Systematic study of α decay half-lives based on Gamow–like model with a screened electrostatic barrier

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成果类型：

期刊论文

作者：

Cheng, Jun-Hao;Chen, Jiu-Long;Deng, Jun-Gang;Wu, Xi-Jun;Li, Xiao-Hua*;...

通讯作者：

Li, Xiao-Hua

作者机构：

[Cheng, Jun-Hao; Li, Xiao-Hua; Deng, Jun-Gang; Chen, Jiu-Long] Univ South China, Sch Nucl Sci & Technol, Hengyang 421001, Peoples R China.

[Wu, Xi-Jun] Univ South China, Sch Math & Phys, Hengyang 421001, Peoples R China.

[Li, Xiao-Hua] Univ South China, Cooperat Innovat Ctr Nucl Fuel Cycle Technol & Eq, Hengyang 421001, Peoples R China.

[Li, Xiao-Hua] Hunan Normal Univ, Key Lab Low Dimens Quantum Struct & Quantum Contr, Changsha 410081, Hunan, Peoples R China.

[Chu, Peng-Cheng] Qingdao Technol Univ, Sch Sci, Qingdao 266000, Shandong, Peoples R China.

通讯机构：

[Li, Xiao-Hua] U

Univ South China, Sch Nucl Sci & Technol, Hengyang 421001, Peoples R China.

语种：

英文

关键词：

alpha decay;Gamow-like model;Electrostatic shielding;Un-synthesized nuclei

期刊：

Nuclear Physics A

ISSN：

0375-9474

年：

2019

卷：

987

页码：

350-368

DOI：

10.1016/j.nuclphysa.2019.05.002

基金类别：

National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [11205083]; Construct Program of the Key Discipline in Hunan Province; Research Foundation of Education Bureau of Hunan Province, China [15A159, 18A237, 17C1354]; Natural Science Foundation of Hunan Province, ChinaNatural Science Foundation of Hunan Province [2015JJ3103, 2015JJ2123]; Innovation Group of Nuclear and Particle Physics in USC; double first class construct program of USC

机构署名：

本校为第一且通讯机构

院系归属：

机械工程学院

核科学技术学院

数理学院

摘要：

In the present work we systematically study alpha decay half-lives of Z > 51 nuclei using the modified Gamow-like model which includes the effects of the centrifugal potential and electrostatic shielding. For the case of even-even nuclei, this model contains two adjustable parameters: the parameter a related to the screened electrostatic barrier and the radius constant r(0), while for the case of odd-odd and odd-A nuclei, it is added a new parameter i.e. hindrance factor h which is used to describe the effect of an odd-proton and/or an odd-neutron. Our calculations can well reproduce the exper...

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Systematic study of α decay half-lives based on Gamow–like model with a screened electrostatic barrier

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