Abstract
Oscillator strengths and integrated cross-sections for rotational lines of the c 4 ′ 1 Σ u + ( 1 ) - X 1 Σ g + ( 0 - 2 ) bands of N 2 have been calculated with the molecular quantum defect orbital (MQDO) method. The known strong homogeneous interaction of the c 4 ′ 1 Σ u + ( 1 ) Rydberg state with the b′ 1 Σ u + ( 4 ) valence state has been presently dealt with through an interaction matrix for each value of the rotational quantum number, J. Because of perturbations, the intensity distribution of the rotational lines within each of the vibronic bands deviates from the predictions based on Hönl–London factors. Band oscillator strengths are also reported and their J-dependence has been analyzed.
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