Differential and total elastic and total reaction cross sections are calculated for electron-hydrogen scattering at 30, 100, and 400 eV using an ab initio optical potential that treats bound and continuum nonelastic channels in the distorted-wave Born approximation. Multichannel and partial wave expansions are carried out to numerical convergence. Convergence criteria and quadratures for the continuum-energy integration are chosen for 1% overall accuracy. Results are compared with experiment and less detailed calculations.
I. Bray et al., "Full Optical Potential for the Electron-Hydrogen Entrance Channel," Physical Review A - Atomic, Molecular, and Optical Physics, vol. 40, no. 5, pp. 2820-2823, American Physical Society (APS), Sep 1989.
The definitive version is available at https://doi.org/10.1103/PhysRevA.40.2820
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© 1989 American Physical Society (APS), All rights reserved.