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

被引：47

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.

引用

页数：6

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