The effective close-coupling method of Rabitz is tested and used to calculate the angular distributions of the elastic and inelastic scattering of molecular hydrogen in collision with atomic hydrogen when rotational transitions may occur. The interaction potential adopted is the Porter-Karplus semi-empirical potential surface, which was joined smoothly to the correct long-range potentials. Explicit calculations are reported for the differential elastic and total inelastic cross sections in the energy range from 0.1 to 1.5 eV.
This is the published version, also available here: http://dx.doi.org/10.1086/153731.
Chu, Shih-I., Dalgarno, A. "Angular distributions in the elastic scattering and rotational excitation of molecular hydrogen by atomic hydrogen" Astrophysical Journal, vol. 199, Aug. 1, 1975, pt. 1, p. 637-641. http://dx.doi.org/10.1086/153731.
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