Electron-capture decay in isotopic transfermium chains from self-consistent calculations
arXiv:2009.02103 · doi:10.1088/1361-6471/ab920d
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 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.
14 pages, 10 figures, accepted for publication in Journal of Physics G
References in corpus (10)
- Relativistic Continuum Hartree Bogoliubov Theory for Ground State Properties of Exotic Nuclei
- Collectivity-induced quenching of signatures for shell closures
- Beta-decay properties of neutron-rich Ge, Se, Kr, Sr, Ru, and Pd isotopes from deformed quasiparticle random-phase approximation
- Gamow-Teller response in deformed even and odd neutron-rich Zr and Mo isotopes
- Stellar electron-capture rates in pf-shell nuclei from quasiparticle random-phase approximation calculations
- Stellar weak decay rates in neutron-deficient medium-mass nuclei
- Effects of deformation on the beta-decay patterns of light even-even and odd-mass Hg and Pt isotopes
- beta-decay in neutron-deficient Hg, Pb, and Po isotopes
- Beta-decay properties of neutron-rich rare-earth isotopes
- Mean-field calculations of charge radii in ground and isomeric states of Cd isotopes
Cited by in corpus (5)
- Finite-nuclear-size effect in hydrogen-like ions with relativistic nuclear structure
- Self-consistent calculations of electron-capture decays in Z=118, 119, and 120 superheavy isotopes
- Competition between weak and alpha-decay modes in superheavy nuclei
- Decay properties of undetected superheavy nuclei with Z>110
- Finite-nuclear-size effect for hydrogenlike ions under high external pressure