beta. sup + decays of very proton-rich sd -shell nuclei

Journal Article · Fri Mar 01 00:00:00 EST 1991 · Physical Review, C (Nuclear Physics); (USA)

DOI:https://doi.org/10.1103/PhysRevC.43.1487· OSTI ID:6392667

Muto, K; Bender, E; Oda, T ^[1]

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1. Department of Physics, Tokyo Institute of Technology, Oh-okayama, Meguro, Tokyo 152, Japan (JP)

Allowed {beta}{sup +}-decay branches of very proton-rich {ital sd}-shell nuclei up to the proton drip line are calculated by the complete {ital sd}-space shell model. The {beta}{sup +}-decay half-lives calculated with the global quenching factor ({ital g}{sub {ital A}}{sup eff}/{ital g}{sub {ital A}}){sup 2}=0.60 are in reasonable agreement with existing experimental data. However, considerable deviations of the quenching factor from the global value are obtained in a comparison of the theoretical and experimental {ital ft} values in the large-{ital Q}-value window. Probable candidates for the {beta}-delayed two-proton emission are suggested with the predicted {beta}{sup +}-decay branching strengths to states above the proton-emission threshold energy.

• OSTI ID: 6392667
• Journal Information: Physical Review, C (Nuclear Physics); (USA), Vol. 43:3; ISSN 0556-2813
• Country of Publication: United States
• Language: English

Related Subjects

73 NUCLEAR PHYSICS AND RADIATION PHYSICS
BETA-PLUS DECAY
HALF-LIFE
NEUTRON-DEFICIENT ISOTOPES
BRANCHING RATIO
EIGENVALUES
FT VALUE
QUENCHING
SHELL MODELS
WAVE FUNCTIONS
BETA DECAY
DECAY
FUNCTIONS
ISOTOPES
MATHEMATICAL MODELS
NUCLEAR DECAY
NUCLEAR MODELS
RADIOISOTOPES
653005* - Nuclear Theory- Radioactive Decay