE BV PI AMSTERDAM PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS SN 0048-9697 J9 SCI TOTAL ENVIRON JI Sci. Total Environ. PD SEP 1 PY 2007 VL 382 IS 2-3 BP 375 EP 382 DI 10.1016/j.scitotenv.2007.04.018 PG 8 WC Environmental Sciences SC Environmental Sciences & Ecology GA 195OO UT WOS:000248421700019 PM 17544059 ER PT J AU Ozelli, KL Volkow, ND AF Ozelli, Kristin Leutwyler Volkow, Nora D. TI This is your brain on food - Neuroimaging reveals a shared basis for chocoholia and drug addiction SO SCIENTIFIC AMERICAN LA English DT Editorial Material C1 Natl Inst Drug Abuse, Bethesda, MD 20892 USA. SUNY Stony Brook, Sch Med, Stony Brook, NY 11790 USA. Brookhaven Natl Lab, Upton, NY 11973 USA. RP Ozelli, KL (reprint author), Natl Inst Drug Abuse, Bethesda, MD 20892 USA. NR 0 TC 1 Z9 1 U1 0 U2 3 PU SCI AMERICAN INC PI NEW YORK PA 415 MADISON AVE, NEW YORK, NY 10017 USA SN 0036-8733 J9 SCI AM JI Sci.Am. PD SEP PY 2007 VL 297 IS 3 BP 84 EP 85 PG 2 WC Multidisciplinary Sciences SC Science & Technology - Other Topics GA 200OP UT WOS:000248773000032 ER PT J AU Bei, H Shim, S George, EP Miller, MK Herbert, EG Pharr, GM AF Bei, H. Shim, S. George, E. P. Miller, M. K. Herbert, E. G. Pharr, G. M. TI Compressive strengths of molybdenum alloy micro-pillars prepared using a new technique SO SCRIPTA MATERIALIA LA English DT Article DE compression test; metal and alloys; plastic deformation; yield phenomena; nanoindentation ID STRAIN GRADIENT PLASTICITY; SOLIDIFIED NIAL-MO; MECHANICAL-PROPERTIES; CRYSTAL PLASTICITY; SIZE DEPENDENCE; THIN-FILMS; SCALE; DEFORMATION; BEHAVIOR; NANOINDENTATION AB Single-crystal micro-pillars of a molybdenum alloy were prepared by a new technique that involves chemically etching away the matrix of a directionally solidified NiAl-Mo eutectic. The square cross-section pillars had edge dimensions ranging from similar to 360 to similar to 1000 nm. When tested in compression with a nanoindentation system, the pillars all yielded, regardless of size, at a critical resolved shear stress of 4.3 GPa, or G/26, where G is the shear modulus. This shear yield strength is in the range expected for the theoretical strength, G/30 to G/10. (c) 2007 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved. C1 Oak Ridge Natl Lab, Mat Sci & Technol Lab, Oak Ridge, TN 37831 USA. Univ Tennessee, Dept Mat Sci & Engn, Knoxville, TN 37996 USA. MTS Nano Instruments Innovat Ctr, Oak Ridge, TN 37830 USA. RP Bei, H (reprint author), Oak Ridge Natl Lab, Mat Sci & Technol Lab, 1 Bethel Valley Rd, Oak Ridge, TN 37831 USA. EM Beih@ornl.gov RI George, Easo/L-5434-2014; OI Bei, Hongbin/0000-0003-0283-7990 NR 33 TC 184 Z9 185 U1 6 U2 68 PU PERGAMON-ELSEVIER SCIENCE LTD PI OXFORD PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND SN 1359-6462 J9 SCRIPTA MATER JI Scr. Mater. PD SEP PY 2007 VL 57 IS 5 BP 397 EP 400 DI 10.1016/j.scriptamat.2007.05.010 PG 4 WC Nanoscience & Nanotechnology; Materials Science, Multidisciplinary; Metallurgy & Metallurgical Engineering SC Science & Technology - Other Topics; Materials Science; Metallurgy & Metallurgical Engineering GA 187FO UT WOS:000247833200008 ER PT J AU Harimkar, SP Daniel, C Holzapfel, C Leibenguth, P Mucklich, F Dahotre, NB AF Harimkar, S. P. Daniel, C. Holzapfel, C. Leibenguth, P. Muecklich, F. Dahotre, Narendra B. TI Validation of crystallographic correlation for faceted morphology in laser surface engineered alumina ceramic SO SCRIPTA MATERIALIA LA English DT Article DE ceramics; laser surface engineering; rapid solidification; microstructure; texture ID GRINDING WHEEL MATERIAL; RAPID SOLIDIFICATION; MICROSTRUCTURE; EVOLUTION; ALLOY AB Surface modification of alumina ceramics using high energy-density lasers is associated with the formation of highly faceted pyramidal surface grains. Recently, we have developed a phenomenological crystallographic correlation that explains the faceted morphology by a (1 (2) over bar 10) texture. Based on high-resolution electron back-scattered diffraction, the present work proposes a precise correlation showing that faceting of surface grains is closely linked with the evolution of a texture with (2 (3) over bar 10) parallel to the surface and the (0001) normal to the direction of laser treatment trace. Published by Elsevier Ltd. on behalf of Acta Materialia Inc. C1 Univ Tennessee, Dept Mat Sci & Engn, Knoxville, TN 37996 USA. Oak Ridge Natl Lab, Mat Sci & Technol Div, Oak Ridge, TN 37831 USA. Univ Saarland, Dept Mat Sci, D-66141 Saarbrucken, Germany. RP Dahotre, NB (reprint author), Univ Tennessee, Dept Mat Sci & Engn, Knoxville, TN 37996 USA. EM ndahotre@utk.edu RI Daniel, Claus/A-2060-2008 OI Daniel, Claus/0000-0002-0571-6054 NR 16 TC 6 Z9 7 U1 0 U2 1 PU PERGAMON-ELSEVIER SCIENCE LTD PI OXFORD PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND SN 1359-6462 J9 SCRIPTA MATER JI Scr. Mater. PD SEP PY 2007 VL 57 IS 5 BP 401 EP 404 DI 10.1016/j.scriptamat.2007.05.008 PG 4 WC Nanoscience & Nanotechnology; Materials Science, Multidisciplinary; Metallurgy & Metallurgical Engineering SC Science & Technology - Other Topics; Materials Science; Metallurgy & Metallurgical Engineering GA 187FO UT WOS:000247833200009 ER PT J AU Schuster, BE Wei, Q Ervin, MH Hruszkewycz, SO Miller, MK Hufnagel, TC Ramesh, KT AF Schuster, B. E. Wei, Q. Ervin, M. H. Hruszkewycz, S. O. Miller, M. K. Hufnagel, T. C. Ramesh, K. T. TI Bulk and microscale compressive properties of a Pd-based metallic glass SO SCRIPTA MATERIALIA LA English DT Article DE metallic glasses; mechanical properties; ion beam processing; nanoindentation; size-effects ID STRAIN GRADIENTS; YIELD CRITERION; DEFORMATION; PD40NI40P20; BEHAVIOR; FLOW; NANOINDENTATION; SCALE AB We present quasi-static, room temperature compression data for Pd40Ni40P20 metallic glasses for both bulk and microscale specimens. At all sizes, plastic flow is localized in shear bands which are accompanied by sudden strain bursts in the microscale tests. We show a modest (similar to 9%) increase in the 0.2% offset yield strength in going from bulk specimens to the smallest measured (similar to 2 mu m), and attribute this increase to the effect of defects on shear band initiation, rather than to an intrinsic length scale dependence of plastic deformation. (c) 2007 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved. C1 USA, Res Lab, Weapons & Mat Res Directorate, Aberdeen Proving Ground, MD 21005 USA. Johns Hopkins Univ, Dept Mech Engn, Baltimore, MD 21218 USA. Univ N Carolina, Dept Mech Engn, Charlotte, NC 28223 USA. USA, Res Lab, Sensors & Elect Devices Directorate, Adelphi, MD 20783 USA. Oak Ridge Natl Lab, Div Mat Sci & Technol, Oak Ridge, TN 37831 USA. RP Schuster, BE (reprint author), AMSRD ARL WM TC, Aberdeen Proving Ground, MD 21005 USA. EM bschuster@arl.army.mil RI Wei, Qiuming/B-7579-2008; Hufnagel, Todd/A-3309-2010 OI Hufnagel, Todd/0000-0002-6373-9377 NR 22 TC 72 Z9 72 U1 2 U2 17 PU PERGAMON-ELSEVIER SCIENCE LTD PI OXFORD PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND SN 1359-6462 J9 SCRIPTA MATER JI Scr. Mater. PD SEP PY 2007 VL 57 IS 6 BP 517 EP 520 DI 10.1016/j.scriptamat.2007.05.025 PG 4 WC Nanoscience & Nanotechnology; Materials Science, Multidisciplinary; Metallurgy & Metallurgical Engineering SC Science & Technology - Other Topics; Materials Science; Metallurgy & Metallurgical Engineering GA 198OY UT WOS:000248638600018 ER PT J AU Florando, JN LeBlanc, MM Lassila, DH AF Florando, J. N. LeBlanc, M. M. Lassila, D. H. TI Multiple slip in copper single crystals deformed in compression under uniaxial stress SO SCRIPTA MATERIALIA LA English DT Article DE copper; compression test; slip; image correlation ID SECONDARY SLIP; PLASTIC-DEFORMATION; TENSION; STRAIN; BANDS AB Uniaxial compression experiments on copper single crystals, oriented to maximize the shear for one slip system, show activity on the primary slip system as well as appreciable activity orthogonal to the primary system. Utilizing three-dimensional digital image correlation, the amount of orthogonal slip has been quantified. The activity orthogonal to the primary occurs from the onset of deformation and varies from being equal to the primary for the as-fabricated samples to 115 of the primary in the samples annealed after fabrication. (c) 2007 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved. C1 Lawrence Livermore Natl Lab, Livermore, CA 94550 USA. RP Florando, JN (reprint author), Lawrence Livermore Natl Lab, Livermore, CA 94550 USA. EM florandol@llnl.gov NR 20 TC 16 Z9 16 U1 2 U2 12 PU PERGAMON-ELSEVIER SCIENCE LTD PI OXFORD PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND SN 1359-6462 J9 SCRIPTA MATER JI Scr. Mater. PD SEP PY 2007 VL 57 IS 6 BP 537 EP 540 DI 10.1016/j.scriptamat.2007.05.014 PG 4 WC Nanoscience & Nanotechnology; Materials Science, Multidisciplinary; Metallurgy & Metallurgical Engineering SC Science & Technology - Other Topics; Materials Science; Metallurgy & Metallurgical Engineering GA 198OY UT WOS:000248638600023 ER PT J AU Wei, X Lee, D Shim, S Chen, X Kysar, JW AF Wei, Xiaoding Lee, Dongyun Shim, Sanghoon Chen, Xi Kysar, Jeffrey W. TI Plain-strain bulge test for nanocrystalline copper thin films SO SCRIPTA MATERIALIA LA English DT Article DE nanocrystalline materials; thin films; bulge test ID GRAIN-SIZE DEPENDENCE; MECHANICAL-PROPERTIES; PLASTIC-DEFORMATION; TENSILE BEHAVIOR; RATE SENSITIVITY; METALS; GROWTH; PALLADIUM; STRESS; STRENGTH AB Free-standing nanocrystalline Cu films with grain size around 39 mn are fabricated by thermal evaporation and characterized by the plane-strain bulge test. Young's modulus and yield stress at a 0.2% offset are about 110-130 GPa and 400 MPa, respectively. Results show that the strength of the n-Cu films is largely independent of film thickness at a strain rate less than 10(-5) s(-1). No grain growth is observed and the predominant plastic deformation mechanism is grain boundary sliding accompanied by dislocation mechanisms. (c) 2007 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved. C1 Columbia Univ, Dept Mech Engn, New York, NY 10027 USA. Columbia Univ, Columbia Nanomech Res Ctr, New York, NY 10027 USA. Korea Inst Sci & Technol, Div Mat Sci & Technol, Seoul 136791, South Korea. Columbia Univ, Dept Civil Engn & Engn Mech, New York, NY 10027 USA. Oak Ridge Natl Lab, Div Mat Sci & Technol, Oak Ridge, TN 37831 USA. RP Wei, X (reprint author), Columbia Univ, Dept Mech Engn, New York, NY 10027 USA. EM wx2102@columbia.edu RI Chen, Xi/B-1539-2008; Lee, Dongyun/D-2469-2012; Wei, Xiaoding/A-9952-2011 OI Chen, Xi/0000-0002-2428-180X; Wei, Xiaoding/0000-0002-5173-4923 NR 41 TC 13 Z9 13 U1 2 U2 13 PU PERGAMON-ELSEVIER SCIENCE LTD PI OXFORD PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND SN 1359-6462 J9 SCRIPTA MATER JI Scr. Mater. PD SEP PY 2007 VL 57 IS 6 BP 541 EP 544 DI 10.1016/j.scriptamat.2007.05.012 PG 4 WC Nanoscience & Nanotechnology; Materials Science, Multidisciplinary; Metallurgy & Metallurgical Engineering SC Science & Technology - Other Topics; Materials Science; Metallurgy & Metallurgical Engineering GA 198OY UT WOS:000248638600024 ER PT J AU Elvidge, CD Tuttle, BT Sutton, PS Baugh, KE Howard, AT Milesi, C Bhaduri, BL Nemani, R AF Elvidge, Christopher D. Tuttle, Benjamin T. Sutton, Paul S. Baugh, Kimberly E. Howard, Ara T. Milesi, Cristina Bhaduri, Budhendra L. Nemani, Ramakrishna TI Global distribution and density of constructed impervious surfaces SO SENSORS LA English DT Article DE impervious surfaces; constructed area; urbanization; nighttime lights; population grid; ISA ID UNITED-STATES; COVER; IMAGERY; LIGHTS; SYSTEM; AREA AB We present the first global inventory of the spatial distribution and density of constructed impervious surface area (ISA). Examples of ISA include roads, parking lots, buildings, driveways, sidewalks and other manmade surfaces. While high spatial resolution is required to observe these features, the new product reports the estimated density of ISA on a one-km(2) grid based on two coarse resolution indicators of ISA-the brightness of satellite observed nighttime lights and population count. The model was calibrated using 30-meter resolution ISA of the USA from the U. S. Geological Survey. Nominally the product is for the years 2000-01 since both the nighttime lights and reference data are from those two years. We found that 1.05% of the United States land area is impervious surface ( 83,337 km(2)) and 0.43% of the world's land surface ( 579,703 km(2)) is constructed impervious surface. China has more ISA than any other country ( 87,182 km2), but has only 67 m(2) of ISA per person, compared to 297 m(2) per person in the USA. The distribution of ISA in the world's primary drainage basins indicates that watersheds damaged by ISA are primarily concentrated in the USA, Europe, Japan, China and India. The authors believe the next step for improving the product is to include reference ISA data from many more areas around the world. C1 NOAA, Natl Geophys Data Ctr, Earth Observat Grp, Boulder, CO 80305 USA. Univ Colorado, Cooperat Inst Res Environm Sci, Boulder, CO 80309 USA. Univ Denver, Dept Geog, Denver, CO USA. Fdn Calif State Univ, Monterey, CA USA. Oak Ridge Natl Lab, US Dept Energy, Oak Ridge, TN USA. NASA, Ames Res Ctr, Moffett Field, CA 94035 USA. RP Elvidge, CD (reprint author), NOAA, Natl Geophys Data Ctr, Earth Observat Grp, 325 Broadway, Boulder, CO 80305 USA. EM chris.elvidge@noaa.gov; ben.tuttle@noaa.gov; psutton@du.edu; kim.baugh@noaa.gov; ara.t.howard@noaa.gov; cristina.milesi@gmail.com; bhaduribl@ornl.gov; rnemani@arc.nasa.gov RI Elvidge, Christopher/C-3012-2009; Sutton, Paul/A-6764-2013 OI Sutton, Paul/0000-0001-6972-3256 NR 28 TC 146 Z9 162 U1 4 U2 53 PU MOLECULAR DIVERSITY PRESERVATION INT PI BASEL PA MATTHAEUSSTRASSE 11, CH-4057 BASEL, SWITZERLAND SN 1424-8220 J9 SENSORS-BASEL JI Sensors PD SEP PY 2007 VL 7 IS 9 BP 1962 EP 1979 DI 10.3390/s7091962 PG 18 WC Chemistry, Analytical; Electrochemistry; Instruments & Instrumentation SC Chemistry; Electrochemistry; Instruments & Instrumentation GA 214GH UT WOS:000249723500020 ER PT J AU Magrini, KA Follett, RF Kimble, J Davis, MF Pruessner, E AF Magrini, Kimberly Ann Follett, Ronald F. Kimble, Jokn Davis, Mark F. Pruessner, Elizabeth TI Using pyrolysis molecular beam mass spectrometry to characterize soil organic carbon in native prairie soils SO SOIL SCIENCE LA English DT Article DE rapid soil organic carbon analysis; soil organic carbon chemistry; pyrolysis; molecular beam mass spectrometry ID INDUCED BREAKDOWN SPECTROSCOPY; REFLECTANCE SPECTROSCOPY; PY-MBMS; MATTER; DYNAMICS; BIOMASS; BACTERIA; FOREST; ACID AB The goal of this study was to test if analytical pyrolysis coupled with molecular beam mass spectrometry and multivariate statistical analyses could provide a rapid and accurate methodology to identify and quantify soil carbon fractions and understand the fundamental chemistry that distinguishes these fractions. We analyzed soil organic carbon (SOC) contained in well-characterized agricultural soils with pyrolysis molecular beam mass spectrometry (py-MBMS) and then determined correlations between the mass spectra and associated soil characterization data. Both soil carbon chemistry and the organic forms in which SOC is sequestered (soil microbial biomass (SMBC), particulate organic matter carbon (POM C), and mineral-associated carbon (Cmin C)) were assessed by multivariate statistical analyses to discover existing correlations and if they could be developed into estimative models. The sample set consisted of well-characterized soils collected from native prairie sites in the western U.S. Corn Belt and Great Plains: 11 sites located within 8 midwestern states (CO, NE, IA, ND, MT, TX, MO, and MN). Sample characterization parameters included site, depth, %SOC, POM C, Cmin C, SMBC, and SOC calendar age (determined from 14C age). Correlations were found for samples collected across this large geographic region (at or greater than 0.90) for SOC, POM C, Cmin C, and SMBC. Soil organic carbon calendar age derived from radiocarbon-14 dating could be estimated for ustollic soils from MT, NE, and CO. These soils also contained deeper and younger eolian layers, whose ages were correctly estimated with this technique. The Py-MBMS analysis additionally showed that soils developed from water-sorted sediments on a tilled-floor lake plain (lacustrine soils) were significantly different from the other samples. C1 Natl Renewable Energy Lab, Natl Bioenergy Ctr, Golden, CO 80401 USA. USDA ARS, Ft Collins, CO 80526 USA. NSSC Survey Ctr, USDA, NRCS, Lincoln, NE 68508 USA. RP Magrini, KA (reprint author), Natl Renewable Energy Lab, Natl Bioenergy Ctr, 1617 Cole Blvd, Golden, CO 80401 USA. EM kim_magrini@nrel.gov OI davis, mark/0000-0003-4541-9852 NR 46 TC 6 Z9 6 U1 0 U2 14 PU LIPPINCOTT WILLIAMS & WILKINS PI PHILADELPHIA PA 530 WALNUT ST, PHILADELPHIA, PA 19106-3621 USA SN 0038-075X J9 SOIL SCI JI Soil Sci. PD SEP PY 2007 VL 172 IS 9 BP 659 EP 672 DI 10.1097/ss.0b013e3180d0a3a5 PG 14 WC Soil Science SC Agriculture GA 210NU UT WOS:000249463700001 ER PT J AU Mincher, BJ Mionczynski, J Hnilicka, PA AF Mincher, Bruce J. Mionczynski, Jokn Hnilicka, Patrick A. TI Soil redox chemistry limitation of selenium concentration in Carex species sedges SO SOIL SCIENCE LA English DT Article DE bighorn sheep; bioavailability; redox selenium ID ABSORPTION; SPECIATION; REDUCTION; FORAGES; PLANTS AB Soil samples from normally wet and normally dry locations on an alpine study site were analyzed for total selenium, available selenium, pH, and oxidation-reduction potential (OR-P). The selenium concentration of Carex species sedges from the same sample locations were also analyzed. Total selenium concentrations in soil were variable, and not correlated with Carex selenium concentration. However, soil available selenium and Carex selenium concentrations were found to be related to soil OR-P. Similarly, soil samples maintained in a saturated condition in the laboratory showed rapid decreases in OR-P and in available selenium. The conditions that favor the thermodynamic transition between available and nonavailable Se occur within the range of pH and OR-P found naturally in soil at this location. Water-saturated soil conditions and the resulting low OR-P appear to limit the Se concentration in Carex, a forage plant used by wildlife at the study area. C1 Idaho Natl Lab, Idaho Falls, ID 83415 USA. Wildlife Consultant, Atlantic City, WY 82520 USA. US Fish & Wildlife Serv, Lander, WY 82520 USA. RP Mincher, BJ (reprint author), Idaho Natl Lab, POB 1625, Idaho Falls, ID 83415 USA. EM Bruce.Mincher@inl.gov RI Mincher, Bruce/C-7758-2017 NR 24 TC 2 Z9 2 U1 0 U2 6 PU LIPPINCOTT WILLIAMS & WILKINS PI PHILADELPHIA PA 530 WALNUT ST, PHILADELPHIA, PA 19106-3621 USA SN 0038-075X J9 SOIL SCI JI Soil Sci. PD SEP PY 2007 VL 172 IS 9 BP 733 EP 739 DI 10.1097/ss.0b013e3180d0a3da PG 7 WC Soil Science SC Agriculture GA 210NU UT WOS:000249463700006 ER PT J AU Johnson, DW Todd, DE Trettin, CF Sedinger, JS AF Johnson, D. W. Todd, D. E., Jr. Trettin, C. F. Sedinger, J. S. TI Soil carbon and nitrogen changes in forests of walker branch watershed, 1972 to 2004 SO SOIL SCIENCE SOCIETY OF AMERICA JOURNAL LA English DT Article ID MIXED OAK FOREST; NUTRIENT; STORAGE; PLANTATION; MANAGEMENT; TENNESSEE; BUDGETS; PERIOD; POOLS; CYCLE AB Changes in soil C and N concentrations and contents in four samplings during a 32-yr period on Walker Branch watershed in Tennessee were determined and compared with previously measured C and N fluxes and with changes in ecosystem C and N pools during this period. Soils showed significant increases in C and N concentrations in surface horizons from 1972 to 2004, and most of this increase occurred between 1972 and 1982. A previously observed decline in soil C and N contents between 1982 and 1993 was reversed in 2004 such that the latter increased to near 1982 values. The changes in soil C content could be approximately accounted for by previously measured litterfall and soil CO2-C fluxes. Changes in soil N could not be accounted for by leaching, increments in vegetation, or by laboratory bias, changes during sample storage, or reasonable estimates of field sampling errors. We conclude that, although vegetation C and N pools increased steadily during the sampling period in most cases, changes in soil C and N pools on Walker Branch watershed are highly variable in both space and time, and there has been no unidirectional trend during the time period of this study. C1 Univ Nevada, Nat Resources & Environm Sci, Reno, NV 89557 USA. Oak Ridge Natl Lab, Environmm Sci Div, Oak Ridge, TN 37831 USA. USDA, Forest Serv, Charleston, SC 29141 USA. RP Johnson, DW (reprint author), Univ Nevada, Nat Resources & Environm Sci, Fleischmann Agr Bldg 370, Reno, NV 89557 USA. EM dwj@cabnr.unr.edu NR 31 TC 23 Z9 24 U1 1 U2 7 PU SOIL SCI SOC AMER PI MADISON PA 677 SOUTH SEGOE ROAD, MADISON, WI 53711 USA SN 0361-5995 J9 SOIL SCI SOC AM J JI Soil Sci. Soc. Am. J. PD SEP-OCT PY 2007 VL 71 IS 5 BP 1639 EP 1646 DI 10.2136/sssaj2006.0365 PG 8 WC Soil Science SC Agriculture GA 206HK UT WOS:000249174300029 ER PT J AU Arm, ST Lumetta, GJ Levitskaia, TG AF Arm, Stuart T. Lumetta, Gregg J. Levitskaia, Tatiana G. TI Flowsheet modeling and testing of pseudohydroxide extraction from aqueous sodium hydroxide solutions with 3,5-di-tert-butylphenol in Isopar (R) l modified with Exxal (R) 8 SO SOLVENT EXTRACTION AND ION EXCHANGE LA English DT Article DE sodium hydroxide extraction; ion exchange; caustic leaching ID SEPARATION; ACIDS; 1-OCTANOL AB A conceptual counter-current process flowsheet was developed for sodium hydroxide recovery from alkaline solutions via pseudohydroxide extraction (PHE). PHE relies on a simple sodium ion/proton exchange mechanism at elevated pH using a weak organic acid extractant. The contact of the sodium-loaded organic phase with water results in the reconstitution of the extractant in the organic phase and sodium hydroxide in the aqueous phase. In this work, the 3,5-di-tert-butylphenol (35-DTBP) cation exchanger was used in the Isopar (R) L diluent modified with isooctyl alcohol Exxal (R) 8. Equilibrium isotherms determined for PHE from pure sodium hydroxide solutions and simulated radioactive waste leachate were used to develop a semi-empirical model that could be used for designing PHE process flow-sheets. Using this model, a conceptual PHE flowsheet was developed for recovering NaOH from solutions generated by caustic leaching of radioactive tank sludges. The flowsheet consists of the extraction, scrub, and strip processes, each employing four equilibrium stages. The modeling of this flowsheet indicates 97% recovery of the sodium hydroxide from the waste leachate feed solution. An experimental demonstration, performed with a simulated radioactive waste leachate using batch contacts in a co-current analog of the counter-current flowsheet, confirmed the potential for practical application of PHE technology. C1 Pacific NW Natl Lab, Richland, WA 99352 USA. RP Levitskaia, TG (reprint author), Pacific NW Natl Lab, POB 999,MSIN P7-22, Richland, WA 99352 USA. EM tatiana.levitskaia@pnl.gov NR 16 TC 2 Z9 2 U1 0 U2 1 PU TAYLOR & FRANCIS INC PI PHILADELPHIA PA 325 CHESTNUT ST, SUITE 800, PHILADELPHIA, PA 19106 USA SN 0736-6299 J9 SOLVENT EXTR ION EXC JI Solvent Extr. Ion Exch. PD SEP-OCT PY 2007 VL 25 IS 5 BP 577 EP 591 DI 10.1080/07366290701512691 PG 15 WC Chemistry, Multidisciplinary SC Chemistry GA 210BN UT WOS:000249431800002 ER PT J AU Mincher, BJ Mezyk, SP Bauer, WF Elias, G Riddle, C Peterman, DR AF Mincher, B. J. Mezyk, S. P. Bauer, W. F. Elias, G. Riddle, C. Peterman, D. R. TI FPEX gamma-radiolysis in the presence of nitric acid SO SOLVENT EXTRACTION AND ION EXCHANGE LA English DT Article DE calixarene; cesium; crown ether; FPEX; radiolysis; strontium ID AQUEOUS-SOLUTION; CHROMATOGRAPHY; RADICALS; SOLVENT AB The solvent formulation known as FPEX (Fission Product Extraction) contains calix[4]arene-bis-(tert-octylbenzo-crown-6) (BOBCalixC6) for Cs extraction; 4,4 ',(5 ')-di-(t-butyidicyclohexano)-18-crown-6 (DtBuCH18C6) for Sr extraction; 1-(2,2,3,3,-tetrafluoropropoxy)-3-(4-sec-butylphenoxy)-2-propanol (Cs-7SB) modifier and trioctylamine (TOA) to aid in Cs stripping, all in an Isopar L diluent. This formulation has favorable extraction efficiency for Cs and Sr from acidic solution, and was investigated here for gamma-radiation stability. When FPEX was irradiated in contact with aqueous nitric acid, the extraction efficiency decreased only slightly when irradiated to absorbed doses as high as 200 kGy. The color of the organic phase changed to a deep yellow-orange, and several new peaks related to radiolysis of the Cs-7SB modifier were detected by GC-ECD analysis. This had little effect on the solvent extraction distribution ratios. Possible reasons for this unexpected robustness under conditions of high radiation and acidity are discussed. C1 Idaho Natl Lab, Idaho Falls, ID 83401 USA. Calif State Univ Long Beach, Long Beach, CA 90840 USA. RP Mincher, BJ (reprint author), Idaho Natl Lab, POB 1625, Idaho Falls, ID 83401 USA. EM bruce.mincher@inl.gov RI Bauer, William/B-8357-2016 OI Bauer, William/0000-0002-7190-9700 NR 10 TC 20 Z9 20 U1 2 U2 12 PU TAYLOR & FRANCIS INC PI PHILADELPHIA PA 325 CHESTNUT ST, SUITE 800, PHILADELPHIA, PA 19106 USA SN 0736-6299 J9 SOLVENT EXTR ION EXC JI Solvent Extr. Ion Exch. PD SEP-OCT PY 2007 VL 25 IS 5 BP 593 EP 601 DI 10.1080/07366290701512477 PG 9 WC Chemistry, Multidisciplinary SC Chemistry GA 210BN UT WOS:000249431800003 ER PT J AU Krtolica, A Genbacev, O Escobedo, C Zdravkovic, T Nordstrom, A Vabuena, D Nath, A Simon, C Mostov, K Fisher, SJ AF Krtolica, Ana Genbacev, Olga Escobedo, Carmen Zdravkovic, Tamara Nordstrom, Adam Vabuena, Diana Nath, Aneel Simon, Carlos Mostov, Keith Fisher, Susan J. TI Disruption of apical-basal polarity of human embryonic stem cells enhances hematoendothelial differentiation SO STEM CELLS LA English DT Article DE human embryonic stem cells; inner cell mass; apical-basal polarity; embryoid body formation; hernatoendothelial differentiation ID HEMATOPOIETIC DIFFERENTIATION; JUNCTIONS; LAMININ; ORGANIZATION; BLASTOCYST; DROSOPHILA; MEMBRANE; COMPLEX; BARRIER; LINES AB During murine development, the formation of tight junctions and acquisition of polarity are associated with allocation of the blastomeres on the outer surface of the embryo to the trophoblast lineage, whereas the absence of polarization directs cells to the inner cell mass. Here, we report the results of ultrastructural analyses that suggest a similar link between polarization and cell fate in human embryos. In contrast, the five human embryonic stem cell (hESC) lines displayed apical-basal, epithelial-type polarity with electron-dense tight junctions, apical microvilli, and asymmetric distribution of organelles. Consistent with these findings, molecules that are components of tight junctions or play regulatory roles in polarization localized to the apical regions of the hESCs at sites of cell-cell contact. The tight junctions were functional, as shown by the ability of hESC colonies to exclude the pericellular passage of a biotin compound. Depolarization of hESCs produced multilayered aggregates of rapidly proliferating cells that continued to express transcription factors that are required for pluripotency at the same level as control cells. However, during embryoid body formation, depolarized cells differentiated predominantly along mesenchymal lineage and spontaneously produced hematoendothelial precursors more efficiently than control ESC. Our findings have numerous implications with regard to strategies for deriving, propagating, and differentiating hESC. C1 Univ Calif San Francisco, Dept Cell & Tissue Biol, San Francisco, CA 94143 USA. Univ Calif San Francisco, Dept Anat, San Francisco, CA 94143 USA. Univ Calif San Francisco, Dept Pharmaceut Chem, San Francisco, CA 94143 USA. Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA. Univ Valencia, Prince Felipe Res Ctr, Valencia, Spain. Univ Valencia, Inst Valenciano Infertil IVI Fdn, Valencia, Spain. StemLifeLine Inc, San Carlos, CA USA. RP Fisher, SJ (reprint author), Univ Calif San Francisco, Dept Cell & Tissue Biol, 513 Parnassus,HSE 1619,Box 0512, San Francisco, CA 94143 USA. EM sfisher@cgl.ucsf.edu RI Escobedo-Lucea, Carmen/J-2846-2013; Simon, Carlos/G-2186-2014 OI Escobedo-Lucea, Carmen/0000-0002-5642-0536; Simon, Carlos/0000-0003-0902-9531 NR 33 TC 33 Z9 33 U1 0 U2 9 PU ALPHAMED PRESS PI DURHAM PA 318 BLACKWELL ST, STE 260, DURHAM, NC 27701-2884 USA SN 1066-5099 J9 STEM CELLS JI Stem Cells PD SEP PY 2007 VL 25 IS 9 BP 2215 EP 2223 DI 10.1634/stemcells.2007-0230 PG 9 WC Cell & Tissue Engineering; Biotechnology & Applied Microbiology; Oncology; Cell Biology; Hematology SC Cell Biology; Biotechnology & Applied Microbiology; Oncology; Hematology GA 206QH UT WOS:000249197500010 PM 17569786 ER PT J AU Kim, SM Bowers, PM Pal, D Strong, M Terwilliger, TC Kaufmann, M Eisenberg, D AF Kim, Sul-Min Bowers, Peter M. Pal, Debnath Strong, Michael Terwilliger, Thomas C. Kaufmann, Markus Eisenberg, David TI Functional linkages can reveal protein complexes for structure determination SO STRUCTURE LA English DT Article ID ESCHERICHIA-COLI; MYCOBACTERIUM-TUBERCULOSIS; SACCHAROMYCES-CEREVISIAE; PHYLOGENETIC PROFILES; SYSTEMS BIOLOGY; GENOMIC DATA; DATABASE; NETWORK; IDENTIFICATION; INTERACTOME AB In the study of protein complexes, is there a computational method for inferring which combinations of proteins in an organism are likely to form a crystallizable complex? Here we attempt to answer this question, using the Protein Data Bank (PDB) to assess the usefulness of inferred functional protein linkages from the Prolinks database. We find that of the 242 nonredundant prokaryotic protein complexes shared between the current PDB and Prolinks, 44% (107/242) contain proteins linked at high confidence by one or more methods of computed functional linkages. Similarly, high-confidence linkages detect 47% of known Escherichia coli protein complexes, with 45% accuracy. Together these findings suggest that functional linkages will be useful in defining protein complexes for structural studies, including for structural genomics. We offer a database of inferred linkages corresponding to likely protein complexes for some 629,952 pairs of proteins in 154 prokaryotes and archaea. C1 Univ Calif Los Angeles, Dept Chem & Biochem, Los Angeles, CA 90095 USA. Univ Calif Los Angeles, Howard Hughes Med Inst, Inst Genom & Proteom, Los Angeles, CA 90095 USA. Los Alamos Natl Lab, Los Alamos, NM 87545 USA. RP Eisenberg, D (reprint author), Univ Calif Los Angeles, Dept Chem & Biochem, Los Angeles, CA 90095 USA. EM david@mbi.ucla.edu RI Pal, Debnath/B-8750-2008; Terwilliger, Thomas/K-4109-2012 OI Terwilliger, Thomas/0000-0001-6384-0320 NR 38 TC 2 Z9 2 U1 0 U2 0 PU CELL PRESS PI CAMBRIDGE PA 600 TECHNOLOGY SQUARE, 5TH FLOOR, CAMBRIDGE, MA 02139 USA SN 0969-2126 J9 STRUCTURE JI Structure PD SEP PY 2007 VL 15 IS 9 BP 1079 EP 1089 DI 10.1016/j.str.2007.06.021 PG 11 WC Biochemistry & Molecular Biology; Biophysics; Cell Biology SC Biochemistry & Molecular Biology; Biophysics; Cell Biology GA 210QG UT WOS:000249470100009 PM 17850747 ER PT J AU Clem, JR Brojeny, AAB Mawatari, Y AF Clem, John R. Brojeny, Ali A. Babaei Mawatari, Yasunori TI Magnetic-field dependence of the critical currents in a periodic coplanar array of narrow superconducting strips SO SUPERCONDUCTOR SCIENCE & TECHNOLOGY LA English DT Article; Proceedings Paper CT Conference on Flux Pinning and Other Related Phenomena in Type-II Superconductors CY SEP 30, 2007 CL Univ Cambridge, Cambridge, ENGLAND HO Univ Cambridge ID YBCO-COATED CONDUCTORS; EDGE BARRIER; CRITICAL-STATE; FLUX-PENETRATION; STRIATED YBCO; THIN-FILMS; AC LOSSES; PERPENDICULAR FIELDS; GEOMETRICAL BARRIER; LOSS REDUCTION AB We calculate the magnetic-field dependence of the critical current due to both geometrical edge barriers and bulk pinning in a periodic coplanar array of narrow superconducting strips. We find that in zero or low applied magnetic fields the critical current can be considerably enhanced by the edge barriers, but in modest applied magnetic fields the critical current reduces to that due to bulk pinning alone. C1 Iowa State Univ Sci & Technol, Ames Lab, Ames, IA 50011 USA. Iowa State Univ Sci & Technol, Dept Phys & Astron, Ames, IA 50011 USA. Isfahan Univ Technol, Dept Phys, Esfahan 84154, Iran. AIST, Tsukuba, Ibaraki 3058568, Japan. RP Clem, JR (reprint author), Iowa State Univ Sci & Technol, Ames Lab, Ames, IA 50011 USA. EM clem@ameslab.gov NR 57 TC 2 Z9 2 U1 0 U2 2 PU IOP PUBLISHING LTD PI BRISTOL PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND SN 0953-2048 J9 SUPERCOND SCI TECH JI Supercond. Sci. Technol. PD SEP PY 2007 VL 20 IS 9 SI SI BP S117 EP S127 DI 10.1088/0953-2048/20/9/S02 PG 11 WC Physics, Applied; Physics, Condensed Matter SC Physics GA 212KW UT WOS:000249596200003 ER PT J AU Maiorov, B Kursumovic, A Stan, L Zhou, H Wang, H Civale, L Feenstra, R MacManus-Driscoll, JL AF Maiorov, B. Kursumovic, A. Stan, L. Zhou, H. Wang, H. Civale, L. Feenstra, R. MacManus-Driscoll, J. L. TI Vortex pinning landscape in YBa2Cu3O7 films grown by hybrid liquid phase epitaxy SO SUPERCONDUCTOR SCIENCE & TECHNOLOGY LA English DT Article; Proceedings Paper CT Conference on Flux Pinning and Other Related Phenomena in Type-II Superconductors CY SEP 30, 2007 CL Univ Cambridge, Cambridge, ENGLAND HO Univ Cambridge ID CRITICAL-CURRENT DENSITIES; COATED CONDUCTORS; CRITICAL CURRENTS; THIN-FILMS; SUPERCONDUCTORS AB The influence of film thickness and growth rate on the vortex pinning in hybrid liquid phase epitaxy (HLPE) films was explored. Film growth rates as high as 12 nm s(-1) (0.7 mu m min(-1)) produced high J(c) films. Weak or no thickness dependence was found in films of thickness ranging from 0.4 to 3 mu m. Field and angular measurements of the critical current density (J(c)) and the power- law exponent (N) of the current-voltage curves were used to determine the nature of pinning. Films thinner than 0.6 mu m showed a higher density of correlated defects parallel to the ab plane than thicker films. Using HLPE, it was possible to achieve very strong pinning in films similar to 3 mu m thick, yielding critical currents over 300 A cm(-1) width at self-field, and as high as 35 A cm(-1) width at mu H-0 = 3 T at T = 75.5 K. Decreasing the deposition rate allowed improving the high field performance, opening up the possibility to engineer the pinning landscape of the HLPE films. C1 Los Alamos Natl Lab, Superconduct Technol Ctr, Los Alamos, NM 87544 USA. Univ Cambridge, Dept Mat Sci & Met, Cambridge CB2 3QZ, England. Texas A&M Univ, Dept Elect & Comp Engn, College Stn, TX 77845 USA. Oak Ridge Natl Lab, Div Mat Sci & Technol, Oak Ridge, TN 37831 USA. RP Maiorov, B (reprint author), Los Alamos Natl Lab, Superconduct Technol Ctr, POB 1663, Los Alamos, NM 87544 USA. RI Wang, Haiyan/P-3550-2014; OI Wang, Haiyan/0000-0002-7397-1209; Maiorov, Boris/0000-0003-1885-0436 NR 22 TC 19 Z9 19 U1 1 U2 17 PU IOP PUBLISHING LTD PI BRISTOL PA DIRAC HOUSE, TEMPLE BACK, BRISTOL BS1 6BE, ENGLAND SN 0953-2048 J9 SUPERCOND SCI TECH JI Supercond. Sci. Technol. PD SEP PY 2007 VL 20 IS 9 SI SI BP S223 EP S229 DI 10.1088/0953-2048/20/9/S17 PG 7 WC Physics, Applied; Physics, Condensed Matter SC Physics GA 212KW UT WOS:000249596200018 ER PT J AU Morgan, GA Sorescu, DC Kim, YK Yates, JT AF Morgan, Gregg A., Jr. Sorescu, Dan C. Kim, Yu Kwon Yates, John T., Jr. TI Comparison of the adsorption of N-2 on Ru(109) and Ru(001) - A detailed look at the role of atomic step and terrace sites SO SURFACE SCIENCE LA English DT Article DE nitrogen; ruthenium; stepped single crystal surface; infrared reflection absorption spectroscopy (IRAS); temperature programmed desorption (TPD); singleton frequency ID DENSITY-FUNCTIONAL CALCULATIONS; TOTAL-ENERGY CALCULATIONS; AUGMENTED-WAVE METHOD; CARBON-MONOXIDE; STICKING COEFFICIENT; DEFECT SITES; ADSORBED CO; BASIS-SET; SURFACE; NITROGEN AB We present a direct side-by-side comparison of the adsorption and desorption of nitrogen on the atomically-stepped Ru(1 0 9) surface and the atomically-flat Ru(00 1) surface. Both infrared reflection absorption spectroscopy (IRAs) and temperature programmed desorption (TPD) are employed in this study, along with density functional theory (DFT). We find that the chemisorptive terminal binding of N-2 is stronger on the atomic step sites than on the terrace sites of Ru(I 09) as indicated by TPD and by a reduction of the singleton vibrational frequency, v(N-2), by similar to 9 cm(-1), comparing steps to terraces. In addition, we find that metal-metal compression effects on the terrace sites of Ru(1 0 9) cause stronger binding of N-2 than found on the Ru(001) surface, as indicated by a reduction of the terrace-N-2 singleton vibrational frequency by similar to 11 cm(-1) when compared to the singleton N-2 mode on Ru(0 0 1). These spectroscopic results. comparing compressed terrace sites to Ru(0 0 1) sites and confirmed by TPD and DFT indicate that N-2 bonds primarily as a sigma-donor to Ru. Usina equimolar N-15(2) and N-14(2), it is found that dynamic dipole coupling effects present at higher N-2 coverages may be partially eliminated by isotopically detuning neighbor oscillators. These experiments, considered together, indicate that the order of the bonding strength for terminal-N-2 on Ru is: atomic steps > atomic terraces > Ru(00 1). DFT calculations also show that 4-fold coordinated N-2 may be stabilized in several structures on the double-atom wide steps of Ru(I 09) and that this form of bonding produces substantial decreases in the N-2 vibrational frequency and increases in the binding energy, compared to terminally-bound N-2. These highly coordinated N-2 species are not observed by IRAs. (c) 2007 Elsevier B.V. All rights reserved. C1 Univ Pittsburgh, Dept Chem, Ctr Surface Sci, Pittsburgh, PA 15260 USA. US DOE, Natl Energy Technol Lab, Pittsburgh, PA 15236 USA. RP Yates, JT (reprint author), Univ Pittsburgh, Dept Chem, Ctr Surface Sci, Pittsburgh, PA 15260 USA. EM johnt@virginia.edu NR 58 TC 7 Z9 7 U1 3 U2 14 PU ELSEVIER SCIENCE BV PI AMSTERDAM PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS SN 0039-6028 J9 SURF SCI JI Surf. Sci. PD SEP 1 PY 2007 VL 601 IS 17 BP 3533 EP 3547 DI 10.1016/j.susc.2007.06.019 PG 15 WC Chemistry, Physical; Physics, Condensed Matter SC Chemistry; Physics GA 211HN UT WOS:000249515000004 ER PT J AU Manandhar, K Ellis, T Park, KT Cai, T Song, Z Hrbek, J AF Manandhar, K. Ellis, T. Park, K. T. Cai, T. Song, Z. Hrbek, J. TI A scanning tunneling microscopy study on the effect of post-deposition annealing of copper phthalocyanine thin films SO SURFACE SCIENCE LA English DT Article DE copper phthalocyanine; silver; scanning tunneling microscopy; surface diffusion; surface defects; Thin film structures ID METAL PHTHALOCYANINES; MOLECULAR-STRUCTURE; 100 SURFACES; AG(111); MONOLAYERS; AU(111); SPECTROSCOPY; TEMPERATURE; OVERLAYERS; ADSORPTION AB Using scanning tunneling microscopy, overlayer lattice structures and thin film morphology of copper phthalocyanine (CuPc) have been investigated while varying posterior, annealing temperatures. The room temperature deposition of CuPc on Ag(1 1 1) resulted in ordered domains, which were three molecular layers high and separated with disordered regions. The ordered surface also exhibited an oblique lattice with the lattice constants of 13.3 angstrom and 16.4 angstrom and the angle of 74 degrees between the two. By annealing the thin films systematically to 580 K. the symmetry of overlayer lattice increased from the oblique to the square lattice, commonly observed on various substrates. Further annealing to 780 K desorbed much of the CuPc molecules. However, the remaining molecules reacted and formed dendrite-like chains, in which each CuPc molecule was linked through its isoindole rings. A possible model for the formation of dendritic chains through polymerization is discussed. (c) 2007 Elsevier B.V. All rights reserved. C1 Baylor Univ, Dept Phys, Waco, TX 76798 USA. Brookhaven Natl Lab, Dept Chem, Upton, NY 11973 USA. RP Park, KT (reprint author), Baylor Univ, Dept Phys, Waco, TX 76798 USA. EM Kenneth_Park@baylor.edu RI Hrbek, Jan/I-1020-2013 NR 42 TC 35 Z9 35 U1 0 U2 17 PU ELSEVIER SCIENCE BV PI AMSTERDAM PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS SN 0039-6028 J9 SURF SCI JI Surf. Sci. PD SEP 1 PY 2007 VL 601 IS 17 BP 3623 EP 3631 DI 10.1016/j.susc.2007.07.007 PG 9 WC Chemistry, Physical; Physics, Condensed Matter SC Chemistry; Physics GA 211HN UT WOS:000249515000014 ER PT J AU Berglen, TF Myhre, G Isaksen, ISA Vestreng, V Smith, SJ AF Berglen, Tore F. Myhre, Gunnar Isaksen, Ivar S. A. Vestreng, Vigdis Smith, Steven J. TI Sulphate trends in Europe: are we able to model the recent observed decrease ? SO TELLUS SERIES B-CHEMICAL AND PHYSICAL METEOROLOGY LA English DT Article ID COMMUNITY CLIMATE MODEL; SULFUR CYCLE; GLOBAL-MODEL; AIR-POLLUTION; NATIONAL CENTER; EMISSIONS; AEROSOL; DIMETHYLSULFIDE; SENSITIVITY; TROPOSPHERE AB Abundance of sulphate in Europe has decreased substantially during the last two decades. In this paper, we investigate these recent trends in sulphate concentrations by applying the OsloCTM2 model using three different sets of SO2 emission inventories. We perform time slice model simulations with emissions for the years 1985, 1995 and 2000 and compare our results with observations to investigate if there is consistency between measured and modelled sulphate trends. Overall the model reproduces the levels of sulphur and the decreasing sulphate trends reasonably well, although some discrepancies exist. The model shows a strong reduction in the surface concentration of sulphate similar to the observations, although a slightly smaller decrease. Continental and Eastern Europe experience the largest decrease in sulphate from 1985 to 2000; observations give 65 and 63% decrease, respectively, while modelled decreases are from 42 to 58% depending on the inventory. We have also studied to what extent our model results are sensitive and robust. Based on our model simulations we find that the EMEP emissions of the three sets of emission inventories are best to reproduce the trends in sulphate observations. C1 Univ Oslo, Dept Geosci, Oslo, Norway. Ctr Int Climate & Environm Res, Oslo, Norway. Norwegian Meteorol Inst, Oslo, Norway. PNNL & UMd, Joint Global Change Res Inst, College Pk, MD USA. RP Berglen, TF (reprint author), Univ Oslo, Dept Geosci, Oslo, Norway. EM t.f.berglen@geo.uio.no RI Myhre, Gunnar/A-3598-2008 OI Myhre, Gunnar/0000-0002-4309-476X NR 35 TC 16 Z9 16 U1 0 U2 7 PU BLACKWELL PUBLISHING PI OXFORD PA 9600 GARSINGTON RD, OXFORD OX4 2DQ, OXON, ENGLAND SN 0280-6509 J9 TELLUS B JI Tellus Ser. B-Chem. Phys. Meteorol. PD SEP PY 2007 VL 59 IS 4 BP 773 EP 786 DI 10.1111/j.1600-0889.2007.00289.x PG 14 WC Meteorology & Atmospheric Sciences SC Meteorology & Atmospheric Sciences GA 206RH UT WOS:000249200100013 ER PT J AU Bagus, PS Ilton, ES AF Bagus, Paul S. Ilton, Eugene S. TI Atomic many-body effects in the 4f XPS of the U5+ and U4+ cations: part II: consequences of orbital relaxation SO THEORETICAL CHEMISTRY ACCOUNTS LA English DT Article ID X-RAY PHOTOEMISSION; SHELL PHOTOELECTRON-SPECTRA; TRANSITION-METAL COMPOUNDS; ELECTRONIC-STRUCTURE; SATELLITE STRUCTURE; MULTIPLET STRUCTURE; BINDING-ENERGIES; VACANCY LEVELS; SPECTROSCOPY; OXIDES AB Ab initio, fully relativistic four component theory was used to determine atomic many-body effects for the 4f X-ray photoelectron spectra (XPS) of U5+ and U4+ cations. Many-body effects were included through the use of configuration interaction (CI) wavefunctions, WF's, that allow the mixing of XPS allowed and XPS forbidden configurations. This work extends our earlier study of the U 4f XPS in that the orbitals for the final, ionic states of the cations are allowed to relax in the presence of the 4f core-hole. In the earlier work, orbitals optimized for the initial state were frozen and also used for the final, ionic states. While the main XPS features are similar in both cases, using relaxed orbitals for the ionic states introduces changes in the multiplet splitting and in the 4f(5/2) and 4f(7/2) spin-orbit splitting. The extent of configuration mixing for the U5+ and U4+ final state WF's is characterized by the magnitude of the intensity lost by the main peaks to satellites. Overall, the use of relaxed orbitals improves the agreement between the theoretical XPS for the U4+ cation and the experimental measurements for UO2. C1 Univ N Texas, Dept Chem, Denton, TX 76203 USA. Pacific NW Natl Lab, Div Chem Sci, Richland, WA 99352 USA. RP Bagus, PS (reprint author), Univ N Texas, Dept Chem, Denton, TX 76203 USA. EM bagus@unt.edu RI Bagus, Paul/M-1273-2015 NR 39 TC 9 Z9 9 U1 0 U2 6 PU SPRINGER PI NEW YORK PA 233 SPRING STREET, NEW YORK, NY 10013 USA SN 1432-881X J9 THEOR CHEM ACC JI Theor. Chem. Acc. PD SEP PY 2007 VL 118 IS 3 BP 495 EP 502 DI 10.1007/s00214-007-0364-9 PG 8 WC Chemistry, Physical SC Chemistry GA 207SR UT WOS:000249271900007 ER PT J AU Goeke, RS Datye, AK AF Goeke, Ronald S. Datye, Abhaya K. TI Model oxide supports for studies of catalyst sintering at elevated temperatures SO TOPICS IN CATALYSIS LA English DT Article DE model catalyst; catalyst sintering; palladium on alumina; oswald ripening ID ELECTRON-MICROSCOPY; COMBUSTION; METAL; GENERATION; STABILITY; STEAM AB Sintering is one of the most important causes for loss of catalytic activity when catalysts are subjected to elevated temperatures, as in automotive exhaust or during catalytic combustion. Herein we report a novel form of model catalyst for sintering studies at elevated temperatures. These model catalysts based on disks of SiO2 (quartz) and Al2O3 (sapphire) allow sintering temperatures of > 900 degrees C to be studied. High resolution scanning electron microscopy (SEM) was used for the study of these catalysts. Using modern in-lens backscatter electron detection operating at low voltages, high contrast images can be obtained of the metal catalyst on these model oxide supports. Model catalysts make it possible to observe the same area of the sample, before and after sintering, which is essential to gain mechanistic insights into the sintering phenomena. Our results show that while Ostwald ripening is the dominant mechanism for Pd sintering at 900 degrees C, we see evidence for the migration of particles as large as 50 nm on the alumina surface. C1 Sandia Natl Labs, Albuquerque, NM 87185 USA. Univ New Mexico, Dept Chem & Nucl Engn, Albuquerque, NM 87131 USA. Univ New Mexico, Ctr Microengineered Mat, Albuquerque, NM 87131 USA. RP Goeke, RS (reprint author), Sandia Natl Labs, MS 1245,POB 5800, Albuquerque, NM 87185 USA. EM rsgoeke@sandia.gov; datye@unm.edu OI Datye, Abhaya/0000-0002-7126-8659 NR 16 TC 19 Z9 19 U1 0 U2 20 PU SPRINGER/PLENUM PUBLISHERS PI NEW YORK PA 233 SPRING ST, NEW YORK, NY 10013 USA SN 1022-5528 J9 TOP CATAL JI Top. Catal. PD SEP PY 2007 VL 46 IS 1-2 BP 3 EP 9 DI 10.1007/s11244-007-0309-5 PG 7 WC Chemistry, Applied; Chemistry, Physical SC Chemistry GA 206TW UT WOS:000249206800002 ER PT J AU Park, JY Renzas, JR Contreras, AM Somorjai, GA AF Park, Jeong Young Renzas, J. R. Contreras, A. M. Somorjai, Gabor A. TI The genesis and importance of oxide-metal interface controlled heterogeneous catalysis; the catalytic nanodiode SO TOPICS IN CATALYSIS LA English DT Article DE oxide-metal interface; Schottky diode; carbon monoxide oxidation; hot electron flows; exothermic reaction; chemicurrent; GaN; TiO2 ID SUPPORT INTERACTIONS; ELECTRON-TRANSFER; HOT-ELECTRONS; NOBLE-METALS; TIO2 FILMS; HYDROGEN; ADSORPTION; REDUCTION; DIFFUSION; PROMOTION AB Much of the research by Konrad Hayek's group is focused on the influence of oxide-metal interfaces in heterogeneous catalysis. In this paper, we show that electronic excitations at the metal surface induced by exothermic catalytic reactions lead to the generation of energetic (hot) electron flows. We detected the flow of hot electrons during oxidation of carbon monoxide using Pt/TiO2 Schottky diodes. The thickness of the Pt film used as the catalyst was 5 nm, less than the electron mean free path, resulting in the ballistic transport of hot electrons through the metal. The electron flow was detected as a chemicurrent if the excess electron kinetic energy generated by the exothermic reaction was larger than the effective Schottky barrier formed at the metal-semiconductor interface. We found that heat generated by the reaction caused a negligible increase of temperature in our experimental range, suggesting that this thermal effect is not responsible for the generation of hot electron flow. We tested the stability and reversibility of chemicurrent generated during CO oxidation at 413 similar to 573 K. The activation energy calculated from the measurement of chemicurrent is quite close to that of the turnover rate of chemical reaction, which indicates that the generation mechanism of hot electrons is closely correlated with the chemical reaction. This correlation suggests that hot electron flow could be a new tool to probe the role of oxide-metal interfaces in heterogeneous catalysis. C1 Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA. Univ Calif Berkeley, Lawrence Berkeley Lab, Div Mat Sci, Berkeley, CA 94720 USA. Univ Calif Berkeley, Lawrence Berkeley Lab, Div Chem Sci, Berkeley, CA 94720 USA. RP Somorjai, GA (reprint author), Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA. EM somorjai@berkeley.edu RI Park, Jeong Young/A-2999-2008 NR 26 TC 54 Z9 54 U1 0 U2 25 PU SPRINGER/PLENUM PUBLISHERS PI NEW YORK PA 233 SPRING ST, NEW YORK, NY 10013 USA SN 1022-5528 EI 1572-9028 J9 TOP CATAL JI Top. Catal. PD SEP PY 2007 VL 46 IS 1-2 BP 217 EP 222 DI 10.1007/s11244-007-0331-7 PG 6 WC Chemistry, Applied; Chemistry, Physical SC Chemistry GA 206TW UT WOS:000249206800024 ER PT J AU Mumtaz, MM Ruiz, P De Rosa, CT AF Mumtaz, M. M. Ruiz, P. De Rosa, C. T. TI Toxicity assessment of unintentional exposure to multiple chemicals SO TOXICOLOGY AND APPLIED PHARMACOLOGY LA English DT Article; Proceedings Paper CT Workshop on Contemporary Concepts in Toxicology/Conference on Charting the Future - Building the Scientific Foundation for Mixtures Joint toxicity and Risk Assessment CY FEB 16, 2005-FEB 17, 2006 CL Atlanta, GA SP Soc Toxicol DE chemical mixtures; risk assessment; public health; hazardous; pollutants ID BY-PRODUCT MIXTURES; RISK-ASSESSMENT; METABOLIC INTERACTIONS; ORGANIC-COMPOUNDS; TOLUENE; RATS; 1,1-DICHLOROETHYLENE; TRICHLOROETHYLENE; TOXICOLOGY; LIVER AB Typically exposure to environmental chemicals is unintentional, and often the exposure is to chemical mixtures, either simultaneously or sequentially. When exposure occurs, in public health practice, it is prudent to ascertain if thresholds for harmful health effects are exceeded, whether by individual chemicals or by chemicals in combination. Three alternative approaches are available for assessing the toxicity of chemical mixtures. Each approach, however, has shortcomings. As the procedures of each approach are described in this paper, at various steps research needs are identified. Recently, reliance has increased on computational toxicology methods for predicting toxicological effects when data are limited. Advances in molecular biology, identification of biomarkers, and availability of accurate and sensitive methods allow us to more precisely define the relationships between multiple chemical exposures and health effects, both qualitatively and quantitatively. Key research needs are best fulfilled through collaborative research. It is through such collaborations that resources are most effectively leveraged to further develop and apply toxicity assessment methods that advance public health practices in vulnerable communities. (C) 2007 Published by Elsevier Inc. C1 US Dept HHS, Ctr Dis Control & Prevent, Div Toxicol & Environm Med Agcy Tox Substances, Atlanta, GA 30333 USA. Oak Ridge Inst Sci & Educ, Oak Ridge, TN 37831 USA. RP Mumtaz, MM (reprint author), US Dept HHS, Ctr Dis Control & Prevent, Div Toxicol & Environm Med Agcy Tox Substances, Atlanta, GA 30333 USA. EM mgm4@cdc.gov NR 63 TC 17 Z9 18 U1 0 U2 8 PU ACADEMIC PRESS INC ELSEVIER SCIENCE PI SAN DIEGO PA 525 B ST, STE 1900, SAN DIEGO, CA 92101-4495 USA SN 0041-008X J9 TOXICOL APPL PHARM JI Toxicol. Appl. Pharmacol. PD SEP 1 PY 2007 VL 223 IS 2 BP 104 EP 113 DI 10.1016/j.taap.2007.04.015 PG 10 WC Pharmacology & Pharmacy; Toxicology SC Pharmacology & Pharmacy; Toxicology GA 211GX UT WOS:000249513400002 PM 17599373 ER PT J AU Utter, GH Lee, TH Rivers, R Montalvo, L Wen, L Chafets, DM Reed, W Busch, MP AF Utter, G. H. Lee, T. H. Rivers, R. Montalvo, L. Wen, L. Chafets, D. M. Reed, W. Busch, M. P. TI Persistent microchimerism decades after transfusion among combat-injured veterans from the Vietnam, Korean, and World War II conflicts SO TRANSFUSION LA English DT Meeting Abstract CT 60th Annual Meeting of the American-Association-of-Blood-Banks CY OCT 20-23, 2007 CL Anaheim, CA SP Amer Assoc Blood Banks C1 Lawrence Livermore Natl Lab, Sacramento Med Ctr, Davis Med Ctr, Sacramento, CA 95817 USA. Blood Syst Res Inst, San Francisco, CA USA. EM garth.utter@ucdmc.ucdavis.edu NR 0 TC 0 Z9 0 U1 0 U2 0 PU BLACKWELL PUBLISHING PI OXFORD PA 9600 GARSINGTON RD, OXFORD OX4 2DQ, OXON, ENGLAND SN 0041-1132 J9 TRANSFUSION JI Transfusion PD SEP PY 2007 VL 47 IS 3 SU S BP 33A EP 33A PG 1 WC Hematology SC Hematology GA 209OJ UT WOS:000249397600092 ER PT J AU Blau, PJ Truhan, JJ Kenik, EA AF Blau, Peter J. Truhan, John J., Jr. Kenik, Edward A. TI Effects of the exposure to corrosive salts on the frictional behavior of gray cast iron and a titanium-based metal matrix composite SO TRIBOLOGY INTERNATIONAL LA English DT Article DE friction; titanium alloys; brakes; cast iron; corrosion; metal matrix composites ID BRAKE PADS; LAYERS; WEAR AB The introduction of increasingly corrosive road-deicing chemicals has created significant and costly problems for the trucking industry. From a tribological perspective, corrosion of the sliding surfaces of brakes after exposure to road salts can create oxide scales that affect friction. This paper describes experiments on the effects of exposure to sodiurn chloride and magnesium chloride sprays on tile transient frictional behavior of cast iron and a titanium-based composite sliding against a commercial brake lining material. Corrosion scales on cast iron, whose compositions were analyzed by several methods, initially act as abrasive third-bodies. Then they become crushed, spread out, and behave as a solid lubricant. Owing to its greater corrosion resistance, the titanium composite remained scale-free and its frictional response was markedly different. No corrosion scales were formed on the titanium composite after aggressive exposure to salts; however, a reduction in friction was still observed. Unlike the crystalline sodium chloride deposits that tended to remain dry, hygroscopic magnesium chloride deposits absorbed ambient moisture from the air, liquefied, and retained a persistent lubricating effect on the titanium surfaces. (c) 2007 Elsevier Ltd. All rights reserved. C1 Oak Ridge Natl Lab, Div Mat Sci & Technol, Oak Ridge, TN 37831 USA. Univ Tennessee, Knoxville, TN USA. RP Blau, PJ (reprint author), Oak Ridge Natl Lab, Div Mat Sci & Technol, Oak Ridge, TN 37831 USA. EM blaupj@ornl.gov NR 10 TC 9 Z9 9 U1 0 U2 8 PU ELSEVIER SCI LTD PI OXFORD PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, OXON, ENGLAND SN 0301-679X J9 TRIBOL INT JI Tribol. Int. PD SEP PY 2007 VL 40 IS 9 BP 1335 EP 1343 DI 10.1016/j.triboint.2007.02.020 PG 9 WC Engineering, Mechanical SC Engineering GA 187LP UT WOS:000247849500002 ER PT J AU Russell, KF Miller, MK Ulfig, RM Gribb, T AF Russell, K. F. Miller, M. K. Ulfig, R. M. Gribb, T. TI Performance of local electrodes in the local electrode atom probe SO ULTRAMICROSCOPY LA English DT Article; Proceedings Paper CT Joint 50th International Field Emission Symposium/19th International Vacuum Nanoelectronics Conference CY JUL 17-20, 2006 CL Guilin, PEOPLES R CHINA SP Minist Sci & Technol China, Natl Nat Sci Fdn China, Sun Yat-sen Univ, IEEE Electron Devices Soc, Amer Vacuum Soc DE atom probe; local electrode AB The use of a local electrode in atom probe tomography has enabled higher rates of data acquisition and increased field of view compared to other variants of three-dimensional atom probes, but specimen fracture can result in damage to the local electrode. Specimens and local electrodes were examined before and after analyses that resulted in specimen failure. Most specimens were found to be melted after failure and as a result, material was found deposited onto the surface of the local electrode. Material transfer from the specimen to the local electrode was verified by energy dispersive spectrometry in a scanning electron microscope. After the fracture of brittle materials, some remnants were found embedded in the local electrode. For either failure mode, it is likely that the primary specimen rupture produced a sharp protrusion on the specimen or local electrode and this triggered an electrical discharge or uncontrolled field emission that melted a portion of the specimen. The lifetime of the local electrode was found to be dependent on the shape and position of the debris from the specimen failure rather than the number of ions collected or the number of specimens characterized. Local electrodes with smaller apertures were found to be more susceptible to failure. (c) 2007 Elsevier B.V. All rights reserved. C1 Oak Ridge Natl Lab, Mat Sci & Technol Div, Oak Ridge, TN 37831 USA. Imago Sci Instruments, Madison, WI 53711 USA. RP Miller, MK (reprint author), Oak Ridge Natl Lab, Mat Sci & Technol Div, Oak Ridge, TN 37831 USA. EM millermk@ornl.gov NR 3 TC 12 Z9 12 U1 0 U2 5 PU ELSEVIER SCIENCE BV PI AMSTERDAM PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS SN 0304-3991 J9 ULTRAMICROSCOPY JI Ultramicroscopy PD SEP PY 2007 VL 107 IS 9 BP 750 EP 755 DI 10.1016/j.ultramic.2007.02.028 PG 6 WC Microscopy SC Microscopy GA 186HQ UT WOS:000247770100010 PM 17398008 ER PT J AU Miller, MK Russell, KF AF Miller, M. K. Russell, K. F. TI Atom probe specimen preparation with a dual beam SEM/FIB miller SO ULTRAMICROSCOPY LA English DT Article; Proceedings Paper CT Joint 50th International Field Emission Symposium/19th International Vacuum Nanoelectronics Conference CY JUL 17-20, 2006 CL Guilin, PEOPLES R CHINA SP Minist Sci & Technol China, Natl Nat Sci Fdn China, Sun Yat-sen Univ, IEEE Electron Devices Soc, Amer Vacuum Soc DE atom probe; local electrode ID MULTILAYER FILM STRUCTURES AB Dual beam scanning electron microscope/focused ion beam (SEM/FIB) methods complement electropolishing methods and enable specimens to be made from a wider range of materials. Several methods have been developed to fabricate specimens from different forms of materials, including thin ribbons, mechanically ground sheet and fine powders. In addition, FIB-based methods can be used in conjunction with electropolishing methods to improve the shape, surface finish and taper angle of specimens. Several lift-out (LO) methods have been developed for selecting specific microstructural features or other regions of interest such as phases, interfaces, grain boundaries, subsurface or implanted regions and interdendritic regions. These LO methods make use of an in situ nanomanipulator and platinum deposition to transfer and attach the lifted out volume to a post for final annular milling into a needle-shaped specimen. In order to improve the efficiency and to facilitate the LO procedure, some special specimen mounts that hold both the specimen and the support post at the appropriate working distance have been developed. (c) 2007 Elsevier B.V. All rights reserved. C1 Oak Ridge Natl Lab, Mat Sci & Technol Div, Oak Ridge, TN 37831 USA. RP Miller, MK (reprint author), Oak Ridge Natl Lab, Mat Sci & Technol Div, POB 2008, Oak Ridge, TN 37831 USA. EM millermk@ornl.gov NR 25 TC 91 Z9 91 U1 3 U2 19 PU ELSEVIER SCIENCE BV PI AMSTERDAM PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS SN 0304-3991 J9 ULTRAMICROSCOPY JI Ultramicroscopy PD SEP PY 2007 VL 107 IS 9 BP 761 EP 766 DI 10.1016/j.ultramic.2007.02.023 PG 6 WC Microscopy SC Microscopy GA 186HQ UT WOS:000247770100012 PM 17403581 ER PT J AU Shariq, A Al-Kassab, T Kirchheim, R Schwarz, RB AF Shariq, Ahmed Al-Kassab, Talaat Kirchheim, Reiner Schwarz, Ricardo B. TI Exploring the next neighbourhood relationship in amorphous alloys utilizing atom probe tomography SO ULTRAMICROSCOPY LA English DT Article; Proceedings Paper CT Joint 50th International Field Emission Symposium/19th International Vacuum Nanoelectronics Conference CY JUL 17-20, 2006 CL Guilin, PEOPLES R CHINA SP Minist Sci & Technol China, Natl Nat Sci Fdn China, Sun Yat-sen Univ, IEEE Electron Devices Soc, Amer Vacuum Soc DE atom probe field ion microscopy; data processing; next neighbourhood evaluation algorithm; amorphous alloys ID METALLIC-GLASSES; DECOMPOSITION; RECONSTRUCTION AB A new algorithm is developed to explore the next neighbourhood atomic vicinity from the analysed data obtained using the tomographic atom probe (TAP) technique. The presented algorithm allows to calculate the atomic distances among different next neighbours of different elements as applied to bulk amorphous alloys. The results obtained for Pd55Cu23P22 bulk amorphous alloys show reasonable consistency to already available data from different diffraction techniques. The Pd-Pd atoms have highest probability to be a next neighbour than others. The established view that P is not a direct next neighbour to each other is also manifested from these results. Normalizing the distances of the next neighbours to the first neighbour distance in this particular amorphous system possesses a definite order for all elemental correlations. Furthermore, the algorithm was processed for different critical reconstruction parameters to explore the corresponding effect on the distance distribution of next neighbouring atoms. The minor changes in the product of the geometric factor and the evaporation field of the sample does not make any egregious difference on the next neighbourhood evaluation (NNE). (c) 2007 Published by Elsevier B.V. C1 Univ Gottingen, Inst Mat Phys, D-37077 Gottingen, Germany. Los Alamos Natl Lab, MST Div, Los Alamos, NM 87545 USA. NUST, Ctr Chem Engn & Mat Sci, Islamabad, Pakistan. RP Shariq, A (reprint author), Univ Gottingen, Inst Mat Phys, Friedrich Hund Pl 1, D-37077 Gottingen, Germany. EM ahmed-ccems@nust.edu.pk NR 26 TC 27 Z9 27 U1 0 U2 9 PU ELSEVIER SCIENCE BV PI AMSTERDAM PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS SN 0304-3991 J9 ULTRAMICROSCOPY JI Ultramicroscopy PD SEP PY 2007 VL 107 IS 9 BP 773 EP 780 DI 10.1016/j.ultramic.2007.02.030 PG 8 WC Microscopy SC Microscopy GA 186HQ UT WOS:000247770100014 PM 17433547 ER PT J AU Vianco, PT AF Vianco, Paul T. TI Environmental mandates and soldering technology: The path forward SO WELDING JOURNAL LA English DT Editorial Material C1 Sandia Natl Labs, Albuquerque, NM 87185 USA. RP Vianco, PT (reprint author), Sandia Natl Labs, POB 5800, Albuquerque, NM 87185 USA. NR 0 TC 2 Z9 2 U1 0 U2 0 PU AMER WELDING SOC PI MIAMI PA 550 N W LEJEUNE RD, MIAMI, FL 33126 USA SN 0043-2296 J9 WELD J JI Weld. J. PD SEP PY 2007 VL 86 IS 9 BP 27 EP 30 PG 4 WC Metallurgy & Metallurgical Engineering SC Metallurgy & Metallurgical Engineering GA 207KG UT WOS:000249249400003 ER PT J AU Osterhout, RE Figueroa, IA Keasling, JD Arkin, AP AF Osterhout, Robin E. Figueroa, Israel A. Keasling, Jay D. Arkin, Adam P. TI Global analysis of host response to induction of a latent bacteriophage SO BMC MICROBIOLOGY LA English DT Article ID ESCHERICHIA-COLI; PHAGE-LAMBDA; REGIONAL REPLICATION; PROPHAGE LAMBDA; GENE-REGULATION; CI REPRESSOR; GAL OPERON; PROTEIN; PARTICIPATION; AMPLIFICATION AB Background: The transition from viral latency to lytic growth involves complex interactions among host and viral factors, and the extent to which host physiology is buffered from the virus during induction of lysis is not known. A reasonable hypothesis is that the virus should be evolutionarily selected to ensure host health throughout induction to minimize its chance of reproductive failure. To address this question, we collected transcriptional profiles of Escherichia coli and bacteriophage lambda throughout lysogenic induction by UV light. Results: We observed a temporally coordinated program of phage gene expression, with distinct early, middle and late transcriptional classes. Our study confirmed known host-phage interactions of induction of the heat shock regulon, escape replication, and suppression of genes involved in cell division and initiation of replication. We identified 728 E. coli genes responsive to prophage induction, which included pleiotropic stress response pathways, the Arc and Cpx regulons, and global regulators crp and lrp. Several hundred genes involved in central metabolism, energy metabolism, translation and transport were down-regulated late in induction. Though statistically significant, most of the changes in these genes were mild, with only 140 genes showing greater than two-fold change. Conclusion: Overall, we observe that prophage induction has a surprisingly low impact on host physiology. This study provides the first global dynamic picture of how host processes respond to lambda phage induction. C1 [Figueroa, Israel A.; Arkin, Adam P.] Univ Calif Berkeley, Dept Bioengn, Berkeley, CA 94720 USA. [Figueroa, Israel A.; Arkin, Adam P.] Univ Calif Berkeley, Howard Hughes Med Inst, Berkeley, CA 94720 USA. [Osterhout, Robin E.] Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA. [Keasling, Jay D.] Univ Calif Berkeley, Dept Chem Engn, Berkeley, CA 94720 USA. [Arkin, Adam P.] Univ Calif Berkeley, Lawrence Berkeley Lab, Phys Biosci Div, Berkeley, CA 94720 USA. RP Arkin, AP (reprint author), Univ Calif Berkeley, Dept Bioengn, Berkeley, CA 94720 USA. EM reosterhout@berkeley.edu; iafigueroa@gmail.com; keasling@berkeley.edu; aparkin@lbl.gov RI Arkin, Adam/A-6751-2008; Keasling, Jay/J-9162-2012 OI Arkin, Adam/0000-0002-4999-2931; Keasling, Jay/0000-0003-4170-6088 NR 45 TC 23 Z9 23 U1 0 U2 8 PU BIOMED CENTRAL LTD PI LONDON PA 236 GRAYS INN RD, FLOOR 6, LONDON WC1X 8HL, ENGLAND SN 1471-2180 J9 BMC MICROBIOL JI BMC Microbiol. PD AUG 31 PY 2007 VL 7 AR 82 DI 10.1186/1471-2180-7-82 PG 12 WC Microbiology SC Microbiology GA 251WI UT WOS:000252406400001 PM 17764558 ER PT J AU Mus, F Dubini, A Seibert, M Posewitz, MC Grossman, AR AF Mus, Florence Dubini, Alexandra Seibert, Michael Posewitz, Matthew C. Grossman, Arthur R. TI Anaerobic acclimation in Chlamydomonas reinhardtii - Anoxic gene expression, hydrogenase induction, and metabolic pathways SO JOURNAL OF BIOLOGICAL CHEMISTRY LA English DT Article ID PYRUVATE FORMATE-LYASE; DESULFOVIBRIO-DESULFURICANS ATCC-27774; HYBRID CLUSTER PROTEIN; X-RAY STRUCTURES; GREEN-ALGA; ESCHERICHIA-COLI; FERMENTATIVE METABOLISM; VULGARIS HILDENBOROUGH; SYNCHROTRON-RADIATION; PROLYL 4-HYDROXYLASE AB Both prokaryotic and eukaryotic photosynthetic microbes experience conditions of anoxia, especially during the night when photosynthetic activity ceases. In Chlamydomonas reinhardtii, dark anoxia is characterized by the activation of an extensive set of fermentation pathways that act in concert to provide cellular energy, while limiting the accumulation of potentially toxic fermentative products. Metabolite analyses, quantitative PCR, and high density Chlamydomonas DNA microarrays were used to monitor changes in metabolite accumulation and gene expression during acclimation of the cells to anoxia. Elevated levels of transcripts encoding proteins associated with the production of H-2, organic acids, and ethanol were observed in congruence with the accumulation of fermentation products. The levels of over 500 transcripts increased significantly during acclimation of the cells to anoxic conditions. Among these were transcripts encoding transcription/translation regulators, prolyl hydroxylases, hybrid cluster proteins, proteases, transhydrogenase, catalase, and several putative proteins of unknown function. Overall, this study uses metabolite, genomic, and transcriptome data to provide genome-wide insights into the regulation of the complex metabolic networks utilized by Chlamydomonas under the anaerobic conditions associated with H-2 production. C1 Carnegie Inst Washington, Dept Plant Biol, Stanford, CA 94305 USA. Natl Renewable Energy Lab, Golden, CO 80401 USA. Colorado Sch Mines, Environm Sci & Engn Div, Golden, CO 80401 USA. RP Grossman, AR (reprint author), Carnegie Inst Washington, Dept Plant Biol, 290 Panama St, Stanford, CA 94305 USA. EM arthurg@stanford.edu RI dubini, alexandra /A-7252-2016 OI dubini, alexandra /0000-0001-8825-3915 NR 80 TC 146 Z9 146 U1 5 U2 30 PU AMER SOC BIOCHEMISTRY MOLECULAR BIOLOGY INC PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3996 USA SN 0021-9258 J9 J BIOL CHEM JI J. Biol. Chem. PD AUG 31 PY 2007 VL 282 IS 35 BP 25475 EP 25486 DI 10.1074/jbc.M701415200 PG 12 WC Biochemistry & Molecular Biology SC Biochemistry & Molecular Biology GA 204AB UT WOS:000249014100033 PM 17565990 ER PT J AU Ashish Paine, MS Perryman, PB Yang, L Yin, HL Krueger, JK AF Ashish Paine, Matthew S. Perryman, Paul B. Yang, Lin Yin, Helen L. Krueger, Joanna K. TI Global structure changes associated with Ca2+ activation of full-length human plasma gelsolin SO JOURNAL OF BIOLOGICAL CHEMISTRY LA English DT Article ID ACTIN-REGULATORY PROTEIN; RAY SOLUTION SCATTERING; HELIX LATCH HYPOTHESIS; TERMINAL HALF; CALCIUM; BINDING; DOMAIN; BIOSYNTHESIS; CONFORMATION; APOPTOSIS AB Gelsolin regulates the dynamic assembly and disassembly of the actin-based cytoskeleton in non-muscle cells and clears the circulation of filaments released following cell death. Gelsolin is a six-domain ( G1 -G6) protein activated by calcium via a multi-step process that involves unfolding from a compact form to a more open form in which the three actin-binding sites ( on the G1, G2, and G4 subdomains) become exposed. To follow the global structural changes that accompany calcium activation of gelsolin, small-angle x-ray scattering (SAXS) data were collected for full-length human plasma gelsolin at nanomolar to millimolar concentrations of free Ca-2(+). Analysis of these data showed that, upon increasing free Ca2 (+) levels, the radius of gyration (Rg) increased nearly 12 A, from 31.1 +/- 0.3 to 43 +/- 2A, and the maximum linear dimension ( Dmax) of the gelsolin molecule increased 55 A, from 100 to 155 A. Structural reconstruction of gelsolin from these data provided a striking visual tracking of the gradual Ca2(+)- induced opening of the gelsolin molecule and highlighted the critical role played by the flexible linkers between homologous domains. The tightly packed architecture of calcium-free gelsolin, seen from both SAXS and x-ray crystallographic models, is already partially opened up in as low as 0.5 nm Ca-2(+) . Our data confirm that, although the molecule springs open from 0 to 1 mu M free Ca2 (+), even higher calcium concentrations help to stabilize a more open structure, with increases in Rg and Dmax of similar to 2 and similar to 15 A, respectively. At these higher calcium levels, the SAXS-based models provide a molecular shape that is compatible with that of the crystal structures solved for Ca2(+)/gelsolin C-terminal and N-terminal halves +/- monomeric G-actin. Placement of these crystal structures within the boundaries of the SAXS-based model suggests a movement of the G1/G2 subunits that would be required upon binding to actin. C1 Univ N Carolina, Dept Chem, Charlotte, NC 28223 USA. Brookhaven Natl Lab, Upton, NY 11973 USA. Univ Texas, SW Med Ctr, Dept Physiol, Dallas, TX 75235 USA. RP Krueger, JK (reprint author), Univ N Carolina, Dept Chem, 9201 Univ City Blvd, Charlotte, NC 28223 USA. EM jkkruege@uncc.edu RI Krueger, Joanna/A-3110-2011; Yang, Lin/D-5872-2013 OI Yang, Lin/0000-0003-1057-9194 NR 34 TC 18 Z9 19 U1 0 U2 2 PU AMER SOC BIOCHEMISTRY MOLECULAR BIOLOGY INC PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3996 USA SN 0021-9258 EI 1083-351X J9 J BIOL CHEM JI J. Biol. Chem. PD AUG 31 PY 2007 VL 282 IS 35 BP 25884 EP 25892 DI 10.1074/jbc.M702446200 PG 9 WC Biochemistry & Molecular Biology SC Biochemistry & Molecular Biology GA 204AB UT WOS:000249014100074 PM 17604278 ER PT J AU Michalsky, JJ Gueymard, C Kiedron, P McArthur, LJB Philipona, R Stoffel, T AF Michalsky, J. J. Gueymard, C. Kiedron, P. McArthur, L. J. B. Philipona, R. Stoffel, T. TI A proposed working standard for the measurement of diffuse horizontal shortwave irradiance SO JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES LA English DT Article ID SHADOWBAND SPECTRORADIOMETER RSS AB Atmospheric radiative transfer model estimates of diffuse horizontal broadband shortwave ( solar) irradiance have historically been larger than measurements from a shaded pyranometer. A reference standard for the diffuse horizontal shortwave irradiance does not exist. There are no current efforts to develop an absolute standard that are known to the authors. This paper presents the case for a working standard for this measurement. Four well-behaved pyranometers from two previous intensive observation periods (IOP) were chosen for this study. The instruments were characterized for spectral and angular response before the IOP and calibrated during the IOP using a shade/unshade technique with reference direct irradiance from an absolute cavity radiometer. The results of the comparison and detailed analyses to explain the differences suggest selecting three of the four for the working standard. The 95% confidence uncertainty in this standard is estimated at 2.2% of reading + 0.2 W/m(2). In lieu of a comparison to this trio, a procedure for obtaining low-uncertainty diffuse horizontal shortwave irradiance is suggested. C1 NOAA, Earth Syst Res Lab, Boulder, CO 80305 USA. Solar Consulting Serv, Colebrook, NH 03576 USA. Univ Colorado, Cooperat Inst Res Environm Sci, Boulder, CO 80309 USA. Meteorol Serv Canada, Downsview, ON M3H 5T4, Canada. Phys Meteorol Observ Davos, World Radiat Ctr, CH-7260 Davos, Switzerland. Natl Renewable Energy Lab, Golden, CO 80401 USA. RP Michalsky, JJ (reprint author), NOAA, Earth Syst Res Lab, Boulder, CO 80305 USA. EM joseph.michalsky@noaa.gov NR 13 TC 5 Z9 7 U1 0 U2 4 PU AMER GEOPHYSICAL UNION PI WASHINGTON PA 2000 FLORIDA AVE NW, WASHINGTON, DC 20009 USA SN 0148-0227 J9 J GEOPHYS RES-ATMOS JI J. Geophys. Res.-Atmos. PD AUG 31 PY 2007 VL 112 IS D16 AR D16112 DI 10.1029/2007JD008651 PG 10 WC Meteorology & Atmospheric Sciences SC Meteorology & Atmospheric Sciences GA 208QX UT WOS:000249335400004 ER PT J AU Ohtani, S Korth, H Brandt, PC Blomberg, LG Singer, HJ Henderson, MG Lucek, EA Frey, HU Zong, Q Weygand, JM Zheng, Y Lui, ATY AF Ohtani, S. Korth, H. Brandt, P. C. Blomberg, L. G. Singer, H. J. Henderson, M. G. Lucek, E. A. Frey, H. U. Zong, Q. Weygand, J. M. Zheng, Y. Lui, A. T. Y. TI Cluster observations in the inner magnetosphere during the 18 April 2002 sawtooth event: Dipolarization and injection at r=4.6 R-E SO JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS LA English DT Article ID STORM-SUBSTORM RELATIONSHIP; RING CURRENT; TAIL CURRENT; GEOMAGNETIC STORMS; ELECTRIC-FIELD; AMPTE CCE; MAGNETOTAIL; MISSION; SHEET AB The present study examines a sawtooth injection event that took place around 0800 UT on 18 April 2002 when the Cluster spacecraft were located in the inner magnetosphere in the premidnight sector. In association with this injection, Cluster, at a radial distance of 4.6 RE, observed that the local magnetic field became more dipolar and that both ion and electron fluxes increased without notable energy dispersion. These features were accompanied by intensifications of the equatorward component of a double- oval structure and also by an enhancement of the ring- current oxygen ENA flux. The event was also accompanied by large magnetic field ( a few tens of nT) and electric field ( a few tens of mV/ m) fluctuations with characteristic timescales of a few tens of seconds. These observations strongly suggest that this sawtooth injection extended not only widely in local time but also deeply into the inner magnetosphere. Interestingly, Cluster repeatedly observed dipolarization- like signatures afterward, which, however, were not associated with enhancements of local energetic ion flux or with geosynchronous dipolarization or injection signatures. Instead, these magnetic signatures were accompanied by oscillatory plasma motion in the radial direction with a characteristic timescale of about 10 min, which appears to be related to the westward propagation of a spatially periodic auroral structure. The associated azimuthal electric field component was well correlated with the time derivative of the north- south magnetic field component, suggesting that the observed electric field is inductive. These findings suggest that electromagnetic processes far inside geosynchronous orbit play an important role in energization of energetic ions and auroral dynamics during magnetospheric storms. C1 Johns Hopkins Univ, Appl Phys Lab, Laurel, MD 20723 USA. Royal Inst Technol, SE-10044 Stockholm, Sweden. Univ Calif Berkeley, Space Sci Lab, Berkeley, CA 94720 USA. Los Alamos Natl Lab, Los Alamos, NM 87545 USA. Univ London Imperial Coll Sci Technol & Med, Blackett Lab, London SW7 2BW, England. NOAA, Space Res Ctr, Boulder, CO 80303 USA. Univ Calif Los Angeles, Inst Geophys & Planetary Phys, Los Angeles, CA 90095 USA. Univ Massachusetts Lowell, Ctr Atmospher Res, Lowell, MA 01854 USA. RP Ohtani, S (reprint author), Johns Hopkins Univ, Appl Phys Lab, 11100 Johns Hopkins Rd, Laurel, MD 20723 USA. RI Zheng, Yihua/D-7368-2012; Ohtani, Shinichi/E-3914-2016; Henderson, Michael/A-3948-2011; Brandt, Pontus/N-1218-2016; OI Ohtani, Shinichi/0000-0002-9565-6840; Henderson, Michael/0000-0003-4975-9029; Brandt, Pontus/0000-0002-4644-0306; Frey, Harald/0000-0001-8955-3282 NR 34 TC 28 Z9 28 U1 0 U2 5 PU AMER GEOPHYSICAL UNION PI WASHINGTON PA 2000 FLORIDA AVE NW, WASHINGTON, DC 20009 USA SN 0148-0227 J9 J GEOPHYS RES-SPACE JI J. Geophys. Res-Space Phys. PD AUG 31 PY 2007 VL 112 IS A8 AR A08213 DI 10.1029/2007ja012357 PG 12 WC Astronomy & Astrophysics SC Astronomy & Astrophysics GA 208SI UT WOS:000249339100002 ER PT J AU Oruganti, S Zhang, YM Li, HZ Robinson, H Terns, MP Terns, RM Yang, W Li, H AF Oruganti, Sri Zhang, Yanming Li, Hongzhi Robinson, Howard Terns, Michael P. Terns, Rebecca M. Yang, Wei Li, Hong TI Alternative conformations of the archaeal Nop56/58-fibrillarin complex imply flexibility in box C/D RNPs SO JOURNAL OF MOLECULAR BIOLOGY LA English DT Article DE structure of nop56/58-fibrillarin; box C/D RNPs; ribosome biogenesis; RNA methyltransferase; noncoding RNA ID SMALL NUCLEOLAR RNAS; PRE-RIBOSOMAL-RNA; COMPREHENSIVE MUTATIONAL ANALYSIS; SACCHAROMYCES-CEREVISIAE; PRERIBOSOMAL RNA; FUNCTIONALLY INTERACTS; GUIDE SNORNAS; C'/D' RNPS; BIOGENESIS; METHYLATION AB The Nop56/58-fibrillarin heterocomplex is a core protein complex of the box C/D ribonucleoprotein particles that modify and process ribosomal RNAs. The previous crystal structure of the Archaeoglobus fidgidus complex revealed a symmetric dimer of two Nop56/58-fibrillarin complexes linked by the coiled-coil domains of the Nop56/68 proteins. However, because the A. fulgidus Nop56/58 protein lacks some domains found in most other species, it was thought that the bipartite architecture of the heterocomplex was not likely a general phenomenon. Here we report the crystal structure of the Nop56/58-fibrillarin complex bound with methylation cofactor, S-adenosyl-L-methionine from Pyrococcus furiosus, at 2.7 A. The new complex confirms the generality of the previously observed bipartite arrangement. In addition however, the conformation of Nop56/58 in the new structure differs substantially from that in the earlier structure. The distinct conformations of Nop56/58 suggest potential flexibility in Nop56/ 58. Computational normal mode analysis supports this view. Importantly, fibrillarin is repositioned within the two complexes. We propose that hinge motion within Nop56/58 has important implications for the possibility of simultaneously positioning two catalytic sites at the two target sites of a bipartite box C/D guide RNA. (c) 2007 Elsevier Ltd. All rights reserved. C1 Florida State Univ, Dept Chem & Biochem, Tallahassee, FL 32306 USA. Florida State Univ, Inst Mol Biophys, Tallahassee, FL 32306 USA. Florida State Univ, Sch Computat Sci, Tallahassee, FL 32306 USA. Brookhaven Natl Lab, Dept Biol, Upton, NY 11973 USA. Univ Georgia, Dept Biochem, Athens, GA 30602 USA. Univ Georgia, Dept Mol Biol, Athens, GA 30602 USA. Univ Georgia, Dept Genet, Athens, GA 30602 USA. RP Li, H (reprint author), Florida State Univ, Dept Chem & Biochem, Tallahassee, FL 32306 USA. EM hongli@sb.fsu.edu RI Yang, Wei/H-5428-2011; Li, Hongzhi /E-8530-2012; Terns, Michael/N-6435-2016 FU NIGMS NIH HHS [R01 GM66958-01, R01 GM54682] NR 66 TC 24 Z9 26 U1 0 U2 3 PU ACADEMIC PRESS LTD ELSEVIER SCIENCE LTD PI LONDON PA 24-28 OVAL RD, LONDON NW1 7DX, ENGLAND SN 0022-2836 J9 J MOL BIOL JI J. Mol. Biol. PD AUG 31 PY 2007 VL 371 IS 5 BP 1141 EP 1150 DI 10.1016/j.jmb.2007.06.029 PG 10 WC Biochemistry & Molecular Biology SC Biochemistry & Molecular Biology GA 208MD UT WOS:000249322500002 PM 17617422 ER PT J AU Armstrong, DS Arvieux, J Asaturyan, R Averett, T Bailey, SL Batigne, G Beck, DH Beise, EJ Benesch, J Bimbot, L Birchall, J Biselli, A Bosted, P Boukobza, E Breuer, H Carlini, R Carr, R Chant, N Chao, YC Chattopadhyay, S Clark, R Covrig, S Cowley, A Dale, D Davis, C Falk, W Finn, JM Forest, T Franklin, G Furget, C Gaskell, D Grames, J Griffioen, KA Grimm, K Guillon, B Guler, H Hannelius, L Hasty, R Allen, AH Horn, T Johnston, K Jones, M Kammel, P Kazimi, R King, PM Kolarkar, A Korkmaz, E Korsch, W Kox, S Kuhn, J Lachniet, J Lee, L Lenoble, J Liatard, E Liu, J Loupias, B Lung, A Marchand, D Martin, JW McFarlane, KW Mckee, DW McKeown, RD Merchez, F Mkrtchyan, H Moffit, B Morlet, M Nakagawa, I Nakahara, K Neveling, R Ong, S Page, S Papavassiliou, V Pate, SF Phillips, SK Pitt, ML Poelker, M Porcelli, TA Quemener, G Quinn, B Ramsay, WD Rauf, AW Real, JS Roche, J Roos, P Rutledge, GA Secrest, J Simicevic, N Smith, GR Spayde, DT Stepanyan, S Stutzman, M Sulkosky, V Tadevosyan, V Tieulent, R de Wiele, JV van Oers, WTH Voutier, E Vulcan, W Warren, G Wells, SP Williamson, SE Wood, SA Yan, C Yun, J Zeps, V AF Armstrong, D. S. Arvieux, J. Asaturyan, R. Averett, T. Bailey, S. L. Batigne, G. Beck, D. H. Beise, E. J. Benesch, J. Bimbot, L. Birchall, J. Biselli, A. Bosted, P. Boukobza, E. Breuer, H. Carlini, R. Carr, R. Chant, N. Chao, Y.-C. Chattopadhyay, S. Clark, R. Covrig, S. Cowley, A. Dale, D. Davis, C. Falk, W. Finn, J. M. Forest, T. Franklin, G. Furget, C. Gaskell, D. Grames, J. Griffioen, K. A. Grimm, K. Guillon, B. Guler, H. Hannelius, L. Hasty, R. Allen, A. Hawthorne Horn, T. Johnston, K. Jones, M. Kammel, P. Kazimi, R. King, P. M. Kolarkar, A. Korkmaz, E. Korsch, W. Kox, S. Kuhn, J. Lachniet, J. Lee, L. Lenoble, J. Liatard, E. Liu, J. Loupias, B. Lung, A. Marchand, D. Martin, J. W. McFarlane, K. W. Mckee, D. W. McKeown, R. D. Merchez, F. Mkrtchyan, H. Moffit, B. Morlet, M. Nakagawa, I. Nakahara, K. Neveling, R. Ong, S. Page, S. Papavassiliou, V. Pate, S. F. Phillips, S. K. Pitt, M. L. Poelker, M. Porcelli, T. A. Quemener, G. Quinn, B. Ramsay, W. D. Rauf, A. W. Real, J.-S. Roche, J. Roos, P. Rutledge, G. A. Secrest, J. Simicevic, N. Smith, G. R. Spayde, D. T. Stepanyan, S. Stutzman, M. Sulkosky, V. Tadevosyan, V. Tieulent, R. de Wiele, J. Van van Oers, W. T. H. Voutier, E. Vulcan, W. Warren, G. Wells, S. P. Williamson, S. E. Wood, S. A. Yan, C. Yun, J. Zeps, V. TI Transverse beam spin asymmetries in forward-angle elastic electron-proton scattering SO PHYSICAL REVIEW LETTERS LA English DT Article ID NUCLEON SCATTERING AB We have measured the beam-normal single-spin asymmetry in elastic scattering of transversely polarized 3 GeV electrons from unpolarized protons at Q(2)=0.15, 0.25 (GeV/c)(2). The results are inconsistent with calculations solely using the elastic nucleon intermediate state and generally agree with calculations with significant inelastic hadronic intermediate state contributions. A(n) provides a direct probe of the imaginary component of the 2 gamma exchange amplitude, the complete description of which is important in the interpretation of data from precision electron-scattering experiments. C1 Coll William & Mary, Dept Phys, Williamsburg, VA 23187 USA. Univ Paris 11, IN2P3, CNRS, Inst Nucl Phys, Orsay, France. Yerevan Phys Inst, Yerevan 375036, Armenia. Univ Grenoble 1, IN2P3, CNRS, LPSC, Grenoble, France. Univ Illinois, Loomis Lab Phys, Urbana, IL 61801 USA. Univ Maryland, Dept Phys, College Pk, MD 20742 USA. Thomas Jefferson Natl Accelerator Facil, Newport News, VA 23606 USA. Univ Manitoba, Dept Phys, Winnipeg, MB R3T 2N2, Canada. Carnegie Mellon Univ, Dept Phys, Pittsburgh, PA 15213 USA. CALTECH, Kellogg Radiat Lab, Pasadena, CA 91125 USA. Univ Kentucky, Dept Phys & Astron, Lexington, KY 40506 USA. TRIUMF, Vancouver, BC V6T 2A3, Canada. Louisiana Tech Univ, Dept Phys, Ruston, LA 71272 USA. Virginia Tech, Dept Phys, Blacksburg, VA 24061 USA. Univ No British Columbia, Dept Phys, Prince George, BC V2N 4Z9, Canada. Univ Winnipeg, Dept Phys, Winnipeg, MB R3B 2E9, Canada. New Mexico State Univ, Dept Phys, Las Cruces, NM 88003 USA. Grinnell Coll, Dept Phys, Grinnell, IA 50112 USA. Hampton Univ, Dept Phys, Hampton, VA 23668 USA. RI Averett, Todd/A-2969-2011; Birchall, James/N-1711-2014; Franklin, Gregg/N-7743-2014; Quinn, Brian/N-7343-2014; OI Birchall, James/0000-0001-8521-6924; Franklin, Gregg/0000-0003-4176-1378; Quinn, Brian/0000-0003-2800-986X; King, Paul/0000-0002-3448-2306; Quemener, Gilles/0000-0001-6703-6655 NR 26 TC 12 Z9 12 U1 2 U2 5 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 AUG 31 PY 2007 VL 99 IS 9 AR 092301 DI 10.1103/PhysRevLett.99.092301 PG 5 WC Physics, Multidisciplinary SC Physics GA 206AE UT WOS:000249155500007 PM 17930999 ER PT J AU Gutt, C Sprung, M Fendt, R Madsen, A Sinha, SK Tolan, M AF Gutt, C. Sprung, M. Fendt, R. Madsen, A. Sinha, S. K. Tolan, M. TI Partially wetting thin liquid films: Structure and dynamics studied with coherent x rays SO PHYSICAL REVIEW LETTERS LA English DT Article ID ROUGH SURFACES; CAPILLARY WAVES; POLYMER-FILM; REFLECTIVITY; INTERFACES; SCATTERING; STATICS AB We studied the surface structure of thin liquid films vapor deposited on solid substrates in a partial wetting situation by means of coherent x-ray scattering. No dynamics has been observed showing the absence of capillary waves on liquid films partially wetting a substrate. Instead an exponential form of the height-height correlation function has been found pointing toward a solidlike behavior of the thin liquid films at large length scales. The exact surface structure and degree of replication with the substrate depend on the deposition rate of the molecules. C1 Univ Dortmund, D-44221 Dortmund, Germany. Univ Calif San Diego, Dept Phys, La Jolla, CA 92093 USA. Argonne Natl Lab, Argonne, IL 60439 USA. European Synchrotron Radiat Facil, F-38043 Grenoble, France. RP Gutt, C (reprint author), Univ Dortmund, Otti Hahn Str 4, D-44221 Dortmund, Germany. RI Gutt, Christian/H-9846-2012; Gutt, Christian/F-6337-2013 NR 20 TC 13 Z9 13 U1 1 U2 9 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 0031-9007 J9 PHYS REV LETT JI Phys. Rev. Lett. PD AUG 31 PY 2007 VL 99 IS 9 AR 096104 DI 10.1103/PhysRevLett.99.096104 PG 4 WC Physics, Multidisciplinary SC Physics GA 206AE UT WOS:000249155500031 PM 17931023 ER PT J AU Roth, R Navratil, P AF Roth, R. Navratil, P. TI Ab initio study of Ca-40 with an importance-truncated no-core shell model SO PHYSICAL REVIEW LETTERS LA English DT Article AB We propose an importance truncation scheme for no-core shell model or configuration interaction approaches, which enables converged calculations for nuclei well beyond the p shell. It is based on an a priori measure for the importance of individual basis states constructed by means of many-body perturbation theory. Only the physically relevant states of the no-core model space are considered, which leads to a dramatic reduction of the basis dimension. We analyze the validity and efficiency of this truncation scheme using different realistic nucleon-nucleon interactions and compare to conventional no-core shell model calculations for He-4 and O-16. Then, we present first converged calculations for the ground state of Ca-40 within no-core model spaces including up to 16h Omega excitations using realistic low-momentum interactions. The scheme is universal and can be easily applied to other quantum many-body problems. C1 Tech Univ Darmstadt, Inst Kernphys, D-64289 Darmstadt, Germany. Lawrence Livermore Natl Lab, Livermore, CA 94551 USA. RP Roth, R (reprint author), Tech Univ Darmstadt, Inst Kernphys, Schlossgartenstr 9, D-64289 Darmstadt, Germany. EM robert.roth@physik.tu-darmstadt.de; navratil1@llnl.gov RI Roth, Robert/B-6502-2008 NR 19 TC 102 Z9 103 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 AUG 31 PY 2007 VL 99 IS 9 AR 092501 DI 10.1103/PhysRevLett.99.092501 PG 4 WC Physics, Multidisciplinary SC Physics GA 206AE UT WOS:000249155500008 PM 17931000 ER PT J AU Sandberg, RL Paul, A Raymondson, DA Hadrich, S Gaudiosi, DM Holtsnider, J Tobey, RI Cohen, O Murnane, MM Kapteyn, HC Song, CG Miao, JW Liu, YW Salmassi, F AF Sandberg, Richard L. Paul, Ariel Raymondson, Daisy A. Haedrich, Steffen Gaudiosi, David M. Holtsnider, Jim Tobey, Ra'anan I. Cohen, Oren Murnane, Margaret M. Kapteyn, Henry C. Song, Changyong Miao, Jianwei Liu, Yanwei Salmassi, Farhad TI Lensless diffractive imaging using tabletop coherent high-harmonic soft-x-ray beams SO PHYSICAL REVIEW LETTERS LA English DT Article ID PHASE-MATCHED GENERATION; LIGHT; MICROSCOPY; HOLOGRAPHY; RETRIEVAL; LASER AB We present the first experimental demonstration of lensless diffractive imaging using coherent soft x rays generated by a tabletop soft-x-ray source. A 29 nm high harmonic beam illuminates an object, and the subsequent diffraction is collected on an x-ray CCD camera. High dynamic range diffraction patterns are obtained by taking multiple exposures while blocking small-angle diffraction using beam blocks of varying size. These patterns reconstruct to images with 214 nm resolution. This work demonstrates a practical tabletop lensless microscope that promises to find applications in materials science, nanoscience, and biology. C1 Univ Colorado, JILA, Boulder, CO 80309 USA. Univ Colorado, Dept Phys, Boulder, CO 80309 USA. Univ Colorado, NSF Engn Res Ctr Extreme Ultraviolet Sci & Techno, Boulder, CO 80309 USA. Univ Calif Los Angeles, Dept Phys & Astron, Los Angeles, CA 90095 USA. Lawrence Berkeley Natl Lab, Ctr Xray Opt, Berkeley, CA 94720 USA. RP Sandberg, RL (reprint author), Univ Colorado, JILA, Boulder, CO 80309 USA. EM Richard.Sandberg@colorado.edu RI Sandberg, Richard/F-8790-2011; Hadrich, Steffen/B-4331-2008; Kapteyn, Henry/H-6559-2011 OI Kapteyn, Henry/0000-0001-8386-6317 NR 25 TC 183 Z9 185 U1 2 U2 37 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 0031-9007 J9 PHYS REV LETT JI Phys. Rev. Lett. PD AUG 31 PY 2007 VL 99 IS 9 AR 098103 DI 10.1103/PhysRevLett.99.098103 PG 4 WC Physics, Multidisciplinary SC Physics GA 206AE UT WOS:000249155500048 PM 17931040 ER PT J AU Sato, Y Chiang, S Bartelt, NC AF Sato, Y. Chiang, S. Bartelt, N. C. TI Spontaneous domain switching during phase separation of Pb on Ge(111) SO PHYSICAL REVIEW LETTERS LA English DT Article ID MONOLAYER AB Using low-energy electron microscopy (LEEM), we have discovered a novel phase separation mechanism for Pb on Ge(111). When the low Pb coverage (1x1) phase coexists with the high coverage beta phase, the surface consists of similar to 100 nm sized domains that spontaneously switch from one phase to the other. We argue this striking mechanism occurs because nanometer-scale domains can have density fluctuations comparable to the density difference between the two phases. C1 Univ Calif Davis, Dept Phys, Davis, CA 95616 USA. Lawrence Berkeley Natl Lab, NCEM, Berkeley, CA 94720 USA. Sandia Natl Labs, Livermore, CA 94551 USA. RP Sato, Y (reprint author), Univ Calif Davis, Dept Phys, Davis, CA 95616 USA. RI Bartelt, Norman/G-2927-2012 NR 15 TC 7 Z9 7 U1 2 U2 3 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 0031-9007 J9 PHYS REV LETT JI Phys. Rev. Lett. PD AUG 31 PY 2007 VL 99 IS 9 AR 096103 DI 10.1103/PhysRevLett.99.096103 PG 4 WC Physics, Multidisciplinary SC Physics GA 206AE UT WOS:000249155500030 PM 17931022 ER PT J AU Huang, ML Schlagel, DL Schmidt, FA Lograsso, TA AF Huang, Mianliang Schlagel, Deborah L. Schmidt, Frederick A. Lograsso, Thomas A. TI Experimental investigation and thermodynamic modeling of the Gd-Si system SO JOURNAL OF ALLOYS AND COMPOUNDS LA English DT Article DE Gd-Si phase diagram; thermal analysis; x-ray diffraction; scanning electron microscopy; thermodynamic modeling ID DIRECT-SYNTHESIS CALORIMETRY; EARTH-METAL DISILICIDES; GADOLINIUM SILICIDES; STANDARD ENTHALPIES; ALLOYS; GERMANIDES; NEODYMIUM; SILICON AB The Gd-Si system has been investigated via experiments and thermodynamic modeling. In the experimental part, alloys were prepared by arc melting pure Gd and Si slugs and annealing at high temperature. The annealed alloys were then investigated by thermal analysis, X-ray diffraction and scanning electron microscopy. Except for the compound with AlB2 structure, the existence of all other compounds was confirmed. In our study, instead of Gd2Si3, the compound with AlB2 structure was found to be Gd3Si5. Although most of the reported invariant reaction temperatures are in good agreement with the present data, the convex liquidus in the composition range of 55-65 at.% Si was not found. The available phase equilibrium and thermodynamic data for the Gd-Si system were used in optimization of thermodynamic parameters by WinPhad software. The calculated phase equilibria and thermodynamic properties were compared to the corresponding experimental data and good agreement was found. (C) 2006 Published by Elsevier B.V. C1 Iowa State Univ, Mat & Engn Phys Program, Ames Lab, Ames, IA 50011 USA. RP Huang, ML (reprint author), Iowa State Univ, Mat & Engn Phys Program, Ames Lab, Ames, IA 50011 USA. EM mhuang@ameslab.gov NR 27 TC 10 Z9 11 U1 0 U2 7 PU ELSEVIER SCIENCE SA PI LAUSANNE PA PO BOX 564, 1001 LAUSANNE, SWITZERLAND SN 0925-8388 J9 J ALLOY COMPD JI J. Alloy. Compd. PD AUG 30 PY 2007 VL 441 IS 1-2 BP 94 EP 100 DI 10.1016/j.jallcom.2006.09.068 PG 7 WC Chemistry, Physical; Materials Science, Multidisciplinary; Metallurgy & Metallurgical Engineering SC Chemistry; Materials Science; Metallurgy & Metallurgical Engineering GA 189LS UT WOS:000247991000020 ER PT J AU Wu, D Huang, M Lograsso, TA McCallum, RW Mozharivski, Y Llobet, A AF Wu, D. Huang, M. Lograsso, T. A. McCallum, R. W. Mozharivski, Y. Llobet, A. TI Determination of stoichiometry and site disorder in the complex intermetallics SO JOURNAL OF ALLOYS AND COMPOUNDS LA English DT Article DE complex intermetallics; stoichiometry; Pr6Ni2Si3 ID CRYSTAL-STRUCTURE; NICKEL SILICIDES; THERMAL-ANALYSIS AB A combination of characterization methods (SEM, X-ray diffraction, DTA, neutron diffraction and phase diagram analyses) has been used to determine the actual composition of a complex intermetallic compound of nominal composition Pr6Ni2Si3 where neither X-ray nor neutron diffraction alone are capable of differentiating between vacancies or Si substitution on one of the Ni sites due to the scattering factor of two Si substitutions being equivalent to one Ni atom plus a vacancy. Using a combination of quantitative phase analysis of the diffraction data based on Reitveld refinement, metallography and mass balance calculations, the correct stoichiometry was found to necessarily contain excess Si, and is close to the stoichiometry, Pr6Ni1.6Si3.2. Nonetheless this composition still contains around 1% second phase following long term anneal. Due to the close proximity of neighboring phases, this corresponds to an error in stoichiometry of approximately 0.02%. Assuming similar occupancies of Si and Ni on the Ni sites for other members of the homologous series R((n+2)(n+1))Nin((n-1)+2)Si(n(n+1)), compositions of Pr5Ni1.85Si3.1 and Pr15Ni6.7Si10.2 were predicted for n = 3 and n = 4 alloys, respectively, and verified experimentally. The approach present in this paper is applicable to many other systems. (C) 2006 Elsevier B.V. All rights reserved. C1 Iowa State Univ, Ames Lab, Mat & Engn Phys Program, Ames, IA 50011 USA. Iowa State Univ, Dept Mat Sci & Engn, Ames, IA 50011 USA. Los Alamos Natl Lab, Manuel Lujan Jr Neutron Scattering Ctr, Los Alamos, NM 87545 USA. RP Wu, D (reprint author), Iowa State Univ, Ames Lab, Mat & Engn Phys Program, Ames, IA 50011 USA. EM wudm@ameslab.gov RI Llobet, Anna/B-1672-2010 NR 10 TC 2 Z9 2 U1 0 U2 3 PU ELSEVIER SCIENCE SA PI LAUSANNE PA PO BOX 564, 1001 LAUSANNE, SWITZERLAND SN 0925-8388 J9 J ALLOY COMPD JI J. Alloy. Compd. PD AUG 30 PY 2007 VL 441 IS 1-2 BP 206 EP 213 DI 10.1016/j.jallcom.2006.09.075 PG 8 WC Chemistry, Physical; Materials Science, Multidisciplinary; Metallurgy & Metallurgical Engineering SC Chemistry; Materials Science; Metallurgy & Metallurgical Engineering GA 189LS UT WOS:000247991000042 ER PT J AU Brinks, HW Brown, C Jensen, CM Graetz, J Reilly, JJ Hauback, BC AF Brinks, H. W. Brown, C. Jensen, C. M. Graetz, J. Reilly, J. J. Hauback, B. C. TI The crystal structure of gamma-AlD3 SO JOURNAL OF ALLOYS AND COMPOUNDS LA English DT Article DE powder neutron diffraction; synchrotron radiation; metal hydrides; alane ID ALUMINUM-HYDRIDE; ALH3 AB gamma-AID(3) was synthesized from LiAlD4 and AlCl3 via thermal decomposition of aluminum hydride etherate in presence of excess LiAlD4-gamma-AlD3 was determined by powder neutron diffraction and synchrotron X-ray diffraction to crystallize in the space group Pnnm. The orthorhombic structure has unit-cell dimensions a=7.3360(3) angstrom, b=5.3672(2) angstrom and c=5.7562(1) angstrom, and it consists of both comer- and edge-sharing AID(6) octahedra where each hydrogen is shared between two octahedra. The average Al-D distances in octahedra with edge-sharing is 1.706 angstrom and in the octahedra with only corner-sharing 1.719 angstrom. (C) 2006 Elsevier B.V. All rights reserved. C1 Inst Energy Technol, N-2027 Kjeller, Norway. Univ Hawaii, Dept Chem, Honolulu, HI 96822 USA. Brookhaven Natl Lab, Dept Energy Sci & Technol, Upton, NY 11973 USA. RP Hauback, BC (reprint author), Inst Energy Technol, PO Box 40, N-2027 Kjeller, Norway. EM bjorn.hauback@ife.no NR 13 TC 41 Z9 42 U1 0 U2 8 PU ELSEVIER SCIENCE SA PI LAUSANNE PA PO BOX 564, 1001 LAUSANNE, SWITZERLAND SN 0925-8388 J9 J ALLOY COMPD JI J. Alloy. Compd. PD AUG 30 PY 2007 VL 441 IS 1-2 BP 364 EP 367 DI 10.1016/j.jallcom.2006.09.139 PG 4 WC Chemistry, Physical; Materials Science, Multidisciplinary; Metallurgy & Metallurgical Engineering SC Chemistry; Materials Science; Metallurgy & Metallurgical Engineering GA 189LS UT WOS:000247991000070 ER PT J AU Winkler, B Wilson, DJ Vogel, SC Brown, DW Sisneros, TA Milman, V AF Winkler, Bjoern Wilson, Dan J. Vogel, Sven C. Brown, Donald W. Sisneros, Thomas A. Milman, Victor TI In situ observation of the formation of TiC from the elements by neutron diffraction SO JOURNAL OF ALLOYS AND COMPOUNDS LA English DT Article DE ceramics; solid state reactions; neutron diffraction; computer simulations ID GENERALIZED GRADIENT APPROXIMATION; HIGH-TEMPERATURE SYNTHESIS; THERMAL-EXPANSION; ALPHA-TITANIUM; SIMULATION; CONSTANTS; EXCHANGE AB In situ neutron diffraction has been employed to investigate the formation of TiCx from the elements at relatively low temperatures, beginning at T similar to 1073 K. Slow heating of the mixture of the elements precludes the generation of sufficient heat to induce a self-propagating high temperature synthesis (SHS), reported in the literature for this system. We observe that the reaction starts well before the alpha-beta transition in Ti occurs, which implies that in this case this transition does not: serve as a trigger mechanism for SHS. An extensive coexistence of both polymorphs of titanium suggests that a significant amount of carbon diffuses into the hexagonal alpha-Ti lattice and stabilizes it with respect to the cubic beta-phase. This is supported by the observation of an anomalous increase of the c-lattice parameter of the alpha-Ti lattice above the transition temperature for pure alpha-Ti. Density functional theory (DFT) based calculations support this interpretation. The energetics of the carburization of alpha-Ti have been obtained from the DFT calculations. (C) 2006 Elsevier B.V. All rights reserved. C1 Goethe Univ Frankfurt, Inst Geowissensch, Abt Kristallog, D-60054 Frankfurt, Germany. Los Alamos Natl Lab, Manuel Lujan Jr Neutron Scattering Ctr, Los Alamos, NM 87545 USA. Accelrys Inc, Cambridge CB4 0WN, England. RP Winkler, B (reprint author), Goethe Univ Frankfurt, Inst Geowissensch, Abt Kristallog, Senckenberganlage 30, D-60054 Frankfurt, Germany. EM b.winkler@kristall.uni-frankfurt.de RI Lujan Center, LANL/G-4896-2012; Milman, Victor/M-6117-2015; OI Milman, Victor/0000-0003-2258-1347; Vogel, Sven C./0000-0003-2049-0361 NR 29 TC 14 Z9 14 U1 2 U2 10 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 AUG 30 PY 2007 VL 441 IS 1-2 BP 374 EP 380 DI 10.1016/j.jallcom.2006.11.103 PG 7 WC Chemistry, Physical; Materials Science, Multidisciplinary; Metallurgy & Metallurgical Engineering SC Chemistry; Materials Science; Metallurgy & Metallurgical Engineering GA 189LS UT WOS:000247991000072 ER PT J AU Onishi, LM Prausnitz, JM Newman, J AF Onishi, Lisa M. Prausnitz, John M. Newman, John TI Water-nafion equilibria. Absence of Schroeder's paradox SO JOURNAL OF PHYSICAL CHEMISTRY B LA English DT Article ID ANGLE X-RAY; PERFLUORINATED IONOMER MEMBRANES; PERFLUOROSULFONIC ACID MEMBRANES; POLYMER-ELECTROLYTE MEMBRANES; ION-EXCHANGE MEMBRANES; PROTON CONDUCTIVITY; ELECTRICAL-CONDUCTIVITY; NEUTRON-SCATTERING; WIDE-ANGLE; TRANSPORT AB Water-Nafion phase equilibria and proton conductivities were measured in two ways. First, Nafion was in contact with saturated water vapor. Second, Nafion was in contact with liquid water at the same temperature. At 29 degrees C, for preboiled, vapor-equilibrated Nafion exposed to water with an activity = 1 and air pressures ranging from 0 to 0.96 bar, the water content was lambda = 23 +/- 1 mol H2O/mol SO3-. For the preboiled, liquid-equilibrated membrane, lambda = 24 +/- 2. At 100% relative humidity (RH), the water content of preboiled Nafion decreased as the temperature rose from 30 to 80 degrees C but did not recover its initial water content when the temperature returned to 30 degrees C. The water content of predried Nafion at 1 atm and 30 degrees C was lambda = 13.7 +/- 0.2 when vapor-equilibrated and lambda = 13.1 +/- 0.5 when liquid-equilibrated. A Nafion membrane originally boiled in water had much higher liquid- and 100% RH vapor-equilibrated proton conductivities than the same membrane originally dried at 110 degrees C with a RH less than 2%. The liquid-equilibrated and 100% RH vapor-equilibrated membrane conductivities were the same when the membrane had the same thermal history. The conductivity data was fit to a model, and the water content was determined at different temperatures. The predried membrane water content increased with temperature, and the preboiled membrane's water content changed slightly with temperature. Both water sorption and proton-conductivity data do not exhibit Schroeder's paradox. These studies and previous results suggest that Schroeder's paradox is resolved when attention is given to the thermal history of the absorbing polymer. C1 Univ Calif Berkeley, Lawrence Berkeley Lab, Environm Energy Technol Div, Berkeley, CA 94720 USA. Univ Calif Berkeley, Dept Chem Engn, Berkeley, CA 94720 USA. RP Onishi, LM (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, Environm Energy Technol Div, Berkeley, CA 94720 USA. EM onishil@berkeley.edu RI Newman, John/B-8650-2008 OI Newman, John/0000-0002-9267-4525 NR 73 TC 111 Z9 111 U1 1 U2 18 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 1520-6106 J9 J PHYS CHEM B JI J. Phys. Chem. B PD AUG 30 PY 2007 VL 111 IS 34 BP 10166 EP 10173 DI 10.1021/jp073242v PG 8 WC Chemistry, Physical SC Chemistry GA 202US UT WOS:000248929900016 PM 17685645 ER PT J AU Yang, HC Ling, MM Yang, L AF Yang, Hoichang Ling, Mang-Mang Yang, Lin TI Temperature-dependent pentacene nanostructures on hydrophobic gate-dielectrics correlated with charge carrier mobilities SO JOURNAL OF PHYSICAL CHEMISTRY C LA English DT Letter ID THIN-FILM TRANSISTORS; FIELD-EFFECT TRANSISTORS; ELECTRICAL CHARACTERISTICS; MORPHOLOGY; TRANSPORT; PERFORMANCE; SUBSTRATE; DESIGN AB Crystalline nanostructures of pentacene thin films on octadecyltrichlorosilane-treated dielectrics, held at various substrate deposition temperatures (T(D)s), have been correlated with charge mobilities in the 60 nm thick pentacene-based field-effect transistors. On the gate-dielectrics held at T-D <= 60 degrees C, the first pentacene seeding crystals tend to grow with layer-by-layer mode, while at TD > 60 C they start to grow with island mode, affecting the subsequently growing crystal structure. Grazing-incidence X-ray diffraction shows that with an increase in TD a surface-induced "thin film phase" competes with a triclinic "bulk phase", which significantly interferes lateral pi-conjugation of pentacene due to different polymorphic structures. C1 Rensselaer Polytech Inst, Rensselaer Nanotechnol Ctr, Troy, NY 12180 USA. Stanford Univ, Dept Chem Engn, Stanford, CA 94305 USA. Brookhaven Natl Lab, Natl Synchrotron Light Source Dept, Upton, NY 11973 USA. RP Yang, HC (reprint author), Rensselaer Polytech Inst, Rensselaer Nanotechnol Ctr, Troy, NY 12180 USA. EM yangh3@rpi.edu RI Yang, Lin/D-5872-2013 OI Yang, Lin/0000-0003-1057-9194 NR 26 TC 6 Z9 6 U1 0 U2 6 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 1932-7447 J9 J PHYS CHEM C JI J. Phys. Chem. C PD AUG 30 PY 2007 VL 111 IS 34 BP 12508 EP 12511 DI 10.1021/jp075074c PG 4 WC Chemistry, Physical; Nanoscience & Nanotechnology; Materials Science, Multidisciplinary SC Chemistry; Science & Technology - Other Topics; Materials Science GA 202UK UT WOS:000248929100004 ER PT J AU Gerion, D Herberg, J Bok, R Gjersing, E Ramon, E Maxwell, R Kurhanewicz, J Budinger, TF Gray, JW Shuman, MA Chen, FF AF Gerion, Daniele Herberg, Julie Bok, Robert Gjersing, Erica Ramon, Erick Maxwell, Robert Kurhanewicz, John Budinger, Thomas F. Gray, Joe W. Shuman, Marc A. Chen, Fanqing Frank TI Paramagnetic silica-coated nanocrystals as an advanced MRI contrast agent SO JOURNAL OF PHYSICAL CHEMISTRY C LA English DT Article ID QUANTUM DOTS; MAGNETIC NANOCRYSTALS; GENE-EXPRESSION; LIVING CELLS; CANCER; PROBES; DNA; NANOPARTICLES; PARTICLES; PROTEINS AB We present a robust and general method for embedding nanoparticles, such as quantum dots (QD) or colloidal gold (Au) nanocrystals, into a highly water-soluble thin silica shell doped with paramagnetic gadolinium (Gd3+) ions without negatively impacting the optical properties of the QD or Au nanoparticle cores. The ultrathin silica shell has been covalently linked to Gd3+ ions chelator, tetraazacyclododecanetetraacetic acid (DOTA). The resulting complex has a diameter of 8 to 15 nm and is soluble in high ionic strength buffers at pH values ranging from approximately 4 to 11. For this system, nanoparticle concentrations exceed 50 AM, while most other nanoparticles might aggregate. In magnetic resonance imaging (MRI) experiments at clinical magnetic field strengths of 1.4 T (H-1 resonance frequency of 60 MHz), the gadolinium- DOTA (Gd-DOTA) attached to SiO2-coated QDs has a spin-lattice (T-1) particle relaxivity (r(1)) and a spin-spin (T-2) particle relaxivity (r(2)) of 1019 +/- 19 mM(-1)s(-1) and 2438 +/- 46 mM(-1) s(-1), respectively, for a 8-nm QD. The particle relaxivity has been correlated to the number of Gd3+ covalently linked to the silica shell. At 1.4 T, the Gd-DOTA ion relaxivities, r(1) and r(2), respectively, are 23 +/- 0.40 mM(-1)s(-1) and 54 +/- 1.0 mM(-1)s(-1). The sensitivity of our probes is in the 100-nM range for 8-10 nm particles and reaches 10 nM for particles approximately 15 nm in diameter. Preliminary dynamic contrast enhancement MRI experiments in mice revealed that silica-coated MRI probes are cleared from the renal system into the bladder with no observable affects on the health of the animal. This current approach may offer numerous advantages over other similar approaches, (1,2) including greater relaxivity and greater simplicity for the synthesis process of dual modality contrast agents that allow both MRI and optical detection as well as applicability to other nanoparticles. C1 Lawrence Livermore Natl Lab, Livermore, CA 94588 USA. Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA. Lawrence Livermore Natl Lab, Livermore, CA 94551 USA. Univ Calif San Francisco, Dept Radiol, San Francisco, CA 94143 USA. Univ Calif San Francisco, Ctr Comprehens Canc, San Francisco, CA 94115 USA. RP Herberg, J (reprint author), Lawrence Livermore Natl Lab, 7000 E Ave, Livermore, CA 94588 USA. EM herberg1@llnl.gov; f_chen@lbl.gov NR 42 TC 62 Z9 64 U1 6 U2 42 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 1932-7447 J9 J PHYS CHEM C JI J. Phys. Chem. C PD AUG 30 PY 2007 VL 111 IS 34 BP 12542 EP 12551 DI 10.1021/jp074072p PG 10 WC Chemistry, Physical; Nanoscience & Nanotechnology; Materials Science, Multidisciplinary SC Chemistry; Science & Technology - Other Topics; Materials Science GA 202UK UT WOS:000248929100010 ER PT J AU Larentzos, JP Greathouse, JA Cygan, RT AF Larentzos, James P. Greathouse, Jeffery A. Cygan, Randall T. TI An ab initio and classical molecular dynamics investigation of the structural and vibrational properties of talc and pyrophyllite SO JOURNAL OF PHYSICAL CHEMISTRY C LA English DT Article ID URANYL(VI) ADSORPTION EQUILIBRIA; DIOCTAHEDRAL 2/1 PHYLLOSILICATES; TOTAL-ENERGY CALCULATIONS; AUGMENTED-WAVE METHOD; COMPUTER-SIMULATION; CLAY-MINERALS; HYDROGEN-BOND; FORCE-FIELD; BASIS-SET; KAOLINITE AB The structural and vibrational properties of two uncharged 2:1 phyllosilicates, talc and pyrophyllite, are investigated via ab initio and classical molecular dynamics simulations. The quantum mechanical simulations are based on plane-wave pseudopotential density functional theory (DFT), which is shown to be sufficiently accurate in predicting the clay mineral structural and vibrational properties. The classical molecular dynamics (MD) simulations, using the CLAYFF force field, faithfully reproduce the crystal structures with relatively simple analytical functions that include primarily nonbonded interactions. The adsorption properties in these clay minerals are strongly dependent upon the disposition of the hydroxyl group in the octahedral sheet. With the assistance of molecular simulation, the relationship between the hydroxyl group vibrational modes and the molecular-scale structure is explored. The talc hydroxyl groups are oriented perpendicular to the ab plane, while the presence of the dioctahedral vacancies associated with pyrophyllite significantly alters the hydroxyl group structural and vibrational character. Overall, a detailed comparison between the ab initio and the classical MD structural and vibrational properties provides guidance for future refinements to the empirical force field. C1 Sandia Natl Labs, Dept Geochem, Albuquerque, NM 87185 USA. RP Greathouse, JA (reprint author), Sandia Natl Labs, Dept Geochem, POB 5800, Albuquerque, NM 87185 USA. EM jagreat@sandia.gov NR 48 TC 43 Z9 44 U1 6 U2 30 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 1932-7447 J9 J PHYS CHEM C JI J. Phys. Chem. C PD AUG 30 PY 2007 VL 111 IS 34 BP 12752 EP 12759 DI 10.1021/jp072959f PG 8 WC Chemistry, Physical; Nanoscience & Nanotechnology; Materials Science, Multidisciplinary SC Chemistry; Science & Technology - Other Topics; Materials Science GA 202UK UT WOS:000248929100040 ER PT J AU Nightingale, JM Coops, NC Waring, RH Hargrove, WW AF Nightingale, J. M. Coops, N. C. Waring, R. H. Hargrove, W. W. TI Comparison of MODIS gross primary production estimates for forests across the USA with those generated by a simple process model, 3-PGS SO REMOTE SENSING OF ENVIRONMENT LA English DT Article DE MODIS GPP; 3-PGS; USA forests; gross primary production; available soil water capacity ID NET PRIMARY PRODUCTION; WATER-VAPOR EXCHANGE; USE EFFICIENCY; CARBON-DIOXIDE; SATELLITE DATA; ECOSYSTEM; OREGON; GROWTH; NITROGEN; GPP AB Since 2000, NASA's Moderate Resolution Imaging Spectro-radiometer (MODIS) has provided 1 x 1 km estimates of 8-day gross primary production (GPP). The MODIS algorithm computes GPP as a simple function of absorbed photosynthetically active radiation and a regionally assigned light-use conversion efficiency (LUE) that is reduced if temperature or atmospheric vapor pressure deficits are suboptimal. We compared MODIS-derived GPP estimates for forested areas across the United States of America (U.S.A.) with those generated by the 3-PGS (Physiological Principles Predicting Growth using Satellite data) model, the latter of which considers spatial variation in available soil water storage capacity (ASWC) and nitrogen content. We expected seasonal and annual MODIS GPP values to be in close agreement with those derived from the 3-PGS model in regions with adequate precipitation, soil water storage, and moderately fertile soils. 3-PGS was initially run with STATSGO-derived soils information provided by the Oak Ridge National Laboratory. The analysis was expanded to include sensitivity analyses with ASWC set at 50, 100, 300, and 400 mm to identify areas within nine major ecoregions where drought might prove to be a major limitation on GPP. The majority of forests across the U.S.A. were relatively insensitive to large variations in ASW storage. In areas where ASWC was assumed < 200 mm and average annual rainfall was < 100 mm yr(-1), GPP was predicted to be reduced by > 60%. There was generally good agreement (within 20%) between MODIS and 3-PGS estimates of forest GPP across the U.S.A. GPP predicted by the MODIS model was generally higher in ecoregions with substantial drought and with relatively low soil fertility. The latter, which influences LUE, was more than twice as important as soil drought. (C) 2007 Elsevier Inc. All rights reserved. C1 Oregon State Univ, Coll Forestry, Corvallis, OR 97331 USA. Univ British Columbia, Dept Forest Resource Management, Vancouver, BC V6T 1Z4, Canada. Oak Ridge Natl Lab, Div Environm Sci, Oak Ridge, TN 37831 USA. RP Waring, RH (reprint author), Oregon State Univ, Coll Forestry, Corvallis, OR 97331 USA. EM Joanne.Nightingale@oregonstate.edu; nicholas.coops@ubc.ca; richard.waring@oregonstate.edu; hnw@fire.esd.ornl.gov RI Coops, Nicholas/J-1543-2012; Waring, Richared/C-4796-2014 OI Coops, Nicholas/0000-0002-0151-9037; Waring, Richared/0000-0003-2533-3664 NR 47 TC 45 Z9 49 U1 2 U2 15 PU ELSEVIER SCIENCE INC PI NEW YORK PA 360 PARK AVE SOUTH, NEW YORK, NY 10010-1710 USA SN 0034-4257 J9 REMOTE SENS ENVIRON JI Remote Sens. Environ. PD AUG 30 PY 2007 VL 109 IS 4 BP 500 EP 509 DI 10.1016/j.rse.2007.02.004 PG 10 WC Environmental Sciences; Remote Sensing; Imaging Science & Photographic Technology SC Environmental Sciences & Ecology; Remote Sensing; Imaging Science & Photographic Technology GA 193RZ UT WOS:000248293300010 ER PT J AU Liu, YG Daum, PH McGraw, RL Miller, MA Niu, SJ AF Liu, Yangang Daum, Peter H. McGraw, Robert L. Miller, Mark A. Niu, Shengjie TI Theoretical expression for the autoconversion rate of the cloud droplet number concentration SO GEOPHYSICAL RESEARCH LETTERS LA English DT Article ID MICROPHYSICAL PROCESSES; EFFECTIVE RADIUS; CLIMATE MODELS; PART I; PARAMETERIZATION; DISTRIBUTIONS; COLLECTION AB [1] Accurate parameterization of the autoconversion rate of the cloud droplet concentration (number autoconversion rate in cm(-3) s(-1)) is critical for evaluating aerosol indirect effects using climate models; however, existing parameterizations are empirical at best. A theoretical expression is presented in this contribution that analytically relates the number autoconversion rate to the liquid water content, droplet concentration and relative dispersion of the cloud droplet size distribution. The analytical expression is theoretically derived by generalizing the analytical formulation previously developed for the autoconversion rate of the cloud liquid water content (mass autoconversion rate in g cm(-3) s(-1)). Further examination of the theoretical number and mass autoconversion rates reveals that the former is not linearly proportional to the latter as commonly assumed in existing parameterizations. The formulation forms a solid theoretical basis for developing multi-moment representation of the autoconversion process in atmospheric models in general. C1 Brookhaven Natl Lab, Upton, NY 11973 USA. NUIST, Key Lab Atmospher Phys & Atmospher Environm, Nanjing, Peoples R China. RP Liu, YG (reprint author), Brookhaven Natl Lab, Upton, NY 11973 USA. EM lyg@bnl.gov RI Liu, Yangang/H-6154-2011 NR 28 TC 11 Z9 12 U1 0 U2 3 PU AMER GEOPHYSICAL UNION PI WASHINGTON PA 2000 FLORIDA AVE NW, WASHINGTON, DC 20009 USA SN 0094-8276 J9 GEOPHYS RES LETT JI Geophys. Res. Lett. PD AUG 29 PY 2007 VL 34 IS 16 AR L16821 DI 10.1029/2007GL030389 PG 5 WC Geosciences, Multidisciplinary SC Geology GA 208QO UT WOS:000249334500002 ER PT J AU Wing, S Gjerloev, JW Johnson, JR Hoffman, RA AF Wing, Simon Gjerloev, Jesper W. Johnson, Jay R. Hoffman, R. A. TI Substorm plasma sheet ion pressure profiles SO GEOPHYSICAL RESEARCH LETTERS LA English DT Article ID MAGNETOSPHERIC SUBSTORMS; MODEL; ACCESS AB [1] The plasma sheet pressure, temperature, and density profiles inferred from DMSP observations are used to investigate substorm growth, expansion, early-recovery, and late-recovery phases. During the growth phase, the pressure peaks at the inner edge of the plasma sheet. The premidnight pressure peak is associated with the temperature peak, while the postmidnight peak is associated with the density enhancement. After the substorm onset, the pressure at the inner edge diminishes. Instead, the pressure peaks at premidnight from X =-10 to - 40 R-E, which can be associated with temperature enhancement. During the early and late recovery phases, the pressure peaks at postmidnight, which is associated with a cold, dense ion population, possibly resulting from ion outflow and the substorm current systems. In the near-Earth region, the entropy decreases after substorm onset, but the specific entropy appears to be roughly conserved. C1 Johns Hopkins Univ, Appl Phys Lab, Laurel, MD 20723 USA. NASA, Goddard Space Flight Ctr, Space Weather Lab, Greenbelt, MD 20771 USA. Princeton Plasma Phys Lab, Princeton, NJ 08543 USA. RP Wing, S (reprint author), Johns Hopkins Univ, Appl Phys Lab, Johns Hopkins Rd, Laurel, MD 20723 USA. EM simon.wing@jhuapl.edu NR 21 TC 18 Z9 18 U1 0 U2 2 PU AMER GEOPHYSICAL UNION PI WASHINGTON PA 2000 FLORIDA AVE NW, WASHINGTON, DC 20009 USA SN 0094-8276 EI 1944-8007 J9 GEOPHYS RES LETT JI Geophys. Res. Lett. PD AUG 29 PY 2007 VL 34 IS 16 AR L16110 DI 10.1029/2007GL030453 PG 6 WC Geosciences, Multidisciplinary SC Geology GA 208QO UT WOS:000249334500003 ER PT J AU Zhou, HD Wiebe, CR Jo, YJ Balicas, L Qiu, Y Copley, JRD Ehlers, G Fouquet, P Gardner, JS AF Zhou, H. D. Wiebe, C. R. Jo, Y. J. Balicas, L. Qiu, Y. Copley, J. R. D. Ehlers, G. Fouquet, P. Gardner, J. S. TI The origin of persistent spin dynamics and residual entropy in the stuffed spin ice Ho2.3Ti1.7O7-delta SO JOURNAL OF PHYSICS-CONDENSED MATTER LA English DT Article ID GEOMETRICAL FRUSTRATION; PYROCHLORE AB The so-called 'spin ices' form when exchange interactions, crystal fields, and dipolar interactions are in a delicate balance. This gives rise to a ground state which has a considerable amount of residual spin entropy, much like the proton entropy in water ice through the freezing transition. Recently, 'stuffed' spin ices have provided a means to probe how delicate a balance is needed to stabilize the disordered ground state. Surprisingly, it is found that an increase of the density of spins results in very little change in the residual entropy, which leads to the interesting idea that residual entropy states might be more common than once believed for magnetism. In this communication, we detail the crystal growth of stuffed spin ice Ho2.3Ti1.7O7-delta, and we complete neutron scattering experiments to observe how the spins order at low temperatures. It is found that even with this large perturbation, the system still has some key signatures of the spin ice state, but the spin dynamics is significantly altered. With this new data, an explanation emerges for the zero-point entropy in the stuffed spin ices. C1 Florida State Univ, Natl High Magnet Field Lab, Tallahassee, FL 32306 USA. Florida State Univ, Dept Phys, Tallahassee, FL 32306 USA. NIST, Ctr Neutron Res, Gaithersburg, MD 20899 USA. Univ Maryland, Dept Mat Sci & Engn, College Pk, MD 20742 USA. Oak Ridge Natl Lab, SNS Project, Oak Ridge, TN 37831 USA. Indiana Univ, Bloomington, IN 47408 USA. Inst Max Von Laue Paul Langevin, F-38042 Grenoble 9, France. RP Zhou, HD (reprint author), Florida State Univ, Natl High Magnet Field Lab, Tallahassee, FL 32306 USA. EM cwiebe@magnet.fsu.edu; jsg@nist.gov RI Balicas, Luis/A-3110-2008; Fouquet, Peter/B-5212-2008; Gardner, Jason/A-1532-2013; Ehlers, Georg/B-5412-2008; Zhou, Haidong/O-4373-2016 OI Fouquet, Peter/0000-0002-5542-0059; Ehlers, Georg/0000-0003-3513-508X; NR 16 TC 10 Z9 10 U1 0 U2 7 PU IOP PUBLISHING LTD PI BRISTOL PA DIRAC HOUSE, TEMPLE BACK, BRISTOL BS1 6BE, ENGLAND SN 0953-8984 J9 J PHYS-CONDENS MAT JI J. Phys.-Condes. Matter PD AUG 29 PY 2007 VL 19 IS 34 AR 342201 DI 10.1088/0953-8984/19/34/342201 PG 7 WC Physics, Condensed Matter SC Physics GA 192FK UT WOS:000248186000001 ER PT J AU Cabot, A Puntes, VF Shevchenko, E Yin, Y Balcells, L Marcus, MA Hughes, SM Alivisatos, AP AF Cabot, Andreu Puntes, Victor F. Shevchenko, Elena Yin, Yadong Balcells, Lluis Marcus, Matthew A. Hughes, Steven M. Alivisatos, A. Paul TI Vacancy coalescence during oxidation of iron nanoparticles SO JOURNAL OF THE AMERICAN CHEMICAL SOCIETY LA English DT Article ID OXIDE FILM GROWTH; RAY PHOTOELECTRON-SPECTROSCOPY; MONODISPERSE FE NANOPARTICLES; IONIC DIFFUSION; METAL CRYSTALS; WATER-VAPOR; KINETICS; NANOCRYSTALS; QUASES(TM) AB In the present work, we analyze the geometry and composition of the nanostructures obtained from the oxidation of iron nanoparticles. The initial oxidation of iron takes place by outward diffusion of cations through the growing oxide shell. This net material flow is balanced by an opposite flow of vacancies, which coalesce at the metal/oxide interface. Thus, the partial oxidation of colloidal iron nanoparticles leads to the formation of core-void-shell nanostructures. Furthermore, the complete oxidation of iron nanoparticles in the 3-8 nm size range leads to the formation of hollow iron oxide nanoparticles. We analyze the size and temperature range in which vacancy coalescence during oxidation of amine-stabilized iron nanoparticles takes place. Maghemite is the crystallographic structure obtained from the complete oxidation of iron nanoparticles under our synthetic conditions. C1 Univ Calif Berkeley, Lawrence Berkeley Lab, Div Mat Sci, Berkeley, CA 94720 USA. Inst Catala Estudis & Recerca Avancat, Barcelona 08193, Spain. Inst Catala Nanotecnol, Barcelona 08193, Spain. ICMAB CSIC, Inst Ciencia Mat Barcelona, Bellaterra 08193, Spain. Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA. Univ Calif Berkeley, Lawrence Berkeley Lab, Mol Foundry, Berkeley, CA 94720 USA. Univ Calif Berkeley, Lawrence Berkeley Lab, Adv Light Source, Berkeley, CA 94720 USA. RP Alivisatos, AP (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, Div Mat Sci, Berkeley, CA 94720 USA. EM alivis@berkeley.edu RI Yin, Yadong/D-5987-2011; Puntes, Victor/F-8407-2013; andreu, cabot/B-5683-2014; Balcells, Lluis/B-5027-2013; Alivisatos , Paul /N-8863-2015; OI Yin, Yadong/0000-0003-0218-3042; Puntes, Victor/0000-0001-8996-9499; Balcells, Lluis/0000-0001-6603-7357; Alivisatos , Paul /0000-0001-6895-9048; cabot, andreu /0000-0002-7533-3251 NR 25 TC 188 Z9 193 U1 15 U2 105 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0002-7863 J9 J AM CHEM SOC JI J. Am. Chem. Soc. PD AUG 29 PY 2007 VL 129 IS 34 BP 10358 EP + DI 10.1021/ja072574a PG 4 WC Chemistry, Multidisciplinary SC Chemistry GA 204HS UT WOS:000249035200030 PM 17676738 ER PT J AU Lee, JRI Han, TYJ Willey, TM Wang, D Meulenberg, RW Nilsson, J Dove, PM Terminello, LJ van Buuren, T De Yoreo, JJ AF Lee, Jonathan R. I. Han, T. Yong-Jin Willey, Trevor M. Wang, Dongbo Meulenberg, Robert W. Nilsson, Joakim Dove, Patricia M. Terminello, Louis J. van Buuren, Tony De Yoreo, James J. TI Structural development of mercaptophenol self-assembled monolayers and the overlying mineral phase during templated CaCO3 crystallization from a transient amorphous film SO JOURNAL OF THE AMERICAN CHEMICAL SOCIETY LA English DT Article ID ABSORPTION FINE-STRUCTURE; CARBONATE THIN-FILMS; CALCIUM-CARBONATE; X-RAY; LANGMUIR MONOLAYERS; ORIENTED CRYSTALLIZATION; COMPRESSED MONOLAYERS; BIOMIMETIC SYNTHESIS; PRECURSOR PHASE; CARBOXYLIC-ACID AB Formation of biomineral structures is increasingly attributed to directed growth of a mineral phase from an amorphous precursor on an organic matrix. While many in vitro studies have used calcite formation on organothiol self-assembled monolayers (SAMs) as a model system to investigate this process, they have generally focused on the stability of amorphous calcium carbonate (ACC) or maximizing control over the order of the final mineral phase. Little is known about the early stages of mineral formation, particularly the structural evolution of the SAM and mineral. Here we use near-edge X-ray absorption spectroscopy (NEXAFS), photoemission spectroscopy (PES), X-ray diffraction (XRD), and scanning electron microscopy (SEM) to address this gap in knowledge by examining the changes in order and bonding of mercaptophenol (MP) SAMs on Au(111) during the initial stages of mineral formation as well as the mechanism of ACC to calcite transformation during template-directed crystallization. We demonstrate that formation of ACC on the MP SAMs brings about a profound change in the morphology of the monolayers: although the as-prepared MP SAMs are composed of monomers with well-defined orientations, precipitation of the amorphous mineral phase results in substantial structural disorder within the monolayers. Significantly, a preferential face of nucleation is observed for crystallization of calcite from ACC on the SAM surfaces despite this static disorder. C1 Lawrence Livermore Natl Lab, Livermore, CA 94550 USA. Virginia Tech, Blacksburg, VA 24061 USA. RP Lee, JRI (reprint author), Lawrence Livermore Natl Lab, Livermore, CA 94550 USA. EM lee204@llnl.gov; deyoreo1@llnl.gov RI Dove, Patricia/A-7911-2010; Willey, Trevor/A-8778-2011; OI Willey, Trevor/0000-0002-9667-8830; Meulenberg, Robert/0000-0003-2696-8792 FU NIDDK NIH HHS [DK61673] NR 63 TC 74 Z9 74 U1 2 U2 45 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0002-7863 J9 J AM CHEM SOC JI J. Am. Chem. Soc. PD AUG 29 PY 2007 VL 129 IS 34 BP 10370 EP 10381 DI 10.1021/ja071535w PG 12 WC Chemistry, Multidisciplinary SC Chemistry GA 204HS UT WOS:000249035200032 PM 17672454 ER PT J AU Liu, GD Lin, YH AF Liu, Guodong Lin, Yuehe TI Electrochemical quantification of single-nucleotide polymorphisms using nanoparticle probes SO JOURNAL OF THE AMERICAN CHEMICAL SOCIETY LA English DT Article ID ALLELE FREQUENCY ESTIMATION; MUTATION DETECTION; PRIMER EXTENSION; GENOMIC DNA; OLIGONUCLEOTIDE; HYBRIDIZATION; AMPLIFICATION; MICROSPHERES; ASSAYS; POOLS AB We report a new approach for electrochemical quantification of single-nucleotide polymorphisms (SNPs) using nanoparticle probes. The principle is based on DNA polymerase I (Klenow fragment)-induced coupling of the nucleotide-modified nanoparticle probe to the mutant sites of duplex DNA under the Watson-Crick base pairing rule. After liquid hybridization events occurred among biotinylated DNA probes, mutant DNA, and complementary DNA, the resulting duplex DNA helixes were captured to the surface of magnetic beads through a biotin-avidin affinity reaction and magnetic separation. A cadmium phosphate-loaded apoferritin nanoparticle probe, which is modified with nucleotides and is complementary to the mutant site, is coupled to the mutant sites of the formed duplex DNA in the presence of DNA polymerase. Subsequent electrochemical stripping analysis of the cadmium component of coupled nanoparticle probes provides a means to quantify the concentration of mutant DNA. The method is sensitive enough to detect 21.5 attomol of mutant DNA, which will enable the quantitative analysis of nucleic acid without polymerase chain reaction preamplification. The approach was challenged with constructed samples containing mutant and complementary DNA. The results indicated that it was possible to accurately determine SNPs with frequencies as low 0.01. The proposed approach has a great potential for realizing an accurate, sensitive, rapid, and low-cost method of SNP detection. C1 Pacific NW Natl Lab, Richland, WA 99352 USA. RP Lin, YH (reprint author), Pacific NW Natl Lab, Richland, WA 99352 USA. EM yuehe.lin@pnl.gov RI Lin, Yuehe/D-9762-2011 OI Lin, Yuehe/0000-0003-3791-7587 NR 26 TC 86 Z9 87 U1 1 U2 24 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0002-7863 J9 J AM CHEM SOC JI J. Am. Chem. Soc. PD AUG 29 PY 2007 VL 129 IS 34 BP 10394 EP 10401 DI 10.1021/ja070429r PG 8 WC Chemistry, Multidisciplinary SC Chemistry GA 204HS UT WOS:000249035200034 PM 17676734 ER PT J AU Zhao, X Johnson, JK AF Zhao, Xiongce Johnson, J. Karl TI Simulation of adsorption of DNA on carbon nanotubes SO JOURNAL OF THE AMERICAN CHEMICAL SOCIETY LA English DT Article ID MOLECULAR-DYNAMICS SIMULATION; NUCLEIC-ACIDS; BIOMEDICAL APPLICATIONS; WATER; DELIVERY; FUNCTIONALIZATION; CHROMATOGRAPHY; BIOTECHNOLOGY; TRANSITION; SEPARATION AB We report molecular dynamics simulations of DNA adsorption on a single-walled carbon nanotube (SWNT) in an aqueous environment. We have modeled a DNA segment with 12 base pairs (Dickerson dodecamer) and a (8,8) SWNT in water, with counterions to maintain total charge neutrality. Simulations show that DNA binds to the external surface of an uncharged or positively charged SWNT on a time scale of a few hundred picoseconds. The hydrophobic end groups of DNA are attracted to the hydrophobic SWNT surface of uncharged SWNTs, while the hydrophilic backbone of DNA does not bind to the uncharged SWNT. The binding mode of DNA to charged SWNTs is qualitatively different from uncharged SWNTs. The phosphodiester groups of the DNA backbone are attracted to a positively charged SWNT surface while DNA does not adsorb on negatively charged SWNTs. There is no evidence for canonical double-stranded DNA wrapping around either charged or uncharged SWNTs on the very short time scales of the simulations. The adsorption process appears to have negligible effect on the internal stacking structure of the DNA molecule but significantly affects the A to B form conversion of A-DNA. The adsorption of A-DNA onto an uncharged SWNT inhibits the complete relaxation of A-DNA to B-DNA within the time scale of the simulations. In contrast, binding of the A-DNA onto a positively charged SWNT may promote slightly the A to B conversion. C1 Oak Ridge Natl Lab, Ctr Nanophase Mat Sci, Oak Ridge, TN 37831 USA. Univ Pittsburgh, Dept Chem Engn, Pittsburgh, PA 15261 USA. Natl Energy Technol Lab, Pittsburgh, PA 15236 USA. RP Johnson, JK (reprint author), Oak Ridge Natl Lab, Ctr Nanophase Mat Sci, Oak Ridge, TN 37831 USA. EM karlj@pitt.edu RI Johnson, Karl/E-9733-2013 OI Johnson, Karl/0000-0002-3608-8003 NR 72 TC 114 Z9 115 U1 1 U2 44 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0002-7863 J9 J AM CHEM SOC JI J. Am. Chem. Soc. PD AUG 29 PY 2007 VL 129 IS 34 BP 10438 EP 10445 DI 10.1021/ja071844m PG 8 WC Chemistry, Multidisciplinary SC Chemistry GA 204HS UT WOS:000249035200040 PM 17676840 ER PT J AU Subramanian, G Andrews, MJ AF Subramanian, Gopinath Andrews, Malcolm J. TI On SWNT reinforced composites from a continuous mixing process SO NANOTECHNOLOGY LA English DT Article ID CARBON NANOTUBES; CONDUCTIVITY; PERCOLATION; EQUIPMENT AB A new continuous impingement mixing process has been used to disperse unpurified single-walled carbon nanotubes (SWNTs) in a Shell EPON-862/EpiCURE system. Composites with up to 0.2 wt% loading of SWNTs were prepared by this process. The hydrodynamic dispersion of SWNTs was found to depend on the non-dimensional Curtet number (C-t). Dispersion was evaluated by analyzing SEM images of the fracture surface using an image processing technique based on the concept of Shannon entropy. Electrical conductivity of these composites was greatly enhanced when compared with the plain material. The behavior of electrical conductivity as a function of dispersion was found to be in accordance with results from the image processing technique, and was also used to estimate the sedimentation of SWNTs. C1 Los Alamos Natl Lab, Los Alamos, NM 87545 USA. Texas A&M Univ, Dept Engn Mech, TAMU 3123, College Stn, TX 77843 USA. RP Andrews, MJ (reprint author), Los Alamos Natl Lab, POB 1663,Mail Stop D 413, Los Alamos, NM 87545 USA. EM mandrews@lanl.gov RI Subramanian, Gopinath/F-1295-2010 NR 28 TC 0 Z9 0 U1 1 U2 3 PU IOP PUBLISHING LTD PI BRISTOL PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND SN 0957-4484 J9 NANOTECHNOLOGY JI Nanotechnology PD AUG 29 PY 2007 VL 18 IS 34 AR 345703 DI 10.1088/0957-4484/34/345703 PG 9 WC Nanoscience & Nanotechnology; Materials Science, Multidisciplinary; Physics, Applied SC Science & Technology - Other Topics; Materials Science; Physics GA 207VC UT WOS:000249278200026 ER PT J AU Kunzelman, KS Einstein, DR Cochran, RP AF Kunzelman, K. S. Einstein, D. R. Cochran, R. P. TI Fluid-structure interaction models of the mitral valve: function in normal and pathological states SO PHILOSOPHICAL TRANSACTIONS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES LA English DT Article DE mitral valve; FSI model; computer model; fluid flow ID TIME-FREQUENCY ANALYSIS; 1ST HEART-SOUND; BIAXIAL MECHANICAL-PROPERTIES; LEFT-VENTRICULAR WALL; FINITE-ELEMENT MODEL; CHORDAE TENDINEAE; PAPILLARY-MUSCLE; COMPUTATIONAL MODEL; ANTERIOR LEAFLET; CLOSURE SOUND AB Successful mitral valve repair is dependent upon a full understanding of normal and abnormal mitral valve anatomy and function. Computational analysis is one such method that can be applied to simulate mitral valve function in order to analyse the roles of individual components and evaluate proposed surgical repair. We developed the first three-dimensional finite element computer model of the mitral valve including leaflets and chordae tendineae; however, one critical aspect that has been missing until the last few years was the evaluation of fluid flow, as coupled to the function of the mitral valve structure. We present here our latest results for normal function and specific pathological changes using a fluid-structure interaction model. Normal valve function was first assessed, followed by pathological material changes in collagen fibre volume fraction, fibre stiffness, fibre splay and isotropic stiffness. Leaflet and chordal stress and strain and papillary muscle force were determined. In addition, transmitral flow, time to leaflet closure and heart valve sound were assessed. Model predictions in the normal state agreed well with a wide range of available in vivo and in vitro data. Further, pathological material changes that preserved the anisotropy of the valve leaflets were found to preserve valve function. By contrast, material changes that altered the anisotropy of the valve were found to profoundly alter valve function. The addition of blood flow and an experimentally driven microstructural description of mitral tissue represent significant advances in computational studies of the mitral valve, which allow further insight to be gained. This work is another building block in the foundation of a computational framework to aid in the refinement and development of a truly non-invasive diagnostic evaluation of the mitral valve. Ultimately, it represents the basis for simulation of surgical repair of pathological valves in a clinical and educational setting. C1 Cent Marine Med Ctr, Lewiston, ME 04210 USA. Pacific NW Natl Lab, Richland, WA 99352 USA. RP Kunzelman, KS (reprint author), Cent Marine Med Ctr, 60 High St, Lewiston, ME 04210 USA. EM kunzelka@cmhc.org NR 68 TC 76 Z9 79 U1 0 U2 6 PU ROYAL SOCIETY PI LONDON PA 6-9 CARLTON HOUSE TERRACE, LONDON SW1Y 5AG, ENGLAND SN 0962-8436 J9 PHILOS T R SOC B JI Philos. Trans. R. Soc. B-Biol. Sci. PD AUG 29 PY 2007 VL 362 IS 1484 BP 1393 EP 1406 DI 10.1098/rstb.2007.2123 PG 14 WC Biology SC Life Sciences & Biomedicine - Other Topics GA 194VX UT WOS:000248373000012 PM 17581809 ER PT J AU Ananth, N Venkataraman, C Miller, WH AF Ananth, Nandini Venkataraman, Charulatha Miller, William H. TI Semiclassical description of electronically nonadiabatic dynamics via the initial value representation SO JOURNAL OF CHEMICAL PHYSICS LA English DT Article ID MOLECULAR-DYNAMICS; QUANTUM COHERENCE; RATES AB The initial value representation (IVR) of semiclassical (SC) theory is used in conjunction with the Meyer-Miller/Stock-Thoss description of electronic degrees of freedom in order to treat electronically nonadiabatic processes. It is emphasized that the classical equations of motion for the nuclear and electronic degrees of freedom that emerge in this description are precisely the Ehrenfest equations of motion (the force on the nuclei is the force averaged over the electronic wave function) but that the trajectories given by these equations of motion do not have the usual shortcomings of the traditional Ehrenfest model when they are used within the SC-IVR framework. For example, in the traditional Ehrenfest model (a mixed quantum-classical approach) the nuclear motion emerges from a nonadiabatic encounter on an average potential energy surface (a weighted average according to the population in the various electronic states), while the SC-IVR describes the correct correlation between electronic and nuclear dynamics, i.e., the nuclear motion is on one potential energy surface or the other depending on the electronic state. Calculations using forward-backward versions of SC-IVR theory are presented to illustrate this behavior. An even more approximate version of the SC-IVR, the linearized approximation (LSC-IVR), is slightly better than the traditional Ehrenfest model, but since it cannot describe quantum coherence effects, the LSC-IVR is also not able to describe the correct correlation between nuclear and electronic dynamics.(C) 2007 American Institute of Physics. C1 Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA. Univ Calif Berkeley, Ctr Theoret Chem, Berkeley, CA 94720 USA. Lawrence Berkeley Natl Lab, Div Chem Sci, Berkeley, CA 94720 USA. RP Ananth, N (reprint author), Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA. NR 17 TC 45 Z9 45 U1 2 U2 8 PU AMER INST PHYSICS PI MELVILLE PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1, MELVILLE, NY 11747-4501 USA SN 0021-9606 J9 J CHEM PHYS JI J. Chem. Phys. PD AUG 28 PY 2007 VL 127 IS 8 AR 084114 DI 10.1063/1.2759932 PG 9 WC Chemistry, Physical; Physics, Atomic, Molecular & Chemical SC Chemistry; Physics GA 206AM UT WOS:000249156300016 PM 17764236 ER PT J AU Ginovska, B Camaioni, DM Dupuis, M AF Ginovska, Bojana Camaioni, Donald M. Dupuis, Michel TI Reaction pathways and excited states in H2O2+OH -> HO2+H2O: A new ab initio investigation SO JOURNAL OF CHEMICAL PHYSICS LA English DT Article ID DEGENERATE PERTURBATION-THEORY; HYDROGEN ABSTRACTION REACTION; QUANTUM-MECHANICAL APPROACH; COUPLED-CLUSTER METHODS; SELF-CONSISTENT-FIELD; HYDROXYL RADICALS; WATER MOLECULE; RATE CONSTANTS; OH; PEROXIDE AB The mechanism of the hydrogen abstraction reaction H2O2+OH -> HO2+H2O in gas phase was revisited using density functional theory and other highly correlated wave function theories. We located two pathways for the reaction, both going through the same intermediate complex OH-H2O2, but via two distinct transition state structures that differ by the orientation of the hydroxyl hydrogen relative to the incipient hydroperoxy hydrogen. The first two excited states were calculated for selected points on the pathways. An avoided crossing between the two excited states was found on the product side of the barrier to H transfer on the ground state surface, near the transition states. We report on the calculation of the rate of the reaction in the gas phase for temperatures in the range of 250-500 K. The findings suggest that the strong temperature dependence of the rate at high temperatures is due to reaction on the low-lying excited state surface over a barrier that is much larger than on the ground state surface. (c) 2007 American Institute of Physics. C1 Washington State Univ Tri Cities, Sch Elect Engn & Comp Sci, Richland, WA 99354 USA. Pacific NW Natl Lab, Div Chem & Mat Sci, Richland, WA 99352 USA. RP Ginovska, B (reprint author), Washington State Univ Tri Cities, Sch Elect Engn & Comp Sci, Richland, WA 99354 USA. NR 54 TC 11 Z9 11 U1 0 U2 12 PU AMER INST PHYSICS PI MELVILLE PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1, MELVILLE, NY 11747-4501 USA SN 0021-9606 J9 J CHEM PHYS JI J. Chem. Phys. PD AUG 28 PY 2007 VL 127 IS 8 AR 084309 DI 10.1063/1.2755765 PG 9 WC Chemistry, Physical; Physics, Atomic, Molecular & Chemical SC Chemistry; Physics GA 206AM UT WOS:000249156300030 PM 17764250 ER PT J AU Schneider, H Weber, JM Myshakin, EM Jordan, KD Bopp, J Herden, T Johnson, MA AF Schneider, Holger Weber, J. Mathias Myshakin, Evgeniy M. Jordan, Kenneth D. Bopp, Joseph Herden, Tobias Johnson, Mark A. TI Theoretical and infrared spectroscopic investigation of the O-2(-)center dot benzene and O-4(-)center dot benzene complexes SO JOURNAL OF CHEMICAL PHYSICS LA English DT Article ID GAUSSIAN-BASIS SETS; AB-INITIO; ENDOTHELIAL DYSFUNCTION; CLUSTERS; SPECTRA; O-4(-); HYDRATION; ANION; ION; PHOTODISSOCIATION AB The infrared spectra of the O-2(-)center dot benzene and O-4(-)center dot benzene complexes are determined by means of Ar predissociation spectroscopy. Several transitions due to CH stretch fundamentals and various combination bands are observed in the 2700-3100 cm(-1) region. The experimental results are interpreted with the aid of electronic structure calculations. A comparison of the calculated and experimental spectra reveals that the spectrum of O-2(-)center dot benzene most likely arises from an isomer where the superoxide molecule binds preferentially to one CH group of benzene. In contrast, the spectrum of O-4(-)center dot benzene yields a CH pattern remarkably similar to that displayed by the C-2 nu X-center dot benzene (X=halogen) complexes, consistent with a structure with two CH groups equally involved in the bonding. The lower energy vibrational fundamental transitions of the O-4(-) anion are recovered with a slight redshift in the O-4(-)center dot benzene spectrum, establishing that this charge-delocalized dimer ion retains its identity upon complexation. (c) 2007 American Institute of Physics. C1 Univ Colorado, Dept Chem & Biochem, NIST, JILA, Boulder, CO 80309 USA. US DOE, Natl Energy Technol Lab, Pittsburgh, PA 15219 USA. Univ Pittsburgh, Ctr Mol & Mat Simulat, Dept Chem, Pittsburgh, PA 15260 USA. Yale Univ, Sterling Chem Lab, New Haven, CT 06520 USA. RP Weber, JM (reprint author), Univ Colorado, Dept Chem & Biochem, NIST, JILA, Boulder, CO 80309 USA. EM weberjm@jila.colorado.edu RI Weber, J. Mathias/B-1618-2009 OI Weber, J. Mathias/0000-0002-5493-5886 NR 32 TC 9 Z9 9 U1 0 U2 9 PU AMER INST PHYSICS PI MELVILLE PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1, MELVILLE, NY 11747-4501 USA SN 0021-9606 J9 J CHEM PHYS JI J. Chem. Phys. PD AUG 28 PY 2007 VL 127 IS 8 AR 084319 DI 10.1063/1.2759929 PG 6 WC Chemistry, Physical; Physics, Atomic, Molecular & Chemical SC Chemistry; Physics GA 206AM UT WOS:000249156300040 PM 17764260 ER PT J AU Otto, A Lilie, P Dumas, P Hirschmugl, C Pilling, M Williams, GP AF Otto, A. Lilie, P. Dumas, P. Hirschmugl, C. Pilling, M. Williams, G. P. TI Anisotropic electric surface resistance of Cu(110) SO NEW JOURNAL OF PHYSICS LA English DT Article ID PHOTOELECTRON DIFFRACTION; CONDUCTION ELECTRONS; ADSORBED LAYERS; SPECTROSCOPY; CO; RESISTIVITY; C2H4; PHOTOEMISSION; FRICTION; ETHYLENE AB The electric surface resistance is measured without contacts by grazing incidence of p-polarized infrared (IR) radiation for the adsorbates CO and C2H4, which settle on top of the close packed atomic ridges of Cu( 110) in the 1,- 1, 0 direction. Surface resistance has only been observed for the IR electric currents in this direction. This can be explained by the assumption that IR induced currents in the 001 direction can only flow in the second and deeper layers of Cu(110). Therefore, in this direction, there is no friction with the adsorbates and hence no surface resistance. C1 Synchrotron SOLEIL,L Orme Merisiers, Yvette Cedex, France. Univ Wisconsin, Dept Phys, Milwaukee, WI 53211 USA. Christopher Newport Univ, Free Elect Laser Fac, Jefferson Lab, Newport News, VA 23606 USA. RP Otto, A (reprint author), Univ Dusseldorf, Inst Phys kondensierte Materie, D-4000 Dusseldorf, Germany. EM otto@uni-duesseldorf.de NR 27 TC 2 Z9 2 U1 0 U2 5 PU IOP PUBLISHING LTD PI BRISTOL PA DIRAC HOUSE, TEMPLE BACK, BRISTOL BS1 6BE, ENGLAND SN 1367-2630 J9 NEW J PHYS JI New J. Phys. PD AUG 28 PY 2007 VL 9 AR 288 DI 10.1088/1367-2630/9/8/288 PG 8 WC Physics, Multidisciplinary SC Physics GA 205KO UT WOS:000249112600003 ER PT J AU Cheng, W Dumont, S Tinoco, I Bustamante, C AF Cheng, Wei Dumont, Sophie Tinoco, Ignacio, Jr. Bustamante, Carlos TI NS3 helicase actively separates RNA strands and senses sequence barriers ahead of the opening fork SO PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA LA English DT Article DE hairpin; molecular motors; optical tweezers; processivity ID HCVNS3 HELICASE; NUCLEIC-ACIDS; DNA; MECHANISM; TRANSLOCATION; KINETICS; MOTOR; MOLECULES; ATP AB RNA helicases regulate virtually all RNA-dependent cellular processes. Although much is known about helicase structures, very little is known about how they deal with barriers in RNA and the factors that affect their processivity. The hepatitis C virus encodes NS3, an RNA helicase that is essential for viral RNA replication. We have used optical tweezers to determine at the single-molecule level how the local stability of the RNA substrate affects the enzyme rate of strand separation, whether separation occurs by an active or a passive mechanism, and whether processivity is affected. We show that sequence barriers in RNA modulate NS3 activity. NS3 processivity depends on barriers ahead of the opening fork. Our results rule out a model where NS3 passively waits for the thermal fraying of double-stranded RNA. Instead, we find that NS3 destabilizes the duplex before separating the strands. Failure to do so before a strong barrier leads to helicase dissociation and limits the processivity of the enzyme. C1 Univ Calif Berkeley, QB3 Inst, Berkeley, CA 94720 USA. Univ Calif Berkeley, Biophys Grad Grp, Berkeley, CA 94720 USA. Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA. Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA. Univ Calif Berkeley, Howard Hughes Med Inst, Berkeley, CA 94720 USA. Univ Calif Berkeley, Lawrence Berkeley Lab, Phys Biosci Div, Berkeley, CA 94720 USA. RP Bustamante, C (reprint author), Univ Calif Berkeley, QB3 Inst, Berkeley, CA 94720 USA. EM carlos@alice.berkeley.edu NR 30 TC 64 Z9 67 U1 1 U2 5 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 AUG 28 PY 2007 VL 104 IS 35 BP 13954 EP 13959 DI 10.1073/pnas.0702315104 PG 6 WC Multidisciplinary Sciences SC Science & Technology - Other Topics GA 206ML UT WOS:000249187500020 PM 17709749 ER PT J AU Finzi, AC Norby, RJ Calfapietra, C Gallet-Budynek, A Gielen, B Holmes, WE Hoosbeek, MR Iversen, CM Jackson, RB Kubiske, ME Ledford, J Liberloo, M Oren, R Polle, A Pritchard, S Zak, DR Schlesinger, WH Ceulemans, R AF Finzi, Adrien C. Norby, Richard J. Calfapietra, Carlo Gallet-Budynek, Anne Gielen, Birgit Holmes, William E. Hoosbeek, Marcel R. Iversen, Colleen M. Jackson, Robert B. Kubiske, Mark E. Ledford, Joanne Liberloo, Marion Oren, Ram Polle, Andrea Pritchard, Seth Zak, Donald R. Schlesinger, William H. Ceulemans, Reinhart TI Increases in nitrogen uptake rather than nitrogen-use efficiency support higher rates of temperate forest productivity under elevated CO2 SO PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA LA English DT Article DE global change; net primary production ID ATMOSPHERIC CARBON-DIOXIDE; ROTATION POPLAR PLANTATION; FINE-ROOT PRODUCTION; SOIL-N AVAILABILITY; ENRICHMENT FACE; POPULUS-TREMULOIDES; DECIDUOUS FOREST; ORGANIC NITROGEN; COMMUNITY COMPOSITION; ECOSYSTEM RESPONSES AB Forest ecosystems are important sinks for rising concentrations of atmospheric CO2. In previous research, we showed that net primary production (NPP) increased by 23 +/- 2% when four experimental forests were grown under atmospheric concentrations of CO2 predicted for the latter half of this century. Because nitrogen (N) availability commonly limits forest productivity, some combination of increased N uptake from the soil and more efficient use of the N already assimilated by trees is necessary to sustain the high rates of forest NPP under free-air CO2 enrichment (FACE). In this study, experimental evidence demonstrates that the uptake of N increased under elevated CO2 at the Rhinelander, Duke, and Oak Ridge National Laboratory FACE sites, yet fertilization studies at the Duke and Oak Ridge National Laboratory FACE sites showed that tree growth and forest NPP were strongly limited by N availability. By contrast, nitrogen-use efficiency increased under elevated CO2 at the POP-EUROFACE site, where fertilization studies showed that N was not limiting to tree growth. Some combination of increasing fine root production, increased rates of soil organic matter decomposition, and increased allocation of carbon (C) to mycorrhizal fungi is likely to account for greater N uptake under elevated CO2. Regardless of the specific mechanism, this analysis shows that the larger quantities of C entering the below-ground system under elevated CO2 result in greater N uptake, even in N-limited ecosystems. Biogeochemical models must be reformulated to allow C transfers below ground that result in additional N uptake under elevated CO2. C1 Boston Univ, Dept Biol, Boston, MA 02215 USA. Oak Ridge Natl Lab, Div Environm Sci, Oak Ridge, TN 37831 USA. Univ Tuscia, Dept Forest Environm & Rescources, I-01100 Viterbo, Italy. Univ Antwerp VIB, Dept Biol, Res Grp Plant & Vegetat Ecol, B-2610 Antwerp, Belgium. Univ Michigan, Dept Ecol & Evolutionary Biol, Ann Arbor, MI 48109 USA. Univ Wageningen, Dept Environm Sci, NL-6700AA Wageningen, Netherlands. Univ Tennessee, Dept Ecol & Evolut Biol, Knoxville, TN 37996 USA. Duke Univ, Sch Environm & Earth Sci, Durham, NC 27708 USA. USDA Forest Serv, N Cent Res Stn, Rhinelander, WI 54501 USA. Univ Gottingen, Inst Forest Bot, D-37077 Gottingen, Germany. Coll Charleston, Dept Biol, Charleston, SC 29424 USA. RP Schlesinger, WH (reprint author), Boston Univ, Dept Biol, 5 Cummington St, Boston, MA 02215 USA. EM schlesingerw@ecostudies.org RI Zak, Donald/C-6004-2012; Norby, Richard/C-1773-2012; Iversen, Colleen/B-8983-2012; Calfapietra, Carlo/E-2269-2015; Finzi, Adrien/A-7017-2016; Ceulemans, Reinhart/F-2109-2016 OI Norby, Richard/0000-0002-0238-9828; Finzi, Adrien/0000-0003-2220-4533; NR 87 TC 196 Z9 200 U1 12 U2 136 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 AUG 28 PY 2007 VL 104 IS 35 BP 14014 EP 14019 DI 10.1073/pnas.0706518104 PG 6 WC Multidisciplinary Sciences SC Science & Technology - Other Topics GA 206ML UT WOS:000249187500030 PM 17709743 ER PT J AU Anders, A Yushkov, GY AF Anders, Andre Yushkov, Georgy Yu. TI Puzzling differences in bismuth and lead plasmas: Evidence for the significant role of neutrals in cathodic vacuum arcs SO APPLIED PHYSICS LETTERS LA English DT Article ID CHARGE-STATE DISTRIBUTIONS; SPOTS AB Time-dependent ion charge state measurements for Pb and Bi cathodic arc plasmas revealed unexpected differences: the mean Bi ion charge state dropped much stronger and with a longer time constant. It is shown that the differences in thermal conductivity and vapor pressure led to much higher neutral density for Bi, which in turn can cause charge exchange collisions. The results have implications beyond Pb and Bi plasmas: most importantly, they imply that the "true" ion charge states, as emitted from the cathode spots, are higher than what is generally measured and published. (c) 2007 American Institute of Physics. C1 Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA. Russian Acad Sci, Inst High Current Elect, Tomsk 634055, Russia. RP Anders, A (reprint author), Univ Calif Berkeley, Lawrence Berkeley Natl Lab, 1 Cyclotron Rd, Berkeley, CA 94720 USA. EM aanders@lbl.gov RI Anders, Andre/B-8580-2009; Yushkov, Georgy/O-8024-2015 OI Anders, Andre/0000-0002-5313-6505; Yushkov, Georgy/0000-0002-7615-6058 NR 20 TC 17 Z9 17 U1 0 U2 3 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 AUG 27 PY 2007 VL 91 IS 9 AR 091502 DI 10.1063/1.2776858 PG 3 WC Physics, Applied SC Physics GA 206AK UT WOS:000249156100021 ER PT J AU Da Silva, JLF Wei, SH Zhou, J Wu, XZ AF Da Silva, Juarez L. F. Wei, Su-Huai Zhou, Jie Wu, Xuanzhi TI Stability and electronic structures of CuxTe SO APPLIED PHYSICS LETTERS LA English DT Article ID AUGMENTED-WAVE METHOD; II-VI; PHASE-TRANSITIONS; SOLAR-CELLS; SYSTEM; TELLURIDES; ENERGY; FILM AB In this work, the authors study the stability and electronic properties of CuxTe as a function of the Cu/Te ratio using first-principles calculations. They find that CuxTe shows bistability with energy minimum at x approximate to 1.25 and x approximate to 1.75. At low x, CuxTe is more stable in the tetragonal-based structures, whereas for x > 1.47, it is more stable in the trigonal-based structures. The valence-band maximum of Cu2Te is found to be 0.7 eV higher than that of CdTe, indicating that it can easily be doped p type. The Cu diffusion barriers and hole density decrease with increasing Cu concentration, indicating that for x similar to 2, ionic conductivity may play a role. (c) 2007 American Institute of Physics. C1 Natl Renewable Energy Lab, Golden, CO 80401 USA. RP Da Silva, JLF (reprint author), Natl Renewable Energy Lab, 1617 Cole Blvd, Golden, CO 80401 USA. EM juarez_dasilva@nrel.gov RI Da Silva, Juarez L. F./B-5961-2008; Da Silva, Juarez L. F./D-1779-2011 OI Da Silva, Juarez L. F./0000-0003-0645-8760 NR 27 TC 20 Z9 20 U1 6 U2 47 PU AMER INST PHYSICS PI MELVILLE PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1, MELVILLE, NY 11747-4501 USA SN 0003-6951 J9 APPL PHYS LETT JI Appl. Phys. Lett. PD AUG 27 PY 2007 VL 91 IS 9 AR 091902 DI 10.1063/1.2775835 PG 3 WC Physics, Applied SC Physics GA 206AK UT WOS:000249156100025 ER PT J AU Jiang, W Nachimuthu, P Weber, WJ Ginzbursky, L AF Jiang, W. Nachimuthu, P. Weber, W. J. Ginzbursky, L. TI Variation in lattice parameters of 6H-SiC irradiated to extremely low doses SO APPLIED PHYSICS LETTERS LA English DT Article ID SILICON-CARBIDE AB Irradiation of 6H-SiC single crystals was performed using 4 MeV H+ ions at 340 and 210 K. The changes in lattice parameters in the basal plane and along the c axes were measured as a function of dose using high-resolution x-ray diffraction. The c-axis lattice parameter increases monotonically with the increasing dose, while a-axis lattice parameter decreases at extremely low doses. An initial volumetric contraction of the unit cell is observed. The decrease in the a parameter may originate from the irradiation-induced vacancies and the possible formation of antisite defects that cause the lattice structure on the basal plane to shrink.(c) 2007 American Institute of Physics. C1 Pacific NW Natl Lab, Richland, WA 99352 USA. LG Tech Link, Chandler, AZ 85225 USA. RP Jiang, W (reprint author), Pacific NW Natl Lab, Richland, WA 99352 USA. EM weilinjiang@pnl.gov RI Weber, William/A-4177-2008; OI Weber, William/0000-0002-9017-7365; Jiang, Weilin/0000-0001-8302-8313 NR 16 TC 12 Z9 12 U1 0 U2 3 PU AMER INST PHYSICS PI MELVILLE PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1, MELVILLE, NY 11747-4501 USA SN 0003-6951 J9 APPL PHYS LETT JI Appl. Phys. Lett. PD AUG 27 PY 2007 VL 91 IS 9 AR 091918 DI 10.1063/1.2778630 PG 3 WC Physics, Applied SC Physics GA 206AK UT WOS:000249156100041 ER PT J AU Liu, D Fina, M Chen, ZY Chen, XB Liu, G Johnson, S Mao, SS AF Liu, Deang Fina, Michael Chen, Zhaoyang Chen, Xiaobo Liu, Gao Johnson, Steven Mao, Samuel S. TI Organic light-emitting diodes with structured cathode SO APPLIED PHYSICS LETTERS LA English DT Article ID EMISSION AB Organic light-emitting diode (OLED) devices were fabricated with a structured polymer-cathode interface. The devices have a layered structure indium tin oxide/poly(3,4-ethylenedioxythiophene): poly(styrene sulfonate)/poly(2-methoxy-5-[(2'-ethylhexyl)oxy]-p-phenylenevinylene)/Al. The light-emitting polymer layers were patterned via a stamp imprinting process, followed by vapor deposition of the cathode. Devices employing the structured cathode showed improved electron injection and increased brightness when compared to conventional flat cathode devices. Electrostatic modeling of the structured cathode geometry revealed localized increase in electric field leading to enhanced electron tunneling through the polymer-cathode interface. Thus, improved OLED performance was demonstrated from cathode microstructuring. (c) 2007 American Institute of Physics. C1 Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA. RP Mao, SS (reprint author), Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA. EM ssmao@lbl.gov NR 9 TC 18 Z9 18 U1 0 U2 11 PU AMER INST PHYSICS PI MELVILLE PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1, MELVILLE, NY 11747-4501 USA SN 0003-6951 J9 APPL PHYS LETT JI Appl. Phys. Lett. PD AUG 27 PY 2007 VL 91 IS 9 AR 093514 DI 10.1063/1.2776018 PG 3 WC Physics, Applied SC Physics GA 206AK UT WOS:000249156100139 ER PT J AU Ma, ZX Yu, KM Liu, L Wang, L Perry, DL Walukiewicz, W Yu, P Maoa, SS AF Ma, Zhixun Yu, Kin Man Liu, Lei Wang, Lan Perry, Dale L. Walukiewicz, Wladek Yu, Peter Maoa, Samuel S. TI Copper-doped CdTe films with improved hole mobility SO APPLIED PHYSICS LETTERS LA English DT Article ID MOLECULAR-BEAM EPITAXY; PULSED-LASER DEPOSITION; SEMICONDUCTOR RADIATION DETECTORS; THIN-FILMS; COMPOUND SEMICONDUCTORS; GROWTH; GAAS; INTERFACES; DEVICES; CU AB Copper-doped CdTe films have been grown by the laser epitaxy approach. X-ray diffraction, Rutherford backscattering, and photoreflectance spectroscopy were utilized to characterize the CdTe:Cu films. Structural analysis suggests that the growth of CdTe:Cu on GaAs(100) is initiated along the (100) orientation, which changes to the (111) direction after the film thickness exceeds 400 nm. Hall effect measurements indicate that copper doping can achieve hole mobility over 150 cm(2)/V s at room temperature. C1 Lawrence Berkeley Lab, Berkeley, CA 94720 USA. Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA. RP Ma, ZX (reprint author), Lawrence Berkeley Lab, Berkeley, CA 94720 USA. EM ssmao@lbl.gov RI Schaff, William/B-5839-2009; Yu, Kin Man/J-1399-2012 OI Yu, Kin Man/0000-0003-1350-9642 NR 24 TC 2 Z9 2 U1 0 U2 5 PU AMER INST PHYSICS PI MELVILLE PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1, MELVILLE, NY 11747-4501 USA SN 0003-6951 J9 APPL PHYS LETT JI Appl. Phys. Lett. PD AUG 27 PY 2007 VL 91 IS 9 AR 092113 DI 10.1063/1.2778455 PG 3 WC Physics, Applied SC Physics GA 206AK UT WOS:000249156100060 ER PT J AU Rodriguez, BJ Jesse, S Seal, K Baddorf, AP Kalinin, SV Rack, PD AF Rodriguez, B. J. Jesse, S. Seal, K. Baddorf, A. P. Kalinin, S. V. Rack, P. D. TI Fabrication, dynamics, and electrical properties of insulated scanning probe microscopy probes for electrical and electromechanical imaging in liquids SO APPLIED PHYSICS LETTERS LA English DT Article ID ATOMIC-FORCE MICROSCOPE; OUTER HAIR CELL; INDUCED DEPOSITION; CANTILEVERS; ELECTROMOTILITY; VIBRATIONS AB Insulated cantilever probes with a high aspect ratio conducting apex have been fabricated and their dynamic and electrical properties analyzed. The cantilevers were coated with silicon dioxide and a via was fabricated through the oxide at the tip apex and backfilled with tungsten to create an insulated probe with a conducting tip. The stiffness and Q factor of the cantilevers increased after the modifications and their resonances shifted to higher frequencies. The coupling strength between the cantilever and the coating are determined. Electromechanical imaging of ferroelectric domains, current voltage probing of a gold surface, and a probe apex repair process are demonstrated. C1 Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA. Univ Tennessee, Dept Mat Sci & Engn, Knoxville, TN 37996 USA. RP Kalinin, SV (reprint author), Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA. EM sergei2@ornl.gov; prack@utk.edu RI Kalinin, Sergei/I-9096-2012; Rodriguez, Brian/A-6253-2009; Jesse, Stephen/D-3975-2016; Baddorf, Arthur/I-1308-2016; OI Kalinin, Sergei/0000-0001-5354-6152; Rodriguez, Brian/0000-0001-9419-2717; Jesse, Stephen/0000-0002-1168-8483; Baddorf, Arthur/0000-0001-7023-2382; Rack, Philip/0000-0002-9964-3254 NR 18 TC 15 Z9 15 U1 0 U2 1 PU AMER INST PHYSICS PI MELVILLE PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1, MELVILLE, NY 11747-4501 USA SN 0003-6951 J9 APPL PHYS LETT JI Appl. Phys. Lett. PD AUG 27 PY 2007 VL 91 IS 9 AR 093130 DI 10.1063/1.2778762 PG 3 WC Physics, Applied SC Physics GA 206AK UT WOS:000249156100122 ER PT J AU Zhang, YW Milbrath, BD Weber, WJ Elfman, M Whitlow, HJ AF Zhang, Yanwen Milbrath, Brian D. Weber, William J. Elfman, Mikael Whitlow, Harry J. TI Radiation detector resolution over a continuous energy range SO APPLIED PHYSICS LETTERS LA English DT Article ID SILICON; IONS; RBS AB An ion approach is demonstrated to determine energy resolution in both semiconductor detectors and scintillators over a continuous energy range. For semiconductors, the energy resolution of a silicon detector was measured as a function of helium ion energy, and the values from extrapolation to high energies are in good agreement with the literature data from alpha measurements. For scintillators, benchmark crystals subject to He+ irradiation were investigated, and the agreement of energy resolution between the ion and gamma measurements indicates that the ion approach can be used to predict the energy resolution of the candidate materials in thin-film form or small crystals when large crystals necessary for gamma-ray measurements are unavailable. (c) 2007 American Institute of Physics. C1 Pacific NW Natl Lab, Richland, WA 99352 USA. Lund Inst Technol, Dept Phys Nucl, S-22100 Lund, Sweden. Univ Jyvaskyla, Dept Phys, FIN-40014 Jyvaskyla, Finland. RP Zhang, YW (reprint author), Pacific NW Natl Lab, POB 999, Richland, WA 99352 USA. EM yanwen.zhang@pnl.gov RI Weber, William/A-4177-2008 OI Weber, William/0000-0002-9017-7365 NR 19 TC 11 Z9 11 U1 0 U2 3 PU AMER INST PHYSICS PI MELVILLE PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1, MELVILLE, NY 11747-4501 USA SN 0003-6951 J9 APPL PHYS LETT JI Appl. Phys. Lett. PD AUG 27 PY 2007 VL 91 IS 9 AR 094105 DI 10.1063/1.2776978 PG 3 WC Physics, Applied SC Physics GA 206AK UT WOS:000249156100151 ER PT J AU Chang, C Ng, CY Stimson, S Evans, M Hsu, CW AF Chang, Chao Ng, Cheuk-Yiu Stimson, S. Evans, M. Hsu, C. W. TI Rotationally resolved vacuum ultraviolet pulsed field ionization-photoelectron vibrational bands for H-2(+) (X-2 Sigma(+)(g), upsilon(+)=0-18) SO CHINESE JOURNAL OF CHEMICAL PHYSICS LA English DT Article DE H-2; rotationally resolved; vacuum ultraviolet; pulsed field ionization; photoelectron; buckingham-orr-sichel; spectrum simulation ID HYDROGEN MOLECULAR ION; HIGH-RESOLUTION; SYNCHROTRON-RADIATION; DIATOMIC-MOLECULES; ANGULAR-DISTRIBUTION; SPECTROSCOPY; PHOTOIONIZATION; HD; SPECTRUM; INTENSITY AB We have obtained a rotationally resolved vacuum ultraviolet pulsed field ionization-photoelectron (VUV-PFI-PE) spectrum of H-2 in the energy range of 15.30-18.09 eV, covering the ionization transitions H-2(+)(X-2 Sigma(+)(g) g upsilon(+)=0-18, N+=0-5)<- H-2(X-1 Sigma(+)(g), upsilon ''=0, J ''=0-4). The assignment of the rotational transitions resolved in the VUV-PFI-PE vibrational bands for H-2(+)(X-2 Sigma(+)(g), upsilon(+)=0-18) and their simulation using the Buckingham-Orr-Sichel (BOS) model are presented. Only the Delta N=N+-J"=0 and +/- 2 rotational branches are observed in the VUV-PFI-PE spectrum of H-2. However, the vibrational band is increasingly dominated by the Delta N=0 rotational branch as upsilon(+) is increased. The BOS simulation reveals that the perturbation of VUV-PFI-PE rotational line intensities by near-resonance autoionizing Rydberg states is minor at upsilon(+)>= 6 and decreases as upsilon(+) is increased. Thus, the rotationally resolved PFI-PE bands for H-2(+)(upsilon(+)>= 6) presented here provide reliable estimates of state-to-state cross sections for direct photoionization of H-2, while the rotationally resolved PFI-PE bands for H-2(+) (upsilon(+)<= 5) are useful data for fundamental understanding of the near resonance autoionizing mechanism. On the basis of the rovibrational assignment of the VUV-PFI-PE spectrum of H-2. the ionization energies for the formation of H-2(+) (X-2 Sigma(+)(g), upsilon(+) = 0-18, N+ =0-5) from H-2(+) (X-1 Sigma(+)(g), upsilon ''=0, g, 9 J ''=0-4), the vibrational constants (w(e); w(e)chi(e), w(e)y(e) and w(e)z(e)), the rotational constants (B-upsilon+, D-upsilon+, B-e, and alpha(e)), and the vibrational energy spacings Delta G(upsilon(+)+1/2) for H-2(+)(X-2 Sigma(+)(g), upsilon(+)=0-18) are determined. With 9 a significantly higher photoelectron energy resolution achieved in the present study, the precisions of these spectroscopic values are higher than those obtained in the previous photoelectron studies. As expected, the spectroscopic results for H-2(+)(X-2 Sigma(+)(g), upsilon(+)=0-18) derived from this VUV-PFI-PE study are in excellent 9 agreement with high-level theoretical predictions. C1 Univ Calif Davis, Dept Chem, Davis, CA 95616 USA. Iowa State Univ, Dept Chem, Ames, IA 50011 USA. US DOE, Ames Lab, Ames, IA 50011 USA. RP Ng, CY (reprint author), Univ Calif Davis, Dept Chem, Davis, CA 95616 USA. EM cyng@chem.ucdavis.edu NR 37 TC 4 Z9 5 U1 1 U2 3 PU SCIENCE CHINA PRESS PI BEIJING PA 16 DONGHUANGCHENGGEN NORTH ST, BEIJING 100717, PEOPLES R CHINA SN 1003-7713 J9 CHINESE J CHEM PHYS JI Chin. J. Chem. Phys. PD AUG 27 PY 2007 VL 20 IS 4 BP 352 EP 364 DI 10.1088/1674-0068/20/04/352-364 PG 13 WC Physics, Atomic, Molecular & Chemical SC Physics GA 210OI UT WOS:000249465100005 ER PT J AU Hay, PJ AF Hay, P. Jeffrey TI Density functional theory investigations of the forbidden double insertion of diazomethane into Zr-C bonds of Cp2Zr(CH3)(2) SO ORGANOMETALLICS LA English DT Article ID METAL-ALKYL BOND; COMPLEXES; CARBON; CHEMISTRY; ETA-2-ACYL; ACTIVATION; LIGANDS AB The potential energy surfaces involved in the insertion of diazomethane species R2CN2 (R = H, Ph) into the Zr-CH3 bonds of Cp2Zr(CH3)(2) are examined using density functional methods. The first insertion leads to the experimentally observed mono-hydrazonato complex Cp2Zr(CH3)(CH3-N-NCPh2), for which the reaction energy is calculated to be -37 kcal/mol. Insertion of a second diazomethane molecule into the remaining Zr-Me bond leads to the bis-hydrazonato complex Cp2Zr(CH3-N-NCPh2)(2), which is calculated to be a stable species with an overall reaction exothermicity of -27 kcal/mol. While the first insertion proceeds with a small activation barrier (2-7 kcal/mol), a more substantial activation barrier (25 kcal/mol) is found for the second insertion, but not sufficiently large to preclude formation of the bis-hydrazonato complex. This formally 20-valence-electron species is hence predicted to be a target for synthesis. The bonding in the bis-hydrazonato complexes shows significant Zr 4d admixture in the MOs involving the four sigma donors from the nitrogen ligands. Stabilization strategies for the complexes by varying ligand electronegativity are investigated. C1 Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA. RP Hay, PJ (reprint author), Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA. EM pjhay@lanl.gov NR 22 TC 6 Z9 6 U1 0 U2 1 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0276-7333 J9 ORGANOMETALLICS JI Organometallics PD AUG 27 PY 2007 VL 26 IS 18 BP 4424 EP 4431 DI 10.1021/om070107w PG 8 WC Chemistry, Inorganic & Nuclear; Chemistry, Organic SC Chemistry GA 201XJ UT WOS:000248865600013 ER PT J AU von Laszewski, G DiCarlo, J Allcock, B AF von Laszewski, Gregor DiCarlo, Jonathan Allcock, Bill TI A portal for visualizing grid usage SO CONCURRENCY AND COMPUTATION-PRACTICE & EXPERIENCE LA English DT Article; Proceedings Paper CT Workshop on Grid Computing Portals CY 2005 CL Seattle, WA DE grid monitoring; grid usage; Java CoG kit AB We introduce a framework for measuring the use of Grid services and exposing simple summary data to an authorized set of Grid users through a JSR168-enabled portal. The sensor framework has been integrated into the Globus Toolkit and allows Grid administrators to have access to a mechanism helping with report and usage statistics. Although the original focus was the reporting of actions in relationship to GridFTP services, the usage service has been expanded to report also on the use of other Grid services. Copyright (c) 2007 John Wiley & Sons, Ltd. C1 Argonne Natl Lab, Div Math & Comp Sci, Argonne, IL 60439 USA. Univ Chicago, Computat Inst, Chicago, IL 60637 USA. RP von Laszewski, G (reprint author), Argonne Natl Lab, Div Math & Comp Sci, 9700 S Cass Ave, Argonne, IL 60439 USA. EM gregor@mcs.anl.gov RI von Laszewski, Gregor/C-2808-2012 OI von Laszewski, Gregor/0000-0001-9558-179X NR 8 TC 1 Z9 1 U1 0 U2 0 PU JOHN WILEY & SONS LTD PI CHICHESTER PA THE ATRIUM, SOUTHERN GATE, CHICHESTER PO19 8SQ, W SUSSEX, ENGLAND SN 1532-0626 J9 CONCURR COMP-PRACT E JI Concurr. Comput.-Pract. Exp. PD AUG 25 PY 2007 VL 19 IS 12 BP 1683 EP 1692 DI 10.1002/cpe.1137 PG 10 WC Computer Science, Software Engineering; Computer Science, Theory & Methods SC Computer Science GA 208GM UT WOS:000249307800012 ER PT J AU Schuchardt, K Pancerella, C Rahn, LA Didier, B Kodeboyina, D Leahy, D Myers, JD Oluwole, OO Pitz, W Ruscic, B Song, J von Laszewski, G Yang, C AF Schuchardt, Karen Pancerella, Carmen Rahn, Larry A. Didier, Brett Kodeboyina, Deepti Leahy, David Myers, James D. Oluwole, Oluwayemisi O. Pitz, William Ruscic, Branko Song, Jing von Laszewski, Gregor Yang, Christine TI Portal-based knowledge environment for collaborative science SO CONCURRENCY AND COMPUTATION-PRACTICE & EXPERIENCE LA English DT Article; Proceedings Paper CT Workshop on Grid Computing Portals CY 2005 CL Seattle, WA DE knowledge environment; portal; informatics; collaboratory ID ACTIVE THERMOCHEMICAL TABLES AB The Knowledge Environment for Collaborative Science (KnECS) is an open-source informatics toolkit designed to enable knowledge Grids that interconnect science communities, unique facilities, data, and tools. KnECS features a Web portal with team and data collaboration tools, lightweight federation of data, provenance tracking, and multi-level support for application integration. We identify the capabilities of KnECS and discuss extensions from the Collaboratory for Multi-Scale Chemical Sciences (CMCS) which enable diverse combustion science communities to create and share verified, documented data sets and reference data, thereby demonstrating new methods of community interaction and data interoperability required by systems science approaches. Finally, we summarize the challenges we encountered and foresee for knowledge environments. Copyright (c) 2007 John Wiley & Sons, Ltd. C1 Pacific NW Natl Lab, Richland, WA 99352 USA. Sandia Natl Labs, Livermore, CA 94551 USA. Argonne Natl Lab, Argonne, IL 60439 USA. Stanford Univ, Stanford, CA 94305 USA. Natl Ctr Supercomp Applicat, Urbana, IL 61801 USA. MIT, Cambridge, MA 02139 USA. Lawrence Livermore Natl Lab, Livermore, CA 94551 USA. RP Schuchardt, K (reprint author), Pacific NW Natl Lab, POB 999,K7-90, Richland, WA 99352 USA. EM karen.schuchardt@pnl.gov RI von Laszewski, Gregor/C-2808-2012; Ruscic, Branko/A-8716-2008; OI von Laszewski, Gregor/0000-0001-9558-179X; Ruscic, Branko/0000-0002-4372-6990; Rahn, Larry/0000-0002-4793-1158; Myers, James/0000-0001-8462-650X NR 28 TC 6 Z9 6 U1 0 U2 4 PU JOHN WILEY & SONS LTD PI CHICHESTER PA THE ATRIUM, SOUTHERN GATE, CHICHESTER PO19 8SQ, W SUSSEX, ENGLAND SN 1532-0626 J9 CONCURR COMP-PRACT E JI Concurr. Comput.-Pract. Exp. PD AUG 25 PY 2007 VL 19 IS 12 BP 1703 EP 1716 DI 10.1002/cpe.1201 PG 14 WC Computer Science, Software Engineering; Computer Science, Theory & Methods SC Computer Science GA 208GM UT WOS:000249307800014 ER PT J AU Kuritsyn, A Ji, H Gerhardt, SP Ren, Y Yamada, M AF Kuritsyn, A. Ji, H. Gerhardt, S. P. Ren, Y. Yamada, M. TI Effects of global boundary and local collisionality on magnetic reconnection in a laboratory plasma SO GEOPHYSICAL RESEARCH LETTERS LA English DT Article ID RESISTIVITY AB The magnetic reconnection process is studied in a wide range of operating conditions in the well-controlled Magnetic Reconnection Experiment. The reconnection rate is observed to be a function of both global ( system size) and local ( collisionality) plasma parameters. When only local collisionality is lowered, the current sheet is shortened while effective resistivity is enhanced, both accelerating reconnection rates. At a fixed collisionality, the current sheet length increases with system size, resulting in the reduction of the reconnection rate. These results quantitatively agree with a generalized Sweet-Parker analysis. C1 Princeton Plasma Phys Lab, Ctr Magnet Self Org Lab Astrophys Plasmas, Princeton, NJ 08543 USA. Univ Wisconsin, Dept Phys, Ctr Magnet Self Org Lab Astrophys Plasmas, Madison, WI 53706 USA. RP Kuritsyn, A (reprint author), Princeton Plasma Phys Lab, Ctr Magnet Self Org Lab Astrophys Plasmas, POB 451, Princeton, NJ 08543 USA. EM hji@pppl.gov RI Yamada, Masaaki/D-7824-2015 OI Yamada, Masaaki/0000-0003-4996-1649 NR 25 TC 12 Z9 13 U1 0 U2 0 PU AMER GEOPHYSICAL UNION PI WASHINGTON PA 2000 FLORIDA AVE NW, WASHINGTON, DC 20009 USA SN 0094-8276 J9 GEOPHYS RES LETT JI Geophys. Res. Lett. PD AUG 25 PY 2007 VL 34 IS 16 AR L16106 DI 10.1029/2007GL030796 PG 5 WC Geosciences, Multidisciplinary SC Geology GA 204FD UT WOS:000249028200007 ER PT J AU Sun, PL Cerreta, EK Bingert, JF Gray, GT Hundley, MF AF Sun, P. L. Cerreta, E. K. Bingert, J. F. Gray, G. T., III Hundley, M. F. TI Enhanced tensile ductility through boundary structure engineering in ultrafine-grained aluminum SO MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING LA English DT Article DE ultratine-grained aluminum; boundary; mechanical properties ID HIGH-ANGLE BOUNDARIES; PLASTIC-DEFORMATION; NANOSTRUCTURED METAL; NANOCRYSTALLINE COPPER; MOLECULAR-DYNAMICS; SIZE DEPENDENCE; KINETICS; ALLOYS; TRANSITION; MECHANISMS AB Commercial purity aluminum AA1050 billets with similar submicrometer grain sizes but distinctively different boundary structures were obtained by the use of different equal channel angular extrusion (ECAE) routes. Route "A'' is defined as no rotation between extrusion passes, while route "C" is rotated 180 degrees between extrusion passes. The microstructure processed by route "A" consists mainly of high-angle boundaries (HABS) while route "C" has primarily low-angle boundary (LAB) structures. Tensile tests conducted on these two microstructures at intermediate and dynamic strain rates at both 77 and 298 K were compared with the results of material tested at quasi-static strain rates. The boundary structure was found to play an important role in the mechanical properties at low temperature. (c) 2007 Elsevier B.V. All rights reserved. C1 Los Alamos Natl Lab, Los Alamos, NM 87545 USA. RP Sun, PL (reprint author), Los Alamos Natl Lab, MST-8-MS G755, Los Alamos, NM 87545 USA. EM peilings@gmail.com NR 42 TC 21 Z9 21 U1 3 U2 11 PU ELSEVIER SCIENCE SA PI LAUSANNE PA PO BOX 564, 1001 LAUSANNE, SWITZERLAND SN 0921-5093 J9 MAT SCI ENG A-STRUCT JI Mater. Sci. Eng. A-Struct. Mater. Prop. Microstruct. Process. PD AUG 25 PY 2007 VL 464 IS 1-2 BP 343 EP 350 DI 10.1016/j.msea.2007.02.007 PG 8 WC Nanoscience & Nanotechnology; Materials Science, Multidisciplinary; Metallurgy & Metallurgical Engineering SC Science & Technology - Other Topics; Materials Science; Metallurgy & Metallurgical Engineering GA 179XF UT WOS:000247323100046 ER PT J AU Gosling, JT Eriksson, S McComas, DJ Phan, TD Skoug, RM AF Gosling, J. T. Eriksson, S. McComas, D. J. Phan, T. D. Skoug, R. M. TI Multiple magnetic reconnection sites associated with a coronal mass ejection in the solar wind SO JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS LA English DT Article ID DAYSIDE MAGNETOPAUSE; FIELD; SIMULATIONS; MAGNETOTAIL; PLASMA; SHEAR; SUN; COLLISIONLESS; DISTURBANCES; REVERSALS AB Magnetic reconnection exhausts in the solar wind are often associated with interplanetary coronal mass ejections (ICMEs). Occasionally, an exhaust is observed at the interface between ambient solar wind and the leading edge of an ICME where reconnection serves to erode away some of the magnetic flux carried by the ICME. More often the exhausts are observed at thin current sheets within the interiors of ICMEs or near their trailing edges. We have examined an unusually large set of seven reconnection exhausts, including both sunward and antisunward directed events, observed within the interior of and near the trailing edge of an ICME. Six of these exhausts occurred as pairs on the opposite sides of relatively small magnetic filaments of locally reversed fields. For three of the exhausts the local magnetic shear was considerably less than 90 degrees, indicating that reconnection can occur at times when the so-called guide field component considerably exceeds the antiparallel field component. One exhaust had a local width of only 1.6 x 10(3) km (25.4 ion inertial lengths) and was convected past the Wind spacecraft in similar to 5.4 s. No Hall field rotations were observed in association with this event, probably because of the significant guide field present and because even this extremely narrow exhaust was probably sampled well downstream (similar to 380 ion inertial lengths) from the reconnection site. The current sheets bounding the exhaust had widths of 3.5 and 5.2 ion inertial lengths, respectively, exceeding by several times the expected scale size of the associated diffusion region. C1 Univ Colorado, Atmospher & Space Phys Lab, Boulder, CO 80309 USA. SW Res Inst, Space Sci & Engn Div, San Antonio, TX USA. Univ Calif Berkeley, Space Sci Lab, Berkeley, CA 94720 USA. Los Alamos Natl Lab, Los Alamos, NM USA. RP Gosling, JT (reprint author), Univ Colorado, Atmospher & Space Phys Lab, Boulder, CO 80309 USA. EM jack.gosling@lasp.colorado.edu OI Eriksson, Stefan/0000-0002-5619-1577 NR 50 TC 32 Z9 34 U1 0 U2 0 PU AMER GEOPHYSICAL UNION PI WASHINGTON PA 2000 FLORIDA AVE NW, WASHINGTON, DC 20009 USA SN 0148-0227 J9 J GEOPHYS RES-SPACE JI J. Geophys. Res-Space Phys. PD AUG 24 PY 2007 VL 112 IS A8 AR A08106 DI 10.1029/2007JA012418 PG 14 WC Astronomy & Astrophysics SC Astronomy & Astrophysics GA 204HQ UT WOS:000249035000003 ER PT J AU Abouzaid, E Arenton, M Barker, AR Bellantoni, L Blucher, E Bock, GJ Cheu, E Coleman, R Corcoran, MD Cox, B Erwin, AR Escobar, CO Glazov, A Golossanov, A Gomes, RA Gouffon, P Hsiung, YB Jensen, DA Kessler, R Kotera, K Ledovskoy, A McBride, PL Monnier, E Nelson, KS Nguyen, H Niclasen, R Phillips, DG Ping, H Ramberg, EJ Ray, RE Ronquest, M Santos, E Slater, W Smith, D Solomey, N Swallow, EC Toale, PA Tschirhart, R Velissaris, C Wah, YW Wang, J White, HB Whitmore, J Wilking, MJ Winstein, B Winston, R Worcester, ET Worcester, M Yamanaka, T Zimmerman, ED Zukanovich, RF AF Abouzaid, E. Arenton, M. Barker, A. R. Bellantoni, L. Blucher, E. Bock, G. J. Cheu, E. Coleman, R. Corcoran, M. D. Cox, B. Erwin, A. R. Escobar, C. O. Glazov, A. Golossanov, A. Gomes, R. A. Gouffon, P. Hsiung, Y. B. Jensen, D. A. Kessler, R. Kotera, K. Ledovskoy, A. McBride, P. L. Monnier, E. Nelson, K. S. Nguyen, H. Niclasen, R. Phillips, D. G., II Ping, H. Ramberg, E. J. Ray, R. E. Ronquest, M. Santos, E. Slater, W. Smith, D. Solomey, N. Swallow, E. C. Toale, P. A. Tschirhart, R. Velissaris, C. Wah, Y. W. Wang, J. White, H. B. Whitmore, J. Wilking, M. J. Winstein, B. Winston, R. Worcester, E. T. Worcester, M. Yamanaka, T. Zimmerman, E. D. Zukanovich, R. F. TI First observation of K-L ->pi(+/-)e(-/+)nu e(+)e(-) SO PHYSICAL REVIEW LETTERS LA English DT Article ID MONTE-CARLO AB This Letter is the first report of the K-L ->pi(+/-)e(-/+)nu e(+)e(-) decay. Based on 19 208 +/- 144 events, we determine the branching fraction, B(K-L ->pi(+/-)e(-/+)nu e(+)e(-);M(e)(+)e(-)> 5 MeV/c(2),E(e)(+)e(-*)> 30 MeV)=(1.285 +/- 0.041)x10(-5), and Gamma(K-e3ee;M(e)(+)e(-)> 5 MeV/c(2))/Gamma(K-e3)=[4.57 +/- 0.04(stat)+/- 0.14(syst)]x10(-5). This ratio agrees with a theoretical prediction based on chiral perturbation theory (ChPT) calculated to O(p(4)). The measured kinematical distributions agree with those predicted by just ChPT O(p(4)), but show significant disagreement with ones predicted by leading-order ChPT. C1 Univ Arizona, Tucson, AZ 85721 USA. Univ Calif Los Angeles, Los Angeles, CA 90095 USA. Univ Estadual Campinas, BR-13083970 Campinas, SP, Brazil. Univ Chicago, Enrico Fermi Inst, Chicago, IL 60637 USA. Univ Colorado, Boulder, CO 80309 USA. Elmhurst Coll, Elmhurst, IL 60126 USA. Fermilab Natl Accelerator Lab, Batavia, IL 60510 USA. Osaka Univ, Osaka 5600043, Japan. Rice Univ, Houston, TX 77005 USA. Univ Sao Paulo, BR-05315970 Sao Paulo, Brazil. Univ Virginia, Dept Phys, Charlottesville, VA 22901 USA. Univ Virginia, Inst Nucl & Particle Phys, Charlottesville, VA 22901 USA. Univ Wisconsin, Madison, WI 53706 USA. RP Abouzaid, E (reprint author), Univ Arizona, Tucson, AZ 85721 USA. RI Gomes, Ricardo/B-6899-2008; Zukanovich Funchal, Renata/C-5829-2013; Moura Santos, Edivaldo/K-5313-2016; Gouffon, Philippe/I-4549-2012; Inst. of Physics, Gleb Wataghin/A-9780-2017 OI Gomes, Ricardo/0000-0003-0278-4876; Zukanovich Funchal, Renata/0000-0001-6749-0022; Moura Santos, Edivaldo/0000-0002-2818-8813; Gouffon, Philippe/0000-0001-7511-4115; NR 15 TC 2 Z9 2 U1 0 U2 4 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 0031-9007 J9 PHYS REV LETT JI Phys. Rev. Lett. PD AUG 24 PY 2007 VL 99 IS 8 AR 081803 DI 10.1103/PhysRevLett.99.081803 PG 5 WC Physics, Multidisciplinary SC Physics GA 203OW UT WOS:000248984900009 PM 17930940 ER PT J AU Angst, M Khalifah, P Hermann, RP Xiang, HJ Whangbo, MH Varadarajan, V Brill, JW Sales, BC Mandrus, D AF Angst, M. Khalifah, P. Hermann, R. P. Xiang, H. J. Whangbo, M.-H. Varadarajan, V. Brill, J. W. Sales, B. C. Mandrus, D. TI Charge order superstructure with integer iron valence in Fe2OBO3 SO PHYSICAL REVIEW LETTERS LA English DT Article ID ISOMER-SHIFT; MOSSBAUER; OXIDES; SUPERCONDUCTORS; PARAMETERS; TRANSITION; ELECTRONS; CRYSTAL; FE3O4 AB Solution-grown single crystals of Fe2OBO3 were characterized by specific heat, Mossbauer spectroscopy, and x-ray diffraction. A peak in the specific heat at 340 K indicates the onset of charge order. Evidence for a doubling of the unit cell at low temperature is presented. Combining structural refinement of diffraction data and Mossbauer spectra, domains with diagonal charge order are established. Bond-valence-sum analysis indicates integer valence states of the Fe ions in the charge ordered phase, suggesting Fe2OBO3 is the clearest example of ionic charge order so far. C1 Oak Ridge Natl Lab, Div Mat Sci & Technol, Oak Ridge, TN 37831 USA. Univ Massachusetts, Dept Chem, Amherst, MA 01003 USA. Forschungszentrum Julich, Inst Festkorperforsch, D-52425 Julich, Germany. Univ Liege, Dept Phys, B-4000 Sart Tilman Par Liege, Belgium. N Carolina State Univ, Dept Chem, Raleigh, NC 27695 USA. Univ Kentucky, Dept Phys & Astron, Lexington, KY 40506 USA. RP Angst, M (reprint author), Oak Ridge Natl Lab, Div Mat Sci & Technol, Oak Ridge, TN 37831 USA. RI Xiang, Hongjun/A-4076-2008; Angst, Manuel/I-4380-2012; Hermann, Raphael/F-6257-2013; Mandrus, David/H-3090-2014; Xiang, Hongjun/I-4305-2016 OI Angst, Manuel/0000-0001-8892-7019; Hermann, Raphael/0000-0002-6138-5624; Xiang, Hongjun/0000-0002-9396-3214 NR 30 TC 27 Z9 27 U1 0 U2 16 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 AUG 24 PY 2007 VL 99 IS 8 AR 086403 DI 10.1103/PhysRevLett.99.086403 PG 4 WC Physics, Multidisciplinary SC Physics GA 203OW UT WOS:000248984900034 PM 17930965 ER PT J AU Aubert, B Bona, M Boutigny, D Karyotakis, Y Lees, JP Poireau, V Prudent, X Tisserand, V Zghiche, A Tico, JG Grauges, E Lopez, L Palano, A Eigen, G Ofte, I Stugu, B Sun, L Abrams, GS Battaglia, M Brown, DN Button-Shafer, J Cahn, RN Groysman, Y Jacobsen, RG Kadyk, JA Kerth, LT Kolomensky, YG Kukartsev, G Pegna, DL Lynch, G Mir, LM Orimoto, TJ Pripstein, M Roe, NA Ronan, MT Tackmann, K Wenzel, WA Sanchez, PDA Hawkes, CM Watson, AT Held, T Koch, H Lewandowski, B Pelizaeus, M Schroeder, T Steinke, M Boyd, JT Burke, JP Cottingham, WN Walker, D Asgeirsson, DJ Cuhadar-Donszelmann, T Fulsom, BG Hearty, C Knecht, NS Mattison, TS McKenna, JA Khan, A Saleem, M Teodorescu, L Blinov, VE Bukin, AD Druzhinin, VP Golubev, VB Onuchin, AP Serednyakov, SI Skovpen, YI Solodov, EP Todyshev, KY Bondioli, M Bruinsma, M Curry, S Eschrich, I Kirkby, D Lankford, AJ Lund, P Mandelkern, M Martin, EC Stoker, DP Abachi, S Buchanan, C Foulkes, SD Gary, JW Liu, F Long, O Shen, BC Zhang, L Paar, HP Rahatlou, S Sharma, V Berryhill, JW Campagnari, C Cunha, A Dahmes, B Hong, TM Kovalskyi, D Richman, JD Beck, TW Eisner, AM Flacco, CJ Heusch, CA Kroseberg, J Lockman, WS Schalk, T Schumm, BA Seiden, A Williams, DC Wilson, MG Winstrom, LO Chen, E Cheng, CH Dvoretskii, A Fang, F Hitlin, DG Narsky, I Piatenko, T Porter, FC Mancinelli, G Meadows, BT Mishra, K Sokoloff, MD Blanc, F Bloom, PC Chen, S Ford, WT Hirschauer, JF Kreisel, A Nagel, M Nauenberg, U Olivas, A Smith, JG Ulmer, KA Wagner, SR Zhang, J Chen, A Eckhart, EA Soffer, A Toki, WH Wilson, RJ Winklmeier, F Zeng, Q Altenburg, DD Feltresi, E Hauke, A Jasper, H Merkel, J Petzold, A Spaan, B Wacker, K Brandt, T Klose, V Lacker, HM Mader, WF Nogowski, R Schubert, J Schubert, KR Schwierz, R Sundermann, JE Volk, A Bernard, D Bonneaud, GR Latour, E Thiebaux, C Verderi, M Clark, PJ Gradl, W Muheim, F Playfer, S Robertson, AI Xie, Y Andreotti, M Bettoni, D Bozzi, C Calabrese, R Cecchi, A Cibinetto, G Franchini, P Luppi, E Negrini, M Petrella, A Piemontese, L Prencipe, E Santoro, V Anulli, F Baldini-Ferroli, R Calcaterra, A de Sangro, R Finocchiaro, G Pacetti, S Patteri, P Peruzzi, IM Piccolo, M Rama, M Zallo, A Buzzo, A Contri, R Lo Vetere, M Macri, MM Monge, MR Passaggio, S Patrignani, C Robutti, E Santroni, A Tosi, S Chaisanguanthum, KS Morii, M Wu, J Dubitzky, RS Marks, J Schenk, S Uwer, U Bard, DJ Dauncey, PD Flack, RL Nash, JA Nikolich, MB Vazquez, WP Behera, PK Chai, X Charles, MJ Mallik, U Meyer, NT Ziegler, V Cochran, J Crawley, HB Dong, L Eyges, V Meyer, WT Prell, S Rosenberg, EI Rubin, AE Gritsan, AV Lae, CK Denig, AG Fritsch, M Schott, G Arnaud, N Bequilleux, J Davier, M Grosdidier, G Hocker, A Lepeltier, V Le Diberder, F Lutz, AM Pruvot, S Rodier, S Roudeau, P Schune, MH Serrano, J Sordini, V Stocchi, A Wang, WF Wormser, G Lange, DJ Wright, DM Chavez, CA 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Graham, M. T. Grenier, P. Halyo, V. Hast, C. Hryn'ova, T. Innes, W. R. Kelsey, M. H. Kim, P. Leith, D. W. G. S. Li, S. Luitz, S. Luth, V. Lynch, H. L. MacFarlane, D. B. Marsiske, H. Messner, R. Muller, D. R. O'Grady, C. P. Ozcan, V. E. Perazzo, A. Perl, M. Pulliam, T. Ratcliff, B. N. Roodman, A. Salnikov, A. A. Schindler, R. H. Schwiening, J. Snyder, A. Stelzer, J. Su, D. Sullivan, M. K. Suzuki, K. Swain, S. Thompson, J. M. Va'vra, J. van Bakel, N. Wagner, A. P. Weaver, M. Wisniewski, W. J. Wittgen, M. Wright, D. H. Yarritu, A. K. Yi, K. Young, C. C. Burchat, P. R. Edwards, A. J. Majewski, S. A. Petersen, B. A. Wilden, L. Ahmed, S. Alam, M. S. Bula, R. Ernst, J. A. Jain, V. Pan, B. Saeed, M. A. Wappler, F. R. Zain, S. B. Bugg, W. Krishnamurthy, M. Spanier, S. M. Eckmann, R. Ritchie, J. L. Ruland, A. M. Schilling, C. J. Schwitters, R. F. Izen, J. M. Lou, X. C. Ye, S. Bianchi, F. Gallo, F. Gamba, D. Pelliccioni, M. Bomben, M. Bosisio, L. Cartaro, C. Cossutti, F. Della Ricca, G. Lanceri, L. Vitale, L. Azzolini, V. Lopez-March, N. Martinez-Vidal, F. Milanes, D. A. Oyanguren, A. Albert, J. Banerjee, Sw. Bhuyan, B. Hamano, K. Kowalewski, R. Nugent, I. M. Roney, J. M. Sobie, R. J. Back, J. J. Harrison, P. F. Latham, T. E. Mohanty, G. B. Pappagallo, M. Band, H. R. Chen, X. Dasu, S. Flood, K. T. Hollar, J. J. Kutter, P. E. Pan, Y. Pierini, M. Prepost, R. Wu, S. L. Yu, Z. Neal, H. TI Measurement of the time-dependent CP asymmetry in B-0 -> D(CP)((*))h(0) decays SO PHYSICAL REVIEW LETTERS LA English DT Article ID B-DECAYS; ANNIHILATION; VIOLATION; PHYSICS; JETS AB We report a measurement of the time-dependent CP-asymmetry parameters S and C in color-suppressed B-0 -> D((*)0)h(0) decays, where h(0) is a pi(0), eta, or omega meson, and the decays to one of the CP eigenstates K+K-, K-S(0)pi(0), or K-S(0)omega. The data sample consists of 383x10(6) Upsilon(4S)-> B (B) over bar decays collected with the BABAR detector at the PEP-II asymmetric-energy B factory at SLAC. 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Ist Nazl Fis Nucl, I-00185 Rome, Italy. Univ Rostock, D-18051 Rostock, Germany. Rutherford Appleton Lab, Didcot OX11 0QX, Oxon, England. CEA Saclay, DSM Dapnia, F-91191 Gif Sur Yvette, France. Univ S Carolina, Columbia, SC 29208 USA. Stanford Linear Accelerator Ctr, Stanford, CA 94309 USA. Stanford Univ, Stanford, CA 94305 USA. SUNY Albany, Albany, NY 12222 USA. Univ Tennessee, Knoxville, TN 37996 USA. Univ Texas, Austin, TX 78712 USA. Univ Texas, Richardson, TX 75083 USA. Univ Turin, Dipartimento Fis Sperimentale, I-10125 Turin, Italy. Ist Nazl Fis Nucl, I-10125 Turin, Italy. Univ Trieste, Dipartmento Fis, I-34127 Trieste, Italy. Ist Nazl Fis Nucl, I-34127 Trieste, Italy. Univ Valencia, IFIC, CSIC, E-46071 Valencia, Spain. Univ Victoria, Victoria, BC V8W 3P6, Canada. Univ Warwick, Dept Phys, Coventry CV4 7AL, W Midlands, England. Univ Wisconsin, Madison, WI 53706 USA. Yale Univ, New Haven, CT 06511 USA. RP Aubert, B (reprint author), CNRS, IN2P3, Phys Particules Lab, F-74941 Annecy Le Vieux, France. RI Lista, Luca/C-5719-2008; Monge, Maria Roberta/G-9127-2012; Bellini, Fabio/D-1055-2009; Forti, Francesco/H-3035-2011; Rotondo, Marcello/I-6043-2012; Patrignani, Claudia/C-5223-2009; de Sangro, Riccardo/J-2901-2012; Oyanguren, Arantza/K-6454-2014; Della Ricca, Giuseppe/B-6826-2013; Roe, Natalie/A-8798-2012; Saeed, Mohammad Alam/J-7455-2012; Negrini, Matteo/C-8906-2014; dong, liaoyuan/A-5093-2015; Rizzo, Giuliana/A-8516-2015; Luppi, Eleonora/A-4902-2015; Calabrese, Roberto/G-4405-2015; Mir, Lluisa-Maria/G-7212-2015; Martinez Vidal, F*/L-7563-2014; Kolomensky, Yury/I-3510-2015; Lo Vetere, Maurizio/J-5049-2012; Lusiani, Alberto/N-2976-2015; Morandin, Mauro/A-3308-2016; Lusiani, Alberto/A-3329-2016; Di Lodovico, Francesca/L-9109-2016; Pappagallo, Marco/R-3305-2016; Calcaterra, Alessandro/P-5260-2015; Frey, Raymond/E-2830-2016 OI Monge, Maria Roberta/0000-0003-1633-3195; Bellini, Fabio/0000-0002-2936-660X; Forti, Francesco/0000-0001-6535-7965; Rotondo, Marcello/0000-0001-5704-6163; Patrignani, Claudia/0000-0002-5882-1747; de Sangro, Riccardo/0000-0002-3808-5455; Oyanguren, Arantza/0000-0002-8240-7300; Della Ricca, Giuseppe/0000-0003-2831-6982; Saeed, Mohammad Alam/0000-0002-3529-9255; Negrini, Matteo/0000-0003-0101-6963; Faccini, Riccardo/0000-0003-2613-5141; Cavoto, Gianluca/0000-0003-2161-918X; Barlow, Roger/0000-0002-8295-8612; Raven, Gerhard/0000-0002-2897-5323; dong, liaoyuan/0000-0002-4773-5050; Bettarini, Stefano/0000-0001-7742-2998; Cibinetto, Gianluigi/0000-0002-3491-6231; Pacetti, Simone/0000-0002-6385-3508; Covarelli, Roberto/0000-0003-1216-5235; Rizzo, Giuliana/0000-0003-1788-2866; Paoloni, Eugenio/0000-0001-5969-8712; Luppi, Eleonora/0000-0002-1072-5633; Calabrese, Roberto/0000-0002-1354-5400; Mir, Lluisa-Maria/0000-0002-4276-715X; Martinez Vidal, F*/0000-0001-6841-6035; Kolomensky, Yury/0000-0001-8496-9975; Lo Vetere, Maurizio/0000-0002-6520-4480; Lusiani, Alberto/0000-0002-6876-3288; Morandin, Mauro/0000-0003-4708-4240; Lusiani, Alberto/0000-0002-6876-3288; Di Lodovico, Francesca/0000-0003-3952-2175; Pappagallo, Marco/0000-0001-7601-5602; Calcaterra, Alessandro/0000-0003-2670-4826; Frey, Raymond/0000-0003-0341-2636 NR 21 TC 9 Z9 9 U1 0 U2 4 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 0031-9007 J9 PHYS REV LETT JI Phys. Rev. Lett. PD AUG 24 PY 2007 VL 99 IS 8 AR 081801 DI 10.1103/PhysRevLett.99.081801 PG 7 WC Physics, Multidisciplinary SC Physics GA 203OW UT WOS:000248984900007 ER PT J AU Avakian, H Brodsky, SJ Deur, A Yuan, F AF Avakian, Harut Brodsky, Stanley J. Deur, Alexandre Yuan, Feng TI Effect of orbital angular momentum on valence-quark helicity distributions SO PHYSICAL REVIEW LETTERS LA English DT Article ID DEEP-INELASTIC SCATTERING; QCD ANALYSIS; NUCLEON; AMPLITUDES AB We study the quark helicity distributions at large x in perturbative QCD, taking into account contributions from the valence Fock states of the nucleon which have nonzero orbital angular momentum. We find that the quark orbital angular momentum contributes a large logarithm to the negative helicity quark distributions in addition to its power behavior, scaling as (1-x)(5)log(2)(1-x) in the limit of x -> 1. Our analysis shows that the ratio of the polarized over unpolarized down quark distributions, Delta d/d, will still approach 1 in this limit. By comparing with the experimental data, we find that this ratio should cross zero at x approximate to 0.75. C1 Thomas Jefferson Natl Accelerator Facil, Newport News, VA 23606 USA. Stanford Univ, Stanford Linear Accelerator Ctr, Stanford, CA 94309 USA. Brookhaven Natl Lab, RIKEN, BNL Res Ctr, Upton, NY 11973 USA. RP Avakian, H (reprint author), Thomas Jefferson Natl Accelerator Facil, Newport News, VA 23606 USA. RI Yuan, Feng/N-4175-2013 NR 28 TC 38 Z9 39 U1 0 U2 0 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 0031-9007 J9 PHYS REV LETT JI Phys. Rev. Lett. PD AUG 24 PY 2007 VL 99 IS 8 AR 082001 DI 10.1103/PhysRevLett.99.082001 PG 4 WC Physics, Multidisciplinary SC Physics GA 203OW UT WOS:000248984900010 PM 17930941 ER PT J AU Chasman, RR AF Chasman, R. R. TI n-p pairing, wigner energy, and shell gaps SO PHYSICAL REVIEW LETTERS LA English DT Article ID GENERALIZED QUASI-SPIN; ISOSPIN SYMMETRY; MATRIX-ELEMENTS; NUCLEI AB The diagonal correlation energy due to n-n, p-p, and n-p pairing is shown to resolve the discrepancies between shell gaps determined from binding energy differences and the gaps calculated with Woods-Saxon potentials or with other mean-field models. The difference in diagonal correlation energy between an N=Z nucleus with filled shells and the nucleus with one less nucleon resolves this problem in lowest order. A previously derived result, that the diagonal correlation energy in the last occupied orbital for the latter nuclei is 1/2 of the equivalent correlation energy for closed shell nuclei, is tested against observed binding energies and found to be fairly accurate. C1 Argonne Natl Lab, Div Phys, Argonne, IL 60439 USA. RP Chasman, RR (reprint author), Argonne Natl Lab, Div Phys, Argonne, IL 60439 USA. NR 29 TC 11 Z9 11 U1 1 U2 4 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 AUG 24 PY 2007 VL 99 IS 8 AR 082501 DI 10.1103/PhysRevLett.99.082501 PG 4 WC Physics, Multidisciplinary SC Physics GA 203OW UT WOS:000248984900012 PM 17930943 ER PT J AU Chertkov, M Connaughton, C Kolokolov, I Lebedev, V AF Chertkov, M. Connaughton, C. Kolokolov, I. Lebedev, V. TI Dynamics of energy condensation in two-dimensional turbulence SO PHYSICAL REVIEW LETTERS LA English DT Article ID INVERSE CASCADE AB We report a numerical study, supplemented by phenomenological explanations, of '' energy condensation '' in forced 2D turbulence in a biperiodic box. Condensation is a finite size effect which occurs after the standard inverse cascade reaches the size of the system. It leads to the emergence of a coherent vortex dipole. We show that the time growth of the dipole is self-similar, and it contains most of the injected energy, thus resulting in an energy spectrum which is markedly steeper than the standard k(-5/3) one. Once the coherent component is subtracted, however, the remaining fluctuations have a spectrum close to k(-1). The fluctuations decay slowly as the coherent part grows. C1 Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA. Los Alamos Natl Lab, Ctr Nonlinear Studies, Los Alamos, NM 87545 USA. LD Landau Theoret Phys Inst, Moscow 119334, Russia. RP Chertkov, M (reprint author), Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA. RI Connaughton, Colm/E-8796-2011; Chertkov, Michael/O-8828-2015; OI Connaughton, Colm/0000-0003-4137-7050; Chertkov, Michael/0000-0002-6758-515X; Kolokolov, Igor/0000-0002-7961-8588 NR 28 TC 53 Z9 56 U1 1 U2 6 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 0031-9007 J9 PHYS REV LETT JI Phys. Rev. Lett. PD AUG 24 PY 2007 VL 99 IS 8 AR 084501 DI 10.1103/PhysRevLett.99.084501 PG 4 WC Physics, Multidisciplinary SC Physics GA 203OW UT WOS:000248984900020 PM 17930951 ER PT J AU Park, CH Giustino, F Cohen, ML Louie, SG AF Park, Cheol-Hwan Giustino, Feliciano Cohen, Marvin L. Louie, Steven G. TI Velocity renormalization and carrier lifetime in graphene from the electron-phonon interaction SO PHYSICAL REVIEW LETTERS LA English DT Article ID PSEUDOPOTENTIALS; SYSTEMS; ENERGY; GAS AB We present a first-principles investigation of the phonon-induced electron self-energy in graphene. The energy dependence of the self-energy reflects the peculiar linear band structure of graphene and deviates substantially from the usual metallic behavior. The effective band velocity of the Dirac fermions is found to be reduced by 4%-8%, depending on doping, by the interaction with lattice vibrations. Our results are consistent with the observed linear dependence of the electronic linewidth on the binding energy in photoemission spectra. C1 Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA. Univ Calif Berkeley, Lawrence Berkeley Lab, Div Mat Sci, Berkeley, CA 94720 USA. RP Park, CH (reprint author), Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA. RI Park, Cheol-Hwan/A-1543-2009; Giustino, Feliciano/F-6343-2013; OI Park, Cheol-Hwan/0000-0003-1584-6896; Giustino, Feliciano/0000-0001-9293-1176 NR 21 TC 125 Z9 125 U1 2 U2 26 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 0031-9007 J9 PHYS REV LETT JI Phys. Rev. Lett. PD AUG 24 PY 2007 VL 99 IS 8 AR 086804 DI 10.1103/PhysRevLett.99.086804 PG 4 WC Physics, Multidisciplinary SC Physics GA 203OW UT WOS:000248984900041 PM 17930972 ER PT J AU Seweryniak, D Blank, B Carpenter, MP Davids, CN Davinson, T Freeman, SJ Hammond, N Hoteling, N Janssens, RVF Khoo, TL Liu, Z Mukherjee, G Robinson, A Scholey, C Sinha, S Shergur, J Starosta, K Walters, WB Woehr, A Woods, PJ AF Seweryniak, D. Blank, B. Carpenter, M. P. Davids, C. N. Davinson, T. Freeman, S. J. Hammond, N. Hoteling, N. Janssens, R. V. F. Khoo, T. L. Liu, Z. Mukherjee, G. Robinson, A. Scholey, C. Sinha, S. Shergur, J. Starosta, K. Walters, W. B. Woehr, A. Woods, P. J. TI Effect of a triaxial nuclear shape on proton tunneling: The decay and structure of Tm-145 SO PHYSICAL REVIEW LETTERS LA English DT Article AB Gamma rays deexciting states in the proton emitter Tm-145 were observed using the recoil-decay tagging method. The Tm-145 ground-state rotational band was found to exhibit the properties expected for an h(11/2) proton decoupled band. In addition, coincidences between protons feeding the 2(+) state in Er-144 and the 2(+)-> 0(+) gamma-ray transition were detected, the first measurement of this kind, leading to a more precise value for the 2(+) excitation energy of 329(1) keV. Calculations with the particle-rotor model and the core quasiparticle coupling model indicate that the properties of the pi h(11/2) band and the proton-decay rates in Tm-145 are consistent with the presence of triaxiality with an asymmetry parameter gamma approximate to 20 degrees. C1 Argonne Natl Lab, Argonne, IL 60439 USA. CEN Bordeaux Gradignan, F-33175 Gradignan, France. Univ Edinburgh, Edinburgh EH9 3JZ, Midlothian, Scotland. Univ Manchester, Manchester M13 9PL, Lancs, England. Univ Maryland, College Pk, MD 20742 USA. Univ Jyvaskyla, Jyvaskyla, Finland. Michigan State Univ, Natl Superconducting Cyclotron Lab, E Lansing, MI 48824 USA. Univ Notre Dame, Notre Dame, IN 46556 USA. RP Seweryniak, D (reprint author), Argonne Natl Lab, 9700 S Cass Ave, Argonne, IL 60439 USA. RI Freeman, Sean/B-1280-2010; Scholey, Catherine/G-2720-2014; Carpenter, Michael/E-4287-2015 OI Freeman, Sean/0000-0001-9773-4921; Scholey, Catherine/0000-0002-8743-6071; Carpenter, Michael/0000-0002-3237-5734 NR 22 TC 19 Z9 21 U1 0 U2 4 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 AUG 24 PY 2007 VL 99 IS 8 AR 082502 DI 10.1103/PhysRevLett.99.082502 PG 4 WC Physics, Multidisciplinary SC Physics GA 203OW UT WOS:000248984900013 PM 17930944 ER PT J AU Stone, MB Tian, W Lumsden, MD Granroth, GE Mandrus, D Chung, JH Harrison, N Nagler, SE AF Stone, M. B. Tian, W. Lumsden, M. D. Granroth, G. E. Mandrus, D. Chung, J.-H. Harrison, N. Nagler, S. E. TI Quantum spin correlations in an organometallic alternating-sign chain SO PHYSICAL REVIEW LETTERS LA English DT Article ID TETRAMETHYLAMMONIUM TRICHLORONICKELATE II; ONE-DIMENSIONAL SYSTEMS; HEISENBERG CHAIN; EXCITATION SPECTRUM; MAGNETIC-PROPERTIES; CRYSTAL-STRUCTURE; PHASE; LADDERS; (CH3)(2)NH2CUCL3; TRANSITION AB High resolution neutron scattering is used to study excitations in the organometallic magnet (CH(3))(2)NH(2)CuCl(3) (DMACuCl(3)). Combined with bulk magnetization and susceptibility studies, the new results imply that DMACuCl(3) is a realization of the S=1/2 alternating antiferromagnetic-ferromagnetic (AFM-FM) chain. Coupled-cluster calculations indicate that the AFM and FM interactions have nearly the same strength, while analysis of scattering intensities shows evidence for interdimer spin correlations. Results are discussed in the context of recent ideas concerning quantum entanglement. C1 Oak Ridge Natl Lab, Neutron Scattering Sci Div, Oak Ridge, TN 37831 USA. Univ Tennessee, Dept Phys & Astron, Knoxville, TN 37996 USA. Iowa State Univ, Dept Phys & Astron, Ames, IA 50011 USA. Iowa State Univ, Ames Lab, Ames, IA 50011 USA. Oak Ridge Natl Lab, Div Mat Sci & Technol, Oak Ridge, TN 37831 USA. Natl Inst Stand & Technol, NCNR, Gaithersburg, MD 20899 USA. Univ Maryland, Dept Mat Sci & Engn, College Pk, MD 20742 USA. Los Alamos Natl Lab, Natl High Magnet Field Lab, Los Alamos, NM 87545 USA. RP Stone, MB (reprint author), Oak Ridge Natl Lab, Neutron Scattering Sci Div, Oak Ridge, TN 37831 USA. RI Nagler, Stephen/B-9403-2010; Nagler, Stephen/E-4908-2010; Stone, Matthew/G-3275-2011; Granroth, Garrett/G-3576-2012; Tian, Wei/C-8604-2013; Mandrus, David/H-3090-2014; Lumsden, Mark/F-5366-2012 OI Harrison, Neil/0000-0001-5456-7756; Nagler, Stephen/0000-0002-7234-2339; Stone, Matthew/0000-0001-7884-9715; Granroth, Garrett/0000-0002-7583-8778; Tian, Wei/0000-0001-7735-3187; Lumsden, Mark/0000-0002-5472-9660 NR 42 TC 29 Z9 29 U1 0 U2 13 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 0031-9007 J9 PHYS REV LETT JI Phys. Rev. Lett. PD AUG 24 PY 2007 VL 99 IS 8 AR 087204 DI 10.1103/PhysRevLett.99.087204 PG 4 WC Physics, Multidisciplinary SC Physics GA 203OW UT WOS:000248984900047 PM 17930978 ER PT J AU Wang, YY Yamachika, R Wachowiak, A Grobis, M Khoo, KH Lee, DH Louie, SG Crommie, MF AF Wang, Yayu Yamachika, R. Wachowiak, A. Grobis, M. Khoo, K. H. Lee, D.-H. Louie, Steven G. Crommie, M. F. TI Novel Orientational Ordering and Reentrant Metallicity in KxC60 Monolayers for 3 <= x <= 5 SO PHYSICAL REVIEW LETTERS LA English DT Article ID RAY-ABSORPTION SPECTROSCOPY; DOPED C-60 MONOLAYERS; ELECTRONIC-STRUCTURE; PINWHEEL STRUCTURE; C60; MOLECULES; SURFACE; PHOTOEMISSION; AU(111); LATTICE AB STM studies on KxC60 monolayers reveal new behavior over a wide range of the phase diagram. As x increases from 3 to 5 KxC60 monolayers undergo metal-insulator-metal reentrant phase transitions and exhibit a variety of novel orientational orderings, including a complex 7-molecule, pinwheel-like structure. The proposed driving mechanism for the orientational ordering is the lowering of electron kinetic energy by maximizing the overlap of neighboring molecular orbitals. In insulating (metallic) KxC60 this gives rise to orbital versions of the superexchange (double-exchange) interaction. C1 Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA. Univ Calif Berkeley, Lawrence Berkeley Lab, Div Mat Sci, Berkeley, CA 94720 USA. RP Wang, YY (reprint author), Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA. RI Khoo, Khoong Hong/G-3983-2012 OI Khoo, Khoong Hong/0000-0002-4628-1202 NR 22 TC 22 Z9 22 U1 1 U2 21 PU AMER PHYSICAL SOC PI COLLEGE PK PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA SN 0031-9007 J9 PHYS REV LETT JI Phys. Rev. Lett. PD AUG 24 PY 2007 VL 99 IS 8 AR 086402 DI 10.1103/PhysRevLett.99.086402 PG 4 WC Physics, Multidisciplinary SC Physics GA 203OW UT WOS:000248984900033 PM 17930964 ER PT J AU Zhu, LY Peng, JC Reimer, PE Awes, TC Brooks, ML Brown, CN Bush, JD Carey, TA Chang, TH Cooper, WE Gagliardi, CA Garvey, GT Geesaman, DF Hawker, EA He, XC Isenhower, LD Kaplan, DM Kaufman, SB Klinksiek, SA Koetke, DD Lee, DM Lee, WM Leitch, MJ Makins, N McGaughey, PL Moss, JM Mueller, BA Nord, PM Papavassiliou, V Park, BK Petitt, G Sadler, ME Sondheim, WE Stankus, PW Thompson, TN Towell, RS Tribble, RE Vasiliev, MA Webb, JC Willis, JL Wise, DK Young, GR AF Zhu, L. Y. Peng, J. C. Reimer, P. E. Awes, T. C. Brooks, M. L. Brown, C. N. Bush, J. D. Carey, T. A. Chang, T. H. Cooper, W. E. Gagliardi, C. A. Garvey, G. T. Geesaman, D. F. Hawker, E. A. He, X. C. Isenhower, L. D. Kaplan, D. M. Kaufman, S. B. Klinksiek, S. A. Koetke, D. D. Lee, D. M. Lee, W. M. Leitch, M. J. Makins, N. McGaughey, P. L. Moss, J. M. Mueller, B. A. Nord, P. M. Papavassiliou, V. Park, B. K. Petitt, G. Sadler, M. E. Sondheim, W. E. Stankus, P. W. Thompson, T. N. Towell, R. S. Tribble, R. E. Vasiliev, M. A. Webb, J. C. Willis, J. L. Wise, D. K. Young, G. R. TI Measurement of angular distributions of drell-yan dimuons in p+d interactions at 800 GeV/c SO PHYSICAL REVIEW LETTERS LA English DT Article ID LEPTON-PAIR PRODUCTION; HADRON-HADRON COLLISIONS; NEGATIVE PIONS; HIGH ENERGIES; NUCLEON SEA; ASYMMETRY; FACTORIZATION; TUNGSTEN; MODEL AB We report a measurement of the angular distributions of Drell-Yan dimuons produced using an 800 GeV/c proton beam on a deuterium target. The muon angular distributions in the dilepton rest frame have been measured over the kinematic range 4.5 < m(mu mu)< 15 GeV/c(2), 0 < p(T)< 4 GeV/c, and 0 < x(F)< 0.8. No significant cos2 phi dependence is found in these proton-induced Drell-Yan data, in contrast with the situation for pion-induced Drell-Yan data. The data are compared with expectations from models which attribute the cos2 phi distribution to a QCD vacuum effect or to the presence of the transverse-momentum-dependent Boer-Mulders structure function h(1)(perpendicular to). Constraints on the magnitude of the sea-quark h(1)(perpendicular to) structure functions are obtained. C1 Abilene Christian Univ, Abilene, TX 79699 USA. Argonne Natl Lab, Div Phys, Argonne, IL 60439 USA. Fermilab Natl Accelerator Lab, Batavia, IL 60510 USA. Georgia State Univ, Atlanta, GA 30303 USA. IIT, Chicago, IL 60616 USA. Univ Illinois, Urbana, IL 61801 USA. Los Alamos Natl Lab, Los Alamos, NM 87545 USA. Univ New Mexico, Albuquerque, NM 87131 USA. New Mexico State Univ, Las Cruces, NM 88003 USA. Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA. Texas A&M Univ, College Stn, TX 77843 USA. Valparaiso Univ, Valparaiso, IN 46383 USA. RP Zhu, LY (reprint author), Abilene Christian Univ, Abilene, TX 79699 USA. RI Reimer, Paul/E-2223-2013 NR 35 TC 70 Z9 70 U1 1 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 AUG 24 PY 2007 VL 99 IS 8 AR 082301 DI 10.1103/PhysRevLett.99.082301 PG 5 WC Physics, Multidisciplinary SC Physics GA 203OW UT WOS:000248984900011 PM 17930942 ER PT J AU Xu, GY Broholm, C Soh, YA Aeppli, G DiTusa, JF Chen, Y Kenzelmann, M Frost, CD Ito, T Oka, K Takagi, H AF Xu, Guangyong Broholm, C. Soh, Yeong-Ah Aeppli, G. DiTusa, J. F. Chen, Ying Kenzelmann, M. Frost, C. D. Ito, T. Oka, K. Takagi, H. TI Mesoscopic phase coherence in a quantum spin fluid SO SCIENCE LA English DT Article ID NEUTRON-SCATTERING; HEISENBERG ANTIFERROMAGNETS; MAGNETIC EXCITATIONS; HALDANE-GAP; CHAIN; DYNAMICS; Y2BANIO5 AB Mesoscopic quantum phase coherence is important because it improves the prospects for handling quantum degrees of freedom in technology. Here we show that the development of such coherence can be monitored using magnetic neutron scattering from a one-dimensional spin chain of an oxide of nickel (Y2BaNiO5), a quantum spin fluid in which no classical static magnetic order is present. In the cleanest samples, the quantum coherence length is 20 nanometers, which is almost an order of magnitude larger than the classical antiferromagnetic correlation length of 3 nanometers. We also demonstrate that the coherence length can be modified by static and thermally activated defects in a quantitatively predictable manner. C1 Johns Hopkins Univ, Dept Phys & Astron, Baltimore, MD 21218 USA. Brookhaven Natl Lab, Condensed Matter Phys & Mat Sci Dept, Upton, NY 11973 USA. NIST, NIST Ctr Neutron Res, Gaithersburg, MD 20899 USA. Dartmouth Coll, Dept Phys & Astron, Hanover, NH 03755 USA. UCL, London Ctr Nanotechnol, London WC1H OAH, England. UCL, Dept Phys & Astrophys, London WC1H OAH, England. Louisiana State Univ, Dept Phys & Astron, Baton Rouge, LA 70803 USA. Rutherford Appleton Lab, ISIS Facil, Didcot OX11 0QX, Oxon, England. Natl Inst Adv Ind Sci & Technol, Tsukuba, Ibaraki 3058562, Japan. Univ Tokyo, Grad Sch Frontier Sci, Dept Adv Mat Sci, Chiba 2778561, Japan. RP Xu, GY (reprint author), Johns Hopkins Univ, Dept Phys & Astron, Baltimore, MD 21218 USA. EM gxu@bnl.gov RI Takagi, Hidenori/B-2935-2010; Broholm, Collin/E-8228-2011; Xu, Guangyong/A-8707-2010; Kenzelmann, Michel/A-8438-2008 OI Broholm, Collin/0000-0002-1569-9892; Xu, Guangyong/0000-0003-1441-8275; Kenzelmann, Michel/0000-0001-7913-4826 NR 28 TC 26 Z9 26 U1 1 U2 16 PU AMER ASSOC ADVANCEMENT SCIENCE PI WASHINGTON PA 1200 NEW YORK AVE, NW, WASHINGTON, DC 20005 USA SN 0036-8075 J9 SCIENCE JI Science PD AUG 24 PY 2007 VL 317 IS 5841 BP 1049 EP 1052 DI 10.1126/science.1143831 PG 4 WC Multidisciplinary Sciences SC Science & Technology - Other Topics GA 203AE UT WOS:000248946700035 PM 17656685 ER PT J AU Gau-Racine, J Lal, J Zeghal, M Auvray, L AF Gau-Racine, Jocelyne Lal, Jyotsana Zeghal, Mehdi Auvray, Loic TI PEO-PPO block copolymer vectors do not interact directly with DNA but with lipid membranes SO JOURNAL OF PHYSICAL CHEMISTRY B LA English DT Article ID GENE-THERAPY; AQUEOUS-SOLUTION; TRIBLOCK COPOLYMERS; NEUTRON-SCATTERING; SKELETAL-MUSCLE; IN-VIVO; EXPRESSION; CHANNELS; DELIVERY; BEHAVIOR AB Small angle neutron (SANS) and light scattering was used to study the interaction between fragments of double stranded deoxyribonucleic acid (DNA) and a synthetic triblock [poly(ethylene oxide)-poly(propylene oxide)-poly(ethylene oxide)] amphiphilic polymer, known as L64, a potential vector for gene therapy. The mechanism of action of this vector is yet unknown. The contrast variation method was used to separate the partial structure factors of the different components in mixtures of triblock and DNA. It has been found that the copolymer and DNA molecules exhibit repulsive interactions. Further, the interaction between the copolymer and a model lipid membrane was investigated in order to explain the action of the vector. Electrical measurements on black lipid membranes indicated that the main effect of L64 as a vector is to permeabilize the cell's membrane. C1 Univ Evry Val Essonne, CNRS, UMR 7581, Lab MPI LRP, F-91025 Evry, France. Argonne Natl Lab, Intense Pulsed Neutron Source, Argonne, IL 60439 USA. Univ Paris 11, CNRS, UMR 8502, Phys Solides Lab, F-91405 Orsay, France. RP Gau-Racine, J (reprint author), Univ Evry Val Essonne, CNRS, UMR 7581, Lab MPI LRP, F-91025 Evry, France. EM jocelyne.racine@laposte.net RI Auvray, Loic/J-7577-2012 OI Auvray, Loic/0000-0003-1736-5578 NR 52 TC 27 Z9 27 U1 1 U2 12 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 1520-6106 J9 J PHYS CHEM B JI J. Phys. Chem. B PD AUG 23 PY 2007 VL 111 IS 33 BP 9900 EP 9907 DI 10.1021/jp0687302 PG 8 WC Chemistry, Physical SC Chemistry GA 200JF UT WOS:000248759000029 PM 17661502 ER PT J AU Matsubara, T Dupuis, M Aida, M AF Matsubara, Toshiaki Dupuis, Michel Aida, Misako TI Ab initio ONIOM-Molecular dynamics (MD) study on the deamination reaction by cytidine deaminase SO JOURNAL OF PHYSICAL CHEMISTRY B LA English DT Article ID FREE-ENERGY PERTURBATION; MO+MM IMOMM METHOD; ALTERNATING COPOLYMERIZATION; MECHANISTIC ASPECTS; CARBON-MONOXIDE; WATER; STABILIZATION; COMPLEXES; CATALYSIS AB We applied the ONIOM-molecular dynamics (MD) method to the hydrolytic deamination of cytidine by cytidine deaminase, which is an essential step of the activation process of the anticancer drug inside the human body. The direct MD simulations were performed for the realistic model of cytidine deaminase by calculating the energy and its gradient by the ab initio ONIOM method on the fly. The ONIOM-MD calculations including the thermal motion show that the neighboring amino acid residue is an important factor of the environmental effects and significantly affects not only the geometry and energy of the substrate trapped in the pocket of the active site but also the elementary step of the catalytic reaction. We successfully simulate the second half of the catalytic cycle, which has been considered to involve the rate-determining step, and reveal that the rate-determining step is the release of the NH3 molecule. C1 Hiroshima Univ, Ctr Quantum Life Sci, Hiroshima 7398530, Japan. Hiroshima Univ, Grad Sch Sci, Hiroshima 7398530, Japan. Pacific NW Natl Lab, Div Chem Sci, Richland, WA 99352 USA. RP Aida, M (reprint author), Hiroshima Univ, Ctr Quantum Life Sci, 1-3-1 Kagamiyama, Hiroshima 7398530, Japan. EM matsu05@hiroshima-u.ac.jp RI Aida, Misako/D-1670-2010 OI Aida, Misako/0000-0001-8788-1071 NR 29 TC 12 Z9 12 U1 1 U2 5 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 1520-6106 J9 J PHYS CHEM B JI J. Phys. Chem. B PD AUG 23 PY 2007 VL 111 IS 33 BP 9965 EP 9974 DI 10.1021/jp072732k PG 10 WC Chemistry, Physical SC Chemistry GA 200JF UT WOS:000248759000036 PM 17661509 ER PT J AU Bao, YP Zhong, C Vu, DM Temirov, JP Dyer, RB Martinez, JS AF Bao, Yuping Zhong, Chang Vu, Dung M. Temirov, Jamshid P. Dyer, R. Brian Martinez, Jennifer S. TI Nanoparticle-free synthesis of fluorescent gold nanoclusters at physiological temperature SO JOURNAL OF PHYSICAL CHEMISTRY C LA English DT Article ID INFRARED LUMINESCENCE; SINGLE BIOMOLECULES; PHOTOLUMINESCENCE; CLUSTERS; SPECTROSCOPY; DENDRIMERS; NANOCOMPOSITES; NANOCRYSTALS; DYNAMICS; SIZE AB Few-atom gold nanoclusters exhibit strong size-dependent fluorescence emission. For many applications, these clusters are preferable to quantum dots or organic fluorophores as fluorescent labels. However, the published synthetic procedures to create these nanoclusters involve toxic chemicals, are of low synthetic yield, and concurrently produce large nanoparticles. Here, we report two methods for high-yield synthesis of gold nanoclusters, utilizing physiological temperature and green chemistry. Blue, green, and red emissive nanoclusters with pH stability in a range of 6-8 were produced. C1 Los Alamos Natl Lab, MPA CINT, Los Alamos, NM 87545 USA. Los Alamos Natl Lab, C PCS, Los Alamos, NM 87545 USA. RP Dyer, RB (reprint author), Los Alamos Natl Lab, MPA CINT, Mail Stop K771, Los Alamos, NM 87545 USA. EM bdyer@lanl.gov; jenm@lanl.gov OI Vu, Dung/0000-0002-3707-4439 NR 32 TC 121 Z9 122 U1 4 U2 45 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 1932-7447 J9 J PHYS CHEM C JI J. Phys. Chem. C PD AUG 23 PY 2007 VL 111 IS 33 BP 12194 EP 12198 DI 10.1021/jp071727d PG 5 WC Chemistry, Physical; Nanoscience & Nanotechnology; Materials Science, Multidisciplinary SC Chemistry; Science & Technology - Other Topics; Materials Science GA 200JL UT WOS:000248759600012 ER PT J AU Zhang, YW Grass, ME Habas, SE Tao, F Zhang, TF Yang, PD Somorjai, GA AF Zhang, Yawen Grass, Michael E. Habas, Susan E. Tao, Feng Zhang, Tianfu Yang, Peidong Somorjai, Gabor A. TI One-step polyol synthesis and langmuir-blodgett monolayer formation of size-tunable monodisperse rhodium nanocrystals with catalytically active (111) surface structures SO JOURNAL OF PHYSICAL CHEMISTRY C LA English DT Article ID ELECTRON-TRANSFER REACTION; PLATINUM NANOPARTICLES; COLLOIDAL SOLUTION; SHAPE; HYDROGENATION; CATALYST; TRANSITION; SCATTERING; STABILITY; IRIDIUM AB Size-tunable monodisperse Rh nanocrystals can offer unique properties for many heterogeneous catalytic reactions (such as hydrogenation, hydroformylation, and hydrocarbonylation) of both scientific and technological interest. In this article, we report the synthesis of monodisperse, well-shaped Rh nanocrystals in a range of 5-15 nm by a one-step polyol reduction at temperatures of 170-230 degrees C under Ar, using rhodium(III) acetylacetonate [Rh(acac)(3)] as the source of metal ions, 1,4-butanediol as the reducing solvent, and poly(vinylpyrrolidone) as the capping agent. Two-dimensional projects of the nanocrystals are polygons, dominated by hexagons, pentagons, and triangles with catalytically active (111) surfaces (> 65% yield). Over 45% of the polygons are multiple (111) twinned particles (hexagons and pentagons), favored by thermodynamics. To achieve size uniformity, adjustment of the reduction kinetics of Rh(acac)(3) in the nucleation and crystal growth stages has been shown to depend upon several synthetic parameters including an Ar or air atmosphere, reaction temperature and time, and Rh(acac)(3) concentration. Due to the present well-controlled polyol reduction kinetics, the size of the Rh nanocrystals can be tuned by changing the Rh(acac)(3) concentration in a proper range. Monolayer films of the Rh polygons have been formed on silicon wafers by the Langmuir-Blodgett method and have been used as model heterogeneous catalysts for the study of ethylene hydrogenation. C1 Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA. Univ Calif Berkeley, Lawrence Berkeley Lab, Div Chem & Mat Sci, Berkeley, CA 94720 USA. Peking Univ, Coll Chem & Mol Engn, Beijing 100871, Peoples R China. Peking Univ, State Key Lab Rare Earth Mat Chem & Applicat, Beijing 100871, Peoples R China. Peking Univ, PKU HKU Joint Lab Rare Earth Mat & Bioinorgan Che, Beijing 100871, Peoples R China. RP Somorjai, GA (reprint author), Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA. EM somorjai@berkeley.edu NR 42 TC 93 Z9 95 U1 4 U2 65 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 1932-7447 J9 J PHYS CHEM C JI J. Phys. Chem. C PD AUG 23 PY 2007 VL 111 IS 33 BP 12243 EP 12253 DI 10.1021/jp073350h PG 11 WC Chemistry, Physical; Nanoscience & Nanotechnology; Materials Science, Multidisciplinary SC Chemistry; Science & Technology - Other Topics; Materials Science GA 200JL UT WOS:000248759600019 ER PT J AU Wang, JX Springer, TE Liu, P Shao, MH Adzic, RR AF Wang, Jia. X. Springer, Thomas E. Liu, Ping Shao, Minhua Adzic, Radoslav R. TI Hydrogen oxidation reaction on Pt in acidic media: Adsorption isotherm and activation free energies SO JOURNAL OF PHYSICAL CHEMISTRY C LA English DT Article ID J.-ELECTROCHEM.-SOC.; EXCHANGE CURRENT; J23 (2005); EVOLUTION; PLATINUM; ELECTROOXIDATION; ELECTRODES; PT(111); TRENDS; H-2 AB We present a method for quantifying the kinetic current of the hydrogen oxidation reaction (HOR) on Pt in acidic media using the adsorption and activation free energies as the intrinsic kinetic parameters. Our approach involves deriving the HOR intermediate's adsorption isotherm based on the same dual-pathway reaction model as for the kinetic equation. Coupled with density functional theory calculations of the coverage- and site-dependent hydrogen dissociation free energies, we analyzed the adsorption isotherms for H on atop (H-Atop) sites and in hollow/bridge (H-H/B) sites obtained respectively from infrared spectroscopic and electrochemical measurements. Although the hydrogen dissociative adsorption energy is not site-sensitive on Pt, H-Atop has an order of magnitude lower coverage and higher activity than H-H/B. We attributed this distinction to their different entropies; H-H/B is less accessible to water than H-Atop, and the formation of a hydrogen bond is essential in the oxidative generation of H3O+. Using volcano plots, we illustrated possible ways that the exchange current may vary with the adsorption free energy and discussed the factors that contributed to the exceptionally high activity of Pt for the HOR. C1 Brookhaven Natl Lab, Dept Chem, Upton, NY 11973 USA. Los Alamos Natl Lab, Elect & Electrochem Mat & Devices Grp, Los Alamos, NM 87545 USA. RP Wang, JX (reprint author), Brookhaven Natl Lab, Dept Chem, Upton, NY 11973 USA. EM jia@bnl.gov RI Wang, Jia/B-6346-2011; OI Shao, Minhua/0000-0003-4496-0057 NR 37 TC 24 Z9 24 U1 2 U2 34 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 1932-7447 J9 J PHYS CHEM C JI J. Phys. Chem. C PD AUG 23 PY 2007 VL 111 IS 33 BP 12425 EP 12433 DI 10.1021/jp073400i PG 9 WC Chemistry, Physical; Nanoscience & Nanotechnology; Materials Science, Multidisciplinary SC Chemistry; Science & Technology - Other Topics; Materials Science GA 200JL UT WOS:000248759600043 ER PT J AU Coker, EN Steen, WA Miller, JE AF Coker, Eric N. Steen, William A. Miller, James E. TI Zeolite-templated Pt/C electrocatalysts SO MICROPOROUS AND MESOPOROUS MATERIALS LA English DT Article DE Pt cluster; electrocatalyst; activation energy; porous carbon; thermal treatment ID HIGHLY DISPERSED PALLADIUM; METAL-CLUSTERS; PARTICLE-SIZE; TETRAAMMINE IMPREGNATION; PLATINUM NANOPARTICLES; HYDROGEN CHEMISORPTION; CATALYTIC-ACTIVITY; REACTION-KINETICS; ELEMENTARY STEPS; OXYGEN REDUCTION AB In an effort to reduce the amount of platinum required in low temperature fuel cells, we have prepared electrocatalysts of platinum nanoparticles-on-carbon through zeolite-templating methods. Several different zeolite structure-types, as well as clays and mesoporous silicas were investigated as hosts for the preparation of small Pt clusters through thermal decomposition of ion exchanged (NH3)4Pt(2+). Several factors relating to cluster confinement and mobility influence cluster size, and clusters below 1 nm with narrow size distribution have been prepared. To enable electrochemical application, the pores of the Pt cluster-containing zeolite were filled with electrically conductive carbon via infiltration with carbon precursors, polymerization, and pyrolysis. The zeolite host was then removed by acid digestion, to leave a micro-/mesoporous Pt/C electrocatalyst possessing Pt clusters of controlled size. Preliminary electrochemical evaluation of these catalysts is reported. The energetics of thermal decomposition of (NH3)(4)Pt2+ to form Pt clusters in zeolite X have been investigated through Differential Scanning Calorimetry, and apparent activation energies calculated. The relationship between (NH3)4Pt2+ decomposition and conditions of calcination has been explored in an effort to better control Pt cluster sizes. (C) 2007 Elsevier Inc. All rights reserved. C1 Sandia Natl Labs, Albuquerque, NM 87185 USA. RP Coker, EN (reprint author), Sandia Natl Labs, POB 5800, Albuquerque, NM 87185 USA. EM encoker@sandia.gov RI Miller, James/C-1128-2011; ID, MRCAT/G-7586-2011 OI Miller, James/0000-0001-6811-6948; NR 65 TC 12 Z9 12 U1 1 U2 15 PU ELSEVIER SCIENCE BV PI AMSTERDAM PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS SN 1387-1811 EI 1873-3093 J9 MICROPOR MESOPOR MAT JI Microporous Mesoporous Mat. PD AUG 23 PY 2007 VL 104 IS 1-3 BP 236 EP 247 DI 10.1016/j.micromeso.2007.02.044 PG 12 WC Chemistry, Applied; Chemistry, Physical; Nanoscience & Nanotechnology; Materials Science, Multidisciplinary SC Chemistry; Science & Technology - Other Topics; Materials Science GA 206BV UT WOS:000249159800030 ER PT J AU Fabian, M Jovari, P Svab, E Meszaros, G Proffen, T Veress, E AF Fabian, M. Jovari, P. Svab, E. Meszaros, Gy Proffen, T. Veress, E. TI Network structure of 0.7SiO(2)-0.3Na(2)O glass from neutron and x-ray diffraction and RMC modelling SO JOURNAL OF PHYSICS-CONDENSED MATTER LA English DT Article; Proceedings Paper CT 3rd Workshop on Reverse Monte Carlo Methods CY SEP 28-30, 2006 CL Budapest, HUNGARY ID SODIUM-SILICATE GLASSES; RANGE ORDER; COMPUTER-SIMULATION; DISILICATE GLASS; MAS-NMR; DYNAMICS; TEMPERATURE; SPECTROSCOPY; SCATTERING AB The structure of 0.7SiO(2)-0.3Na(2)O glass was investigated by means of neutron and high-energy x-ray diffraction. The maximum momentum transfer was 35 and 23.5 angstrom(-1) for the two experiments. The two datasets were modelled simultaneously by the reverse Monte Carlo simulation technique. By using reasonable constraints it was possible to separate the six partial pair correlation functions. Nearest neighbour distances, coordination numbers and bond angle distributions have been revealed. It was found that 63% of the O atoms are in the bridging position. The Na-O distance is 2.29 angstrom and the coordination number is 2.5. The Na-Na nearest neighbour distance is 2.6 angstrom, a value significantly smaller than previously reported. Neighbouring sodium ions tend to be located at the same oxygen atom. The average Si-O ring size is 7.6. C1 Res Inst Solid State Phys & Opt, H-1525 Budapest, Hungary. Manuel Lujan Jr Neutron Scattering Ctr, Los Alamos Natl Lab, Los Alamos, NM 87545 USA. Univ Babes Bolyai, Fac Chem, R-3400 Cluj Napoca, Romania. RP Fabian, M (reprint author), Res Inst Solid State Phys & Opt, POB 49, H-1525 Budapest, Hungary. EM fabian@szfki.hu; jovari@sunserv.kfki.hu; svab@szfki.hu RI Fabian, Margit/C-7210-2011; Lujan Center, LANL/G-4896-2012; Proffen, Thomas/B-3585-2009 OI Proffen, Thomas/0000-0002-1408-6031 NR 30 TC 13 Z9 14 U1 0 U2 8 PU IOP PUBLISHING LTD PI BRISTOL PA DIRAC HOUSE, TEMPLE BACK, BRISTOL BS1 6BE, ENGLAND SN 0953-8984 J9 J PHYS-CONDENS MAT JI J. Phys.-Condes. Matter PD AUG 22 PY 2007 VL 19 IS 33 AR 335209 DI 10.1088/0953-8984/19/33/335209 PG 11 WC Physics, Condensed Matter SC Physics GA 192FJ UT WOS:000248185900010 PM 21694132 ER PT J AU Farrow, CL Juhas, P Liu, JW Bryndin, D Bozin, ES Bloch, J Proffen, T Billinge, SJL AF Farrow, C. L. Juhas, P. Liu, J. W. Bryndin, D. Bozin, E. S. Bloch, J. Proffen, Th Billinge, S. J. L. TI PDFfit2 and PDFgui: computer programs for studying nanostructure in crystals SO JOURNAL OF PHYSICS-CONDENSED MATTER LA English DT Article; Proceedings Paper CT 3rd Workshop on Reverse Monte Carlo Methods CY SEP 28-30, 2006 CL Budapest, HUNGARY ID PAIR DISTRIBUTION FUNCTION; DIFFRACTION; DISORDER AB PDFfit2 is a program as well as a library for real-space refinement of crystal structures. It is capable of fitting a theoretical three-dimensional (3D) structure to atomic pair distribution function data and is ideal for nanoscale investigations. The fit system accounts for lattice constants, atomic positions and anisotropic atomic displacement parameters, correlated atomic motion, and experimental factors that may affect the data. The atomic positions and thermal coefficients can be constrained to follow the symmetry requirements of an arbitrary space group. The PDFfit2 engine is written in C++ and is accessible via Python, allowing it to inter-operate with other Python programs. PDFgui is a graphical interface built on the PDFfit2 engine. PDFgui organizes fits and simplifies many data analysis tasks, such as configuring and plotting multiple fits. PDFfit2 and PDFgui are freely available via the Internet. C1 Michigan State Univ, Dept Phys & Astron, E Lansing, MI 48824 USA. Univ Regensburg, Inst Theoret Phys, D-93040 Regensburg, Germany. Los Alamos Natl Lab, Manuel Lujan Jr Neutron Scattering Ctr, Los Alamos, NM 87545 USA. Michigan State Univ, Dept Comp Sci & Engn, E Lansing, MI 48824 USA. RP Farrow, CL (reprint author), Michigan State Univ, Dept Phys & Astron, E Lansing, MI 48824 USA. EM billinge@pa.msu.edu RI Juhas, Pavol/A-6544-2008; Bozin, Emil/E-4679-2011; Lujan Center, LANL/G-4896-2012; Proffen, Thomas/B-3585-2009 OI Juhas, Pavol/0000-0001-8751-4458; Proffen, Thomas/0000-0002-1408-6031 NR 28 TC 519 Z9 520 U1 11 U2 106 PU IOP PUBLISHING LTD PI BRISTOL PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND SN 0953-8984 J9 J PHYS-CONDENS MAT JI J. Phys.-Condes. Matter PD AUG 22 PY 2007 VL 19 IS 33 AR 335219 DI 10.1088/0953-8984/19/33/335219 PG 7 WC Physics, Condensed Matter SC Physics GA 192FJ UT WOS:000248185900020 PM 21694142 ER PT J AU Ji, N Ostroverkhov, V Chen, CY Shen, YR AF Ji, Na Ostroverkhov, Victor Chen, Chao-Yuan Shen, Yuen-Ron TI Phase-sensitive sum-frequency vibrational spectroscopy and its application to studies of interfacial alkyl chains SO JOURNAL OF THE AMERICAN CHEMICAL SOCIETY LA English DT Article ID GENERATION; SURFACE; MONOLAYERS AB The first general phase-sensitive sum-frequency vibrational spectroscopy (SFVS) was described, which recovers the phase information lost in conventional SFVS measurements. Using a self-assembled monolayer, we demonstrated that this novel technique measures the absolute orientation of surface molecular moieties and is very powerful in resolving spectral features. C1 Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA. Univ Calif Berkeley, Lawrence Berkeley Lab, Div Mat Sci, Berkeley, CA 94720 USA. RP Shen, YR (reprint author), Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA. EM yrshen@calmail.berkeley.edu NR 13 TC 114 Z9 114 U1 5 U2 46 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0002-7863 J9 J AM CHEM SOC JI J. Am. Chem. Soc. PD AUG 22 PY 2007 VL 129 IS 33 BP 10056 EP + DI 10.1021/ja071989t PG 3 WC Chemistry, Multidisciplinary SC Chemistry GA 202IY UT WOS:000248896400006 PM 17661466 ER PT J AU Chapman, KW Chupas, PJ AF Chapman, Karena W. Chupas, Peter J. TI Pressure enhancement of negative thermal expansion behavior and induced framework softening in zinc cyanide SO JOURNAL OF THE AMERICAN CHEMICAL SOCIETY LA English DT Article ID PHASE-TRANSITIONS; SINGLE-CRYSTAL; MINERALS; COMPRESSIBILITY; TEMPERATURE; ZN(CN)(2); ZRW2O8; ZN; CD AB The pressure-dependent structure and functionality of the coordination framework material zinc cyanide, Zn(CN)(2), has been explored using in situ neutron powder diffraction. A third-order Birch-Murnaghan equation of state fit to variable pressure (0-0.6 GPa) data collected at ambient temperature (K-0 = 34.19(21) GPa, K-0' = -6.0(7)) shows that, contrary to behavior observed for typical materials, the Zn(CN)(2) framework becomes more compressible at higher pressures. Variable temperature (50-300 K) data collected at 0.2 and 0.4 GPa indicate that the negative thermal expansion effect in Zn(CN)(2) becomes more pronounced at pressure with the coefficient of thermal expansion (alpha = dT/ldl) varying by ca. -1 x 10(-6) K-1 per 0.2 GPa applied pressure up to an average (50-300 K) value of -19.42(23) x 10(-6) K-1 at 0.4 GPa. Both these unusual phenomena have been linked to increased framework flexibility at high pressure. C1 Argonne Natl Lab, Adv Photon Source, Xray Sci Div, Argonne, IL 60439 USA. RP Chapman, KW (reprint author), Argonne Natl Lab, Adv Photon Source, Xray Sci Div, Argonne, IL 60439 USA. EM chapmank@aps.anl.gov; chupas@anl.gov RI Chapman, Karena/G-5424-2012 NR 27 TC 42 Z9 42 U1 1 U2 26 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0002-7863 J9 J AM CHEM SOC JI J. Am. Chem. Soc. PD AUG 22 PY 2007 VL 129 IS 33 BP 10090 EP + DI 10.1021/ja073791e PG 3 WC Chemistry, Multidisciplinary SC Chemistry GA 202IY UT WOS:000248896400023 PM 17655238 ER PT J AU Creutz, C Chou, MH AF Creutz, Carol Chou, Mei H. TI Rapid transfer of hydride ion from a ruthenium complex to C-1 species in water SO JOURNAL OF THE AMERICAN CHEMICAL SOCIETY LA English DT Article ID ACIDIC CONDITIONS; CARBON-DIOXIDE; SUBSTITUTION REACTIONS; AQUA COMPLEXES; CO2; REDUCTION; BIS(2,2'-BIPYRIDINE); HYDROGENATION; KINETICS; DONOR AB Solvent water (Gutmann acceptor number, AN = 55) accelerates the rate of reaction of Ru(terpy)(bpy)H+ with CO2 by more than 4 orders of magnitude compared to acetonitrile (AN 18.9) (as reported in Inorg. Chim. Acta 2000, 299, 155). Water also promotes the related reductions of carbon monoxide to formaldehyde and of formaldehyde to methanol by the ruthenium(II) hydride complex. C1 Brookhaven Natl Lab, Dept Chem, Upton, NY 11973 USA. RP Creutz, C (reprint author), Brookhaven Natl Lab, Dept Chem, Upton, NY 11973 USA. EM ccreutz@bnl.gov NR 22 TC 41 Z9 41 U1 0 U2 13 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0002-7863 J9 J AM CHEM SOC JI J. Am. Chem. Soc. PD AUG 22 PY 2007 VL 129 IS 33 BP 10108 EP + DI 10.1021/ja074158w PG 3 WC Chemistry, Multidisciplinary SC Chemistry GA 202IY UT WOS:000248896400032 PM 17661471 ER PT J AU Asthagiri, D Ashbaugh, HS Piryatinski, A Paulaitis, ME Pratt, LR AF Asthagiri, D. Ashbaugh, H. S. Piryatinski, A. Paulaitis, M. E. Pratt, L. R. TI Non-van der waals treatment of the hydrophobic solubilities of CF4 SO JOURNAL OF THE AMERICAN CHEMICAL SOCIETY LA English DT Article ID QUASI-CHEMICAL THEORY; NEOPENTANE INDUCE; MOLECULAR-DYNAMICS; WATER-STRUCTURE; LIQUID-STATE; HYDRATION; SOLUTES; SURFACES; PERFLUOROALKANES; SIMULATIONS AB A quasi-chemical theory implemented on the basis of molecular simulation is derived and tested for the hydrophobic hydration of CF4(aq). The theory formulated here subsumes a van der Waals treatment of solvation and identifies contributions to the hydration free energy of CF4(aq) that naturally arise from chemical contributions defined by quasi-chemical theory and fluctuation contributions analogous to Debye-HUckel or random phase approximations. The resulting Gaussian statistical thermodynamic model avoids consideration of hypothetical drying-then-rewetting problems and is physically reliable in these applications as judged by the size of the fluctuation contribution. The specific results here confirm that unfavorable tails of binding energy distributions reflect few-body close solute-solvent encounters. The solvent near-neighbors are pushed by the medium into unfavorable interactions with the solute, in contrast to the alternative view that a preformed interface is pulled by the solute-solvent attractive interactions into contact with the solute. The polyatomic model of CF4(aq) studied gives a satisfactory description of the experimental solubilities including the temperature dependence. The proximal distributions evaluated here for polyatomic solutes accurately reconstruct the observed distributions of water near these molecules which are nonspherical. These results suggest that drying is not an essential consideration for the hydrophobic solubilities of CF4, or of C(CH3)(4) which is more soluble. C1 Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA. Ohio State Univ, Dept Chem & Biomol Engn, Columbus, OH 43210 USA. Tulane Univ, Dept Chem & Biomol Engn, New Orleans, LA 70118 USA. Johns Hopkins Univ, Dept Chem & Biomol Engn, Baltimore, MD 21218 USA. RP Pratt, LR (reprint author), Los Alamos Natl Lab, Div Theoret, POB 1663, Los Alamos, NM 87545 USA. EM lrp@lanl.gov RI Piryatinski, Andrei/B-5543-2009; Asthagiri, Dilipkumar/A-3383-2010; Pratt, Lawrence/H-7955-2012; Ashbaugh, Henry/C-9767-2011; Asthagiri, Dilipkumar/P-9450-2016 OI Pratt, Lawrence/0000-0003-2351-7451; Asthagiri, Dilipkumar/0000-0001-5869-0807 NR 53 TC 31 Z9 31 U1 1 U2 19 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0002-7863 J9 J AM CHEM SOC JI J. Am. Chem. Soc. PD AUG 22 PY 2007 VL 129 IS 33 BP 10133 EP 10140 DI 10.1021/ja071037n PG 8 WC Chemistry, Multidisciplinary SC Chemistry GA 202IY UT WOS:000248896400037 PM 17661465 ER PT J AU Belau, L Wheeler, SE Ticknor, BW Ahmed, M Leone, SR Allen, WD Schaefer, HF Duncan, MA AF Belau, Leonid Wheeler, Steven E. Ticknor, Brian W. Ahmed, Musahid Leone, Stephen R. Allen, Wesley D. Schaefer, Henry F., III Duncan, Michael A. TI Ionization thresholds of small carbon clusters: Tunable VUV experiments and theory SO JOURNAL OF THE AMERICAN CHEMICAL SOCIETY LA English DT Review ID DENSITY-FUNCTIONAL THEORY; VALENCE ONE-ELECTRON; MULTIREFERENCE CONFIGURATION-INTERACTION; FULLERENE IONS C-N(+); FULL CCSDT MODEL; 10.5 EV PHOTONS; COUPLED-CLUSTER; AB-INITIO; C-N; SYMMETRY-BREAKING AB Small carbon clusters (C(n), n = 2-15) are produced in a molecular beam by pulsed laser vaporization and studied with vacuum ultraviolet (VUV) photoionization mass spectrometry. The required VUV radiation in the 8-12 eV range is provided by the Advanced Light Source (ALS) at the Lawrence Berkeley National Laboratory. Mass spectra at various ionization energies reveal the qualitative relative abundances of the neutral carbon clusters produced. By far the most abundant species is C(3). Using the tunability of the ALS, ionization threshold spectra are recorded for the clusters up to 15 atoms in size. The ionization thresholds are compared to those measured previously with charge-transfer bracketing methods. To interpret the ionization thresholds for different cluster sizes, new ab initio calculations are carried out on the clusters for n = 4-10. Geometric structures are optimized at the CCSD(T) level with cc-pVTZ (or cc-pVDZ) basis sets, and focal point extrapolations are applied to both neutral and cation species to determine adiabatic and vertical ionization potentials. The comparison of computed and measured ionization potentials makes it possible to investigate the isomeric structures of the neutral clusters produced in this experiment. The measurements are inconclusive for the n = 4-6 species because of unquenched excited electronic states. However, the data provide evidence for the prominence of linear structures for the n = 7, 9, 11, 13 species and the presence of cyclic C(10). C1 Univ Georgia, Dept Chem, Athens, GA 30602 USA. Univ Calif Berkeley, Dept Chem & Phys, Berkeley, CA 94720 USA. Univ Calif Berkeley, Lawrence Berkeley Lab, Div Chem Sci, Berkeley, CA 94720 USA. RP Duncan, MA (reprint author), Univ Georgia, Dept Chem, Athens, GA 30602 USA. EM maduncan@uga.edu RI Ahmed, Musahid/A-8733-2009; Allen, Wesley/C-9867-2010; Wheeler, Steven/G-5834-2011; Ticknor, Brian/M-2329-2016 OI Allen, Wesley/0000-0002-4288-2297; Wheeler, Steven/0000-0001-7824-6906; Ticknor, Brian/0000-0002-2867-9073 NR 162 TC 43 Z9 44 U1 0 U2 17 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0002-7863 J9 J AM CHEM SOC JI J. Am. Chem. Soc. PD AUG 22 PY 2007 VL 129 IS 33 BP 10229 EP 10243 DI 10.1021/ja072526q PG 15 WC Chemistry, Multidisciplinary SC Chemistry GA 202IY UT WOS:000248896400049 PM 17655303 ER PT J AU Rodriguez, EE Poineau, F Llobet, A Sattelberger, AP Bhattacharjee, J Waghmare, UV Hartmann, T Cheetham, AK AF Rodriguez, Efrain E. Poineau, Frederic Llobet, Anna Sattelberger, Alfred P. Bhattacharjee, Joydeep Waghmare, Umesh V. Hartmann, Thomas Cheetham, Anthony K. TI Structural studies of TcO2 by neutron powder diffraction and first-principles calculations SO JOURNAL OF THE AMERICAN CHEMICAL SOCIETY LA English DT Article ID CRYSTAL CHEMISTRY; METAL DIOXIDES; RUTILE; OXIDES; MOO2 AB Crystalline technetium dioxide was prepared and for the first time its crystal structure determined by neutron powder diffraction. In addition, electronic structure calculations using density functional theory were performed to further elucidate the bonding mechanisms in TcO2. The crystal structure determined by Rietveld analysis with the NPD data is of a distorted rutile type, similar to that of MoO2; space group P2(1)/c, a = 5.6891(1), b = 4.7546(1), c = 5.5195(1) A, and beta = 121.453(1)degrees. The NPD analysis also establishes a new neutron scattering length of 6.00(3) fm for Tc-99. Our results clearly show metal-metal bonding between Tc pairs along the edge-sharing chains of TcO6 octahedra. The Tc-Tc bond was found to be 2.622(1) A from NPD profile analysis and 2.59 A from first-principles DFT calculations. The bond is somewhat longer than expected from earlier predictions, suggesting that the nature of the Tc-Tc interaction is weaker than anticipated for the Tc(IV) cation with three outer electrons. The NPD results supported by the DFT calculations suggest that the filling of antibonding orbitals and the influence of the crystal field stabilization of the d(3) Tc cations lead to more regular TcO6 octahedra and diminish the metal-metal bond strength compared with closely related oxides such MoO2 and WO2. C1 Univ Calif Santa Barbara, Mat Res Lab, Santa Barbara, CA 93106 USA. Los Alamos Natl Lab, Manuel Lujan Jr Neutron Scattering Ctr, Los Alamos, NM 87545 USA. Univ Nevada, Harry Reid Ctr Environm Studies, Las Vegas, NV 89154 USA. Jawaharlal Nehru Ctr Adv Sci Res, Theoret Sci Unit, Bangalore 560064, Karnataka, India. RP Cheetham, AK (reprint author), Univ Calif Santa Barbara, Mat Res Lab, Santa Barbara, CA 93106 USA. EM cheetham@mrl.ucsb.edu RI Llobet, Anna/B-1672-2010; Lujan Center, LANL/G-4896-2012 NR 26 TC 34 Z9 34 U1 0 U2 40 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0002-7863 J9 J AM CHEM SOC JI J. Am. Chem. Soc. PD AUG 22 PY 2007 VL 129 IS 33 BP 10244 EP 10248 DI 10.1021/ja0727363 PG 5 WC Chemistry, Multidisciplinary SC Chemistry GA 202IY UT WOS:000248896400050 PM 17655304 ER PT J AU Ahn, JH Bertoni, C Dunn, S Wang, CS Talapin, DV Gaponik, N Eychmuller, A Hua, YL Bryce, MR Petty, MC AF Ahn, Jin H. Bertoni, Cristina Dunn, Steve Wang, Changsheng Talapin, Dmitri V. Gaponik, Nikolai Eychmueller, Alexander Hua, Yulin Bryce, Martin R. Petty, Michael C. TI White organic light-emitting devices incorporating nanoparticles of II-VI semiconductors SO NANOTECHNOLOGY LA English DT Article ID CDSE NANOCRYSTALS; SOLID-STATE; DIODES; ELECTROLUMINESCENCE; COMPOSITES; MOLECULES; POLYMER AB A blue-green fluorescent organic dye and red-emitting nanoparticles, based on II-VI semiconductors, have been used together in the fabrication of white organic light-emitting devices. In this work, the materials were combined in two different ways: in the form of a blend, and as separate layers deposited on the opposite sides of the substrate. The blended-layer structure provided purer white emission. However, this device also exhibited a number of disadvantages, namely a high drive voltage, a low efficiency and some colour instability. These problems could be avoided by using a device structure that was fabricated using separate dye and nanoparticle layers. C1 Univ Durham, Sch Engn, Durham DH1 3LE, England. Univ Durham, Ctr Mol & Nanoscale Elect, Durham DH1 3LE, England. Cranfield Univ, Sch Appl Sci, Dept Mat, Nanotechnol Ctr, Cranfield MK43 0AL, Beds, England. Univ Durham, Dept Chem, Durham DH1 3LE, England. Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA. TU Dresden, D-01062 Dresden, Germany. Tianjin Univ Technol, Inst Mat Phys, Tianjin 300191, Peoples R China. RP Petty, MC (reprint author), Univ Durham, Sch Engn, South Rd, Durham DH1 3LE, England. EM m.c.petty@durham.ac.uk RI Dunn, Steve/C-6709-2009; Eychmuller, Alexander/G-2354-2010; Petty, Michael/C-4699-2012; OI Petty, Michael/0000-0001-5783-678X; Gaponik, Nikolai/0000-0002-8827-2881 NR 21 TC 19 Z9 19 U1 1 U2 13 PU IOP PUBLISHING LTD PI BRISTOL PA DIRAC HOUSE, TEMPLE BACK, BRISTOL BS1 6BE, ENGLAND SN 0957-4484 J9 NANOTECHNOLOGY JI Nanotechnology PD AUG 22 PY 2007 VL 18 IS 33 AR 335202 DI 10.1088/0957-4484/18/33/335202 PG 7 WC Nanoscience & Nanotechnology; Materials Science, Multidisciplinary; Physics, Applied SC Science & Technology - Other Topics; Materials Science; Physics GA 207VB UT WOS:000249278100002 ER PT J AU Guan, YF Melechko, AV Pedraza, AJ Simpson, ML Rack, PD AF Guan, Y. F. Melechko, A. V. Pedraza, A. J. Simpson, M. L. Rack, P. D. TI Non-lithographic organization of nickel catalyst for carbon nanofiber synthesis on laser-induced periodic surface structures SO NANOTECHNOLOGY LA English DT Article ID CHEMICAL-VAPOR-DEPOSITION; INTERFERENCE LITHOGRAPHY; SEMICONDUCTOR NANOWIRES; NANOSTRUCTURES; GROWTH; SILICON; ARRAYS; NANOPARTICLES; IRRADIATION; TECHNOLOGY AB We present a non-lithographic technique that produces organized nanoscale nickel catalyst for carbon nanofiber growth on a silicon substrate. This technique involves three consecutive steps: first, the substrate is laser-irradiated to produce a periodic nanorippled structure; second, a thin film of nickel is deposited using glancing-angle ion-beam sputter deposition, followed by heat treatment, and third, a catalytic dc plasma-enhanced chemical vapor deposition (PECVD) process is conducted to produce the vertically aligned carbon nanofibers (VACNF). The nickel catalyst is distributed along the laser-induced periodic surface structure (LIPSS) and the Ni particle dimension varies as a function of the location on the LIPSS and is correlated to the nanoripple dimensions. The glancing angle, the distance between the ion beam collimators and the total deposition time all play important roles in determining the final catalyst size and subsequent carbon nanofiber properties. Due to the gradual aspect ratio change of the nanoripples across the sample, Ni catalyst nanoparticles of different dimensions were obtained. After the prescribed three minute PECVD growth, it was observed that, in order for the carbon nanofibers to survive, the nickel catalyst dimension should be larger than a critical value of similar to 19 nm, below which the Ni is insufficient to sustain carbon nanofiber growth. C1 Univ Tennessee, Dept Mat Sci & Engn, Knoxville, TN 37996 USA. Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA. RP Rack, PD (reprint author), Univ Tennessee, Dept Mat Sci & Engn, Knoxville, TN 37996 USA. EM prack@utk.edu RI Melechko, Anatoli/B-8820-2008; Simpson, Michael/A-8410-2011; OI Simpson, Michael/0000-0002-3933-3457; Rack, Philip/0000-0002-9964-3254 NR 36 TC 7 Z9 7 U1 1 U2 10 PU IOP PUBLISHING LTD PI BRISTOL PA DIRAC HOUSE, TEMPLE BACK, BRISTOL BS1 6BE, ENGLAND SN 0957-4484 J9 NANOTECHNOLOGY JI Nanotechnology PD AUG 22 PY 2007 VL 18 IS 33 AR 335306 DI 10.1088/0957-4484/18/33/335306 PG 7 WC Nanoscience & Nanotechnology; Materials Science, Multidisciplinary; Physics, Applied SC Science & Technology - Other Topics; Materials Science; Physics GA 207VB UT WOS:000249278100010 ER PT J AU Auerbach, RK Tuanyok, A Probert, WS Kenefic, L Vogler, AJ Bruce, DC Munk, C Brettin, TS Eppinger, M Ravel, J Wagner, DM Keim, P AF Auerbach, Raymond K. Tuanyok, Apichai Probert, William S. Kenefic, Leo Vogler, Amy J. Bruce, David C. Munk, Christine Brettin, Thomas S. Eppinger, Mark Ravel, Jacques Wagner, David M. Keim, Paul TI Yersinia pestis Evolution on a Small Timescale: Comparison of Whole Genome Sequences from North America SO PLOS ONE LA English DT Article AB Background. Yersinia pestis, the etiologic agent of plague, was responsible for several devastating epidemics throughout history and is currently of global importance to current public heath and biodefense efforts. Y. pestis is widespread in the Western United States. Because Y. pestis was first introduced to this region just over 100 years ago, there has been little time for genetic diversity to accumulate. Recent studies based upon single nucleotide polymorphisms have begun to quantify the genetic diversity of Y. pestis in North America. Methodology/Principal Findings. To examine the evolution of Y. pestis in North America, a gapped genome sequence of CA88-4125 was generated. Sequence comparison with another North American Y. pestis strain, CO92, identified seven regions of difference (six inversions, one rearrangement), differing IS element copy numbers, and several SNPs. Conclusions/Significance. The relatively large number of inverted/rearranged segments suggests that North American Y. pestis strains may be undergoing inversion fixation at high rates over a short time span, contributing to higher-than-expected diversity in this region. These findings will hopefully encourage the scientific community to sequence additional Y. pestis strains from North America and abroad, leading to a greater understanding of the evolutionary history of this pathogen. C1 [Auerbach, Raymond K.; Tuanyok, Apichai; Kenefic, Leo; Vogler, Amy J.; Wagner, David M.; Keim, Paul] No Arizona Univ, Dept Biol Sci, Flagstaff, AZ 86011 USA. [Bruce, David C.; Munk, Christine; Brettin, Thomas S.] Los Alamos Natl Lab, Biosci Div, Los Alamos, NM USA. [Probert, William S.] Calif Dept Publ Hlth, Microbial Dis Lab, Richmond, CA USA. [Keim, Paul] Translat Genom Res Inst, Pathogen Genom Div, Phoenix, AZ USA. [Eppinger, Mark; Ravel, Jacques] Inst Genom Res, J Craig Venter Inst, Rockville, MD USA. RP Keim, P (reprint author), No Arizona Univ, Dept Biol Sci, Box 5640, Flagstaff, AZ 86011 USA. EM Paul.Keim@nau.edu RI Wagner, David/A-5125-2010; Keim, Paul/A-2269-2010; OI Ravel, Jacques/0000-0002-0851-2233 FU Intelligence Technology Innovation Center [CA88-4125]; National Institute of Allergy and Infectious Diseases, National Institutes of Health, Department of Health and Human Services [NO1-AI-30071] FX Funding for Y. pestis CA88-4125 sequencing was provided by the Intelligence Technology Innovation Center. JR and ME were supported with federal funds from the National Institute of Allergy and Infectious Diseases, National Institutes of Health, Department of Health and Human Services under NIAID contract NO1-AI-30071. NR 22 TC 29 Z9 32 U1 1 U2 6 PU PUBLIC LIBRARY SCIENCE PI SAN FRANCISCO PA 185 BERRY ST, STE 1300, SAN FRANCISCO, CA 94107 USA SN 1932-6203 J9 PLOS ONE JI PLoS One PD AUG 22 PY 2007 VL 2 IS 8 AR e770 DI 10.1371/journal.pone.0000770 PG 6 WC Multidisciplinary Sciences SC Science & Technology - Other Topics GA V10HO UT WOS:000207455300018 PM 17712418 ER PT J AU Su, GW Jasperse, J Seymour, D Constantz, J Zhou, Q AF Su, Grace W. Jasperse, James Seymour, Donald Constantz, James Zhou, Quanlin TI Analysis of pumping-induced unsaturated regions beneath a perennial river SO WATER RESOURCES RESEARCH LA English DT Article ID GROUND-WATER TRACERS; HYDRAULIC CONDUCTIVITY; HYPORHEIC EXCHANGE; STREAM DEPLETION; FIELD; ZONE; FILTRATION; RECHARGE; SYSTEM; IMPACT AB The presence of an unsaturated region beneath a streambed during groundwater pumping near streams can reduce the pumping capacity, change flow paths, and alter the types of biological transformations in the streambed sediments. A three-dimensional, multiphase flow model of two horizontal collector wells along the Russian River near Forestville, California, was developed to investigate the impact of varying the ratio of the aquifer to streambed permeability on (1) the formation of an unsaturated region beneath the stream, (2) the pumping capacity, (3) stream water fluxes through the streambed, and (4) stream water traveltimes to the collector wells. The aquifer to streambed permeability ratio at which the unsaturated region was initially observed ranged from 10 to 100. The size of the unsaturated region beneath the streambed increased as the aquifer to streambed permeability ratio increased. The simulations also indicated that for a particular aquifer permeability, decreasing the streambed permeability by only a factor of 2-3 from the permeability where desaturation initially occurred resulted in reducing the pumping capacity. In some cases, the stream water fluxes increased as the streambed permeability decreased. However, the stream water residence times increased and the fraction of stream water that reached that the wells decreased as the streambed permeability decreased, indicating that a higher streambed flux does not necessarily correlate to greater recharge of stream water around the wells. C1 Lawrence Berkeley Natl Lab, Div Earth Sci, Berkeley, CA 94720 USA. CalStar Cement, Newark, CA USA. Sonoma Cty Water Agcy, Santa Rosa, CA USA. US Geol Survey, Menlo Pk, CA 94025 USA. RP Su, GW (reprint author), Lawrence Berkeley Natl Lab, Div Earth Sci, Berkeley, CA 94720 USA. EM graces@calstarcement.com RI Zhou, Quanlin/B-2455-2009 OI Zhou, Quanlin/0000-0001-6780-7536 NR 32 TC 17 Z9 18 U1 1 U2 15 PU AMER GEOPHYSICAL UNION PI WASHINGTON PA 2000 FLORIDA AVE NW, WASHINGTON, DC 20009 USA SN 0043-1397 J9 WATER RESOUR RES JI Water Resour. Res. PD AUG 22 PY 2007 VL 43 IS 8 AR W08421 DI 10.1029/2006WR005389 PG 14 WC Environmental Sciences; Limnology; Water Resources SC Environmental Sciences & Ecology; Marine & Freshwater Biology; Water Resources GA 204IN UT WOS:000249037300001 ER PT J AU Lin, JF Weir, ST Jackson, DD Evans, WJ Vohra, YK Qiu, W Yoo, CS AF Lin, Jung-Fu Weir, Samuel T. Jackson, Damon D. Evans, William J. Vohra, Yogesh K. Qiu, Wei Yoo, Choong-Shik TI Electrical conductivity of the lower-mantle ferropericlase across the electronic spin transition SO GEOPHYSICAL RESEARCH LETTERS LA English DT Article ID EARTHS LOWER MANTLE; HIGH-PRESSURE; 140 GPA; IRON; MAGNESIOWUSTITE; STABILITY; CORE; MBAR; MECHANISM; COLLAPSE AB Electrical conductivity of the lower-mantle ferropericlase-(Mg-0.75, Fe-0.25) O has been studied using designer diamond anvils to pressures over one megabar and temperatures up to 500 K. The electrical conductivity of ( Mg0.75, Fe0.25)O gradually rises by an order of magnitude up to 50 GPa but decreases by a factor of approximately three between 50 to 70 GPa. This decrease in the electrical conductivity is attributed to the isosymmetric high-spin to low-spin transition of iron in ferropericlase. That is, the electronic spin transition of iron results in a decrease in the mobility and/or density of the charge transfer carriers in the low-spin ferropericlase. The activation energy of the low-spin ferropericlase is 0.27 eV at 101 GPa, consistent with the small polaron conduction ( electronic hopping, charge transfer). Our results indicate that low-spin ferropericlase exhibits lower electrical conductivity than high-spin ferropericlase, which needs to be considered in future geomagnetic models for the lower mantle. C1 Lawrence Livermore Natl Lab, Livermore, CA 94550 USA. Univ Alabama, Dept Phys, Birmingham, W Midlands, England. RP Lin, JF (reprint author), Lawrence Livermore Natl Lab, Livermore, CA 94550 USA. RI Lin, Jung-Fu/B-4917-2011; Weir, Samuel/H-5046-2012 NR 42 TC 42 Z9 46 U1 1 U2 9 PU AMER GEOPHYSICAL UNION PI WASHINGTON PA 2000 FLORIDA AVE NW, WASHINGTON, DC 20009 USA SN 0094-8276 J9 GEOPHYS RES LETT JI Geophys. Res. Lett. PD AUG 21 PY 2007 VL 34 IS 16 AR L16305 DI 10.1029/2007GL030523 PG 4 WC Geosciences, Multidisciplinary SC Geology GA 204EU UT WOS:000249027300005 ER PT J AU Rong, LB Gilchrist, MA Fenga, Z Perelson, AS AF Rong, Libin Gilchrist, Michael A. Fenga, Zhilan Perelson, Alan S. TI Modeling within-host HIV-1 dynamics and the evolution of drug resistance: Trade-offs between viral enzyme function and drug susceptibility SO JOURNAL OF THEORETICAL BIOLOGY LA English DT Article DE HIV-1; drug resistance; viral fitness; mathematical model; viral dynamics ID IMMUNODEFICIENCY-VIRUS TYPE-1; COMBINATION ANTIRETROVIRAL THERAPY; CELL LIFE-SPAN; IN-VIVO; INTRACELLULAR DELAY; PROTEASE INHIBITORS; INFECTED CELL; MATHEMATICAL-ANALYSIS; RAPID TURNOVER; CLEARANCE RATE AB There are many biological steps between viral infection of CD4+ T cells and the production of HIV- I virions. Here we incorporate an eclipse phase, representing the stage in which infected T cells have not started to produce new virus, into a simple HIV- I model. Model calculations suggest that the quicker infected T cells progress from the eclipse stage to the productively infected stage, the more likely that a viral strain will persist. Long-term treatment effectiveness of antiretroviral drugs is often hindered by the frequent emergence of drug resistant virus during therapy. We link drug resistance to both the rate of progression of the eclipse phase and the rate of viral production of the resistant strain, and explore how the resistant strain could evolve to maximize its within-host viral fitness. We obtained the optimal progression rate and the optimal viral production rate, which maximize the fitness of a drug resistant strain in the presence of drugs. We show that the window of opportunity for invasion of drug resistant strains is widened for a higher level of drug efficacy provided that the treatment is not potent enough to eradicate both the sensitive and resistant virus. Published by Elsevier Ltd. C1 Los Alamos Natl Lab, Los Alamos, NM 87545 USA. Purdue Univ, Dept Math, W Lafayette, IN 47907 USA. Univ Tennessee, Dept Ecol & Evolutionary Biol, Knoxville, TN 37996 USA. RP Perelson, AS (reprint author), Los Alamos Natl Lab, MS K710, Los Alamos, NM 87545 USA. EM asp@lanl.gov RI Gilchrist, Michael/A-8209-2008 OI Gilchrist, Michael/0000-0002-6936-0771 FU NCRR NIH HHS [R01 RR006555, R01 RR006555-15, R01 RR006555-16, RR06555]; NIAID NIH HHS [R01 AI028433, AI28433, R37 AI028433, R37 AI028433-16]; NIH HHS [R01 OD011095] NR 64 TC 43 Z9 45 U1 2 U2 5 PU ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD PI LONDON PA 24-28 OVAL RD, LONDON NW1 7DX, ENGLAND SN 0022-5193 J9 J THEOR BIOL JI J. Theor. Biol. PD AUG 21 PY 2007 VL 247 IS 4 BP 804 EP 818 DI 10.1016/j.jtbi.2007.04.014 PG 15 WC Biology; Mathematical & Computational Biology SC Life Sciences & Biomedicine - Other Topics; Mathematical & Computational Biology GA 203RC UT WOS:000248990700020 PM 17532343 ER PT J AU Basu, JK Boulliard, JC Capelle, B Daillant, J Guenoun, P Mays, JW Yang, J AF Basu, J. K. Boulliard, J. C. Capelle, B. Daillant, J. Guenoun, P. Mays, J. W. Yang, J. TI Direct probe of end-segment distribution in tethered polymer chains SO MACROMOLECULES LA English DT Article ID RAY STANDING WAVES; GRAFTED POLYMERS; DOUBLE-LAYER; INTERFACE; SOLVENT; BRUSHES AB End-tethered chains made of an adsorbed diblock copolymer of polystyrene (PS)-polyisoprene (PI) bearing an end-segment including a Ge atom are built by the Langmuir-Schaeffer technique. They are studied both in the dry state and in a good solvent for the PI chain using grazing incidence X-ray standing waves. The analysis of the signal provides a direct measurement of the end-segment distribution which is found to be singular and mostly localized to a plane in the dry case. In the good solvent case, end-segments are found to span the entire assembly and compare very well with results obtained by Kreer et al. C1 CEA Saclay, Serv Chim Mol, LIONS, F-91191 Gif Sur Yvette, France. Indian Inst Sci, Dept Phys, Bangalore 560012, Karnataka, India. Inst Mineral & Phys Milieux Condenses, F-75015 Paris, France. Univ Tennessee, Dept Chem, Knoxville, TN 37996 USA. Oak Ridge Natl Lab, Div Chem Sci, Oak Ridge, TN 37831 USA. Oak Ridge Natl Lab, Ctr Nanophase Mat Sci, Oak Ridge, TN 37831 USA. Waters Corp, Milford, MA 01757 USA. RP Guenoun, P (reprint author), CEA Saclay, Serv Chim Mol, LIONS, F-91191 Gif Sur Yvette, France. EM patrick.guenoun@cea.fr NR 31 TC 7 Z9 7 U1 1 U2 1 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0024-9297 EI 1520-5835 J9 MACROMOLECULES JI Macromolecules PD AUG 21 PY 2007 VL 40 IS 17 BP 6333 EP 6339 DI 10.1021/ma070817d PG 7 WC Polymer Science SC Polymer Science GA 199JR UT WOS:000248692600040 ER PT J AU Akgun, B Lee, DR Kim, H Zhang, H Prucker, O Wang, J Ruhe, J Foster, MD AF Akgun, Bulent Lee, Dong Ryeol Kim, Hyeonjae Zhang, Haining Prucker, Oswald Wang, Jin Ruehe, Juergen Foster, Mark D. TI Self-affine surfaces of polymer brushes SO MACROMOLECULES LA English DT Article ID SCANNING-TUNNELING-MICROSCOPY; X-RAY-REFLECTIVITY; SMECTIC-A FILMS; THIN-FILMS; ASSEMBLED MONOLAYERS; CAPILLARY WAVES; FRACTAL SURFACES; RADICAL POLYMERIZATION; THERMAL FLUCTUATIONS; INTERFACE ROUGHNESS AB The diffuse X-ray scattering from the surface morphology of polystyrene (PS) and poly(n-butyl acrylate) (PnBA) brushes synthesized by conventional free radical polymerization is found to be well described by a model of a surface with self-affine roughness. To date, such models have only been used with solid surfaces. The signature behavior of capillary waves is not observed. Data collected from transverse scans at multiple values of the out-of-plane momentum transfer q(z) can be fit simultaneously using a single set of the roughness parameters: the root-mean-square roughness, sigma, the lateral correlation length, xi, and the roughness exponent, h. The surfaces of the PnBA brushes are the same at temperatures 75 and 130 degrees C above the glass transition temperature, T-g, of PnBA in the bulk. In contrast, the correlation lengths of the surface structures of PS brushes annealed at 140 degrees C are lower than those of the "as-deposited" brushes, and the roughnesses increase with annealing. The lateral correlation length, xi, of the annealed PS brushes varies with brush thickness, d, as xi similar to d(0.75), which matches the power law dependence expected for the variation of the predominant wavelength of surface fluctuations with brush thickness for a melt brush in the limit of high surface tension. The roughness of the annealed PS brushes increases as a power law of d, with an exponent similar to those characterizing "kinetic roughening" in plasma deposited polymer films. C1 Argonne Natl Lab, Xray Sci Div, Argonne, IL 60439 USA. Univ Akron, Maurice Morton Inst Polymer Sci, Akron, OH 44325 USA. Univ Freiburg, Dept Microsyst Engn, Freiburg, Germany. RP Lee, DR (reprint author), Pohang Univ Sci & Technol, Pohang Accelerator Lab, Pohang, South Korea. EM drlee@postech.ac.kr; mfoster@uakron.edu RI Akgun, Bulent/H-3798-2011; Prucker, Oswald/E-3578-2010; Ruehe, Juergen/G-6157-2012; OI Prucker, Oswald/0000-0001-8683-7730; Zhang, Haining/0000-0002-5546-2347 NR 64 TC 5 Z9 6 U1 0 U2 17 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0024-9297 J9 MACROMOLECULES JI Macromolecules PD AUG 21 PY 2007 VL 40 IS 17 BP 6361 EP 6369 DI 10.1021/ma0708794 PG 9 WC Polymer Science SC Polymer Science GA 199JR UT WOS:000248692600044 ER PT J AU Bourret-Courchesne, ED Derenzb, SE Weber, MJ AF Bourret-Courchesne, Edith D. Derenzb, Stephen E. Weber, Marvin J. TI Semiconductor scintillators ZnO and PbI2: Co-doping studies SO NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT LA English DT Article; Proceedings Paper CT 11th Symposium on Rediation Measurements and Applications CY MAY 23-26, 2006 CL Univ Michigan, Ann Arbor, MI HO Univ Michigan DE ZnO; ZnO : Ga; scintillators; luminescence; alpha detection; dopants; PbI2; semiconductors; decay times ID HGI2; CDS AB It is known that the impurities In in CdS and Ga in ZnO act as donors to generate a population of electrons near the bottom of the conduction band. Fast luminescence is observed from these materials but the intensity of the luminescence is strongly dependent on the method used for dopant incorporation. Therefore, it is suspected that an additional dopant is responsible for trapping ionization holes and promoting rapid radiative recombination and these compete with native non-radiative centers. To verify this conjecture and to optimize the luminosity of this class of scintillators, we have been exploring the possibility of introducing dopants that act as efficient hole traps and radiative centers. In this work, we report on the luminosities and decay times of crystalline powders of ZnO doped with the donor Ga3+ and treated with H, doped with the acceptor N3- and with the isoelectronic hole trap S2-. Co-doped samples exhibit a large increase in luminosity and a fast mono-exponential decay. We also report on PbI2 doped with the donors Bi3+, La3+, and In3+ and co-doped with Ga3+ and p(3-). PbI2 is dense (d = 6.2 g/cm(3)) and is a candidate material for gamma-ray detection. Published by Elsevier B.V. C1 Univ Calif Berkeley, Lawrence Berkeley Lab, Ctr Funct Imaging, Berkeley, CA 94720 USA. Univ Calif Berkeley, Lawrence Berkeley Lab, Div Mat Sci, Berkeley, CA 94720 USA. Univ Calif Berkeley, Lawrence Berkeley Lab, Div Life Sci, Berkeley, CA 94720 USA. RP Bourret-Courchesne, ED (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, Ctr Funct Imaging, 1 Cyclotron Rd, Berkeley, CA 94720 USA. EM EDBourret@lbl.gov NR 9 TC 17 Z9 17 U1 1 U2 13 PU ELSEVIER SCIENCE BV PI AMSTERDAM PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS SN 0168-9002 J9 NUCL INSTRUM METH A JI Nucl. Instrum. Methods Phys. Res. Sect. A-Accel. Spectrom. Dect. Assoc. Equip. PD AUG 21 PY 2007 VL 579 IS 1 BP 1 EP 5 DI 10.1016/j.nima.2007.04.001 PG 5 WC Instruments & Instrumentation; Nuclear Science & Technology; Physics, Nuclear; Physics, Particles & Fields SC Instruments & Instrumentation; Nuclear Science & Technology; Physics GA 208VX UT WOS:000249348400002 ER PT J AU McKigney, EA Del Sesto, RE Jacobsohn, LG Santi, PA Muenchausen, RE Ott, KC McCleskey, TM Bennett, BL Smith, JF Cooke, DW AF McKigney, Edward A. Del Sesto, Rico E. Jacobsohn, Luiz G. Santi, Peter A. Muenchausen, Ross E. Ott, Kevin C. McCleskey, T. Mark Bennett, Bryan L. Smith, James F. Cooke, D. Wayne TI Nanocomposite scintillators for radiation detection and nuclear spectroscopy SO NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT LA English DT Article; Proceedings Paper CT 11th Symposium on Rediation Measurements and Applications CY MAY 23-26, 2006 CL Univ Michigan, Ann Arbor, MI HO Univ Michigan DE scintillator; nuclear spectroscopy; nanoparticle; nanophosphor; nanocomposite; radiation detector AB A novel class of scintillating materials, which are nanocomposites of known scintillators, is described. These nanocomposite materials are expected to have improved properties with respect to the properties of the bulk scintillators from which they are derived. Improvements include enhanced light output, reduced cost and greater size scalability. Optical properties of the nanocomposite phosphor components are described, with emphasis on the origin of the enhanced light yield. Finally, results from our first nanocomposite scintillator, including photopeak measurements, are described. The photopeak measurements demonstrate the proof-of-principle of the nanocomposite scintillator concept. (c) 2007 Elsevier B.V. All rights reserved. C1 Los Alamos Natl Lab, Los Alamos, NM 87545 USA. RP McKigney, EA (reprint author), Los Alamos Natl Lab, POB 1663, Los Alamos, NM 87545 USA. EM mckigney@lanl.gov OI Jacobsohn, Luiz/0000-0001-8991-3903; Mccleskey, Thomas/0000-0003-3750-3245 NR 6 TC 64 Z9 64 U1 5 U2 24 PU ELSEVIER SCIENCE BV PI AMSTERDAM PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS SN 0168-9002 EI 1872-9576 J9 NUCL INSTRUM METH A JI Nucl. Instrum. Methods Phys. Res. Sect. A-Accel. Spectrom. Dect. Assoc. Equip. PD AUG 21 PY 2007 VL 579 IS 1 BP 15 EP 18 DI 10.1016/j.nima.2007.04.004 PG 4 WC Instruments & Instrumentation; Nuclear Science & Technology; Physics, Nuclear; Physics, Particles & Fields SC Instruments & Instrumentation; Nuclear Science & Technology; Physics GA 208VX UT WOS:000249348400005 ER PT J AU Neal, JS Boatner, LA Spurrier, M Szupryczynski, P Melcher, CL AF Neal, John S. Boatner, Lynn A. Spurrier, Merry Szupryczynski, Piotr Melcher, Charles L. TI Cerium-doped mixed-alkali rare-earth double-phosphate scintillators for thermal neutron detection SO NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT LA English DT Article; Proceedings Paper CT 11th Symposium on Rediation Measurements and Applications CY MAY 23-26, 2006 CL Univ Michigan, Ann Arbor, MI HO Univ Michigan DE scintillators; neutron detection; cerium activation; phosphates AB Previous measurements of the scintillation properties of members of the single-alkali, rare-earth double-phosphate family have demonstrated high light output and fast decay times when exposed to ionizing radiation. Because of the ease with which the alkali constituents (Li, Na, K, Rb, Cs) of the crystal matrix may be interchanged (e.g. K2CsLu(PO4)(2) and CsLi2Lu(PO4)(2)), the rare-earth double-phosphate family of scintillators provides an ideal system for the study of matrix effects on scintillation efficiency and kinetics. New members of the rare-earth double-phosphate family have been synthesized by high-temperature flux growth. These new samples, represented by the general formula (A,B)(3)Lu(PO4)(2):Ce where A and B are alkali elements, incorporate lithium as one of the components and varying levels of Cc doping. Characteristics important to gamma-ray and thermal neutron excitation are calculated for three model systems which incorporate total lithium-ion substitution. Light output, scintillation decay times, and photoluminescence measurements for the most promising of the samples to date are reported. Future work includes (1) synthesis of mixed-alkali scandium and yttrium double-phosphates in which Li ions are substitutional in the structure with varying lithium-ion content up to and including total lithium-ion substitution on the alkali ion site and (2) measurements of light output and pulse shape using thermal neutron excitation. (c) 2007 Elsevier B.V. All rights reserved. C1 Oak Ridge Natl Lab, Ctr Radiat Detect Mat & Syst, Oak Ridge, TN 37831 USA. Univ Tennessee, Scintillat Mat Res Ctr, Knoxville, TN 37996 USA. Siemens Med Solut, Knoxville, TN 37932 USA. RP Neal, JS (reprint author), Oak Ridge Natl Lab, Ctr Radiat Detect Mat & Syst, Oak Ridge, TN 37831 USA. EM nealjsl@ornl.gov RI Melcher, Charles/E-9818-2012; Boatner, Lynn/I-6428-2013; Neal, John/R-8203-2016; OI Melcher, Charles/0000-0002-4586-4764; Boatner, Lynn/0000-0002-0235-7594; Neal, John/0000-0001-8337-5235; Koschan, Merry/0000-0002-8686-8657 NR 5 TC 9 Z9 10 U1 0 U2 13 PU ELSEVIER SCIENCE BV PI AMSTERDAM PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS SN 0168-9002 EI 1872-9576 J9 NUCL INSTRUM METH A JI Nucl. Instrum. Methods Phys. Res. Sect. A-Accel. Spectrom. Dect. Assoc. Equip. PD AUG 21 PY 2007 VL 579 IS 1 BP 19 EP 22 DI 10.1016/j.nima.2007.04.005 PG 4 WC Instruments & Instrumentation; Nuclear Science & Technology; Physics, Nuclear; Physics, Particles & Fields SC Instruments & Instrumentation; Nuclear Science & Technology; Physics GA 208VX UT WOS:000249348400006 ER PT J AU Stanek, CR McClellan, KJ Levy, MR Milanese, C Grimes, RW AF Stanek, C. R. McClellan, K. J. Levy, M. R. Milanese, C. Grimes, R. W. TI The effect of intrinsic defects on RE3Al5O12 garnet scintillator performance SO NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT LA English DT Article; Proceedings Paper CT 11th Symposium on Rediation Measurements and Applications CY MAY 23-26, 2006 CL Univ Michigan, Ann Arbor, MI HO Univ Michigan DE point defects; scintillation; atomistic simulation; rare earth garnets ID YTTRIUM ALUMINUM GARNET; CE SCINTILLATOR; ENERGY-TRANSFER; SINGLE-CRYSTAL; LUMINESCENCE; STOICHIOMETRY; PEROVSKITE; DISORDER AB In order to enhance capabilities for the reliable detection of nuclear material, improved detector materials are required. There is considerable room for improvement within the scintillator family of materials. However, native defects are present in all materials and impurities are similarly common. In scintillators, these defects serve as trap sites for electrons or holes, and therefore may contribute to decreased and delayed light yield. In fact, Lempicki and Bartram [J. Lumin. 81 (1999) 13] have proposed that understanding defect related phenomena is vital to the improvement of scintillators. It follows that if the most egregious electron/hole trapping defects are removed from the system, light output should increase. However, defect removal is difficult to achieve since often the defect-type to be removed is not known. In this paper, we assist the optimization of scintillators by employing atomic scale simulation techniques to predict the intrinsic defect structure of RE3Al5O12 garnets (where RE ranges from Lu to Gd and Y). Specifically, we predict cation antisite defects to be the lowest energy intrinsic defect. Furthermore, we describe how our results can be used to interpret experimental observations. (c) 2007 Elsevier B.V. All rights reserved. C1 Los Alamos Natl Lab, Div Mat Sci & Technol, Los Alamos, NM 87545 USA. Univ London Imperial Coll Sci Technol & Med, Dept Mat, London SW7 2BP, England. Univ Pavia, Dept Phys Chem, I-27100 Pavia, Italy. RP Stanek, CR (reprint author), Los Alamos Natl Lab, Div Mat Sci & Technol, Los Alamos, NM 87545 USA. EM stanek@lanl.gov NR 31 TC 59 Z9 59 U1 1 U2 24 PU ELSEVIER SCIENCE BV PI AMSTERDAM PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS SN 0168-9002 J9 NUCL INSTRUM METH A JI Nucl. Instrum. Methods Phys. Res. Sect. A-Accel. Spectrom. Dect. Assoc. Equip. PD AUG 21 PY 2007 VL 579 IS 1 BP 27 EP 30 DI 10.1016/j.nima.2007.04.006 PG 4 WC Instruments & Instrumentation; Nuclear Science & Technology; Physics, Nuclear; Physics, Particles & Fields SC Instruments & Instrumentation; Nuclear Science & Technology; Physics GA 208VX UT WOS:000249348400008 ER PT J AU Lanakiev, KD Abhold, ME Alexandrov, BS Browne, MC Williams, RM AF Lanakiev, K. D. Abhold, M. E. Alexandrov, B. S. Browne, M. C. Williams, R. M. TI Temperature dependence of nonlinearity and pulse shape in a doped NaI(TI) scintillator SO NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT LA English DT Article; Proceedings Paper CT 11th Symposium on Rediation Measurements and Applications CY MAY 23-26, 2006 CL Univ Michigan, Ann Arbor, MI HO Univ Michigan DE NaI(TI); inorganic scintillator; temperature dependence; linear dependence of light output; nonlinearity; temperature-dependent shape; stabilization of pulse shape ID NON-PROPORTIONALITY; ENERGY RESOLUTION AB This paper is a continuation of our work that describes the temperature behavior of doped NaI(T1) scintillators as a convolution between the temperature-dependent shape of the light output and the pulse-response function of the shaper. The effects from temperature and shaping on the nonproportionality of the NaI(T1) gamma spectrum are evaluated. We present a quantitative technique for separate measurement of slow and fast light components and for stabilization of the pulse shape in NaI(TI) detectors. (c) 2007 Elsevier B.V. All rights reserved. C1 Los Alamos Natl Lab, Nucl Nonproliferat Div, Los Alamos, NM 87545 USA. Univ Cambridge, Cavendish Lab, Cambridge CB3 0HE, England. RP Lanakiev, KD (reprint author), Los Alamos Natl Lab, Nucl Nonproliferat Div, POB 1663, Los Alamos, NM 87545 USA. EM ianakiev@lanl.gov OI Alexandrov, Boian/0000-0001-8636-4603 NR 18 TC 2 Z9 2 U1 0 U2 3 PU ELSEVIER SCIENCE BV PI AMSTERDAM PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS SN 0168-9002 J9 NUCL INSTRUM METH A JI Nucl. Instrum. Methods Phys. Res. Sect. A-Accel. Spectrom. Dect. Assoc. Equip. PD AUG 21 PY 2007 VL 579 IS 1 BP 34 EP 37 DI 10.1016/j.nima.2007.04.008 PG 4 WC Instruments & Instrumentation; Nuclear Science & Technology; Physics, Nuclear; Physics, Particles & Fields SC Instruments & Instrumentation; Nuclear Science & Technology; Physics GA 208VX UT WOS:000249348400010 ER PT J AU Cherepy, NJ Kuntz, JD Tillotson, TM Speaks, DT Payne, SA Chai, BHT Porter-Chapman, Y Derenzo, SE AF Cherepy, Nerine J. Kuntz, Joshua D. Tillotson, Thomas M. Speaks, Derrick T. Payne, Stephen A. Chai, B. H. T. Porter-Chapman, Yetta Derenzo, Stephen E. TI Cerium-doped single crystal and transparent ceramic lutetium aluminum garnet scintillators SO NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT LA English DT Article; Proceedings Paper CT 11th Symposium on Rediation Measurements and Applications CY MAY 23-26, 2006 CL Univ Michigan, Ann Arbor, MI HO Univ Michigan DE scintillator; transparent ceramic; optical ceramic; garnet; luminescence; Ce dopant; light yield; Ce(3+) AB For rapid, unambiguous isotope identification, scintillator detectors providing high-resolution gamma ray spectra are required. We have fabricated Lutetium Aluminum Garnet (LuAG) using transparent ceramic processing, and report a 2-mm thick ceramic exhibiting 75% transmission and light yield comparable to single-crystal LuAG:Ce. The LuAG:Ce luminescence peaks at 550nm, providing an excellent match for Silicon Photodiode readout. LuAG is dense (6.67 g/cm(3)) and impervious to water, exhibits good proportionality and 14 a fast decay (similar to 40ns), and we measure light yields in excess of 20,000 photons/MeV. (c) 2007 Elsevier B.V. All rights reserved. C1 Lawrence Livermore Natl Lab, Livermore, CA 94550 USA. Crystal Photon, Sanford, FL 32773 USA. Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA. RP Cherepy, NJ (reprint author), Lawrence Livermore Natl Lab, Livermore, CA 94550 USA. EM cherepyl@llnl.gov RI Cherepy, Nerine/F-6176-2013; Melcher, Charles/E-9818-2012 OI Cherepy, Nerine/0000-0001-8561-923X; Melcher, Charles/0000-0002-4586-4764 NR 13 TC 33 Z9 35 U1 2 U2 20 PU ELSEVIER SCIENCE BV PI AMSTERDAM PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS SN 0168-9002 J9 NUCL INSTRUM METH A JI Nucl. Instrum. Methods Phys. Res. Sect. A-Accel. Spectrom. Dect. Assoc. Equip. PD AUG 21 PY 2007 VL 579 IS 1 BP 38 EP 41 DI 10.1016/j.nima.2007.04.009 PG 4 WC Instruments & Instrumentation; Nuclear Science & Technology; Physics, Nuclear; Physics, Particles & Fields SC Instruments & Instrumentation; Nuclear Science & Technology; Physics GA 208VX UT WOS:000249348400011 ER PT J AU Roy, UN Groza, M Cui, Y Burger, A Cherepy, N Friedrich, S Payne, SA AF Roy, U. N. Groza, M. Cui, Y. Burger, A. Cherepy, N. Friedrich, S. Payne, S. A. TI K2CeCl5: A new scintillator material SO NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT LA English DT Article; Proceedings Paper CT 11th Symposium on Rediation Measurements and Applications CY MAY 23-26, 2006 CL Univ Michigan, Ann Arbor, MI HO Univ Michigan DE scintillator; Ce3+; energy resolution; light yield; K2CeCl5 ID ENERGY-RESOLUTION SCINTILLATOR AB We report the scintillation properties of a new material, K2CeCl5, which was grown by vertical Bridgman technique. Under excitation of 4.5 MeV oc-particles, the Ce3+ emission had a single peak centered at 370 nm with a width of 20 nm. The scintillation light output was estimated to be similar to 30,000 photons/MeV for 7 excitation at 662 keV and similar to 24,000 photons/MeV 7 equivalent (assuming an alpha/gamma ratio of 0.34) under alpha excitation. The smaller light yield for as can be partly explained by surface damage of the sample during polishing and subsequent partial oxidation of the Ce luminescence centers. The energy resolution at 662keV was measured to be about 5.8%. Importantly, K2CeCl5 is found to be much less hygroscopic than lanthanum halide scintillators and may therefore preferred in applications where enclosing the material is not feasible. Published by Elsevier B.V. C1 Fisk Univ, Dept Phys, Nashville, TN 37208 USA. Lawrence Livermore Natl Lab, Livermore, CA 94550 USA. RP Roy, UN (reprint author), Fisk Univ, Dept Phys, Nashville, TN 37208 USA. EM uroy@fisk.edu RI Cherepy, Nerine/F-6176-2013 OI Cherepy, Nerine/0000-0001-8561-923X NR 10 TC 12 Z9 12 U1 0 U2 2 PU ELSEVIER SCIENCE BV PI AMSTERDAM PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS SN 0168-9002 J9 NUCL INSTRUM METH A JI Nucl. Instrum. Methods Phys. Res. Sect. A-Accel. Spectrom. Dect. Assoc. Equip. PD AUG 21 PY 2007 VL 579 IS 1 BP 46 EP 49 DI 10.1016/j.nima.2007.04.126 PG 4 WC Instruments & Instrumentation; Nuclear Science & Technology; Physics, Nuclear; Physics, Particles & Fields SC Instruments & Instrumentation; Nuclear Science & Technology; Physics GA 208VX UT WOS:000249348400013 ER PT J AU Feng, YX Baciak, JE Sullivan, C Gardner, G AF Feng, Yuxin Baciak, James E. Sullivan, Clair Gardner, Gary TI A pixilated design of high pressure xenon gamma-ray spectrometer SO NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT LA English DT Article; Proceedings Paper CT 11th Symposium on Rediation Measurements and Applications CY MAY 23-26, 2006 CL Univ Michigan, Ann Arbor, MI HO Univ Michigan DE x- and gamma-ray spectrometers; pixilated anode; high pressure xenon; shockley-ramo theorem ID DETECTORS; CHARGE; RESOLUTION; ARRAYS AB A pixilated anode design of a high pressure xenon gamma-ray spectrometer is investigated. This design is composed of a single planar cathode and four anode pixels embedded in the center of a "non-collecting" anode plate. This design removes the Frisch grid which can suffer from excessive micro-phonics in real-world applications. To investigate the energy resolution of this design, the charge collecting efficiency and waveform of induced charge on each anode were calculated via tracking electron cloud drifting. (c) 2007 Elsevier B.V. All rights reserved. C1 Univ Florida, Nucl & Radiol Engn Dept, Gainesville, FL 32611 USA. Los Alamos Natl Lab, Los Alamos, NM 87545 USA. RP Feng, YX (reprint author), Univ Florida, Nucl & Radiol Engn Dept, POB 118300, Gainesville, FL 32611 USA. EM fengyx@ufl.edu OI Sullivan, Clair/0000-0003-4827-5348 NR 15 TC 1 Z9 1 U1 1 U2 1 PU ELSEVIER SCIENCE BV PI AMSTERDAM PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS SN 0168-9002 J9 NUCL INSTRUM METH A JI Nucl. Instrum. Methods Phys. Res. Sect. A-Accel. Spectrom. Dect. Assoc. Equip. PD AUG 21 PY 2007 VL 579 IS 1 BP 54 EP 57 DI 10.1016/j.nima.2007.04.175 PG 4 WC Instruments & Instrumentation; Nuclear Science & Technology; Physics, Nuclear; Physics, Particles & Fields SC Instruments & Instrumentation; Nuclear Science & Technology; Physics GA 208VX UT WOS:000249348400015 ER PT J AU Orrell, JL Aalseth, CE Amsbaugh, JF Doe, PJ Hossbach, TW AF Orrell, John L. Aalseth, Craig E. Amsbaugh, John F. Doe, Peter J. Hossbach, Todd W. TI Operation of a high-purity germanium crystal in liquid argon as a Compton-suppressed radiation spectrometer SO NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT LA English DT Article; Proceedings Paper CT 11th Symposium on Rediation Measurements and Applications CY MAY 23-26, 2006 CL Univ Michigan, Ann Arbor, MI HO Univ Michigan DE high-purity germanium spectrometer; compton suppression; liquid argon scintillation; ultra-low background counting ID RADIOACTIVITY AB A high-purity germanium (HPGe) crystal was operated in liquid argon (LAr) as a Compton-suppressed radiation spectrometer. Spectroscopic quality resolution of less than 1% of the full-width half-maximum of full energy deposition peaks was demonstrated. The construction of the small apparatus used to obtain these results is reported. The design concept is to use the LAr bath to both cool the germanium crystal to operating temperatures and act as a scintillating veto. The scintillation light from the LAr can veto cosmic rays, external primordial radiation, and gamma radiation that does not fully deposit within the germanium crystal. This technique was investigated for its potential impact on ultra-low-background gamma-ray spectroscopy. This work is based on a concept initially developed for future germanium-based neutrinoless double-beta decay experiments. (c) 2007 Elsevier B.V. All rights reserved. C1 Pacific NW Natl Lab, Richland, WA 99352 USA. Univ Washington, Ctr Expt Nucl Phys & Astrophys, Seattle, WA 98105 USA. RP Orrell, JL (reprint author), Pacific NW Natl Lab, 902 Battelle Blvd, Richland, WA 99352 USA. EM john.orrell@pnl.gov RI Orrell, John/E-9313-2015 OI Orrell, John/0000-0001-7968-4051 NR 14 TC 2 Z9 2 U1 0 U2 2 PU ELSEVIER SCIENCE BV PI AMSTERDAM PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS SN 0168-9002 J9 NUCL INSTRUM METH A JI Nucl. Instrum. Methods Phys. Res. Sect. A-Accel. Spectrom. Dect. Assoc. Equip. PD AUG 21 PY 2007 VL 579 IS 1 BP 91 EP 93 DI 10.1016/j.nima.2007.04.024 PG 3 WC Instruments & Instrumentation; Nuclear Science & Technology; Physics, Nuclear; Physics, Particles & Fields SC Instruments & Instrumentation; Nuclear Science & Technology; Physics GA 208VX UT WOS:000249348400024 ER PT J AU Zhang, Y Gao, F Devanathan, R Weber, WJ AF Zhang, Y. Gao, F. Devanathan, R. Weber, W. J. TI A fast screening technique to evaluate detector response SO NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT LA English DT Article; Proceedings Paper CT 11th Symposium on Rediation Measurements and Applications CY MAY 23-26, 2006 CL Univ Michigan, Ann Arbor, MI HO Univ Michigan DE Si detector calibration; pulse height defect; energy resolution ID ELECTRONIC STOPPING POWERS; SURFACE-BARRIER DETECTORS; HEAVY-IONS; SILICON AB A fast screening technique to evaluate detector response was demonstrated using a silicon detector. Pulse height was measured for H, He, Be, C, O, Mg, Si, Ni, Zr and An ions over a wide energy range using a time-of-flight (TOF) telescope. Using a scattering or recoil process, a secondary beam with a continuous energy distribution but low intensity is generated to avoid direct beam exposure of the Si detector. Prior to impinging on the Si detector, the energy of individual ions is determined from the TOF and its tabulated isotopic mass. The pulse height-energy calibration for ions with a given atomic number can be described by a linear relationship with small systematic deviations. For particles that have the same velocity (similar to 500keV/nucleon), a non-linear dependence on efficiency of electron-hole pair collection is observed as a function of electronic stopping power. The detector response is studied using He ions, and the measured energy resolution is given as function of deposition energies over a wide energy range. (c) 2007 Elsevier B.V. All rights reserved. C1 Pacific NW Natl Lab, Richland, WA 99352 USA. RP Zhang, Y (reprint author), Pacific NW Natl Lab, POB 999, Richland, WA 99352 USA. EM Yanwen.Zhang@pnl.gov RI Weber, William/A-4177-2008; Gao, Fei/H-3045-2012; Devanathan, Ram/C-7247-2008 OI Weber, William/0000-0002-9017-7365; Devanathan, Ram/0000-0001-8125-4237 NR 13 TC 8 Z9 8 U1 0 U2 2 PU ELSEVIER SCIENCE BV PI AMSTERDAM PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS SN 0168-9002 J9 NUCL INSTRUM METH A JI Nucl. Instrum. Methods Phys. Res. Sect. A-Accel. Spectrom. Dect. Assoc. Equip. PD AUG 21 PY 2007 VL 579 IS 1 BP 108 EP 112 DI 10.1016/j.nima.2007.04.019 PG 5 WC Instruments & Instrumentation; Nuclear Science & Technology; Physics, Nuclear; Physics, Particles & Fields SC Instruments & Instrumentation; Nuclear Science & Technology; Physics GA 208VX UT WOS:000249348400028 ER PT J AU Carini, GA Bolotnikov, AE Camarda, GS James, RB AF Carini, G. A. Bolotnikov, A. E. Camarda, G. S. James, R. B. TI High-resolution X-ray mapping of CdZnTe detectors SO NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT LA English DT Article; Proceedings Paper CT 11th Symposium on Rediation Measurements and Applications CY MAY 23-26, 2006 CL Univ Michigan, Ann Arbor, MI HO Univ Michigan DE CdZnTe; radiation detectors; Te inclusions; X-ray mapping ID RESPONSE CHARACTERIZATION; SPATIAL RESPONSE AB Recently the use of micro-characterization techniques employing synchrotron radiation permitted identification of the deteriorating effects associated with tellurium (Te)-rich secondary phases existing in CdZnTe (CZT) radiation detectors. These randomly distributed microscopic defects behave as trapping regions, where an unpredictable number of charges are lost leading to significant fluctuations in the total collected charge. Consequently, they adversely affect the efficiency and energy resolution of CZT devices, and are found to be the dominant cause of performance degradation in thick detectors. Mapping of the detector response with synchrotron radiation can reveal the details of transport properties and charge collection efficiency in semiconductor detectors on a spatial scale never before realized. A new dedicated beam-line has been recently established at BNL's National Synchrotron Light Source (NSLS) for detector characterization; it will assist with systematic studies focused on improvement of detectors and crystal-growth techniques. Published by Elsevier B.V. C1 Brookhaven Natl Lab, Upton, NY 11973 USA. RP Carini, GA (reprint author), Brookhaven Natl Lab, Upton, NY 11973 USA. EM carini@bnl.gov NR 12 TC 24 Z9 25 U1 0 U2 10 PU ELSEVIER SCIENCE BV PI AMSTERDAM PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS SN 0168-9002 J9 NUCL INSTRUM METH A JI Nucl. Instrum. Methods Phys. Res. Sect. A-Accel. Spectrom. Dect. Assoc. Equip. PD AUG 21 PY 2007 VL 579 IS 1 BP 120 EP 124 DI 10.1016/j.nima.2007.04.078 PG 5 WC Instruments & Instrumentation; Nuclear Science & Technology; Physics, Nuclear; Physics, Particles & Fields SC Instruments & Instrumentation; Nuclear Science & Technology; Physics GA 208VX UT WOS:000249348400031 ER PT J AU Bolotnikov, AE Camarda, GS Carini, GA Cui, Y Li, L James, RB AF Bolotnikov, A. E. Camarda, G. S. Carini, G. A. Cui, Y. Li, L. James, R. B. TI Modelling the effects of Te precipitates on the electron transport in CdZnTe radiation detectors SO NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT LA English DT Article; Proceedings Paper CT 11th Symposium on Rediation Measurements and Applications CY MAY 23-26, 2006 CL Univ Michigan, Ann Arbor, MI HO Univ Michigan DE CdZnTe detectors; Te precipitates; electron diffussion AB Large Te inclusions, > 100 mu m, or aggregations of Te precipitates are known to degrade the performance of CdZnTe (CZT) nuclear-radiation detectors. At the same time, it is widely accepted that randomly distributed small Te precipitates are not harmful. Previous attempts to study Te precipitates, conducted with wide X-ray or alpha-particle beams, were unable to reveal their critical role because the 300-400 mu m diameter excitation probes used in the experiments were much larger than the 10-20 pm diameter Te precipitates. In contrast, our recent measurements carried out with high-spatial resolution, < 10 mu m, mapping techniques provided clear evidence that even small-size precipitates adversely affect the energy resolution and detection efficiency of CZT devices. In our model, Te precipitates were treated as non-transparent spherical areas randomly distributed inside a CZT crystal. As an electron cloud drifts toward an anode and grows due to diffusion, the Te precipitates trap a fraction of the total charge corresponding to the footprints of the different precipitates along the path of the electron cloud projection. Thus, the charge loss due to Te precipitates is mainly modeled as a geometrical effect. Here, we describe the application of this simple approach to model the charge loss due to Te precipitates and describe how it affects the detector's performance for realistic devices. We compare the predicted results with the experimental data. (c) 2007 Elsevier B.V. All rights reserved. C1 Brookhaven Natl Lab, Upton, NY USA. Yinnel Tech Inc, South Bend, IN 46619 USA. RP Bolotnikov, AE (reprint author), Brookhaven Natl Lab, Upton, NY USA. EM bolotnik@bnl.gov NR 3 TC 24 Z9 24 U1 0 U2 10 PU ELSEVIER SCIENCE BV PI AMSTERDAM PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS SN 0168-9002 J9 NUCL INSTRUM METH A JI Nucl. Instrum. Methods Phys. Res. Sect. A-Accel. Spectrom. Dect. Assoc. Equip. PD AUG 21 PY 2007 VL 579 IS 1 BP 125 EP 129 DI 10.1016/j.nima.2007.04.022 PG 5 WC Instruments & Instrumentation; Nuclear Science & Technology; Physics, Nuclear; Physics, Particles & Fields SC Instruments & Instrumentation; Nuclear Science & Technology; Physics GA 208VX UT WOS:000249348400032 ER PT J AU Bliss, M Gerlach, DC Cliff, JB Toloczko, MB Barnett, DS Ciampi, G Jones, KA Lynn, KG AF Bliss, Mary Gerlach, David C. Cliff, John B. Toloczko, Mychailo B. Barnett, Debra S. Ciampi, Guido Jones, Kelly A. Lynn, Kelvin G. TI Pb quantification of CdZnTe microheterogeneities complimented by SEM, IR microscopy, EDX, and TOF-SIMS SO NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT LA English DT Article; Proceedings Paper CT 11th Symposium on Rediation Measurements and Applications CY MAY 23-26, 2006 CL Univ Michigan, Ann Arbor, MI HO Univ Michigan ID SENSITIVITY FACTORS; ELECTRON-AFFINITY; ELEMENTS AB High-resistivity crystals of CdZnTe are made using low-pressure Bridgman. The success of any doping scheme depends on its effectiveness in overcoming trace contamination and variations in processing. Multiple imaging and quantitative techniques gave highly complimentary information relating to spatial heterogeneity of the cadmium zinc telluride (CZT). Secondary Ion Mass Spectroscopy (SIMS) has good sensitivity and can quantitate trace elements in areas less than 150 mu m in diameter. PNNL has SIMS standards for several key elements and can extrapolate for other elements. A heavily Pb-doped sample (0.1 atm%) was characterized to determine the distribution of lead and its potential impact on precipitates. (c) 2007 Elsevier B.V. All rights reserved. C1 Pacific NW Natl Lab, Richland, WA 99352 USA. Washington State Univ, Mat Res Ctr, Pullman, WA 99164 USA. RP Bliss, M (reprint author), Pacific NW Natl Lab, POB 999, Richland, WA 99352 USA. EM mary.bliss@pnl.gov RI Cliff, John/C-7696-2011; Bliss, Mary/G-2240-2012 OI Cliff, John/0000-0002-7395-5604; Bliss, Mary/0000-0002-7565-4813 NR 8 TC 2 Z9 2 U1 0 U2 4 PU ELSEVIER SCIENCE BV PI AMSTERDAM PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS SN 0168-9002 J9 NUCL INSTRUM METH A JI Nucl. Instrum. Methods Phys. Res. Sect. A-Accel. Spectrom. Dect. Assoc. Equip. PD AUG 21 PY 2007 VL 579 IS 1 BP 138 EP 140 DI 10.1016/j.nima.2007.04.018 PG 3 WC Instruments & Instrumentation; Nuclear Science & Technology; Physics, Nuclear; Physics, Particles & Fields SC Instruments & Instrumentation; Nuclear Science & Technology; Physics GA 208VX UT WOS:000249348400035 ER PT J AU Friedrich, S AF Friedrich, Stephan TI Nuclear diagnostics with cryogenic spectrometers SO NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT LA English DT Article; Proceedings Paper CT 11th Symposium on Rediation Measurements and Applications CY MAY 23-26, 2006 CL Univ Michigan, Ann Arbor, MI HO Univ Michigan DE gamma spectroscopy; isotope ratios; cryogenic detectors; microcalorimeters ID TRANSITION-EDGE SENSOR; X-RAY SPECTROMETERS; DETECTOR; BOLOMETER AB Cryogenic spectrometers offer an energy resolution an order of magnitude higher than conventional high-purity Germanium detectors, since low-temperature operation reduces thermal fluctuations and the associated noise. They have been developed over the last several decades, initially driven by particle and astrophysics applications, more recently also for material science, biophysics and nuclear science applications. The Advanced Detector Group at LLNL is developing cryogenic Gamma-ray and fast-neutron spectrometers for nuclear diagnostics in fundamental science and national security. They are based on measuring the increase in temperature upon photon or particle absorption with a sensor operated at the transition between its superconducting and its normal state. The approach can be adapted for different types of radiation with the appropriate choice of absorber material. We describe our Gamma-ray spectrometers consisting of a bulk Sn absorber attached to a superconducting Mo/Cu multilayer sensor. The detectors are operated at a temperature of similar to 0. 1 K the end of a cold finger in a two-stage adiabatic demagnetization refrigerator, and have, depending on design, achieved an energy resolution between 50 and 150eV FWHM for energies below 100keV. Here we give an overview about cryogenic detectors for nuclear diagnostics, and discuss the application of this detector technology to the measurement of uranium enrichment. Published by Elsevier B.V. C1 Lawrence Livermore Natl Lab, Adv Detector Grp, Livermore, CA 94550 USA. RP Friedrich, S (reprint author), Lawrence Livermore Natl Lab, Adv Detector Grp, Livermore, CA 94550 USA. EM friedrich1@llnl.gov NR 26 TC 8 Z9 8 U1 0 U2 4 PU ELSEVIER SCIENCE BV PI AMSTERDAM PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS SN 0168-9002 J9 NUCL INSTRUM METH A JI Nucl. Instrum. Methods Phys. Res. Sect. A-Accel. Spectrom. Dect. Assoc. Equip. PD AUG 21 PY 2007 VL 579 IS 1 BP 157 EP 160 DI 10.1016/j.nima.2007.04.029 PG 4 WC Instruments & Instrumentation; Nuclear Science & Technology; Physics, Nuclear; Physics, Particles & Fields SC Instruments & Instrumentation; Nuclear Science & Technology; Physics GA 208VX UT WOS:000249348400040 ER PT J AU Ullom, JN Doriese, WB Beall, JA Duncan, WD Ferreira, L Hilton, GC Horansky, RD Irwin, KD Jach, T Mates, B Miller, NA O'Neil, GC Reintsema, CD Ritchie, N Sclunidt, DS Vale, LR Xu, Y Zink, BL Hoover, A Rudy, CR Tournear, DM Vo, DT Rabin, MW AF Ullom, J. N. Doriese, W. B. Beall, J. A. Duncan, W. D. Ferreira, L. Hilton, G. C. Horansky, R. D. Irwin, K. D. Jach, T. Mates, B. Miller, N. A. O'Neil, G. C. Reintsema, C. D. Ritchie, N. Sclunidt, D. S. Vale, L. R. Xu, Y. Zink, B. L. Hoover, A. Rudy, C. R. Tournear, D. M. Vo, D. T. Rabin, M. W. TI Multiplexed microcalorimeter arrays for precision measurements from microwave to gamma-ray wavelengths SO NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT LA English DT Article; Proceedings Paper CT 11th Symposium on Rediation Measurements and Applications CY MAY 23-26, 2006 CL Univ Michigan, Ann Arbor, MI HO Univ Michigan DE microcalorimeter; transition-edge sensor; gamma-ray ID HIGH-RESOLUTION; SPECTROMETER AB Cryogenic microcalorimeters are a promising technology for ultrasensitive measurements of electromagnetic radiation from microwave to gamma-ray wavelengths. Cryogenic microcalorimeters derive their exquisite sensitivity from the minimal thermal noise at typical operating temperatures near 0.1 K. The core technology of the microcalorimeters under development at NIST is independent of the application wavelength: thin-film thermometers whose temperature and resistance change in response to absorbed energy. However, the absorbing structures used to couple radiation into the thermometers depend strongly on the application wavelength. Here, we describe microcalorimeter technology and its application to microwave, X-ray, and gamma-ray measurements. In particular, we present results from a 13 pixel gamma-ray microcalorimeter array with a coadded energy resolution of 51 eV FWHM at 103 keV and a single pixel with resolution of 27 eV FWHM at 103 keV. One application for gamma-ray microcalorimeters is to deconvolve the complex spectrum of a mixture of Pu isotopes near 100 keV. Published by Elsevier B.V. C1 NIST, Boulder, CO 80305 USA. NIST, Gaithersburg, MD 20899 USA. Los Alamos Natl Lab, Los Alamos, NM 87545 USA. RP Ullom, JN (reprint author), NIST, Boulder, CO 80305 USA. EM Ullom@boulder.nist.gov RI Tomlin, Nathan/A-4927-2009; OI Tomlin, Nathan/0000-0002-8313-9045; Zink, Barry/0000-0001-7732-532X NR 11 TC 8 Z9 8 U1 0 U2 1 PU ELSEVIER SCIENCE BV PI AMSTERDAM PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS SN 0168-9002 J9 NUCL INSTRUM METH A JI Nucl. Instrum. Methods Phys. Res. Sect. A-Accel. Spectrom. Dect. Assoc. Equip. PD AUG 21 PY 2007 VL 579 IS 1 BP 161 EP 164 DI 10.1016/j.nima.2007.04.030 PG 4 WC Instruments & Instrumentation; Nuclear Science & Technology; Physics, Nuclear; Physics, Particles & Fields SC Instruments & Instrumentation; Nuclear Science & Technology; Physics GA 208VX UT WOS:000249348400041 ER PT J AU Niedermayr, T Hau, ID Burger, A Roy, UN Bell, ZW Friedrich, S AF Niedermayr, T. Hau, I. D. Burger, A. Roy, U. N. Bell, Z. W. Friedrich, S. TI Unfolding of cryogenic neutron spectra SO NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT LA English DT Article; Proceedings Paper CT 11th Symposium on Rediation Measurements and Applications CY MAY 23-26, 2006 CL Univ Michigan, Ann Arbor, MI HO Univ Michigan DE superconducting neutron spectrometer; neutron spectroscopy; unfolding; deconvolution AB We describe the simple unfolding procedure to recover the incident neutron energy spectrum from data measured with a (LiF)-Li-6-based cryogenic neutron spectrometer. The simple response function combined with the excellent energy resolution greatly simplifies the recovery of the neutron energy spectrum. Unfolding methods for conventional neutron detectors such as He-3 and NE-213 scintillator spectrometers are described and compared to the unfolding procedure for (LiF)-Li-6-based cryogenic neutron spectrometers. The unfolding of a Cf-252 spectrum measured with a cryogenic neutron detector is presented. (c) 2007 Elsevier B.V. All rights reserved. C1 Lawrence Livermore Natl Lab, Livermore, CA 94550 USA. Fisk Univ, Nashville, TN 37208 USA. Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA. RP Niedermayr, T (reprint author), Lawrence Livermore Natl Lab, L-270,7000 East Ave, Livermore, CA 94550 USA. EM niedermayrl@llnl.gov OI Bell, Zane/0000-0003-1115-8674 NR 11 TC 2 Z9 2 U1 0 U2 1 PU ELSEVIER SCIENCE BV PI AMSTERDAM PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS SN 0168-9002 J9 NUCL INSTRUM METH A JI Nucl. Instrum. Methods Phys. Res. Sect. A-Accel. Spectrom. Dect. Assoc. Equip. PD AUG 21 PY 2007 VL 579 IS 1 BP 165 EP 168 DI 10.1016/j.nima.2007.04.031 PG 4 WC Instruments & Instrumentation; Nuclear Science & Technology; Physics, Nuclear; Physics, Particles & Fields SC Instruments & Instrumentation; Nuclear Science & Technology; Physics GA 208VX UT WOS:000249348400042 ER PT J AU Horansky, RD Ullom, JN Beall, JA Doriese, WB Durican, WD Ferreira, L Hilton, GC Irwin, KD Reintsema, CD Vale, LR Zink, BL Hoover, A Rudy, CR Tournear, DM Vo, DT Rabin, MW AF Horansky, R. D. Ullom, J. N. Beall, J. A. Doriese, W. B. Durican, W. D. Ferreira, L. Hilton, G. C. Irwin, K. D. Reintsema, C. D. Vale, L. R. Zink, B. L. Hoover, A. Rudy, C. R. Tournear, D. M. Vo, D. T. Rabin, M. W. TI Superconducting absorbers for use in ultra-high resolution gamma-ray spectrometers based on low temperature microcalorimeter arrays SO NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT LA English DT Article; Proceedings Paper CT 11th Symposium on Rediation Measurements and Applications CY MAY 23-26, 2006 CL Univ Michigan, Ann Arbor, MI HO Univ Michigan DE gamma-ray spectroscopy; microcalorimeters; superconducting detectors; transition edge sensors; microcalorimeter arrays ID TRANSITION-EDGE SENSORS; X-RAY; CALORIMETERS AB Higher resolution gamma-ray detectors are of significant interest to many scientific fields, including fundamental determinations of the Lamb shift in atoms with high atomic numbers, nuclear treaty verification, and environmental monitoring. High-purity germanium is presently the detector material of choice, but germanium detectors suffer from fundamental limitations on their resolution. Recent advances in the use of low temperature calorimeters can provide improvements of more than an order of magnitude. For instance, we report here a resolution of 27eV FWHM at 103keV. These calorimeters are made up of two components, a bulk absorber to stop incident gamma-rays and a thermometer made from a thin film electrically biased in the superconducting-to-normal phase transition, called a Transition Edge Sensor, or TES. We have now begun a systematic study of absorber behavior in order to increase efficiency and understand effects on resolution. This study leverages two recently developed capabilities: the ability to microfabricate highly uniform arrays of gamma-ray detectors and the ability to read out signals from many detectors in a single cool-down to 0.1 K using SQUID multiplexer circuits. Here, I will discuss two experiments we are currently conducting to identify better absorber materials. The first involves the use of tin (Sn) as the gamma-ray absorber and the effect of crystal grain size on the thermalization of absorbed photons. The second experiment examines the role of absorbed hydrogen in tantalum (Ta) absorbers. The presence of hydrogen is known to increase the heat capacity of Ta and may be a limiting factor in Ta's use as an improved absorber material. (c) 2007 Elsevier B.V. All rights reserved. C1 Natl Inst Stand & Technol, Boulder, CO 80305 USA. Los Alamos Natl Lab, Los Alamos, NM 87545 USA. RP Horansky, RD (reprint author), Natl Inst Stand & Technol, 325 Broadway MC 817-03, Boulder, CO 80305 USA. EM horansky@nist.gov OI Zink, Barry/0000-0001-7732-532X NR 13 TC 9 Z9 9 U1 0 U2 4 PU ELSEVIER SCIENCE BV PI AMSTERDAM PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS SN 0168-9002 J9 NUCL INSTRUM METH A JI Nucl. Instrum. Methods Phys. Res. Sect. A-Accel. Spectrom. Dect. Assoc. Equip. PD AUG 21 PY 2007 VL 579 IS 1 BP 169 EP 172 DI 10.1016/j.nima.2007.04.032 PG 4 WC Instruments & Instrumentation; Nuclear Science & Technology; Physics, Nuclear; Physics, Particles & Fields SC Instruments & Instrumentation; Nuclear Science & Technology; Physics GA 208VX UT WOS:000249348400043 ER PT J AU Wallace, SA Stephan, AC Cooper, R Im, HJ Dai, S AF Wallace, Steven A. Stephan, Andrew C. Cooper, Ron Im, Hee-Jung Dai, Sheng TI Lithiated sol-gel based neutron scintillators SO NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT LA English DT Article; Proceedings Paper CT 11th Symposium on Rediation Measurements and Applications CY MAY 23-26, 2006 CL Univ Michigan, Ann Arbor, MI HO Univ Michigan DE neutron detector; scintillation detection; lithiated sol-gel glass; composite neutron scintillator; fluoresent dopant particles AB Lithiated sol-gel glasses incorporating micron-scale organic and inorganic fluorescent dopant particles were fabricated and evaluated for use as thin-film composite neutron scintillators. The light emission spectra of the scintillators and their pulse shapes were measured. The pulse height spectra from the composite scintillators showed energy peaks or plateaus upon exposure to neutrons. The loading of fluorescent dopant particles into lithiated glass expands the range of available neutron scintillators. (c) 2007 Elsevier B.V. All rights reserved. C1 Neutron Sci Inc, Knoxville, TN 37932 USA. Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA. RP Wallace, SA (reprint author), Neutron Sci Inc, Knoxville, TN 37932 USA. EM swallace@ncutronsciences.com RI Dai, Sheng/K-8411-2015 OI Dai, Sheng/0000-0002-8046-3931 NR 4 TC 3 Z9 3 U1 0 U2 11 PU ELSEVIER SCIENCE BV PI AMSTERDAM PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS SN 0168-9002 J9 NUCL INSTRUM METH A JI Nucl. Instrum. Methods Phys. Res. Sect. A-Accel. Spectrom. Dect. Assoc. Equip. PD AUG 21 PY 2007 VL 579 IS 1 BP 184 EP 187 DI 10.1016/j.nima.2007.04.036 PG 4 WC Instruments & Instrumentation; Nuclear Science & Technology; Physics, Nuclear; Physics, Particles & Fields SC Instruments & Instrumentation; Nuclear Science & Technology; Physics GA 208VX UT WOS:000249348400047 ER PT J AU Frame, K Clay, W Elmont, T Esch, E Karplus, P MacArthur, D McKigney, E Santi, P Smith, M Thron, J Williams, R AF Frame, Katherine Clay, Willam Elmont, Tim Esch, Ernst Karplus, Peter MacArthur, Duncan McKigney, Edward Santi, Peter Smith, Morag Thron, Jonathan Williams, Richard TI Development of a liquid scintillator neutron multiplicity counter (LSMC) SO NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT LA English DT Article; Proceedings Paper CT 11th Symposium on Rediation Measurements and Applications CY MAY 23-26, 2006 CL Univ Michigan, Ann Arbor, MI HO Univ Michigan DE liquid scintillator; neutron multiplicity; neutron detection; nondestructive assay; nuclear safeguards; special nuclear material AB A new neutron multiplicity counter is being developed that utilizes the fast response of liquid scintillator detectors. The ability to detect fast (vs. moderated) fission neutrons makes possible a coincidence gate of the order of tens of nanoseconds (vs. tens of microseconds). A neutron counter with such a narrow gate will be virtually insensitive to accidental coincidences, making it possible to measure items with a high single neutron background to greater accuracy in less time. This includes impure Pu items with high (alpha, n) rates as well as items of low-mass HEU where a strong active interrogation source is needed. Liquid scintillator detectors also allow for energy discrimination between interrogation source neutrons and fission neutrons, allowing for even greater assay sensitivity. Designing and building a liquid scintillator multiplicity counter (LSMC) requires a symbiotic effort of simulation and experiment to optimize performance and mitigate hardware costs in the final product. We present preliminary Monte-Carlo studies using the GEANT toolkit. (c) 2007 Elsevier B.V. All rights reserved. C1 Los Alamos Natl Lab, Los Alamos, NM 87545 USA. Stanford Univ, Dept Phys, Stanford, CA 94305 USA. RP Frame, K (reprint author), Los Alamos Natl Lab, POB 1663, Los Alamos, NM 87545 USA. EM frame@lanl.gov OI Smith, Morag/0000-0002-4763-9421; Esch, Ernst/0000-0002-5179-0415 NR 7 TC 8 Z9 8 U1 0 U2 0 PU ELSEVIER SCIENCE BV PI AMSTERDAM PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS SN 0168-9002 J9 NUCL INSTRUM METH A JI Nucl. Instrum. Methods Phys. Res. Sect. A-Accel. Spectrom. Dect. Assoc. Equip. PD AUG 21 PY 2007 VL 579 IS 1 BP 192 EP 195 DI 10.1016/j.nima.2007.04.038 PG 4 WC Instruments & Instrumentation; Nuclear Science & Technology; Physics, Nuclear; Physics, Particles & Fields SC Instruments & Instrumentation; Nuclear Science & Technology; Physics GA 208VX UT WOS:000249348400049 ER PT J AU Aufderheide, MB Brown, WD Hamza, AV Park, HS Martz, HE Remington, BA Rogers, JA Jeon, S Nam, YS AF Aufderheide, Maurice B., III Brown, William D. Hamza, Alex V. Park, Hye-Sook Martz, Harry E. Remington, Bruce A. Rogers, John A. Jeon, Saekwoo Nam, Yun-Suk TI Analysis and modeling of phase contrast radiography of gradient density laser targets SO NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT LA English DT Article; Proceedings Paper CT 11th Symposium on Rediation Measurements and Applications CY MAY 23-26, 2006 CL Univ Michigan, Ann Arbor, MI HO Univ Michigan DE phase-contrast microscopy; X-ray phase effects; radiographic simulation; HADES simulation code; gradient density laser targets; isentropic compression AB Laser experiments, such as those planned at the National Ignition Facility (NIF) and the Omega facility, use small targets with the goal of studying high-energy density physics and inertial confinement fusion. One particular application is a target with layers whose density changes in a carefully designed gradient (from 0.2 to 1.2g/cm(3)) for use in isentropic compression experiments (ICE). We are nondestructively determining the density of these layers using two X-ray microscopes. Because of the many interfaces that comprise the layers, a plethora of X-ray phase contrast fringes appear in the images, leading to many radiographic and tomographic artifacts which compromise the ability to infer the density of the layer. In this paper, we describe how we are attacking this problem with a variety of radiographic standards and through radiographic simulation using the HADES radiographic simulation code. (C) 2007 Published by Elsevier B.V. C1 LLNL, Livermore, CA 94551 USA. Univ Illinois, Urbana, IL 61801 USA. RP Aufderheide, MB (reprint author), LLNL, L 096,POB 808, Livermore, CA 94551 USA. EM aufderhe@llnl.gov RI JEON, SEOKWOO/C-1701-2011; Rogers, John /L-2798-2016 NR 11 TC 1 Z9 3 U1 0 U2 3 PU ELSEVIER SCIENCE BV PI AMSTERDAM PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS SN 0168-9002 J9 NUCL INSTRUM METH A JI Nucl. Instrum. Methods Phys. Res. Sect. A-Accel. Spectrom. Dect. Assoc. Equip. PD AUG 21 PY 2007 VL 579 IS 1 BP 223 EP 226 DI 10.1016/j.nima.2007.04.044 PG 4 WC Instruments & Instrumentation; Nuclear Science & Technology; Physics, Nuclear; Physics, Particles & Fields SC Instruments & Instrumentation; Nuclear Science & Technology; Physics GA 208VX UT WOS:000249348400056 ER PT J AU Sullivan, CJ Garner, SE Blagoev, KB Weiss, DL AF Sullivan, Clair J. Garner, Scott E. Blagoev, Krastan B. Weiss, Doug L. TI Generation of customized wavelets for the analysis of gamma-ray spectra SO NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT LA English DT Article; Proceedings Paper CT 11th Symposium on Rediation Measurements and Applications CY MAY 23-26, 2006 CL Univ Michigan, Ann Arbor, MI HO Univ Michigan DE wavelet analysis; isotope identification; gamma-ray spectroscopy AB The analysis of gamma-ray spectra using wavelet analysis has recently been demonstrated as a new, promising technique for isotope identification with both NaI and CdZnTe spectra. Wavelet analysis has the potential to benefit over other approaches due to the fact that the signal can simultaneously be analyzed over multiple scales, thus eliminating potential false isotope identifications from artifacts such as the Compton edge and backscatter peaks. This implies that this algorithm is not impacted by variations in the detector's resolution, which changes with energy. We will present our results of optimizing this algorithm by custom designing wavelets for Nal spectra. Emphasis will be placed on quantifying the merits of these custom wavelets to traditional wavelets by exploring the quality of peak detection and localization, the first step to isotope identification. Published by Elsevier B.V. C1 Los Alamos Natl Lab, Los Alamos, NM 87545 USA. RP Sullivan, CJ (reprint author), Los Alamos Natl Lab, POB 1663,MS B228, Los Alamos, NM 87545 USA. EM clair@lanl.gov OI Sullivan, Clair/0000-0003-4827-5348 NR 6 TC 4 Z9 7 U1 0 U2 2 PU ELSEVIER SCIENCE BV PI AMSTERDAM PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS SN 0168-9002 J9 NUCL INSTRUM METH A JI Nucl. Instrum. Methods Phys. Res. Sect. A-Accel. Spectrom. Dect. Assoc. Equip. PD AUG 21 PY 2007 VL 579 IS 1 BP 275 EP 278 DI 10.1016/j.nima.2007.04.055 PG 4 WC Instruments & Instrumentation; Nuclear Science & Technology; Physics, Nuclear; Physics, Particles & Fields SC Instruments & Instrumentation; Nuclear Science & Technology; Physics GA 208VX UT WOS:000249348400069 ER PT J AU Gao, F Campbell, LW Devanathan, R Xie, YL Corrales, LR Peurrung, AJ Weber, WJ AF Gao, Fei Campbell, Luke W. Devanathan, Ram Xie, Yulong Corrales, L. Rene Peurrung, Anthony J. Weber, William J. TI Monte Carlo method for simulating gamma-ray interaction with materials: A case study on Si SO NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT LA English DT Article; Proceedings Paper CT 11th Symposium on Rediation Measurements and Applications CY MAY 23-26, 2006 CL Univ Michigan, Ann Arbor, MI HO Univ Michigan DE Monte Carlo simulation; Fano factor; W value; silicon ID CROSS-SECTIONS; FANO FACTOR; OXIDIZED SILICON; ENERGY; DETECTORS; PAIR; SPECTROSCOPY; IONIZATION; SCATTERING AB In the present work, a Monte Carlo (MC) method has been developed to simulate various quantum mechanical processes for the energy loss of photons and fast electrons. The MC model is demonstrated by application to the interaction of photons with silicon over the energy range from 50 eV to 2 MeV and the subsequent electron cascades. The electron cascade process is commonly represented by two macroscopic parameters, the mean energy required to create an electron-hole pair, W, and the Fano factor, F, describing the electron yield and its variance. At energies lower than 5 keV, W generally decreases with increasing photon energy (from 3.96 to 3.58 eV), and it exhibits a sawtooth variation, as observed previously. However, discontinuities at the shell edges follow the photoionization cross-section, in contrast to previous results. The function, F(E-p), initially increases with increasing photon energy, E-p, to a maximum value of 0.187 around 155 eV, and then decreases at higher energies. Above the K shell edge, F has a value of 0.135. These results are consistent with experimental observations. The simulated distribution indicates that the interband transition and plasmon excitation are the most important mechanisms of electron-hole pair creation, while core shell ionization appears to be significant only at high energies. (C) 2007 Elsevier B.V. All rights reserved. C1 Pacific NW Natl Lab, Richland, WA 99352 USA. RP Gao, F (reprint author), Pacific NW Natl Lab, Richland, WA 99352 USA. EM fei.gao@pnl.gov RI Weber, William/A-4177-2008; Gao, Fei/H-3045-2012; Devanathan, Ram/C-7247-2008; Xie, Yulong/O-9322-2016 OI Weber, William/0000-0002-9017-7365; Devanathan, Ram/0000-0001-8125-4237; Xie, Yulong/0000-0001-5579-482X NR 27 TC 14 Z9 14 U1 1 U2 5 PU ELSEVIER SCIENCE BV PI AMSTERDAM PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS SN 0168-9002 J9 NUCL INSTRUM METH A JI Nucl. Instrum. Methods Phys. Res. Sect. A-Accel. Spectrom. Dect. Assoc. Equip. PD AUG 21 PY 2007 VL 579 IS 1 BP 292 EP 296 DI 10.1016/j.nima.2007.04.063 PG 5 WC Instruments & Instrumentation; Nuclear Science & Technology; Physics, Nuclear; Physics, Particles & Fields SC Instruments & Instrumentation; Nuclear Science & Technology; Physics GA 208VX UT WOS:000249348400073 ER PT J AU Bliss, M Jordan, DV Barnett, DS Redding, RL Pearce, SK AF Bliss, Mary Jordan, David V. Barnett, Debra S. Redding, Rebecca L. Pearce, Stephen K. TI A MOX fuel attribute monitor SO NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT LA English DT Article; Proceedings Paper CT 11th Symposium on Rediation Measurements and Applications CY MAY 23-26, 2006 CL Univ Michigan, Ann Arbor, MI HO Univ Michigan DE MOX; neutron; thermal neutron; fiber; waveguide AB Euratom performs safeguards monitoring of Fresh MOX fuel for domestic power production in the European Union. Video cameras monitor the reactor storage ponds. If video surveillance is lost for a certain amount of time a measurement is required to verify that no fuel was diverted. The attribute measurement to verify the continued presence of MOX fuel is neutron emission. Ideally this measurement would be made without moving or handling the fuel rod assembly. A prototype attribute measurement system was made using scintillating neutron sensitive glass waveguides developed by Pacific Northwest National Laboratory. Short lengths (5-20 cm) of the neutron sensitive fiber were mechanically spliced to 15 m lengths of commercial high numerical aperture fiber optic cable (Ceramoptec Optran Ultra 0.44). The light detector is a Hamamatsu R7400P photomultiplier tube. An electronics package was built to use the sensors with a GBS Elektronik MCA-166 multichannel analyzer and user interface. The MCA-166 is the system most commonly used by Euratom inspectors. It can also be run from a laptop computer using Maestro (Ortec) or other software. A MCNP model was made to compare to measurements made with several neutron sources including NIST traceable Cf-252. (C) 2007 Elsevier B.V. All rights reserved. C1 Pacific NW Natl Lab, Richland, WA 99352 USA. RP Bliss, M (reprint author), Pacific NW Natl Lab, Richland, WA 99352 USA. EM mary.bliss@pnl.gov RI Bliss, Mary/G-2240-2012 OI Bliss, Mary/0000-0002-7565-4813 NR 6 TC 0 Z9 0 U1 0 U2 1 PU ELSEVIER SCIENCE BV PI AMSTERDAM PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS SN 0168-9002 J9 NUCL INSTRUM METH A JI Nucl. Instrum. Methods Phys. Res. Sect. A-Accel. Spectrom. Dect. Assoc. Equip. PD AUG 21 PY 2007 VL 579 IS 1 BP 305 EP 308 DI 10.1016/j.nima.2007.04.066 PG 4 WC Instruments & Instrumentation; Nuclear Science & Technology; Physics, Nuclear; Physics, Particles & Fields SC Instruments & Instrumentation; Nuclear Science & Technology; Physics GA 208VX UT WOS:000249348400076 ER PT J AU Slaughter, DR Accatino, MR Bernstein, A Biltoft, P Church, JA Descalle, MA Hall, JM Manatt, DR Mauger, GJ Moore, TL Norman, EB Petersen, DC Pruet, JA Prussin, SG AF Slaughter, D. R. Accatino, M. R. Bernstein, A. Biltoft, P. Church, J. A. Descalle, M. A. Hall, J. M. Manatt, D. R. Mauger, G. J. Moore, T. L. Norman, E. B. Petersen, D. C. Pruet, J. A. Prussin, S. G. TI The nuclear car wash: A system to detect nuclear weapons in commercial cargo shipments SO NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT LA English DT Article; Proceedings Paper CT 11th Symposium on Rediation Measurements and Applications CY MAY 23-26, 2006 CL Univ Michigan, Ann Arbor, MI HO Univ Michigan DE neutron interrogation; fissile material detection; WM; cargo scanning; fission product radiation ID FAST-NEUTRON ANALYSIS; ACTIVE INTERROGATION; GAMMA-RAYS; FISSION AB A concept for detecting the presence of special nuclear material (U-235 or Pu-239) concealed in intermodal cargo containers has been developed, studied, and recent performance results are described. It is based on interrogation with a pulsed beam of 3-7 MeV neutrons that produce fission events and subsequent detection of their beta-delayed neutron emission or beta-delayed high-energy gamma-radiation reveals the presence of fissionable material. Fission product beta-delayed gamma-rays above 3 MeV are nearly 10 times more abundant than beta-delayed neutrons and are distinct from natural radioactivity and from nearly all of the induced activity in a normal cargo. Detector backgrounds and potential interferences with the fission signature radiation have been identified and quantified. Their impact on detection sensitivity is relatively minor and can be addressed readily. Components of a simple laboratory prototype have been assembled, tested with the most challenging cargo threat scenarios, and results compared to computer simulations. Preliminary results will be presented. (c) 2007 Published by Elsevier B.V. C1 Lawrence Livermore Natl Lab, Livermore, CA 94550 USA. Univ Calif Berkeley, Dept Nucl Engn, Berkeley, CA 94720 USA. RP Slaughter, DR (reprint author), Lawrence Livermore Natl Lab, POB 808,L-186, Livermore, CA 94550 USA. EM slaughter1@llnl.gov NR 16 TC 15 Z9 15 U1 0 U2 7 PU ELSEVIER SCIENCE BV PI AMSTERDAM PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS SN 0168-9002 J9 NUCL INSTRUM METH A JI Nucl. Instrum. Methods Phys. Res. Sect. A-Accel. Spectrom. Dect. Assoc. Equip. PD AUG 21 PY 2007 VL 579 IS 1 BP 349 EP 352 DI 10.1016/j.nima.2007.04.058 PG 4 WC Instruments & Instrumentation; Nuclear Science & Technology; Physics, Nuclear; Physics, Particles & Fields SC Instruments & Instrumentation; Nuclear Science & Technology; Physics GA 208VX UT WOS:000249348400086 ER PT J AU Jones, JL Blackburn, BW Norman, DR Watson, SM Haskell, KJ Johnson, JT Hunt, AW Harmon, F Moss, C AF Jones, James L. Blackburn, Brandon W. Norman, Daren R. Watson, Scott M. Haskell, Kevin J. Johnson, James T. Hunt, Alan W. Harmon, Frank Moss, Calvin TI Status of the prototype Pulsed Photonuclear Assessment (PPA) inspection system SO NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT LA English DT Article; Proceedings Paper CT 11th Symposium on Rediation Measurements and Applications CY MAY 23-26, 2006 CL Univ Michigan, Ann Arbor, MI HO Univ Michigan DE photonuclear; cargo inspection; nuclear material detection AB The Idaho National Laboratory, in collaboration with Idaho State University's Idaho Accelerator Center and the Los Alamos National Laboratory, continues to develop the Pulsed Photonuclear Assessment (PPA) technique for shielded nuclear material detection in large volume configurations, such as cargo containers. In recent years, the Department of Homeland Security has supported the development of a prototype PPA cargo inspection system. This PPA system integrates novel neutron and gamma-ray detectors for nuclear material detection along with a complementary and unique gray scale, density mapping component for significant shield material detection. This paper will present the developmental status of the prototype system, its detection performance using several INL Calibration Pallets, and planned enhancements to further increase its nuclear material detection capability. (c) 2007 Published by Elsevier B.V. C1 Idaho Natl Lab, Idaho Falls, ID 83415 USA. Idaho Accerator Ctr ISU, Pocatello, ID 83201 USA. Los Alamos Natl Lab, Los Alamos, NM 87585 USA. RP Jones, JL (reprint author), Idaho Natl Lab, POB 1625,MS 2802, Idaho Falls, ID 83415 USA. EM James.Jones@inl.gov RI Johnson, James/B-9689-2017 OI Johnson, James/0000-0002-3434-4413 NR 6 TC 4 Z9 4 U1 0 U2 2 PU ELSEVIER SCIENCE BV PI AMSTERDAM PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS SN 0168-9002 J9 NUCL INSTRUM METH A JI Nucl. Instrum. Methods Phys. Res. Sect. A-Accel. Spectrom. Dect. Assoc. Equip. PD AUG 21 PY 2007 VL 579 IS 1 BP 353 EP 356 DI 10.1016/j.nima.2007.04.075 PG 4 WC Instruments & Instrumentation; Nuclear Science & Technology; Physics, Nuclear; Physics, Particles & Fields SC Instruments & Instrumentation; Nuclear Science & Technology; Physics GA 208VX UT WOS:000249348400087 ER PT J AU Ziock, KP Nelson, KE AF Ziock, Klaus-Peter Nelson, Karl E. TI Maximum detector sizes required for orphan source detection SO NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT LA English DT Article; Proceedings Paper CT 11th Symposium on Rediation Measurements and Applications CY MAY 23-26, 2006 CL Univ Michigan, Ann Arbor, MI HO Univ Michigan DE orphan source detection; background radiation; gamma-ray detection ID LARGE-AREA AB Orphan source detection is hampered by fluctuations in the natural background. These fluctuations act as systematic errors that limit the effectiveness of large detectors during a search. Large detectors just map background variations more accurately, while small detectors are dominated by counting-statistics errors. This suggests that there is a maximum effective size for a search detector that occurs approximately where the two variances are equal. (c) 2007 Elsevier B.V. All rights reserved. C1 Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA. LLNL, Livermore, CA 94550 USA. RP Ziock, KP (reprint author), Oak Ridge Natl Lab, 1 Bethel Valley Rd, Oak Ridge, TN 37831 USA. EM ziockk@ornl.gov NR 8 TC 16 Z9 16 U1 0 U2 6 PU ELSEVIER SCIENCE BV PI AMSTERDAM PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS SN 0168-9002 J9 NUCL INSTRUM METH A JI Nucl. Instrum. Methods Phys. Res. Sect. A-Accel. Spectrom. Dect. Assoc. Equip. PD AUG 21 PY 2007 VL 579 IS 1 BP 357 EP 362 DI 10.1016/j.nima.2007.04.061 PG 6 WC Instruments & Instrumentation; Nuclear Science & Technology; Physics, Nuclear; Physics, Particles & Fields SC Instruments & Instrumentation; Nuclear Science & Technology; Physics GA 208VX UT WOS:000249348400088 ER PT J AU Vetter, K Burks, M Cork, C Cunningham, M Chivers, D Hull, E Krings, T Manini, H Mlhallescu, L Nelson, K Protic, D Valentine, J Wright, D AF Vetter, K. Burks, M. Cork, C. Cunningham, M. Chivers, D. Hull, E. Krings, T. Manini, H. Mlhallescu, L. Nelson, K. Protic, D. Valentine, J. Wright, D. TI High-sensitivity compton imaging with position-sensitive Si and Ge detectors SO NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT LA English DT Article; Proceedings Paper CT 11th Symposium on Rediation Measurements and Applications CY MAY 23-26, 2006 CL Univ Michigan, Ann Arbor, MI HO Univ Michigan DE gamma-ray imaging; segmented HPGe detector; segmented Si(Li) detectors; Compton camera ID CAMERA AB We report on the development of high-sensitivity and compact Compton imaging systems built of large and position-sensitive Si(Li) and HPGe detectors. The primary goal of this effort is to provide improved capabilities in the passive detection of nuclear materials for homeland security. Our detectors are implemented in double-sided strip configuration, which-along with digital signal processing-provides energies and three-dimensional position information of individual gamma-ray interactions. gamma-Ray tracking algorithms then determine the scattering sequence of the y-ray, which in turn allows us-employing the Compton scattering formula-to reconstruct a cone of possible incident angles and ultimately an image. This Compton imaging concept enables large-field-of-view gamma-ray imaging without the use of a heavy collimator or aperture. The intrinsically high-energy resolution of the detectors used, the excellent position resolution we have demonstrated, both combined with the high efficiency of large-volume detectors is the basis for high Compton imaging sensitivity. These capabilities are being developed to identify and localize potential threat sources and to potentially increase the sensitivity in detecting weak sources out of the midst of natural, medical, or commercial sources. y-ray imaging provides a new degree of freedom to distinguish between spatial and temporal background fluctuations and compact threat sources. (c) 2007 Elsevier B.V. All rights reserved. C1 Lawrence Livermore Natl Lab, Livermore, CA 94550 USA. Forschungszentrum Julich, Inst Kernphys, D-52425 Julich, Germany. RP Vetter, K (reprint author), Lawrence Livermore Natl Lab, Livermore, CA 94550 USA. EM kvetter@llnl.gov NR 6 TC 43 Z9 43 U1 1 U2 12 PU ELSEVIER SCIENCE BV PI AMSTERDAM PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS SN 0168-9002 J9 NUCL INSTRUM METH A JI Nucl. Instrum. Methods Phys. Res. Sect. A-Accel. Spectrom. Dect. Assoc. Equip. PD AUG 21 PY 2007 VL 579 IS 1 BP 363 EP 366 DI 10.1016/j.nima.2007.04.076 PG 4 WC Instruments & Instrumentation; Nuclear Science & Technology; Physics, Nuclear; Physics, Particles & Fields SC Instruments & Instrumentation; Nuclear Science & Technology; Physics GA 208VX UT WOS:000249348400089 ER PT J AU Wulf, EA Phlips, BF Johnson, WN Kurfess, JD Novikova, EI O'Connor, P De Geronimo, G AF Wulf, Eric A. Phlips, Bernard F. Johnson, W. Neil Kurfess, James D. Novikova, Elena I. O'Connor, Paul De Geronimo, Gianluigi TI Compton imager for detection of special nuclear material SO NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT LA English DT Article; Proceedings Paper CT 11th Symposium on Rediation Measurements and Applications CY MAY 23-26, 2006 CL Univ Michigan, Ann Arbor, MI HO Univ Michigan DE gamma ray; Compton; silicon; SNM AB A Compton imager design for the detection of Special Nuclear Material (SNM), with specific focus on shielded Highly Enriched Uranium (HEU) is presented. It is based on a large field-of-view Compton gamma-ray imager that uses 24 layers of 2 mm thick, position-sensitive (1.4mm strips) silicon detectors, designed for room-temperature operation, as a scatterer and a position-sensitive NaI scintillator array as the absorber. Each layer of silicon detectors consists of double-sided silicon strip detectors daisy chained in a 3 x 3 array with a total active area of 729 cm(2). The NaI detectors are 2.9 x 2.9 cm(2) and 7.6 cm thick and will cover the bottom and sides of the instrument. Simulations of an ASIC-based readout system show that an energy resolution of 4.5keV full-width at half-maximum (FWHM) at room temperature is attainable on each daisy-chained silicon strip assuming 35 pF of capacitance and 20 nA of leakage current. Full simulations of the current instrument design are shown and are demonstrated that it can detect 8 kg of shielded HEU at 2.5m in 1 min in a realistic gamma-ray background environment. (c) 2007 Elsevier B.V. All rights reserved. C1 USN, Res Lab, High Energy Space Environm Branch, Washington, DC 20375 USA. Brookhaven Natl Lab, Instrumentat Div, Upton, NY 11973 USA. RP Wulf, EA (reprint author), USN, Res Lab, High Energy Space Environm Branch, 4555 Overlook Ave SW, Washington, DC 20375 USA. EM eric.wulf@nrl.navy.mil RI Wulf, Eric/B-1240-2012; Johnson, Neil/G-3309-2014 NR 6 TC 35 Z9 35 U1 0 U2 6 PU ELSEVIER SCIENCE BV PI AMSTERDAM PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS SN 0168-9002 J9 NUCL INSTRUM METH A JI Nucl. Instrum. Methods Phys. Res. Sect. A-Accel. Spectrom. Dect. Assoc. Equip. PD AUG 21 PY 2007 VL 579 IS 1 BP 371 EP 374 DI 10.1016/j.nima.2007.04.085 PG 4 WC Instruments & Instrumentation; Nuclear Science & Technology; Physics, Nuclear; Physics, Particles & Fields SC Instruments & Instrumentation; Nuclear Science & Technology; Physics GA 208VX UT WOS:000249348400091 ER PT J AU Venkataraman, R Villani, M Croft, S McClay, P McElroy, R Kane, S Mueller, W Estep, R AF Venkataraman, Ramkumar Villani, Marcel Croft, Stephen McClay, Patricia McElroy, Robert Kane, Susan Mueller, Wilhelm Estep, Robert TI An integrated Tomographic Gamma Scanning system for non-destructive assay of radioactive waste SO NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT LA English DT Article; Proceedings Paper CT 11th Symposium on Rediation Measurements and Applications CY MAY 23-26, 2006 CL Univ Michigan, Ann Arbor, MI HO Univ Michigan DE tomographic gamma scanner; segmented gamma scanner; radioactive waste; non-destructive assay AB The Tomographic Gamma Scanning (TGS) technique is a relatively new method in the field of non-destructive assay (NDA) of radioactive waste. The TGS technique combines High Resolution Gamma Spectrometry (HRGS) with Three-Dimensional (3-D) low spatial resolution transmission and emission image reconstruction techniques to achieve assay goals. When compared to the traditional methods such as Segmented Gamma Scanning (SGS), the TGS technique can yield better accuracies for cases where the radionuclide is distributed non-uniformly in a heterogeneous matrix. The TGS technique is ideally suited for low-to-moderate density waste matrices, say 1.0 g cm(-3) or below for 55 US gal. drums, although it can be extended to higher densities by using alternative approaches to the design or analyses. Recently Canberra Industries designed, built and characterized four such TGS systems for nuclear power plant applications. Many of the design features and the end application itself set these TGS systems apart from the others that had been built previously. The four TGS systems are the first commercial grade systems that could quantify radionuclides contained in nuclear power plant waste, using the TGS technique. The TGS systems featured two different combinations of collimator and source-detector distance; a "near" geometry with a collimator aperture of 50.8 min and a "Far" geometry with a narrower collimator aperture of 40.6 mm. For assaying drums with matrix densities greater than 1.0 g cm(-3) and/or dose rates greater than 6 mSv h(-1) the system could be configured as a SGS. In the SGS mode, five different assay geometries could be configured using different collimator, source-to-detector distance and absorber combinations. During operation, the appropriate assay geometry was selected automatically based on the drum weight (density) and dose rate measurements. The characterization and performance of the one of the TGS systems are discussed in detail for both TGS and SGS modes of operation. Quantitative results are presented for point source and rod source nuclide distributions. Transmission and emission images obtained in the TGS assays will be presented. (c) 2007 Elsevier B.V. All rights reserved. C1 Canberra Ind Inc, Meriden, CT 06450 USA. Los Alamos Natl Lab, Adv Nucl Technol Grp N2, Los Alamos, NM 87545 USA. RP Venkataraman, R (reprint author), Canberra Ind Inc, 800 Res Pkwy, Meriden, CT 06450 USA. EM rvenkataraman@canberra.com NR 7 TC 9 Z9 10 U1 0 U2 3 PU ELSEVIER SCIENCE BV PI AMSTERDAM PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS SN 0168-9002 J9 NUCL INSTRUM METH A JI Nucl. Instrum. Methods Phys. Res. Sect. A-Accel. Spectrom. Dect. Assoc. Equip. PD AUG 21 PY 2007 VL 579 IS 1 BP 375 EP 379 DI 10.1016/j.nima.2007.04.125 PG 5 WC Instruments & Instrumentation; Nuclear Science & Technology; Physics, Nuclear; Physics, Particles & Fields SC Instruments & Instrumentation; Nuclear Science & Technology; Physics GA 208VX UT WOS:000249348400092 ER PT J AU Akkurt, H Wagner, J Eckerman, K AF Akkurt, Hatice Wagner, John Eckerman, Keith TI Hand held instruments for landmine detection: View from radiation dosimetry SO NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT LA English DT Article; Proceedings Paper CT 11th Symposium on Rediation Measurements and Applications CY MAY 23-26, 2006 CL Univ Michigan, Ann Arbor, MI HO Univ Michigan DE landmine detection; occupational exposure; operator AB Hand held instruments have been proposed and widely studied for landmine detection. However, the operator is not included in these design studies. In this paper, the dose rate received by an operator of a hand held instrument for landmine detection is analyzed using a computational phantom model with Monte Carlo simulations for different source types and source-to-operator distances. The analysis is performed for bare and shielded sources in order to assess the impact of shielding on the operator dose. Additionally, the impact of having soil with varying moisture content has also been investigated. The analysis results, based on Monte Carlo simulations, showed that in addition to source properties, energy, shielding, and source-to-operator distance, the dose received by the operator also depends on soil characteristics. Furthermore, although the effective dose decreases as a function of source-to-operator distance, the absorbed and equivalent dose to some organs at radiogenic risk; e.g. the lungs, thyroid, and stomach, increases with source-to-operator distances, up to 125 cm. Published by Elsevier B.V. C1 Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA. RP Akkurt, H (reprint author), Oak Ridge Natl Lab, POB 2008, Oak Ridge, TN 37831 USA. EM akkurth@ornl.gov RI Wagner, John/K-3644-2015 OI Wagner, John/0000-0003-0257-4502 NR 8 TC 0 Z9 0 U1 0 U2 0 PU ELSEVIER SCIENCE BV PI AMSTERDAM PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS SN 0168-9002 J9 NUCL INSTRUM METH A JI Nucl. Instrum. Methods Phys. Res. Sect. A-Accel. Spectrom. Dect. Assoc. Equip. PD AUG 21 PY 2007 VL 579 IS 1 BP 391 EP 394 DI 10.1016/j.nima.2007.04.097 PG 4 WC Instruments & Instrumentation; Nuclear Science & Technology; Physics, Nuclear; Physics, Particles & Fields SC Instruments & Instrumentation; Nuclear Science & Technology; Physics GA 208VX UT WOS:000249348400096 ER PT J AU Nemzek, R Kenyon, G Koehler, A Lee, DM Priedhorsky, W Raby, EY AF Nemzek, R. Kenyon, G. Koehler, A. Lee, D. M. Priedhorsky, W. Raby, E. Y. TI SNM-DAT: Simulation of a heterogeneous network for nuclear border security SO NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT LA English DT Article; Proceedings Paper CT 11th Symposium on Rediation Measurements and Applications CY MAY 23-26, 2006 CL Univ Michigan, Ann Arbor, MI HO Univ Michigan DE nuclear; security; DSN; border; radiation; sensor network ID DETECTOR AB We approach the problem of detecting Special Nuclear Material (SNM) smuggling across open borders by modeling a heterogeneous sensor network using an agent-based simulation. Our simulation SNM Data Analysis Tool (SNM-DAT) combines fixed seismic, metal, and radiation detectors with a mobile gamma spectrometer. Decision making within the simulation determines threat levels by combined signatures. The spectrometer is a limited-availability asset, and is only deployed for substantial threats. "Crossers" can be benign or carrying shielded SNM. Signatures and sensors are physics based, allowing us to model realistic sensor networks. The heterogeneous network provides great gains in detection efficiency compared to a radiation-only system. We can improve the simulation through better sensor and terrain models, additional signatures, and crossers that mimic actual trans-border traffic. We expect further gains in our ability to design sensor networks as we learn the emergent properties of heterogeneous detection, and potential adversary responses. (c) 2007 Elsevier B.V. All rights reserved. C1 Los Alamos Natl Lab, Los Alamos, NM 87545 USA. RP Nemzek, R (reprint author), Los Alamos Natl Lab, POB 1663, Los Alamos, NM 87545 USA. EM nemzek@lanl.gov OI Priedhorsky, William/0000-0003-0295-9138; Raby, Eric/0000-0002-5690-5867 NR 3 TC 0 Z9 0 U1 0 U2 0 PU ELSEVIER SCIENCE BV PI AMSTERDAM PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS SN 0168-9002 J9 NUCL INSTRUM METH A JI Nucl. Instrum. Methods Phys. Res. Sect. A-Accel. Spectrom. Dect. Assoc. Equip. PD AUG 21 PY 2007 VL 579 IS 1 BP 414 EP 417 DI 10.1016/j.nima.2007.04.090 PG 4 WC Instruments & Instrumentation; Nuclear Science & Technology; Physics, Nuclear; Physics, Particles & Fields SC Instruments & Instrumentation; Nuclear Science & Technology; Physics GA 208VX UT WOS:000249348400102 ER PT J AU Cooper, MW McIntyre, JI Bowyer, TW Carman, AJ Hayes, JC Heimbigner, TR Hubbard, CW Lidey, L Litke, KE Morris, SJ Ripplinger, MD Suarez, R Thompson, R AF Cooper, Matthew W. McIntyre, Justin I. Bowyer, Ted W. Carman, April J. Hayes, James C. Heimbigner, Tom R. Hubbard, Charles W. Lidey, Lance Litke, Kevin E. Morris, Scott J. Ripplinger, Michael D. Suarez, Reynold Thompson, Robert TI Redesigned beta-gamma radioxenon detector SO NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT LA English DT Article; Proceedings Paper CT 11th Symposium on Rediation Measurements and Applications CY MAY 23-26, 2006 CL Univ Michigan, Ann Arbor, MI HO Univ Michigan DE beta-gamma coincidence; Radioxenon; Nuclear explosion monitoring AB The Automated Radio-xenon Sampler/Analyzer (ARSA), designed by Pacific Northwest National Laboratory (PNNL) collects and detects several radioxenon isotopes, and is used to monitor underground nuclear explosions. The ARSA is very sensitive to Xe-133, Xe-131m, Xe-133m, and Xe-135 (< 1 mBq/SCM) [M. Auera et al., Wernspergera, Appl. Radiat. 6 (2004) 60] through use of its compact high efficiency beta-gamma coincidence detector. For this reason, it is an excellent treaty monitoring system and it can be used as an environmental sampling device as well. Field testing of the ARSA has shown it to be both robust and reliable, but the nuclear detector requires a detailed photomultiplier tube (PMT) gain matching regime difficult to implement in a field environment. Complexity is a problem from a maintenance and quality assurance/quality control (QA/QC) standpoint, and efforts to reduce these issues have led to development of a simplified beta-gamma coincident detector. The new design reduces the number of PMT's and the complexity of the calibration needed in comparison to the old design. New scintillation materials (NaI(TI), CsI(Na), and CsI(TI)) were investigated and a comparison of three different gamma sensitive well detectors has been completed. A new plastic-scintillator gas cell was constructed and a new method of forming the scintillator gas cell was developed. The simplified detector system compares favorably with the original ARSA design in spectral resolution and efficiency and is significantly easier to set up and calibrate. The new materials and configuration allow the resulting beta-gamma coincidence detector to maintain the overall performance of the ARSA type beta-gamma detector while simplifying the design. Published by Elsevier B.V. C1 Pacific NW Natl Lab, Richland, WA 99354 USA. RP Cooper, MW (reprint author), Pacific NW Natl Lab, 902 Battelle Blvd, Richland, WA 99354 USA. EM matthew.cooper@pnl.gov RI McIntyre, Justin/P-1346-2014 OI McIntyre, Justin/0000-0002-3706-4310 NR 5 TC 13 Z9 14 U1 0 U2 5 PU ELSEVIER SCIENCE BV PI AMSTERDAM PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS SN 0168-9002 J9 NUCL INSTRUM METH A JI Nucl. Instrum. Methods Phys. Res. Sect. A-Accel. Spectrom. Dect. Assoc. Equip. PD AUG 21 PY 2007 VL 579 IS 1 BP 426 EP 430 DI 10.1016/j.nima.2007.04.092 PG 5 WC Instruments & Instrumentation; Nuclear Science & Technology; Physics, Nuclear; Physics, Particles & Fields SC Instruments & Instrumentation; Nuclear Science & Technology; Physics GA 208VX UT WOS:000249348400104 ER PT J AU Hennig, WG Tan, H Fallu-Labruyere, A Warburton, WK McIntyre, JI Gleyzer, A AF Hennig, Wolfgang Tan, Hui Fallu-Labruyere, Anthony Warburton, William K. McIntyre, Justin I. Gleyzer, Anshel TI A phoswich well detector for radioxenon monitoring SO NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT LA English DT Article; Proceedings Paper CT 11th Symposium on Rediation Measurements and Applications CY MAY 23-26, 2006 CL Univ Michigan, Ann Arbor, MI HO Univ Michigan DE phoswich detector; Digital pulse shape analysis; Radioxenon monitoring; Beta-gamma coincidence detection AB One of several methods used to detect nuclear weapons testing is the monitoring of radioactive xenon in the atmosphere. For high sensitivity, monitoring stations use a complex system of separate beta and gamma detectors to detect beta-gamma coincidences from characteristic radioxenon isotopes in small amounts of xenon extracted from large volumes of air. We report a simpler approach that uses a single phoswich detector, comprising optically coupled plastic and CsI scintillators to absorb beta particles and gamma rays, respectively, and then detect coincidences by pulse shape analysis of the detector signal. Previous studies with a planar prototype detector have shown that the technique can clearly separate beta only, gamma only and coincidence events, does not degrade the energy resolution, and has an error rate for detecting coincidences of less than 0.1%. In this paper, we will present a new phoswich well detector design, consisting of a 1" diameter plastic cell enclosed in a 3" Csl crystal. Based on Monte Carlo modeling and experimental results, the design will be characterized in terms of energy resolution and its ability to separate beta and gamma only, and coincidence events. (c) 2007 Elsevier B.V. All rights reserved. C1 XIA LLC, Hayward, CA 94544 USA. Pacific NW Natl Lab, Richland, WA 99352 USA. PhotoPeak Inc, Chagrin Falls, OH 44023 USA. RP Hennig, WG (reprint author), XIA LLC, 31057 Genstar Rd, Hayward, CA 94544 USA. EM whennig@xia.com RI McIntyre, Justin/P-1346-2014 OI McIntyre, Justin/0000-0002-3706-4310 NR 4 TC 13 Z9 13 U1 0 U2 2 PU ELSEVIER SCIENCE BV PI AMSTERDAM PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS SN 0168-9002 J9 NUCL INSTRUM METH A JI Nucl. Instrum. Methods Phys. Res. Sect. A-Accel. Spectrom. Dect. Assoc. Equip. PD AUG 21 PY 2007 VL 579 IS 1 BP 431 EP 436 DI 10.1016/j.nima.2007.04.093 PG 6 WC Instruments & Instrumentation; Nuclear Science & Technology; Physics, Nuclear; Physics, Particles & Fields SC Instruments & Instrumentation; Nuclear Science & Technology; Physics GA 208VX UT WOS:000249348400105 ER PT J AU Campbell, L Gao, F Devanathan, R Weber, WJ AF Campbell, Luke Gao, Fel Devanathan, Ram Weber, William J. TI Model of plasmon decay for electron cascade simulation SO NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT LA English DT Article; Proceedings Paper CT 11th Symposium on Rediation Measurements and Applications CY MAY 23-26, 2006 CL Univ Michigan, Ann Arbor, MI HO Univ Michigan DE plasmon decay; semiconductor radiation detectors; electron-hole pair production; Monte Carlo simulation ID PHONON EMISSION; FANO FACTOR; SILICON; SEMICONDUCTOR; ENERGY; IONIZATION; DETECTORS; SCATTERING AB A dominant energy loss mechanism for electrons in radiation cascades is the excitation of plasmons. Once created, plasmons eventually decay through interband transitions, leading to the production of additional charge carriers that are responsible for much of the signal measured by the detector. The cross-sections for exciting plasmons and charge carrier pairs follow from the material's dielectric function, The energy distribution of the resulting secondary particles can be obtained from the one-electron orbitals in the random phase approximation (RPA). We apply this method to a nearly free electron crystal for plasmon decays. A Monte Carlo simulation of the resulting decay cascade is carried out for material parameters appropriate to silicon, using the Callaway-Tosatti dielectric function for cascading electrons and holes. Parameters that characterize the detector performance (mean energy to produce a charge carrier pair and the Fano factor) are determined, and are found to be sensitive to the low-energy electronic structure. (c) 2007 Published by Elsevier B.V. C1 Pacific NW Natl Lab, Richland, WA 99352 USA. RP Campbell, L (reprint author), Pacific NW Natl Lab, Richland, WA 99352 USA. EM luke.campbell@pnl.gov RI Weber, William/A-4177-2008; Gao, Fei/H-3045-2012; Devanathan, Ram/C-7247-2008 OI Weber, William/0000-0002-9017-7365; Devanathan, Ram/0000-0001-8125-4237 NR 14 TC 3 Z9 3 U1 0 U2 3 PU ELSEVIER SCIENCE BV PI AMSTERDAM PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS SN 0168-9002 J9 NUCL INSTRUM METH A JI Nucl. Instrum. Methods Phys. Res. Sect. A-Accel. Spectrom. Dect. Assoc. Equip. PD AUG 21 PY 2007 VL 579 IS 1 BP 454 EP 457 DI 10.1016/j.nima.2007.04.095 PG 4 WC Instruments & Instrumentation; Nuclear Science & Technology; Physics, Nuclear; Physics, Particles & Fields SC Instruments & Instrumentation; Nuclear Science & Technology; Physics GA 208VX UT WOS:000249348400110 ER PT J AU Ahmad, I Kondev, FG Greene, JP Kellett, MA Nichols, AL AF Ahmad, I. Kondev, F. G. Greene, J. P. Kellett, M. A. Nichols, A. L. TI Measurement of the Pu-240 half-life SO NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT LA English DT Article; Proceedings Paper CT 11th Symposium on Rediation Measurements and Applications CY MAY 23-26, 2006 CL Univ Michigan, Ann Arbor, MI HO Univ Michigan DE radioactivity Cm-244; measured T-1/2 (Pu-240) AB The half-life of Pu-240 has been determined by measuring its growth in a Cm-244 source. A thin source of Cm-244 was prepared by an electromagnetic isotope separator for this measurement, and the daughter nuclide Pu-240 was allowed to grow for 32.7 yr. The alpha spectrum of the Cm-244 source was measured with silicon detectors and the ratio of the Pu-240 and Cm-244 activities was determined. From this ratio and the previously known half-life Of Cm-244 (18.11 +/- 0.03 yr), the half-life of Pu-240 was determined to be T-1/2 = 6545 +/- 19 yr. This is in excellent agreement with the value of 6564 11 yr recommended by the US Half-Life Evaluation Committee. (c) 2007 Elsevier B.V. All rights reserved. C1 Argonne Natl Lab, Argonne, IL 60439 USA. IAEA, Dept Nucl Sci & Applicat, Nucl Data Sect, A-1400 Vienna, Austria. RP Ahmad, I (reprint author), Argonne Natl Lab, 9700 S Cass Ave, Argonne, IL 60439 USA. EM ahmad@phy.anl.gov NR 11 TC 4 Z9 4 U1 0 U2 0 PU ELSEVIER SCIENCE BV PI AMSTERDAM PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS SN 0168-9002 J9 NUCL INSTRUM METH A JI Nucl. Instrum. Methods Phys. Res. Sect. A-Accel. Spectrom. Dect. Assoc. Equip. PD AUG 21 PY 2007 VL 579 IS 1 BP 458 EP 460 DI 10.1016/j.nima.2007.04.096 PG 3 WC Instruments & Instrumentation; Nuclear Science & Technology; Physics, Nuclear; Physics, Particles & Fields SC Instruments & Instrumentation; Nuclear Science & Technology; Physics GA 208VX UT WOS:000249348400111 ER PT J AU Zimmerman, JA Becchetti, FD Griffin, HC Roberts, DA Lee, MY O'Donnell, TW Brown, JA Ronningen, RM Glasmacher, T Ibbotson, RW Scheit, H Pritychenko, B Anthony, DW Lofy, PA Steiner, M AF Zimmerman, J. A. Becchetti, F. D. Griffin, H. C. Roberts, D. A. Lee, M. Y. O'Donnell, T. W. Brown, J. A. Ronningen, R. M. Glasmacher, T. Ibbotson, R. W. Scheit, H. Pritychenko, B. Anthony, D. W. Lofy, P. A. Steiner, M. TI Nuclear reactions with radioactive, isomer beams: Coulomb excitation of F-18(g.s.) and its J pi=5(+) isomer F-18(m) using a large position-sensitive NaI array SO NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT LA English DT Article; Proceedings Paper CT 11th Symposium on Rediation Measurements and Applications CY MAY 23-26, 2006 CL Univ Michigan, Ann Arbor, MI HO Univ Michigan DE coulomb excitation; radioactive nuclear beams; position-sensitive gamma-array; isomer beams AB Intermediate-energy projectile Coulomb excitation of the unstable nucleus F-18(g.s.) and its short-lived E-x = 1.1 MeV (J(pi) = 5(+)) isomeric state (t(1/2) = 162 ns) F-18(m) have been studied at 30 MeV per nucleon. Radioactive beams of F-18(g.s.) and F-18(m) nuclei were produced by nucleon transfer on a carbon production target and delivered to a secondary Au-197 target for Coulomb excitation. Photons emitted in the vicinity of the Au-197 target were detected in a large-solid-angle position-sensitive NaI(TI) array, which allowed for the identification of the beam and target excited states populated by intermediate-energy Coulomb excitation. Two possible F-18 ground-state excitations were identified, and B(E lambda up arrow) values were deduced. Upper limits were established for reduced transition probabilities B(E1 up arrow) and B(E2 up arrow) of several predicted transitions from the F-18(m) isomeric state, 5(+) -> 4(+), -> 4(-), 3(+), and compared with values inferred from gamma-decay lifetimes. An indication of an enhanced in-flight isomer decay, possibly due to the Coulomb interaction with the target is observed and discussed. The special detector configurations and analytical techniques needed for these types of measurements are described together with suggested improvements. (c) 2007 Elsevier B.V. All rights reserved. C1 SW Missouri State Univ, Dept Chem, Springfield, MO 65897 USA. Univ Michigan, Dept Phys, Ann Arbor, MI 48109 USA. Wabash Coll, Dept Phys, Crawfordsville, IN 47933 USA. Michigan State Univ, Natl Superconducting Cyclotron Lab, E Lansing, MI 48824 USA. Soleo Commun, Fairport, NY 14450 USA. Max Planck Inst Kernphys, D-69117 Heidelberg, Germany. Brookhaven Natl Lab, Upton, NY 11973 USA. Knobbe Martens Olson & Bear LLP, Irvine, CA 92614 USA. Fifth USA, Ft Sam Houston, TX 78234 USA. RP Zimmerman, JA (reprint author), SW Missouri State Univ, Dept Chem, Springfield, MO 65897 USA. EM jazimmennan@missouristate.edu RI Scheit, Heiko/B-4779-2008; Glasmacher, Thomas/C-4462-2008; Brown, James/A-7373-2012; Glasmacher, Thomas/H-9673-2014 OI Scheit, Heiko/0000-0002-8937-1101; Brown, James/0000-0003-0548-8634; Glasmacher, Thomas/0000-0001-9436-2448 NR 9 TC 0 Z9 0 U1 0 U2 1 PU ELSEVIER SCIENCE BV PI AMSTERDAM PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS SN 0168-9002 J9 NUCL INSTRUM METH A JI Nucl. Instrum. Methods Phys. Res. Sect. A-Accel. Spectrom. Dect. Assoc. Equip. PD AUG 21 PY 2007 VL 579 IS 1 BP 476 EP 480 DI 10.1016/j.nima.2007.04.124 PG 5 WC Instruments & Instrumentation; Nuclear Science & Technology; Physics, Nuclear; Physics, Particles & Fields SC Instruments & Instrumentation; Nuclear Science & Technology; Physics GA 208VX UT WOS:000249348400116 ER PT J AU Hoppe, EW Seifert, A Aalseth, CE Bachelor, PP Day, AR Edwards, DJ Hossbach, TW Litke, KE McIntyre, JI Miley, HS Schulte, SM Smart, JE Warren, GA AF Hoppe, E. W. Seifert, A. Aalseth, C. E. Bachelor, P. P. Day, A. R. Edwards, D. J. Hossbach, T. W. Litke, K. E. McIntyre, J. I. Miley, H. S. Schulte, S. M. Smart, J. E. Warren, G. A. TI Cleaning and passivation of copper surfaces to remove surface radioactivity and prevent oxide formation SO NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT LA English DT Article; Proceedings Paper CT 11th Symposium on Rediation Measurements and Applications CY MAY 23-26, 2006 CL Univ Michigan, Ann Arbor, MI HO Univ Michigan DE ultra-low background; surface contamination; surface preparation; surface passivation; high-purity copper; double-beta decay AB High-purity copper is an attractive material for constructing ultra-low-background radiation measurement devices. Many low-background experiments using high-purity copper have indicated surface contamination emerges as the dominant background. Radon daughters plate out on exposed surfaces, leaving a residual 2 Pb-210 background that is difficult to avoid. Dust is also a problem; even under cleanroom conditions, the amount of U and Th deposited on surfaces can represent the largest remaining background. To control these backgrounds, a copper cleaning chemistry has been developed. Designed to replace an effective, but overly aggressive concentrated nitric acid etch, this peroxide-based solution allows for a more controlled cleaning of surfaces. The acidified hydrogen peroxide solution will generally target the Cu+/Cu2+ species which are the predominant surface participants, leaving the bulk of copper metal intact. This preserves the critical tolerances of parts and eliminates significant waste disposal issues. Accompanying passivation chemistry has also been developed that protects copper surfaces from oxidation. Using a high-activity polonium surface spike, the most difficult-to-remove daughter isotope of radon, the performance of these methods are quantified. (c) 2007 Elsevier B.V. All rights reserved. C1 Pacific NW Natl Lab, Richland, WA 99352 USA. RP Seifert, A (reprint author), Pacific NW Natl Lab, POB 999, Richland, WA 99352 USA. EM allen.seifert@pnl.gov RI McIntyre, Justin/P-1346-2014; OI McIntyre, Justin/0000-0002-3706-4310; Day, Anthony/0000-0002-1217-1822 NR 4 TC 18 Z9 18 U1 2 U2 12 PU ELSEVIER SCIENCE BV PI AMSTERDAM PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS SN 0168-9002 J9 NUCL INSTRUM METH A JI Nucl. Instrum. Methods Phys. Res. Sect. A-Accel. Spectrom. Dect. Assoc. Equip. PD AUG 21 PY 2007 VL 579 IS 1 BP 486 EP 489 DI 10.1016/j.nima.2007.04.101 PG 4 WC Instruments & Instrumentation; Nuclear Science & Technology; Physics, Nuclear; Physics, Particles & Fields SC Instruments & Instrumentation; Nuclear Science & Technology; Physics GA 208VX UT WOS:000249348400118 ER PT J AU Moxom, J Hathaway, AG Bodnaruk, EW Hawari, AI Xu, J AF Moxom, J. Hathaway, A. G. Bodnaruk, E. W. Hawari, A. I. Xu, J. TI Performance analysis of the intense slow-positron beam at the NC State University PULSTAR reactor SO NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT LA English DT Article; Proceedings Paper CT 11th Symposium on Rediation Measurements and Applications CY MAY 23-26, 2006 CL Univ Michigan, Ann Arbor, MI HO Univ Michigan DE slow positron; beam; nuclear reactor; tungsten; moderator AB An intense positron beam, for application in nanophase characterization, is now under construction at the I MW PULSTAR nuclear reactor at North Carolina State University (NCSU). A tungsten converter/moderator is used, allowing positrons to be emitted from the surface with energies of a few electron volts. These slow positrons will be extracted from the moderator and formed into a beam by electrostatic lenses and then injected into a solenoidal magnetic field for transport to one of three experimental stations, via a beam switch. To optimize the performance of the beam and to predict the slow-positron intensity, a series of simulations were performed. A specialized Monte-Carlo routine was integrated into the charged-particle transport calculations to allow accounting for the probabilities of positron re-emission and backscattering from multiple-bank moderator/converter configurations. The results indicate that either a two-bank or a four-bank tungsten moderator/converter system is preferred for the final beam design. The predicted slowpositron beam intensities range from nearly 7 x 10(8) to 9 x 10(8)e(+)/s for the two-bank and the four-bank systems, respectively. (c) 2007 Elsevier B.V. All rights reserved. C1 N Carolina State Univ, Dept Nucl Engn, Raleigh, NC 27695 USA. Oak Ridge Natl Lab, Div Chem & Analyt Sci, Oak Ridge, TN 37831 USA. RP Hawari, AI (reprint author), N Carolina State Univ, Dept Nucl Engn, Raleigh, NC 27695 USA. EM ayman.hawari@ncsu.edu NR 8 TC 4 Z9 4 U1 0 U2 2 PU ELSEVIER SCIENCE BV PI AMSTERDAM PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS SN 0168-9002 J9 NUCL INSTRUM METH A JI Nucl. Instrum. Methods Phys. Res. Sect. A-Accel. Spectrom. Dect. Assoc. Equip. PD AUG 21 PY 2007 VL 579 IS 1 BP 534 EP 537 DI 10.1016/j.nima.2007.04.117 PG 4 WC Instruments & Instrumentation; Nuclear Science & Technology; Physics, Nuclear; Physics, Particles & Fields SC Instruments & Instrumentation; Nuclear Science & Technology; Physics GA 208VX UT WOS:000249348400130 ER PT J AU Hathaway, AG Skalsey, M Frieze, WE Vallery, RS Gidley, DW Hawari, AI Xu, J AF Hathaway, A. G. Skalsey, M. Frieze, W. E. Vallery, R. S. Gidley, D. W. Hawari, A. I. Xu, J. TI Implementation of a prototype slow positron beam at the NC State University PULSTAR reactor SO NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT LA English DT Article; Proceedings Paper CT 11th Symposium on Rediation Measurements and Applications CY MAY 23-26, 2006 CL Univ Michigan, Ann Arbor, MI HO Univ Michigan DE slow positrons; intense positron beam; annihilation; nuclear reactor AB A prototype beam system was designed and tested to verify the potential of utilizing the North Carolina State University PULSTAR reactor in generating slow positrons. An annealed tungsten converter/moderator was placed at the end of beam tube #6 near the 14 PULSTAR core and surrounded by 0.5-mm-thick cadmium cover. Fission and cadmium capture gamma-rays were used to drive pair production reactions in the tungsten. The positrons emitted from tungsten were electrostatically focused and guided using a magnetic solenoid until they reached the exit of the biological shield. An aluminum plate that was placed near the exit served as an annihilation target for the positrons. A coincidence counting system was set up to measure the true coincidence rate of the 511 keV annihilation photons that are produced once the slow positrons strike the aluminum target. The data demonstrated the production and control of slow positrons at a rate greater than 10(7)e(+)/S. (c) 2007 Elsevier B.V. All rights reserved. C1 N Carolina State Univ, Dept Nucl Engn, Raleigh, NC 27695 USA. Univ Michigan, Dept Phys, Ann Arbor, MI 48109 USA. Oak Ridge Natl Lab, Div Chem & Analyt Sci, Oak Ridge, TN 37831 USA. RP Hawari, AI (reprint author), N Carolina State Univ, Dept Nucl Engn, Raleigh, NC 27695 USA. EM ayman.hawari@ncsu.edu NR 6 TC 12 Z9 12 U1 0 U2 3 PU ELSEVIER SCIENCE BV PI AMSTERDAM PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS SN 0168-9002 J9 NUCL INSTRUM METH A JI Nucl. Instrum. Methods Phys. Res. Sect. A-Accel. Spectrom. Dect. Assoc. Equip. PD AUG 21 PY 2007 VL 579 IS 1 BP 538 EP 541 DI 10.1016/j.nima.2007.03.036 PG 4 WC Instruments & Instrumentation; Nuclear Science & Technology; Physics, Nuclear; Physics, Particles & Fields SC Instruments & Instrumentation; Nuclear Science & Technology; Physics GA 208VX UT WOS:000249348400131 ER PT J AU Harding, LB Klippenstein, SJ Jasper, AW AF Harding, Lawrence B. Klippenstein, Stephen J. Jasper, Ahren W. TI Ab initio methods for reactive potential surfaces SO PHYSICAL CHEMISTRY CHEMICAL PHYSICS LA English DT Review ID TRANSITION-STATE THEORY; SET MODEL CHEMISTRY; CONFIGURATION-INTERACTION CALCULATIONS; MULTIREFERENCE PERTURBATION-THEORY; REFERENCE WAVE-FUNCTIONS; PRESSURE RATE-CONSTANT; ENERGY SURFACE; HIGH-TEMPERATURE; COUPLED-CLUSTER; ELECTRONIC-STRUCTURE AB Case studies of ten reactions using a variety of standard electronic structure methods are presented. These case studies are used to illustrate the usefulness and shortcomings of these standard methods for various classes of reactions. Limited comparisons with experiment are made. The reactions studied include four radical-radical combinations, H + CH3 -> CH4, CH3 + CH3 C2H3 H + HCO H2CO and CH3 + HCO -> CH3CHO, three abstraction reactions, H + HO2 -> H-2 + O-2,O- H + HCO H-2 + CO and CH3 + HCO CH4 + CO, a radical-inolecule addition, H + HCCH -> C2H3, and two molecular decompositions, H2CO -> H-2 + CO and CH3CHO -> CH4 + CO. The electronic structure methods used are DFT, MP2, CCSD(T), QCISD(T), CASSCF, CASPT2, and CAS + 1 + 2 + QC. C1 Argonne Natl Lab, Div Chem, Argonne, IL 60439 USA. RP Harding, LB (reprint author), Argonne Natl Lab, Div Chem, 9700 S Cass Ave, Argonne, IL 60439 USA. EM harding@anl.gov RI Jasper, Ahren/A-5292-2011; OI Klippenstein, Stephen/0000-0001-6297-9187 NR 135 TC 93 Z9 95 U1 7 U2 70 PU ROYAL SOC CHEMISTRY PI CAMBRIDGE PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS, ENGLAND SN 1463-9076 J9 PHYS CHEM CHEM PHYS JI Phys. Chem. Chem. Phys. PD AUG 21 PY 2007 VL 9 IS 31 BP 4055 EP 4070 DI 10.1039/b705390h PG 16 WC Chemistry, Physical; Physics, Atomic, Molecular & Chemical SC Chemistry; Physics GA 205FX UT WOS:000249100500010 PM 17687458 ER PT J AU Srinivasan, NK Su, MC Michael, JV AF Srinivasan, N. K. Su, M.-C. Michael, J. V. TI Reflected shock tube studies of high-temperature rate constants for OH+C2H2 and OH+C2H4 SO PHYSICAL CHEMISTRY CHEMICAL PHYSICS LA English DT Article ID DETAILED RATE COEFFICIENTS; EVALUATED KINETIC-DATA; HYDROXYL RADICALS; MULTIPASS ABSORPTION; ENTHALPY CHANGE; PRESSURE RANGE; OH RADICALS; COMBUSTION; PHOTOLYSIS; DISSOCIATION AB The reflected shock tube technique with multi-pass absorption spectrometric detection of OH-radicals at 308 nm (corresponding to a total path length of similar to 4.9 m) has been used to study the reactions, OH + C2H2 -> products (1) and OH + C2H4 -> C2H3 + H2O (2). The present optical configuration gives a S/N ratio of similar to 1 at similar to 0.5-1.0 x 10(12) radicals cm(-3). Hence, kinetics experiments could be performed at [OH](0) = similar to 4-20 ppm thereby minimizing secondary reactions. OH was produced rapidly from the dissociations of either CH3OH or NH2OH (hydroxylamine). A mechanism was then used to obtain profile fits that agreed with the experiment to within < +/- 5%. The derived Arrhenius expressions, in units of cm(3) molecule-(1) s(-1) are: k(1) = (1.03 +/- 0.24) x 10(-10) exp(-7212 +/- 417 K/T) for 1509-2362 K and k(2) = (10.2 +/- 5.8) x 10(-10) exp(-7411 +/- 871 K/T for 1463-1931 K. The present study is the first ever direct measurement for reaction at temperatures > 1275 K while the present results extend the temperature range for (2) by similar to 700 K. These values are compared with earlier determinations and with recent theoretical calculations. The calculations agree with the present data for both reactions to within +/- 10% over the entire T-range. C1 Argonne Natl Lab, Div Chem, Argonne, IL 60439 USA. RP Michael, JV (reprint author), Argonne Natl Lab, Div Chem, 9700 S Cass Ave, Argonne, IL 60439 USA. EM jmichael@anl.gov RI Michael, Joe/E-3907-2010 NR 64 TC 18 Z9 18 U1 4 U2 11 PU ROYAL SOC CHEMISTRY PI CAMBRIDGE PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS, ENGLAND SN 1463-9076 J9 PHYS CHEM CHEM PHYS JI Phys. Chem. Chem. Phys. PD AUG 21 PY 2007 VL 9 IS 31 BP 4155 EP 4163 DI 10.1039/b702267k PG 9 WC Chemistry, Physical; Physics, Atomic, Molecular & Chemical SC Chemistry; Physics GA 205FX UT WOS:000249100500017 PM 17687465 ER PT J AU Xu, H Kiefer, JH Sivaramakrishnan, R Giri, BR Tranter, RS AF Xu, Hui Kiefer, John H. Sivaramakrishnan, Raghu Giri, Binod R. Tranter, Robert S. TI Shock tube study of dissociation and relaxation in 1,1-difluoroethane and vinyl fluoride SO PHYSICAL CHEMISTRY CHEMICAL PHYSICS LA English DT Article ID VIBRATIONAL-RELAXATION; DIRECT DYNAMICS; LASER-SCHLIEREN; ELIMINATION; INCUBATION; KINETICS; WAVES; RRKM; PYROLYSIS; HF AB This paper reports measurements of the thermal dissociation of 1, 1-difluoroethane in the shock tube. The experiments employ laser-schlieren measurements of rate for the dominant HF elimination using 10% 1,1-difluoroethane in Kr over 1500-2000 K and 43 < P < 424 torr. The vinyl fluoride product of this process then dissociates affecting the late observations. We thus include a laser schlieren study (1717-2332 K, 75 < P < 482 torr in 10 and 4% vinyl fluoride in Kr) of this dissociation. This latter work also includes a set of experiments using shock-tube time-of-flight mass spectrometry (4% vinyl fluoride in neon, 1500-1980 K, 500 < P < 1300 torr). These time-of-flight experiments confirm the theoretical expectation that the only reaction in vinyl fluoride is HF elimination. The dissociation experiments are augmented by laser schlieren measurements of vibrational relaxation (1-20% C2H3F in Kr, 415-1975 K, 5 < P < 50 torr, and 2 and 5% C2H4F2 in Kr, 700-1350 K, 6 < P < 22 torr). These experiments exhibit very rapid relaxation, and incubation delays should be negligible in dissociation. An RRKM model of dissociation in 1,1-difluoroethane based on a G3B3 calculation of barrier and other properties fits the experiments but requires a very large (down) of 1600 cm(-1), similar to that found in a previous examination of 1,1,1-trifluoroethane. Dissociation of vinyl fluoride is complicated by the presence of two parallel HF eliminations, both three-center and four-center. Structure calculations find nearly equal barriers for these, and TST calculations show almost identical k infinity. An RRKM fit to the observed falloff again requires an unusually large (down) and the experiments actually support a slightly reduced barrier. These large energy-transfer parameters now seem routine in these large fluorinated species. It is perhaps a surprising result for which there is as yet no explanation. C1 Univ Illinois, Dept Chem Engn, Chicago, IL 60607 USA. Univ Illinois, Dept Mech & Ind Engn, Chicago, IL 60607 USA. Argonne Natl Lab, Div Chem, Argonne, IL 60439 USA. RP Tranter, RS (reprint author), Univ Illinois, Dept Chem Engn, Chicago, IL 60607 USA. RI SIVARAMAKRISHNAN, RAGHU/C-3481-2008; Xu, Hui/F-8234-2012 OI SIVARAMAKRISHNAN, RAGHU/0000-0002-1867-1254; NR 50 TC 10 Z9 10 U1 1 U2 6 PU ROYAL SOC CHEMISTRY PI CAMBRIDGE PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS, ENGLAND SN 1463-9076 J9 PHYS CHEM CHEM PHYS JI Phys. Chem. Chem. Phys. PD AUG 21 PY 2007 VL 9 IS 31 BP 4164 EP 4176 DI 10.1039/b703124f PG 13 WC Chemistry, Physical; Physics, Atomic, Molecular & Chemical SC Chemistry; Physics GA 205FX UT WOS:000249100500018 PM 17687466 ER PT J AU Georgievskii, Y Miller, JA Klippenstein, SJ AF Georgievskii, Yuri Miller, James A. Klippenstein, Stephen J. TI Association rate constants for reactions between resonance-stabilized radicals: C3H3+C3H3, C3H3+C3H5, and C3H5+C3H5 SO PHYSICAL CHEMISTRY CHEMICAL PHYSICS LA English DT Article ID TRANSITION-STATE THEORY; PROPARGYL RADICALS; SELF-REACTION; COMBINATION REACTIONS; ABSORPTION-MEASUREMENTS; EQUILIBRIUM-CONSTANT; ELEMENTARY REACTIONS; REACTION COORDINATE; PREDICTIVE THEORY; RATE COEFFICIENT AB Reactions between resonance-stabilized radicals play an important role in combustion chemistry. The theoretical prediction of rate coefficients and product distributions for such reactions is complicated by the fact that the initial complex-formation steps and some dissociation steps are barrierless. In this paper direct variable reaction coordinate transition state theory (VRC-TST) is used to predict accurately the association rate constants for the self and cross reactions of propargyl and allyl radicals. For each reaction, a set of multifaceted dividing surfaces is used to account for the multiple possible addition channels. Because of their resonant nature the geometric relaxation of the radicals is important. Here, the effect of this relaxation is explicitly calculated with the UB3LYP/cc-pvdz method for each mutual orientation encountered in the configurational integrals over the transition state dividing surfaces. The final energies are obtained from CASPT2/cc-pvdz calculations with all pi-orbitals in the active space. Evaluations along the minimum energy path suggest that basis set corrections are negligible. The VRC-TST approach was also used to calculate the association rate constant and the corresponding number of states for the C6H5 + H -> C6H6 exit channel of the C3H3 + C3H3 reaction, which is also barrierless. For this reaction, the interaction energies were evaluated with the CASPT2(2e,2o)/cc-pvdz method and a I-D correction is included on the basis of CAS + 1 + 2 + QC/aug-cc-pvtz calculations for the CH3 + H reference system. For the C3H3 + C3H3 reaction, the VRC-TST results for the energy and angular momentum resolved numbers of states in the entrance channels and in the C6H5 + H exit channel are incorporated in a master equation simulation to determine the temperature and pressure dependence of the phenomenological rate coefficients. The rate constants for the C3H3 + C3H3 and C3H5 + C3H5 self-reactions compare favorably with the available experimental data. To our knowledge there are no experimental rate data for the C3H3 + C3H5 reaction. C1 Sandia Natl Labs, Combust Res Facil, Livermore, CA 94551 USA. Argonne Natl Lab, Div Chem, Argonne, IL 60439 USA. RP Georgievskii, Y (reprint author), Sandia Natl Labs, Combust Res Facil, Livermore, CA 94551 USA. OI Klippenstein, Stephen/0000-0001-6297-9187 NR 43 TC 74 Z9 75 U1 3 U2 61 PU ROYAL SOC CHEMISTRY PI CAMBRIDGE PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS, ENGLAND SN 1463-9076 J9 PHYS CHEM CHEM PHYS JI Phys. Chem. Chem. Phys. PD AUG 21 PY 2007 VL 9 IS 31 BP 4259 EP 4268 DI 10.1039/b703261g PG 10 WC Chemistry, Physical; Physics, Atomic, Molecular & Chemical SC Chemistry; Physics GA 205FX UT WOS:000249100500026 PM 17687474 ER PT J AU Goulay, F Osborn, DL Taatjes, CA Zou, P Meloni, G Leone, SR AF Goulay, Fabien Osborn, David L. Taatjes, Craig A. Zou, Peng Meloni, Giovanni Leone, Stephen R. TI Direct detection of polyynes formation from the reaction of ethynyl radical (C2H) with propyne (CH3-C CH) and allene (CH2 = C = CH2) SO PHYSICAL CHEMISTRY CHEMICAL PHYSICS LA English DT Article ID TEMPERATURE RATE COEFFICIENTS; PHOTOIONIZATION MASS-SPECTROMETRY; LAVAL NOZZLE APPARATUS; TITANS ATMOSPHERE; CROSS-SECTIONS; 193 NM; METHYLACETYLENE; KINETICS; HYDROCARBONS; ACETYLENE AB The reactions of the ethynyl radical (C2H) with propyne and allene are studied at room temperature using an apparatus that combines the tunability of the vacuum ultraviolet radiation of the Advanced Light Source at Lawrence Berkeley National Laboratory with time-resolved mass spectrometry. The C2H radical is prepared by 193-nm photolysis of CF3CCH and the mass spectrum of the reacting mixture is monitored in time using synchrotron-photoionization with a dual-sector mass spectrometer. Analysis using photoionization efficiency curves allows the isomer-specific detection of individual polyynes of chemical formula C5H4 produced by both reactions. The product branching ratios are estimated for each isomer. The reaction of propyne with ethynyl gives 50-70% diacetylene (H-C- C-C C-H) and 50-30% C5H4, with a C5H4-isomer distribution of 15-20% ethynylallene (CH2=C=CH-C CH) and 85-80% methyldiacetylene (CH3-C C-C CH). The reaction of allene with ethynyl gives 35-45% ethynylallene, 20-25% methyldiacetylene and 45-30% 1,4-pentadiyne (HC C-CH2-C CH). Diacetylene is most likely not produced by this reaction; an upper limit of 30% on the branching fraction to diacetylene can be derived from the present experiment. The mechanisms of polyynes formation by these reactions as well as the implications for Titan's atmospheric chemistry are discussed. C1 Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA. Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA. Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA. Sandia Natl Labs, Combust Res Facil, Livermore, CA 94551 USA. RP Leone, SR (reprint author), Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA. EM srl@berkeley.edu RI Osborn, David/A-2627-2009 NR 58 TC 56 Z9 56 U1 2 U2 15 PU ROYAL SOC CHEMISTRY PI CAMBRIDGE PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS, ENGLAND SN 1463-9076 J9 PHYS CHEM CHEM PHYS JI Phys. Chem. Chem. Phys. PD AUG 21 PY 2007 VL 9 IS 31 BP 4291 EP 4300 DI 10.1039/b614502g PG 10 WC Chemistry, Physical; Physics, Atomic, Molecular & Chemical SC Chemistry; Physics GA 205FX UT WOS:000249100500029 PM 17687477 ER PT J AU Macdonald, RG AF Macdonald, R. Glen TI Determination of the rate constant and product channels for the radical-radical reaction NCO(X (2)Pi) + C2H5 (X (2) A '') at 293 K SO PHYSICAL CHEMISTRY CHEMICAL PHYSICS LA English DT Article ID THERMAL UNIMOLECULAR REACTIONS; ISOCYANIC ACID; HIGH-PRESSURES; FINE-STRUCTURE; KINETICS; TEMPERATURE; DYNAMICS; C2H5; CH3; HYDROCARBONS AB The rate constant and product branching ratios for the reaction of the cyanato radical, NCO (X (2)Pi), with the ethyl radical, C2H5 (X (2)A"), have been measured over the pressure range of 0.28 to 0.59 kPa and at a temperature of 293 +/- 2 K. The total rate constant, k(1), increased with pressure, P(kPa), described by k(1) = (1.25 +/- 0.16) x 10(-10) + (4.22 +/- 0.35) x 10(-10) p cm(3) molecule(-1) S-1. Three product channels were observed that were not pressure dependent: (1a) HNCO + C2H4 k(1a) = (1.1 +/- 0.16) x 10(-10), (1b) HONC + C2H4, k(1b) = (2.9 +/- 1.3) x 10(-11), (1c) HCN + C2H4O, k(1c) = (8.7 +/- 1.5) x 10(-13), with units cm(3) molecule(-1) s(-1) and uncertainties of one-standard deviation in the scatter of the data. The pressure dependence was attributed to a forth channel, (1d), forming recombination products C2H5NCO and/or C2H5OCN, with pressure dependence: (1d) k(1d) = (0.090 +/- 1.3) x 10(-11) + (3.91 +/- 0.27) x 10(-10) p cm(3) molecule(-1) s(-1). The radicals were generated by the 248 nm photolysis of CINCO in an excess Of C2H6. Quantitative infrared time-resolved absorption spectrophotometry was used to follow the temporal dependence of the reactants and the appearance of the products. Five species were monitored, HCl, NCO, HCN, HNCO, and C2H4, providing a detailed picture of the chemistry occurring in the system. Other rate constants were also measured: CINCO + C2H5, k(10) = (2.3 +/- 1.2) x 10(-13), NCO + C2H6, k(2) = (1.6 +/- 0.11) x 10(-14), NCO + C4H10, k(4) = (5.3 +/- 0.51) x 10(-13), with units cm(3) molecule(-1) s(-1) and uncertainties of one-standard deviation in the scatter of the data. C1 Argonne Natl Lab, Div Chem, Argonne, IL 60439 USA. RP Macdonald, RG (reprint author), Argonne Natl Lab, Div Chem, 9700 S Cass Ave, Argonne, IL 60439 USA. EM rgnmacdonald@anl.gov NR 62 TC 5 Z9 5 U1 0 U2 7 PU ROYAL SOC CHEMISTRY PI CAMBRIDGE PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS, ENGLAND SN 1463-9076 J9 PHYS CHEM CHEM PHYS JI Phys. Chem. Chem. Phys. PD AUG 21 PY 2007 VL 9 IS 31 BP 4301 EP 4314 DI 10.1039/b701900a PG 14 WC Chemistry, Physical; Physics, Atomic, Molecular & Chemical SC Chemistry; Physics GA 205FX UT WOS:000249100500030 PM 17687478 ER PT J AU Knepp, AM Meloni, G Jusinski, LE Taatjes, CA Cavallotti, C Klippenstein, SJ AF Knepp, Adam M. Meloni, Giovanni Jusinski, Leonard E. Taatjes, Craig A. Cavallotti, Carlo Klippenstein, Stephen J. TI Theory, measurements, and modeling of OH and HO2 formation in the reaction of cyclohexyl radicals with O-2 SO PHYSICAL CHEMISTRY CHEMICAL PHYSICS LA English DT Review ID TRANSITION-STATE THEORY; PHENOMENOLOGICAL RATE COEFFICIENTS; AUTOMATED MECHANISM GENERATION; PHASE CHEMICAL-KINETICS; WELL MASTER EQUATION; PRODUCT FORMATION; PLUS O-2; INITIATED OXIDATION; PRESSURE-DEPENDENCE; C2H5+O-2 REACTION AB The production of OH and HO2 in Cl-initiated oxidation of cyclohexane has been measured using pulsed-laser photolytic initiation and continuous-laser absorption detection. The experimental data are modeled by master equation calculations that employ new G2(MP2)-like ab initio characterizations of important stationary points on the cyclo-C6H O-11(2) surface. These ab initio calculations are a substantial expansion on previously published characterizations, including explicit consideration of conformational changes (chair-boat, axial-equatorial) and torsional potentials. The rate constants for the decomposition and ring-opening of cyclohexyl radical are also computed with ab initio based transition state theory calculations. Comparison of kinetic simulations based on the master equation results with the present experimental data and with literature determinations of branching fractions suggests adjustment of several transition state energies below their ab initio values. Simulations with the adjusted values agree well with the body of experimental data. The results once again emphasize the importance of both direct and indirect components of the kinetics for the production of both HO2 and OH in radical + O-2 reactions. C1 Sandia Natl Labs, Combust Res Facil, Livermore, CA 94551 USA. Sandia Natl Labs, Phys Sci Inst Intern, Livermore, CA 94550 USA. Politecn Milan, Dipartimento Chim Mat & Ingn Chim G Natta, I-20131 Milan, Italy. Argonne Natl Lab, Div Chem, Argonne, IL 60439 USA. RP Taatjes, CA (reprint author), Sandia Natl Labs, Combust Res Facil, Mail Stop 9055, Livermore, CA 94551 USA. EM cataatj@sandia.gov; carlo.cavallotti@polimi.it; sjk@anl.gov RI cavallotti, carlo/F-6593-2013; OI Klippenstein, Stephen/0000-0001-6297-9187 NR 104 TC 43 Z9 43 U1 2 U2 33 PU ROYAL SOC CHEMISTRY PI CAMBRIDGE PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS, ENGLAND SN 1463-9076 J9 PHYS CHEM CHEM PHYS JI Phys. Chem. Chem. Phys. PD AUG 21 PY 2007 VL 9 IS 31 BP 4315 EP 4331 DI 10.1039/b705934e PG 17 WC Chemistry, Physical; Physics, Atomic, Molecular & Chemical SC Chemistry; Physics GA 205FX UT WOS:000249100500031 PM 17687479 ER PT J AU Zeng, QS Li, YC Feng, CM Liermann, P Somayazulu, M Shen, GY Mao, HK Yang, R Liu, J Hu, TD Jiang, JZ AF Zeng, Q. S. Li, Y. C. Feng, C. M. Liermann, P. Somayazulu, M. Shen, G. Y. Mao, H.-K. Yang, R. Liu, J. Hu, T. D. Jiang, J. Z. TI Anomalous compression behavior in lanthanum/cerium-based metallic glass under high pressure SO PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA LA English DT Article ID LIQUID PHASE-TRANSITION; AMORPHOUS-ALLOYS; 2-LEVEL SYSTEM; ELECTRICAL-RESISTIVITY; TEMPERATURE-DEPENDENCE; VOLUME COLLAPSE; ELECTRONS; MAGNETORESISTANCE; CERIUM; MODEL AB In situ high-pressure x-ray diffraction, low-temperature resistivity, and magnetization experiments were performed on a La32Ce32Al16Ni5Cu15 bulk metallic glass (BMG). A sudden change in compressibility at approximate to 14 GPa and a rapid increase of resistivity at approximate to 12 K were detected, whereas magnetic phase transformation and magnetic field dependence of the low-temperature resistivity do not occur at temperatures down to 4.2 K. An interaction between conduction electrons and the two-level systems is suggested to explain the temperature and field dependences of resistivity of the BMG alloy. Although the cause of the unusual change in compressibility at approximate to 14 GPa is not clear, we believe that it could be linked with the unique electron structure of cerium in the amorphous matrix. An electronic phase transition in BMG alloys, most likely a second-order amorphous-to-amorphous phase transition, is suggested. C1 ICNSM, Hangzhou 310027, Peoples R China. Zhejiang Univ, Anal & Testing Ctr, Hangzhou 310027, Peoples R China. Chinese Acad Sci, Inst High Energy Phys, Beijing 10039, Peoples R China. Argonne Natl Lab, High Pressure Collaborat Access Team, Argonne, IL 60439 USA. Argonne Natl Lab, Expt Facil Div, Argonne, IL 60439 USA. Carnegie Inst Washington, Geophys Lab, Washington, DC 20015 USA. Lab New Struct Mat, Dept Mat Sci & Engn, Hangzhou 310027, Peoples R China. RP Mao, HK (reprint author), ICNSM, Hangzhou 310027, Peoples R China. EM h.mao@gl.ciw.edu RI Shen, Guoyin/D-6527-2011 NR 55 TC 48 Z9 50 U1 5 U2 31 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 AUG 21 PY 2007 VL 104 IS 34 BP 13565 EP 13568 DI 10.1073/pnas.0705999104 PG 4 WC Multidisciplinary Sciences SC Science & Technology - Other Topics GA 204SQ UT WOS:000249064700008 PM 17698958 ER PT J AU Bonfils, C Lobell, D AF Bonfils, Celine Lobell, David TI Empirical evidence for a recent slowdown in irrigation-induced cooling SO PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA LA English DT Article DE climate; irrigation effect; observations ID NORTHERN GREAT-PLAINS; LAND-USE CHANGES; CLIMATE-CHANGE; TEMPERATURE; PRECIPITATION; URBANIZATION; IMPACT; TRENDS; RANGE; AREAS AB Understanding the influence of past land use changes on climate is needed to improve regional projections of future climate change and inform debates about the tradeoffs associated with land use decisions. The effects of rapid expansion of irrigated area in the 20th century has remained unclear relative to other land use changes, such as urbanization, that affected a similar total land area. Using spatial and temporal variations in temperature and irrigation extent observed in California, we show that irrigation expansion has had a large cooling effect on summertime average daily daytime temperatures (-0.14 degrees C to -0.25 degrees C per decade), which corresponds to an estimated cooling of -1.8 degrees C to -3.2 degrees C since the introduction of irrigation practices. Irrigation has negligible effects on nighttime temperatures, leading to a net cooling effect of irrigation on climate (-0.06 degrees C to -0.19 degrees C per decade). Stabilization of irrigated area has occurred in California since 1980 and is expected in the near future for many irrigated regions. The suppression of past human-induced greenhouse warming by increased irrigation is therefore likely to slow in the future, and a potential decrease in irrigation may even contribute to a more rapid warming. Changes in irrigation alone are not expected to influence broad-scale temperatures, but they may introduce large uncertainties in climate projections for irrigated agricultural regions, which provide approximate to 40% of global food production. C1 Univ Calif, Sch Nat Sci, Merced, CA 95344 USA. Lawrence Livermore Natl Lab, Livermore, CA 94550 USA. RP Bonfils, C (reprint author), Univ Calif, Sch Nat Sci, Merced, CA 95344 USA. EM bonfils2@llnl.gov RI Bonfils, Celine/H-2356-2012 OI Bonfils, Celine/0000-0002-4674-5708 NR 41 TC 73 Z9 75 U1 10 U2 22 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 AUG 21 PY 2007 VL 104 IS 34 BP 13582 EP 13587 DI 10.1073/pnas.0700144104 PG 6 WC Multidisciplinary Sciences SC Science & Technology - Other Topics GA 204SQ UT WOS:000249064700012 PM 17698963 ER PT J AU Jooss, C Wu, L Beetz, T Klie, RF Beleggia, M Schofield, MA Schramm, S Hoffmann, J Zhu, Y AF Jooss, Ch. Wu, L. Beetz, T. Klie, R. F. Beleggia, M. Schofield, M. A. Schramm, S. Hoffmann, J. Zhu, Y. TI Polaron melting and ordering as key mechanisms for colossal resistance effects in manganites SO PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA LA English DT Article DE correlated electrons; magnetism; oxide ID MAGNETORESISTIVE MANGANITES; PEROVSKITES; FILMS; PR1-XCAXMNO3; TRANSITIONS; FERROELECTRICITY AB Polarons, the combined motion of electrons in a cloth of their lattice distortions, are a key transport feature in doped manganites. To develop a profound understanding of the colossal resistance effects induced by external fields, the study of polaron correlations and the resulting collective polaron behavior, i.e., polaron ordering and transition from polaronic transport to metallic transport is essential. We show that static long-range ordering of Jahn-Teller polarons forms a polaron solid which represents a new type of charge and orbital ordered state. The related noncentrosymmetric lattice distortions establish a connection between colossal resistance effects and multiferroic properties, i.e., the coexistence of ferroelectric and antiferromagnetic ordering. Colossal resistance effects due to an electrically induced polaron solid-liquid transition are directly observed in a transmission electron microscope with local electric stimulus applied in situ using a piezo-controlled tip. Our results shed light onto the colossal resistance effects in magnetic field and have a strong impact on the development of correlated electron-device applications such as resistive random access memory (RRAIM). C1 Univ Gottingen, Inst Mat Phys, D-37077 Gottingen, Germany. Brookhaven Natl Lab, Dept Condensed Matter Phys & Mat Sci, Upton, NY 11973 USA. RP Zhu, Y (reprint author), Univ Gottingen, Inst Mat Phys, Friedrich Hund Pl 1, D-37077 Gottingen, Germany. EM jooss@ump.gwdg.de; zhu@bnl.gov OI Beleggia, Marco/0000-0002-2888-1888 NR 40 TC 91 Z9 91 U1 0 U2 27 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 AUG 21 PY 2007 VL 104 IS 34 BP 13597 EP 13602 DI 10.1073/pnas.0702748104 PG 6 WC Multidisciplinary Sciences SC Science & Technology - Other Topics GA 204SQ UT WOS:000249064700015 PM 17699633 ER PT J AU Yoon, J Liboiron, BD Sarangi, R Hodgson, KO Hedman, B Solomona, EI AF Yoon, Jungjoo Liboiron, Barry D. Sarangi, Ritimukta Hodgson, Keith O. Hedman, Britt Solomona, Edward I. TI The two oxidized forms of the trinuclear Cu cluster in the multicopper oxidases and mechanism for the decay of the native intermediate SO PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA LA English DT Article DE laccase; superexchange; electron paramagnetic resonance; magnetic circular dicroism; density functional theory ID COPPER ACTIVE-SITE; MAGNETIC CIRCULAR-DICHROISM; RHUS-VERNICIFERA LACCASE; DIOXYGEN REDUCING SITE; ASCORBATE OXIDASE; GROUND-STATE; ANTISYMMETRIC EXCHANGE; ELECTRONIC-STRUCTURE; HUMAN CERULOPLASMIN; CRYSTAL-STRUCTURE AB Multicopper oxiclases (MCCls) catalyze the 4e(-) reduction Of O-2 to H2O. The reaction of the fully reduced enzyme with O-2 generates the native intermediate (NI), which undergoes a slow decay to the resting enzyme in the absence of substrate. NI is a fully oxidized form, but its spectral features are very different from those of the resting form (also fully oxidized), because the type 2 and the coupled-binuclear type 3 Cu centers in the O-2-reducing trinuclear Cu cluster site are isolated in the resting enzyme, whereas these are all bridged by a mu(3)-OXO ligand in NI. Notably, the one azide-bound NI (NIAz) exhibits spectral features very similar to those of Nl, in which the mu(3)-OXO ligand in NI has been replaced by a mu(3)-bridged azide. Comparison of the spectral features of NI and NlAz, combined with density functional theory (DFT) calculations, allows refinement of the NI structure. The decay of NI to the resting enzyme proceeds via successive proton-assisted steps, whereas the rate-limiting step involves structural rearrangement of the mu(3)-oxo-bridge from inside to outside the cluster. This phenomenon is consistent with the slow rate of NI decay that uncouples the resting enzyme from the catalyticcycle, leaving NI as the catalytically relevant fully oxidized form of the MCO active site. The all-bridged structure of NI would facilitate electron transfer to all three Cu centers of the trinuclear cluster for rapid proton-coupled reduction of NI to the fully reduced form for catalytic turnover. C1 Stanford Univ, Dept Chem, Stanford, CA 94305 USA. Stanford Linear Accelerator Ctr, Stanford Synchrotron Radiat Lab, Stanford, CA 94309 USA. RP Solomona, EI (reprint author), Stanford Univ, Dept Chem, Stanford, CA 94305 USA. EM edward.solomon@stlanford.edu FU NIDDK NIH HHS [R01 DK031450, R37 DK031450]; PHS HHS [KD-31450] NR 42 TC 52 Z9 57 U1 2 U2 16 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 AUG 21 PY 2007 VL 104 IS 34 BP 13609 EP 13614 DI 10.1073/pnas.0705137104 PG 6 WC Multidisciplinary Sciences SC Science & Technology - Other Topics GA 204SQ UT WOS:000249064700017 PM 17702865 ER PT J AU Maslov, S Lspolatov, I AF Maslov, Sergei Lspolatov, I. TI Propagation of large concentration changes in reversible protein-binding networks SO PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA LA English DT Article DE dissociation constant; genetic interactions; law of mass action; small-world networks; binding equilibrium ID GENE-EXPRESSION; SINGLE-CELL; DATABASE; YEAST; NOISE; MODEL AB We study how the dynamic equilibrium of the reversible protein-protein-binding network in yeast Saccharomyces cerevisiae responds to large changes in abundances of individual proteins. The magnitude of shifts between free and bound concentrations of their immediate and more distant neighbors in the network is influenced by such factors as the network topology, the distribution of protein concentrations among its nodes, and the average binding strength. Our primary conclusion is that, on average, the effects of a perturbation are strongly localized and exponentially decay with the network distance away from the perturbed node, which explains why, despite globally connected topology, individual functional modules in such networks are able to operate fairly independently. We also found that under specific favorable conditions, realized in a significant number of paths in the yeast network, concentration perturbations can selectively propagate over considerable network distances (up to four steps). Such '' action-at-a-distance '' requires high concentrations of heterodimers along the path as well as low free (unbound) concentration of intermediate proteins. C1 Brookhaven Natl Lab, Dept Condensed Matter Phys & Mat Sci, Upton, NY 11973 USA. Ariadne Genom Inc, Rockville, MD 20850 USA. RP Maslov, S (reprint author), Brookhaven Natl Lab, Dept Condensed Matter Phys & Mat Sci, Upton, NY 11973 USA. EM maslov@bnl.gov RI Maslov, Sergei/C-2397-2009 OI Maslov, Sergei/0000-0002-3701-492X FU NIGMS NIH HHS [R01 GM068954, 1 R01 GM068954-01] NR 20 TC 51 Z9 54 U1 0 U2 2 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 AUG 21 PY 2007 VL 104 IS 34 BP 13655 EP 13660 DI 10.1073/pnas.0702905104 PG 6 WC Multidisciplinary Sciences SC Science & Technology - Other Topics GA 204SQ UT WOS:000249064700025 PM 17699619 ER PT J AU Lee, TH Blanchard, SC Kim, HD Puglisi, JD Chu, S AF Lee, Tae-Hee Blanchard, Scott C. Kim, Harold D. Puglisi, Joseph D. Chu, Steven TI The role of fluctuations in tRNA selection by the ribosome SO PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA LA English DT Article DE ribosome dynamics; ribosome selection; single-molecule FRET ID AMINOACYL-TRANSFER-RNA; ELONGATION-FACTOR TU; CRYSTAL-STRUCTURE; TERNARY COMPLEX; ACTIVE-ROLE; TRANSLATION; MECHANISM; BINDING; ACCOMMODATION; ANTIBIOTICS AB The detailed mechanism of how the ribosome decodes protein sequence information with an abnormally high accuracy, after 40 years of study, remains elusive. A critical element in selecting correct transfer RNA (tRNA) transferring correct amino acid is '' induced fit '' between the ribosome and tRNA. By using single-molecule methods, the induced fit mechanism is shown to position favorably the correct tRNA after initial codon recognition. We provide evidence that this difference in positioning and thermal fluctuations constitutes the primary mechanism for the initial selection of tRNA. This work demonstrates thermal fluctuations playing a critical role in the substrate selection by an enzyme. C1 Stanford Univ, Sch Med, Dept Biol Struct, Stanford, CA 94305 USA. Stanford Univ, Dept Phys, Stanford, CA 94305 USA. Stanford Univ, Dept Appl Phys, Stanford, CA 94305 USA. Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA. Univ Calif Berkeley, Dept Mol & Cell Biol, Lawrence Berkeley Lab, Berkeley, CA 94720 USA. RP Puglisi, JD (reprint author), Stanford Univ, Sch Med, Dept Biol Struct, Stanford, CA 94305 USA. EM puglisi@stanford.edu; schu@lbl.gov RI Lee, Tae-Hee/A-1266-2010; Blanchard, Scott/A-5804-2009 FU NIGMS NIH HHS [GM51266, R01 GM051266] NR 29 TC 74 Z9 74 U1 1 U2 16 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 AUG 21 PY 2007 VL 104 IS 34 BP 13661 EP 13665 DI 10.1073/pnas.0705988104 PG 5 WC Multidisciplinary Sciences SC Science & Technology - Other Topics GA 204SQ UT WOS:000249064700026 PM 17699629 ER PT J AU Cui, BX Wu, CB Chen, L Ramirez, A Bearer, EL Li, WP Mobley, WC Chu, S AF Cui, Bianxiao Wu, Chengbiao Chen, Liang Ramirez, Alfredo Bearer, Elaine L. Li, Wei-Ping Mobley, William C. Chu, Steven TI One at a time, live tracking of NGF axonal transport using quantum dots SO PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA LA English DT Article DE live imaging; nerve growth factor; single molecule imaging; NGF signaling; retrograde transport ID NERVE GROWTH-FACTOR; RAT SYMPATHETIC NEURONS; SIGNALING ENDOSOME HYPOTHESIS; LIGAND-RECEPTOR COMPLEX; RETROGRADE TRANSPORT; COMPARTMENTED CULTURES; NEUROTROPHIN RECEPTOR; SINGLE-MOLECULE; TRKA; INTERNALIZATION AB Retrograde axonal transport of nerve growth factor (NGF) signals is critical for the survival, differentiation, and maintenance of peripheral sympathetic and sensory neurons and basal forebrain cholinergic neurons. However, the mechanisms by which the NGF signal is propagated from the axon terminal to the cell body are yet to be fully elucidated. To gain insight into the mechanisms, we used quantum dot-labeled NGF (QD-NGF) to track the movement of NGF in real time in compartmentalized culture of rat dorsal root ganglion (DRG) neurons. Our studies showed that active transport of NGF within the axons was characterized by rapid, unidirectional movements interrupted by frequent pauses. Almost all movements were retrograde, but short-distance anterograde movements were occasionally observed. Surprisingly, quantitative analysis at the single molecule level demonstrated that the majority of NGF-containing endosomes contained only a single NGF dimer. Electron microscopic analysis of axonal vesicles carrying QD-NGF confirmed this finding. The majority of QD-NGF was found to localize in vesicles 50-150 nm in diameter with a single lumen and no visible intralumenal membranous components. Our findings point to the possibility that a single NGF dimer is sufficient to sustain signaling during retrograde axonal transport to the cell body. C1 Stanford Univ, Dept Phys, Stanford, CA 94305 USA. Stanford Univ, Dept Neurol & Neurological Sci, Stanford, CA 94305 USA. Stanford Univ, Dept Appl Phys, Stanford, CA 94305 USA. Brown Univ, Dept Pathol & Lab Med, Providence, RI 02910 USA. CALTECH, Dept Biol, Pasadena, CA 91125 USA. Univ Texas, SW Med Ctr, Dept Cell Biol, Dallas, TX 75390 USA. Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA. Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA. Univ Calif Berkeley, Dept Mol & Cell Biol, Berkeley, CA 94720 USA. RP Mobley, WC (reprint author), Stanford Univ, Dept Phys, Stanford, CA 94305 USA. EM ngfv1@Stanford.edu; schu@lbl.gov RI Chen, Liang/F-3496-2011 FU NIA NIH HHS [AG16999, R01 AG016999]; NIGMS NIH HHS [GM47368, R01 GM047368]; NINDS NIH HHS [K99 NS057906, NS046810, NS05537, NS24054, NS38869, R01 NS024054, R01 NS038869, R01 NS046810] NR 43 TC 210 Z9 216 U1 3 U2 37 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 AUG 21 PY 2007 VL 104 IS 34 BP 13666 EP 13671 DI 10.1073/pnas.0706192104 PG 6 WC Multidisciplinary Sciences SC Science & Technology - Other Topics GA 204SQ UT WOS:000249064700027 PM 17698956 ER PT J AU Delgado-Aparicio, LF Stutman, D Tritz, K Vero, R Finkenthal, M Suliman, G Kaita, R Majeski, R Stratton, B Roquemore, L Tarrio, C AF Delgado-Aparicio, L. F. Stutman, D. Tritz, K. Vero, R. Finkenthal, M. Suliman, G. Kaita, R. Majeski, R. Stratton, B. Roquemore, L. Tarrio, C. TI High-efficiency fast scintillators for "optical" soft x-ray arrays for laboratory plasma diagnostics SO APPLIED OPTICS LA English DT Article ID DETECTORS; SPECTROSCOPY; RADIATION; PHOSPHORS; CSI(TL) AB Scintillator-based "optical" soft x-ray (OSXR) arrays have been investigated as a replacement for the conventional silicon (Si)-based diode arrays used for imaging, tomographic reconstruction, magnetohydrodynamics, transport, and turbulence studies in magnetically confined fusion plasma research. An experimental survey among several scintillator candidates was performed, measuring the relative and absolute conversion efficiencies of soft x rays to visible light. Further investigations took into account glass and fiber-optic faceplates (FOPs) as substrates, and a thin aluminum foil (150 nm) to reflect the visible light emitted by the scintillator back to the optical detector. Columnar (crystal growth) thallium-doped cesium iodide (CsI:TI) deposited on an FOP, was found to be the best candidate for the previously mentioned plasma diagnostics. Its luminescence decay time of the order of similar to 1-10 mu s is thus suitable for the 10 mu s time resolution required for the development of scintillator-based SXR plasma diagnostics. A prototype eight channel OSXR array using CsI:TI was designed, built, and compared to an absolute extreme ultraviolet diode counterpart: its operation on the National Spherical Torus Experiment showed a lower level of induced noise relative to the Si-based diode arrays, especially during neutral beam injection heated plasma discharges. The OSXR concept can also be implemented in less harsh environments for basic spectroscopic laboratory plasma diagnostics. (c) 2007 Optical Society of America C1 Johns Hopkins Univ, Plasma Spectroscopy Grp, Baltimore, MD 21218 USA. Princeton Plasma Phys Lab, Princeton, NJ 08543 USA. NIST, Phys Lab, Gaithersburg, MD 20899 USA. RP Delgado-Aparicio, LF (reprint author), Johns Hopkins Univ, Plasma Spectroscopy Grp, 3400 N Charles St, Baltimore, MD 21218 USA. EM delgapa@pha.jhu.edu RI Stutman, Dan/P-4048-2015; Suliman, gabriel/B-1443-2017 NR 16 TC 7 Z9 7 U1 0 U2 4 PU OPTICAL SOC AMER PI WASHINGTON PA 2010 MASSACHUSETTS AVE NW, WASHINGTON, DC 20036 USA SN 1559-128X EI 2155-3165 J9 APPL OPTICS JI Appl. Optics PD AUG 20 PY 2007 VL 46 IS 24 BP 6069 EP 6075 DI 10.1364/AO.46.006069 PG 7 WC Optics SC Optics GA 210JP UT WOS:000249452800004 PM 17712368 ER PT J AU Remo, JL Adams, RG Jones, MC AF Remo, John L. Adams, Richard G. Jones, Michael C. TI Atmospheric electromagnetic pulse propagation effects from thick targets in a terawatt laser target chamber SO APPLIED OPTICS LA English DT Article AB Generation and effects of atmospherically propagated electromagnetic pulses (EMPs') initiated by photoelectrons ejected by the high density and temperature target surface plasmas from multiterawatt laser pulses are analyzed. These laser radiation pulse interactions can significantly increase noise levels, thereby obscuring data (sometimes totally) and may even damage sensitive probe and detection instrumentation. Noise effects from high energy density (approximately multiterawatt) laser pulses (similar to 300-400 ps pulse widths) interacting with thick (similar to 1 mm) metallic and dielectric solid targets and dielectric-metallic powder mixtures are interpreted as transient resonance radiation associated with surface charge fluctuations on the target chamber that functions as a radiating antenna. Effective solutions that minimize atmospheric EMP effects on internal and proximate electronic and electro-optical equipment external to the system based on systematic measurements using Moebius loop antennas, interpretations of signal periodicities, and dissipation indicators determining transient noise origin characteristics from target emissions are described. Analytic models for the effect of target chamber resonances and associated noise current and temperature in a probe diode laser are described. (c) 2007 Optical Society of America. C1 Sandia Natl Labs, Albuquerque, NM 87185 USA. Harvard Univ, Dept Astron, Dept Earth & Planetary Sci, Cambridge, MA 02138 USA. Harvard Smithsonian Ctr Astrophys, Cambridge, MA 02138 USA. RP Jones, MC (reprint author), Sandia Natl Labs, POB 5800, Albuquerque, NM 87185 USA. EM micjone@sandia.gov NR 9 TC 6 Z9 6 U1 1 U2 9 PU OPTICAL SOC AMER PI WASHINGTON PA 2010 MASSACHUSETTS AVE NW, WASHINGTON, DC 20036 USA SN 1559-128X EI 2155-3165 J9 APPL OPTICS JI Appl. Optics PD AUG 20 PY 2007 VL 46 IS 24 BP 6166 EP 6175 DI 10.1364/AO.46.006166 PG 10 WC Optics SC Optics GA 210JP UT WOS:000249452800018 PM 17712382 ER PT J AU Bahns, JT Imre, A Vlasko-Vlasov, VK Pearson, J Hiller, JM Chen, LH Welp, U AF Bahns, J. T. Imre, A. Vlasko-Vlasov, V. K. Pearson, J. Hiller, J. M. Chen, L. H. Welp, U. TI Enhanced Raman scattering from focused surface plasmons SO APPLIED PHYSICS LETTERS LA English DT Article ID SPECTROSCOPY; TRANSMISSION; FILMS; GENERATION; NANOHOLES; SYSTEMS; ARRAYS AB Surface plasmon polaritons launched at concentric arcs can be focused into a subwavelength wide focal spot of high near-field light intensity. The focused plasmons give rise to enhanced Raman scattering from R6G molecules placed in the focal area. By exploiting the polarization dependence of the focusing the authors establish an enhancement of the Raman signal by a factor of similar to 6. The results show that focusing of propagating surface plasmons on flat metal surfaces may be an alternative to localized plasmons on metal nanostructures for achieving enhanced Raman scattering. In particular, a flat metal substrate enables better control over the local electric fields and the placement of analyte molecules, and, therefore, ultimately better fidelity of Raman spectra.(c) 2007 American Institute of Physics. C1 Argonne Natl Lab, Div Biol, Argonne, IL 60439 USA. Argonne Natl Lab, Div Mat Sci, Argonne, IL 60439 USA. Argonne Natl Lab, Ctr Nanoscale Mat, Argonne, IL 60439 USA. RP Welp, U (reprint author), Argonne Natl Lab, Div Biol, 9700 S Cass Ave, Argonne, IL 60439 USA. EM welp@anl.gov RI Joshi-Imre, Alexandra/A-2912-2010; Hiller, Jon/A-2513-2009 OI Joshi-Imre, Alexandra/0000-0002-4271-1623; Hiller, Jon/0000-0001-7207-8008 NR 27 TC 25 Z9 26 U1 0 U2 10 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 AUG 20 PY 2007 VL 91 IS 8 AR 081104 DI 10.1063/1.2759985 PG 3 WC Physics, Applied SC Physics GA 203OV UT WOS:000248984800004 ER PT J AU Imre, A Vlasko-Vlasov, VK Pearson, J Hiller, JM Welp, U AF Imre, A. Vlasko-Vlasov, V. K. Pearson, J. Hiller, J. M. Welp, U. TI Multiplexing surface plasmon polaritons on nanowires SO APPLIED PHYSICS LETTERS LA English DT Article ID SUBWAVELENGTH OPTICS; WAVE-GUIDES; NANOHOLES; FILMS; SLOT AB The authors demonstrate a plasmonic device that generates and steers tightly focused plasmon beams between neighboring subwavelength metal-strip waveguides. By introducing a controlled phase shift into the plasmon condenser, they shifted the focused plasmon spot by microns with nanometer accuracy and realized the multiplexer functionality. (C) 2007 American Institute of Physics. C1 Argonne Natl Lab, Div Sci Mat, Argonne, IL 60439 USA. Argonne Natl Lab, Ctr Nanoscale Mat, Argonne, IL 60439 USA. RP Vlasko-Vlasov, VK (reprint author), Argonne Natl Lab, Div Sci Mat, 9700 S Cass Ave, Argonne, IL 60439 USA. EM vlasko-vlasov@anl.gov RI Joshi-Imre, Alexandra/A-2912-2010; Hiller, Jon/A-2513-2009 OI Joshi-Imre, Alexandra/0000-0002-4271-1623; Hiller, Jon/0000-0001-7207-8008 NR 23 TC 15 Z9 15 U1 0 U2 7 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 AUG 20 PY 2007 VL 91 IS 8 AR 083115 DI 10.1063/1.2773992 PG 3 WC Physics, Applied SC Physics GA 203OV UT WOS:000248984800089 ER PT J AU Yoon, S Seong, MJ Fluegel, B Mascarenhas, A Tixier, S Tiedje, T AF Yoon, S. Seong, M. J. Fluegel, B. Mascarenhas, A. Tixier, S. Tiedje, T. TI Photogenerated plasmons in GaAs1-xBix SO APPLIED PHYSICS LETTERS LA English DT Article ID III-V-SEMICONDUCTORS; P-TYPE GAAS; RAMAN-SCATTERING; MODES; EPITAXY AB Light scattering measurements in the dilute isoelectronically doped alloy GaAs1-xBix reveal a large free electron population photogenerated by continuous-wave laser excitation at low temperature. Low-temperature time-resolved photoluminescence of the bismuth related near-band-gap states show carrier lifetimes of several nanoseconds. The authors attribute this to trapping of photoexcited holes at bismuth pair or cluster states located near the valence band maximum. C1 Natl Renewable Energy Lab, Golden, CO 80401 USA. Ewha Womans Univ, Dept Phys, Div Nano Sci, Seoul 120750, South Korea. Univ British Columbia, Dept Phys, Vancouver, BC V6T 1Z1, Canada. RP Yoon, S (reprint author), Natl Renewable Energy Lab, 1617 Cole Blvd, Golden, CO 80401 USA. EM brian_fluegel@nrel.gov NR 16 TC 4 Z9 4 U1 0 U2 13 PU AMER INST PHYSICS PI MELVILLE PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1, MELVILLE, NY 11747-4501 USA SN 0003-6951 J9 APPL PHYS LETT JI Appl. Phys. Lett. PD AUG 20 PY 2007 VL 91 IS 8 AR 082101 DI 10.1063/1.2770760 PG 3 WC Physics, Applied SC Physics GA 203OV UT WOS:000248984800044 ER PT J AU Bailey, S Aragon, C Romano, R Thomas, RC Weaver, BA Wong, D AF Bailey, S. Aragon, C. Romano, R. Thomas, R. C. Weaver, B. A. Wong, D. TI How to find more supernovae with less work: Object classification techniques for difference imaging SO ASTROPHYSICAL JOURNAL LA English DT Article DE methods : data analysis; methods : statistical; supernovae : general; techniques : image processing AB We present the results of applying new object classification techniques to difference images in the context of the Nearby Supernova Factory supernova search. Most current supernova searches subtract reference images from new images, identify objects in these difference images, and apply simple threshold cuts on parameters such as statistical significance, shape, and motion to reject objects such as cosmic rays, asteroids, and subtraction artifacts. Although most static objects subtract cleanly, even a very low false-positive detection rate can lead to hundreds of nonsupernova candidates that must be vetted by human inspection before triggering additional follow-up. In comparison with simple threshold cuts, more sophisticated methods such as boosted decision trees, random forests, and support vector machines provide dramatically better object discrimination. At the Nearby Supernova Factory, we reduced the number of nonsupernova candidates by a factor of 10 while increasing our supernova identification efficiency. Methods such as these will be crucial for maintaining a reasonable false-positive rate in the automated transient-alert pipelines of upcoming projects such as Pan-STARRS and LSST. C1 Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA. Univ Calif Berkeley, Space Sci Lab, Berkeley, CA 94720 USA. RP Bailey, S (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA. EM sjbailey@lbl.gov RI Rohlf, F/A-8710-2008 NR 23 TC 31 Z9 31 U1 0 U2 4 PU IOP PUBLISHING LTD PI BRISTOL PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND SN 0004-637X EI 1538-4357 J9 ASTROPHYS J JI Astrophys. J. PD AUG 20 PY 2007 VL 665 IS 2 BP 1246 EP 1253 DI 10.1086/519832 PN 1 PG 8 WC Astronomy & Astrophysics SC Astronomy & Astrophysics GA 199DK UT WOS:000248676200030 ER PT J AU Helfand, DJ Gotthelf, EV Halpern, JP Camilo, F Semler, DR Becker, RH White, RL AF Helfand, D. J. Gotthelf, E. V. Halpern, J. P. Camilo, F. Semler, D. R. Becker, R. H. White, R. L. TI Discovery of the putative pulsar and wind nebula associated with the Tev gamma-ray source HESS J1813-178 SO ASTROPHYSICAL JOURNAL LA English DT Article DE pulsars : general; stars : individual (CXOU J181335.1-174957, G12.82-0.02); stars : neutron; supernova remnants; X-rays : stars ID XMM-NEWTON OBSERVATIONS; SUPERNOVA REMNANT; X-RAY; HESS J1813-178; YOUNG PULSAR; REVEAL AB We present a Chandra X-ray observation of G12.82-0.02, a shell-like radio supernova remnant coincident with the TeV gamma-ray source HESS J1813-178. We resolve the X-ray emission from the colocated Advanced Satellite for Cosmology and Astrophysics (ASCA) source into a point source surrounded by structured diffuse emission that fills the interior of the radio shell. The morphology of the diffuse emission strongly resembles that of a pulsar wind nebula. The spectrum of the compact source is well characterized by a power law with index Gamma approximate to 1.3, typical of young and energetic rotation-powered pulsars. For a distance of 4.5 kpc, consistent with the X-ray absorption and an association with the nearby star formation region W33, the 2-10 keV X-ray luminosities of the putative pulsar and nebula are L-PSR 3.2 x 10(33) ergs s(-1) and L-PWN 1.4 x 10(34) ergs s(-1), respectively. Both the flux ratio of L-PWN/L-PSR 4.3 and the total luminosity of this system predict a pulsar spin-down power of. E > 10(37) ergs s(-1), placing it among the 10 most energetic young pulsars in the Galaxy. A deep search for radio pulsations using the Parkes telescope sets an upper limit of approximate to 0.07 mJy at 1.4 GHz for periods greater than or similar to 50 ms. We discuss the energetics of this source and consider briefly the proximity of bright H II regions to this and several other High Energy Stereoscopic System (H. E. S. S.) sources, which may produce their TeV emission via inverse Compton scattering. C1 Columbia Univ, Astrophys Lab, New York, NY 10027 USA. Univ Calif Davis, Dept Phys, Davis, CA 95616 USA. Lawrence Livermore Natl Lab, Livermore, CA 94550 USA. RP Helfand, DJ (reprint author), Columbia Univ, Astrophys Lab, 550 W 120th St, New York, NY 10027 USA. RI White, Richard/A-8143-2012 NR 23 TC 33 Z9 33 U1 0 U2 3 PU UNIV CHICAGO PRESS PI CHICAGO PA 1427 E 60TH ST, CHICAGO, IL 60637-2954 USA SN 0004-637X J9 ASTROPHYS J JI Astrophys. J. PD AUG 20 PY 2007 VL 665 IS 2 BP 1297 EP 1303 DI 10.1086/519734 PN 1 PG 7 WC Astronomy & Astrophysics SC Astronomy & Astrophysics GA 199DK UT WOS:000248676200036 ER PT J AU Heger, A Cumming, A Woosley, SE AF Heger, Alexander Cumming, Andrew Woosley, S. E. TI Millihertz quasi-periodic oscillations from marginally stable nuclear burning on an accreting neutron star SO ASTROPHYSICAL JOURNAL LA English DT Article DE accretion, accretion disks; stars : neutron; X-rays : bursts ID X-RAY-BURSTS; ROSSELAND OPACITY TABLES; SUB-HERTZ NOISE; INTERMEDIATE-MASS; SHELL FLASHES; NUCLEOSYNTHESIS; 4U-1820-30; BINARIES; PHYSICS; MODELS AB We investigate marginally stable nuclear burning on the surface of accreting neutron stars as an explanation for the mHz quasi-periodic oscillations (QPOs) observed from three low-mass X-ray binaries. At local accretion rates close to the boundary between unstable and stable burning, the temperature dependence of the nuclear heating rate and cooling rate almost cancel. The result is an oscillatory mode of burning, with an oscillation period close to the geometric mean of the thermal and accretion timescales for the burning layer. We describe a simple one-zone model that illustrates this basic physics and then present detailed multizone hydrodynamic calculations of nuclear burning close to the stability boundary using the KEPLER code. Our models naturally explain the characteristic 2minute period of the mHz QPOs and why they are seen only in a very narrow range of X-ray luminosities. The oscillation period is sensitive to the accreted hydrogen fraction and the surface gravity, suggesting a new way to probe these parameters. The accretion rate at which the oscillations appear in the theoretical models, however, is an order of magnitude larger than the rate implied by the X-ray luminosity when them Hz QPOs are seen if the accreted material covers the entire neutron star surface. Bringing the models and observations into agreement requires that the accreted material covers only part of the neutron star surface at luminosities of L-X greater than or similar to 10(37) erg s(-1) so that the local accretion rate at the burning depth can be higher than the observed average. C1 Los Alamos Natl Lab, Theoret Astrophys Grp, Los Alamos, NM 87545 USA. Univ Calif Santa Cruz, Dept Astron & Astrophys, Santa Cruz, CA 95064 USA. McGill Univ, Dept Phys, Montreal, PQ H3A 2T8, Canada. RP Heger, A (reprint author), Los Alamos Natl Lab, Theoret Astrophys Grp, POB 1663, Los Alamos, NM 87545 USA. EM aheger@lanl.gov; cumming@physics.mcgill.ca; woosley@ucolick.org RI Cumming, Andrew/A-6082-2013 OI Cumming, Andrew/0000-0002-6335-0169 NR 41 TC 34 Z9 34 U1 0 U2 3 PU UNIV CHICAGO PRESS PI CHICAGO PA 1427 E 60TH ST, CHICAGO, IL 60637-2954 USA SN 0004-637X J9 ASTROPHYS J JI Astrophys. J. PD AUG 20 PY 2007 VL 665 IS 2 BP 1311 EP 1320 DI 10.1086/517491 PN 1 PG 10 WC Astronomy & Astrophysics SC Astronomy & Astrophysics GA 199DK UT WOS:000248676200038 ER PT J AU Glasner, SA Livne, E Truran, JW AF Glasner, S. Ami Livne, Eli Truran, James W. TI Novae: The evolution from onset of convection to the runaway SO ASTROPHYSICAL JOURNAL LA English DT Article DE convection; novae, cataclysmic variables ID POSSESSING ANGULAR-MOMENTUM; ACCRETING WHITE-DWARFS; THERMONUCLEAR RUNAWAYS; CLASSICAL NOVAE; DIFFUSION; STARS; OUTBURSTS; SIMULATIONS; ABUNDANCES; ENRICHMENT AB All previous multidimensional calculations of nova thermonuclear runaways (TNR) were only able to simulate stages for which the relevant timescales were very short (seconds). Therefore, only the last phases of the ignition stage and the runaway itself have been studied in multiple dimensions. Improvements made in the hydro solver, and better computational resources, enable us to substantially extend previous research. We are almost able to resolve scales that are already unstable to the shear Kelvin-Helmholtz (KH) instability, thus improving the credibility of the results concerning undershoot mixing. Evolving the models in two dimensions from various early stages of the one-dimensional (1D) evolution puts our findings about the multidimensional effects on much firmer ground, since we can start our study closer to the stage at which the model is still stable against convection. For very early stages, the conditions of spherical symmetry and a jump in the composition, which are part of our assumptions for the 1D initial model, are legitimate. At early stages, we can also examine the fate of local perturbations related to the convective flow. A major issue for research is the ability of such early perturbations to ignite a flame that engulfs the whole envelope as an advancing burning front. Our limited experience with artificial parametric perturbations, presented here, denies this possibility. A major part of the research is devoted to close examinations of numerical effects that can compete with physical mechanisms. We try to estimate the uncertainty limits on the results, mainly on mixing, due to numerical issues. The timescales considered range from a phase close to the onset of convection, when the temperature at the base of the envelope is about 5 x 10(7) K, to the runaway itself. C1 Hebrew Univ Jerusalem, Racah Inst Phys, Jerusalem, Israel. Univ Chicago, Enrico Fermi Inst, Dept Astron & Astrophys, Chicago, IL 60637 USA. Argonne Natl Lab, Div Phys, Argonne, IL 60439 USA. RP Glasner, SA (reprint author), Hebrew Univ Jerusalem, Racah Inst Phys, Jerusalem, Israel. NR 29 TC 19 Z9 19 U1 0 U2 4 PU IOP PUBLISHING LTD PI BRISTOL PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND SN 0004-637X EI 1538-4357 J9 ASTROPHYS J JI Astrophys. J. PD AUG 20 PY 2007 VL 665 IS 2 BP 1321 EP 1333 DI 10.1086/519234 PN 1 PG 13 WC Astronomy & Astrophysics SC Astronomy & Astrophysics GA 199DK UT WOS:000248676200039 ER PT J AU Fragile, PC Anninos, P AF Fragile, P. Chris Anninos, Peter TI Hydrodynamic simulations of tilted thick-disk accretion onto a Kerr black hole (vol 623, pg 347, 2005) SO ASTROPHYSICAL JOURNAL LA English DT Correction C1 Lawrence Livermore Natl Lab, Livermore, CA 94550 USA. RP Fragile, PC (reprint author), Lawrence Livermore Natl Lab, Livermore, CA 94550 USA. NR 1 TC 3 Z9 3 U1 0 U2 3 PU UNIV CHICAGO PRESS PI CHICAGO PA 1427 E 60TH ST, CHICAGO, IL 60637-2954 USA SN 0004-637X J9 ASTROPHYS J JI Astrophys. J. PD AUG 20 PY 2007 VL 665 IS 2 BP 1507 EP 1507 DI 10.1086/519682 PN 1 PG 1 WC Astronomy & Astrophysics SC Astronomy & Astrophysics GA 199DK UT WOS:000248676200055 ER PT J AU Ge, MH Corbett, JD AF Ge, Ming-Hui Corbett, John D. TI Synthesis, structure, and bonding of EU3Bi(Sn,Bi)(4). A rare inverse-Cr5B3-type structure with a new Tin/Bismuth network SO INORGANIC CHEMISTRY LA English DT Article ID CRYSTAL-STRUCTURE; PHASE; BA3PB5; CA; BA; YB AB The ternary phase EU3Bi(Sn1-xBix)(4) (similar to 0 < X < similar to 0.15) has been synthesized by solid-state methods at high temperature. The crystal structure of the limiting EU3Bi(Sn3.39Bi0.61(3)) has been determined by single-crystal X-ray analysis to be isopointal with an inverse-Cr5B3-type structure [space group 14/mcm, Z = 4, a = 8.826(1) angstrom, c = 12,564(3) angstrom, and V = 978.6(3) angstrom(3)]. The structure contains slabs of three-bonded Sn/Bi atoms as puckered eight-and four-membered rings interlinked at all vertices, and these are separated by planar layers of individual Eu and Bi atoms. In the normal (stuffed) Cr5B3-type analogue Eu5Sn3Hx, these two units are replaced by a more highly puckered network of Eu cations around isolated Sn atoms and planar layers of isolated Eu atoms and Sn dimers, respectively. Band structures of limiting models of the phase calculated by TB-LMTO-ASA methods show a metallic character and indicate that the mixed Sn/Bi occupancy in the slabs in this structure for x > 0 probably originates with the electronic advantages of the pseudogap that would occur at the electron count of the ideal Zintl phase Eu3Bi(Sn3Bi). The stability of a competing phase reduces this limit to EU3Bi(Sn3.4Bi0.6). C1 Iowa State Univ, Ames Lab, Dept Chem, Dept Energy, Ames, IA 50011 USA. RP Corbett, JD (reprint author), Iowa State Univ, Ames Lab, Dept Chem, Dept Energy, Ames, IA 50011 USA. EM jcorbett@iastate.edu NR 28 TC 0 Z9 0 U1 1 U2 6 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0020-1669 J9 INORG CHEM JI Inorg. Chem. PD AUG 20 PY 2007 VL 46 IS 17 BP 6864 EP 6870 DI 10.1021/ic70281c PG 7 WC Chemistry, Inorganic & Nuclear SC Chemistry GA 200IN UT WOS:000248757200012 PM 17658872 ER PT J AU Gray, DL Backus, LA von Nidda, HAK Skanthakumar, S Loidl, A Soderholm, L Ibers, JA AF Gray, Danielle L. Backus, Lisa A. von Nidda, Hans-Albrecht Krug Skanthakumar, S. Loidl, Alois Soderholm, L. Ibers, James A. TI A U(V) chalcogenide: Synthesis, structure, and characterization of K2CU3US5 SO INORGANIC CHEMISTRY LA English DT Article ID GROUP-IV CHALCOGENIDES; Q = S; VALENCE FLUCTUATIONS; URANIUM; K6CU12U2S15; SULFIDE; TE AB The compound K2Cu3US5 was obtained by the reaction of K2S, UCl4, CuCl, and S at 973 K. K2Cu3US5 crystallizes in a new structure type in space group Cmcm of the orthorhombic system in a cell of dimensions a = 3,9374(6) angstrom, b = 13.813(2) angstrom, c = 17.500(3) angstrom, and V = 951.8(2) angstrom(3) at 153 K. The structure comprise (2)(infinity)[UCu3S52-] slabs separated by K+ cations. The slabs are built from CuS4 tetrahedra and US6 octahedra. Their connectivity differs from other known octahedral/tetrahedral packing patterns. In the temperature range 130-300 K the compound exhibits Curie-Weiss magnetic behavior with u(eff) = 2.45(8) u(B). This result together with both the bond distances and bond valence calculations and the absence of a Cu2+ ESR signal support the formulation of the above compound as K2+Cu3+ U5+S52-. C1 Northwestern Univ, Dept Chem, Evanston, IL 60208 USA. Univ Augsburg, Inst Phys, D-8900 Augsburg, Germany. Argonne Natl Lab, Div Chem, Argonne, IL 60439 USA. RP Ibers, JA (reprint author), Northwestern Univ, Dept Chem, Evanston, IL 60208 USA. EM ibers@chem.northwestern.edu RI Loidl, Alois/L-8199-2015; OI Loidl, Alois/0000-0002-5579-0746; Gray, Danielle/0000-0003-0059-2096 NR 27 TC 28 Z9 28 U1 0 U2 9 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0020-1669 J9 INORG CHEM JI Inorg. Chem. PD AUG 20 PY 2007 VL 46 IS 17 BP 6992 EP 6996 DI 10.1021/ic700774g PG 5 WC Chemistry, Inorganic & Nuclear SC Chemistry GA 200IN UT WOS:000248757200027 PM 17655224 ER PT J AU Balogh, E Anderson, TM Rustad, JR Nyman, M Casey, WH AF Balogh, Edina Anderson, Travis M. Rustad, James R. Nyman, May Casey, William H. TI Rates of oxygen-isotope exchancie between sites in the [HxTa6O19]((8-x))-(aq) lindqvist ion and aqueous solutions: Comparisons to [HxNb6O19]((8-x))-(aq) SO INORGANIC CHEMISTRY LA English DT Article ID NUCLEAR MAGNETIC-RESONANCE; POLYOXOANIONS; SPECTROSCOPY; CHEMISTRY; CLUSTERS; CRYSTAL AB Rates of steady oxygen-isotope exchange differ in interesting ways for two sets of structural oxygens in the [HxTa6O19]((8-x)-)(aq) Lindqvist ion when compared to published data on the [HxNb6O19](8-x)(aq) version. Because of the lanthanide contraction, the [HTa6019](8-x)-(aq) and [HxNb6Oj9](8-x)-(aq) ions are virtually isostructural and differ primarily in a full core (Kr vs Xe) and the 04 electrons in the [HxTa60l 9](8- x)-(aq) ion. For both molecules, both pH-dependent and -independent pathways are evident in isotopic exchange of the 12 112-0(H) and 6 q=O sites. Rate parameters for y=O exchange at conditions where there is no pH dependence are, for the Ta(V) and Nb(V) versions respectively, Wo" = 2.72 x 10-5 s-1 and 9.7 x 10-1 s-1, AW = 83.6 3.2 and 89.4 kJ-mol-1, and As = -51.0 10.6 and -42.9 J-mol-l-K-1. For theU2-0 sites, ko.. = 1.23 x 10-6 s-1, AW = 70.3 9.7 and 88.0 U-mol-', and AS* = -116.1 32.7 and -29.4 J-mol-l-K-1. Protonation of the 6 77=0 sites is energetically unfavored relative to the 12 U2-0 bridges in both molecules, although not equally so. Experimentally, protonation labilizes both the Y2-0(H) and 77=0 sites to isotopic exchange in both molecules. Dens ity-f u nctio nal electronicstructure calculations indicate that proton affinities of structural oxygens in the two molecules differ with the [H,Ta60,](8-x)- (aq) anion having a smaller affinity to protonate than the [H,Nb60l9]8-x(aq) ion. This difference in proton affinities is evident in the solution chemistry as pKa = 11.5 for the [HTa60l9]'-(aq) ion and pKa = 13.6 for the [HNb6Ol9]'-(aq) ion. Most striking is the observation that q=O sites isotopically equilibrate faster than the Y2-0 sites for the [HxTa6019](1-x)-(aq) Lindqvist ion but slower for the [HxNb60l 9](8-x)-(aq) ion, indicating that predictions about site reactivities in complicated structures, such as the interface of aqueous solutions and oxide solids, should be approached with great caution. C1 Univ Calif Davis, Dept Chem, Davis, CA 95616 USA. Univ Calif Davis, Dept Geol, Davis, CA 95616 USA. Sandia Natl Labs, Geochem Div, Albuquerque, NM 87185 USA. RP Casey, WH (reprint author), Univ Calif Davis, Dept Chem, Davis, CA 95616 USA. EM whcasey@ucdavis.edu NR 32 TC 37 Z9 37 U1 2 U2 12 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0020-1669 J9 INORG CHEM JI Inorg. Chem. PD AUG 20 PY 2007 VL 46 IS 17 BP 7032 EP 7039 DI 10.1021/ic700845e PG 8 WC Chemistry, Inorganic & Nuclear SC Chemistry GA 200IN UT WOS:000248757200032 PM 17658746 ER PT J AU Barrios, LA Ribas, J Aromi, G Ribas-Arino, J Gamez, P Roubeau, O Teat, SJ AF Barrios, Leoni A. Ribas, Joan Aromi, Guillem Ribas-Arino, Jordi Gamez, Patrick Roubeau, Olivier Teat, Simon J. TI Preparation and structure of three solvatomorphs of the polymer [Co(dbM)(2)(4PtZ)](n): spin canting depending on the supramolecular organization SO INORGANIC CHEMISTRY LA English DT Article ID METAL-ORGANIC FRAMEWORK; MAGNETIC-PROPERTIES; DINUCLEAR COMPLEXES; CRYSTAL-STRUCTURE; LIGAND; DESIGN; ASSEMBLIES; COBALT(II); CROSSOVER; COMPOUND AB The syntheses and X-ray structures of three isomeric ID coordination polymers are reported. The complex [Co(dbM)(2)(MeOH)(2)] (1) was used as a precursor in these reactions. The preparation and structure of 1 is also presented; this mononuclear complex is in the cis configuration because this allows the formation of a network of intermolecular hydrogen bonds in the solid state. Reaction of 1 with 2,4,6-tris-(4-pyridyl)-1,3,5-triazine (4ptz) yields the polymers [Co(dbm)(2)(4ptz)](n).nTHF (2a), [Co(dbM)(2)(4ptZ)]n.0.75nTHF.0.5nEt(2)O (2b), and [Co(dbM)(2)(4ptZ)(n).3nDMF (2c) in the form of zigzag chains, instead of the expected honeycomb architectures. This is because of the establishment of extended pi-pi T stacking throughout these solids, which could not have occurred otherwise. Compounds 2a, 2b, and 2c are solvatomorphs, and formation of either one of them depends on the exact conditions of crystallization, which lead to significant differences in the supramolecular organization of the chains. Bulk magnetic measurements on 2a reveal weak antiferromagnetic exchange within the chains and small ordering throughout the solid that results in the manifestation of the phenomenon of spin canting, whereas for 2c the different supramolecular organization causes the antiferromagnetic exchange not to result in spin canting. C1 Univ Barcelona, Dept Quim Inorgan, E-08028 Barcelona, Spain. Univ Barcelona, Dept Quim Fis, CERQT, E-08028 Barcelona, Spain. Leiden Univ, Inst Chem, Gorlaeus Labs, NL-2300 RA Leiden, Netherlands. Univ Bordeaux 1, Ctr Rech Paul Pascal, F-33600 Pessac, France. CCLRC Daresbury Lab, Warrington WA4 4AD, Cheshire, England. Lawrence Berkeley Lab, Berkeley, CA 94720 USA. RP Aromi, G (reprint author), Univ Barcelona, Dept Quim Inorgan, Diagonal 647, E-08028 Barcelona, Spain. EM guillem.aromi@qi.ub.es RI Ribas, Jordi/G-8076-2011; Gamez, Patrick/B-3610-2012; Aromi, Guillem/I-2483-2015; Roubeau, Olivier/A-6839-2010; BARRIOS MORENO, LEONI ALEJANDRA/E-5413-2017 OI Ribas, Jordi/0000-0003-4088-6187; Gamez, Patrick/0000-0003-2602-9525; Aromi, Guillem/0000-0002-0997-9484; Roubeau, Olivier/0000-0003-2095-5843; BARRIOS MORENO, LEONI ALEJANDRA/0000-0001-7075-9950 NR 43 TC 35 Z9 35 U1 1 U2 8 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0020-1669 J9 INORG CHEM JI Inorg. Chem. PD AUG 20 PY 2007 VL 46 IS 17 BP 7154 EP 7162 DI 10.1021/ic7004979 PG 9 WC Chemistry, Inorganic & Nuclear SC Chemistry GA 200IN UT WOS:000248757200048 PM 17655290 ER PT J AU Berrocal, E Sedarsky, DL Paciaroni, ME Meglinski, IV Linne, MA AF Berrocal, Edouard Sedarsky, David L. Paciaroni, Megan E. Meglinski, Igor V. Linne, Mark A. TI Laser light scattering in turbid media part I: Experimental and simulated results for the spatial intensity distribution SO OPTICS EXPRESS LA English DT Article ID MONTE-CARLO-SIMULATION; TRANSPORT AB We investigate the scattering and multiple scattering of a typical laser beam (lambda= 800 nm) in the intermediate scattering regime. The turbid media used in this work are homogeneous solutions of monodisperse polystyrene spheres in distilled water. The two-dimensional distribution of light intensity is recorded experimentally, and calculated via Monte Carlo simulation for both forward and side scattering. The contribution of each scattering order to the total detected light intensity is quantified for a range of different scattering phase functions, optical depths, and detection acceptance angles. The Lorentz-Mie scattering phase function for individual particles is varied by using different sphere diameters (D = 1 and 5 mu m). The optical depth of the turbid medium is varied (OD = 2, 5, and 10) by employing different concentrations of polystyrene spheres. Detection angles of theta(a) = 1.5 and 8.5 are considered. A novel approach which realistically models the experimental laser source is employed in this paper, and very good agreement between the experimental and simulated results is demonstrated. The data presented here can be of use to validate other modern Monte Carlo models, which generate high resolution light intensity distributions. Finally, an extrapolation of the Beer-Lambert law to multiple scattering is proposed based on the Monte Carlo calculation of the ballistic photon contribution to the total detected light intensity. C1 Lund Inst Technol, Dept Combust Phys, S-22100 Lund, Sweden. LLS, Spectral Energies, Ames, IA 50011 USA. Cranfield Univ, Cranfield Hlth, Silsoe MK45 4DT, Beds, England. Sandia Natl Labs, Livermore, CA 94551 USA. RP Berrocal, E (reprint author), Lund Inst Technol, Dept Combust Phys, Box 118, S-22100 Lund, Sweden. EM edouard.berrocal@forbrf.lth.se RI Meglinski, Igor/J-2028-2012; Paciaroni, Megan/L-9619-2013; OI Meglinski, Igor/0000-0002-7613-8191; Paciaroni, Megan/0000-0002-6320-0291; Sedarsky, David/0000-0003-3012-9596 NR 21 TC 53 Z9 53 U1 3 U2 26 PU OPTICAL SOC AMER PI WASHINGTON PA 2010 MASSACHUSETTS AVE NW, WASHINGTON, DC 20036 USA SN 1094-4087 J9 OPT EXPRESS JI Opt. Express PD AUG 20 PY 2007 VL 15 IS 17 BP 10649 EP 10665 DI 10.1364/OE.15.010649 PG 17 WC Optics SC Optics GA 208RD UT WOS:000249336000019 PM 19547419 ER PT J AU Chin, MH Geng, AB Khan, AH Qian, WJ Petyuk, VA Boline, J Levy, S Toga, AW Smith, RD Leahy, RM Smith, DJ AF Chin, Mark H. Geng, Alex B. Khan, Arshad H. Qian, Wei-Jun Petyuk, Vladislav A. Boline, Jyl Levy, Shawn Toga, Arthur W. Smith, Richard D. Leahy, Richard M. Smith, Desmond J. TI A genome-scale map of expression for a mouse brain section obtained using voxelation SO PHYSIOLOGICAL GENOMICS LA English DT Article DE microarrays; genome; gradient of expression ID GENE-EXPRESSION; NERVOUS-SYSTEM; PROTEIN AB Gene expression signatures in the mammalian brain hold the key to understanding neural development and neurological diseases. We have reconstructed two- dimensional images of gene expression for 20,000 genes in a coronal slice of the mouse brain at the level of the striatum by using microarrays in combination with voxelation at a resolution of 1 mm(3). Good reliability of the microarray results were confirmed using multiple replicates, subsequent quantitative RT- PCR voxelation, mass spectrometry voxelation, and publicly available in situ hybridization data. Known and novel genes were identified with expression patterns localized to defined substructures within the brain. In addition, genes with unexpected patterns were identified, and cluster analysis identified a set of genes with a gradient of dorsal/ ventral expression not restricted to known anatomical boundaries. The genome- scale maps of gene expression obtained using voxelation will be a valuable tool for the neuroscience community. C1 Univ Calif Los Angeles, David Geffen Sch Med, Dept Mol & Med Pharmacol, Los Angeles, CA USA. Univ Calif Los Angeles, David Geffen Sch Med, Dept Neurol, Lab Neuro Imaging, Los Angeles, CA USA. Pacific NW Natl Lab, Div Biol Sci, Richland, WA USA. Pacific NW Natl Lab, Environm Mol Sci Lab, Richland, WA USA. Vanderbilt Univ, Biomed Informat Dept, Nashville, TN USA. Univ So Calif, Signal & Image Proc Lab, Los Angeles, CA USA. RP Smith, DJ (reprint author), 650 Charles E Young Dr,CHS 23-151A, Los Angeles, CA 90095 USA. EM DSmith@mednet.ucla.edu RI Smith, Richard/J-3664-2012; OI Smith, Richard/0000-0002-2381-2349; Petyuk, Vladislav/0000-0003-4076-151X FU NCRR NIH HHS [P41 RR018522, P41 RR018522-05, RR-18522]; NIDA NIH HHS [R01 DA015802-05, R01 DA015802, R01-DA-015802]; NINDS NIH HHS [R01 NS050148, R01 NS050148-05, R01-NS-050148] NR 29 TC 18 Z9 18 U1 0 U2 0 PU AMER PHYSIOLOGICAL SOC PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814 USA SN 1094-8341 J9 PHYSIOL GENOMICS JI Physiol. Genomics PD AUG 20 PY 2007 VL 30 IS 3 BP 313 EP 321 DI 10.1152/physiolgenomics.00287.2006 PG 9 WC Cell Biology; Genetics & Heredity; Physiology SC Cell Biology; Genetics & Heredity; Physiology GA 201ON UT WOS:000248841900012 PM 17504947 ER PT J AU Abruna, HD Goodenough, JB Buchanan, M AF Abruna, Hector D. Goodenough, John B. Buchanan, Michelle TI ANYL 28-Summary overview of basic research needs for electrical energy storage SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Abruna, Hector D.] Cornell Univ, Dept Chem Chem Biol, Baker Lab, Ithaca, NY 14853 USA. [Goodenough, John B.] Univ Texas Austin, Texas Mat Inst, Austin, TX 78712 USA. [Buchanan, Michelle] Oak Ridge Natl Lab, Phys Sci Directorate, Oak Ridge, TN 37831 USA. EM hdal@cornell.edu; jgoodenough@mail.utexas.edu; buchananmv@ornl.gov NR 0 TC 0 Z9 0 U1 1 U2 5 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 28-ANYL PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593901085 ER PT J AU Acatrinei, AI Hartl, MA Stowe, AC Daemen, LL AF Acatrinei, Alice I. Hartl, Monika A. Stowe, Ashley C. Daemen, Luke L. TI Study of alkali and alkaline earth alanates by inelastic neutron scattering SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Acatrinei, Alice I.; Hartl, Monika A.; Daemen, Luke L.] Los Alamos Natl Lab, Manuel Lujan Jr Neutron Scattering Ctr, Lujan Ctr, Los Alamos, NM 87501 USA. [Stowe, Ashley C.] Savannah River Natl Lab, Energy Secur Directoriate, Aiken, SC USA. EM aacatrinei@lanl.gov; hartl@lanl.gov; ashley.stowe@srs.gov; lld@lanl.gov RI Lujan Center, LANL/G-4896-2012; Hartl, Monika/F-3094-2014; Hartl, Monika/N-4586-2016 OI Hartl, Monika/0000-0002-6601-7273; Hartl, Monika/0000-0002-6601-7273 NR 0 TC 0 Z9 0 U1 0 U2 1 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 938-INOR PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593909600 ER PT J AU Ahle, LE Rusnak, B Hartouni, E Tremaine, A AF Ahle, Larry E. Rusnak, Brian Hartouni, Edward Tremaine, Aaron TI An intense, tunable, mono-energetic neutron source at LLNL SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Ahle, Larry E.; Rusnak, Brian; Hartouni, Edward; Tremaine, Aaron] Lawrence Livermore Natl Lab, Livermore, CA 94551 USA. EM ahle1@llnl.gov NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 133-NUCL PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593904619 ER PT J AU Alivisatos, AP AF Alivisatos, A. Paul TI PHYS 38-Plasmon rulers for measuring dynamical distance changes in biological macromolecular assemblies SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Alivisatos, A. Paul] Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA. EM apalivisatos@lbl.gov NR 0 TC 0 Z9 0 U1 0 U2 1 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 38-PHYS PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593907569 ER PT J AU Alivisatos, AP AF Alivisatos, A. Paul TI COLL 374-Plasmonic rulers for measuring the kinetics of macromolecular assembly SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Alivisatos, A. Paul] Lawrence Berkeley Natl Lab, Berkeley, CA 94620 USA. EM paul.alivisatos@lbl.gov NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 374-COLL PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593902046 ER PT J AU Almutairi, A Berezin, M Rossin, R Welch, MJ Hawker, CJ Wooley, KL Frechet, JMJ AF Almutairi, Adah Berezin, Mikhail Rossin, Raffaella Welch, Michael J. Hawker, Craig J. Wooley, Karen L. Frechet, Jean M. J. TI POLY 220-Designing biocompatible and activatable nanoscale carriers of bioactive agents SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Almutairi, Adah] Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA. [Berezin, Mikhail] Washington Univ, Sch Med, Dept Radiol, St Louis, MO 63110 USA. [Welch, Michael J.] Washington Univ, Sch Med, Mallinckrodt Inst Radiol, Div Radiol Sci, St Louis, MO 63110 USA. [Hawker, Craig J.] Univ Calif Santa Barbara, Mat Res Lab, Santa Barbara, CA 93106 USA. [Wooley, Karen L.] Washington Univ, Dept Chem, Ctr Mat Innovat, St Louis, MO 63130 USA. [Wooley, Karen L.] Washington Univ, Dept Radiol, St Louis, MO 63130 USA. [Frechet, Jean M. J.] Univ Calif Berkeley, Coll Chem & Chem Engn, Berkeley, CA 94720 USA. [Frechet, Jean M. J.] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA. EM berezinm@wustl.edu; hawker@mrl.ucsb.edu; klwooley@artsci.wustl.edu; frechet@cchem.berkeley.edu RI Hawker, Craig/G-4971-2011 OI Hawker, Craig/0000-0001-9951-851X NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 220-POLY PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593908325 ER PT J AU Almutairi, A Berezin, M Rossin, R Achilefu, S Welch, MJ Hawker, CJ Wooley, KL Frechet, JMJ AF Almutairi, Adah Berezin, Mikhail Rossin, Raffaella Achilefu, Samuel Welch, Michael J. Hawker, Craig J. Wooley, Karen L. Frechet, Jean M. J. TI COLL 39-Nanoscale carriers for diagnosis and therapy SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Almutairi, Adah] Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA. [Berezin, Mikhail; Achilefu, Samuel] Washington Univ, Sch Med, Dept Radiol, St Louis, MO 63110 USA. [Welch, Michael J.] Washington Univ, Sch Med, Mallinckrodt Inst Radiol, Div Radiol Sci, St Louis, MO 63110 USA. [Hawker, Craig J.] Univ Calif Santa Barbara, Mat Res Lab, Santa Barbara, CA 93106 USA. [Wooley, Karen L.] Washington Univ, Ctr Mat Innovat, Dept Chem, St Louis, MO 63130 USA. [Wooley, Karen L.] Washington Univ, Dept Radiol, St Louis, MO 63130 USA. [Frechet, Jean M. J.] Univ Calif Berkeley, Coll Chem & Chem Engn, Berkeley, CA 94720 USA. [Frechet, Jean M. J.] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA. EM berezinm@wustl.edu; hawker@mrl.ucsb.edu; klwooley@artsci.wustl.edu; frechet@cchem.berkeley.edu RI Hawker, Craig/G-4971-2011; Achilefu, Samuel/A-3681-2012 OI Hawker, Craig/0000-0001-9951-851X; NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 39-COLL PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593902231 ER PT J AU Almutairi, A Rossin, R Berezin, M Achilefu, S Welch, MJ Wooley, KL Frechet, JMJ AF Almutairi, Adah Rossin, Raffaella Berezin, Mikhail Achilefu, Samuel Welch, Michael J. Wooley, Karen L. Frechet, Jean M. J. TI AEI 124-Designing biocompatible and activatable nanoscale carriers for bioactive agents SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Almutairi, Adah] Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA. [Welch, Michael J.] Washington Univ, Mallinckrodt Inst Radiol, Sch Med, Div Radiol Sci, St Louis, MO 63110 USA. [Berezin, Mikhail; Achilefu, Samuel] Washington Univ, Sch Med, Dept Radiol, St Louis, MO 63110 USA. [Wooley, Karen L.] Washington Univ, Ctr Mat Innovat, Dept Chem, St Louis, MO 63110 USA. [Frechet, Jean M. J.] Univ Calif Berkeley, Coll Chem & Chem Engn, Berkeley, CA 94720 USA. [Frechet, Jean M. J.] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA. EM berezinm@wustl.edu; klwooley@artsci.wustl.edu; frechet@cchem.berkeley.edu RI Achilefu, Samuel/A-3681-2012 NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 124-AEI PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593900035 ER PT J AU Alvarez, M Khoury, JT Schaaff, TG Whetten, RL AF Alvarez, Marcos Khoury, Joseph T. Schaaff, T. Gregory Whetten, Robert L. TI AEI 110-Dielectric functions for gold cluster thiolates SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Alvarez, Marcos] Los Angeles Cty Sanit Dist, La Puente, CA 91746 USA. [Schaaff, T. Gregory] Oak Ridge Natl Lab, Oak Ridge, TN USA. [Whetten, Robert L.] Georgia Inst Technol, Sch Chem & Biochem, Atlanta, GA 30332 USA. [Whetten, Robert L.] Georgia Inst Technol, Sch Phys, Atlanta, GA 30332 USA. EM khoury@rowland.org; whetten@chemistry.gatech.edu NR 0 TC 0 Z9 0 U1 0 U2 1 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 110-AEI PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593900125 ER PT J AU Amador-Bedolla, C Salomon-Ferrer, R Aspuru-Guzik, A AF Amador-Bedolla, Carlos Salomon-Ferrer, Romelia Aspuru-Guzik, Alan TI PHYS 423-Electron pair localization function: Toward a theoretical electrophilicity scale SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Amador-Bedolla, Carlos] Univ Nacl Autonoma Mexico, Fac Quim, Mexico City 04510, DF, Mexico. [Salomon-Ferrer, Romelia] Univ Calif Berkeley, Lawrence Berkeley Lab, Dept Chem, Div Chem Sci,Kenneth S Pitzer Ctr Theoret Chem, Berkeley, CA 94720 USA. [Aspuru-Guzik, Alan] Harvard Univ, Dept Chem & Biol Chem, Cambridge, MA 02138 USA. EM amador.carlos@gmail.com; aspuru@chemistry.harvard.edu NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 423-PHYS PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593907449 ER PT J AU Anderson, TM Nyman, M Balogh, E Casey, WH Antonio, MR AF Anderson, Travis M. Nyman, May Balogh, Edina Casey, William H. Antonio, M. R. TI INOR 438-Aqueous reactivity and ion pairing studies of niobium- and tantalum-oxide clusters SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Anderson, Travis M.; Nyman, May] Sandia Natl Labs, Albuquerque, NM 87185 USA. [Balogh, Edina; Casey, William H.] Univ Calif Davis, Dept Chem, Davis, CA 95616 USA. [Balogh, Edina; Casey, William H.] Univ Calif Davis, Dept Geol, Davis, CA 95616 USA. [Antonio, M. R.] Argonne Natl Lab, Div Chem, Argonne, IL 60439 USA. EM tmander@sandia.gov; mdnyman@sandia.gov; mantonio@anl.gov NR 0 TC 0 Z9 0 U1 1 U2 6 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 438-INOR PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593908724 ER PT J AU Angelici, RJ AF Angelici, Robert J. TI INOR 331-Organometallic chemistry and catalysis on gold metal surfaces SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Angelici, Robert J.] Iowa State Univ, Ames Lab, Ames, IA 50011 USA. [Angelici, Robert J.] Iowa State Univ, Dept Chem, Ames, IA 50011 USA. EM angelici@iastate.edu NR 0 TC 0 Z9 0 U1 0 U2 1 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 331-INOR PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593908712 ER PT J AU Ashley, CE Carnes, EC White, LT Yuan, Z Dunphy, DR Petsev, DN Atanassov, P Peabody, D Brinker, CJ AF Ashley, Carlee E. Carnes, Eric C. White, Landon T. Yuan, Zhen Dunphy, Darren R. Petsev, Dimiter N. Atanassov, Plamen Peabody, David Brinker, C. Jeffrey TI BIOT 50-Co-assembly of genetically-modified bacteriophages and inorganic nanoparticles into silica-stabilized nanoarchitectures SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Ashley, Carlee E.; Carnes, Eric C.; White, Landon T.; Yuan, Zhen; Petsev, Dimiter N.; Atanassov, Plamen] Univ New Mexico, Dept Chem Engn, Adv Mat Lab, Albuquerque, NM 87106 USA. [Dunphy, Darren R.; Brinker, C. Jeffrey] Sandia Natl Labs, Adv Mat Lab, Albuquerque, NM 87106 USA. [Peabody, David] Univ New Mexico, Dept Mol Genet & Microbiol, Albuquerque, NM 87131 USA. EM ceashley@unm.edu; eccarne@unm.edu; lwhite@unm.edu; drdunph@sandia.gov; dimiter@unm.edu; plamen@unm.edu; dpeabody@salud.unm.edu; cjbrink@sandia.gov RI Atanassov, Plamen/G-4616-2011 NR 0 TC 0 Z9 0 U1 0 U2 2 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 50-BIOT PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593903306 ER PT J AU Assefa, Z Sykora, R Haire, RG AF Assefa, Zerihun Sykora, Richard Haire, R. G. TI INOR 533-Structural and spectroscopic studies of the first hetero-bimetallic coordination polymers consisting of both trans-uranium and transition metal elements SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Assefa, Zerihun] N Carolina Agr & Tech State Univ, Dept Chem, Greensboro, NC 27410 USA. [Sykora, Richard] Univ S Alabama, Dept Chem, Mobile, AL 36688 USA. [Haire, R. G.] Oak Ridge Natl Lab, CSD, Oak Ridge, TN 37830 USA. EM zassefa@ncat.edu; rsykora@jaguar1.usouthal.edu NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 533-INOR PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593909492 ER PT J AU Asthagiri, D Pratt, LR Paulaitis, M AF Asthagiri, Dilip Pratt, Lawrence R. Paulaitis, Michael TI PHYS 103-Role of fluctuations in a snug-fit mechanism of KcsA channel selectivity SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Asthagiri, Dilip] Johns Hopkins Univ, Dept Chem & Biomolecular Engn, Baltimore, MD 21218 USA. [Pratt, Lawrence R.] Los Alamos Natl Lab, Grp T 12, Los Alamos, NM 87545 USA. [Paulaitis, Michael] Ohio State Univ, Dept Chem & Biomol Engn, Columbus, OH 43210 USA. EM dilipa@jhu.edu; lrp@lanl.gov; paulaitis@chbmeng.ohio-state.edu RI Pratt, Lawrence/H-7955-2012 OI Pratt, Lawrence/0000-0003-2351-7451 NR 0 TC 0 Z9 0 U1 0 U2 1 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 103-PHYS PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593907238 ER PT J AU Atanassov, P Apblett, C AF Atanassov, Plamen Apblett, Christopher TI Enzymatic biofuel cells for micropower source applications SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Atanassov, Plamen] Univ New Mexico, Dept Chem & Nucl Engn, Albuquerque, NM 87131 USA. [Apblett, Christopher] Sandia Natl Labs, Albuquerque, NM 87185 USA. EM plamen@unm.edu; caapble@sandia.gov RI Atanassov, Plamen/G-4616-2011 NR 0 TC 0 Z9 0 U1 1 U2 4 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 193-FUEL PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593903741 ER PT J AU Atlas, SR Valone, SM AF Atlas, Susan R. Valone, Steven M. TI PHYS 52-Constrained search density functional theory and the entropy of charge transfer SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Atlas, Susan R.] Univ New Mexico, Ctr Adv Studies, Dept Phys & Astron, Albuquerque, NM 87131 USA. [Valone, Steven M.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA. EM susie@sapphire.phys.unm.edu; smv@lanl.gov NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 52-PHYS PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593907611 ER PT J AU Auer, M AF Auer, Manfred TI PHYS 172-Electron tomographic analysis of inner ear hair cells SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Auer, Manfred] Lawrence Berkeley Natl Lab, Div Life Sci, Dept Biophys, Berkeley, CA 94720 USA. [Auer, Manfred] Lawrence Berkeley Natl Lab, GTL, Berkeley, CA 94720 USA. EM mauer@lbl.gov NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 172-PHYS PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593907312 ER PT J AU Aufdenkampe, AK Mayorga, E Hedges, JI Masiello, CA Brown, TA McClain, ME Llerena, CA Quay, P Krusche, AV Richey, JE AF Aufdenkampe, Anthony K. Mayorga, Emilio Hedges, John I. Masiello, Caroline A. Brown, Thomas A. McClain, Michael E. Llerena, Carlos A. Quay, Paul Krusche, Alex V. Richey, Jeffery E. TI GEOC 9-The evolution of organic matter in the Amazon River system: Trends in radiocarbon, amino acid and lignin phenol composition SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Aufdenkampe, Anthony K.] Stroud Water Res Ctr, Avondale, PA 19311 USA. [Mayorga, Emilio] Rutgers State Univ, Inst Marine & Coastal Sci, New Brunswick, NJ 08901 USA. [Hedges, John I.; Krusche, Alex V.; Richey, Jeffery E.] Univ Washington, Sch Oceanog, Seattle, WA 98195 USA. [Masiello, Caroline A.] Rice Univ, Dept Earth Sci, Houston, TX 77005 USA. [Brown, Thomas A.] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA. [McClain, Michael E.] Florida Int Univ, Miami, FL 33199 USA. [Llerena, Carlos A.] Univ La Molina, Lima, Peru. [Krusche, Alex V.] Univ Sao Paulo, CENA, BR-05508 Sao Paulo, Brazil. EM aufdenkampe@stroudcenter.org; mayorga@marine.rutgers.edu; masiello@rice.edu; michael.mcclain@fiu.edu NR 0 TC 0 Z9 0 U1 0 U2 2 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 9-GEOC PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593902781 ER PT J AU Ba, XL Meng, YZ Huang, YS Furedi-Milhofer, H Kwak, SY Ge, SR Qin, YX Rafailovich, M DiMasi, E Pernodet, N AF Ba, Xiaolan Meng, Yizhi Huang, Yishu Fueredi-Milhofer, Helga Kwak, Seo Young Ge, Shouren Qin, Yixian Rafailovich, M. DiMasi, Elaine Pernodet, Nadine TI In vitro biomineralization induced by self-assembled extracellular matrix proteins SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Ba, Xiaolan; Ge, Shouren; Rafailovich, M.; Pernodet, Nadine] SUNY Stony Brook, Dept Mat Sci & Engn, Stony Brook, NY 11790 USA. [Meng, Yizhi; Qin, Yixian] SUNY Stony Brook, Dept Biomed Engn, Stony Brook, NY 11790 USA. [Huang, Yishu] Ward Melville Highsch, Setauket, NY 11733 USA. [Fueredi-Milhofer, Helga] Hebrew Univ Jerusalem, Casali Inst Appl Chem, Dept Chem, IL-91904 Jerusalem, Israel. [Kwak, Seo Young; DiMasi, Elaine] Brookhaven Natl Lab, Natl Synchrotron Light Source, Upton, NY 11973 USA. EM baxiaolan@gmail.com; ymeng@sunysb.edu; xxliange1517xx@yahoo.com; helga@vms.huji.ac.il; dimasi@bnl.gov RI Meng, Yizhi/B-1233-2008 NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 12-PMSE PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593905361 ER PT J AU Baker, JD Riddle, CL McGrath, CA Sutton, CS AF Baker, J. D. Riddle, C. L. McGrath, C. A. Sutton, C. S. TI Ultra purification of Mo 100 for use in double beta decay experiments SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Baker, J. D.; Riddle, C. L.; McGrath, C. A.] Idaho Natl Lab, Idaho Falls, ID 83415 USA. [Sutton, C. S.] Mt Holyoke Coll, Dept Phys, S Hadley, MA 01075 USA. EM john.baker@inl.gov; christopher.mcgrath@inl.gov RI McGrath, Christopher/E-8995-2013 NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 109-NUCL PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593904528 ER PT J AU Baker, RT Pons, V Hamilton, CW Keaton, RJ AF Baker, R. Tom Pons, Vincent Hamilton, Charles W. Keaton, Richard J. TI INOR 359-Reaction pathways for metal-catalyzed dehydrogenation of ammonia-borane: Selectivity dictates extent of hydrogen release SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Baker, R. Tom; Pons, Vincent; Keaton, Richard J.] Los Alamos Natl Lab, Div Chem, Los Alamos, NM 87545 USA. [Hamilton, Charles W.] Los Alamos Natl Lab, Inorgan Isotope & Actinide Chem Grp, Los Alamos, NM 87545 USA. EM bakertom@lanl.gov; vpons@lanl.gov; chamilton@lanl.gov; rkeaton@lanl.gov NR 4 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 359-INOR PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593909735 ER PT J AU Balachandran, U Lee, TH Chen, L Picciolo, JJ Emerson, JE Dorris, SE AF Balachandran, U. Lee, T. H. Chen, Ling Picciolo, J. J. Emerson, James E. Dorris, S. E. TI FUEL 112-Development of dense membranes for hydrogen production from coal SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Balachandran, U.; Lee, T. H.; Chen, Ling; Picciolo, J. J.; Emerson, James E.; Dorris, S. E.] Argonne Natl Lab, Div Energy Syst, Ceram Sect, Argonne, IL 60439 USA. EM balu@anl.gov; thlee@anl.gov; balu@anl.gov; dorris@anl.gov NR 0 TC 0 Z9 0 U1 0 U2 1 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 112-FUEL PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593903635 ER PT J AU Barabanschikov, A Sage, JT Silvernail, NJ Scheidt, WR Zhao, JY Sturhahn, W Alp, EE AF Barabanschikov, Alexander Sage, J. Timothy Silvernail, Nathan J. Scheidt, W. Robert Zhao, Jiyong Sturhahn, Wolfgang Alp, E. Ercan TI INOR 100-DFT studies of NO activation of sGC SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Barabanschikov, Alexander; Sage, J. Timothy] Northeastern Univ, Dept Phys, Boston, MA 02115 USA. [Silvernail, Nathan J.; Scheidt, W. Robert] Univ Notre Dame, Dept Chem & Biochem, Notre Dame, IN 46556 USA. [Zhao, Jiyong; Sturhahn, Wolfgang; Alp, E. Ercan] Argonne Natl Lab, Adv Photon Source, Argonne, IL 60439 USA. EM a.barabanschikov@neu.edu; jtsage@neu.edu; scheidt.1@nd.edu; jzhao@aps.anl.gov; sturhahn@aps.anl.gov; eea@aps.anl.gov NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 100-INOR PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593909450 ER PT J AU Bartlett, N AF Bartlett, Neil TI FLUO 23-Some puzzling aspects of silver fluoride salts and the possibility of superconducting systems involving silver-fluorine networks SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Bartlett, Neil] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Chem Sci, Berkeley, CA 94720 USA. [Bartlett, Neil] Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA. EM neilbartlett@earthlink.net NR 0 TC 0 Z9 0 U1 0 U2 1 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 23-FLUO PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593901791 ER PT J AU Batista, ER Martin, RL AF Batista, Enrique R. Martin, Richard L. TI INOR 559-Electronic properties of the Ru blue dimer and related compounds to catalyze water oxidation SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Batista, Enrique R.; Martin, Richard L.] Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA. EM erb@lanl.gov; rlmartin@lanl.gov NR 0 TC 0 Z9 0 U1 1 U2 1 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 559-INOR PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593909022 ER PT J AU Benson, MT Moser, ML Peterman, DR AF Benson, Michael T. Moser, Megan L. Peterman, Dean R. TI INOR 21-Novel dithiophosphinic acids as actinide extractants, a density functional theory investigation SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Benson, Michael T.] Idaho Natl Lab, Dept Chem Sci, Idaho Falls, ID 83415 USA. [Peterman, Dean R.] Idaho Natl Lab, Aqueous Separat & Radiochem Dept, Idaho Falls, ID 83415 USA. EM michael.benson@inl.gov; dean.peterman@inl.gov RI Benson, Michael/B-8855-2017 OI Benson, Michael/0000-0003-4927-614X NR 0 TC 0 Z9 0 U1 0 U2 1 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 21-INOR PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593909363 ER PT J AU Bernstein, LA Stoyer, MA Hoffman, RD Greife, U Grimes, SM AF Bernstein, L. A. Stoyer, Mark A. Hoffman, R. D. Greife, Uwe Grimes, Steven M. TI Nuclear Physics using the National Ignition Facility SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Bernstein, L. A.; Stoyer, Mark A.; Hoffman, R. D.] Lawrence Livermore Natl Lab, Livermore, CA 94551 USA. [Greife, Uwe] Colorado Sch Mines, Dept Phys, Golden, CO 80401 USA. [Grimes, Steven M.] Ohio Univ, Dept Phys & Astron, Edwards Accelerator Lab, Athens, OH 45701 USA. EM labernstein@llnl.gov; stoyer1@llnl.gov; ugreife@mines.edu; grimes@ohiou.edu NR 0 TC 0 Z9 0 U1 0 U2 1 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 135-NUCL PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593904540 ER PT J AU Bernstein, R Thornberg, SM Assink, RA Irwin, AN Hochrein, JM Brown, JR Derzon, DK Klamo, SB Clough, RL AF Bernstein, Robert Thornberg, Steven M. Assink, Roger A. Irwin, Adriane N. Hochrein, James M. Brown, Jason R. Derzon, Dora K. Klamo, Sara B. Clough, Roger L. TI POLY 201-Thermal degradation of polypropylene SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Bernstein, Robert; Assink, Roger A.; Derzon, Dora K.; Clough, Roger L.] Sandia Natl Labs, Organ Mat Dept, Albuquerque, NM 87185 USA. [Thornberg, Steven M.; Irwin, Adriane N.; Hochrein, James M.] Sandia Natl Labs, Albuquerque, NM 87185 USA. [Brown, Jason R.] Sandia Natl Labs, Chem & Biol Sensing Imaging & Anal, Albuquerque, NM 87185 USA. [Klamo, Sara B.] CALTECH, Arnold & Mabel Beckman Labs Chem Synth, Pasadena, CA 91125 USA. EM rbernst@sandia.gov; smthorn@sandia.gov; raassin@sandia.gov; klamo@caltech.edu; rlclough@sandia.gov RI Bernstein, Robert/F-8396-2013 NR 0 TC 0 Z9 0 U1 0 U2 2 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 201-POLY PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593908032 ER PT J AU Bischoff, BL Judkins, RR Ciocco, MV Killmeyer, RP AF Bischoff, Brian L. Judkins, R. R. Ciocco, Michael V. Killmeyer, Richard P. TI Separation of hydrogen from coal-derived synthesis gas using nanoporous inorganic membranes SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Bischoff, Brian L.; Judkins, R. R.] Oak Ridge Natl Lab, Oak Ridge, TN 37922 USA. [Ciocco, Michael V.] Parsons, NETL Support Contractor, South Pk, PA 15129 USA. [Killmeyer, Richard P.] US DOE, Natl Energy Technol Lab, Pittsburgh, PA 15236 USA. EM bischoffbl@ornl.gov; Michael.Ciocco@pp.netl.doe.gov NR 0 TC 0 Z9 0 U1 1 U2 4 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 245-FUEL PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593903736 ER PT J AU Bleuel, DL Bernstein, LA Gibelin, JD Heffner, D Mintz, J Norman, EB Phair, LW Scielzo, ND Sheets, SA Snyderman, NJ Wiedeking, M AF Bleuel, D. L. Bernstein, L. A. Gibelin, J. D. Heffner, D. Mintz, J. Norman, E. B. Phair, L. W. Scielzo, N. D. Sheets, S. A. Snyderman, N. J. Wiedeking, M. TI Gamma ray multiplicity of Cf-252 spontaneous fission using LiBerACE SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Bleuel, D. L.; Bernstein, L. A.; Heffner, D.; Norman, E. B.; Scielzo, N. D.; Sheets, S. A.; Snyderman, N. J.] Lawrence Livermore Natl Lab, Livermore, CA 94551 USA. [Gibelin, J. D.; Phair, L. W.; Wiedeking, M.] Lawrence Berkeley Natl Lab, Div Nucl Sci, Berkeley, CA 94702 USA. [Mintz, J.] Univ Calif Berkeley, Dept Nucl Engn, Berkeley, CA 94720 USA. EM bleuell@llnl.gov; labernstein@llnl.gov; ebnorman@lbl.gov; lwphair@lbl.gov; scielzo1@llnl.gov; sheets4@llnl.gov; snydermanl@llnl.gov; MWiedeking@lbl.gov NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 138-NUCL PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593904640 ER PT J AU Bores, N Schultz, MK Rankin, JM Denton, AJ Payne, GF AF Bores, Norman Schultz, Michael K. Rankin, J. M. Denton, A. J. Payne, G. F. TI Tritium in urine radiobioassay intercomparison results from the Intercomparison Studies Program at Oak Ridge National Laboratory SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Bores, Norman; Rankin, J. M.; Denton, A. J.; Payne, G. F.] Oak Ridge Natl Lab, Intercomparisons Studies Grp, Oak Ridge, TN 37831 USA. [Schultz, Michael K.] Univ Iowa Hosp & Clin, Dept Radiat Oncol, Iowa City, IA 52242 USA. EM boresne@ornl.gov; michael-schultz@uiowa.edu NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 113-NUCL PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593904609 ER PT J AU Bowers, DL Ehst, DA Sullivan, VS Vandegrift, GF AF Bowers, Delbert L. Ehst, David A. Sullivan, Vivian S. Vandegrift, George F. TI 67Cu separation from zinc by sublimation and ion exchange SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Bowers, Delbert L.; Sullivan, Vivian S.; Vandegrift, George F.] Argonne Natl Lab, Div Chem Engn, Argonne, IL 60439 USA. [Ehst, David A.] Argonne Natl Lab, Nucl Engn Div, Argonne, IL 60439 USA. EM bowers@cmt.anl.gov; sullivan@cmt.anl.gov; vandegrift@cmt.anl.gov NR 0 TC 0 Z9 0 U1 0 U2 1 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 111-NUCL PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593904628 ER PT J AU Bratko, D Daub, CD Leung, K Luzar, A AF Bratko, Dusan Daub, Christopher D. Leung, Kevin Luzar, Alenka TI COMP 21-Role of molecular anisotropy in electrowetting SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Bratko, Dusan] Univ Calif Berkeley, Dept Chem Engn, Berkeley, CA 94720 USA. [Bratko, Dusan; Daub, Christopher D.; Luzar, Alenka] Virginia Commonwealth Univ, Dept Chem, Richmond, VA 23284 USA. [Leung, Kevin] Sandia Natl Labs, Albuquerque, NM 87185 USA. EM dbratko@vcu.edu; kleung@sandia.gov; aluzar@vcu.edu RI Daub, Christopher/B-1460-2015 OI Daub, Christopher/0000-0002-4290-9058 NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 21-COMP PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593906324 ER PT J AU Britt, PF Buchanan, AC Kidder, MK Kintzel, EJ Herwig, KW Chaffee, AL AF Britt, Phillip F. Buchanan, A. C., III Kidder, Michelle K. Kintzel, Edward J., Jr. Herwig, Kenneth W. Chaffee, Alan L. TI Effect of pore confinement on free-radical reactions SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Britt, Phillip F.] Oak Ridge Natl Lab, Ctr Nanophase Mat Sci, Oak Ridge, TN 37831 USA. [Britt, Phillip F.; Buchanan, A. C., III; Kidder, Michelle K.] Oak Ridge Natl Lab, Div Chem Sci, Oak Ridge, TN 37831 USA. [Kintzel, Edward J., Jr.; Herwig, Kenneth W.] Oak Ridge Natl Lab, Expt Facil Div, Spallat Neutron Source, Oak Ridge, TN 37831 USA. [Chaffee, Alan L.] Monash Univ, Sch Chem, Clayton, Vic 3800, Australia. EM brittpf@ornl.gov; buchananac@ornl.gov; kidderm@ornl.gov; kintzelej@ornl.gov; Alan.Chaffee@sci.monash.edu.au RI Herwig, Kenneth/F-4787-2011 NR 0 TC 0 Z9 0 U1 0 U2 1 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 45-PETR PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593904791 ER PT J AU Brooks, SC Dong, WM AF Brooks, Scott C. Dong, Wenming TI INOR 961-Formation of aqueous Mg-U(VI)-CO3 complex and uranyl ion exchange mechanism onto an anion exchange resin SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Brooks, Scott C.; Dong, Wenming] Oak Ridge Natl Lab, Div Environm Sci, Oak Ridge, TN 37831 USA. EM brookssc@ornl.gov; dongw@ornl.gov RI Brooks, Scott/B-9439-2012; Dong, Wenming/G-3221-2015 OI Brooks, Scott/0000-0002-8437-9788; Dong, Wenming/0000-0003-2074-8887 NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 961-INOR PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593909357 ER PT J AU Burger, S Riciputi, LR Bostick, DA Kinman, WS AF Buerger, Stefan Riciputi, Lee R. Bostick, Debra A. Kinman, William S. TI Ab initio study of the photoinduced proton transfert on the uranyl in aqueous solution SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Buerger, Stefan; Riciputi, Lee R.; Bostick, Debra A.; Kinman, William S.] Oak Ridge Natl Lab, Div Chem Sci, Oak Ridge, TN 37831 USA. EM buergers@ornl.gov NR 0 TC 0 Z9 0 U1 0 U2 2 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 76-NUCL PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593904603 ER PT J AU Burke, JT Sheets, SA Phair, LW Scielzo, ND Gibelin, JD Clark, RM Wiedeking, M Bernstein, LA Norman, EB Hoffman, RD Beausang, CW Lesher, SR Lyles, BF AF Burke, Jason T. Sheets, S. A. Phair, L. W. Scielzo, N. D. Gibelin, J. D. Clark, R. M. Wiedeking, M. Bernstein, Lee A. Norman, Eric B. Hoffman, R. D. Beausang, C. W. Lesher, S. R. Lyles, B. F. TI Helium burning in steady state and explosive nucleosynthesis SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Burke, Jason T.; Sheets, S. A.; Scielzo, N. D.; Bernstein, Lee A.; Norman, Eric B.; Hoffman, R. D.; Lyles, B. F.] Lawrence Livermore Natl Lab, Livermore, CA 94551 USA. [Phair, L. W.; Gibelin, J. D.; Clark, R. M.; Wiedeking, M.] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Nucl Sci, Berkeley, CA 94720 USA. [Beausang, C. W.] Univ Richmond, Dept Phys, Gottwald Sci Ctr, Richmond, VA 23173 USA. EM sheets4@llnl.gov; lwphair@lbl.gov; scielzo1@llnl.gov; MWiedeking@lbl.gov; bernstein2@llnl.gov; norman11@llnl.gov; cbeausan@richmond.edu NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 81-NUCL PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593904629 ER PT J AU Burton-Pye, BP Jing, J Antonio, MR Francesconi, LC AF Burton-Pye, Benjamin P. Jing, Jing Antonio, M. R. Francesconi, Lynn C. TI INOR 71-Organic-soluble polyoxometalates: Routes to luminescent devices and rich electrochemistry SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Burton-Pye, Benjamin P.; Jing, Jing; Francesconi, Lynn C.] CUNY Hunter Coll, Dept Chem, New York, NY 10021 USA. [Jing, Jing] CUNY, Grad Ctr, New York, NY 10021 USA. [Antonio, M. R.] Argonne Natl Lab, Div Chem, Argonne, IL 60439 USA. EM bburtonp@hunter.cuny.edu; jjing@hunter.cuny.edu; mantonio@anl.gov NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 71-INOR PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593908790 ER PT J AU Cadieux, JR Hall, G Lamont, SP AF Cadieux, James R. Hall, G. Lamont, S. P. TI Detection and measurement of plutonium isotopes in the National Institute of Standards and Technology (NIST)'s Peruvian Soil Standard Reference Material (SRM 4355) by alpha spectrometry and thermal ionization mass spectrometry (TIMS) SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Cadieux, James R.; Hall, G.] Savannah River Natl Lab, Aiken, SC 29808 USA. [Lamont, S. P.] Los Alamos Natl Lab, Isotope & Nucl Chem Grp, Los Alamos, NM 87545 USA. EM james.cadieux@srnl.doe.gov NR 0 TC 0 Z9 0 U1 1 U2 2 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 94-NUCL PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593904549 ER PT J AU Calligan, LJ Pierce, EM AF Calligan, LaQuanti J. Pierce, Eric M. TI Experimental study of the dissolution rates of a simulated borosilicate waste glass as a function of pH and temperature SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Calligan, LaQuanti J.] Texas So Univ, Dept Chem, Houston, TX 77004 USA. [Pierce, Eric M.] Pacific NW Natl Lab, Environm Technol Directorate Appl Geol & Geochem, Richland, WA 99352 USA. EM Eric.Pierce@pnl.gov RI Pierce, Eric/G-1615-2011 OI Pierce, Eric/0000-0002-4951-1931 NR 0 TC 1 Z9 1 U1 1 U2 5 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 116-ENVR PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593902671 ER PT J AU Camaioni, DM Heldebrant, DJ Linehan, JC Shaw, WJ Li, J DuBois, DL Autrey, T AF Camaioni, Donald M. Heldebrant, David J. Linehan, John C. Shaw, Wendy J. Li, Jun DuBois, Daniel L. Autrey, Tom TI FUEL 137-Toward regenerating ammonia borane from spent fuel SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Camaioni, Donald M.; Heldebrant, David J.; Linehan, John C.; Shaw, Wendy J.; DuBois, Daniel L.; Autrey, Tom] Pacific NW Natl Lab, Chem & Mat Sci Div, Richland, WA 99352 USA. [Li, Jun] Pacific NW Natl Lab, WR Wiley Environm Mol Sci Lab, Richland, WA 99352 USA. EM donald.camaioni@pnl.gov; david.heldebrant@pnl.gov; john.linehan@pnl.gov; Wendy.Shaw@pnl.gov; Jun.Li@pnl.gov; daniel.dubois@pnl.gov; tom.autrey@pnl.gov NR 0 TC 0 Z9 0 U1 0 U2 1 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 137-FUEL PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593903604 ER PT J AU Campbell, AA AF Campbell, Allison A. TI Biomineralization, biomimetics and biomaterials: Lessons learned from Nature SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Campbell, Allison A.] Pacific NW Natl Lab, Environm Mol Sci Lab, Richland, WA 99352 USA. EM alliosn.campbell@pnl.gov NR 0 TC 0 Z9 0 U1 0 U2 2 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 11-WCC PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593905223 ER PT J AU Cang, H Xu, CS Yang, H AF Cang, Hu Xu, C. Shan Yang, Haw TI PHYS 698-Confocal 3-D single particle tracking and spectroscopy on single moving particles SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Xu, C. Shan; Yang, Haw] Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA. [Cang, Hu] Univ Calif Berkeley, Lawrence Berkeley Lab, Phys Biosci Div, Berkeley, CA 94720 USA. EM hucang@gmail.com; hawyang@berkeley.edu NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 698-PHYS PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593907409 ER PT J AU Carnes, EC Ashley, CE Lopez, DM Douthit, CM Dunphy, DR Brinker, CJ AF Carnes, Eric C. Ashley, Carlee E. Lopez, DeAnna M. Douthit, Cynthia M. Dunphy, Darren R. Brinker, C. Jeffrey TI Integrated platforms for engineered cell-cell communication via cell-directed assembly SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Carnes, Eric C.; Ashley, Carlee E.; Lopez, DeAnna M.; Douthit, Cynthia M.] Univ New Mexico, Dept Chem Engn, Adv Mat Lab, Albuquerque, NM 87106 USA. [Dunphy, Darren R.; Brinker, C. Jeffrey] Sandia Natl Labs, Adv Mat Lab, Albuquerque, NM 87106 USA. EM eccarne@unm.edu; ceashley@unm.edu; dmlopez2@unm.edu; cdouthit@unm.edu; drdunph@sandia.gov; cjbrink@sandia.gov NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 382-BIOT PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593903293 ER PT J AU Chabinyc, ML Toney, MF McCulloch, I Heeney, M AF Chabinyc, Michael L. Toney, Michael F. McCulloch, Iain Heeney, Martin TI COLL 450-Interfacial interactions of semiconducting polymers in thin film transistors SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Chabinyc, Michael L.] Palo Alto Res Ctr, Elect Mat Lab, Palo Alto, CA 94304 USA. [Toney, Michael F.] Stanford Synchrotron Radiat Lab, Menlo Pk, CA 94025 USA. [McCulloch, Iain; Heeney, Martin] Merck Chem, Southampton SO16 7QD, Hants, England. EM mchabinyc@parc.com; mftoney@slac.stanford.edu; iain.mcculloch@merckchem.co.uk RI Chabinyc, Michael/E-2387-2011 NR 0 TC 0 Z9 0 U1 1 U2 1 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 450-COLL PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593902319 ER PT J AU Chae, PS Wander, MJ Bowling, AP Laible, PD Gellman, SH AF Chae, Pil Seok Wander, Marc J. Bowling, Aaron P. Laible, Philip D. Gellman, Samuel H. TI BIOL 66-New tripod amphiphiles for membrane protein solubilization and stabilization SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Chae, Pil Seok; Gellman, Samuel H.] Univ Wisconsin, Dept Chem, Madison, WI 53706 USA. [Wander, Marc J.; Bowling, Aaron P.; Laible, Philip D.] Argonne Natl Lab, Biosci Div, Argonne, IL 60439 USA. EM pchae@wisc.edu; mwander@anl.gov; gellman@chem.wisc.edu NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 66-BIOL PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593900691 ER PT J AU Chen, HY Nambu, A Wen, W Graciani, J Hanson, JC Fujita, E Rodriguez, JA AF Chen, Haiyan Nambu, Akira Wen, Wen Graciani, Jesus Hanson, Jonathan C. Fujita, Etsuko Rodriguez, Jose A. TI INOR 388-Characterization of the titania nitridation reaction by time resolved in situ X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), and near-edge X-ray adsorption fine structure (NEXAFS) SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Chen, Haiyan; Nambu, Akira; Wen, Wen; Hanson, Jonathan C.; Fujita, Etsuko; Rodriguez, Jose A.] Brookhaven Natl Lab, Dept Chem, Upton, NY 11973 USA. [Graciani, Jesus] Univ Seville, Dept Quym Fys, E-41012 Seville, Spain. EM wwen@bnl.gov; fujita@bnl.gov; rodrigez@bnl.gov RI Fujita, Etsuko/D-8814-2013 NR 0 TC 0 Z9 0 U1 0 U2 1 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 388-INOR PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593909441 ER PT J AU Chen, H Bahns, J Wang, R Chen, LH AF Chen, Hao Bahns, John Wang, Rong Chen, Liaohai TI ANYL 229-Quantitative raman analysis based on hole-enhanced raman scattering SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Chen, Hao; Wang, Rong] IIT, Dept Biol Chem & Phys Sci, Chicago, IL 60616 USA. [Bahns, John; Chen, Liaohai] Argonne Natl Lab, Argonne, IL 60439 USA. EM hchen@anl.gov; wangr@iit.edu NR 0 TC 0 Z9 0 U1 0 U2 1 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 229-ANYL PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593901365 ER PT J AU Chen, SY Chen, JY Zhao, XR Wong, SS Ojima, I AF Chen, Shuyi Chen, Jingyi Zhao, Xianrui Wong, Stanislaus S. Ojima, Iwao TI MEDI 328-Synthesis and evaluation of functionalized SWNT as transporter for tumor-targeting drug delivery SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Chen, Shuyi; Zhao, Xianrui; Wong, Stanislaus S.; Ojima, Iwao] SUNY Stony Brook, Dept Chem, Stony Brook, NY 11794 USA. [Chen, Jingyi] Brookhaven Natl Lab, Dept Condense Matter Phys, Upton, NY 11973 USA. [Wong, Stanislaus S.] Brookhaven Natl Lab, Dept Mat Sci, Stony Brook, NY 11794 USA. [Ojima, Iwao] SUNY Stony Brook, ICB&DD, Stony Brook, NY 11794 USA. EM shcchen@ic.sunysb.edu; chenj@bnl.gov; xizhao@ic.sunysb.edu; sswong@notes.cc.sunysb.edu; iojima@notes.cc.sunysb.edu NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 328-MEDI PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593907738 ER PT J AU Chialvo, AA Simonson, JM AF Chialvo, Ariel A. Simonson, J. Michael TI I&EC 83-Ion pair association in aqueous hydrochloric acid solutions along near-critical isotherms SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Chialvo, Ariel A.; Simonson, J. Michael] Oak Ridge Natl Lab, Div Chem Sci, Oak Ridge, TN 37831 USA. [Simonson, J. Michael] Oak Ridge Natl Lab, Ctr Nanophase Mat Sci, Oak Ridge, TN 37831 USA. EM chialvoaa@ornl.gov; simonsonjm@ornl.gov NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 83-IEC PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593903784 ER PT J AU Chialvo, AA Simonson, JM AF Chialvo, Ariel A. Simonson, J. Michael TI I&EC 77-On the molecular modeling of dilute multicomponent systems in near-critical media: Formal results and thermodynamic pitfalls SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Chialvo, Ariel A.; Simonson, J. Michael] Oak Ridge Natl Lab, Div Chem Sci, Oak Ridge, TN 37831 USA. [Simonson, J. Michael] Oak Ridge Natl Lab, Ctr Nanophase Mat Sci, Oak Ridge, TN 37831 USA. EM chialvoaa@ornl.gov; simonsonjm@ornl.gov NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 77-IEC PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593903785 ER PT J AU Choiniere, AD Clark, S Smith, SC Knaack, CM AF Choiniere, Andrea D. Clark, Sue Smith, Steven C. Knaack, Charles M. TI Isotopic composition of uranium in soils SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Choiniere, Andrea D.; Clark, Sue] Washington State Univ, Dept Chem, Pullman, WA 99164 USA. [Smith, Steven C.] Pacific NW Natl Lab, Richland, WA 99352 USA. [Knaack, Charles M.] Washington State Univ, Sch Earth & Environm Sci, Pullman, WA 99164 USA. EM andichoin@wsu.edu; s_clark@mail.wsu.edu; steven.smith@pnl.gov NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 46-NUCL PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593904538 ER PT J AU Chow, MS Decker, A Wilson, S Eser, B Fitzpatrick, PF Hedman, B Hodgson, KO Solomon, EI AF Chow, Marina S. Decker, Andrea Wilson, Samuel Eser, Bekir Fitzpatrick, Paul F. Hedman, Britt Hodgson, Keith O. Solomon, Edward I. TI INOR 869-Spectroscopic investigations of mononuclear nonheme iron active sites: Structure/function correlations for pterin-dependent hydroxylases and studies of activated bleomycin reactivity SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Chow, Marina S.; Decker, Andrea; Wilson, Samuel; Solomon, Edward I.] Stanford Univ, Dept Chem, Stanford, CA 94305 USA. [Eser, Bekir; Fitzpatrick, Paul F.] Texas A&M Univ, Dept Biochem & Biophys, College Stn, TX 77843 USA. [Hedman, Britt; Hodgson, Keith O.] Stanford Univ, Dept Chem, Stanford, CA 94309 USA. [Hedman, Britt; Hodgson, Keith O.] Stanford Univ, Stanford Synchrotron Radiat Lab, Stanford, CA 94309 USA. EM marinac@stanford.edu; andrea.decker@stanford.edu; s4wilson@stanford.edu; beser@mail.chem.tamu.edu; fitzpat@tamu.edu; edward.solomon@stanford.edu NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 869-INOR PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593909305 ER PT J AU Chu, S AF Chu, Steven TI POLY 380-Single molecule studies of polymer dynamics SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Chu, Steven] Univ Calif Berkeley, Lawrence Berkeley Lab, Dept Phys, Dept Mol & Cellular Biol, Berkeley, CA 94720 USA. EM schu@lbl.gov NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 380-POLY PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593908163 ER PT J AU Claridge, SA Liang, HY Basu, R Frechet, JMJ Alivisatos, AP AF Claridge, Shelley Ann Liang, Huiyang Basu, Roger Frechet, Jean M. J. Alivisatos, A. Paul TI COLL 308-Nanoparticle bioconjugates purified by AE-HPLC: Superior substrates for enzymatic and spectroscopic applications SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Claridge, Shelley Ann; Liang, Huiyang; Basu, Roger; Frechet, Jean M. J.; Alivisatos, A. Paul] Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA. [Alivisatos, A. Paul] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Mat Sci, Berkeley, CA 94720 USA. EM claridge@berkeley.edu; alivis@berkeley.edu NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 308-COLL PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593902457 ER PT J AU Clark, RM AF Clark, R. M. TI Investigations of pairing in nuclei SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Clark, R. M.] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Nucl Sci, Berkeley, CA 94720 USA. EM rmclark@lbl.gov NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 40-NUCL PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593904636 ER PT J AU Click, D Coleman, C Herman, C Zeigler, K AF Click, Damon Coleman, Charles Herman, Connie Zeigler, Kristine TI Analytical method development for processing the next macro-batch feed of radioactive high-level waste sludge to the Defense Waste Processing Facility SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Click, Damon; Coleman, Charles; Herman, Connie; Zeigler, Kristine] Washington Savannah River Co, Savannah River Natl Lab, Aiken, SC 29808 USA. EM damon.click@srnl.doe.gov NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 159-NUCL PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593904663 ER PT J AU Coleman, CJ Edwards, TB Marzolf, AD Hera, KR Mahannah, RN Feller, MT Spencer, RB AF Coleman, C. J. Edwards, T. B. Marzolf, A. D. Hera, K. R. Mahannah, R. N. Feller, M. T. Spencer, R. B. TI Development and testing of improved analytical methods for process control of the Defense Waste Processing Facility SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Coleman, C. J.; Edwards, T. B.; Marzolf, A. D.; Hera, K. R.] Savannah River Natl Lab, Aiken, SC 29808 USA. EM charles02.coleman@srnl.doe.gov NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 158-NUCL PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593904560 ER PT J AU Conradson, SD AF Conradson, Steven D. TI X-ray absorption fine structure spectroscopy as a probe of chemical speciation and intrinsic nanoscience of actinide-containing materials SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Conradson, Steven D.] Los Alamos Natl Lab, Seaborg Inst, ADSMS, Los Alamos, NM 87545 USA. EM conradson@lanl.gov NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 130-NUCL PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593904660 ER PT J AU Copping, R Tian, G Rao, L AF Copping, Roy Tian, Guoxin Rao, Linfeng TI INOR 194-High and low valent actinide coordination chemistry with nitrogen and sulfur donor ligands SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Copping, Roy; Tian, Guoxin; Rao, Linfeng] Univ Calif Berkeley, Lawrence Berkeley Lab, Actinide Chem Grp, Glenn T Seaborg Ctr,Chem Sci Div, Berkeley, CA 94720 USA. EM rcopping@lbl.gov; gtian@lbl.gov; LRao@lbl.gov NR 0 TC 0 Z9 0 U1 0 U2 2 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 194-INOR PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593909135 ER PT J AU Cowin, JP Lilach, Y Iedema, MJ AF Cowin, James P. Lilach, Y. Iedema, Martin J. TI COMP 72-Dissociation of "buried" water on Pt(111) SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Cowin, James P.; Iedema, Martin J.] Pacific NW Natl Lab, Environm Mol Sci Lab, Richland, WA 99352 USA. [Lilach, Y.] Hebrew Univ Jerusalem, Racah Inst Phys, Fac Sci, IL-91904 Jerusalem, Israel. EM jp.cowin@pnl.gov; yigall@savion.huji.ac.il; martin.iedema@pnl.gov RI Lilach, Yigal/D-4816-2009 NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 72-COMP PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593906451 ER PT J AU Cowin, JP Yang, X Iedema, MJ AF Cowin, James P. Yang, Xin Iedema, Martin J. TI ENVR 112-Miniflow reactor for long-time aging of aerosols without wall effects SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Cowin, James P.; Iedema, Martin J.] Pacific NW Natl Lab, Environm Mol Sci Lab, Richland, WA 99352 USA. [Yang, Xin] Fudan Univ, Dept Environm Sci & Engn, Shanghai 200433, Peoples R China. EM jp.cowin@pnl.gov; yangxin@fudan.edu.cn; martin.iedema@pnl.gov NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 112-ENVR PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593902743 ER PT J AU Crapse, KP Cozzi, AD Crawford, CL Jurgensen, AR Zamecnik, JR Langton, CA Missimer, DM AF Crapse, Kimberly Powell Cozzi, Alex D. Crawford, Charles L. Jurgensen, Arthur R. Zamecnik, Jack R. Langton, C. A. Missimer, David M. TI Toxicity characteristic leaching procedure applied to radioactive saltstone containing tetraphenylborate: Development of a modified zero-headspace extractor SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Crapse, Kimberly Powell; Cozzi, Alex D.; Crawford, Charles L.; Jurgensen, Arthur R.; Zamecnik, Jack R.; Langton, C. A.; Missimer, David M.] Savannah River Natl Lab, Aiken, SC 29808 USA. EM kim.crapse@srnl.doe.gov; charles.crawford@srnl.doe.gov NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 161-NUCL PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593904627 ER PT J AU Crawford, CL Best, DR Jantzen, CM Missimer, DM Jurgensen, AR Johnson, LC AF Crawford, Charles L. Best, D. R. Jantzen, C. M. Missimer, D. M. Jurgensen, A. R. Johnson, L. C. TI INOR 199-Characterization and performance testing of Idaho lab simulated sodium bearing waste (SBW) products from fluidized bed steam reforming (FBSR) process SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Best, D. R.; Jantzen, C. M.; Missimer, D. M.; Jurgensen, A. R.; Johnson, L. C.] Washington Savannah River Co, Savannah River Natl Lab, Aiken, SC 29808 USA. EM charles.crawford@srnl.doe.gov NR 0 TC 0 Z9 0 U1 1 U2 1 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 199-INOR PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593909526 ER PT J AU Creighton, JR Wang, GT Coltrin, ME AF Creighton, J. Randall Wang, George T. Coltrin, Michael E. TI INOR 469-Fundamental chemistry and modeling of group-III nitride MOCVD SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Creighton, J. Randall; Wang, George T.; Coltrin, Michael E.] Sandia Natl Labs, Albuquerque, NM 87185 USA. EM jrcreig@sandia.gov NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 469-INOR PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593909142 ER PT J AU Creutz, C AF Creutz, Carol TI INOR 345-Mixed valency and the power of spectroscopy SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Creutz, Carol] Brookhaven Natl Lab, Dept Chem, Upton, NY 11973 USA. EM ccreutz@bnl.gov NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 345-INOR PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593908717 ER PT J AU Crosby, LD Windus, TL Kathman, SM AF Crosby, Lonnie D. Windus, Theresa L. Kathman, Shawn M. TI PHYS 223-Monte Carlo simulation of cluster nucleation using quantum mechanical potentials SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Crosby, Lonnie D.; Windus, Theresa L.] Iowa State Univ, Dept Chem, Ames, IA 50011 USA. [Kathman, Shawn M.] Pacific NW Natl Lab, Div Chem & Mat Sci, Richland, WA 99352 USA. EM lcrosby@iastate.edu; theresa@fi.ameslab.gov NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 223-PHYS PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593907365 ER PT J AU Culp, JT Natesakhawat, S Smith, MR Bittner, EW Matranga, C Bockrath, BC AF Culp, Jeffrey T. Natesakhawat, Sittichai Smith, Milton R. Bittner, Edward W. Matranga, Christopher Bockrath, Bradley C. TI FUEL 168-Effects of pore size on the adsorption of hydrogen in slit pores of constant width and varying height SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Culp, Jeffrey T.] Parsons Project Serv Inc, South Pk, PA 15129 USA. [Natesakhawat, Sittichai; Smith, Milton R.; Bittner, Edward W.; Matranga, Christopher; Bockrath, Bradley C.] US DOE, Natl Energy Technol Lab, Pittsburgh, PA 15236 USA. EM Jeffrey.Culp@PP.NETL.DOE.GOV; Sittichai.Natesakhawat@NETL.DOE.GOV; Milton.Smith@NETL.DOE.GOV; edward.bittner@netl.doe.gov; matranga@netl.doe.gov; Bradley.Bockrath@NETL.DOE.GOV RI Matranga, Christopher/E-4741-2015 OI Matranga, Christopher/0000-0001-7082-5938 NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 168-FUEL PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593903620 ER PT J AU Custelcean, R Sellin, V Hay, BP Moyer, BA AF Custelcean, Radu Sellin, Vincent Hay, Benjamin P. Moyer, Bruce A. TI INOR 455-Anion coordination and separation with metal-organic and hydrogen-bonded frameworks SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Custelcean, Radu; Sellin, Vincent; Hay, Benjamin P.; Moyer, Bruce A.] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA. EM custelceanr@ornl.gov; haybp@ornl.gov; moyerba@ornl.gov RI Moyer, Bruce/L-2744-2016 OI Moyer, Bruce/0000-0001-7484-6277 NR 2 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 455-INOR PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593908917 ER PT J AU Dadmun, MD Kamath, SY Arlen, MA Hamilton, WA AF Dadmun, Mark D. Kamath, Sudesh Y. Arlen, Michael A. Hamilton, William A. TI Importance of thermodynamic interactions in the dynamics of miscible polymer blends SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Dadmun, Mark D.; Kamath, Sudesh Y.; Arlen, Michael A.] Univ Tennessee, Dept Chem, Knoxville, TN 37996 USA. [Hamilton, William A.] Oak Ridge Natl Lab, HFIR Ctr Neutron Scattering, Oak Ridge, TN 37831 USA. EM dad@utk.edu; skamath@ion.chem.utk.edu; hw5@ornl.gov NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 501-PMSE PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593905635 ER PT J AU Dai, B Sholl, D Johnson, JK AF Dai, Bing Sholl, David Johnson, J. Karl TI FUEL 166-Computational study of surface reaction kinetics and poisoning of metal hydrides SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Dai, Bing] Univ Pittsburgh, Dept Chem & Petr Engn, Pittsburgh, PA 15261 USA. [Sholl, David] Carnegie Mellon Univ, Dept Chem Engn, Pittsburgh, PA 15213 USA. [Johnson, J. Karl] Univ Pittsburgh, Dept Chem Engn, Pittsburgh, PA 15261 USA. [Johnson, J. Karl] Natl Energy Technol Lab, Pittsburgh, PA 15261 USA. EM bdai@puccini.che.pitt.edu; sholl@andrew.cmu.edu; karlj@pitt.edu NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 166-FUEL PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593903590 ER PT J AU Dane, AJ Ratcliff, MA McCormick, RL Voorhees, KJ AF Dane, A. John Ratcliff, Matthew A. McCormick, Robert L. Voorhees, Kent J. TI ANYL 433-Monitoring the effect of biodiesel blend on the production of nitro-polycyclic aromatic hydrocarbons in diesel engine exhaust using electron monochromator-mass spectrometry SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Dane, A. John; Voorhees, Kent J.] Colorado Sch Mines, Dept Chem, Golden, CO 80401 USA. [Ratcliff, Matthew A.; McCormick, Robert L.] Natl Renewable Energy Lab, Ctr Transportat Technol & Syst, Golden, CO 80401 USA. EM adane@mines.edu; matthew_ratcliff@nrel.gov; robert_mccormick@nrel.gov; kvoorhee@mines.edu RI McCormick, Robert/B-7928-2011 NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 433-ANYL PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593901344 ER PT J AU Daub, CD Bratko, D Leung, K Luzar, A AF Daub, Christopher D. Bratko, Dusan Leung, Kevin Luzar, Alenka TI PHYS 562-Surface hydration by aqueous nanodroplets in electric field SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Daub, Christopher D.; Bratko, Dusan; Luzar, Alenka] Virginia Commonwealth Univ, Dept Chem, Richmond, VA 23284 USA. [Bratko, Dusan] Univ Calif Berkeley, Dept Chem Engn, Berkeley, CA 94720 USA. [Leung, Kevin] Sandia Natl Labs, Albuquerque, NM 87185 USA. EM dbratko@vcu.edu; kleung@sandia.gov; aluzar@vcu.edu RI Daub, Christopher/B-1460-2015 OI Daub, Christopher/0000-0002-4290-9058 NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 562-PHYS PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593907490 ER PT J AU Davies, DR Wallace, E Laible, PD Kors, C Nollert, P AF Davies, Douglas R. Wallace, Ellen Laible, Philip D. Kors, Christopher Nollert, Peter TI COLL 138-Small molecule surfactants as mediators of membrane protein crystallization SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Davies, Douglas R.; Wallace, Ellen; Nollert, Peter] deCODE Biostruct Inc, Crystallog, Bainbridge Isl, WA 98110 USA. [Laible, Philip D.; Kors, Christopher] Argonne Natl Lab, Biosci Div, Argonne, IL 60439 USA. [Kors, Christopher] Argonne Natl Lab, Div Sci Mat, Argonne, IL 60439 USA. EM ddavies@decode.com NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 138-COLL PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593902519 ER PT J AU Davis, BL Tumas, W Ott, KC Baker, RT Gordon, JC AF Davis, Benjamin L. Tumas, William Ott, Kevin C. Baker, R. Tom Gordon, John C. TI Progress in the regeneration of spent ammonia borane fuels SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Gordon, John C.] Los Alamos Natl Lab, Div Chem, Inorgan Isotope & Actinide Chem Grp, Los Alamos, NM 87545 USA. [Tumas, William] Los Alamos Natl Lab, Chem Sci & Technol Div, Los Alamos Catalysis Initiat, Los Alamos, NM 87545 USA. [Ott, Kevin C.] Los Alamos Natl Lab, MPA, MC, Los Alamos, NM 87545 USA. EM bldavis@lanl.gov; tumas@lanl.gov; kcott@lanl.gov; bakertom@lanl.gov; jgordon@lanl.gov NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 239-INOR PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593909587 ER PT J AU de Jong, WA Groenewold, GS Van Stipdonk, MJ AF de Jong, Wibe A. Groenewold, Gary S. Van Stipdonk, Michael J. TI NUCL 38 - Combining computational modeling and gas-phase experiments to gain insight in actinide chemistry SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [de Jong, Wibe A.] Pacific NW Natl Lab, WR Wiley Environm Mol Sci Lab, Richland, WA 99352 USA. [Groenewold, Gary S.] Idaho Natl Lab, Idaho Falls, ID 83415 USA. [Van Stipdonk, Michael J.] Wichita State Univ, Dept Chem, Wichita, KS 67260 USA. EM bert.dejong@pnl.gov; gary.groenewold@inl.gov; mike.vanstipdonk@wichita.edu NR 0 TC 0 Z9 0 U1 0 U2 2 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 38-NUCL PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593904675 ER PT J AU Del Sesto, RE Ott, KC McCleskey, TM McKigney, EA Cooke, DW Muenchausen, R Gilbertson, RD Bacrania, MK Ehler, DS Smith, JF Bennett, BL Jacobsohn, LG Burrell, AK Scott, B Macomber, CS AF Del Sesto, Rico E. Ott, Kevin C. McCleskey, T. Mark McKigney, Edward A. Cooke, D. Wayne Muenchausen, Ross Gilbertson, Robert D. Bacrania, Minesh K. Ehler, Deborah S. Smith, James F. Bennett, Bryan L. Jacobsohn, Luiz G. Burrell, Anthony K. Scott, Brian Macomber, Clay S. TI INOR 543-Nanophosphor composites for radiation detection SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Del Sesto, Rico E.; McCleskey, T. Mark; Ehler, Deborah S.; Burrell, Anthony K.; Scott, Brian; Macomber, Clay S.] Los Alamos Natl Lab, Div Mat Phys & Applicat, Los Alamos, NM 87545 USA. [Ott, Kevin C.] Los Alamos Natl Lab, MPA MC MAT CHEM, Los Alamos, NM 87545 USA. [McKigney, Edward A.; Bacrania, Minesh K.] Los Alamos Natl Lab, Safeguards Sci & Technol Grp N1, Los Alamos, NM 87545 USA. [Cooke, D. Wayne; Muenchausen, Ross; Smith, James F.; Bennett, Bryan L.; Jacobsohn, Luiz G.] Los Alamos Natl Lab, Struct Properties Grp, Los Alamos, NM 87545 USA. [Gilbertson, Robert D.] Los Alamos Natl Lab, Polymer & Coatings Grp, Los Alamos, NM 87545 USA. EM ricod@lanl.gov; kcott@lanl.gov; tmark@lanl.gov; rgilbert@lanl.gov; minesh@lanl.gov; debehler@lanl.gov; burrell@lanl.gov RI McCleskey, Thomas/J-4772-2012 NR 0 TC 0 Z9 0 U1 0 U2 1 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 543-INOR PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593909365 ER PT J AU Devanathan, R Venkatnathan, A Glezakou, VA Dupuis, M AF Devanathan, Ram Venkatnathan, Arun Glezakou, Vassiliki-Alexandra Dupuis, Michel TI PHYS 165-Nanostructure of Nafion membrane and dynamics of small molecules at low hydration SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Devanathan, Ram; Venkatnathan, Arun; Glezakou, Vassiliki-Alexandra] Pacific NW Natl Lab, Fundamental Sci Directorate, Richland, WA 99352 USA. [Dupuis, Michel] Pacific NW Natl Lab, Div Chem & Mat Sci, Richland, WA 99352 USA. EM ram.devanathan@pnl.gov; arun.venkatnathan@pnl.gov; Vanda.Glezakou@pnl.gov; michel.dupuis@pnl.gov NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 165-PHYS PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593907202 ER PT J AU Dewberry, RA Casella, VR Sigg, RA Salaymeh, SR Moore, FS Pak, D AF Dewberry, R. A. Casella, V. R. Sigg, R. A. Salaymeh, S. R. Moore, F. S. Pak, Don TI Holdup measurements for visual examination and transuranic waste remediation glovebox facilities at the Savannah River Site SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Dewberry, R. A.; Casella, V. R.; Sigg, R. A.; Salaymeh, S. R.; Moore, F. S.; Pak, Don] Savannah River Natl Lab, Aiken, SC 29808 USA. EM raymond.dewberry@srnl.doe.gov; vito.casella@srnl.doe.gov; raymond.sigg@srnl.doe.gov; don.pak@srnl.doe.gov NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 110-NUCL PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593904548 ER PT J AU Diaconu, CV Martin, RL Smith, DL Batista, ER Crone, BK Crooker, SA Campbell, IH AF Diaconu, Cristian V. Martin, Richard L. Smith, Darryl L. Batista, Enrique R. Crone, Brian K. Crooker, Scott A. Campbell, Ian H. TI PHYS 519-Hybrid density functional theory study of photoluminescence spectra of platinum II porphine and platinum II octaethylporphine SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Diaconu, Cristian V.; Martin, Richard L.; Smith, Darryl L.; Batista, Enrique R.] Los Alamos Natl Lab, Div Theoret, Grp T 12, Los Alamos, NM 87545 USA. [Crone, Brian K.; Campbell, Ian H.] Los Alamos Natl Lab, Mat Phys & Applicat Div, Grp MPA 11, Los Alamos, NM 87545 USA. [Crooker, Scott A.] Los Alamos Natl Lab, Natl High Magnet Field Lab, Los Alamos, NM 87545 USA. EM cvdiaconu@lanl.gov; rlmartin@lanl.gov; dsmith@lanl.gov; erb@lanl.gov NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 519-PHYS PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593907496 ER PT J AU DiPrete, DP DiPrete, CC Kaplan, DI Kyser, EA Malek, MA AF DiPrete, D. P. DiPrete, C. C. Kaplan, Daniel I. Kyser, E. A. Malek, Mira A. TI Rapid measurements of Neptunium oxidation states using chromatographic resins SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [DiPrete, D. P.; DiPrete, C. C.; Kyser, E. A.; Malek, Mira A.] Washington Savannah River Co, Savannah River Natl Lab, Aiken, SC 29808 USA. [Kaplan, Daniel I.] Westinghouse Savannah River Co, Savannah River Natl Lab, Aiken, SC 29808 USA. EM david.diprete@srnl.doe.gov; daniel.kaplan@srs.gov NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 87-NUCL PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593904653 ER PT J AU Disselkamp, RS Yang, Y La Barbier, V Cameron, LG Jensen, IM Campbell, CT Peden, CHF AF Disselkamp, R. S. Yang, Yong La Barbier, V. Cameron, L. G. Jensen, I. M. Campbell, C. T. Peden, C. H. F. TI FUEL 190-Understanding the mechanism in methanol steam reforming for Cu and PdZn supported catalysts using the transient kinetic analysis (TKA) approach SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Disselkamp, R. S.; Yang, Yong; La Barbier, V.; Peden, C. H. F.] Pacific NW Natl Lab, Inst Interfacial Catalysis, Richland, WA 99352 USA. [Cameron, L. G.; Jensen, I. M.; Campbell, C. T.] Univ Washington, Dept Chem, Seattle, WA 98195 USA. EM robert.disselkamp@pnl.gov; yong.yang@pnl.gov; vanessa.labarbier@pnl.gov; lcameron@u.washington.edu; mygind@u.washington.edu; campbell@chem.washington.edu; chuck.peden@pnl.gov NR 0 TC 0 Z9 0 U1 1 U2 2 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 190-FUEL PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593903690 ER PT J AU Doktycz, MJ Hildebrand, M Retterer, ST Allison, DP AF Doktycz, Mitchel J. Hildebrand, Mark Retterer, S. T. Allison, David P. TI POLY 264-Understanding silica nanostructure formation using natural structures and bio-inspired techniques SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Doktycz, Mitchel J.] Oak Ridge Natl Lab, Div Life Sci, Oak Ridge, TN 37831 USA. [Hildebrand, Mark] Univ Calif San Diego, Scripps Inst Oceanog, La Jolla, CA 92093 USA. [Retterer, S. T.] Oak Ridge Natl Lab, Biosci Div, Oak Ridge, TN 37831 USA. [Retterer, S. T.] Oak Ridge Natl Lab, Ctr Nanophase Mat Sci, Oak Ridge, TN 37831 USA. [Allison, David P.] Univ Tennessee, Knoxville, TN 37996 USA. EM doktyczmj@ornl.gov; mhildebrand@ucsd.edu; rettererst@ornl.gov RI Retterer, Scott/A-5256-2011 OI Retterer, Scott/0000-0001-8534-1979 NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 264-POLY PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593908669 ER PT J AU Dominguez, F AF Dominguez, Filberto TI Green Is Clean (GIC) SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Dominguez, Filberto] Los Alamos Natl Lab, SSS, Los Alamos, NM 87545 USA. EM dominguez_filiberto_d@lanl.gov NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 6-TECH PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593905073 ER PT J AU Dragojevic, I Gregorich, KE Dullmann, CE Folden, CM Garcia, MA Gates, JM Nelson, SL Sudowe, R Nitsche, H AF Dragojevic, Irena Gregorich, Kenneth E. Duellmann, Christoph E. Folden, Charles M., III Garcia, Mitch A. Gates, Jacklyn M. Nelson, Sarah L. Sudowe, Ralf Nitsche, H. TI Systematic heavy element formation studies with 208Pb and 209Bi targets SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Dragojevic, Irena; Garcia, Mitch A.; Gates, Jacklyn M.; Nelson, Sarah L.; Nitsche, H.] Univ Calif Berkeley, Lawrence Berkeley Lab, Coll Chem, Div Nucl Sci, Berkeley, CA 94720 USA. [Dragojevic, Irena; Garcia, Mitch A.; Gates, Jacklyn M.; Nelson, Sarah L.; Nitsche, H.] Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA. [Duellmann, Christoph E.] Gesell Schwerionenforsch mbH, Kernphys 2, Darmstadt, Germany. [Folden, Charles M., III] Michigan State Univ, Natl Superconducting Cyclotron Lab, E Lansing, MI 48824 USA. [Sudowe, Ralf] Univ Las Vegas, Dept Hlth Phys, Nevada, NV 89145 USA. EM IDragojevic@lbl.gov; KEGregorich@lbl.gov; MAGarcia@lbl.gov; Ralf.Sudowe@unlv.edu NR 0 TC 0 Z9 0 U1 1 U2 1 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 105-NUCL PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593904646 ER PT J AU Dragojevic, I Gregorich, KE Dullmann, CE Folden, CM Garcia, MA Gates, JM Nelson, SL Sudowe, R Nitsche, H AF Dragojevic, Irena Gregorich, Kenneth E. Duellmann, Christoph E. Folden, Charles M., III Garcia, Mitch A. Gates, Jacklyn M. Nelson, Sarah L. Sudowe, Ralf Nitsche, Heino TI Strong dependence of reaction cross sections on projectile neutron number: 208Pb(48Ti,xn)256-xRf vs. 208Pb(50Ti,xn)258-xRf SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Dragojevic, Irena; Garcia, Mitch A.; Gates, Jacklyn M.; Nelson, Sarah L.; Nitsche, Heino] Univ Calif Berkeley, Lawrence Berkeley Lab, Coll Chem, Div Nucl Sci, Berkeley, CA 94720 USA. [Dragojevic, Irena; Garcia, Mitch A.; Gates, Jacklyn M.; Nelson, Sarah L.; Nitsche, Heino] Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA. [Duellmann, Christoph E.] Gesell Schwerionenforsch mbH, Kernphys 2, Darmstadt, Germany. [Folden, Charles M., III] Michigan State Univ, Natl Superconducting Cyclotron Lab, E Lansing, MI 48824 USA. [Sudowe, Ralf] Univ Las Vegas, Dept Hlth Phys, Nevada, NV 89145 USA. EM IDragojevic@lbl.gov; KEGregorich@lbl.gov; MAGarcia@lbl.gov; Ralf.Sudowe@unlv.edu NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 28-NUCL PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593904648 ER PT J AU Ekechukwu, AA Ray, R Young, JE Langford, W AF Ekechukwu, Amy A. Ray, Robert Young, John E. Langford, Willie TI Determination of carbonate in high level radioactive waste: Method evaluation and comparison SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Ekechukwu, Amy A.] Westinghouse Savannah River Co, Savannah River Natl Lab, Aiken, SC 29808 USA. [Ray, Robert; Young, John E.] Savannah River Natl Lab, Aiken, SC 29808 USA. [Langford, Willie] WSRC, Savannah River Co, Analyt Labs, Aiken, SC 29808 USA. EM amy.ekechukwu@srnl.doe.gov; robert02.ray@srnl.doe.gov; john02.young@srnl.doe.gov; willie.langford@srs.gov NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 154-NUCL PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593904632 ER PT J AU Elam, JW Martinson, ABF Pellin, MJ Hupp, JT AF Elam, Jeffrey W. Martinson, Alex B. F. Pellin, M. J. Hupp, Joseph T. TI INOR 528-Transparent conducting oxides at high aspect ratios SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Elam, Jeffrey W.; Pellin, M. J.] Argonne Natl Lab, Div Energy Syst, Argonne, IL 60439 USA. [Martinson, Alex B. F.; Hupp, Joseph T.] Northwestern Univ, Dept Chem, Evanston, IL 60208 USA. [Martinson, Alex B. F.; Hupp, Joseph T.] Northwestern Univ, Mat Res Ctr, Evanston, IL 60208 USA. EM jelam@anl.gov; a-martinson2@northwestern.edu; j-hupp@northwestern.edu RI Pellin, Michael/B-5897-2008; Hupp, Joseph/K-8844-2012 OI Pellin, Michael/0000-0002-8149-9768; Hupp, Joseph/0000-0003-3982-9812 NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 528-INOR PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593909725 ER PT J AU Elles, CG Crowell, RA Shkrob, IA Arms, DA Landahl, EC AF Elles, Christopher G. Crowell, Robert A. Shkrob, Ilya A. Arms, Dohn A. Landahl, Eric C. TI PHYS 565-Transient X-ray absorption spectroscopy of the aqueous Br atom and Br2-anion: Solvation and reactivity SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Elles, Christopher G.; Crowell, Robert A.; Shkrob, Ilya A.] Argonne Natl Lab, Div Chem, Argonne, IL 60439 USA. [Arms, Dohn A.; Landahl, Eric C.] Argonne Natl Lab, Xray Sci Div, Argonne, IL 60439 USA. EM elles@anl.gov; rob_crowell@anl.gov NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 565-PHYS PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593907601 ER PT J AU Elles, CG Crowell, RA Rivera, CA Jungwirth, P Bradforth, SE AF Elles, Christopher G. Crowell, Robert A. Rivera, Christopher A. Jungwirth, Pavel Bradforth, Stephen E. TI PHYS 275-Effects of hydration on the dissociation and ionization chemistry of liquid H2O SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Elles, Christopher G.; Crowell, Robert A.] Argonne Natl Lab, Div Chem, Argonne, IL 60439 USA. [Rivera, Christopher A.; Bradforth, Stephen E.] Univ So Calif, Dept Chem, Los Angeles, CA 90089 USA. [Jungwirth, Pavel] Acad Sci Czech Republic, Inst Organ Chem & Biochem, CR-16610 Prague, Czech Republic. EM elles@anl.gov; rob_crowell@anl.gov; riverac@usc.edu; pavel.jungwirth@uochb.cas.cz; stephen.bradforth@usc.edu RI Bradforth, Stephen/B-5186-2008; Jungwirth, Pavel/D-9290-2011 OI Bradforth, Stephen/0000-0002-6164-3347; Jungwirth, Pavel/0000-0002-6892-3288 NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 275-PHYS PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593907256 ER PT J AU Elles, CG Crowell, RA Shkrob, IA Bradforth, SE AF Elles, Christopher G. Crowell, Robert A. Shkrob, Ilya A. Bradforth, Stephen E. TI AEI 113-Ionization mechanisms and pathways in liquid water SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Elles, Christopher G.; Crowell, Robert A.; Shkrob, Ilya A.] Argonne Natl Lab, Div Chem, Argonne, IL 60439 USA. [Bradforth, Stephen E.] Univ S Carolina, Dept Chem, Los Angeles, CA USA. EM elles@anl.gov; robcrowell@anl.gov; stephen.bradforth@usc.edu2 RI Bradforth, Stephen/B-5186-2008 OI Bradforth, Stephen/0000-0002-6164-3347 NR 0 TC 0 Z9 0 U1 0 U2 2 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 113-AEI PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593900080 ER PT J AU Evans, RJ Marda, JR Czernik, S Dean, AM French, RJ Ratcliff, MA AF Evans, Robert J. Marda, Jonathan R. Czernik, Stefan Dean, Anthony M. French, Richard J. Ratcliff, Matthew A. TI Distributed reforming of bio-oil for hydrogen production SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Evans, Robert J.] Natl Renewable Energy Lab, Hydrogen Technol & Syst Grp, Golden, CO 80401 USA. [Marda, Jonathan R.; Dean, Anthony M.] Colorado Sch Mines, Dept Chem Engn, Golden, CO 80401 USA. [French, Richard J.] Natl Renewable Energy Lab, Natl Bioenergy Ctr, Golden, CO 80401 USA. [Ratcliff, Matthew A.] Natl Renewable Energy Lab, Ctr Transportat Technol & Syst, Golden, CO 80401 USA. EM bob_evans@nrel.gov; jmarda@mines.edu; amdean@mines.edu; richard_french@nrel.gov; matthew_ratcliff@nrel.gov NR 0 TC 0 Z9 0 U1 0 U2 1 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 2-FUEL PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593903740 ER PT J AU Faulon, JL AF Faulon, Jean-Loup TI Genome scale enzyme-metabolite and drug-target interaction predictions using support vector machines SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Faulon, Jean-Loup] Sandia Natl Labs, Computat Biosci Dept, Albuquerque, NM 87185 USA. EM jfaulon@sandia.gov NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 58-CINF PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593901673 ER PT J AU Feibelman, PJ AF Feibelman, Peter J. TI COLL 78-Pinning of graphene to Ir(111) by flat Ir dots SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Feibelman, Peter J.] Sandia Natl Labs, Albuquerque, NM 87185 USA. EM pjfeibe@sandia.gov NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 78-COLL PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593902528 ER PT J AU Feng, H Elam, JW Libera, JA Wang, HH Kung, H Kung, MC Stair, PC AF Feng, H. Elam, J. W. Libera, J. A. Wang, H. H. Kung, H. Kung, M. C. Stair, Peter C. TI CATL 5-Nanostructured membrane catalysis in the ODH of cyclohexane SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Feng, H.; Stair, Peter C.] Northwestern Univ, Dept Chem, Ctr Catalysis & Surface Sci, Evanston, IL 60208 USA. [Elam, J. W.; Libera, J. A.; Wang, H. H.] Argonne Natl Lab, Div Mat Sci, Argonne, IL 60439 USA. [Kung, H.; Kung, M. C.] Northwestern Univ, Dept Chem Engn, Evanston, IL 60208 USA. EM pstair@northwestern.edu; Hkung@nwu.edu; pstair@northwestern.edu NR 0 TC 0 Z9 0 U1 1 U2 1 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 5-CATL PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593900839 ER PT J AU Ferguson, AJ Kopidakis, N McDonald, TJ Piris, J Shaheen, SE Heben, MJ Rumbles, G AF Ferguson, Andrew J. Kopidakis, Nikos McDonald, Timothy J. Piris, Jorge Shaheen, Sean E. Heben, Michael J. Rumbles, Garry TI FUEL 268-Time-resolved microwave photoconductivity study of P3HT: Fullerene bulk heterojunctions for organic photovoltaic devices SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Ferguson, Andrew J.; Kopidakis, Nikos; McDonald, Timothy J.; Piris, Jorge; Heben, Michael J.; Rumbles, Garry] Natl Renewable Energy Lab, Ctr Basic Sci, Golden, CO 80401 USA. [Shaheen, Sean E.] Natl Renewable Energy Lab, Natl Ctr Photovolta, Golden, CO 80401 USA. EM andrew_ferguson@nrel.gov; sshaheen@nrel.gov; michael_heben@nrel.gov; garry_rumbles@nrel.gov RI Shaheen, Sean/M-7893-2013; Kopidakis, Nikos/N-4777-2015 NR 0 TC 0 Z9 0 U1 0 U2 2 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 268-FUEL PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593903503 ER PT J AU Fernandez, A Ruscic, B AF Fernandez, Abel Ruscic, Branko TI The foundation of the approach of Active Thermochemical Tables: The analysis and manipulation of the Thermochemical Network Graph SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Fernandez, Abel; Ruscic, Branko] Argonne Natl Lab, Div Chem, Argonne, IL 60439 USA. EM ruscic@anl.gov RI Ruscic, Branko/A-8716-2008 OI Ruscic, Branko/0000-0002-4372-6990 NR 0 TC 0 Z9 0 U1 0 U2 3 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 324-COMP PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593906383 ER PT J AU Filley, TR Jastrow, J O'Brien, S Boutton, T AF Filley, Timothy R. Jastrow, Julie O'Brien, Sarah Boutton, Thomas TI GEOC 75-Dynamics of lignin and plant aliphatic biopolymers in soil organic matter under elevated atmospheric CO2 in the sweetgum Free Air CO2 Enrichment (FACE) experiment SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Filley, Timothy R.] Purdue Univ, Dept Earth & Atmospher Sci, W Lafayette, IN 47907 USA. [Jastrow, Julie] Argonne Natl Lab, Biosci Div, Argonne, IL 60439 USA. [O'Brien, Sarah] Univ Illinois, Dept Biol Sci, Chicago, IL 60607 USA. [Boutton, Thomas] Texas A&M Univ, Dept Rangeland Ecol & Management, College Stn, TX 77843 USA. EM filley@purdue.edu; jdjastrow@anl.gov; boutton@neo.tamu.edu RI O'Brien, Sarah/C-5596-2011; Boutton, Thomas/C-5821-2016 OI Boutton, Thomas/0000-0002-7522-5728 NR 0 TC 0 Z9 0 U1 0 U2 2 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 75-GEOC PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593902844 ER PT J AU Firestone, RB Revay, Z Belgya, T West, A AF Firestone, Richard B. Revay, Zsolt Belgya, Tamas West, Allen TI Neutrons, nuclear structure, and the death of the Mammoth SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Firestone, Richard B.] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Nucl Sci, Berkeley, CA 94720 USA. [Revay, Zsolt; Belgya, Tamas] Inst Isotope & Surface Chem, Budapest Reactor Ctr, H-1525 Budapest, Hungary. [West, Allen] Geosci Consulting, Scottsdale, AZ 85259 USA. EM rbf@lbl.gov NR 0 TC 0 Z9 0 U1 0 U2 1 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 136-NUCL PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593904613 ER PT J AU Fox, DT Lu, XY Miller, E Cai, H AF Fox, David T. Lu, Xiaoyun Miller, Erica Cai, Hong TI BIOL 118-Capture, extraction, amplification and detection of influenza A: Toward the integration of discrete biological steps on a single platform SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Fox, David T.; Lu, Xiaoyun; Miller, Erica; Cai, Hong] Los Alamos Natl Lab, Biosci Div, Los Alamos, NM 87545 USA. EM cai_hong@lanl.gov; xiaoyun@lanl.gov NR 0 TC 0 Z9 0 U1 0 U2 1 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 118-BIOL PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593900609 ER PT J AU Francesconi, LC Howell, RC Burton-Pye, BP Mbomekalle, IM Jing, J McGregor, D Antonio, MR Lukens, WW Poblet, JM AF Francesconi, Lynn C. Howell, Robertha C. Burton-Pye, Benjamin P. Mbomekalle, Israel M. Jing, Jing McGregor, Donna Antonio, M. R. Lukens, Wayne W., Jr. Poblet, Josep M. TI INOR 6-Lanthanide and technetium-99 substituted polyoxometalates: Speciation studies and applications SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Francesconi, Lynn C.; Howell, Robertha C.; Burton-Pye, Benjamin P.; Mbomekalle, Israel M.; Jing, Jing; McGregor, Donna] CUNY Hunter Coll, Dept Chem, New York, NY 10021 USA. [Francesconi, Lynn C.; Howell, Robertha C.; Burton-Pye, Benjamin P.; Mbomekalle, Israel M.; Jing, Jing; McGregor, Donna] CUNY, Grad Ctr, New York, NY 10021 USA. [Antonio, M. R.] Argonne Natl Lab, Div Chem, Argonne, IL 60439 USA. [Lukens, Wayne W., Jr.] Lawrence Berkeley Natl Lab, Div Chem Sci, Actinide Chem Grp, Berkeley, CA 94720 USA. [Poblet, Josep M.] Univ Rovira & Virgili, Tarragona 43007, Spain. EM lfrances@hunter.cuny.edu; rhowell@hunter.cuny.edu; jjing@hunter.cuny.edu; donnamcgr@msn.com; mantonio@anl.gov; wwlukens@lbl.gov; josepmaria.poblet@urv.cat RI Poblet, Josep M./A-2739-2008 OI Poblet, Josep M./0000-0002-4533-0623 NR 0 TC 0 Z9 0 U1 0 U2 1 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 6-INOR PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593909176 ER PT J AU Francesconi, LC Mbomekalle, IM Howell, RC Lukens, WW Poblet, JM AF Francesconi, Lynn C. Mbomekalle, Israel-M. Howell, Robertha C. Lukens, Wayne W., Jr. Poblet, Josep M. TI Speciation of Technetium-99 incorporated into metal oxide matrices SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Francesconi, Lynn C.; Mbomekalle, Israel-M.; Howell, Robertha C.] CUNY Hunter Coll, Dept Chem, New York, NY 10021 USA. [Francesconi, Lynn C.; Mbomekalle, Israel-M.; Howell, Robertha C.] CUNY, Grad Ctr, New York, NY 10021 USA. [Lukens, Wayne W., Jr.] Univ Calif Berkeley, Lawrence Berkeley Lab, Actinide Chem Grp, Div Chem Sci, Berkeley, CA 94720 USA. [Poblet, Josep M.] Univ Rovira & Virgili, Dept Quim Fis & Inorgan, Tarragona 43007, Spain. EM lfrances@hunter.cuny.edu; rhowell@hunter.cuny.edu; wwlukens@lbl.gov; josepmaria.poblet@urv.cat RI Poblet, Josep M./A-2739-2008 OI Poblet, Josep M./0000-0002-4533-0623 NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 156-NUCL PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593904585 ER PT J AU Franz, JA Dupuis, M Lee, SJ Appel, AM DuBois, DL AF Franz, James A. Dupuis, Michel Lee, Suh-Jane Appel, Aaron M. DuBois, Daniel L. TI INOR 968-DFT computational study of S-H bond strengths of M(mu-SH)M ,M=Mo, Fe clusters SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Franz, James A.; Lee, Suh-Jane; Appel, Aaron M.] Pacific NW Natl Lab, Fundamental Sci Div, Richland, WA 99352 USA. [Dupuis, Michel; DuBois, Daniel L.] Pacific NW Natl Lab, Div Chem & Mat Sci, Richland, WA 99352 USA. EM james.franz@pnl.gov; michel.dupuis@pnl.gov; suh-jane.lee@pnl.gov; aaron.appel@pnl.gov; daniel.dubois@pnl.gov NR 0 TC 0 Z9 0 U1 0 U2 1 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 968-INOR PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593909642 ER PT J AU Futrell, JH AF Futrell, Jean H. TI ANYL 323-From reaction dynamics to peptide sequencing: Forty years of tandem mass spectrometry SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Futrell, Jean H.] Pacific NW Natl Lab, WR Wiley Environm Mol Sci Lab EMSL, Richland, WA 99352 USA. EM Jean.Futrell@pnl.gov NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA ANYL-323 PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593901413 ER PT J AU Gardner, TH Shekhawat, D Berry, D Campos, A Roy, AD Smith, M Haynes, D Kugler, EL Spivey, JJ AF Gardner, Todd H. Shekhawat, Dushyant Berry, David Campos, Andrew Roy, Amitava D. Smith, Mark Haynes, Daniel Kugler, Edwin L. Spivey, James J. TI FUEL 25-Catalytic partial oxidation of hydrocarbon fuels: Structural characterization of Ni-substituted hexaaluminate catalysts SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Gardner, Todd H.] US DOE, Natl Energy Technol Lab, Separat & Fuels Proc Div, Morgantown, WV 26505 USA. [Shekhawat, Dushyant; Berry, David] US DOE, Natl Energy Technol Lab, Morgantown, WV 26507 USA. [Campos, Andrew; Haynes, Daniel; Spivey, James J.] Louisiana State Univ, Dept Chem Engn, Baton Rouge, LA 70803 USA. [Roy, Amitava D.] Louisiana State Univ, Ctr Adv Microstruct & Devices, Baton Rouge, LA 70806 USA. [Smith, Mark] REM Engn Serv, Morgantown, WV 26505 USA. [Kugler, Edwin L.] W Virginia Univ, Dept Chem Engn, Morgantown, WV 26506 USA. EM todd.gardner@netl.doe.gov; Dushyant.Shekhawat@netl.doe.gov; dberry@netl.doe.gov; acampo2@lsu.edu; mark.smith@re.netl.doe.gov; dhayne5@lsu.edu; edwin.kugler@mail.wvu.edu; jjspivey@lsu.edu NR 0 TC 0 Z9 0 U1 0 U2 1 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 25-FUEL PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593903501 ER PT J AU Garland, R Schlasner, SM AF Garland, Roxanne Schlasner, Steven M. TI FUEL 1-Hydrogen production: Pathways and status SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Garland, Roxanne] US DOE, Hydrogen Fuel Cells & Infrastruct Technol Program, Washington, DC 20585 USA. [Schlasner, Steven M.] Conoco Phillips, Bartlesville, OK 74004 USA. EM roxanne.garland@ee.doe.gov; steven.m.schlasner@conocophillips.com NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 1-FUEL PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593903605 ER PT J AU Gascon, JA Leung, SSF Batista, ER Batista, VS AF Gascon, Jose A. Leung, Siegfried S. F. Batista, Enrique R. Batista, Victor S. TI PHYS 181-The Mod-QM/MM methodology SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Gascon, Jose A.; Leung, Siegfried S. F.; Batista, Victor S.] Yale Univ, Dept Chem, New Haven, CT 06520 USA. [Batista, Enrique R.] Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA. EM jose.gascon@yale.edu; siegfried.leung@yale.edu; erb@lanl.gov; victor.batista@yale.edu RI Gascon, Jose /N-5702-2016 OI Gascon, Jose /0000-0002-4176-9030 NR 0 TC 0 Z9 0 U1 0 U2 1 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 181-PHYS PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593907073 ER PT J AU Gatley, SJ Faleiro, L Gifford, AN AF Gatley, Samuel J. Faleiro, Lavina Gifford, Andrew N. TI Ethanol isotopomers as candidate PET tracers SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Gatley, Samuel J.] Northeastern Univ, Boston, MA 02115 USA. [Faleiro, Lavina; Gifford, Andrew N.] Brookhaven Natl Lab, Dept Med, Upton, NY 11973 USA. EM s.gatley@neu.edu; gifforda@bnl.gov NR 0 TC 0 Z9 0 U1 0 U2 3 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 4-NUCL PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593904610 ER PT J AU Germain, J Frechet, JMJ Svec, F AF Germain, Jonathan Frechet, Jean M. J. Svec, Frantisek TI Nanoporous polymers for hydrogen storage SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Germain, Jonathan] Univ Calif Berkeley, Coll Chem, Berkeley, CA 94720 USA. [Frechet, Jean M. J.] Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA. [Svec, Frantisek] Univ Calif Berkeley, Lawrence Berkeley Lab, Mol Foundry, Berkeley, CA 94720 USA. EM fsvec@lbl.gov NR 0 TC 0 Z9 0 U1 0 U2 3 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 164-PMSE PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593905480 ER PT J AU Ghosal, S Leighton, T Wheeler, K Hutcheon, ID Weber, PK AF Ghosal, Sutapa Leighton, Terrance Wheeler, Katie Hutcheon, Ian D. Weber, Peter K. TI COLL 34-Analysis of bacterial spore permeability to water and ions using Nano-Secondary Ion Mass Spectrometry (NanoSIMS) SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Ghosal, Sutapa; Hutcheon, Ian D.; Weber, Peter K.] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA. [Leighton, Terrance; Wheeler, Katie] Childrens Hosp Oakland, Res Inst, Oakland, CA USA. EM ghosal2@llnl.gov NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 34-COLL PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593902377 ER PT J AU Ginovska, B Camaioni, DM Dupuis, M AF Ginovska, Bojana Camaioni, Donald M. Dupuis, Michel TI PHYS 529-Reaction pathways and excited states in H2O2+OH -> HO2+H2O: A new ab initio investigation SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Ginovska, Bojana] Washington State Univ Tri Cities, Sch Elect Engn & Comp Sci, Richland 99354, WA USA. [Camaioni, Donald M.; Dupuis, Michel] Pacific NW Natl Lab, Div Chem & Mat Sci, Richland, WA 99352 USA. EM bginovska@tricity.wsu.edu; donald.camaioni@pnl.gov; michel.dupuis@pnl.gov NR 0 TC 0 Z9 0 U1 0 U2 1 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 529-PHYS PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593907220 ER PT J AU Goff, GS Brodnax, LF Cisneros, MR Taw, FL Williamson, KS Runde, WH AF Goff, George S. Brodnax, Lia F. Cisneros, Michael R. Taw, Felicia L. Williamson, Kevin S. Runde, Wolfgang H. TI INOR 540-Effect of H2O2 on the chemistry of f-element compounds in the plus III and IV oxidation states in near-neutral and alkaline solutions SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Goff, George S.; Brodnax, Lia F.; Cisneros, Michael R.; Taw, Felicia L.; Williamson, Kevin S.; Runde, Wolfgang H.] Los Alamos Natl Lab, Div Chem, Los Alamos, NM 87545 USA. EM georgeg@lanl.gov; lbrodnax@lanl.gov; mcisneros@lanl.gov; ftaw@lanl.gov NR 0 TC 0 Z9 0 U1 1 U2 3 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 540-INOR PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593909633 ER PT J AU Goff, GS Brodnax, LF Cisneros, MR Taw, FL Scott, B Runde, W AF Goff, George S. Brodnax, Lia F. Cisneros, Michael R. Taw, Felicia L. Scott, Brian Runde, Wolfgang TI INOR 191-Synthesis and characterization of novel f-element complexes in near-neutral and alkaline solutions SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Goff, George S.; Cisneros, Michael R.; Taw, Felicia L.; Runde, Wolfgang] Los Alamos Natl Lab, Div Chem, Los Alamos, NM 87545 USA. [Scott, Brian] Los Alamos Natl Lab, Div Mat Phys & Applicat, Los Alamos, NM 87545 USA. EM georgeg@lanl.gov; lbrodnax@lanl.gov; mcisneros@lanl.gov; ftaw@lanl.gov NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 191-INOR PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593909637 ER PT J AU Goff, GS Brodnax, LF Cisneros, MR Taw, FL Williamson, KS Runde, W AF Goff, George S. Brodnax, Lia F. Cisneros, Michael R. Taw, Felicia L. Williamson, Kevin S. Runde, Wolfgang TI INOR 187-Synergistic chemistry of U(VI), transition metal, and lanthanide(III) complexes in alkaline carbonate-peroxide solutions SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Goff, George S.; Brodnax, Lia F.; Cisneros, Michael R.; Taw, Felicia L.; Williamson, Kevin S.; Runde, Wolfgang] Los Alamos Natl Lab, Div Chem, Los Alamos, NM 87545 USA. EM georgeg@lanl.gov; lbrodnax@lanl.gov; mcisneros@lanl.gov; ftaw@lanl.gov NR 0 TC 0 Z9 0 U1 0 U2 2 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 187-INOR PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593909640 ER PT J AU Gordon, JC Baker, RT Burrell, AK Davis, BL Diyabalanage, HV Hamilton, CW Inbody, M Jonietz, KK Ott, KC Pons, V Semelsberger, TA Shrestha, R Stephens, FH Thorn, DL Tumas, W AF Gordon, John C. Baker, R. Tom Burrell, Anthony K. Davis, Benjamin L. Diyabalanage, Himashinie V. Hamilton, Charles W. Inbody, Michael Jonietz, Karl K. Ott, Kevin C. Pons, Vincent Semelsberger, Troy A. Shrestha, Roshan Stephens, Frances H. Thorn, David L. Tumas, William TI FUEL 104-Chemical hydrogen storage at Los Alamos SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Gordon, John C.; Baker, R. Tom] Los Alamos Natl Lab, Div Chem, Inorgan Isotope & Actinide Chem Grp, Los Alamos, NM 87545 USA. [Burrell, Anthony K.; Semelsberger, Troy A.] Los Alamos Natl Lab, Div Mat Phys & Applicat, Los Alamos, NM 87544 USA. [Diyabalanage, Himashinie V.; Shrestha, Roshan] Los Alamos Natl Lab, Div Mat Phys & Applicat, Los Alamos, NM 87545 USA. [Ott, Kevin C.] Los Alamos Natl Lab, MPA MC Mat Chem, Los Alamos, NM 87545 USA. EM jgordon@lanl.gov; bakertom@lanl.gov; burrell@lanl.gov; bldavis@lanl.gov; chamilton@lanl.gov; inbody@lanl.gov; kjonietz@lanl.gov; kcott@lanl.gov; vpons@lanl.gov; troy@lanl.gov; rshrestha@lanl.gov; fhs@lanl.gov; dthorn@lanl.gov; tumas@lanl.gov NR 0 TC 0 Z9 0 U1 0 U2 1 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 104-FUEL PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593903646 ER PT J AU Gordon, MS Slipchenko, L Lamm, MH Pranami, G AF Gordon, Mark S. Slipchenko, Lyuda Lamm, Monica H. Pranami, Gaurav TI From quantum chemistry to model potentials: Coarse graining in polymer chemistry SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Gordon, Mark S.; Slipchenko, Lyuda] US DOE, Ames Lab, Ames, IA 50011 USA. [Gordon, Mark S.; Slipchenko, Lyuda] Iowa State Univ, Dept Chem, Ames, IA 50011 USA. [Lamm, Monica H.; Pranami, Gaurav] Iowa State Univ, Dept Chem & Biol Engn, Ames, IA 50011 USA. EM mark@si.fi.ameslab.gov; lyuda@si.fi.ameslab.gov; mhlamm@iastate.edu; gaurav_pranami@yahoo.com RI Slipchenko, Lyudmila/G-5182-2012 NR 0 TC 0 Z9 0 U1 2 U2 3 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 49-PHYS PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593907025 ER PT J AU Gordon, MS AF Gordon, Mark S. TI COMP 194-A general approach to intermolecular interactions SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Gordon, Mark S.] Iowa State Univ, Dept Chem, Scalable Comp Lab, Ames, IA 50011 USA. [Gordon, Mark S.] Iowa State Univ, Ames Lab, Ames, IA 50011 USA. EM mark@si.fi.ameslab.gov NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 194-COMP PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593906472 ER PT J AU Graetz, J Reilly, JJ Wegrzyn, JE AF Graetz, Jason Reilly, James J. Wegrzyn, James E. TI FUEL 105-Direct hydrogenation of aluminum at low pressure SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Graetz, Jason; Reilly, James J.; Wegrzyn, James E.] Brookhaven Natl Lab, Dept Energy Sci & Technol, Upton, NY 11973 USA. EM graetz@bnl.gov; jimtheweg@bnl.gov NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 105-FUEL PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593903514 ER PT J AU Graves, CR Morris, DE Scott, BL Thompson, JD Kiplinger, JL AF Graves, Christopher R. Morris, David E. Scott, Brian L. Thompson, J. D. Kiplinger, Jaqueline L. TI INOR 976-New developments in 5f-element chemistry: Uranium (V) organometallics SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Graves, Christopher R.; Morris, David E.; Scott, Brian L.; Thompson, J. D.; Kiplinger, Jaqueline L.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA. NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 976-INOR PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593908840 ER PT J AU Greeley, JP AF Greeley, Jeffrey P. TI COLL 407-Nanoscale investigations of electrocatalysts from first principles SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Greeley, Jeffrey P.] Argonne Natl Lab, Ctr Nanoscale Mat, Argonne, IL 60439 USA. EM jgreeley@anl.gov NR 0 TC 0 Z9 0 U1 0 U2 1 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 407-COLL PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593902533 ER PT J AU Gregorich, KE Dullmann, CE Folden, CM Sudowe, R Stavsetra, L Nelson, SL Dragojevic, I Garcia, MA Gates, JM Chung, YH Eichler, R Pang, GK Turler, A Yakushev, A Dvorak, J Hoffman, DC Nitsche, H AF Gregorich, K. E. Duellmann, Ch. E. Folden, C. M., III Sudowe, R. Stavsetra, L. Nelson, S. L. Dragojevic, I. Garcia, M. A. Gates, Jacklyn M. Chung, Y. H. Eichler, R. Pang, G. K. Tuerler, A. Yakushev, A. Dvorak, J. Hoffman, D. C. Nitsche, H. TI Systematic study of heavy element compound nucleus reactions with 238U targets SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Gregorich, K. E.; Nelson, S. L.; Dragojevic, I.; Garcia, M. A.; Gates, Jacklyn M.; Hoffman, D. C.; Nitsche, H.] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Nucl Sci, Berkeley, CA 94720 USA. [Duellmann, Ch. E.] Gesellscshaft Schwerionenforsch, D-64291 Darmstadt, Germany. [Folden, C. M., III; Pang, G. K.] Michigan State Univ, NSCL, E Lansing, MI 48824 USA. [Sudowe, R.] Univ Nevada, Las Vegas, NV 89154 USA. [Nelson, S. L.; Dragojevic, I.; Garcia, M. A.; Gates, Jacklyn M.; Hoffman, D. C.; Nitsche, H.] Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA. [Chung, Y. H.] Hallym Univ, Dept Chamistry, Chunchon, South Korea. [Eichler, R.] Univ Bern, PSI, Lab Radio & Umweltchem, Bern, Switzerland. [Eichler, R.] Univ Bern, Dept Chem & Biochem, Bern, Switzerland. [Tuerler, A.; Yakushev, A.; Dvorak, J.] Tech Univ Munich, Inst Radiochem, D-85748 Garching, Germany. EM kegregorich@lbl.gov NR 0 TC 0 Z9 0 U1 2 U2 4 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 103-NUCL PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593904645 ER PT J AU Groenewold, GS Van Stipdonk, M Gresham, GL Oomens, J de Jong, B Gianotto, AK McIlwain, ME AF Groenewold, Gary S. Van Stipdonk, Mike Gresham, Garold L. Oomens, Jos de Jong, Bert Gianotto, Anita K. McIlwain, Michael E. TI Combined infrared and computational studies of discrete uranyl trianion complexes SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Groenewold, Gary S.; Gresham, Garold L.; Gianotto, Anita K.; McIlwain, Michael E.] Idaho Natl Lab, Idaho Falls, ID 83415 USA. [Van Stipdonk, Mike] Wichita State Univ, Dept Chem, Wichita, KS 67260 USA. [Oomens, Jos] FOM Inst Plasma Phys Rijnhuizen, NL-3439 MN Nieuwegein, Netherlands. [de Jong, Bert] Pacific NW Natl Lab, EMSL, Richland, WA 99352 USA. EM gary.groenewold@inl.gov; Mike.VanStipdonk@wichita.edu; garold.gresham@inl.gov; joso@rijnh.nl; bert.dejong@pnl.gov; anita.gianotto@inl.gov; mem@inl.gov RI Oomens, Jos/F-9691-2015 NR 0 TC 0 Z9 0 U1 0 U2 2 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 37-NUCL PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593904641 ER PT J AU Grzywacz, RK AF Grzywacz, Robert K. TI Radioactive rarities near the proton drip-line SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Grzywacz, Robert K.] Univ Tennessee, Dept Phys & Astron, Oak Ridge Natl Lab, Knoxville, TN 37996 USA. EM rgrzywac@utk.edu NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 39-NUCL PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593904592 ER PT J AU Guliants, VV Shiju, NR Mullins, DR Overbury, SH AF Guliants, Vadim V. Shiju, N. R. Mullins, David R. Overbury, Steven H. TI Selective (amm)oxidation of propane over Mo-V based mixed oxide catalysts SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Shiju, N. R.] Univ Cincinnati, Dept Chem & Mat Engn, Cincinnati, OH 45221 USA. [Mullins, David R.; Overbury, Steven H.] Oak Ridge Natl Lab, Div Chem Sci, Oak Ridge, TN 37831 USA. EM vguliant@alpha.che.uc.edu; shiju_nr@yahoo.co.uk; mullinsdr@ornl.gov; overburysh@ornl.gov RI Overbury, Steven/C-5108-2016 OI Overbury, Steven/0000-0002-5137-3961 NR 0 TC 0 Z9 0 U1 0 U2 1 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 14-PETR PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593904757 ER PT J AU Guo, YS Xiao, YM Wang, HX Yoda, Y Zhang, XW Cramer, SP AF Guo, Yisong Xiao, Yuming Wang, Hongxin Yoda, Yoshitaka Zhang, Xiaowei Cramer, Stephen P. TI INOR 939-Synchrotron radiation based nuclear resonant scattering (NRS) of enzymes and model compounds containing iron and nickel SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Guo, Yisong; Xiao, Yuming; Wang, Hongxin] Univ Calif Davis, Dept Appl Sci, Davis, CA 95616 USA. [Yoda, Yoshitaka] Japan Synchrotron Radiat Res Inst, Tokyo, Japan. [Cramer, Stephen P.] UC Davis Lawrence Berkeley Natl Lab, Dept Appl Sci, Berkeley, CA 94720 USA. EM ysguo@ucdavis.edu; yxiao@ucdavis.edu; hongxin@popper.lbl.gov; spcramer@ucdavis.edu NR 0 TC 0 Z9 0 U1 0 U2 1 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 939-INOR PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593909224 ER PT J AU Gyuk, I AF Gyuk, Imre TI Electric energy storage for utility scale applications SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Gyuk, Imre] US DOE, Washington, DC 20585 USA. EM imre.gyuk@hq.doe.gov NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 4-ANYL PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593901245 ER PT J AU Hah, SS Sumbad, RA Turteltaub, KW Henderson, PT AF Hah, Sang Soo Sumbad, Rhoda A. Turteltaub, Kenneth W. Henderson, Paul T. TI Kinetics and characterization of oxaliplatin-DNA adduct formation in naked DNA and cancer cells using accelerator mass spectrometry SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Hah, Sang Soo; Sumbad, Rhoda A.; Turteltaub, Kenneth W.] Lawrence Livermore Natl Lab, Biol & Biotechnol Res Program, Livermore, CA 94550 USA. [Henderson, Paul T.] Lawrence Livermore Natl Lab, Mat & Life Sci Directorate, Livermore, CA 94551 USA. EM hah2@llnl.gov; turteltaub2@llnl.gov; Henderson48@llnl.gov NR 0 TC 0 Z9 0 U1 0 U2 1 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 35-TOXI PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593905221 ER PT J AU Hah, SS AF Hah, Sang Soo TI BIOL 9-Biomedical application of accelerator mass spectrometry: Kinetics and characterization of oxaliplatin-DNA adduct formation in naked DNA and cancer cells SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Hah, Sang Soo] Lawrence Livermore Natl Lab, Biosci Directorate, Livermore, CA 94551 USA. EM hah2@llnl.gov NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 9-BIOL PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593900801 ER PT J AU Hamann, TW Martinson, ABF Elam, JW Pellin, MJ Hupp, JT AF Hamann, Thomas W. Martinson, Alex B. F. Elam, Jeffrey W. Pellin, Michael J. Hupp, Joseph T. TI FUEL 266-Novel photoanode architectures and tunneling barriers SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Hamann, Thomas W.; Martinson, Alex B. F.; Hupp, Joseph T.] Northwestern Univ, Dept Chem, Evanston, IL 60208 USA. [Martinson, Alex B. F.] Northwestern Univ, Mat Res Ctr, Evanston, IL 60208 USA. [Elam, Jeffrey W.] Argonne Natl Lab, Div Energy Syst, Argonne, IL 60439 USA. [Pellin, Michael J.] Argonne Natl Lab, Div Mat Sci, Argonne, IL 60439 USA. EM t-hamann@northwestern.edu; a-martinson2@northwestern.edu; jelam@anl.gov; pellin@anl.gov; j-hupp@northwestern.edu RI Pellin, Michael/B-5897-2008; Hupp, Joseph/K-8844-2012 OI Pellin, Michael/0000-0002-8149-9768; Hupp, Joseph/0000-0003-3982-9812 NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 266-FUEL PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593903628 ER PT J AU Han, D Halada, GP Spalding, B Brooks, SC AF Han, Dong Halada, Gary P. Spalding, Brian Brooks, Scott C. TI ENVR 208-Comparison of electrospun and non-electrospun oxidized cellulose and chitosan fibrous mats serving as matrices for adsorption of heavy metal ions SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Han, Dong; Halada, Gary P.] SUNY Stony Brook, Dept Mat Sci & Engn, Stony Brook, NY 11794 USA. [Han, Dong; Halada, Gary P.] SUNY Stony Brook, Ctr Environm Mol Sci, Stony Brook, NY 11794 USA. [Spalding, Brian; Brooks, Scott C.] Oak Ridge Natl Lab, Div Environm Sci, Oak Ridge, TN 37831 USA. EM donhan@notes.cc.sunysb.edu; ghalada@ms.cc.sunysb.edu; brookssc@ornl.gov; brookssc@ornl.gov RI Brooks, Scott/B-9439-2012 OI Brooks, Scott/0000-0002-8437-9788 NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 208-ENVR PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593902722 ER PT J AU Han, HX Frei, H AF Han, Hongxian Frei, Heinz TI INOR 998-Visible light-driven water oxidation at binuclear TiOCr site coupled to Ir oxide cluster in silica nanopores SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Han, Hongxian; Frei, Heinz] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Phys Biosci Div, Berkeley, CA 94720 USA. EM hhan@lbl.gov; HMFrei@lbl.gov RI Han, Hongxian/Q-6054-2016 OI Han, Hongxian/0000-0002-2522-1817 NR 0 TC 0 Z9 0 U1 0 U2 1 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 998-INOR PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593909484 ER PT J AU Harrup, MK Luther, TA Stewart, FF Orme, CJ Stone, ML Bauer, W AF Harrup, Mason K. Luther, Thomas A. Stewart, Frederick F. Orme, Christopher J. Stone, Mark L. Bauer, William TI FUEL 246-Synthesis and characterization of polyphosphazene materials for advanced lithium-water batteries SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Harrup, Mason K.; Luther, Thomas A.; Stewart, Frederick F.; Orme, Christopher J.] Idaho Natl Lab, Dept Chem Sci, Idaho Falls, ID 83415 USA. [Stone, Mark L.] INEEL, Idaho Falls, ID 83415 USA. [Bauer, William] Idaho Natl Lab, Dept Chem, Idaho Falls, ID 83415 USA. EM mason.harrup@inl.gov; thomas.luther@inl.gov; frederick.stewart@inl.gov; christopher.orme@inl.gov RI Bauer, William/B-8357-2016 OI Bauer, William/0000-0002-7190-9700 NR 0 TC 0 Z9 0 U1 0 U2 1 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 246-FUEL PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593903560 ER PT J AU Hartl, MA Acatrinei, AI Daemen, LL Eckert, J Roemer, M Lentz, D AF Hartl, Monika A. Acatrinei, Alice I. Daemen, Luke L. Eckert, Juergen Roemer, Max Lentz, Dieter TI INOR 322-Torsional and librational dynamics of hydrazinium(+1) and (+2) binary salts by incoherent inelastic neutron scattering and IR spectroscopy SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Hartl, Monika A.; Acatrinei, Alice I.; Daemen, Luke L.] Los Alamos Natl Lab, Manuel Lujan Jr Neutron Scattering Ctr, Los Alamos, NM 87545 USA. [Eckert, Juergen] Univ Calif Santa Barbara, Mat Res Lab, Santa Barbara, CA 93106 USA. [Roemer, Max; Lentz, Dieter] Free Univ Berlin, Inst Chem Anorgan Chem, Fachbereich Chem, D-14195 Berlin, Germany. EM hartl@lanl.gov; aacatrinei@lanl.gov; lld@lanl.gov; juergen@mrl.ucsb.edu; maxro@chemie.fu-berlin.de RI Lujan Center, LANL/G-4896-2012; Hartl, Monika/F-3094-2014; Hartl, Monika/N-4586-2016 OI Hartl, Monika/0000-0002-6601-7273; Hartl, Monika/0000-0002-6601-7273 NR 0 TC 0 Z9 0 U1 0 U2 1 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 322-INOR PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593909532 ER PT J AU Hastings, E Tandon, L Kuhn, KJ LaMont, S Beddingfield, D Wong, AS Porterfield, DR Myers, SC AF Hastings, Elizabeth Tandon, Lav Kuhn, Kevin J. LaMont, Stephen Beddingfield, David Wong, Amy S. Porterfield, Donivan R. Myers, Steven C. TI Nuclear forensics: Investigation of nuclear materials SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Hastings, Elizabeth; Wong, Amy S.] Los Alamos Natl Lab, Div Chem, Los Alamos, NM 87545 USA. [Kuhn, Kevin J.; Porterfield, Donivan R.] Los Alamos Natl Lab, Actinide Analyt Chem Grp, Los Alamos, NM 87545 USA. [Myers, Steven C.] Los Alamos Natl Lab, Nucl Waste & Infrastruct Serv Div, Los Alamos, NM 87545 USA. EM ehastings@lanl.gov; wong@lanl.gov NR 0 TC 0 Z9 0 U1 0 U2 1 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 108-NUCL PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593904530 ER PT J AU Hatarik, R Bernstein, LA Burke, JT Cizewski, JA Gibelin, JD O'Malley, PD Phair, LW Swan, T AF Hatarik, Robert Bernstein, Lee A. Burke, Jason T. Cizewski, Jolie A. Gibelin, J. D. O'Malley, Patrick D. Phair, L. W. Swan, Thomas TI Benchmarking (d,p gamma) as a surrogate reaction for neutron capture SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Hatarik, Robert; Cizewski, Jolie A.; O'Malley, Patrick D.; Swan, Thomas] Rutgers State Univ, Dept Phys & Astron, New Brunswick, NJ 08901 USA. [Bernstein, Lee A.; Burke, Jason T.] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA. [Gibelin, J. D.; Phair, L. W.] Lawrence Berkeley Natl Lab, Div Nucl Sci, Berkeley, CA 94702 USA. EM hatarikr@ornl.gov; bernstein2@llnl.gov; cizewski@physics.rutgers.edu; lwphair@lbl.gov NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 79-NUCL PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593904595 ER PT J AU Hatcher, J Thomas, M Lall-Ramnarine, SI Wishart, JF AF Hatcher, Jasmine Thomas, Marie Lall-Ramnarine, Sharon I. Wishart, James F. TI Comparing the properties of pyridinium and 4-dimethylaminopyridinium ionic liquids SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Hatcher, Jasmine; Thomas, Marie] CUNY Queens Coll, Dept Chem & Biochem, Flushing, NY 11367 USA. [Thomas, Marie] CUNY, Grad Ctr, Flushing, NY 11367 USA. [Lall-Ramnarine, Sharon I.] CUNY Queensborough Community Coll, Dept Chem, New York, NY 11364 USA. [Wishart, James F.] Brookhaven Natl Lab, Dept Chem, Upton, NY 11973 USA. EM msjhatcher@gmail.com; slallramnarine@qcc.cuny.edu; wishart@bnl.gov NR 0 TC 0 Z9 0 U1 0 U2 1 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 239-CHED PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593904417 ER PT J AU Havrilla, GJ Montoya, VM Tandon, L LaMont, SP AF Havrilla, George J. Montoya, Velma M. Tandon, Lav LaMont, Stephen P. TI Aerosol filter analysis using scanning micro X-ray fluorescence SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Havrilla, George J.; Montoya, Velma M.; Tandon, Lav; LaMont, Stephen P.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA. EM havrilla@lanl.gov; vmontoya@lanl.gov; tandon@lanl.gov; lamont@lanl.gov NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 67-NUCL PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593904570 ER PT J AU Havrilla, GJ AF Havrilla, George J. TI X-ray based methods for nuclear materials characterization SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Havrilla, George J.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA. EM havrilla@lanl.gov NR 0 TC 0 Z9 0 U1 0 U2 1 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 127-NUCL PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593904574 ER PT J AU Hay, BP Bryantsev, VS Berryman, OB Johnson, DW AF Hay, Benjamin P. Bryantsev, Vyacheslav S. Berryman, Orion B. Johnson, Darren W. TI INOR 456-Structural criteria for the design of anion receptors: Interaction of anions with electron-deficient arenes SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Hay, Benjamin P.] Oak Ridge Natl Lab, Div Chem Sci, Oak Ridge, TN 37831 USA. [Bryantsev, Vyacheslav S.] CALTECH, Mat & Proc Simulat Ctr, Pasadena, CA 91125 USA. [Berryman, Orion B.; Johnson, Darren W.] Univ Oregon, Dept Chem, Eugene, OR 97403 USA. [Berryman, Orion B.; Johnson, Darren W.] Univ Oregon, Inst Mat Sci, Eugene, OR 97403 USA. EM haybp@ornl.gov; oberryma@uoregon.edu; dwj@uoregon.edu RI Bryantsev, Vyacheslav/M-5111-2016 OI Bryantsev, Vyacheslav/0000-0002-6501-6594 NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 456-INOR PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593908833 ER PT J AU Hay, PJ Martin, RL Batista, ER Uddin, J Scuseria, GE AF Hay, P. Jeffrey Martin, Richard L. Batista, Enrique R. Uddin, Jamal Scuseria, Gustavo E. TI COMP 233-Theoretical approaches to actinide complexes and cerium oxide materials using density functional theory SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Hay, P. Jeffrey; Martin, Richard L.; Batista, Enrique R.] Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA. [Uddin, Jamal; Scuseria, Gustavo E.] Rice Univ, Dept Chem, Houston, TX 77005 USA. EM pjhay@lanl.gov; rlmartin@lanl.gov; erb@lanl.gov; uddin@rice.edu; guscus@rice.edu NR 0 TC 0 Z9 0 U1 1 U2 1 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 233-COMP PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593906106 ER PT J AU Hay, PJ Yang, P Batista, ER Martin, RL AF Hay, P. Jeffrey Yang, Ping Batista, Enrique R. Martin, Richard L. TI Theoretical studies of the electronic properties and reactions of organoactinide complexes using density functional theory SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Hay, P. Jeffrey; Yang, Ping; Batista, Enrique R.; Martin, Richard L.] Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA. EM pjhay@lanl.gov; pyang@lanl.gov; erb@lanl.gov; rlmartin@lanl.gov NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 18-NUCL PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593904544 ER PT J AU Haynes, D Berry, D Shekhawat, D Gardner, TH Spivey, JJ AF Haynes, Daniel Berry, David Shekhawat, Dushyant Gardner, Todd H. Spivey, James J. TI FUEL 26-Catalytic partial oxidation of n-tetradecane on Rh and Sr substituted pyrochlores SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Haynes, Daniel; Spivey, James J.] Louisiana State Univ, Dept Chem Engn, Baton Rouge, LA 70803 USA. [Berry, David; Shekhawat, Dushyant] US DOE, Natl Energy Technol Lab, Morgantown, WV 26507 USA. [Gardner, Todd H.] US DOE, Natl Energy Technol Lab, Separat & Fuels Proc Div, Morgantown, WV 26505 USA. EM dhayne5@lsu.edu; dberry@netl.doe.gov; Dushyant.Shekhawat@netl.doe.gov; todd.gardner@netl.doe.gov; jjspivey@lsu.edu NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 26-FUEL PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593903511 ER PT J AU Head-Gordon, MP AF Head-Gordon, Martin P. TI PHYS 177-Electronic structure theory of molecular complexes, clusters, liquids and solids SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Head-Gordon, Martin P.] Univ Calif Berkeley, Lawrence Natl Berkeley Lab, Dept Chem, Div Chem Sci, Berkeley, CA 94720 USA. EM mhg@cchem.berkeley.edu NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 177-PHYS PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593907693 ER PT J AU Heldebrant, DJ Autrey, T Linehan, JC Camaioni, DM Rassat, SD Zheng, F AF Heldebrant, David J. Autrey, Tom Linehan, John C. Camaioni, Donald M. Rassat, Scot D. Zheng, Feng TI FUEL 164-Effect of additives on the thermolysis of ammonia borane SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Heldebrant, David J.; Camaioni, Donald M.] Pacific NW Natl Lab, Chem & Mat Sci Div, Richland, WA 99352 USA. [Autrey, Tom] PNNL, Richland, WA 99352 USA. [Linehan, John C.] Pacific NW Natl Lab, Fundamental Sci Div, Richland, WA 99352 USA. [Rassat, Scot D.; Zheng, Feng] Pacific NW Natl Lab, Environm Technol Directorate, Richland, WA 99352 USA. EM david.heldebrant@pnl.gov; Tom.Autrey@pnl.gov; john.linehan@pnl.gov; donald.camaioni@pnl.gov; sd.rassat@pnl.gov; feng.zheng@pnl.gov RI Zheng, Feng/C-7678-2009 OI Zheng, Feng/0000-0002-5427-1303 NR 0 TC 0 Z9 0 U1 0 U2 2 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 164-FUEL PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593903603 ER PT J AU Hemminger, JC Brown, MA Krisch, MJ Starr, DE Mun, S Bluhm, H AF Hemminger, John C. Brown, Matthew A. Krisch, Maria J. Starr, David E. Mun, Simon Bluhm, Hendrik TI Composition and chemistry at the liquid/vapor interface of aqueous solutions: Comparisons between experiment and MD simulations SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Hemminger, John C.; Brown, Matthew A.; Krisch, Maria J.] Univ Calif Irvine, Dept Chem, Irvine, CA 92697 USA. [Hemminger, John C.; Brown, Matthew A.; Krisch, Maria J.] Univ Calif Irvine, AirUCI, Irvine, CA 92697 USA. [Starr, David E.; Mun, Simon; Bluhm, Hendrik] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Chem Sci, Berkeley, CA 94720 USA. EM jchemmin@uci.edu; mkrisch@uci.edu; destarr@lbl.gov NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 67-COMP PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593906024 ER PT J AU Henderson, PT AF Henderson, Paul T. TI Mechanism of 8-hydroxyguanine metabolism and incorporation into DNA and RNA: A novel route to mutagenesis from reactive oxygen species SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Henderson, Paul T.] Lawrence Livermore Natl Lab, Mat & Life Sci Directorate, Livermore, CA 94551 USA. EM Henderson48@llnl.gov NR 0 TC 0 Z9 0 U1 0 U2 1 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 134-TOXI PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593905155 ER PT J AU Herring, AM Stanis, RJ Ferrell, JR Kuo, MC Turner, JA AF Herring, Andrew M. Stanis, Ronald J. Ferrell, Jack R., III Kuo, Mei Chen Turner, John A. TI FUEL 71-The use of polyoxometallates in fuel cell catalyst layers SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Herring, Andrew M.; Stanis, Ronald J.; Ferrell, Jack R., III; Kuo, Mei Chen] Colorado Sch Mines, Dept Chem Engn, Golden, CO 80401 USA. [Turner, John A.] Natl Renewable Energy Lab, Golden, CO 80401 USA. EM aherring@mines.edu; rstanis@mines.edu; jferrell@mines.edu; mkuo@mines.edu; john_turner@nrel.gov NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 71-FUEL PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593903610 ER PT J AU Hess, NJ Qafoku, OS Xia, YX Felmy, AR AF Hess, Nancy J. Qafoku, Odeta S. Xia, Yuanxian Felmy, Andrew R. TI A thermodynamic model for the solubility of TcO2 center dot xH(2)O(am) in the aqueous Tc(IV)-oxalate-Na+-Cl--H+-OH--H2O system SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Qafoku, Odeta S.] Pacific NW Natl Lab, William R Willey Lab, Richland, WA 99352 USA. [Xia, Yuanxian] Pacific NW Natl Lab, Environm Dynam & Simulat Grp, Richland, WA 99352 USA. [Felmy, Andrew R.] Pacific NW Natl Lab, WR Willey Environm Mol Sci Lab, Richland, WA 99352 USA. EM nancy.hess@pnl.gov; odeta.qafoku@pnl.gov; Yuanxian.xia@pnl.gov NR 0 TC 0 Z9 0 U1 0 U2 1 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 149-NUCL PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593904582 ER PT J AU Hirata, S Yanai, T Harrison, RJ Kamiya, M Fan, PD AF Hirata, So Yanai, Takeshi Harrison, Robert J. Kamiya, Muneaki Fan, Peng-Dong TI High-order electron-correlation methods with scalar relativistic and spin-orbit corrections SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Hirata, So; Kamiya, Muneaki; Fan, Peng-Dong] Univ Florida, Dept Chem, Quantum Theory Project, Gainesville, FL 32611 USA. [Yanai, Takeshi] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA. [Harrison, Robert J.] U Tennessee, Knoxville, TN 37831 USA. [Harrison, Robert J.] ORNL, Knoxville, TN 37831 USA. EM hirata@qtp.ufl.edu; harrisonrj@ornl.gov; kamiya@qtp.ufl.edu; fan@qtp.ufl.edu NR 0 TC 0 Z9 0 U1 0 U2 1 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 73-NUCL PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593904563 ER PT J AU Hirsch, RF Blount, H AF Hirsch, Roland F. Blount, Henry TI COMSCI 1-Lindau meeting of Nobel laureates and students: An international meeting of minds SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Hirsch, Roland F.] US DOE, Off Biol & Environm Res, Washington, DC 20585 USA. [Blount, Henry] Natl Sci Fdn, Off Multidiscipinary Activ, Directorate Math & Phys Sci, Arlington, VA 22230 USA. EM roland.hirsch@science.doe.gov; hblount@nsf.gov NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 1-COMSCI PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593901756 ER PT J AU Hobbs, DT Nyman, MD Click, DR AF Hobbs, D. T. Nyman, M. D. Click, D. R. TI INOR 94-Metal separations using titanium-based materials SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Hobbs, D. T.; Click, D. R.] Washington Savannah River Co, Savannah River Natl Lab, Aiken, SC 29808 USA. [Nyman, M. D.] Sandia Natl Labs, Albuquerque, NM 87185 USA. EM david.hobbs@srnl.doe.gov; mdnyman@sandia.gov; damon.click@srnl.doe.gov NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 94-INOR PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593908709 ER PT J AU Hong, HP Wright, B Wang, XB Roy, W AF Hong, Haiping Wright, Brian Wang, Xuebin Roy, Walter TI Time dependent thermal conductivity in the polyalphaolefine (PAO) oils SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Hong, Haiping; Wright, Brian] S Dakota Sch Mines & Technol, Dept Mat & Met Engn, Rapid City, SD 57701 USA. [Wang, Xuebin] Pacific NW Natl Lab, EMSL, CS&D, Richland, WA 99352 USA. [Roy, Walter] USA, Res Lab, Washington, DC USA. EM Haiping.Hong@sdsmt.edu; xuebin.wang@pnl.gov NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 557-PMSE PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593905683 ER PT J AU Houston, JR Carroll, SA Herberg, JL Maxwell, RS AF Houston, Jacqueline R. Carroll, Susan A. Herberg, Julie L. Maxwell, Robert S. TI GEOC 89-NMR spectroscopic study on the association of dissolved Al(III) with silicate surfaces SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Houston, Jacqueline R.; Carroll, Susan A.; Herberg, Julie L.; Maxwell, Robert S.] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA. EM houston23@llnl.gov; carroll6@llnl.gov; herberg1@llnl.gov; maxwell7@llnl.gov NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 89-GEOC PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593902791 ER PT J AU Huang, XW King, DA Zheng, F Stenkamp, VS Tegrotenhuis, W King, DL AF Huang, Xiwen King, Dale A. Zheng, Feng Stenkamp, Victoria S. Tegrotenhuis, Ward King, David L. TI FUEL 146-A compact JP-8 desulfurization process SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Huang, Xiwen] Pacific NW Natl Lab, Energy Sci & Technol Directorate, Richland, WA 99352 USA. [King, Dale A.; Zheng, Feng] Pacific NW Natl Lab, Environm Technol Directorate, Richland, WA 99352 USA. EM xiwen.huang@pnl.gov; feng.zheng@pnl.gov; victoria.stenkamp@pnl.gov; ward.tegrotenhuis@pnl.gov; david.king@pnl.gov RI Zheng, Feng/C-7678-2009 OI Zheng, Feng/0000-0002-5427-1303 NR 0 TC 0 Z9 0 U1 0 U2 1 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 146-FUEL PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593903568 ER PT J AU Hupp, JT Lee, SJ McGarrah, JE She, CX Mulfort, KL Youm, KT Jensen, RA Tiede, DM Nguyen, ST Kelley, RF Wasielewski, MR AF Hupp, Joseph T. Lee, Suk Joong McGarrah, James E. She, Chunxing Mulfort, Karen L. Youm, Kyoung-Tae Jensen, Rebecca A. Tiede, David M. Nguyen, SonBinh T. Kelley, Richard F. Wasielewski, Michael R. TI Supramolecular porphyrin prisms and excited-state mixed-valency SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Hupp, Joseph T.; Lee, Suk Joong; McGarrah, James E.; She, Chunxing; Mulfort, Karen L.; Youm, Kyoung-Tae; Jensen, Rebecca A.; Nguyen, SonBinh T.; Kelley, Richard F.; Wasielewski, Michael R.] Northwestern Univ, Dept Chem, Evanston, IL 60208 USA. [Tiede, David M.] Argonne Natl Lab, Div Chem, Argonne, IL 60439 USA. [Kelley, Richard F.] Northwestern Univ, Ctr Nanotechnol, Evanston, IL 60208 USA. [Wasielewski, Michael R.] Northwestern Univ, Int Inst Nanotechnol, Evanston, IL 60208 USA. EM j-hupp@northwestern.edu; slee@northwestern.edu; mcgarrah@chem.nwu.edu; k-mulfort@northwestern.edu; stn@northwestern.edu; m-wasielewski@northwestern.edu RI Hupp, Joseph/K-8844-2012; Nguyen, SonBinh/C-1682-2014 OI Hupp, Joseph/0000-0003-3982-9812; Nguyen, SonBinh/0000-0002-6977-3445 NR 0 TC 0 Z9 0 U1 0 U2 2 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 523-INOR PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593909582 ER PT J AU Irita, T Russell, TP Li, XF Kondo, M Aoyama, H AF Irita, Tomomi Russell, Thomas P. Li, Xuefa Kondo, Masahiro Aoyama, Hirokazu TI Study of fuel cells thin film morphologies by grazing incidence small angle X-ray scattering SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Irita, Tomomi; Russell, Thomas P.] Univ Massachusetts, Dept Polymer Sci & Engn, Amherst, MA 01003 USA. [Li, Xuefa] Argonne Natl Lab, Adv Photon Source, Argonne, IL 60439 USA. [Kondo, Masahiro; Aoyama, Hirokazu] Daikin Ind Ltd, Fundamental Res Dept, Div Chem, Osaka, Japan. EM irita@polysci.umass.edu NR 0 TC 0 Z9 0 U1 0 U2 2 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 9-PMSE PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593905680 ER PT J AU Ismail, AE Grest, GS Stevens, MJ AF Ismail, Ahmed E. Grest, Gary S. Stevens, Mark J. TI COMP 376-Structure and dynamics of water near the interface with oligo(ethylene oxide) self-assembled monolayers SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Ismail, Ahmed E.; Grest, Gary S.; Stevens, Mark J.] Sandia Natl Labs, Albuquerque, NM 87185 USA. EM aismail@sandia.gov; gsgrest@sandia.gov; msteve@sandia.gov NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 376-COMP PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593906070 ER PT J AU Jankovic, JT AF Jankovic, John T. TI Applying control banding in the determination of control measures in laboratories using nanoparticles SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Jankovic, John T.] Oak Ridge Natl Lab, Ctr Nanophase Mat Sci, Oak Ridge, TN 37831 USA. NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 10-CHAS PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593901653 ER PT J AU Jeskie, KB AF Jeskie, Kimberly Begley TI A regulatory outlook for "nanosafety" SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Jeskie, Kimberly Begley] Oak Ridge Natl Lab, Phys Sci Directorate, Oak Ridge, TN 37831 USA. EM jeskiekb@ornl.gov NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 8-CHAS PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593901652 ER PT J AU Jing, J Burton-Pye, BP McGregor, D Mbomekalle, IM Antonio, MR Francesconi, LC AF Jing, Jing Burton-Pye, Benjamin P. McGregor, Donna Mbomekalle, Israel M. Antonio, M. R. Francesconi, Lynn C. TI INOR 73-Electrochemical, in situ spectroelectrochemical and optical luminescence studies of Ln-substituted polyoxometalates SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Jing, Jing; Burton-Pye, Benjamin P.; McGregor, Donna; Mbomekalle, Israel M.; Francesconi, Lynn C.] CUNY Hunter Coll, Dept Chem, New York, NY 10021 USA. [Jing, Jing; McGregor, Donna] CUNY, Grad Ctr, New York, NY 10021 USA. [Antonio, M. R.] Argonne Natl Lab, Div Chem, Argonne, IL 60439 USA. EM jjing@hunter.cuny.edu; bburtonp@hunter.cuny.edu; donnamcgr@msn.com; imbomeka@hunter.cuny.edu; mantonio@anl.gov; lfrances@hunter.cuny.edu NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 73-INOR PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593909105 ER PT J AU Johnson, JK Wang, Y Liu, JC Sholl, DS AF Johnson, J. Karl Wang, Yang Liu, Jin-Chen Sholl, David S. TI COMP 212-Calculation of diffusion coefficients of water and alkanes through single-walled carbon nanotubes from simulations SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Johnson, J. Karl; Wang, Yang] Univ Pittsburgh, Dept Chem Engn, Pittsburgh, PA 15261 USA. [Johnson, J. Karl] Natl Energy Technol Lab, Pittsburgh, PA 15261 USA. [Sholl, David S.] Carnegie Mellon Univ, Dept Chem Engn, Pittsburgh, PA 15213 USA. EM karlj@pitt.edu; yang@puccini.che.pitt.edu; jliu@puccini.che.pitt.edu; sholl@andrew.cmu.edu NR 0 TC 0 Z9 0 U1 1 U2 1 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 212-COMP PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593906285 ER PT J AU Johnson, JC Chen, XD Schwerin, AE Havlas, Z Chalupsky, J Popovic, DB David, DE Rana, G Paci, I Ratner, MA Michl, J Nozik, AJ AF Johnson, Justin C. Chen, Xudong Schwerin, Andrew E. Havlas, Zdenek Chalupsky, Jakub Popovic, Duska B. David, Donald E. Rana, Geeta Paci, Irina Ratner, Mark A. Michl, Josef Nozik, Arthur J. TI ORGN 689-Covalently linked dimers of 1,3-diphenylisobenzofuran: Evidence for singlet fission SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Johnson, Justin C.; Nozik, Arthur J.] Natl Renewable Energy Lab, Ctr Basic Sci, Golden, CO 80401 USA. [Chen, Xudong; Schwerin, Andrew E.; Popovic, Duska B.; David, Donald E.; Rana, Geeta; Michl, Josef] Univ Colorado, Dept Chem & Biochem, Boulder, CO 80309 USA. [Havlas, Zdenek; Chalupsky, Jakub] Acad Sci Czech Republic, Inst Organ Chem & Biochem, Prague 16610, Czech Republic. [Paci, Irina; Ratner, Mark A.] Northwestern Univ, Dept Chem, Evanston, IL 60208 USA. [Paci, Irina; Ratner, Mark A.] Northwestern Univ, Mat Res Ctr, Evanston, IL 60208 USA. EM popovic@eefus.colorado.edu; ratner@chem.northwestern.edu; michl@eefus.colorado.edu; anozik@nrel.gov RI Havlas, Zdenek/B-2164-2012; Chalupsky, Jakub/G-6144-2014; Michl, Josef/G-9376-2014 OI Havlas, Zdenek/0000-0002-8369-7303; NR 0 TC 0 Z9 0 U1 1 U2 2 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 689-ORGN PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12JA UT WOS:000207594300196 ER PT J AU Jones, TV Wilson, TS Baumann, TF Saab, A Maxwell, R AF Jones, Ticora V. Wilson, Thomas S. Baumann, Theodore F. Saab, Andrew Maxwell, Robert TI INOR 628-POSS-PDMS Nanocomposites: Using tethered inorganic fillers to modify the mechanical properties of polymeric systems SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Jones, Ticora V.] Lawrence Livermore Natl Lab, Chem Mat & Life Sci Div, Livermore, CA 94551 USA. [Saab, Andrew; Maxwell, Robert] Lawrence Livermore Natl Lab, Chem Mat & Life Sci Directorate, Livermore, CA 94550 USA. EM jones224@llnl.gov; maxwell7@llnl.gov NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 628-INOR PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593909093 ER PT J AU Kamat, PV Robel, I Kongkanand, A AF Kamat, Prashant V. Robel, Istvan Kongkanand, Anusorn TI FUEL 264-Semiconductor quantum dot-SWCNT architectures for solar energy conversion SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Kamat, Prashant V.] Univ Notre Dame, Dept Chem & Biochem, Radiat Lab, Notre Dame, IN 46556 USA. [Robel, Istvan] Argonne Natl Lab, Ctr Nanoscale Mat, Radiat Lab, Dept Chem, Argonne, IL 60439 USA. [Kongkanand, Anusorn] Univ Notre Dame, Dept Chem & Biochem, Notre Dame Radiat Lab, Notre Dame, IN 46556 USA. EM pkamat@nd.edu RI Kamat, Prashant/B-7969-2008 NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 264-FUEL PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593903651 ER PT J AU Kammrath, A Griffin, GB Verlet, JRR Bragg, AE Young, RM Neumark, DM AF Kammrath, Aster Griffin, Graham B. Verlet, Jan R. R. Bragg, Arthur E. Young, Ryan M. Neumark, Daniel M. TI PHYS 29-Dynamics of the excess electron in anionic water and methanol clusters via femtosecond photoelectron imaging SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Kammrath, Aster; Griffin, Graham B.; Young, Ryan M.] Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA. [Verlet, Jan R. R.] Univ Durham, Dept Chem, Durham DH1 3LE, England. [Bragg, Arthur E.] Univ Calif Los Angeles, Dept Chem & Biochem, Los Angeles, CA 90095 USA. [Neumark, Daniel M.] Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA. [Neumark, Daniel M.] Univ Calif Berkeley, Div Chem Sci, Berkeley, CA 94720 USA. [Neumark, Daniel M.] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA. EM aster@berkeley.edu; graham_griffin@berkeley.edu; artbragg@chem.ucla.edu RI Verlet, Jan/G-5940-2012 OI Verlet, Jan/0000-0002-9480-432X NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 29-PHYS PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593907133 ER PT J AU Katz, A AF Katz, Arthur TI PHYS 87-DOE vision and funding opportunities SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Katz, Arthur] US DOE, Div Life Sci, Off Biol & Environm Res, Washington, DC 20585 USA. EM arthur.katz@science.doe.gov NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 87-PHYS PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593907714 ER PT J AU Kaur, G Bruckman, M Niu, ZW Pingali, SV Thiyagarajan, P Lee, B Emrick, T Russell, TP Wang, QA AF Kaur, Gagandeep Bruckman, Michael Niu, Zhongwei Pingali, Sai Venkatesh Thiyagarajan, P. Lee, Byeongdu Emrick, Todd Russell, Tom P. Wang, Qian TI COLL 276-2-D Assembly of viral particles and their application in cell binding SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Kaur, Gagandeep; Bruckman, Michael; Niu, Zhongwei; Wang, Qian] Univ S Carolina, Dept Chem & Biochem, Columbia, SC 29208 USA. [Pingali, Sai Venkatesh; Thiyagarajan, P.] Argonne Natl Lab, Intense Pulsed Neutron Source, Argonne, IL 60439 USA. [Lee, Byeongdu] Argonne Natl Lab, Xray Sci Div, Argonne, IL 60439 USA. [Emrick, Todd] Univ Massachusetts, Dept Polymer Sci & Engn, Amherst, MA 01003 USA. EM gagan926@yahoo.co.in; bruckman@mail.chem.sc.edu; niu.z@mail.chem.sc.edu; pingali@anl.gov; thiyaga@anl.gov; blee@aps.anl.gov; wang@mail.chem.sc.edu NR 0 TC 0 Z9 0 U1 0 U2 1 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 276-COLL PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593902025 ER PT J AU Kay, BD Kimmel, GA Petrik, NG Dohnalek, Z Smith, RS AF Kay, Bruce D. Kimmel, Greg A. Petrik, Nikolay G. Dohnalek, Zdenek Smith, R. Scott TI COMP 375-Growth, structure, and dynamics of nanoscale water films on various substrates SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 Pacific NW Natl Lab, Fundamental Sci Directorate, Richland, WA 99352 USA. Pacific NW Natl Lab, Inst Interfacial Catalysis, Richland, WA 99352 USA. EM bruce.kay@pnl.gov; gregory.kimmel@pnl.gov; Nikolai.Petrik@pnl.gov; zdenek.dohnalek@pnl.gov; zorro@pnl.gov RI Petrik, Nikolay/G-3267-2015 OI Petrik, Nikolay/0000-0001-7129-0752 NR 0 TC 0 Z9 0 U1 0 U2 2 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 375-COMP PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593906211 ER PT J AU Kelley, MJ Hoover, DG Trofimova, O AF Kelley, Michael J. Hoover, Dallas G. Trofimova, Olga TI COLL 479-Field study of surface nanolayer antimicrobial SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Kelley, Michael J.; Trofimova, Olga] Coll William & Mary, Dept Appl Sci, Newport News, VA 23606 USA. [Kelley, Michael J.; Trofimova, Olga] Coll William & Mary, Free Electron Laser Dept, Newport News, VA 23606 USA. [Kelley, Michael J.; Trofimova, Olga] Appl Res Ctr, Thomas Jefferson Natl Accelerator Facil, Newport News, VA 23606 USA. [Hoover, Dallas G.] Univ Delaware, Dept Anim & Food Sci, Newark, DE 19716 USA. EM mkelley@jlab.org; dgh@udel.edu NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 479-COLL PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593902294 ER PT J AU Kerisit, S Rosso, KM Dupuis, M Deskins, NA AF Kerisit, Sebastien Rosso, Kevin M. Dupuis, Michel Deskins, N. Aaron TI PHYS 123-Charge transfer across metal oxide interfaces SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Kerisit, Sebastien; Rosso, Kevin M.; Dupuis, Michel; Deskins, N. Aaron] Pacific NW Natl Lab, Div Chem & Mat Sci, Richland, WA 99352 USA. EM sebastien.kerisit@pnl.gov; kevin.rosso@pnl.gov; m_dupuis@pnl.gov; nathaniel.deskins@pnl.gov NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 123-PHYS PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593907245 ER PT J AU Kerisit, S Parker, SC Ilton, ES Liu, CX AF Kerisit, Sebastien Parker, Stephen C. Ilton, Eugene S. Liu, Chongxuan TI COMP 24-Molecular dynamics simulations of ion adsorption at the mineral-water interface SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Kerisit, Sebastien; Ilton, Eugene S.; Liu, Chongxuan] Pacific NW Natl Lab, Div Chem & Mat Sci, Richland, WA 99352 USA. [Parker, Stephen C.] Univ Bath, Dept Chem, Bath BA2 7AY, Avon, England. EM sebastien.kerisit@pnl.gov; Eugene.Ilton@pnl.gov; chongxuan.liu@pnl.gov RI Parker, Steve/C-8180-2011 OI Parker, Steve/0000-0003-3804-0975 NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 24-COMP PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593906148 ER PT J AU Kerr, K Subramaniam, G Lall-Ramnarine, SI Wishart, JF AF Kerr, Kijana Subramaniam, Gopal Lall-Ramnarine, Sharon I. Wishart, James F. TI Investigating the microwave assisted synthesis of ionic liquids SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Lall-Ramnarine, Sharon I.] CUNY Queensborough Community Coll, Dept Chem, New York, NY 11364 USA. [Subramaniam, Gopal] CUNY Queens Coll, Dept Chem & Biochem, Flushing, NY 11367 USA. [Wishart, James F.] Brookhaven Natl Lab, Dept Chem, Upton, NY 11973 USA. EM kijanakerr@gmail.com; gopal.subramaniam@qc.cuny.edu; slallramnarine@qcc.cuny.edu; wishart@bnl.gov NR 0 TC 0 Z9 0 U1 0 U2 2 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 244-CHED PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593904424 ER PT J AU Khoo, TL AF Khoo, T. L. TI Superheavy shell gaps from nobelium 2-quasiparticle energies SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Khoo, T. L.] Argonne Natl Lab, Div Phys, Argonne, IL 60439 USA. EM khoo@anl.gov NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 106-NUCL PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593904615 ER PT J AU Kim, SH Kim, J AF Kim, Seong H. Kim, Jungbae TI COLL 437-Highly active and stable enzyme-coated nanofibers for detection and decontamination SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Kim, Seong H.] Penn State Univ, Dept Chem Engn, University Pk, PA 16802 USA. [Kim, Jungbae] Pacific NW Natl Lab, Richland, WA 99352 USA. EM shkim@engr.psu.edu; Jungbae.Kim@pnl.gov NR 0 TC 0 Z9 0 U1 0 U2 2 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 437-COLL PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593902059 ER PT J AU Kim, SY Voter, AF AF Kim, Soo Young Voter, Arthur F. TI PHYS 433-Improvement of length scaling in the hyperdynamics method SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Kim, Soo Young] Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87544 USA. [Voter, Arthur F.] Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA. EM afv@lanl.gov NR 0 TC 0 Z9 0 U1 1 U2 2 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 433-PHYS PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593907633 ER PT J AU Kim, W Guo, MQ Yang, PD Wang, DJ AF Kim, Woong Guo, Mingquan Yang, Peidong Wang, Daojing TI ANYL 401-Microfabricated monolithic multinozzle emitters for nanoelectrospray mass spectrometry SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Kim, Woong; Yang, Peidong] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Mat Sci, Berkeley, CA 94720 USA. [Guo, Mingquan; Wang, Daojing] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Life Sci, Berkeley, CA 94720 USA. [Yang, Peidong] Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA. EM wkim@lbl.gov; p_yang@berkeley.edu; djwang@lbl.gov NR 0 TC 0 Z9 0 U1 0 U2 1 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 401-ANYL PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593901052 ER PT J AU Klaehn, JR Peterman, DR Harrup, MK Tillotson, RD Luther, TA Greenhalgh, MR Law, JD Daniels, LM AF Klaehn, John R. Peterman, Dean R. Harrup, Mason K. Tillotson, Richard D. Luther, Thomas A. Greenhalgh, Mitchell R. Law, Jack D. Daniels, Lee M. TI Symmetric and asymmetric dithiophosphinic acids for minor actinide extraction SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Klaehn, John R.; Harrup, Mason K.; Luther, Thomas A.] Idaho Natl Lab, Dept Chem Sci, Idaho Falls, ID 83415 USA. [Peterman, Dean R.; Tillotson, Richard D.; Greenhalgh, Mitchell R.; Law, Jack D.] Idaho Natl Lab, Aqueous Separat & Radiochem Dept, Idaho Falls, ID 83415 USA. [Daniels, Lee M.] Rigaku MSC Inc, The Woodlands, TX 77381 USA. EM john.klaehn@inl.gov; dean.peterman@inl.gov; mason.harrup@inl.gov; tillrd@inel.gov; thomas.luther@inl.gov; Jack.Law@inl.gov; ldaniels@RigakuMSC.com NR 0 TC 0 Z9 0 U1 1 U2 6 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 964-INOR PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593908771 ER PT J AU Klaehn, JR Orme, CJ Luther, TA Peterson, ES Urban-Klaehn, JM AF Klaehn, John R. Orme, Christopher J. Luther, Thomas A. Peterson, Eric S. Urban-Klaehn, Jagoda M. TI Polyimides and their derivatives for gas separation applications SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Klaehn, John R.; Orme, Christopher J.; Luther, Thomas A.; Peterson, Eric S.] Idaho Natl Lab, Dept Chem Sci, Idaho Falls, ID 83415 USA. [Urban-Klaehn, Jagoda M.] Idaho Accelerator Ctr, Pocatello, ID 83201 USA. EM john.klaehn@inl.gov; christopher.orme@inl.gov; thomas.luther@inl.gov; eric.peterson@inl.gov NR 0 TC 0 Z9 0 U1 0 U2 2 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 551-PMSE PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593905335 ER PT J AU Klein, RJ Fischer, DA Lenhart, JL AF Klein, Robert J. Fischer, Daniel A. Lenhart, Joseph L. TI NEXAFS and dynamic contact angle measurements of polystyrene treated with ultraviolet-ozone and annealed above Tg SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Klein, Robert J.; Lenhart, Joseph L.] Sandia Natl Labs, Organ Mat Dept, Albuquerque, NM 87185 USA. [Fischer, Daniel A.] Brookhaven Natl Lab, Natl Synchrotron Light Source, Upton, NY 11973 USA. EM rklein@sandia.gov; dfischer@bnl.gov; jllenha@sandia.gov NR 0 TC 0 Z9 0 U1 0 U2 1 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 344-PMSE PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593905697 ER PT J AU Knappenberger, KL Wong, DB Berkely, SR AF Knappenberger, Kenneth L., Jr. Wong, Daryl B. Leone, Stephen R. TI PHYS 387-Wavelength-dependent blinking statistics of single CdSe nanoparticles studied by fluorescence microscopy SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Knappenberger, Kenneth L., Jr.; Wong, Daryl B.; Leone, Stephen R.] Univ Calif Berkeley, Lawrence Berkeley Lab, Dept Chem, Berkeley, CA 94720 USA. [Leone, Stephen R.] Univ Calif Berkeley, Lawrence Berkeley Lab, Dept Phys, Berkeley, CA 94720 USA. EM KLKnappenberger@lbl.gov; srl@berkeley.edu NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 387-PHYS PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593907487 ER PT J AU Knight, DA Brown, GM Smithwick, R Ilgner, R AF Knight, Douglas A. Brown, Gilbert M. Smithwick, Robert, III Ilgner, Ralph TI INOR 86-Metal borohydrides as hydrogen storage materials: The study of the thermal decomposition of Al(BH4)3 SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Knight, Douglas A.; Brown, Gilbert M.; Smithwick, Robert, III; Ilgner, Ralph] Oak Ridge Natl Lab, Div Chem Sci, Oak Ridge, TN 37831 USA. EM knightda@ornl.gov; browngm1@ornl.gov NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 86-INOR PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593908733 ER PT J AU Kohl, RE Trewyn, BG Lin, VSY AF Kohl, Rose E. Trewyn, Brian G. Lin, Victor S-Y. TI Controlled functionalization and quantification of organic molecules on mesoporous silica nanoparticles SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Kohl, Rose E.; Trewyn, Brian G.; Lin, Victor S-Y.] Iowa State Univ Sci & Technol, Dept Chem, Ames, IA 50011 USA. [Trewyn, Brian G.; Lin, Victor S-Y.] Iowa State Univ Sci & Technol, Ames Lab, Ames, IA 50011 USA. EM rkohl@iastate.edu; bgtrewyn@iastate.edu; vsylin@iastate.edu NR 0 TC 0 Z9 0 U1 0 U2 1 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 278-CHED PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593904139 ER PT J AU Kose, ME Kim, K Shaheen, SE Rumbles, G Kopidakis, N AF Kose, Muhammet Erkan Kim, Kwiseon Shaheen, Sean E. Rumbles, Garry Kopidakis, Nikos TI COMP 53-Theoretical studies on phenyl cored thiophene dendrimers SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Kose, Muhammet Erkan; Kim, Kwiseon] Natl Renewable Energy Lab, Ctr Comp Sci, Golden, CO 80401 USA. [Shaheen, Sean E.] Natl Renewable Energy Lab, Natl Ctr Photovolta, Golden, CO 80401 USA. [Rumbles, Garry; Kopidakis, Nikos] Natl Renewable Energy Lab, Ctr Basic Sci, Golden, CO 80401 USA. EM Muhammet_Kose@nrel.gov; sshaheen@nrel.gov; garry_rumbles@nrel.gov RI Shaheen, Sean/M-7893-2013; Kopidakis, Nikos/N-4777-2015 NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 53-COMP PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593906305 ER PT J AU Kowalski, K Valiev, M Hammond, JR AF Kowalski, Karol Valiev, Marat Hammond, Jeff R. TI PHYS 200-New high-level coupled-cluster theories for modeling excited-state energies of biologically relevant systems SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Kowalski, Karol] Pacific NW Natl Lab, WR Wiley Environm Mol Sci Lab, Richland, WA 99352 USA. [Valiev, Marat] Environm Mol Sci Lab, Richland, WA 99352 USA. [Hammond, Jeff R.] Univ Chicago, Dept Chem, Ctr Integrat Sci, Chicago, IL 60637 USA. EM karol.kowalski@pnl.gov; marat.valiev@pnl.gov; jhammond@uchicago.edu NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 200-PHYS PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593907322 ER PT J AU Kraus, GA Lin, VSY AF Kraus, George A. Lin, Victor S-Y. TI I&EC 21-The reduction of polyols to diols SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Kraus, George A.; Lin, Victor S-Y.] Iowa State Univ, Dept Chem, Ames, IA 50011 USA. [Lin, Victor S-Y.] Iowa State Univ, Ames Lab, Ames, IA 50011 USA. EM gakraus@iastate.edu; vsylin@iastate.edu NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 21-IEC PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593903828 ER PT J AU Krumpelt, M AF Krumpelt, Michael TI Challenges in hydrocarbon reforming for fuel cell applications SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Krumpelt, Michael] Argonne Natl Lab, Div Chem Technol, Argonne, IL 60439 USA. EM krumpelt@cmt.anl.gov NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 116-FUEL PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593903480 ER PT J AU Kung, H AF Kung, Harriet TI ANYL 1-Basic research needs for electrical energy storage SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Kung, Harriet] US DOE, Off Basic Energy Sci, Washington, DC 20585 USA. EM harriet.kung@science.doe.gov NR 0 TC 0 Z9 0 U1 1 U2 4 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 1-ANYL PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593901346 ER PT J AU Kuo, IFW Schmidt, J Mundy, CJ McGrath, MJ Siepmann, JI AF Kuo, I. Feng W. Schmidt, Jochen Mundy, Christopher J. McGrath, Matthew J. Siepmann, J. Ilja TI COMP 476-Structural and dynamical properties of hydrogen bonded fluids from first principles molecular dynamics simulations in the isobaric-isothermal ensemble SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Kuo, I. Feng W.] Lawrence Livermore Natl Lab, Chem Mat & Life Sci Directorate, Livermore, CA 94551 USA. [Schmidt, Jochen] Max Planck Inst Polymer Res, Dept Spect, D-55128 Mainz, Germany. [Mundy, Christopher J.] Pacific NW Natl Lab, Div Chem & Mat Sci, Richland, WA 99352 USA. [McGrath, Matthew J.; Siepmann, J. Ilja] Univ Minnesota, Dept Chem, Minneapolis, MN 55455 USA. [Siepmann, J. Ilja] Univ Minnesota, Inst Supercomp, Minneapolis, MN 55455 USA. EM kuo2@llnl.gov; chris.mundy@pnl.gov; mcgrath@chem.umn.edu; siepmann@chem.umn.edu NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 476-COMP PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593906488 ER PT J AU Kuo, IFW Stanton, CL Mundy, CJ Laino, T Houk, KN AF Kuo, I. Feng W. Stanton, Courtney L. Mundy, Christopher J. Laino, Teodoro Houk, Kendall N. TI COMP 248-QM/MM study of orotidine-5'-monophosphate decarboxylase SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Kuo, I. Feng W.] Lawrence Livermore Natl Lab, Chem Mat & Life Sci Directorate, Livermore, CA 94551 USA. [Stanton, Courtney L.; Houk, Kendall N.] Univ Calif Los Angeles, Dept Chem & Biochem, Los Angeles, CA 90095 USA. [Mundy, Christopher J.] Pacific NW Natl Lab, Chem & Mat Sci Div, Richland, WA 99352 USA. Univ Zurich, Inst Phys Chem, CH-8057 Zurich, Switzerland. [Houk, Kendall N.] Univ Calif Los Angeles, Calif Nanosyst Inst, Los Angeles, CA 90095 USA. EM kuo2@llnl.gov; cstanton@chem.ucla.edu; chris.mundy@pnl.gov; tlaino@pci.unizh.ch RI Liu, Peng/D-1233-2013 NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 248-COMP PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593906365 ER PT J AU Kuznetsova, L Hu, MH Brinas, RP Lymar, E Qian, LP Hainfeld, JF AF Kuznetsova, Larisa Hu, Minghui Brinas, Raymond P. Lymar, Elena Qian, LuPing Hainfeld, James F. TI BIOL 100-Synthesis of photoactive gold nanoparticles and their evaluation for protein labeling SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Kuznetsova, Larisa; Hu, Minghui; Brinas, Raymond P.; Lymar, Elena; Qian, LuPing; Hainfeld, James F.] Brookhaven Natl Lab, Upton, NY 11973 USA. EM lkuznets@bnl.gov; rbrinas@bnl.gov NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 100-BIOL PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593900724 ER PT J AU Lacevic, N Gee, RH Fried, LE AF Lacevic, Naida Gee, Richard H. Fried, Laurence E. TI POLY 463-Structure and evolution of ordered domains in deeply quenched polyethylene melt SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Lacevic, Naida; Gee, Richard H.; Fried, Laurence E.] Lawrence Livermore Natl Lab, Chem Mat & Life Sci Directorate, Livermore, CA 94550 USA. EM lacevic2@llnl.gov RI Fried, Laurence/L-8714-2014 OI Fried, Laurence/0000-0002-9437-7700 NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 463-POLY PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593908112 ER PT J AU LaMont, SP Tandon, L Roensch, FR Steiner, RE Burns, C Wong, A AF LaMont, Stephen P. Tandon, Lay Roensch, Fred R. Steiner, Robert E. Burns, Carol Wong, Amy TI Certified reference materials for nuclear forensic measurements SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [LaMont, Stephen P.; Tandon, Lay; Roensch, Fred R.; Steiner, Robert E.; Burns, Carol; Wong, Amy] Los Alamos Natl Lab, Los Alamos, NM 87545 USA. EM lamont@lanl.gov; tandon@lanl.gov; froensch@lanl.gov; steiner@lanl.gov; cjb@lanl.gov NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 95-NUCL PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593904644 ER PT J AU Lascola, R Stone, ME Poirier, MR Herman, DT AF Lascola, Robert Stone, Michael E. Poirier, M. R. Herman, David T. TI Use of Raman spectroscopy to monitor waste processing SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Lascola, Robert; Stone, Michael E.; Poirier, M. R.; Herman, David T.] Washington Savannah River Co, Savannah River Natl Lab, Aiken, SC 29808 USA. EM robert.lascola@srnl.doe.gov NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 146-NUCL PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593904624 ER PT J AU Laskin, J Wang, P Hadjar, O AF Laskin, Julia Wang, Peng Hadjar, Omar TI ANYL 327-Surface modification using reactive landing of peptides onto self-assembled monolayer surfaces SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Laskin, Julia; Wang, Peng; Hadjar, Omar] Pacific NW Natl Lab, Richland, WA 99352 USA. EM Julia.Laskin@pnl.gov; peng.wang@pnl.gov; omar.hadjar@pnl.gov NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 327-ANYL PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593901104 ER PT J AU Lee, IY AF Lee, I-Yang TI Gamma-ray energy tracking detector SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Lee, I-Yang] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Nucl Sci, Berkeley, CA 94720 USA. EM iylee@lbl.gov NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 134-NUCL PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593904553 ER PT J AU Lee, SW Kwon, KY Lee, JH Chung, WJ AF Lee, Seung-Wuk Kwon, Ki-Young Lee, Jeong-Hee Chung, Woo-Jae TI COLL 300-Directed evolution of bone proteins and their therapeutic usage SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Lee, Seung-Wuk; Lee, Jeong-Hee; Chung, Woo-Jae] Univ Calif Berkeley, Dept Bioengn, Berkeley, CA 94720 USA. [Kwon, Ki-Young] Univ Calif Berkeley, Lawrence Berkeley Lab, Phys Biosci Div, Berkeley, CA 94720 USA. EM leesw@berkeley.edu NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 300-COLL PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593902502 ER PT J AU Lee, SHD Ahmed, S Ahluwalia, RK AF Lee, Sheldon H. D. Ahmed, Shabbir Ahluwalia, Rajesh K. TI FUEL 269-Hydrogen production by steam reforming of ethanol at elevated pressure SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Lee, Sheldon H. D.] Argonne Natl Lab, Div Chem Engn, Argonne, IL 60439 USA. [Ahluwalia, Rajesh K.] Argonne Natl Lab, Nucl Engn Div, Argonne, IL 60439 USA. EM lee@cmt.anl.gov; ahmed@cmt.anl.gov NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 269-FUEL PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593903698 ER PT J AU Lee, SJ Franz, JA Appel, AM DuBois, DL Bowden, TA AF Lee, Suh-Jane Franz, James A. Appel, Aaron M. DuBois, Daniel L. Bowden, Thomas A. TI INOR 805-S-H bond strengths and hydrogen abstraction kinetics of M(u-SH)M clusters, for M=Fe,Mo SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Lee, Suh-Jane; Franz, James A.; Appel, Aaron M.] Pacific NW Natl Lab, Fundamental Sci Div, Richland, WA 99352 USA. [DuBois, Daniel L.] Pacific NW Natl Lab, Chem & Mat Sci Div, Richland, WA 99352 USA. [Bowden, Thomas A.] Univ Oxford Queens Coll, Wellcome Trust Ctr Human Genet, Oxford OX1 4AW, England. EM suh-jane.lee@pnl.gov; james.franz@pnl.gov; aaron.appel@pnl.gov; daniel.dubois@pnl.gov; thomas.bowden@queens.ox.ac.uk NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 805-INOR PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593909616 ER PT J AU Lee, YS Nocera, DG Helton, JS Matan, K Shores, MP Nytko, EA Bartlett, BM Grohol, D Lynn, J Qiu, Y Chung, JH Nagler, SE Takano, Y AF Lee, Young S. Nocera, Daniel G. Helton, J. S. Matan, K. Shores, M. P. Nytko, Emily A. Bartlett, Bart M. Grohol, D. Lynn, J. Qiu, Y. Chung, J. H. Nagler, S. E. Takano, Y. TI INOR 421-The physics of frustration on the kagome lattice: The quest for the quantum spin liquid SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Lee, Young S.; Helton, J. S.; Matan, K.] MIT, Dept Phys, Cambridge, MA 02139 USA. [Nocera, Daniel G.; Shores, M. P.; Nytko, Emily A.; Bartlett, Bart M.; Grohol, D.] MIT, Dept Chem, Cambridge, MA 02139 USA. [Lynn, J.; Qiu, Y.; Chung, J. H.] Natl Inst Stand & Technol, Gaithersburg, MD 20899 USA. [Nagler, S. E.] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA. [Takano, Y.] Univ Florida, Dept Phys, Gainesville, FL 32611 USA. EM younglee@mit.edu; nocera@mit.edu; enytko@mit.edu; bartlett@mit.edu; naglerse@ornl.gov; takano@phys.ufl.edu RI Nagler, Stephen/E-4908-2010 OI Nagler, Stephen/0000-0002-7234-2339 NR 0 TC 0 Z9 0 U1 0 U2 6 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 421-INOR PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593909748 ER PT J AU Lehto, MA Wilkins, FT Duckwitz, NR AF Lehto, M. A. Wilkins, F. T. Duckwitz, N. R. TI Summary of nuclear operations at the Radioactive Scrap and Waste Facility (RSWF) SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Lehto, M. A.; Wilkins, F. T.; Duckwitz, N. R.] Idaho Natl Lab, Idaho Falls, ID 83415 USA. EM michael.lehto@anl.gov NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 151-NUCL PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593904669 ER PT J AU Leone, SR AF Leone, Stephen R. TI ANYL 337-Broadband coherent anti-Stokes Raman scattering microscopy SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Leone, Stephen R.] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Dept Chem, Berkeley, CA 94720 USA. [Leone, Stephen R.] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Dept Phys, Berkeley, CA 94720 USA. EM srl@berkeley.edu NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 337-ANYL PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593901026 ER PT J AU Letant, SE Herberg, J Dinh, LN Maxwell, RS Saab, AP AF Letant, Sonia E. Herberg, Julie Dinh, Long N. Maxwell, Robert S. Saab, Andrew P. TI INOR 997-Structure and catalytic activity of POSS-stabilized Pd nanoparticles SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Letant, Sonia E.; Herberg, Julie; Dinh, Long N.; Maxwell, Robert S.; Saab, Andrew P.] Lawrence Livermore Natl Lab, Livermore, CA 94551 USA. EM letant1@llnl.gov; herberg1@llnl.gov; dinh1@llnl.gov; maxwell7@llnl.gov; saab2@llnl.gov NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 997-INOR PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593909567 ER PT J AU Leung, K Nielsen, IMB Kurtz, I Medforth, CJ AF Leung, Kevin Nielsen, Ida M. B. Kurtz, Ira Medforth, Craig J. TI PHYS 305-Ab initio molecular dynamics study of nucleophilic attack of hydroxide on CO2 and manganese porphyrin hydration SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Kurtz, Ira] Univ Calif Los Angeles, Div Nephrol, Los Angeles, CA 94551 USA. [Medforth, Craig J.] Sandia Natl Labs, Adv Mat Lab, Albuquerque, NM 87106 USA. EM kleung@sandia.gov; ibniels@ca.sandia.gov; medforth@unm.edu NR 0 TC 0 Z9 0 U1 0 U2 1 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 305-PHYS PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593907501 ER PT J AU Leung, K AF Leung, Kevin TI COMP 443-Salt permeation in water-filled dipolar nanopores SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Leung, Kevin] Sandia Natl Labs, Albuquerque, NM 87185 USA. EM kleung@sandia.gov NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 443-COMP PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593906335 ER PT J AU Li, GH Chen, L Dimitrijevic, N Rajh, T Gray, KA AF Li, Gonghu Chen, Le Dimitrijevic, Nada Rajh, Tijana Gray, Kimberly A. TI CATL 33-Solar fuel applications of titania nanocomposites: Solid-solid interfaces for photoreduction of carbon dioxide SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Chen, Le] Northwestern Univ, Dept Civil & Environm Engn, Evanston, IL 60208 USA. [Rajh, Tijana] Argonne Natl Lab, Div Chem, Argonne, IL 60439 USA. [Rajh, Tijana] Ctr Nanoscale Mat, Argonne, IL 60439 USA. [Gray, Kimberly A.] Northwestern Univ, Inst Catalysis Energy Processes, Dept Civil & Environm Engn, Evanston, IL 60208 USA. EM dimitrijevic@anl.gov; rajh@anl.gov; k-gray@northwestern.edu NR 0 TC 0 Z9 0 U1 0 U2 2 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 33-CATL PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593900828 ER PT J AU Li, J AF Li, Jun TI Computational actinide chemistry: Are we there yet? SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Li, Jun] Pacific NW Natl Lab, William R Wiley Environm Mol Sci Lab, Richland, WA 99352 USA. EM jun.li@pnl.gov NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 116-NUCL PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593904654 ER PT J AU Li, SX Fryxell, GE Engelhard, M Wang, CM AF Li, Shari X. Fryxell, Glen E. Engelhard, Mark Wang, Chongmin TI INOR 553-The synthesis of cadmium or Ag doped mesoporous TiO2 SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Engelhard, Mark; Wang, Chongmin] Pacific NW Natl Lab, Environm Mol Sci Lab, Richland, WA 99352 USA. EM Xiaohong.Li@pnl.gov; glen.fryxell@pnl.gov; mark.engelhard@pnl.gov RI Engelhard, Mark/F-1317-2010 NR 0 TC 0 Z9 0 U1 0 U2 1 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 553-INOR PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593909658 ER PT J AU Li, X Hatcher, J Walker, HR McEntee, C Wishart, JF Lall-Ramnarine, SI AF Li, Xing Hatcher, Jasmine Walker, Hughton R. McEntee, Catherine Wishart, James F. Lall-Ramnarine, Sharon I. TI Synthesis of ionic liquids for toxicity studies SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Li, Xing; Lall-Ramnarine, Sharon I.] CUNY Queensborough Community Coll, Dept Chem, New York, NY 11364 USA. [Hatcher, Jasmine; Walker, Hughton R.] CUNY Queens Coll, Dept Chem & Biochem, Flushing, NY 11367 USA. [McEntee, Catherine] CUNY, Kingsborough Community Coll, Brooklyn, NY 11235 USA. [Wishart, James F.] Brookhaven Natl Lab, Dept Chem, Upton, NY 11973 USA. EM XLI89@tigermail.qcc.cuny.edu; msjhatcher@gmail.com; hughtonwalker@hotmail.com; CMcentee@Kingsborough.edu; wishart@bnl.gov; slallramnarine@qcc.cuny.edu NR 0 TC 0 Z9 0 U1 0 U2 1 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 250-CHED PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593904404 ER PT J AU Lichty, P AF Lichty, Peter TI Occupational medicine implications of nanoparticulates SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Lichty, Peter] Lawrence Berkeley Natl Lab, Hlth Serv, Oak Ridge, TN 37831 USA. NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 29-CHAS PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593901657 ER PT J AU Lin, VSY Chung, PW AF Lin, Victor S-Y. Chung, Po-Wen TI INOR 627-Synthesis, characterization and application of poly(N-isopropylacrylamide) coated mesoporous silica nanosphere SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Chung, Po-Wen] Iowa State Univ, Ames Lab, Dept Chem, Ames, IA 50011 USA. EM vsylin@iastate.edu; cedric@iastate.edu NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 627-INOR PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593909248 ER PT J AU Lin, YH Liu, GD Barry, R Wang, J Busby, A Timchalk, C AF Lin, Yuehe Liu, Guodong Barry, Richard Wang, Jun Busby, Andrea Timchalk, Chuck TI COLL 33-Nanoparticle labels/electrochemical immunosensor for rapid detection of biomarkers of nerve agent exposure SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Lin, Yuehe; Liu, Guodong; Barry, Richard; Wang, Jun; Busby, Andrea; Timchalk, Chuck] Pacific NW Natl Lab, Richland, WA 99352 USA. EM yuehe.lin@pnl.gov RI Lin, Yuehe/D-9762-2011 OI Lin, Yuehe/0000-0003-3791-7587 NR 0 TC 0 Z9 0 U1 1 U2 1 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 33-COLL PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593902383 ER PT J AU Liu, P Muckerman, JT Adzic, RR AF Liu, Ping Muckerman, James T. Adzic, Radoslav R. TI COLL 82-Interaction of Platinum with the stoichiometric RuO2(110) surface SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Liu, Ping; Muckerman, James T.; Adzic, Radoslav R.] Brookhaven Natl Lab, Dept Chem, Upton, NY 11973 USA. EM pingliu3@bnl.gov; muckerma@bnl.gov; adzic@bnl.gov RI Muckerman, James/D-8752-2013 NR 0 TC 0 Z9 0 U1 0 U2 1 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 82-COLL PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593902467 ER PT J AU Liu, Y AF Liu, Yi TI ORGN 119-Templated synthesis of desymmetrized [2]catenanes with excellent translational selectivity SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Liu, Yi] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA. EM yliu@lbl.gov NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 119-ORGN PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12JA UT WOS:000207594300859 ER PT J AU Lu, WC Zang, QJ Su, ZM Wang, CZ Ho, KM AF Lu, Wencai Zang, Q. J. Su, Z. M. Wang, C. Z. Ho, K. M. TI COMP 100-Oxidation pattern of small silicon oxide clusters SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Lu, Wencai] Jilin Univ, State Key Lab Theoret & Computat Chem, Changchun 130023, Peoples R China. [Zang, Q. J.; Su, Z. M.] NE Normal Univ, Inst Funct Mat Chem, Changchun, Peoples R China. [Wang, C. Z.; Ho, K. M.] US DOE, Ames Lab, Ames, IA 50011 USA. [Wang, C. Z.; Ho, K. M.] Iowa State Univ, Dept Phys & Astron, Ames, IA 50011 USA. EM wencailu@jlu.edu.cn NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 100-COMP PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593906234 ER PT J AU Lucero, MJ Niklasson, AMN Challacombe, M AF Lucero, Melissa J. Niklasson, Anders M. N. Challacombe, Matt TI PHYS 196-Non-linear conjugate gradient method for excited states: An initial step toward an efficient linear scaling solver for the RPA equations SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Lucero, Melissa J.; Niklasson, Anders M. N.; Challacombe, Matt] Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA. EM lucero@lanl.gov; amn@lanl.gov; MChalla@LANL.Gov NR 0 TC 0 Z9 0 U1 0 U2 1 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 196-PHYS PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593907498 ER PT J AU Lukens, WW McKeown, DA Buechele, AC Mueller, IS Shuh, DK Pegg, IL AF Lukens, Wayne W., Jr. McKeown, David A. Buechele, Andrew C. Mueller, Isabelle S. Shuh, David K. Pegg, Ian L. TI Behavior of technetium, rhenium, and ruthenium in glass wasteforms SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Shuh, David K.] Univ Calif Berkeley, Lawrence Berkeley Lab, Actinide Chem Grp, Div Chem Sci,Glenn T Seaborg Ctr, Berkeley, CA 94720 USA. [McKeown, David A.; Buechele, Andrew C.; Mueller, Isabelle S.; Pegg, Ian L.] Catholic Univ Amer, Vitreous State Lab, Washington, DC 20064 USA. EM wwlukens@lbl.gov NR 0 TC 0 Z9 0 U1 1 U2 4 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 155-NUCL PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593904580 ER PT J AU Luo, JH Zhao, YS Xu, HW Timofeeva, TV Daemen, LL Currier, RP Yang, DL Hickmott, DD AF Luo, Junhua Zhao, Yusheng Xu, Hongwu Timofeeva, Tatiana V. Daemen, Luke L. Currier, Robert P. Yang, Dali Hickmott, Donald D. TI INOR 449-Syntheses and characterizations of several metal-organic frameworks with asymetric ligands SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Luo, Junhua; Zhao, Yusheng; Daemen, Luke L.] Los Alamos Natl Lab, Los Alamos Neutron Sci Ctr, Los Alamos, NM 87545 USA. [Xu, Hongwu; Hickmott, Donald D.] Los Alamos Natl Lab, Div Earth & Environm Sci, Los Alamos, NM 87545 USA. [Timofeeva, Tatiana V.] New Mexico Highlands Univ, Dept Nat Sci, Las Vegas, NM 87701 USA. [Currier, Robert P.] Los Alamos Natl Lab, Div Chem, C ADI, Los Alamos, NM 87545 USA. [Yang, Dali] Los Alamos Natl Lab, Div Mat Sci & Technol, Los Alamos, NM 87545 USA. EM jhluo@lanl.gov; yzhao@lanl.gov RI Lujan Center, LANL/G-4896-2012; Luo, Junhua/G-8928-2011 OI Luo, Junhua/0000-0002-3179-7652 NR 0 TC 0 Z9 0 U1 0 U2 2 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 449-INOR PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593909607 ER PT J AU Luo, Z Kogerler, P Cao, R Hakim, IS Hill, CL AF Luo, Zhen Koegerler, Paul Cao, Rui Hakim, Imroz S. Hill, Craig L. TI INOR 717-Synthesis, structure and magnetic properties of a new dimeric silicotungstate: K9Na2H[-Cu2(H2O)SiW8O31]39H2O SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Luo, Zhen; Cao, Rui; Hakim, Imroz S.; Hill, Craig L.] Emory Univ, Dept Chem, Atlanta, GA 30322 USA. [Koegerler, Paul] Iowa State Univ, Ames Lab, Ames, IA 50011 USA. EM zluo@emory.edu; kogerler@ameslab.gov; rcao@emory.edu; chill@emory.edu RI Luo, Zhen/F-6819-2011 NR 0 TC 0 Z9 0 U1 1 U2 2 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 717-INOR PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593909028 ER PT J AU Luther, TA Harrup, MK McNally, JS Gering, KL Jamison, DK AF Luther, Thomas A. Harrup, Mason K. McNally, Joshua S. Gering, Kevin L. Jamison, David K. TI INOR 398-Cyclictriphosphazene derivatives as liquid electrolytes for lithium-ion batteries SO ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY LA English DT Meeting Abstract C1 [Luther, Thomas A.; Harrup, Mason K.; McNally, Joshua S.; Gering, Kevin L.; Jamison, David K.] Idaho Natl Lab, Dept Chem Sci, Idaho Falls, ID 83415 USA. EM thomas.luther@inl.gov; mason.harrup@inl.gov; joshua.mcnally@inl.gov NR 0 TC 0 Z9 0 U1 0 U2 1 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0065-7727 J9 ABSTR PAP AM CHEM S JI Abstr. Pap. Am. Chem. Soc. PD AUG 19 PY 2007 VL 234 MA 398-INOR PG 1 WC Chemistry, Multidisciplinary SC Chemistry GA V12IW UT WOS:000207593908796 ER EF