期刊
PHYSICAL REVIEW C
卷 87, 期 5, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevC.87.051303
关键词
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资金
- National Natural Science Foundation of China [11205004, 11175001, 11105006]
- 211 Project of Anhui University [02303319-33190135]
- Talent Foundation of High Education of Anhui Province for Outstanding Youth [2011SQRL014]
- [24-02201]
- Grants-in-Aid for Scientific Research [12F02201] Funding Source: KAKEN
Self-consistent proton-neutron quasiparticle random phase approximation based on the spherical nonlinear point-coupling relativistic Hartree-Bogoliubov theory is established and used to investigate the beta(+)/electron-capture ( EC)-decay half-lives of neutron-deficient Ar, Ca, Ti, Fe, Ni, Zn, Cd, and Sn isotopes. The isoscalar proton-neutron pairing is found to play an important role in reducing the decay half-lives, which is consistent with the same mechanism in the beta decays of neutron-rich nuclei. The experimental beta(+)/EC-decay half-lives can be well reproduced by a universal isoscalar proton-neutron pairing strength.
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