Alpha-decay properties of nuclei around neutron magic numbers  

作　　者：Ming Li Chu-Xin Chen Lan-Fang Xiao Yi Zhang Song Luo Xiao-Hua Li 

机构地区：[1]School of Nuclear Science and Technology,University of South China,Hengyang 421001,China [2]PET‑CT Center,Chenzhou First People’s Hospital,Chenzhou 423000,China [3]Hengyang Ecological Environment Monitor Center,Hengyang 421001,China [4]China Certification and Inspection Group,Hefei 230000,China [5]National Exemplary Base for International Science and Technology Collaboration of Nuclear Energy and Nuclear Safety,University of South China,Hengyang 421001,China [6]Cooperative Innovation Center for Nuclear Fuel Cycle Technology and Equipment,University of South China,Hengyang 421001,China [7]Key Laboratory of Low Dimensional Quantum Structures and Quantum Control,Hunan Normal University,Changsha 410081,China

出　　处：《Nuclear Science and Techniques》2025年第1期140-149,共10页核技术(英文)

基　　金：supported in part by the National Natural Science Foundation of China(Nos.12175100 and 11975132);Construct Program of the Key Discipline in Hunan Province,Research Foundation of Education Bureau of Hunan Province,China(Nos.21B0402,18A237 and 22A0305);Natural Science Foundation of Hunan Province,China(No.2018JJ2321);Innovation Group of Nuclear and Particle Physics in USC,Shandong Province Natural Science Foundation,China(No.ZR2022JQ04);Opening Project of Cooperative Innovation Center for Nuclear Fuel Cycle Technology and Equipment,University of South China(No.2019KFZ10);Hunan Provincial Innovation Foundation for Postgraduate(No.CX20230962).

摘　　要：By combining experimental α-decay energies and half-lives, the α-particle preformation factor for nuclei around neutron magic numbers N of 126, 152, and 162 were extracted using the two-potential approach. The nuclei around the shell closure were more tightly bound than adjacent nuclei. Additionally, based on the WS4 mass model (Wang et al., Phys. Lett.B 734, 215 (2014)), we extended the two-potential approach to predict the α-decay half-lives of nuclei around N values of178 and 184 with Z of 119 and 120. We believe that our findings will serve as guidelines for future experimental studies.

关 键 词：adecay Preformation factor Neutron magic number Heavy and superheavy nuclei 

分 类 号：O571.3[理学—粒子物理与原子核物理]