Neutron-de cient nuclei around mid-shell at N-104 in the lead region provide many cases of shape coexistence and shape isomers^([1,2]).In order to study shape coexistence in this region,prompt and delayed-ray spectros...Neutron-de cient nuclei around mid-shell at N-104 in the lead region provide many cases of shape coexistence and shape isomers^([1,2]).In order to study shape coexistence in this region,prompt and delayed-ray spectroscopy of the^(187)Pb,^(183)Hg,^(188)Bi and^(188)Po nuclei produced by the fusion-evaporation reaction^(50)Cr+^(142)Nd→192Po^(*)has been performed at the Argonne Gas-Filled Analyzer.展开更多
基金Strategic Priority Research Program of Chinese Academy of Sciences(XDB34000000)National Key R&D Program of China(2018YFA0404402)+2 种基金National Natural Science Foundation of China(12135004,11635003,11961141004,11735017 and U2032138)Chinese Academy of Sciences Presidents International Fellowship Initiative(2020VMA0017)U.S.Department of Energy,Office of Nuclear Physics(DE-AC02-06CH11357,DE-FG02-94ER41041(UNC)and DE-FG02-97ER41033(TUNL))。
文摘Neutron-de cient nuclei around mid-shell at N-104 in the lead region provide many cases of shape coexistence and shape isomers^([1,2]).In order to study shape coexistence in this region,prompt and delayed-ray spectroscopy of the^(187)Pb,^(183)Hg,^(188)Bi and^(188)Po nuclei produced by the fusion-evaporation reaction^(50)Cr+^(142)Nd→192Po^(*)has been performed at the Argonne Gas-Filled Analyzer.