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Report No.

Impact of tensor force on $$beta$$-decay of magic and semimagic nuclei

Minato, Futoshi; Bai, C. L.*

Effect of the tensor force on $$beta$$-decay is studied in the framework of the proton-neutron random-phase-approximation (RPA) with the Skyrme force. The investigation is performed for even-even sub-magic and magic nuclei, $$^{42}$$Si, $$^{68,78}$$Ni and $$^{132}$$Sn. The tensor correlation induces strong impact on low-lying Gamow-Teller state and its collectivity. In particular, it improves the $$beta$$-decay half-lives. $$Q$$ and $$ft$$ values are also investigated and compared with experimental data.



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Category:Physics, Multidisciplinary



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