Band strength factors have been calculated by asymptotic expansion technique for N+2 (B 2 Σ+u–X 2 Σ+g) and N2(C 3πu–B 3πg) and the rotational dependences have been studied for J up to 100. A comparison between the band strengths has been made using experimentally derived electronic transition moment function for the N2(C 3πu–B 3πg) system. The present method of calculation does not use the usual r‐centroid approximation.
The journal of chemical physics. New York. Vol. 69, no. 2 (July 1978), p. 612-614