Abstract
Cross sections for the scattering of electrons with kinetic energy 0-90 Ryd by oxygen-like krypton (Kr28+) have been calculated using the Dirac R-matrix method. In these calculations the 10 jj-coupled levels arising from the configurations 1s22s22p4, 1s22s2p5 and 1s22p6 are included. The authors' calculated level intervals are very different from those obtained from a non-relativistic approach. They compare the calculated level intervals and wavelengths with experiment. Cross sections converged to within 5% are obtained with thirty (N+1)-particle collision symmetries (partial waves). The authors have computed the profiles of, and identified, resonances in the cross sections at selected incident energies. Their calculated cross sections in the non-resonance region are compared with previous calculations.
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