| Mixing of two-quasineutron and two-quasiproton Kπ=6+ configurations in the vicinity of 174Yb |
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| 引用本文： | 焦长峰,董国香,许甫荣.Mixing of two-quasineutron and two-quasiproton Kπ=6+ configurations in the vicinity of 174Yb[J].中国物理 C,2013,37(3):45-48. |
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| 作者姓名： | 焦长峰 董国香 许甫荣 |
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| 作者单位： | 1 State Key Laboratory of Nuclear Physics and Technology, School of Physics, Peking University, Beijing 100871, China;;2 Center for Theoretical Nuclear Physics, National Laboratory for Heavy Ion Physics, Lanzhou 730000, China |
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| 基金项目： | Supported by National Natural Science Foundation of China (10975006) |
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| 摘 要： | In the framework of the projected shell model, we investigate the competition between the two-quasineutron and two-quasiproton Kπ=6+ states in the ytterbium isotopes and N =104 isotones adjacent to 174Yb. The 174Yb results are compared with the experimental data.The Kπ =6+ isomer observed in 174 Yb is assigned as an admixture of the ν7/2-514] ν5/2-512] and π7/2+ 404]π5/2+ 402] intrinsic structure, which explains the experimental |g K-g R | value. Similar mixing would appear in 174 Yb, 176 Hf,and 178 W. The low-lying Kπ=6+ states are also predicted in 170-178 Yb.
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| 关 键 词： | Kisomers projected shell model rotational band factor |
| 收稿时间： | 2012-6-5 |
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