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Modified string fragmentation function and particle production in nuclear collisions at top RHIC energy
Sa, BH; Tai, A; Sa, BH , China Inst Atom Energy, POB 275 18, Beijing 102413, Peoples R China.
2005
发表期刊JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS
ISSN0954-3899
卷号31期号:9页码:1031-1037
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).
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
关键词Heavy-ion Collisions Phi-meson Production Final-state Interactions Firecracker Model Enhancement Scattering Matter
学科领域Physics
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收录类别SCI
WOS记录号WOS:000232239400006
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被引频次:1[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/311006/13758
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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GB/T 7714
Sa, BH,Tai, A,Sa, BH , China Inst Atom Energy, POB 275 18, Beijing 102413, Peoples R China.. 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.
APA Sa, BH,Tai, A,&Sa, BH , China Inst Atom Energy, POB 275 18, Beijing 102413, Peoples R China..(2005).Modified string fragmentation function and particle production in nuclear collisions at top RHIC energy.JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS,31(9),1031-1037.
MLA Sa, BH,et al."Modified string fragmentation function and particle production in nuclear collisions at top RHIC energy".JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS 31.9(2005):1031-1037.
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