Abstract

Electronic-to-vibrational transfer has been observed for the process Hg* (6³P_1,0) + HF_v=0 → Hg(6¹S₀) + HF†_v=1–6. (The asterisk symbolizes electronic excitation, the dagger indicates vibrational excitation.) The observations were made by recording ir emission from HF†_v=1–6. A set of relative rate constants k(v) were obtained from the observed stationary-state concentrations N(v). The k(v) decrease rapidly with increasing v, up to v = 6. From a comparison of the total HF emission intensity with total CO emission (due to Hg* + CO) a rough absolute cross section Q_E,V ~ 5 Ų was obtained for electronic-to-vibrational transfer in Hg* + HF collisions.

© 1971 Optical Society of America

Quenching of Infrared Chemiluminescence. 1: The Rates of De-Excitation of CO (4 ≤ v ≤ 13) by He, CO, NO, N₂, O₂, OCS, N₂O, and CO₂

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P. E. Charters, R. G. Macdonald, and J. C. Polanyi
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J. C. Polanyi
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