Electron-capture decay in isotopic transfermium chains from self-consistent calculations

Author:

Sarriguren PORCID

Abstract

Abstract 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 β+ decay and electron capture are compared with α-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 β+/EC- and α-decay half-lives are comparable. The competition between these decay modes opens the possibility of new pathways towards the islands of stability.

Funder

Ministerio de Ciencia e Innovación

Publisher

IOP Publishing

Subject

Nuclear and High Energy Physics

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