| Influence of relaxation effects on probabilities of the 2s2p35S2－2s22p2 3P1，2 intercombination transitions in NII |
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| 引用本文： | 袁萍,刘欣生,颉录有,张义军,董晨钟.Influence of relaxation effects on probabilities of the 2s2p35S2－2s22p2 3P1，2 intercombination transitions in NII[J].中国物理 B,2003,12(3):271-274. |
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| 作者姓名： | 袁萍 刘欣生 颉录有 张义军 董晨钟 |
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| 作者单位： | College of Physics and Electronic Engineering, Northwest Normal University, Lanzhou 730070, China; Cold and Arid Regions Environmental and Engineering Research Institute, Chinese Academy of Science, Lanzhou 730000, China;Cold and Arid Regions Environmental and Engineering Research Institute, Chinese Academy of Science, Lanzhou 730000, China;College of Physics and Electronic Engineering, Northwest Normal University, Lanzhou 730070, China;Cold and Arid Regions Environmental and Engineering Research Institute, Chinese Academy of Science, Lanzhou 730000, China;College of Physics and Electronic Engineering, Northwest Normal University, Lanzhou 730070, China |
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| 基金项目： | Project supported by the National Natural Science Foundation of China (Grant Nos 49975003, 10274062), by the Major Program of the National Natural Science Foundation of China (Grant No.40135010), by the Knowledge Innovation Program of the Chinese Academy of Sciences (Grant No 210037), and by the State Education Commission Foundation for Excellent Young Teachers of China. |
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| 摘 要： | Transition probabilities of the 2s2p^3 {}^5S_2－2s^22p^2 {}^3P_{1,2} intercombination transitions in NII have been calculated by using a large-scale multiconfiguration Dirac－Fock method. In the calculation the most important effects of relativity, correlation, and relaxation are considered. From the calculated transition probabilities, the lifetime of the 2s2p^3 {}^5S_2 metastable state is derived. The result is in excellent agreement with the latest experimental result. In the meantime the influence of anomalously strong relaxation effects on probabilities of the 2s2p^3 {}^5S_2－2s^22p^2 {}^3P_{1,2} lines in NII have been found.
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| 关 键 词： | transition probability lifetime multiconfiguration Dirac－Fock method |
| 收稿时间： | 2002-08-21 |
Influence of relaxation effects on probabilities of the 2s2p35S2－2s22p2 3P1，2 intercombination transitions in NII |
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| Yuan Ping,Liu Xin-Sheng,Xie Lu-You,Zhang Yi-Jun and Dong Chen-Zhong.Influence of relaxation effects on probabilities of the 2s2p35S2－2s22p2 3P1，2 intercombination transitions in NII[J].Chinese Physics B,2003,12(3):271-274. |
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| Authors: | Yuan Ping Liu Xin-Sheng Xie Lu-You Zhang Yi-Jun and Dong Chen-Zhong |
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| Institution: | Cold and Arid Regions Environmental and Engineering Research Institute, Chinese Academy of Science, Lanzhou 730000, China; College of Physics and Electronic Engineering, Northwest Normal University, Lanzhou 730070, China; College of Physics and Electronic Engineering, Northwest Normal University, Lanzhou 730070, China; Cold and Arid Regions Environmental and Engineering Research Institute, Chinese Academy of Science, Lanzhou 730000, China |
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| Abstract: | Transition probabilities of the 2s2p^3 {}^5S_2－2s^22p^2 {}^3P_{1,2} intercombination transitions in NII have been calculated by using a large-scale multiconfiguration Dirac－Fock method. In the calculation the most important effects of relativity, correlation, and relaxation are considered. From the calculated transition probabilities, the lifetime of the 2s2p^3 {}^5S_2 metastable state is derived. The result is in excellent agreement with the latest experimental result. In the meantime the influence of anomalously strong relaxation effects on probabilities of the 2s2p^3 {}^5S_2－2s^22p^2 {}^3P_{1,2} lines in NII have been found. |
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| Keywords: | transition probability lifetime multiconfiguration Dirac－Fock method |
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