Identified particle distributions in pp and Au+Au collisions at √sNN=200 GeV -: art. no. 112301

被引:396
|
作者
Adams, J [1 ]
Adler, C
Aggarwal, MM
Ahammed, Z
Amonett, J
Anderson, BD
Anderson, M
Arkhipkin, D
Averichev, GS
Badyal, SK
Balewski, J
Barannikova, O
Barnby, LS
Baudot, J
Bekele, S
Belaga, VV
Bellwied, R
Berger, J
Bezverkhny, BI
Bhardwaj, S
Bhaskar, P
Bhati, AK
Bichsel, H
Billmeier, A
Bland, LC
Blyth, CO
Bonner, BE
Botje, M
Boucham, A
Brandin, A
Bravar, A
Cadman, RV
Cai, XZ
Caines, H
Sánchez, MCD
Carroll, J
Castillo, J
Castro, M
Cebra, D
Chaloupka, P
Chattopadhyay, S
Chen, HF
Chen, Y
Chernenko, SP
Cherney, M
Chikanian, A
Choi, B
Christie, W
Coffin, JP
Cormier, TM
机构
[1] Univ Birmingham, Birmingham, W Midlands, England
[2] Argonne Natl Lab, Argonne, IL 60439 USA
[3] Brookhaven Natl Lab, Upton, NY 11973 USA
[4] Univ Calif Berkeley, Berkeley, CA 94720 USA
[5] Univ Calif Davis, Davis, CA 95616 USA
[6] Univ Calif Los Angeles, Los Angeles, CA 90095 USA
[7] Carnegie Mellon Univ, Pittsburgh, PA 15213 USA
[8] Creighton Univ, Omaha, NE 68178 USA
[9] Acad Sci Czech Republ, Inst Nucl Phys, CZ-25068 Rez, Czech Republic
[10] JINR, Lab High Energy, Dubna, Russia
[11] JINR, Particle Phys Lab, Dubna, Russia
[12] Goethe Univ Frankfurt, D-6000 Frankfurt, Germany
[13] Indiana Univ, Bloomington, IN 47408 USA
[14] Inst Phys, Bhubaneswar 751005, Orissa, India
[15] Inst Rech Subatom, Strasbourg, France
[16] Univ Jammu, Jammu 180001, India
[17] Kent State Univ, Kent, OH 44242 USA
[18] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA
[19] Max Planck Inst Phys & Astrophys, D-80805 Munich, Germany
[20] Michigan State Univ, E Lansing, MI 48824 USA
[21] Moscow Engn Phys Inst, Moscow 115409, Russia
[22] CUNY City Coll, New York, NY 10031 USA
[23] NIKHEF H, NL-1009 DB Amsterdam, Netherlands
[24] Ohio State Univ, Columbus, OH 43210 USA
[25] Panjab Univ, Chandigarh 160014, India
[26] Penn State Univ, University Pk, PA 16802 USA
[27] Inst High Energy Phys, Protvino, Russia
[28] Purdue Univ, W Lafayette, IN 47907 USA
[29] Univ Rajasthan, Jaipur 302004, Rajasthan, India
[30] Rice Univ, Houston, TX 77251 USA
[31] Univ Sao Paulo, Sao Paulo, Brazil
[32] Univ Sci & Technol China, Anhui 230027, Peoples R China
[33] Acad Sinica, Shanghai Inst Nucl Res, Shanghai 201800, Peoples R China
[34] SUBATECH, Nantes, France
[35] Texas A&M Univ, College Stn, TX 77843 USA
[36] Univ Texas, Austin, TX 78712 USA
[37] Valparaiso Univ, Valparaiso, IN 46383 USA
[38] Bhabha Atom Res Ctr, Ctr Variable Energy Cyclotron, Kolkata 700064, W Bengal, India
[39] Warsaw Univ Technol, Warsaw, Poland
[40] Univ Washington, Seattle, WA 98195 USA
[41] Wayne State Univ, Detroit, MI 48201 USA
[42] CCNU HZNU, Inst Particle Phys, Wuhan 430079, Peoples R China
[43] Yale Univ, New Haven, CT 06520 USA
[44] Univ Zagreb, HR-10002 Zagreb, Croatia
基金
巴西圣保罗研究基金会; 英国工程与自然科学研究理事会; 中国国家自然科学基金;
关键词
D O I
10.1103/PhysRevLett.92.112301
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
Transverse mass and rapidity distributions for charged pions, charged kaons, protons, and antiprotons are reported for roots(NN)=200 GeV pp and Au+Au collisions at Relativistic Heary Ion Collider (RHIC). Chemical and kinetic equilibrium model fits to our data reveal strong radial flow and long duration from chemical to kinetic freeze-out in central Au+Au collisions. The chemical freeze-out temperature appears to be independent of initial conditions at RHIC energies.
引用
收藏
页码:112301 / 1
页数:6
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