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

来源：

PHYSICAL REVIEW LETTERS | 2004年 / 93卷 / 15期

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

页码：152302 / 1

页数：6

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