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Multiple scattering theory. II. Collision induced dissociation in first order
Authors:Moshe Shapiro  Paul Brumer
Institution:Department of Chemical Physics, Weizmann Institute of Science, Rehovot, Israel;Department of Chemistry, University of Toronto, Toronto, Ontario, Canada
Abstract:Computationally tractable formulae for one particle differential cross sections and for coincidence cross sections for atom— diatom collision induced dissociation (CID) are obtained within the framework of first order multiple scattering theory. The first order formulation is then used to analyze the simple “knockout circle” model for CID and to derive a more reliable multiple scattering spectator model. Finally, differential and coincidence cross sections are computed for Li+ + H2 at 2O eV and are compared with experiment. The qualitative insight afforded by coincidence studies of CID is clearly demonstrated.
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