| Azimuthal distributions of final-state particles and fragments and transverse structure of emission source in high-energy nucleus-nucleus collisions |
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| 作者姓名： | 刘福虎 马引群 段麦英 |
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| 作者单位： | Department of Physics, Shanxi University,Taiyuan 030006, China;Department of Physics, Taiyuan Terchers College, Taiyuan 030001, China;Department of Nuclear Physics, China Institute of Atomic Energy,Beijing 102413, China;Department of Physics, Shanxi University,Taiyuan 030006, China |
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| 基金项目： | Project supported by the National Natural Science Foundation of China (Grant Nos 10275042 and 10475054),the Shanxi Provincial Natural Science Foundation (Grant No 20021006), and the
Shanxi Provincial Foundation for Returned Overseas Scholars. |
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| 摘 要： |
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| 关 键 词： | 方位分配 末态粒子 横向结构 发射源 高能核物理 核子碰撞 |
| 收稿时间： | 2005-03-24 |
| 修稿时间： | 2005-03-242005-05-16 |
Azimuthal distributions of final-state particles and fragments and transverse structure of emission source in high-energy nucleus--nucleus collisions |
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| Liu Fu-Hu,Ma Yin-Qun and Duan Mai-Ying.Azimuthal distributions of final-state particles and fragments and transverse structure of emission source in high-energy nucleus-nucleus collisions[J].Chinese Physics B,2005,14(12):2458-2466. |
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| Authors: | Liu Fu-Hu Ma Yin-Qun and Duan Mai-Ying |
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| Institution: | Department of Physics, Shanxi University,Taiyuan 030006, China; Department of Physics, Taiyuan Terchers College, Taiyuan 030001, China;Department of Nuclear Physics, China Institute of Atomic Energy,Beijing 102413, China |
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| Abstract: | The azimuthal distributions of final-state particles and fragments produced in high-energy nucleus--nucleus collisions are described by a modified multisource ideal gas model which contains the expansions and movements of the emission sources. The transverse structures of the sources are
given in the transverse plane by momentum components p_x and p_y,and described by parameters in the model. The results of the azimuthal distributions, calculated by the Monte Carlo method, are in good agreement with the experimental data in nucleus--nucleus collisions at high energies. |
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| Keywords: | high-energy nucleus--nucleus collisions final-state particles and fragments azimuthal distributions transverse structure of emission source |
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