Journal
PHYSICAL REVIEW C
Volume 91, Issue 5, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevC.91.054324
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Funding
- Spanish Ministerio de Ciencia e Innovacion [FPA2009-13377-C02, FPA2011-29854-C04]
- Generalitat Valenciana (Spain) [PROMETEO/2010/101]
- National Research Foundation of Korea (NRF) - Korea government (MEST) [NRF-2012R1A1A1041763]
- Priority Centers Research Program in Korea [2009-0093817]
- OTKA [K-100835]
- JSPS KAKENHI [25247045]
- European Commission through the Marie Curie Actions call FP7-PEOPLE-IEF [300096]
- US Department of Energy, Office of Nuclear Physics [DE-AC02-06CH11357]
- RIKEN foreign research program
- German BMBF [05P12RDCIA, 05P12RDNUP]
- HIC for FAIR
- Grants-in-Aid for Scientific Research [26800117, 24105004] Funding Source: KAKEN
- Science and Technology Facilities Council [ST/L005743/1, ST/J000051/1] Funding Source: researchfish
- STFC [ST/L005743/1, ST/J000051/1] Funding Source: UKRI
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The beta decay of Cd-129, produced in the relativistic fission of a U-238 beam, was experimentally studied at the RIBF facility at the RIKEN Nishina Center. From the gamma radiation emitted after the beta decays, a level scheme of In-129 was established comprising 31 excited states and 69 gamma-ray transitions. The experimentally determined level energies are compared to state-of-the-art shell-model calculations. The half-lives of the two beta-decaying states in Cd-129 were deduced and the beta feeding to excited states in In-129 were analyzed. It is found that, as in most cases in the Z < 50, N <= 82 region, both decays are dominated by the nu 0g(7/2) -> pi 0g(9/2) Gamow-Teller transition, although the contribution of first-forbidden transitions cannot be neglected.
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