Bose-Einstein correlations of charged pion pairs in Au+Au collisions at √sNN = 200 GeV -: art. no. 152302

被引:176
|
作者
Adler, SS [1 ]
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
机构
[1] Abilene Christian Univ, Abilene, TX 79699 USA
[2] Acad Sinica, Inst Phys, Taipei 11529, Taiwan
[3] Banaras Hindu Univ, Dept Phys, Varanasi 221005, Uttar Pradesh, India
[4] Bhabha Atom Res Ctr, Bombay 400085, Maharashtra, India
[5] Brookhaven Natl Lab, Upton, NY 11973 USA
[6] Univ Calif Riverside, Riverside, CA 92521 USA
[7] CIAE, Beijing, Peoples R China
[8] Univ Tokyo, Grad Sch Sci, Ctr Nucl Study, Tokyo 1130033, Japan
[9] Columbia Univ, New York, NY 10027 USA
[10] Nevis Labs, Irvington, NY 10533 USA
[11] CEA Saclay, F-91191 Gif Sur Yvette, France
[12] Univ Debrecen, H-4010 Debrecen, Hungary
[13] Florida State Univ, Tallahassee, FL 32306 USA
[14] Georgia State Univ, Atlanta, GA 30303 USA
[15] Hiroshima Univ, Higashihiroshima 7398526, Japan
[16] Inst High Energy Phys, Protvino, Russia
[17] Iowa State Univ Sci & Technol, Ames, IA 50011 USA
[18] Joint Inst Nucl Res, Dubna 141980, Russia
[19] Cyclotron Applicat Lab, KAERI, Seoul, South Korea
[20] Kangnung Natl Univ, Kangnung 210702, South Korea
[21] High Energy Accelerator Res Org, KEK, Tsukuba, Ibaraki 3050801, Japan
[22] KFKI Res Inst Particle & Nucl Phys RMKI, H-1525 Budapest 114, Hungary
[23] Korea Univ, Seoul 136701, South Korea
[24] IV Kurchatov Atom Energy Inst, Russian Res Ctr, Moscow 123182, Russia
[25] Kyoto Univ, Kyoto 606, Japan
[26] Ecole Polytech, CNRS IN2P3, Lab Leprince Ringuet, F-91128 Palaiseau, France
[27] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA
[28] Los Alamos Natl Lab, Los Alamos, NM 87545 USA
[29] Univ Clermont Ferrand, LPC, CNRS IN2P3, F-63177 Clermont Ferrand, France
[30] Lund Univ, Dept Phys, SE-22100 Lund, Sweden
[31] Univ Munster, Inst Kernphys, D-48149 Munster, Germany
[32] Myongji Univ, Yongin 449728, Kyonggido, South Korea
[33] Nagasaki Inst Appl Sci, Nagasaki 8510193, Japan
[34] Univ New Mexico, Albuquerque, NM 87131 USA
[35] New Mexico State Univ, Las Cruces, NM 88003 USA
[36] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA
[37] Univ Paris 11, IPN, CNRS IN2P3, F-91406 Orsay, France
[38] Petersburg Nucl Phys Inst, PNPI, Gatchina, Russia
[39] RIKEN, Inst Phys & Chem Res, Wako, Saitama 3510198, Japan
[40] Brookhaven Natl Lab, RIKEN BNL Res Ctr, Upton, NY 11973 USA
[41] St Petersburg State Univ, St Petersburg, Russia
[42] Univ Sao Paulo, Inst Fis, BR-05315970 Sao Paulo, Brazil
[43] Seoul Natl Univ, Syst Elect Lab, Seoul, South Korea
[44] SUNY Stony Brook, Dept Chem, Stony Brook, NY 11794 USA
[45] SUNY Stony Brook, Dept Phys & Astron, Stony Brook, NY 11794 USA
[46] Univ Nantes, SUBATECH, Ecole Mines Nantes, CNRS IN2P3, F-44307 Nantes, France
[47] Univ Tennessee, Knoxville, TN 37996 USA
[48] Tokyo Inst Technol, Dept Phys, Tokyo 1528551, Japan
[49] Univ Tsukuba, Inst Phys, Tsukuba, Ibaraki 305, Japan
[50] Vanderbilt Univ, Nashville, TN 37235 USA
基金
中国国家自然科学基金; 美国国家科学基金会; 匈牙利科学研究基金会; 日本学术振兴会; 巴西圣保罗研究基金会; 以色列科学基金会;
关键词
D O I
10.1103/PhysRevLett.93.152302
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
Bose-Einstein correlations of identically charged pion pairs were measured by the PHENIX experiment at midrapidity in Au+Au collisions at roots(NN)=200 GeV. The Bertsch-Pratt radius parameters were determined as a function of the transverse momentum of the pair and as a function of the centrality of the collision. Using the standard core-halo partial Coulomb fits, and a new parametrization which constrains the Coulomb fraction as determined from the unlike-sign pion correlation, the ratio R-out/R-side is within 0.8-1.1 for 0.25<<k(T)><1.2 GeV/c. The centrality dependence of all radii is well described by a linear scaling in N-part(1/3), and R-out/R-side for <k(T)>similar to0.45 GeV/c is approximately constant at unity as a function of centrality.
引用
收藏
页码:152302 / 1
页数:6
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