Abstract
A Golden Rule wave packet treatment of Ar…I 2(B, v′=16–24)→Ar+I+I electronic predissociation is presented. It is assumed that the I 2 electronic state responsible for the predissociation is the repulsive a ( 3Π 1g). The calculations were performed at a fixed T-shaped configuration for two different van der Waals potentials in the a ( 3Π 1g) electronic state, one purely repulsive and the other attractive. It is found that only the attractive potential can reproduce the oscillations of the electronic predissociation rate as a function of the initial vibrational quantum number v′ of I 2 measured recently (M.L. Burke and W. Klemperer, J. Chem. Phys. 98 (1993) 6642).
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