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| 基于壳模型单体密度矩阵的折叠模型质子弹性散射分析 | |
| 引用本文： | 胡泽华,孙伟力,田东风,张本爱. 基于壳模型单体密度矩阵的折叠模型质子弹性散射分析[J]. 中国物理 C, 2007, 31(2): 155-161 |
| 作者姓名： | 胡泽华 孙伟力 田东风 张本爱 |
| 作者单位： | [1]中国工程物理研究院北京研究生部,北京100088 [2]北京应用物理与计算数学研究所,北京100088 |
| 基金项目： | 中国工程物理研究院基金 |
| 摘 要： | 利用折叠模型计算得到折叠势实部并结合Koning和Delaroche光学势的虚部, 计算分析了质子与30—40S的弹性散射数据. 通过引入Woods-Saxon势下核壳模型单体密度矩阵, 消除了折叠模型计算中常用的定域近似. 分析比较了定域近似对折叠势以及弹性散射截面计算的影响. 计算结果与折叠模型以及JLM模型计算结果进行了比较. |
| 关 键 词： | 折叠模型 光学模型 壳模型 单体密度矩阵 弹性散射截面 |
| 收稿时间： | 2006-04-11 |
| 修稿时间： | 2006-04-11 |
Folding Model Analysis of Proton Elastic Scattering Based on the One-Body Density Matrix of Shell Model |
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| HU Ze-Hua,SUN Wei-Li,TIAN Dong-Feng,ZHANG Ben-Ai. Folding Model Analysis of Proton Elastic Scattering Based on the One-Body Density Matrix of Shell Model[J]. High Energy Physics and Nuclear Physics, 2007, 31(2): 155-161 | |
| Authors: | HU Ze-Hua SUN Wei-Li TIAN Dong-Feng ZHANG Ben-Ai |
| Affiliation: | 1.Graduate School, China Academy of Engineering Physics, Beijing 100088, China;2.Institute of Applied Physics and Computational Physics, Beijing 100088, China |
| Abstract: | By using the real part of the optical potential obtained in the folding model calculation and the imaginary part of the optical potential of Koning and Delaroche, the data of the proton elastic scattering off ^30-40S are calculated and analyzed. By introducing the one-body density matrix of nuclear shell model with Woods-Saxon potential, the local approximation which is usually used in the folding model can be eliminated. The effects of the local approximation on the folding potential and the cross sections of elastic scattering are analyzed. The calculated results are compared with those of the folding model and JLM model. |
| Keywords: | folding model optical model shell model one-body density matrix elastic scattering cross section |
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