Publisher's Synopsis
Excerpt from An Evaluation of Approximation Methods for Three Body Scattering Problems
In order to describe the phenomena which occur in the ionosphere, in gaseous discharges, in collisions between atoms or between electrons and atoms, a knowledge of the cross sections of various physical processes is required. Experimental determinations of these quantities is beset with many difficulties. In a large number of cases it is not possible to re produce in the laboratory the conditions for which the values of the cross sections are desired. In other cases, the measurements made are a sum of the effects of different processes. Therefore it is important to extend the theoretical methods for calculating the individual cross sections.
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