论文摘要
We propose a dynamical description of the 136Xe + p spallation at 1000 MeV/nucleon with the aim of probing the mechanism which rules the production of intermediate-mass fragments（IMF）. The isospin-dependent quantum molecular dynamics（IQMD） model is used to describe the dynamical process of spallation until hot fragments with excitation energy less than a certain value Estop are formed. The statistical code GEMINI is applied to simulate the light-particle evaporation from hot fragments. It is found that IMF production is well described by the model when Estop= 2 MeV/nucleon is used. Comparison of the calculated mean neutron-to-proton ratio and the experimental data indicates that Estop should be 3 MeV/nucleon.
论文目录
文章来源
类型: 期刊论文
作者: 张凡,苏军
来源: Chinese Physics C 2019年02期
年度: 2019
分类: 基础科学,工程科技Ⅱ辑
专业: 物理学,核科学技术
单位: Department of Electronic Information and Physics, Changzhi University,Sino-French Institute of Nuclear Engineering and Technology, Sun Yat-sen University
基金: Supported by the National Natural Science Foundation of China(11405278)
分类号: O571
页码: 99-106
总页数: 8
文件大小: 1107K
下载量: 1
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