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Determination of O2(a1 delta g) and O2(b1 sigma+ g) yields in the reaction O + ClO --> Cl + O2: implications for photochemistry in the atmosphere of VenusA discharge flow apparatus with chemiluminescence detector has been used to study the reaction O + ClO --> Cl + O2, where O2 = O2(a1 delta g) or O2(b1 sigma+ g). The measured quantum yields for producing O2(a1 delta g) and O2(b1 sigma+ g) in the above reaction are less than 2.5 x 10(-2) and equal to (4.4 +/- 1.1) x 10(-4), respectively. The observed O2(a1 delta g) airglow of Venus cannot be explained in the context of standard photochemistry using our experimental results and those reported in recent literature. The possibility of an alternative source of O atoms derived from SO2 photolysis in the mesosphere of Venus is suggested.
Document ID
20040089607
Acquisition Source
Ames Research Center
Document Type
Reprint (Version printed in journal)
Authors
Leu, M. T.
(California Institute of Technology Pasadena 91109, United States)
Yung, Y. L.
Date Acquired
August 21, 2013
Publication Date
September 1, 1987
Publication Information
Publication: Geophysical research letters
Volume: 14
Issue: 9
ISSN: 0094-8276
Subject Category
Lunar And Planetary Science And Exploration
Funding Number(s)
CONTRACT_GRANT: NAG2-267
Distribution Limits
Public
Copyright
Other
Keywords
Non-NASA Center
NASA Program Exobiology
NASA Discipline Exobiology
NASA Discipline Number 52-20

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