Satellite structure in the5pand5sx-ray-photoelectron spectra of the actinides

In this article, we report the results of a configuration-interaction study of the $5s$ and $5p$ hole (denoted by $5\mathit{s}$, $5\mathit{p}$) states in Ra, Th, and U atoms. Our most important finding is that all of the major satellite features in the $5\mathit{p}$ spectra of these solids can be accounted for by an atomic model without recourse to "shakeup" losses arising from extra-atomic relaxation in the solid. Our results for the $5s$ region of the actinides show a strong $5\mathit{s}\to 5\mathit{p}5\mathit{d}5f$ interaction and suggest that this level should also be significantly perturbed by the continuum channels $5\mathit{p}5\mathit{d}\epsilon f$.