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核科学技术
Impact of finite-range tensor terms in the Gogny force on the β-decay of magic nuclei
Effects of finite-range tensor force on β-decay of magic and semimagic nuclei of~(34) Si,~(68,78) Ni, and~(132) Sn have been investigated using the self-consistent Hartree–Fock plus random-phase approximation model. The tensor force shifts the low-lying Gamow–Teller states downward and systematically improves the calculations of Q and log ft values. Consequently, it systematically reduces the deviations between the theoretical and experimental data and significantly improves the calculation of β-decay half-lives. This effect is similar to that of zero-range tensor force.
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Nuclear Science and Techniques
2021年07期
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