| 裂变碎片核发射中子能谱及角分布的模拟计算 |
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| 引用本文： | 屈丛会,黎光武,徐家云,顾牡,刘小林,顾先宝,邵新生.裂变碎片核发射中子能谱及角分布的模拟计算[J].原子能科学技术,2008,42(6):481-484. |
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| 作者姓名： | 屈丛会 黎光武 徐家云 顾牡 刘小林 顾先宝 邵新生 |
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| 作者单位： | 1中国原子能科学研究院 ;核物理研究所，北京 102413； 2四川大学 ;物理科学与技术学院，四川 ;成都 610064；3同济大学 ;波尔固体物理研究所，上海 200092 ; |
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| 摘 要： | 采用蒙特卡罗方法研究252Cf自发二分裂变过程中裂变碎片核发射的中子能谱和中子角分布。文中给出了模拟计算的条件、步骤和模拟结果，详细分析了实际测量中252Cf自发二分裂变碎片核发射的中子能谱之间的相互干扰。该模拟分析与测量特定裂变碎片核的发射中子谱的实验研究密切配合，对相关实验具有指导性参考价值。
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| 关 键 词： | 蒙特卡罗方法 核裂变 裂变碎片 中子发射 |
| 收稿时间： | 2007-02-01 |
| 修稿时间： | 2007-05-20 |
Monte-Carlo Simulation of Energy and Angular Distributions of Emitted Neutrons From a Given Fission Fragment |
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| QU Cong-hui,LI Guang-wu,XU Jia-yun,GU Mu,LIU Xiao-lin,GU Xian-bao,SHAO Xin-sheng.Monte-Carlo Simulation of Energy and Angular Distributions of Emitted Neutrons From a Given Fission Fragment[J].Atomic Energy Science and Technology,2008,42(6):481-484. |
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| Authors: | QU Cong-hui LI Guang-wu XU Jia-yun GU Mu LIU Xiao-lin GU Xian-bao SHAO Xin-sheng |
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| Affiliation: | 1China Institute of Atomic Energy, P.O.Box 275-46, Beijing 102413, China;2.Institute of Physics Science and Technology, Sichuan University, Chengdu 610064, China;3.Pohl Institute of Solid State Physics, Tongji University, Shanghai 200092, China ; |
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| Abstract: | The neutron angular and energy distributions were calculated by using Monte-Carlo method for a given 252Cf binary fission fragment. The conditions and steps of the calculation were specified, and the results were presented. The interference
of the neutrons from one fragment to those from the complementary fragment was analyzed. This simulation could work with the measured neutron spectra for a given fission fragment and give a theoretical reference for the relevant experimental measurements. |
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| Keywords: | Monte-Carlo method nuclear fission fission fragment neutron emission |
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