期刊
PHYSICAL REVIEW LETTERS
卷 117, 期 1, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.117.012501
关键词
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资金
- Spanish Ministerio de Economia y Competitividad [SEV-2014-0398, FPA2011-24553, FPA2011-28770-C03-03, FPA2014-52823-C2-1-P, AIC-D-2011-0705]
- Spanish Nuclear Security Council (CSN)
- German Helmholtz Association [VH-NG 627]
- Nuclear Astrophysics Virtual Institute [VH-VI-417]
- German Bundesministerium fur Bildung und Forschung [06MT7178 / 05P12WOFNF]
- UK Science & Technology Facilities Council
- Helmholtz-CAS Joint Research Group [HCJRG-108]
- Russian Science Foundation [RSF-16-12-1016]
- Division Of Physics
- Direct For Mathematical & Physical Scien [1430152] Funding Source: National Science Foundation
- Science and Technology Facilities Council [NuSTAR, ST/L005824/1, ST/G000751/1 NuSTAR, ST/L005743/1, ST/J000051/1, ST/G000751/1] Funding Source: researchfish
- Russian Science Foundation [16-12-10161] Funding Source: Russian Science Foundation
- STFC [ST/J000051/1, NuSTAR, ST/L005743/1, ST/L005824/1, ST/G000751/1] Funding Source: UKRI
The beta-delayed neutron emission probabilities of neutron rich Hg and Tl nuclei have been measured together with beta-decay half-lives for 20 isotopes of Au, Hg, Tl, Pb, and Bi in the mass region N greater than or similar to 126. These are the heaviest species where neutron emission has been observed so far. These measurements provide key information to evaluate the performance of nuclear microscopic and phenomenological models in reproducing the high-energy part of the beta-decay strength distribution. This provides important constraints on global theoretical models currently used in r-process nucleosynthesis.
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