期刊
PHYSICAL REVIEW C
卷 106, 期 6, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevC.106.064331
关键词
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资金
- National Nature Science Foundation of China [11975040, U2167204, U1832130]
- China Scholarship Council (CSC)
- CNPq
- FAPERJ
- CAPES
- INCT-FNA (Instituto Nacional de Ciencia e Tecnologia- Fisica Nuclear e Aplicacoes) [464898/2014-5]
- BMBF [05P19RDFN1]
- U.S. Department of Energy, Office of Science, Office of Nuclear Physics [DE-AC02-06CH11357]
- Guangdong Key Research and Development Program [2020B040420005]
- Shenzhen Universities Stable Support Program [20200813080048001]
- Foundation of National Laboratory of Heavy Ion Accelerator of Lanzhou [20200602SZU]
Excited states in 92Mo were studied and the level scheme was revised and expanded. The observed high-energy transitions could be a signature of core-breaking effect, and the measured E1 transition strengths indicate the important contribution from proton core-excitation.
Excited states in 92Mo are populated via the 89Y(6Li, 3n)92Mo reaction at the tandem of XTU, INFN-LNL. The level scheme of 92Mo is revised and expanded considerably by the gamma -gamma coincidence measurement. The newly observed level structures are compared with different shell-model calculations performed in various model spaces. The results show that the several high-energy (approximate to 2 MeV) transitions, observed for the first time in the current work, could be a presumable signature of N = 50 core-breaking effect. The measured strengths of E 1 transitions between the low-lying positive and negative bands indicate an important contribution from Z = 28 proton core-excitation.
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