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题名: Modified string fragmentation function and particle production in nuclear collisions at top RHIC energy
作者: Sa, BH ;  Tai, A
刊名: JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS
出版日期: 2005
卷号: 31, 期号:9, 页码:1031-1037
关键词: HEAVY-ION COLLISIONS ;  PHI-MESON PRODUCTION ;  FINAL-STATE INTERACTIONS ;  FIRECRACKER MODEL ;  ENHANCEMENT ;  SCATTERING ;  MATTER
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; Univ Calif Los Angeles, Dept Phys & Astron, Los Angeles, CA 90095 USA; Huazhong Normal Univ, Inst Particle Phys, Wuhan 430079, Peoples R China; Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China
英文摘要: A modified string fragmentation function is assumed in a hadron and string cascade model, LUCIAE (m), accounting for interactions among strings formed at the early stage of relativisti-C nucleus-nucleus collisions. It turns out that the experimental data of global properties such as the charged multiplicity and the phi meson rapidity density at mid-rapidity in p+p, d+Au and Au+Au collisions at root s(NN) = 200 GeV are reproduced well by LUCIAE (in) rather than by LUCIAE (d) (default LUCIAE). However, LUCIAE (m) fails to account for the suppression of a high p(t) transverse momentum spectrum observed in central Au+Au collisions at RHIC, even. if final state rescatterings among produced hadrons are included in the calculations. This fact indicates that some novel mechanism has to be introduced to understand the suppression of hadron production at high p(t).
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000232239400006
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/13758
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,Tai, A. Modified string fragmentation function and particle production in nuclear collisions at top RHIC energy[J]. JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS,2005,31(9):1031-1037.
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