Rotational Excitation of OH(A^2?^+,υ'=0) Resulting from Dissociative Collision of H_2O with Metastable Argon Atoms
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概要
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Spectroscopic investigations were made of the rotational population distribution of OH(A^2？^+,υ'=0) split from H_2O by steady-state flowing argon afterglow at the pressures from 0.022 up to 12 Torr. In order to observe the distribution close to the initial rotational population distribution free from collisional deactivation, an improved apparatus was constructed and a flowing afterglow was obtained at the pressures of one order of magnitude lower than in the other works. The observed distribution can be expressed by a combination of two thermal population distributions. Effects of pressure on the distribution were examined and the rate constant for collisional rotational relaxation in A^2？^+,υ'=0 was obtained as (7.9±3.5)×10^<-12> cm^3 mol sec^<-1> for Ar. Mechanisms responsible for rotational excitation are discussed.
- 社団法人日本物理学会の論文
- 1972-08-05
著者
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Sokabe Noburu
Department Of Applied Physics Osaka City University
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Sokabe Noburu
Department Of Applied Physics Faculty Of Engineering Osaka City University
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Sokabe Noburu
Department Of Physics Osaka University:(present Address) Department Of Applied Physics Faculty Of En
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