Abstract
The Franck-Condon factors for vibronic transitions from the ground states of the HF and DF molecules to the X 2Π and A 2Σ + states of the corresponding parent ions are computed in the Born-Oppenheimer approximation. The distribution of these Franck-Condon factors between bound and unbound vibrational A 2Σ + states are employed to predict the percentage of A 2Σ + ions leading to molecular fragmentation. The results are compared with the available experimental data.
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