Impact of tensor force on β-decay of magic and semi-magic nuclei
Abstract
Effect of the tensor force on β?-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 semi-magic and magic nuclei, 34Si, 68, 78Ni and 132Sn. The tensor correlation induces strong impact on low-lying Gamow-Teller state. In particular, it improves the ?β-decay half-lives. Q and ft values are also investigated and compared with experimental data.
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