| Centrality dependences of the pseudorapidity distributions of charged particles in Au+Au collisions at RHIC energies |
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| 引用本文： | 姜志进,孙玉芬,倪卫新. Centrality dependences of the pseudorapidity distributions of charged particles in Au+Au collisions at RHIC energies[J]. 中国物理 C, 2010, 34(8): 1104-1110 |
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| 作者姓名： | 姜志进 孙玉芬 倪卫新 |
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| 作者单位： | Science College, Shanghai Science and Technology University, Shanghai 200093, China |
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| 基金项目： | Supported by Key Foundation of Shanghai （S30501） |
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| 摘 要： | By employing the Glauber model, we give the centrality dependences of the numbers of participants and binary nucleon-nucleon collisions in nucleus-nucleus collisions. By taking into account the energy loss of the participants in their multiple collisions, we then present the pseudorapidity distributions of charged particles in nucleus-nucleus collisions as a function of beam energy and impact parameter. Finally, we analyze the centrality dependence of the pseudorapidity of the charged particles in Au＋Au collisions at energies from √SNN=19.6 to 200 GeV. The theoretical results are in good agreement with the experimental observations of the RHIC-PHOBOS collaboration.
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| 关 键 词： | RHIC能量 带电粒子 碰撞数 Au 依赖性 Glauber模型 金 赝快度分布 |
| 收稿时间： | 2009-10-09 |
| 修稿时间： | 2010-03-13 |
Centrality dependences of the pseudorapidity distributions of charged particles in Au＋Au collisions at RHIC energies |
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| JIANG Zhi-Jin,SUN Yu-Fen,NI Wei-Xin. Centrality dependences of the pseudorapidity distributions of charged particles in Au＋Au collisions at RHIC energies[J]. High Energy Physics and Nuclear Physics, 2010, 34(8): 1104-1110 |
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| Authors: | JIANG Zhi-Jin SUN Yu-Fen NI Wei-Xin |
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| Affiliation: | Science College, Shanghai Science and Technology University, Shanghai 200093, China |
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| Abstract: | Glauber model, spectators, binary nucleomnucleon collisions, pseudorapidity distributions |
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| Keywords: | Glauber model spectators binary nucleomnucleon collisions pseudorapidity distributions |
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