Total and state-to-state rate coefficients for rotational energy transfer in collisions between NO(Chi(2)Pi) and He at temperatures down to 15 K

被引：33
|
作者：
James, PL
Sims, IR
Smith, IWM
机构：
[1] School of Chemistry, University of Birmingham, Edgbaston
来源：
CHEMICAL PHYSICS LETTERS | 1997年 / 272卷 / 5-6期
关键词：
D O I：
10.1016/S0009-2614(97)00539-3
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Infrared-ultraviolet double resonance (IRUVDR) experiments have been implemented in the ultra-cold environment provided by a CRESU (Cinetique de Reaction en Ecoulement Supersonique Uniforme) apparatus. This has enabled us to measure rate coefficients for rotational energy transfer in collisions between NO and He of two kinds: those relating to total removal from a specific rovibrational state of NO(X (2) Pi; Omega = 1/2; upsilon = 3; J = 0.5, 3.5 or 6.5) and also state-to-state rate coefficients for transfer from these levels. Using different Laval nozzles, results have been obtained at four different temperatures: 149, 63, 27 and 15 K, and are also reported for 795 K. (C) 1997 Elsevier Science B.V.
引用
收藏
页码：412 / 418
页数：7
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