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Vibrational relaxation of CO by O atoms

The vibrational relaxation of carbon monoxide by atomic oxygen has been measured behind incident shock waves in the temperature range of 1800–4000 °K. The atomic oxygen was produced by the rapid thermal decomposition of ozone. The experimentally derived relaxation times can be expressed in the form...

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Bibliographic Details
Published in:The Journal of chemical physics 1973-01, Vol.58 (12), p.5230-5236
Main Author: Center, R. E.
Format: Article
Language:English
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Summary:The vibrational relaxation of carbon monoxide by atomic oxygen has been measured behind incident shock waves in the temperature range of 1800–4000 °K. The atomic oxygen was produced by the rapid thermal decomposition of ozone. The experimentally derived relaxation times can be expressed in the form p τCO–O=exp(54 T−1/3−7.3) μsec·atm, which corresponds to a collisional probability of the order of 10−2 for the vibration-translation energy transfer. This is from two to three orders of magnitude larger than the probability for self-relaxation by CO over the same temperature range.
ISSN:0021-9606
1089-7690
DOI:10.1063/1.1679135