Now showing items 35-54 of 107

    • Energy dependence of directed flow over a wide range of pseudorapidity in Au + Au collisions at the BNL relativistic heavy ion collider 

      Back, B.B.; Baker, M.D.; Ballintijn, M.; Barton, D.S.; Betts, R.R.; Bickley, A.A.; Bindel, R.; Budzanowski, A.; Busza, W.; Carroll, A.; Chai, Z.; Decowski, M.P.; Garcia, E.; Gburek, T.; George, N.; Gulbrandsen, K.; Gushue, S.; Halliwell, C.; Hamblen, J.; Hauer, M.; Heintzelman, G.A.; Henderson, C.; Hofman, D.J.; Hollis, R.S.; Holynnski, R.; Holzman, B.; Iordanova, A.; Johnson, E.; Kane, J.L.; Katzy, J.; Khan, N.; Kucewicz, W.; Kulinich, P.; Kuo, C.M.; Lin, W.T.; Manly, S.; McLeod, D.; Mignerey, A.C.; Nouicer, R.; Olszewski, A.; Pak, R.; Park, I.C.; Pernegger, H.; Reed, C.; Remsberg, L.P.; Reuter, M.; Roland, C.; Roland, G.; Rosenberg, L.; Sagerer, J.; Sarin, P.; Sawicki, P.; Seals, H.; Sedykh, I.; Skulski, W.; Smith, C.E.; Stankiewicz, M.A.; Steinberg, P.; Stephans, G.S.F.; Sukhanov, A.; Tang, J.L.; Tonjes, M.B.; Trzupek, A.; Vale, C.; van Nieuwenhuizen, G.J.; Vaurynovich, S.S.; Verdier, R.; Veres, G.I.; Wenger, E.; Wolfs, F.L.H.; Wosiek, B.; Wozniak, K.; Wuosmaa, A.H.; Wyslouch, B. (American Physical Society, 2006-07-07)
      We report on measurements of directed flow as a function of pseudorapidity in Au + Au collisions at energies of root s(NN) = 19.6, 62.4, 130 and 200 GeV as measured by the PHOBOS detector at the BNL Relativistic Heavy Ion ...
    • Energy dependence of elliptic flow over a large pseudorapidity range in Au + Au collisions at the BNL relativistic heavy ion collider 

      Back, BB; Baker, MD; Ballintijn, M; Barton, DS; Betts, RR; Bickley, AA; Bindel, R; Budzanowski, A; Busza, W; Carroll, A; Chai, Z; Decowski, MP; Garcıa, E; Gburek, T; George, N; Gulbrandsen, K; Gushue, S; Halliwell, C; Hamblen, J; Hauer, M; Heintzelman, GA; Henderson, C; Hofman, DJ; Hollis, RS; Hołynski, R; Holzman, B; Iordanova, A; Johnson, E; Kane, JL; Katzy, J; Khan, N; Kucewicz, W; Kulinich, P; Kuo, CM; Lin, WT; Manly, S; McLeod, D; Mignerey, AC; Nouicer, R; Olszewski, A; Pak, R; Park, IC; Pernegger, H; Reed, C; Remsberg, LP; Reuter, M; Roland, C; Roland, G; Rosenberg, L; Sagerer, J; Sarin, P; Sawicki, P; Seals, H; Sedykh, I; Skulski, W; Smith, CE; Stankiewicz, MA; Steinberg, P; Stephans, GSF; Sukhanov, A; Tang, JL; Tonjes, MB; Trzupek, A; Vale, C; van Nieuwenhuizen, GJ; Vaurynovich, SS; Verdier, R; Veres, GI; Wenger, E; Wolfs, FLH; Wosiek, B; Wozniak, K; Wuosmaa, AH; Wysłouch, B (American Physical Society, 2005-04-01)
      This Letter describes the measurement of the energy dependence of elliptic flow for charged particles in Au+Au collisions using the PHOBOS detector at the Relativistic Heavy Ion Collider. Data taken at collision energies ...
    • Enhancing superconducting critical current by randomness 

      Wang, YL; Thoutam, LR; Xiao, ZL; Shen, B; Pearson, JE; Divan, R; Ocola, LE; Crabtree, GW; Kwok, WK (American Physical Society, 2016-01)
      The key ingredient of high critical currents in a type-II superconductor is defect sites that pin vortices. Contrary to earlier understanding on nanopatterned artificial pinning, here we show unequivocally the advantages ...
    • Enhancing superconducting critical current by randomness. 

      Wang, YL; Thoutam, LR; Xiao, ZL; Shen, B; Pearson, JE; Divan, R; Ocola, LE; Crabtree, GW; Kwok, WK (Physical Review B, 2016-01)
      The key ingredient of high critical currents in a type-II superconductor is defect sites that pin vortices. Contrary to earlier understanding on nanopatterned artificial pinning, here we show unequivocally the advantages ...
    • Enhancing the critical current of a superconducting film in a wide range of magnetic fields with a conformal array of nanoscale holes 

      Wang, Y. L.; Latimer, M. L.; Xiao, Z. L.; Divan, R.; Ocola, L. E.; Crabtree, G. W.; Kwok, W. K. (American Physical Society, 2013-06)
      The maximum current (critical current) a type-II superconductor can transmit without energy loss is limited by the motion of the quantized magnetic flux penetrating into a superconductor. Introducing nanoscale holes into ...
    • Erbium(III) Coordination at the Surface of an Aqueous Electrolyte 

      Bera, MK; Luo, G.; Schlossman, ML; Soderholm, L.; Lee, S.; Antonio, MR (American Chemical Society, 2015)
      Grazing-incidence (GI) X-ray absorption spectroscopy (XAS) under conditions of total external reflection is used to explore the coordination environment of the trivalent erbium ion, Er3+, at an electrolyte-vapor interface. ...
    • Experimental confirmation of Zener-polaron-type charge and orbital ordering in Pr1−xCaxMnO3 

      Wu, L.; Klie, R.F.; Zhu, Y.; Jooss, Ch. (American Physical Society, 2007-11)
      Pr1-xCaxMnO3 in the doping range between 0.3 < x < 0.5 represent an extremely interesting manganite system for the study of the interplay of different kinds of ordering (charge, orbital, lattice, and spin). While there is ...
    • Fabrication and characterization of SmO0.7F0.2FeAs bulk with a transition temperature of 56.5 K 

      Liu, Zhiyong; Ma, Lin; Zhao, Junjing; Yan, Binjie; Suo, Hongli (Springer Verlag, 2011-10)
      The superconductivity of iron-based superconductor SmO0.7F0.2FeAs was investigated. The SmO0.7F0.2FeAs sample was prepared by the two-step solid-state reaction method. The onset resistivity transition temperature is as ...
    • First-principles real-space study of electronic and optical excitations in rutile TiO2 nanocrystals. 

      Hung, L.; Baishya, K.; O¨ g˘ut, S. (American Physical Society, 2014-10)
      None
    • First-principles real-space study of electronic and optical excitations in rutile TiO2 nanocrystals. 

      Hung, L.G.; Baishya, K.; Ogut, S. (American Physical Society, 2014-10-17)
      We model rutile titanium dioxide nanocrystals (NCs) up to ∼1.5 nm in size to study the effects of quantum confinement on their electronic and optical properties. Ionization potentials (IPs) and electron affinities (EAs) are ...
    • First-principles study of compensation mechanisms in negatively charged LaGaO3/MgAl2O4 interfaces 

      Rebola, Alejandro; Fong, Dillon D.; Eastman, Jeffrey A.; Ogut, Serdar; Zapol, Peter (American Physical Society, 2013-06)
      Thin film oxide heterostructures with a bound charge at the interface require electrical compensation, which can involve redistribution of mobile charge carriers. We explore a model LaGaO3(001)//MgAl2O4(001) heterostructure ...
    • First-principles study of size- and edge-dependent properties of MXene nanoribbons 

      Hong, L.; Klie, R. F.; Öʇüt, S. (American Physical Society, 2016-03-09)
      We present results and analyses from first-principles calculations aimed at exploring the size- and edge-dependent properties of a wide range of MXene nanoribbons cut from two-dimensional (2D) semiconducting MXenes. The ...
    • First-principles study of the atomic and electronic structures of misfit-layered calcium cobaltite (Ca2CoO3)(CoO2)1.62 using rational approximants 

      Klie, Robert; Zapol, Peter; Öğüt, Serdar; Rébola, Alejandro (American Physical Society, 2012-04)
      The atomic and electronic structures of the misfit-layered thermoelectric oxide material Ca3Co4O9 are investigated using detailed first-principles computations performed within the framework of density functional theory ...
    • Flavor-tuned 125 GeV supersymmetric Higgs boson at the LHC: Test of minimal and natural supersymmetric models 

      Barger, Vernon; Huang, Peisi; Ishida, Muneyuki; Keung, Wai-Yee (American Physical Society, 2013-01)
      We show that an enhanced two-photon signal of the Higgs boson, h, observed with 125 GeV mass by the ATLAS and CMS collaborations, can be obtained if it is identified principally with the neutral H-u(0) of the two Higgs ...
    • Flooded Dark Matter and S level rise. 

      Randall, L; Scholtz, J; Unwin, J (Springer Verlag, 2016-03-03)
      Most dark matter models set the dark matter relic density by some interaction with Standard Model particles. Such models generally assume the existence of Standard Model particles early on, with the dark matter relic ...
    • Flows and polarization of early photons with magnetic field at strong coupling 

      Yee, Ho-Ung (American Physical Society, 2013-07)
      Recent experimental results from RHIC and LHC on hard photon emission rates in heavy-ion collisions indicate a large azimuthal asymmetry of photon emission rate parametrized by the elliptic flow v2. Motivated by a recent ...
    • Hidden order transition in URu2Si2: Evidence for the emergence of a coherent Anderson lattice from scanning tunneling spectroscopy 

      Yuan, Ting; Figgins, Jeremy; Morr, Dirk K. (American Physical Society, 2012-07)
      Using a slave-boson approach, we demonstrate that the differential conductance and quasiparticle interference pattern measured in recent scanning tunneling spectroscopy experiments [Schmidt et al., Nature (London) 465, 570 ...
    • Higgs CP properties from early LHC data 

      Freitas, A.; Schwaller, P. (American Physical Society, 2013-03)
      In this paper, we constrain CP violation in the Higgs sector using the measured signal strengths in the various Higgs search channels. To this end, we introduce a general parametrization for a resonance which is an admixture ...
    • High efficiency polycrystalline CdS/CdTe solar cells on buffered commercial TCO-coated glass 

      Colegrove, E.; Banai, R.; Blissett, C.; Buurma, C.; Ellsworth, J.; Morley, M.; Barnes, S.; Gilmore, C.; Bergeson, J.; Dhere, R.; Scott, M.; Gessert, T.; Sivananthan, Siva (Springer Verlag, 2012-10)
      Multiple polycrystalline CdS/CdTe solar cells with efficiencies greater than 15% were produced on buffered, commercially-available Pilkington TEC GlassTM at EPIR Technologies, Inc. (EPIR) and verified by the National ...
    • High energy neutrinos from neutralino annihilations in the Sun 

      Barger, Vernon; Keung, Wai-Yee; Shaughnessy, Gabe; Tregre, Adam (American Physical Society, 2007-11-16)
      Neutralino annihilations in the Sun to weak boson and top-quark pairs lead to high-energy neutrinos that can be detected by the IceCube and KM3 experiments in the search for neutralino dark matter. We calculate the neutrino ...