Journal
NUCLEAR SCIENCE AND TECHNIQUES
Volume 33, Issue 10, Pages -Publisher
SPRINGER SINGAPORE PTE LTD
DOI: 10.1007/s41365-022-01116-9
Keywords
2p radioactivity; Gamow-like model; Half-life; Excited state
Categories
Funding
- National Natural Science Foundation of China [12175100, 11975132]
- Construct Program of the Key Discipline in Hunan Province
- Research Foundation of the Education Bureau of Hunan Province, China [18A237]
- Natural Science Foundation of Hunan Province, China [2018JJ2321]
- Innovation Group of Nuclear and Particle Physics in USC
- Cooperative Innovation Center for Nuclear Fuel Cycle Technology and Equipment, University of South China [2019KFZ10]
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This study systematically investigated the two-proton radioactivity half-lives from the excited state of nuclei near the proton drip line using the Gamow-like model and modified Gamow-like model. The calculated results were highly consistent with theoretical values from other models, and it was found that the half-lives are strongly dependent on Q(2p) and l based on the analysis of the results.
In this study, we systematically investigated the two-proton (2p) radioactivity half-lives from the excited state of nuclei near the proton drip line within the Gamow-like model (GLM) and modified Gamow-like model (MGLM). The calculated results were highly consistent with the theoretical values obtained using the unified fission model [Chin. Phys. C 45, 124105 (2021)], effective liquid drop model, and generalized liquid drop model [Acta Phys. Sin 71, 062301 (2022)]. Furthermore, utilizing the GLM and MGLM, we predicted the 2p radioactivity half-lives from the excited state for some nuclei that are not yet available experimentally. Simultaneously, by analyzing the calculated results from these theoretical models, it was found that the half-lives are strongly dependent on Q(2p) and l.
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