Strongly screened electron capture rates of chromium isotopes in presupernova evolution

• 作 者: Jing-Jing Liu Qiu-He Peng Lian
• 机 构: CollegeofMarineScienceandTechnology,DepartmentofAstronomy
• 出 处: 天文和天体物理学研究：英文版
• 发表日期: 2017年10期
• 关键词: 筛选模型 电子俘获 捕获率 同位素 天体演化 蒙特卡罗方法 线性响应理论 数值模拟方法 nuclear reactions -- electron captur
• 基金项目: supported in part by the National Natural Science Foundation of China (Grant Nos. 11565020 and 10773005),,the Counterpart Foundation of Sanya (Grant 2016PT43),,the Special Foundation of Science and Te

Taking into account the effect of electron screening on electron energy and electron capture threshold energy, by using the method of Shell-Model Monte Carlo and random phase approximation theory, we investigate the capture rates of chromium isotopes with