Predissociation of the Schumann-Runge Bands of O2.
Abstract
The predissociation line broadening in the Schumann-Runge bands of O2 is explained by an ab initio calculation of the pertinent repulsive potential energy curves and spin-orbit matrix elements. The ab initio results provide an overall qualitative picture of the predissociation which is further refined through a detailed comparison with experiment. The dominant repulsive curve is also deduced by a deperturbation of the level shift in the second vibrational difference. The predissociation is dominated by the quintet Pi(u) state crossing the B triplet sigma (u)(-) state around 1.87A with a spin-orbit matrix element of 65/cm. The apparent experimental widths between v = 5 and 11 are shown to be inconsistent with the theoretical analysis, the difference probably being due to line blending.
Document Details
- Document Type
- Technical Report
- Publication Date
- Oct 01, 1974
- Accession Number
- ADA002438
Entities
People
- M. Krauss
- Paul S. Julienne
Organizations
- United States Naval Research Laboratory