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Electronic-to-vibrational energy transfer reactions: Na(3 2P) + CO (X1Σ+, υ=0)

✍ Scribed by David S.Y. Hsu; M.C. Lin

Publisher
Elsevier Science
Year
1976
Tongue
English
Weight
655 KB
Volume
42
Category
Article
ISSN
0009-2614

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✦ Synopsis

The vibrational distribution of CO produced from the electronioto-vibrational energy transfer reactlon N3(3 'PI + CO(X 1 C+, u = 0) 4 Na(3 'S) + CO(X * Z+, L) Q 8) has been determined by means of Infrared resonance absorption measurements employing a CIV CO laser. A flash-lamp-pumped dye laser is used to cxcltc the ground state Na to the 3 *PI/2 and 3 2P3/z states. The CO molecules formed III the reaction were found to be VIbrationally excited up to the limts of available electronic energies carried by the excited Na atoms, and the vibrational population distrlbutlon exhibits a maximum at u = 2. The efficiency of E -+ V energy transfer was dctermmed to be 35%. Our present results were found to be consistent with the impulsive (half-coihsion) and curve-crossmg models.

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