| Relativistic Distorted-Wave Calculations of Electron Impact Excitation Cross Sections of Be-Like C2＋ Ions |
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| 引用本文： | 蒋军 董晨钟 颉录有 王建国 颜君 Stephan Fritzsche.Relativistic Distorted-Wave Calculations of Electron Impact Excitation Cross Sections of Be-Like C2＋ Ions[J].中国物理快报,2007,24(3):691-694. |
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| 作者姓名： | 蒋军 董晨钟 颉录有 王建国 颜君 Stephan Fritzsche |
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| 作者单位： | [1]College of Physics and Electronic Engineering, Northwest Normal University, Lanzhou 730070 [2]National Laboratory of Heavy-Ion Accelerator of Lanzhou, Lanzhou 730000 [3]Institute of Applied Physics and Computational Mathematic, Beijing 100088 [4]Institute für Physlk, Universitat Kassel, D-34132 Kassel, Germany |
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| 基金项目： | Supported by the National Natural Science Foundation of China under Grant Nos 10376026 and 10434100, the Foundation for the Excellent Youth Scholars of the Ministry of Education of China. |
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| 摘 要： | A fully relativistic distorted-wave program is developed based on the Grasp92 and Ratip packages to calculate electron impact excitation （EIE） cross sections. As a first application of the program, the EIE cross sections of Be-like C^α＋ ions from the metastable 1s^22s2p^3 p to 1s^22p^2 ^3 p excitation and the inner-shell excitations are calculated systematically. Meanwhile, the correlation effects of target states are discussed. It is found that the correlation effects play an important role in the low energy EIE cross sections. An excellent agreement is found when the results are compared with previous calculations and recent measurements.
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| 关 键 词： | 相对论 电子碰撞 离子 计算方法 |
| 收稿时间： | 2006-8-18 |
| 修稿时间： | 2006-08-18 |
Relativistic Distorted-Wave Calculations of Electron Impact Excitation Cross Sections of Be-Like C 2+ Ions |
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| JIANG Jun,DONG Chen-Zhong,XIE Lu-You,WANG Jian-Guo,YAN Jun,Stephan Fritzsche.Relativistic Distorted-Wave Calculations of Electron Impact Excitation Cross Sections of Be-Like C 2+ Ions[J].Chinese Physics Letters,2007,24(3):691-694. |
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| Authors: | JIANG Jun DONG Chen-Zhong XIE Lu-You WANG Jian-Guo YAN Jun Stephan Fritzsche |
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| Affiliation: | 1College of Physics and Electronic Engineering, Northwest Normal University, Lanzhou 730070 ; 2National Laboratory of Heavy-Ion Accelerator of Lanzhou, Lanzhou 730000 ;3.Institute of Applied Physics and Computational Mathematic, Beijing 100088 ; 4Institute fü Physik, Unlversity Kassel, D-34132 Kassel, Germany |
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| Abstract: | A fully relativistic distorted-wave program is developed based on the Grasp92 and Ratip packages to calculate electron impact excitation (EIE) cross sections. As a first application of the program, the EIE cross sections of Be-like C 2+ ions from the metastable 1s22s2p 3P to 1s22p2 3P excitation and the inner-shell excitations are calculated systematically. Meanwhile, the correlation effects of target states are discussed. It is found that the correlation effects play an important role in the low energy EIE cross sections. An excellent agreement is found when the results are compared with previouscalculations and recent measurements. |
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| Keywords: | 34 80 Kw 34 80 Dp 31 25 Jf |
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