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Systematic study of α preformation probability of nuclear isomeric and ground states

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成果类型:
期刊论文
作者:
Sun, Xiao-Dong;Wu, Xi-Jun;Zheng, Bo;Xiang, Dong;Guo, Ping;Li, Xiao-Hua
通讯作者:
Li, X.-H.
作者机构:
School of Math and Physics, University of South China, Hengyang, 421001, China
School of Nuclear Science and Technology, University of South China, Hengyang, 421001, China
Cooperative Innovation Center for Nuclear Fuel Cycle Technology and Equipment, University of South China, Hengyang, 421001, China
[Sun, Xiao-Dong; Wu, Xi-Jun; Guo, Ping] School of Math and Physics, University of South China
[Zheng, Bo; Xiang, Dong; Li, Xiao-Hua] School of Nuclear Science and Technology, University of South China
通讯机构:
[Li, Xiao-Hua] Univ South China, Sch Nucl Sci & Technol, Hengyang 421001, Peoples R China.
[Li, Xiao-Hua] Univ South China, Cooperat Innovat Ctr Nucl Fuel Cycle Technol & Eq, Hengyang 421001, Peoples R China.
School of Nuclear Science and Technology, University of South China, Hengyang, China
语种:
英文
关键词:
nuclear isomer;two-potential approach;α decay;α preformation probability
期刊:
Chinese Physics. C
期刊(中文):
中国物理C:英文版
ISSN:
1674-1137
年:
2017
卷:
41
期:
1
页码:
014102-1-014102-7
基金类别:
Supported by National Natural Science Foundation of China(11205083); Construct Program of Key Discipline in Hunan Province; Rearch Foundation of Education Bureau of Hunan Province,China(15A159); Natural Science Foundation of Hunan Province,China(2015JJ3103,2015JJ2123); Innovation Group of Nuclear and Particle Physics in USC; Hunan Provincial Innovation Foundation for Postgraduate(CX2015B398);
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 this paper, based on the two-potential approach combining with the isospin dependent nuclear potential, we systematically compare the α preformation probabilities of odd-A nuclei between nuclear isomeric states and ground states. The results indicate that during the process of α particle preforming, the low lying nuclear isomeric states are similar to ground states. Meanwhile, in the framework of single nucleon energy level structure, we find that for nuclei with nucleon number below the magic numbers, the α preformation probabilities of high-spin states seem to be larger than low ones. For nuclei with nucleon number above the magic numbers, the α preformation probabilities of isomeric states are larger than those of ground states.

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