Abstract
Systematic calculations of the cross sections for excitation of the cadmium ion by low-energy electrons are carried out by the R-matrix method. The scattering strengths are computed in the approximation of strong coupling of channels with 15 terms of the 4d105s, 5p, 6s, 5d, 6p, 4d95s2, and 5s5p configurations taken into account within the framework of the LS-coupling scheme. Particular attention was given to the exact representation of the wave functions of a target in terms of the multiconfiguration Hartree–Fock method. The calculated cross sections exhibit a pronounced resonance structure, which makes an appreciable contribution to the total excitation cross sections, especially, for the 4d105s–4d95s2 transition. The results obtained are compared to the experimental data.
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