期刊
PHYSICAL REVIEW C
卷 85, 期 3, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevC.85.031301
关键词
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资金
- IN2P3, France
- MICINN, Spain [AIC10-D-000429]
- MICINN
- Generalitat Valenciana, Spain [FPA2008-06419, PROMETEO/2010/101]
- Chinese Academy of Science, China
We report on the observation of a new isomeric state in Ni-68. We suggest that the newly observed state at 168(1) keV above the first 2(+) state is a pi(2p-2h) 0(+) state across the major Z = 28 shell gap. Comparison with theoretical calculations indicates a pure proton intruder configuration and the deduced low-lying structure of this key nucleus suggests a possible shape coexistence scenario involving a highly deformed state.
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