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题名: Energy and centrality dependences of charged multiplicity density in relativistic nuclear collisions
作者: Sa, BH ;  Bonasera, A ;  Tai, A ;  Zhou, DM
刊名: PHYSICS LETTERS B
出版日期: 2002
卷号: 537, 期号:40972, 页码:268-274
关键词: HEAVY-ION COLLISIONS ;  PARTICLE MULTIPLICITY ;  MICROSCOPIC MODELS ;  AU COLLISIONS ;  HADRON ;  SUPPRESSION ;  TRANSITION ;  VENUS
学科分类: Physics
通讯作者: Sa, BH , China Inst Atom Energy, POB 275 18, Beijing 102413, Peoples R China.
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
英文摘要: 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.
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000176556900013
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/13499
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Recommended Citation:
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.
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