Abstract

In this work, the large-scale shell-model calculations for β-decay properties have been done. The β-delayed γ-ray spectroscopy has been performed recently at ILL, Grenoble [M. Si et al., Phys. Rev. C 106, 014302 (2022)] to study β-decay properties corresponding to 137Te ((7/2−)) → 137I (Jf) transitions. We have done systematic shell-model study for nuclear structure properties and compared the obtained results with the experimental data. Finally, the β-decay properties such as the log⁡ft values and average shape factors have been reported. This is the first theoretical calculation for the log⁡ft values corresponding to these new experimental data. In addition, we have also reported calculated log⁡ft results for 135Te ((7/2−)) → 135I (Jf) transitions.

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