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题名: Charged multiplicity density and number of participant nucleons in relativistic nuclear collisions
作者: Sa, BH ;  Cai, X ;  Zhou, DM
刊名: COMMUNICATIONS IN THEORETICAL PHYSICS
出版日期: 2003
卷号: 39, 期号:2, 页码:212-218
关键词: HEAVY-ION COLLISIONS ;  PLUS AU COLLISIONS ;  CENTRALITY DEPENDENCE ;  PARTICLE MULTIPLICITY ;  MICROSCOPIC MODELS ;  ENERGY ;  HADRON ;  SUPPRESSION ;  TRANSITION
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; 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: The energy and centrality dependencies of charged particle pseudorapidity density in relativistic nuclear collisions were studied using a hadron and string cascade model, JPCIAE. Both the. relativistic p + (p) over bar experimental data and the PHOBOS and PHENIX Au+Au data at RHIC energy could be fairly reproduced within the framework of JPCIAE model and without retuning the model parameters. The predictions for Pb + Pb collisions at the LHC energy were also given. We computed the 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. Thus 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.
收录类别: SCI
WOS记录号: WOS:000181362500018
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/13358
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,Cai, X,Zhou, DM. Charged multiplicity density and number of participant nucleons in relativistic nuclear collisions[J]. COMMUNICATIONS IN THEORETICAL PHYSICS,2003,39(2):212-218.
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