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

查看全文 作　　者：[1]刘昌奇;[1,2]韦峥;[1]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;[1,2]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

机构地区：[1]School of Nuclear Science and Technology, Lanzhou University, Lanzhou 730000, China;[2]Engineering Research Center for Neutron Application Technology, Ministry of Education, Lanzhou University, Lanzhou 730000, China

出　　处：《Chinese Physics C》索引2019年第43卷第6期,共7页

基　　金：Supported by the National Natural Science Foundation of China(11705071,11875155,11675069,21327801);NSAF(U1830102);NSFC-Nuclear Technology Innovation Joint Fund(U1867213);the DSTI Foundation of Gansu(2018ZX-07);the Fundamental Research Funds for the Central Universities(lzujbky-2017-13,lzujbky-2018-bt09,lzujbky-2019-bt09) 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 the 237 Np(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 the 237 Np(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. 关键词：neutron-induced FISSION REACTION FISSION process MONTE Carlo simulation potential-driving model 237Np

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

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