Effects of configuration interaction for dielectronic recombination of Na-like ions forming Mg-like ions

被引：0
|
作者：
Kwon, Duck-Hee [1 ]
Savin, Daniel Wolf [2 ]
机构：
[1] Korea Atom Energy Res Inst, Lab Quantum Opt, Taejon 305600, South Korea
[2] Columbia Univ, Columbia Astrophys Lab, New York, NY 10027 USA
来源：
XXVII INTERNATIONAL CONFERENCE ON PHOTONIC, ELECTRONIC AND ATOMIC COLLISIONS (ICPEAC 2011), PTS 1-15 | 2012年 / 388卷
关键词：
D O I：
10.1088/1742-6596/388/6/062035
中图分类号：
O64 [物理化学（理论化学）、化学物理学]; O56 [分子物理学、原子物理学];
学科分类号：
070203 ; 070304 ; 081704 ; 1406 ;
摘要：
Dielectronic recombination (DR) of Na-like ions forming Mg-like ions via excitation of a 21 core electron has been investigated for selected ions from Ca9+ to Zn19+. We find that configuration interaction (CI) between DR resonances with different captured electron principal quantum numbers n can lead to a significant reduction in resonance strengths for n greater than or similar to 5. We also explored the effect of this multi-n CI for the total DR rate coefficient. DR rate coefficients can be reduced by up to 10% at temperatures where an ion is predicted to form in collisional ionization equilibrium and up to 15% at higher temperatures.
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