| Beta Decay of Neutron—Rich Nucleus ^208Hg |
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| 作者姓名： | 张立 森田浩介 胡青元 吉田敦 赵进华 郑继文 李占奎 越虎蒲 工藤久昭 矢野安重 |
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| 作者单位： | [1]InstituteofModernPhysics,ChineseAcademyofSciences,Lanzhou730000 [2]RIKEN(TheInstituteofPhysicalandChemicalResearch),WakoStaitama351-0198,Japan [3]DepartmentofChemistry,NiigataUniversity,Niigata950-2181,Japan |
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| 摘 要： | The β- decaying γ scheme of the neutron-rich nuclide 208Hg has been determined for the first time.The 208 Hg was produced in multi-nucleon transfer reaction taking place in the bombardment of 18O-beam on natural lead target,and the Hg-element products were sepaated with a gas-thermochromatography technique.The γ-ray single and γ-γ coincident spectra were measured.A partial 208 Hg γ scheme was proposed.Twenty-six γ rays were assigned to follow the β- decay of 208Hg.At the same time,a new level structure of the daughter nucleus 208 T1 was constructed,in which three new levels at 1.725MeV.1.652MeV,and 1.362MeV were affirmed.The experimental 208Tl level structure was compared with a shell-model calculation.
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| 关 键 词： | β衰变 Hg 汞 原子核 富中子 结构 性质 |
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