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Non-adiabatic effects on oxygen atom fine structure populations in the predissociation of the A2Σ+ state of OH

✍ Scribed by Sungyul Lee; Carl J. Williams; Karl F. Freed

Publisher
Elsevier Science
Year
1986
Tongue
English
Weight
728 KB
Volume
130
Category
Article
ISSN
0009-2614

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✦ Synopsis

Multichannel scattering calculations are used to evaluate the role of nonadiabatic interactions and interference effect on the predissociation linewidths of several vibrational levels of the A 2 Z + state of OH due to coupling to three different repulsive electronic states. Oxygen atom fme structure branching ratios are calculated as a possible probe of the predissociation pathway. Nonadiabatic effects are found to be very strong for the lower vibrational predimociative A 2 L + levels and to remain non-negligible even for the higher vibrational states of A 2 z+.

📜 SIMILAR VOLUMES

A quantum mechanical analysis on the sel
A quantum mechanical analysis on the selective production of the oxygen atom fine-structure states along asymmetric resonances in OH predissociation
✍ Sungyul Lee 📂 Article 📅 1995 🏛 Elsevier Science 🌐 English ⚖ 549 KB

Predissociation of the A \*Z+ state is treated by an exact theory employing two frame transformation matrices, each of which connects the atomic term limits (q3P) and O('D)) to the correlating adiabatic Born-Oppenheimer states. Resonances corresponding to the higher (v > 7) rovibrational levels of t