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Electron impact excitation of Ca-like iron Fe(6+)
Zeng, JL; Liang, GY; Zhao, G; Shi, JR
2005-02-21
发表期刊MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
卷号357期号:2页码:440-448
摘要Electron impact collision strengths, energy levels, oscillator strengths and spontaneous radiative decay rates are calculated for Fe VII using the Flexible Atomic Code. The configuration interactions included in the calculations of atomic structure and excitation are among the configurations of ([Ne])3s(2)3p(x)3d(y) (x + y = 8, x = 6 3), 3s(2)3p(6)3dnl (n = 4, 5, l = 0, 1,..., n-1), 3s(2)3p(6)4l4l' (l, l' = 0, 1, 2, 3), 3s3p(x)3d(y) (x + y = 9, x = 6, 5) and 3s(2)3p(5)3d(2)4s. Collision strengths are calculated at 20 scattered electron energies (5-6000 eV) for the energetically lowest 340 levels, with the highest excited states corresponding to levels belonging to the configuration of 3s(2)3p(6)3d5g. Effective collision strengths are obtained by assuming a Maxwellian electron velocity distribution at 15 temperatures from 10 to 500 eV. Comparison has been made with earlier theoretical collision strengths for the transitions within the ground configuration 3s(2)3p(6)3d(2), which are the only data available in the literature. Illustrative examples are given for some strong transitions belonging to the arrays of 3s(2)3p(6)3d(2)-3s(2)3p(5)3d(3),3s(2)3p(6)3d4p and 3s(2)3p(6)3d4f. The results show that the oscillator strengths and collision strengths are very sensitive to the configuration interaction. The complete data set is available electronically from http://www.astronomy.csbd.cn/EIE.
关键词Atomic Data Atomic Processes
DOI10.1111/j.1365-2966.2004.08561.x
收录类别SCI
语种英语
WOS记录号WOS:000226853700004
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被引频次:8[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.bao.ac.cn/handle/114a11/8154
专题光学天文研究部
作者单位1.Chinese Acad Sci, Natl Astron Observ, Beijing 100012, Peoples R China
2.Natl Univ Def Technol, Dept Appl Phys, Changsha 410073, Peoples R China
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Zeng, JL,Liang, GY,Zhao, G,et al. Electron impact excitation of Ca-like iron Fe(6+)[J]. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,2005,357(2):440-448.
APA Zeng, JL,Liang, GY,Zhao, G,&Shi, JR.(2005).Electron impact excitation of Ca-like iron Fe(6+).MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,357(2),440-448.
MLA Zeng, JL,et al."Electron impact excitation of Ca-like iron Fe(6+)".MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 357.2(2005):440-448.
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