
%0 Journal Article
%A W Crompton, Robert 
%A A Morrison, Michael 
%T Analyses of Recent Experimental and Theoretical Determinations of e&#8211;H<sub>2</sub> Vibrational Excitation Cross Sections: Assessing a Long-Standing Controversy
%J Australian Journal of Physics
%D 1993/04/01
%V 46
%N 2
%P 203-230
%K 
%R https://doi.org/10.1071/PH930203
%U https://www.publish.csiro.au/paper/PH930203 
%X During the last four years, we have undertaken a major effort to resolve a serious, long-standing discrepancy between various experimental and theoretical determinations of the cross section for the v0 = 0 &#8594; v = 1 vibrational excitation of H2. This effort has involved crossed electron-beam molecular-beam measurements of relative angular distributions, measurements of transport coefficients in mixtures of H2 and various rare gases, and ab initio theoretical calculations using a vibrational close-coupling formalism with an exact treatment of non-local exchange effects. The discrepancy remains unresolved&#8212;a fact with potentially wide-ranging consequences for beam experiments, theory, and the unfolding of inelastic electron&#8211;molecule cross sections from swarm data. New analyses of the transport data and the application of a new method of extrapolating angular distributions beyond the range of measurement sheds light on this disagreement and its implications. 
