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Shell-model study of the 4th- and 6th-forbidden β -decay branches of 48-Ca

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Haaranen, M., Horoi, M., & Suhonen, J. (2014). Shell-model study of the 4th- and 6th-forbidden β -decay branches of 48-Ca. Physical Review C, 89(3), Article 034315. https://doi.org/10.1103/PhysRevC.89.034315
Published in
Physical Review C
Authors
Haaranen, Mikko |
Horoi, M. |
Suhonen, Jouni
Date
2014
Discipline
FysiikkaPhysics
Copyright
© 2014 American Physical Society. Published in this repository with the kind permission of the publisher.

 
The highly forbidden β− decay of 48Ca is reexamined by performing shell-model calculations with the GXPF1A effective interaction. We examine the three available decay branches to the lowest 6+, 5+, and 4+ states of 48Sc, and extract a theoretical half-life of T β 1/2 = 5.2+1.7 −1.3 × 1020 g−2 A yr for the β− decay, where gA is the value of the axial-vector coupling constant. The current half-life estimate suggests stronger competition between the single-β-decay and double-β-decay branches of 48Ca than previously expected on theoretical grounds.
Publisher
American Physical Society
ISSN Search the Publication Forum
0556-2813
Keywords
shell-model
DOI
https://doi.org/10.1103/PhysRevC.89.034315
URI

http://urn.fi/URN:NBN:fi:jyu-201601201198

Publication in research information system

https://converis.jyu.fi/converis/portal/detail/Publication/23738982

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