| 中子与52Cr反应截面的理论分析 |
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| 引用本文： | 韩银录. 中子与52Cr反应截面的理论分析[J]. 中国物理 C, 2004, 28(5): 512-515 |
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| 作者姓名： | 韩银录 |
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| 作者单位： | 韩银录（中国原子能科学研究院,北京,102413） |
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| 基金项目： | 国家重点基础研究发展规划项目(G1999022603)资助 |
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| 摘 要： | 根据中子与天然核Cr及其同位素反应的总截面,去弹性散射截面和弹性散射角分布的实验数据,获得了入射中子能量从1MeV—250MeV的一组普适中子与Cr及其同位素反应的光学模型势参数.应用光学模型,扭曲波玻恩近似理论,宽度涨落修正的Hauser-Feshbach理论,和预平衡反应的激子模型,计算和分析了中子与52Cr反应的所有截面、角分布、能谱和双微分截面.理论计算与实验数据进行了分析比较.
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| 关 键 词： | 光学模型势 扭曲波玻恩近似理论 激子模型 |
| 收稿时间： | 2003-10-09 |
Theoretical Analysis of Cross Sections for n+52Cr Reaction |
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| HAN Yin-Lu). Theoretical Analysis of Cross Sections for n+52Cr Reaction[J]. High Energy Physics and Nuclear Physics, 2004, 28(5): 512-515 |
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| Authors: | HAN Yin-Lu) |
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| Affiliation: | HAN Yin-Lu1) |
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| Abstract: | Based on experimental data of total, nonelastic, elastic cross section and elastic scattering angular distribu-tions for n+Cr reactions, a set of neutron optical model potential parameters is obtained in the region of incident neutron energy from 1 to 250 MeV. The cross sections, angular distributions and double differential cross sections are calculated and analyzed by optical model, distorted wave Born approximation theory, the unified Hauser-Feshbach theory, and exciton model. The results indicate that the cross sections can be given for n+52Cr reactions which are all in good agreement with experimental data. |
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| Keywords: | optical model potential the distorted wave Born approximation exciton model |
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