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Anomalous isotopic predissociation in the F³Πu(v=1) state of O₂

Lewis, B. R.; Gibson, S. T.; England, J. P.; Stark, G.; West, J. B.


Using a tunable, narrow-bandwidth vacuum-ultraviolet source based on third-harmonic generation from excimer-pumped dye-laser radiation, the F³Πu←X³Σg-(1,0)photoabsorption cross sections of ¹⁶O₂ and ¹⁸O₂ have been recorded in high resolution. Rotational analyses have been performed and the resultant F(v=1) term values fitted to the ³Π Hamiltonian of Brown and Merer [J. Mol. Spectrosc. 74, 488 (1979)]. A large rotationless isotope effect is observed in the F(v=1)predissociation, wherein the...[Show more]

CollectionsANU Research Publications
Date published: 2002-02-22
Type: Journal article
Source: The Journal of Chemical Physics
DOI: 10.1063/1.1436106


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