期刊
PHYSICAL REVIEW C
卷 79, 期 6, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevC.79.064302
关键词
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资金
- US Department of Energy, Office of Nuclear Physics [DE-FG02-94ER40834, DE-AC02-O6CH11357]
- Polish Scientific Grant [1P03B05929, NN202103333]
Excited states in the odd-A Ga-71,Ga-73,Ga-75,Ga-77 nuclei have been populated in deep-inelastic reactions of a Ge-76 beam at 530 MeV with a thick U-238 target. High-spin sequences built upon the 9/2(+), 5/2(-), and 3/2(-) states were identified in all four isotopes. A comparison of the observed structures with the yrast positive-parity states in the neighboring even-even Zn cores indicates that the newly identified levels may be regarded as arising from the relatively weak coupling of the odd proton to the core states. However, significant contributions from broken pairs are expected to be present in this region of excitation energy. The present data set also provides clarification of previously reported decay paths of the low-energy levels in Ga-71,Ga-73,Ga-75,Ga-77..
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