| Triaxial interaction effect in the structure of ^148-158Sm |
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| 作者姓名： | 张静娟 Falih H. Al-Khudair 李岩松 龙桂鲁 |
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| 作者单位： | Department of Physics, Tsinghua University, Beijing 100084, China;Department of Physics, Tsinghua University, Beijing 100084, China;Department of Physics, Tsinghua University, Beijing 100084, China; Institute of Theoretical Physics, Chinese Academy of Sciences, Beijing 100080, China; Centre of Nuclear Theory, Lanzhou Heavy Ion Accelerator National Laboratory, Lanzhou 730000, China |
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| 基金项目： | Project supported by the National Natural Science Foundation of China (Grant Nos 10047001, 10325521 and 1047113), the State Key Development Programme for Basic Research of China (Grant No G200077400), the SRFDP Programme of Education Ministry of China. |
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| 摘 要： | The structures of ^148-158Sm are studied in the frame of the interacting boson model. Attention is given to the triaxial interaction, and it is found that the triaxial interaction plays an important role in the detailed structure of this isotopic chain. The potential surfaces of these nuclei are also studied and the shapes of them are analysed. And it is found that though the triaxial interaction plays an important role in these nuclei, there are no stable triaxial shapes in the low-lying structures of these nuclei.
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| 关 键 词： | 混合对称状态 钐同位素 相互关联玻色子模型 核子 几何模型 |
| 收稿时间： | 2004-02-25 |
Triaxial interaction effect in the structure of 148-158Sm |
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| Zhang Jing-Juan,Falih H. Al-Khudair,Li Yan-Song and Long Gui-Lu.Triaxial interaction effect in the structure of ^148-158Sm[J].Chinese Physics B,2004,13(11):1835-1842. |
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| Authors: | Zhang Jing-Juan Falih H Al-Khudair Li Yan-Song and Long Gui-Lu |
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| Institution: | Department of Physics, Tsinghua University, Beijing 100084, China; Department of Physics, Tsinghua University, Beijing 100084, China; Institute of Theoretical Physics, Chinese Academy of Sciences, Beijing 100080, China; Centre of Nuclear Theory, Lanzhou Heavy Ion Accelerator National Laboratory, Lanzhou 730000, China |
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| Abstract: | The structures of {}^{148-158}Sm are studied in the frame of the interacting boson model. Attention is given to the triaxial interaction, and it is found that the triaxial interaction plays an important role in the detailed structure of this isotopic chain. The potential surfaces of these nuclei are also studied and the shapes of them are analysed. And it is found that though the triaxial interaction plays an important role in these nuclei, there are no stable triaxial shapes in the low-lying structures of these nuclei. |
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| Keywords: | Mixed Symmetry States {}^{148-158}Sm isotopes interacting boson model |
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