Abstract
Calculated Franck–Condon factors, explicitly including previously neglected vibration–rotation interaction effects, are reported for 450 Lyman and 24 Fulcher bands of the hydrogen molecule. Large concellation effects, depending on rotational quantum number, are found for a number of Lyman bands. Where comparison is possible, the results show good qualitative agreement with experimentally determined intensity distributions. Using alternative representations of the B 1Σu+ potential curve (upper state of the Lyman bands) it is shown that the calculated intensity distribution for some bands are highly sensitive to detailed features of the molecular potential curves.
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