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Measurement of Long-Range Angular Correlation and Quadrupole Anisotropy of Pions and (Anti)Protons in Central d+Au Collisions at sqrt[s_{NN}]=200 GeV.
Adare, A; Aidala, C; Ajitanand, N N; Akiba, Y; Akimoto, R; Al-Bataineh, H; Al-Ta'ani, H; Alexander, J; Andrews, K R; Angerami, A; Aoki, K; Apadula, N; Appelt, E; Aramaki, Y; Armendariz, R; Aschenauer, E C; Atomssa, E T; Averbeck, R; Awes, T C; Azmoun, B; Babintsev, V; Bai, M; Baksay, G; Baksay, L; Bannier, B; Barish, K N; Bassalleck, B; Basye, A T; Bathe, S; Baublis, V; Baumann, C; Bazilevsky, A; Belikov, S; Belmont, R; Ben-Benjamin, J; Bennett, R; Bhom, J H; Blau, D S; Bok, J S; Boyle, K; Brooks, M L; Broxmeyer, D; Buesching, H; Bumazhnov, V; Bunce, G; Butsyk, S; Campbell, S; Caringi, A; Castera, P; Chen, C-H.
Afiliación
  • Adare A; University of Colorado, Boulder, Colorado 80309, USA.
  • Aidala C; Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA.
  • Ajitanand NN; Department of Physics, University of Massachusetts, Amherst, Massachusetts 01003-9337, USA.
  • Akiba Y; Department of Physics, University of Michigan, Ann Arbor, Michigan 48109-1040, USA.
  • Akimoto R; Chemistry Department, Stony Brook University, SUNY, Stony Brook, New York 11794-3400, USA.
  • Al-Bataineh H; RIKEN Nishina Center for Accelerator-Based Science, Wako, Saitama 351-0198, Japan.
  • Al-Ta'ani H; RIKEN BNL Research Center, Brookhaven National Laboratory, Upton, New York 11973-5000, USA.
  • Alexander J; Center for Nuclear Study, Graduate School of Science, University of Tokyo, 7-3-1 Hongo, Bunkyo, Tokyo 113-0033, Japan.
  • Andrews KR; New Mexico State University, Las Cruces, New Mexico 88003, USA.
  • Angerami A; New Mexico State University, Las Cruces, New Mexico 88003, USA.
  • Aoki K; Chemistry Department, Stony Brook University, SUNY, Stony Brook, New York 11794-3400, USA.
  • Apadula N; Abilene Christian University, Abilene, Texas 79699, USA.
  • Appelt E; Columbia University, New York, New York 10027, USA and Nevis Laboratories, Irvington, New York 10533, USA.
  • Aramaki Y; Kyoto University, Kyoto 606-8502, Japan.
  • Armendariz R; RIKEN Nishina Center for Accelerator-Based Science, Wako, Saitama 351-0198, Japan.
  • Aschenauer EC; Department of Physics and Astronomy, Stony Brook University, SUNY, Stony Brook, New York 11794-3800, USA.
  • Atomssa ET; Vanderbilt University, Nashville, Tennessee 37235, USA.
  • Averbeck R; Center for Nuclear Study, Graduate School of Science, University of Tokyo, 7-3-1 Hongo, Bunkyo, Tokyo 113-0033, Japan.
  • Awes TC; RIKEN Nishina Center for Accelerator-Based Science, Wako, Saitama 351-0198, Japan.
  • Azmoun B; University of California-Riverside, Riverside, California 92521, USA.
  • Babintsev V; Physics Department, Brookhaven National Laboratory, Upton, New York 11973-5000, USA.
  • Bai M; Laboratoire Leprince-Ringuet, Ecole Polytechnique, CNRS-IN2P3, Route de Saclay, F-91128 Palaiseau, France.
  • Baksay G; Department of Physics and Astronomy, Stony Brook University, SUNY, Stony Brook, New York 11794-3800, USA.
  • Baksay L; Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, USA.
  • Bannier B; Physics Department, Brookhaven National Laboratory, Upton, New York 11973-5000, USA.
  • Barish KN; IHEP Protvino, State Research Center of Russian Federation, Institute for High Energy Physics, Protvino 142281, Russia.
  • Bassalleck B; Collider-Accelerator Department, Brookhaven National Laboratory, Upton, New York 11973-5000, USA.
  • Basye AT; Florida Institute of Technology, Melbourne, Florida 32901, USA.
  • Bathe S; Florida Institute of Technology, Melbourne, Florida 32901, USA.
  • Baublis V; Department of Physics and Astronomy, Stony Brook University, SUNY, Stony Brook, New York 11794-3800, USA.
  • Baumann C; University of California-Riverside, Riverside, California 92521, USA.
  • Bazilevsky A; University of New Mexico, Albuquerque, New Mexico 87131, USA.
  • Belikov S; Abilene Christian University, Abilene, Texas 79699, USA.
  • Belmont R; Baruch College, City University of New York, New York, New York 10010, USA.
  • Ben-Benjamin J; University of California-Riverside, Riverside, California 92521, USA.
  • Bennett R; RIKEN BNL Research Center, Brookhaven National Laboratory, Upton, New York 11973-5000, USA.
  • Bhom JH; PNPI, Petersburg Nuclear Physics Institute, Gatchina, Leningrad region 188300, Russia.
  • Blau DS; Institut fur Kernphysik, University of Muenster, D-48149 Muenster, Germany.
  • Bok JS; Physics Department, Brookhaven National Laboratory, Upton, New York 11973-5000, USA.
  • Boyle K; Physics Department, Brookhaven National Laboratory, Upton, New York 11973-5000, USA.
  • Brooks ML; Department of Physics, University of Michigan, Ann Arbor, Michigan 48109-1040, USA.
  • Broxmeyer D; Vanderbilt University, Nashville, Tennessee 37235, USA.
  • Buesching H; Muhlenberg College, Allentown, Pennsylvania 18104-5586, USA.
  • Bumazhnov V; Department of Physics and Astronomy, Stony Brook University, SUNY, Stony Brook, New York 11794-3800, USA.
  • Bunce G; Yonsei University, IPAP, Seoul 120-749, Korea.
  • Butsyk S; Russian Research Center "Kurchatov Institute," Moscow 123098, Russia.
  • Campbell S; New Mexico State University, Las Cruces, New Mexico 88003, USA.
  • Caringi A; Yonsei University, IPAP, Seoul 120-749, Korea.
  • Castera P; RIKEN BNL Research Center, Brookhaven National Laboratory, Upton, New York 11973-5000, USA.
  • Chen CH; Department of Physics and Astronomy, Stony Brook University, SUNY, Stony Brook, New York 11794-3800, USA.
Phys Rev Lett ; 114(19): 192301, 2015 May 15.
Article en En | MEDLINE | ID: mdl-26024164
ABSTRACT
We present azimuthal angular correlations between charged hadrons and energy deposited in calorimeter towers in central d+Au and minimum bias p+p collisions at sqrt[s_{NN}]=200 GeV. The charged hadron is measured at midrapidity |η|<0.35, and the energy is measured at large rapidity (-3.7<η<-3.1, Au-going direction). An enhanced near-side angular correlation across |Δη|>2.75 is observed in d+Au collisions. Using the event plane method applied to the Au-going energy distribution, we extract the anisotropy strength v_{2} for inclusive charged hadrons at midrapidity up to p_{T}=4.5 GeV/c. We also present the measurement of v_{2} for identified π^{±} and (anti)protons in central d+Au collisions, and observe a mass-ordering pattern similar to that seen in heavy-ion collisions. These results are compared with viscous hydrodynamic calculations and measurements from p+Pb at sqrt[s_{NN}]=5.02 TeV. The magnitude of the mass ordering in d+Au is found to be smaller than that in p+Pb collisions, which may indicate smaller radial flow in lower energy d+Au collisions.
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Bases de datos: MEDLINE Idioma: En Revista: Phys Rev Lett Año: 2015 Tipo del documento: Article País de afiliación: Estados Unidos
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Bases de datos: MEDLINE Idioma: En Revista: Phys Rev Lett Año: 2015 Tipo del documento: Article País de afiliación: Estados Unidos