Monte Carlo simulation of fast neutron-induced fission of 237Np

被引：0
|
作者：
刘昌奇 [1 ]
韦峥 [1 ,2 ]
韩超 [1 ]
黄畅 [1 ]
黄智武 [1 ]
马占文 [1 ]
张双佼 [1 ]
彭少华 [1 ]
李卫敏 [1 ]
白晓厚 [1 ]
王俊润 [1 ,2 ]
卢小龙 [1 ,2 ]
张宇 [1 ,2 ]
徐大鹏 [1 ,2 ]
苏小东 [1 ,2 ]
姚泽恩 [1 ,2 ]
机构：
[1] School of Nuclear Science and Technology Lanzhou University
[2] Engineering Research Center for Neutron Application Technology Ministry of Education Lanzhou University
来源：
Chinese Physics C | 2019年 / 43卷 / 06期
基金：
中央高校基本科研业务费专项资金资助; 中国国家自然科学基金;
关键词：
neutron-induced fission reaction; fission process; Monte Carlo simulation; potential-driving model; 237Np;
D O I：
暂无
中图分类号：
O571.5 [中子物理];
学科分类号：
0827 ; 082701 ;
摘要：
The potential-driving model is used to describe the driving potential distribution and to calculate the preneutron emission mass distributions for different incident energies in the237Np(n, f)reaction. The potential-driving model is implemented in Geant4 and used to calculate the fission-fragment yield distributions, kinetic energy distributions, fission neutron spectrum and the total nubar for the237Np(n, f)reaction. Compared with the built-in G4 ParaFissionModel, the calculated results from the potential-driving model are in better agreement with the experimental data and evaluated data. Given the good agreement with the experimental data, the potential-driving model in Geant4 can describe well the neutron-induced fission of actinide nuclei, which is very important for the study of neutron transmutation physics and the design of a transmutation system.
引用
收藏
页码：18 / 24
页数：7
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