RADIATIVE ASSOCIATION OF N-ATOMS AND O-ATOMS AT LOW-TEMPERATURES

被引：5
|
作者：
SUN, Y [1 ]
DALGARNO, A [1 ]
机构：
[1] HARVARD SMITHSONIAN CTR ASTROPHYS, 60 GARDEN ST, CAMBRIDGE, MA 02138 USA
来源：
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS | 1992年 / 97卷 / A5期
关键词：
D O I：
10.1029/92JA00498
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
The rate coefficients for the radiative association of N(4S) and O(3P) atoms are calculated for temperatures between 1 K and 2000 K. Below 200 K the effects of the interaction between the B2-PI and C2-PI states have to be included. Experimental spectroscopic data are analyzed to determine the mixing of the states and to infer the radiative and predissociation lifetimes for the quasi-bound rotational levels through which the radiative association occurs at low temperatures. At 20 K the rate coefficient is 6.5 x 10(-17) cm3 s-1 , and at 200 K it is 2.3 x 10(-17) cm3 s-1.
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收藏
页码：6537 / 6539
页数：3
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