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Energy and centrality dependences of charged multiplicity density in relativistic nuclear collisions
Sa, BH; Bonasera, A; Tai, A; Zhou, DM; Sa, BH , China Inst Atom Energy, POB 275 18, Beijing 102413, Peoples R China.
2002
发表期刊PHYSICS LETTERS B
ISSN0370-2693
卷号537期号:40972页码:268-274
摘要Using a hadron and string cascade model, JPCIAE, the energy and centrality dependences of charged particle pseudorapidity density in relativistic nuclear collisions were studied. Within the framework of this model, both the relativistic p + (p) over bar experimental data and the PHOBOS and PHENIX Au + Au data at roots(nn) = 130 GeV could be reproduced fairly well without retuning the model parameters. The predictions for full RHIC energy Au + Au collisions and for Pb + Pb collisions at the ALICE energy were also given. We computed participant nucleon distributions using different methods. It was found that the number of participant nucleons is not a well defined variable both experimentally and theoretically. Therefore, it may be inappropriate to use the charged particle pseudorapidity density per participant pair as a function of the number of participant nucleons for distinguishing various theoretical models. (C) 2002 Elsevier Science B.V. All rights reserved.
部门归属China Inst Atom Energy, Beijing 102413, Peoples R China; Ist Nazl Fis Nucl, Lab Nazl Sud, I-95132 Catania, Italy; Univ Calif Los Angeles, Dept Phys & Astron, Los Angeles, CA 90095 USA; Huazhong Normal Univ, Inst Particle Phys, Wuhan 430079, Peoples R China; CCAST, World Lab, Beijing 100080, Peoples R China; Acad Sinica, Inst Theoret Phys, Beijing 100080, Peoples R China
关键词Heavy-ion Collisions Particle Multiplicity Microscopic Models Au Collisions Hadron Suppression Transition Venus
学科领域Physics
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收录类别SCI
WOS记录号WOS:000176556900013
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被引频次:11[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/13499
专题理论物理所1978-2010年知识产出
通讯作者Sa, BH , China Inst Atom Energy, POB 275 18, Beijing 102413, Peoples R China.
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Sa, BH,Bonasera, A,Tai, A,et al. Energy and centrality dependences of charged multiplicity density in relativistic nuclear collisions[J]. PHYSICS LETTERS B,2002,537(40972):268-274.
APA Sa, BH,Bonasera, A,Tai, A,Zhou, DM,&Sa, BH , China Inst Atom Energy, POB 275 18, Beijing 102413, Peoples R China..(2002).Energy and centrality dependences of charged multiplicity density in relativistic nuclear collisions.PHYSICS LETTERS B,537(40972),268-274.
MLA Sa, BH,et al."Energy and centrality dependences of charged multiplicity density in relativistic nuclear collisions".PHYSICS LETTERS B 537.40972(2002):268-274.
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