A phase shift analysis of electron-atom scattering. V. Revised (1973) results for helium and neon
- 11 November 1974
- journal article
- Published by IOP Publishing in Journal of Physics B: Atomic and Molecular Physics
- Vol. 7 (16) , 2203-2222
- https://doi.org/10.1088/0022-3700/7/16/018
Abstract
For pt.IV, see abstr. A5820 of 1972. A phase shift analysis of electron-helium scattering in the energy range from 10-2 to 102 eV and of electron-neon scattering from 3*10-2 to 60 eV is reported, using new measurements of the elastic differential cross sections by McConkey and Preston (see abstr. A71429 of 1973). Error estimates are assigned to the derived s, p and d wave phase shifts for electron-helium scattering, and the conjectured dispersion relation further tested. The results of the analysis of electron-neon scattering remain in good agreement with adiabatic-exchange theory, though the s-wave phase shift shows anomalous behaviour at intermediate energies. Estimates of the imaginary part of the optical potential are obtained for both systems.Keywords
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