The multichannel eikonal treatment of atomic collisions: e-H(1s) elastic and inelastic scattering
- 21 December 1974
- journal article
- Published by IOP Publishing in Journal of Physics B: Atomic and Molecular Physics
- Vol. 7 (18), 2518-2532
- https://doi.org/10.1088/0022-3700/7/18/016
Abstract
A multichannel eikonal description of atomic collisions is presented. The formula for the scattering amplitude reduces upon successive approximation to expressions previously derived. In particular, the equations, in the heavy-particle or high-energy limit reduce to the standard impact parameter formulae. A four-state treatment of e-H(1s) elastic and 2s and 2p inelastic scattering calculated cross sections, which illustrate the effects of various approximations, compare very favourably with other refined theoretical methods and with experiment.Keywords
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