Evidence for a long-range component in the pion emission source in Au plus Au collisions at √sNN=200 GeV

被引：45
|
作者：
Adler, S. S. [1 ]
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.
Chung, P.
Cianciolo, V.
机构：
[1] Brookhaven Natl Lab, Upton, NY 11973 USA
[2] Abilene Christian Univ, Abilene, TX 79699 USA
[3] Acad Sinica, Inst Phys, Taipei 11529, Taiwan
[4] Banaras Hindu Univ, Dept Phys, Varanasi 221005, Uttar Pradesh, India
[5] Bhabha Atom Res Ctr, Bombay 400085, Maharashtra, India
[6] Univ Calif Riverside, Riverside, CA 92521 USA
[7] CIAE, Beijing, Peoples R China
[8] Univ Tokyo, Grad Sch Sci, Ctr Nucl Study, Bunkyo Ku, Tokyo 1130033, Japan
[9] Columbia Univ, New York, NY 10027 USA
[10] Nevis Labs, Irvington, NY 10533 USA
[11] CEA Saclay, Dapnia, F-91191 Gif Sur Yvette, France
[12] Univ Debrecen, H-4010 Debrecen, Hungary
[13] Eotvos Lorand Univ, ELTE, H-1117 Budapest, Hungary
[14] Florida State Univ, Tallahassee, FL 32306 USA
[15] Georgia State Univ, Atlanta, GA 30303 USA
[16] Hiroshima Univ, Higashihiroshima 7398526, Japan
[17] Inst High Energy Phys, State Res Ctr Russian Federat, Protvino 142281, Russia
[18] Iowa State Univ Sci & Technol, Ames, IA 50011 USA
[19] Joint Inst Nucl Res, Dubna 141980, Moscow Region, Russia
[20] Cyclotron Applicat Lab, KAERI, Seoul, South Korea
[21] Kangnung Natl Univ, Kangnung 210702, South Korea
[22] KEK, High Energy Accelerator Res Org, Tsukuba, Ibaraki 3050801, Japan
[23] Hungarian Acad Sci, Res Inst Particle & Nucl Phys, KFKI, MTA RMKI, H-1525 Budapest, Hungary
[24] Korea Univ, Seoul 136701, South Korea
[25] IV Kurchatov Atom Energy Inst, Russian Res Ctr, Moscow 123182, Russia
[26] Kyoto Univ, Kyoto 6068502, Japan
[27] Ecole Polytech, CNRS, IN2P3, Lab Leprince Ringuet, F-91128 Palaiseau, France
[28] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA
[29] Los Alamos Natl Lab, Los Alamos, NM 87545 USA
[30] Univ Blaise Pascal, CNRS, IN2P3, LPC, F-63177 Aubiere, France
[31] Lund Univ, Dept Phys, SE-22100 Lund, Sweden
[32] Univ Munster, Inst Kernphys, D-48149 Munster, Germany
[33] Myongji Univ, Yongin 449728, Kyonggido, South Korea
[34] Nagasaki Inst Appl Sci, Nagasaki 8510193, Japan
[35] Univ New Mexico, Albuquerque, NM 87131 USA
[36] New Mexico State Univ, Las Cruces, NM 88003 USA
[37] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA
[38] Univ Paris 11, CNRS, IN2P3, IPN Orsay, F-91406 Orsay, France
[39] PNPI, Gatchina 188300, Leningrad, Russia
[40] RIKEN, Inst Phys & Chem Res, Wako, Saitama 3510198, Japan
[41] Brookhaven Natl Lab, RIKEN BNL Res Ctr, Upton, NY 11973 USA
[42] St Petersburg State Polytech Univ, St Petersburg, Russia
[43] Univ Sao Paulo, Inst Fis, BR-05315970 Sao Paulo, Brazil
[44] Seoul Natl Univ, Syst Elect Lab, Seoul, South Korea
[45] SUNY Stony Brook, Dept Chem, Stony Brook, NY 11794 USA
[46] SUNY Stony Brook, Dept Phys & Astron, Stony Brook, NY 11794 USA
[47] Univ Nantes, Ecole Mines Nantes, CNRS, IN2P3,SUBATECH, F-44307 Nantes, France
[48] Univ Tennessee, Knoxville, TN 37996 USA
[49] Tokyo Inst Technol, Dept Phys, Meguro Ku, Tokyo 1528551, Japan
[50] Univ Tsukuba, Inst Phys, Tsukuba, Ibaraki 305, Japan
来源：
PHYSICAL REVIEW LETTERS | 2007年 / 98卷 / 13期
关键词：
D O I：
10.1103/PhysRevLett.98.132301
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Emission source functions are extracted from correlation functions constructed from charged pions produced at midrapidity in Au+Au collisions at s(NN)=200 GeV. The source parameters extracted from these functions at low k(T) give first indications of a long tail for the pion emission source. The source extension cannot be explained solely by simple kinematic considerations. The possible role of a halo of secondary pions from resonance emissions is explored.
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收藏
页数：6
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