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Electronic-vibrational energy transfer in the reaction of O(1D) atoms with molecular oxygen |
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| Affiliation: | 1. Department of Earth, Environmental and Planetary Sciences, Rice University, 6100 Main St., Houston, TX 77005, USA;2. Geosciences Research Division, Scripps Institution of Oceanography, University of California, San Diego, 9500 Gilman Drive, Mail Code 0212, La Jolla, CA 92093-0212, USA |
| Abstract: | The UV flash photolysis of 16O3/18O2 mixtures has shown that vibrationally-excited molecular oxygen in its electronic ground-state (O2≠) is produced in quantum levels ν″ = 13 and 14 during the reaction of O(1D) atoms with O2. Flash photolysis of 16O3/16O2 mixtures in which the O3:O2 pressure ratio was varied showed that the efficiency (αν) of O2≠ production in the above levels during this reaction lies in the range 0.3 ⩽ αν ⩽ 0.5. The latter experiments also indicated that the efficiency (γ) of O2≠ formation in the above levels during the reaction of O(1D) with O3 lies in the range 0.06 ⩽ γ ⩽ 0.1. |
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