Shell-model Study of Log Ft Values for 139,140,141Ba-*139,140,141La Transitions
Nuclear physics A(2024)
摘要
In the present work, beta -decay properties such as log ft values and half-lives have been systematically studied corresponding to Ba isotopes using large-scale shell -model calculations. An extensive comparison of beta decay results corresponding to 141Ba -* 141La using shell -model calculations is made with the recently available experimental data. In addition, we have also calculated the nuclear and beta decay properties corresponding to 139Ba -* 139La and 140Ba -* 140La transitions. The model -space considered here is Z = 50 - 82 and N = 82 - 126 with 132Sn core, and the interaction employed here is jj56pnb interaction. The beta decay results using shellmodel calculations for all the mentioned isotopes are compared with the available experimental data. This is the first theoretical interpretation corresponding to recent experimental data.
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关键词
Shell-model,Beta decay
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