Dynamics of the quenching of Na(3 2PJ) by CO(X 1Σ+, v=0)

David S.Y. Hsu*, Ming-Chang Lin

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

14 Scopus citations


The vibrational energy distribution of the CO formed in the E→V energy transfer reaction: Na(3 2PJ) + CO (X 1Σ +, v=0)→Na(3 2S1/2) + CO (X 1Σ+, v ≤ 9) was determined at five temperatures between 486 and 672 K. The electronically excited Na atom was optically pumped by a dye laser operating at 590 nm and the CO vibrational energy distribution measured by means of a cw CO laser operating at 5 μ m. The CO was found to have a near Poisson distribution, peaking at v = 2, with little temperature effect. The efficiency of the E→V transfer was determined to be ∼35%. These findings are consistent with those predicted by a curve- crossing model involving an ionic Na+(CO)- complex.

Original languageEnglish
Pages (from-to)2188-2194
Number of pages7
JournalThe Journal of chemical physics
Issue number5
StatePublished - 1 Jan 1980


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