Abstract

The xenon 4p photoelectron spectrum and the subsequent 4p−1→(5s,5p)−2 Auger and 4p−1→4d−1(5s,5p)−1 Coster–Kronig spectra have been studied with the aid of a high-resolution experiment and multiconfigurational Dirac–Fock calculations. Strong electron correlation is known to affect drastically the Xe 4p photoelectron spectrum: the 4p1/2 component disappears completely, and the intensity of the 4p3/2 line is redistributed into several close-lying peaks. We have calculated the lifetime widths of the photoelectron peaks, simulated the observed photoelectron and Auger spectra and compared theoretical results with experiment.

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