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题名: Charge particle universal rapidity scaling in e(+)e(-), (p)over-bar+p and Au+Au collisions at relativistic energies and its partonic origin
作者: Sa, BH ;  Zhou, DM ;  Tan, ZG
刊名: JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS
出版日期: 2006
卷号: 32, 期号:3, 页码:243-250
关键词: LARGE-TRANSVERSE-MOMENTUM ;  HEAVY-ION COLLISIONS ;  NUCLEAR COLLISIONS ;  FIRECRACKER MODEL ;  0.9 TEV ;  QCD ;  RESCATTERING ;  SIMULATION ;  EVOLUTION ;  CASCADES
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; Acad Sinica, Inst Theoret Phys, Beijing 100080, Peoples R China
英文摘要: The BRAHMS and PHOBOS collaborations recently revisited the limiting fragmentation shown in the charged particle pseudorapidity density distribution in Au + Au collisions at RHIC energies. The PHOBOS collaboration especially emphasized that the observations of the charged particle universal (pseudo)rapidity scaling (limiting fragmentation) in e(+)e(-), (p) over bar + p and Au + Au collisions at relativistic energies may play an important role in the study of reaction dynamics. We use a parton and hadron cascade model, PACIAE, to investigate the charged particle universal (pseudo)rapidity scaling in the above collisions. It is pointed out that, because the universal scaling was observed in the tail region of the (pseudo)rapidity distributions, the discrepancies among distributions may not be properly visible. Therefore, this universal scaling may not have much to do with reaction dynamics, especially quark-gluon plasma. In addition, the charged particle universal scaling observed in the hadronic final state seems to arise from the partonic initial state.
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000236230000003
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/6031
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,Zhou, DM,Tan, ZG. Charge particle universal rapidity scaling in e(+)e(-), (p)over-bar+p and Au+Au collisions at relativistic energies and its partonic origin[J]. JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS,2006,32(3):243-250.
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