Systematic study of two-proton radioactivity within a Gamow-like model Supported in part by the National Natural Science Foundation of China (11205083, 11975132), the Construct Program of the Key Discipline in Hunan Province, the Research Foundation of Education Bureau of Hunan Province, China (18A237), the Natural Science Foundation of Hunan Province, China (2018JJ2321), the Innovation Group of Nuclear and Particle Physics in USC, the Shandong Province Natural Science Foundation, China (ZR2019YQ01), the Hunan Provincial Innovation Foundation For Postgraduate (CX20200909) and the Opening Project of Cooperative Innovation Center for Nuclear Fuel Cycle Technology and Equipment, University of South China (2019KFZ10),Chinese Physics C

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Systematic study of two-proton radioactivity within a Gamow-like model Supported in part by the National Natural Science Foundation of China (11205083, 11975132), the Construct Program of the Key Discipline in Hunan Province, the Research Foundation of Education Bureau of Hunan Province, China (18A237), the Natural Science Foundation of Hunan Province, China (2018JJ2321), the Innovation Group of Nuclear and Particle Physics in USC, the Shandong Province Natural Science Foundation, China (ZR2019YQ01), the Hunan Provincial Innovation Foundation For Postgraduate (CX20200909) and the Opening Project of Cooperative Innovation Center for Nuclear Fuel Cycle Technology and Equipment, University of South China (2019KFZ10)
Chinese Physics C ( IF 3.6 ) Pub Date : 2021-03-25 , DOI: 10.1088/1674-1137/abe10f
Hong-Ming Liu ₁ , Xiao Pan ₁ , You-Tian Zou ₁ , Jiu-Long Chen _{1,

2} , Jun-Hao Cheng _{1,

3} , Biao He ₄ , Xiao-Hua Li _{1,

5,

6}

Affiliation

In this study, based on the Gamow-like model, we systematically analyze two-proton ( $2p$ ) radioactivity half-lives of nuclei near or beyond the proton drip line. It is found that the calculated results can reproduce experimental data well. Furthermore, using this model, we predict the half-lives of possible $2p$ radioactivity candidates whose $2p$ radioactivity is energetically allowed or observed but not yet quantified in the latest table of evaluated nuclear properties, i.e., NUBASE2016. The predicted results are in good agreement with those from other theoretical models and empirical formulas, namely the effective liquid drop model (ELDM), generalized liquid drop model (GLDM), Sreeja formula, and Liu formula.

更新日期：2021-03-25

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