Collisional excitation rates of H2O with H2 -: I.: Pure rotational excitation rates with para-H2 at very low temperature

被引:55
作者
Dubernet, ML [1 ]
Grosjean, A [1 ]
机构
[1] Univ Franche Comte, Astrophys Lab, CNRS, UMR 6091,Observ Besancon, F-25010 Besancon, France
关键词
molecular data; molecular processes;
D O I
10.1051/0004-6361:20020800
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
Close coupling (CC) calculations of pure rotational excitation rates of H2O by para-H-2 are performed between 5 K and 20 K. Some discrepancies with Phillips et al. (1995, 1996) are found and explained. We find that the presence of resonances greatly influences the excitation rates at very low temperature. Fits of our collisional rates are provided.
引用
收藏
页码:793 / 800
页数:8
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