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Author  |
Madurga, M. et al; Morales, A.I.; Nacher, E. |
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Title |
Beta-Delayed Neutron Emission of N=84 132Cd |
Type |
Journal Article |
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Year |
2026 |
Publication |
Physical Review Letters |
Abbreviated Journal |
Phys. Rev. Lett. |
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Volume |
136 |
Issue |
23 |
Pages |
232504 - 7pp |
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Abstract |
Using the time-of-flight technique, we measured the beta-delayed neutron emission of Cd-132. From our large-scale shell model (LSSM) calculation using the (NLO)-L-3 interaction [Z. Y. Xu et al., Phys. Rev. Lett. 131, 022501 (2023)], we suggest the decay is dominated by the transformation of a neutron in the g(7/2) orbital, deep below the Fermi surface, into a proton in the g(9/2)( )orbital. We compare the beta-decay half-lives and neutron branching ratios of nuclei with Z < 50 and N >= 82 obtained with our LSSM with those of leading “global” models such as finite-range droplet model (FRDM). Our calculations match known half-lives and neutron branching ratios well and suggest that current leading models overestimate the yet-to-be-measured half-lives. Our model, backed by the Cd-132 decay data presented here, offers robust predictive power for nuclei of astrophysical interest such as r-process waiting points. |
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Address |
[Madurga, M.; Xu, Z. Y.; Grzywacz, R.; Cox, I.; Paulauskas, S., V; Piersa-Silkowska, M.; Taylor, S.] Univ Tennessee, Dept Phys & Astron, Knoxville, TN 37996 USA |
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Publisher |
Amer Physical Soc |
Place of Publication |
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Language |
English |
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ISSN |
0031-9007 |
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Notes |
WOS:001796825200003 |
Approved |
no |
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Is ISI |
yes |
International Collaboration |
yes |
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Call Number |
IFIC @ pastor @ |
Serial |
7293 |
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