| Neutronics studies of solid sargets for spallation neutron source using Monte Carlo simulation |
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| 作者姓名： | 殷雯 梁九卿 |
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| 作者单位： | Institute of Theoretical Physics, Shanxi University, Taiyuan 030006, China; Institute of Physics, State Key Laboratory of Magnetism, Chinese Academy of Sciences, Beijing 100080, China;Institute of Theoretical Physics, Shanxi University, Taiyuan 030006, China |
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| 基金项目： | Project supported by the Program of International Cooperation of Science and Technology (Grant No 2002 CB713903) and the National Natural Science Foundation of China (Grant No 10075302). |
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| 摘 要： | Neutronics studies for a solid target have been done with Monte Carlo high-energy particle transport code NMTC/JAM,when the proton beam with high kinetic energy bombards the target.The effect of the main parameters of the target on the neutron flux is discussed to optimize the target,which will be used for the concept design of the target of spallation neutron source.A target with its aspect ratio 1.5:1 or 2:1 gives the highest neutron flux.Tungsten is the most acceptable material from the technical and economical points of view.Beryllium as a moderating reflector can increase the neutron flux effectively.
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| 关 键 词： | 中子物理 分裂 中子源 Monte－Carlo模拟 蒙特卡洛模拟 优化 |
| 收稿时间： | 2003-02-26 |
| 修稿时间： | 4/1/2003 12:00:00 AM |
Neutronics studies of solid targets for spallation neutron source using Monte Carlo simulation |
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| Yin Wen and Liang Jiu-Qing.Neutronics studies of solid sargets for spallation neutron source using Monte Carlo simulation[J].Chinese Physics B,2003,12(6):599-603. |
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| Authors: | Yin Wen and Liang Jiu-Qing |
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| Institution: | Institute of Theoretical Physics, Shanxi University, Taiyuan 030006, China; Institute of Theoretical Physics, Shanxi University, Taiyuan 030006, China; Institute of Physics, State Key Laboratory of Magnetism, Chinese Academy of Sciences, Beijing 100080, China |
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| Abstract: | Neutronics studies for a solid target have been done with Monte Carlo high-energy particle transport code NMTC/JAM, when the proton beam with high kinetic energy bombards the target. The effect of the main parameters of the target on the neutron flux is discussed to optimize the target, which will be used for the concept design of the target of spallation neutron source. A target with its aspect ratio 1.5:1 or 2:1 gives the highest neutron flux. Tungsten is the most acceptable material from the technical and economical points of view. Beryllium as a moderating reflector can increase the neutron flux effectively. |
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| Keywords: | spallation neutron source neutronics optimal target |
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