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Wan, N; Xu, C; Ren, ZZ; Wan, N (reprint author), Nanjing Univ, Inst Acoust, Dept Phys, Nanjing 210093, Jiangsu, Peoples R China.
Effects of electron screening on alpha-decay half-lives in different external environments
发表期刊PHYSICAL REVIEW C
语种英语
摘要In this paper, the electron screening effects on alpha-decay half-lives are investigated in different external environments, including a decays in neutral atoms, in metal, and in extremely strong magnetic-field environments. Systematic calculations of alpha-decay half-lives are performed for alpha emitters with proton number Z = 52-105. By taking into account the electron screening effects, the interaction potential between alpha particle and daughter nucleus, and the decay energy are both changed in external environments. From the numerical results, it is found that the alpha-decay half-lives in external environments are changed by a factor of from 5 x 10(-4)% to 11.46% due to the electron screening effects. Moreover, we find that the electron screening effect is closely related to the decay energy of the bare nucleus and its proton number. To measure the electron screening effects in experiments, it is suggested to select the alpha-decay candidates with relatively low decay energies and proper decay half-lives.
2015
卷号92期号:2页码:24301
学科领域Physics
DOIhttp://dx.doi.org/10.1103/PhysRevC.92.024301
收录类别SCI
项目资助者National Natural Science Foundation of China [11175085, 11235001, 11375086, 11120101005] ; National Natural Science Foundation of China [11175085, 11235001, 11375086, 11120101005] ; National Natural Science Foundation of China [11175085, 11235001, 11375086, 11120101005] ; National Natural Science Foundation of China [11175085, 11235001, 11375086, 11120101005] ; 973 Program of China [2013CB834400] ; 973 Program of China [2013CB834400] ; 973 Program of China [2013CB834400] ; 973 Program of China [2013CB834400] ; Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD) ; Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD) ; Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD) ; Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD) ; Open Project Program of the State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences [Y5KF141CJ1] ; Open Project Program of the State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences [Y5KF141CJ1] ; Open Project Program of the State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences [Y5KF141CJ1] ; Open Project Program of the State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences [Y5KF141CJ1]
引用统计
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/20903
专题理论物理所科研产出_SCI论文
通讯作者Wan, N (reprint author), Nanjing Univ, Inst Acoust, Dept Phys, Nanjing 210093, Jiangsu, Peoples R China.
推荐引用方式
GB/T 7714
Wan, N,Xu, C,Ren, ZZ,et al. Effects of electron screening on alpha-decay half-lives in different external environments[J]. PHYSICAL REVIEW C,2015,92(2):24301.
APA Wan, N,Xu, C,Ren, ZZ,&Wan, N .(2015).Effects of electron screening on alpha-decay half-lives in different external environments.PHYSICAL REVIEW C,92(2),24301.
MLA Wan, N,et al."Effects of electron screening on alpha-decay half-lives in different external environments".PHYSICAL REVIEW C 92.2(2015):24301.
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