Journal
JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS
Volume 47, Issue 12, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/1361-6471/ab920d
Keywords
weak-decay half-lives; superheavy nuclei; nuclear energy-density functional
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Funding
- Ministerio de Ciencia e Innovacion MCI/AEI/FEDER, UE (Spain) [PGC2018-093636-B-I00]
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Weak decays in heavy nuclei with charge numbers Z = 101-109 are studied within a microscopic formalism based on deformed self-consistent Skyrme Hartree-Fock mean-field calculations with pairing correlations. The half-lives of beta(+) decay and electron capture are compared with alpha-decay half-lives obtained from phenomenological formulas. Transfermium isotopes of Md, No, Lr, Rf, Db, Sg, Bh, Hs, and Mt that can be produced in the frontier of cold and hot fusion-evaporation channels are considered. Several isotopes are identified whose beta(+)/EC- and alpha-decay half-lives are comparable. The competition between these decay modes opens the possibility of new pathways towards the islands of stability.
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