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A relativistic non-local two-channel theory is applied to the elastic scattering of 20-200 eV electrons from heavier noble-gas atoms. Total inelastic cross sections are obtained for Ar, Kr and Xe in semi-quantitative agreement with experiment. The differential cross section and spin polarisation results for Ar and Kr agree with experimental data at about the same level as results from less sophisticated (one-channel) theories. For Xe, however, the two-channel model gives a clearly improved agreement with the experimental data.
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Kemper et al. (1985) studied this question.
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