Correlation effects in theM4,5N4,5O Auger spectra of Xe

The $M_4$,5${\mathrm{N}}_4$,5O Auger spectra of Xe have been measured and compared with theoretical profiles. Single-particle predictions are found to deviate strongly from experiment in the case of the $M_4$,5${\mathrm{N}}_4$,5${\mathrm{O}}_1$ transitions. Multiconfiguration calculations which take into account the mixing between the 4$d^9$5$s^1$5$p^6$ and 4$d^9$5$s^2$5$p^4$5$d^1$ configurations reproduce the observed structure reasonably well.