| 高能核-核碰撞末态产生粒子的赝快度分布 |
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| 引用本文： | 董亚飞,姜志进,王增伟.高能核-核碰撞末态产生粒子的赝快度分布[J].上海理工大学学报,2008,30(6). |
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| 作者姓名： | 董亚飞 姜志进 王增伟 |
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| 作者单位： | 上海理工大学理学院,上海,200093 |
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| 基金项目： | 上海市重点学科资助项目
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| 摘 要： | 利用Glauber模型,讨论了重离子碰撞中的核子-核子碰撞数,并以此为基础,考虑了碰撞中核子的能量损失效应,给出了核-核碰撞末态多重数的赝快度分布随碰撞参数的变化方程.并用其分析了BRAHMS合作组在√sNN=200 GeV的Au+Au碰撞中的实验测量,所得结果与实验相符合.
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| 关 键 词： | Glauber模型 核-核碰撞 核子-核子碰撞数 赝快度分布 |
Particle pseudorapidity distribution in nucleus-nucleus collisions at high energy |
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| DONG Ya-fei,JIANG Zhi-jin,WANG Zeng-wei.Particle pseudorapidity distribution in nucleus-nucleus collisions at high energy[J].Journal of University of Shanghai For Science and Technology,2008,30(6). |
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| Authors: | DONG Ya-fei JIANG Zhi-jin WANG Zeng-wei |
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| Institution: | DONG Ya-fei,JIANG Zhi-jin,WANG Zeng-wei(College of Science,University of Shanghai for Science , Technology,Shanghai 200093,China) |
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| Abstract: | By using Glauber model,the number of nucleon-nucleon collisions in heavy-ion collisions was discussed,based on which,after considering the effect of energy loss of nucleons in collisions,the pseudorapidity distribution against impact parameter for multiplicity in final state in nucleus-nucleus collisions was presented,and by employing it,the experimental measurement carried out by BRAHMS Collaboration in Au+Au collisions atsNN=200 GeV was analyzed.The results are in good agreement with experimental observat... |
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| Keywords: | glauber model nucleus-nucleus collisions number of nucleon-nucleon collisions pseudorapidity distribution |
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