| Deformations and B（E2） Values of Ne and Mg Nuclei around N = 20 |
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| 引用本文： | 支启军,任中洲.Deformations and B（E2） Values of Ne and Mg Nuclei around N = 20[J].中国物理快报,2006,23(1):58-60. |
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| 作者姓名： | 支启军 任中洲 |
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| 作者单位： | [1]Department of Physics, Nanjing University, Nanjing 210008 [2]Center of Theoretical Nuclear Physics, National Laboratory of Heavy-Ion Accelerator at Lanzhou, Lanzhou 730000 |
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| 基金项目： | Supported by the National Natural Science Foundation of China under Grant Nos 10125521 and 10535010, the National Major State Basic Research and Development Programme of China under Grant No G2000077400, the Knowledge Innovation Project of Chinese Academy of Sciences under Grant No KJCX2-SW-N02, and the Fund of Education Ministry of China under Grant No 20010284036. |
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| 摘 要： | The ground-state deformations and B（E2） values of Ne and Mg nuclei around N = 20 are studied within the framework of the macroscopic-microscopic （MM） model with isospin-dependent Nilsson potential. The calculated results are compared with those obtained from standard Nilsson parameters and with experimental ones. It is found that the calculations with new Nilsson parameters well reproduce the experimental large deformations and B（E2） values for Ne and Mg nuclei around N = 20. The N = 20 shell closure of Ne and Mg isotopes disappears in the MM model and this agrees with experimental data.
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| 关 键 词： | 氖 镁 核子 同位旋 原子核物理学 |
| 收稿时间： | 2005-10-10 |
| 修稿时间： | 2005-10-10 |
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