Dielectronic recombination for oxygenlike ions relevant to astrophysical applications

被引：0
|
作者：
Chen, M.H. [1 ]
机构：
[1] Lawrence Livermore National Lab., University of California, P.O. Box 808, Livermore, CA 94550, United States
来源：
Physical Review A - Atomic, Molecular, and Optical Physics | 2002年 / 66卷 / 05期
关键词：
Approximation theory - Astrophysics - Electron energy levels - Ground state - Ions - Mathematical models - Numerical analysis - Plasmas - Rate constants - Resonance - Spectroscopic analysis;
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学科分类号：
摘要：
The total dielectronic recombination (DR) rate coefficients for 3P2, 3P0, 1D2, and 1S0 states in Mg v, Si VII, S IX, and Fe XIX ions were calculated. It was found that accurate resonance energies for δn=0 dR were critical to obtain reliable DR rate coefficients. In addition, it was found that the fine-structure excitation channels were very important in predicting the behavior of the low-temperature DR rate coefficients for all ions covered.
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页码：1 / 052715
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