Calculation of optical model potential for n+<sup>232</sup>Th reaction

doi:10.11889/j.0253-3219.2013.hjs.36.060603

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Calculation of optical model potential for n+²³²Th reaction

更新时间：2021-03-05

- Calculation of optical model potential for n+²³²Th reaction
- NUCLEAR TECHNIQUES Vol. 36, Issue 6, Article number: 060603(2013)
- 作者机构：
  
  1. 中国科学院上海应用物理研究所嘉定园区
  2. 中国科学院大学
- 作者简介：
- 基金信息：
  
  中国科学院战略性先导科技专项资助项目(XDA02010200)
- DOI：10.11889/j.0253-3219.2013.hjs.36.060603
  CLC： O571.4
- Published：01 June 2013
- 稿件说明：
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Calculation of optical model potential for n+²³²Th reaction[J]. Nuclear techniques, 2013, 36(6): 060603
DOI：

Calculation of optical model potential for n+²³²Th reaction[J]. Nuclear techniques, 2013, 36(6): 060603 DOI： 10.11889/j.0253-3219.2013.hjs.36.060603.

摘要

利用光学模型、宽度涨落修正的Hauser-Feshbach理论对中子入射232Th核反应进行了研究。以总截面、去弹截面以及弹性散射角分布的实验数据为依据

得到了n+232Th核反应在0.1–20 MeV能量区域的一套中子光学模型势参数

并以此计算了该反应的总截面、弹性散射截面、去弹截面和弹性角分布截面。理论计算结果与实验数据符合较好。

Abstract

Background: Accurate nuclear data are needed for the development of molten salt reactors which use thorium as nuclear fuel.Purpose: We attempt to get an optimum set of optical potential parameters for 232Th with the incident neutron energy from 0.1 MeV to 20 MeV.Methods: APMN code which based on optical theory and Hauser-Feshbach theory with width fluctuation correction was used.Steepest descent method was adopted when the code seeks the optimum optical parameters automatically.Results: The comparison between the experimental data and the calculation results before and after adjusting the optical parameters shows that the calculation results after adjusting are in better agreement with the experimental data.This set of parameters could be used for nuclear data calculation.Conclusions: Based on the results it could provide a believable set of optical parameters for the neutron data evaluation.

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Calculation of optical model potential for n+232Th reaction

DOI：10.11889/j.0253-3219.2013.hjs.36.060603

摘要

Abstract

关键词

Keywords

references

Calculation of optical model potential for n+²³²Th reaction