Xe N4,5O–OOO satellite Auger spectrum

Abstract

The N4,5O1,2,3–O1,2,3O2,3O2,3 Auger transitions, appearing as a satellite structure in the N4,5–OO Auger spectrum of xenon, were studied in detail. By measuring the N4,5O–OOO satellite Auger spectrum both below and above the 4p ionization threshold, we were able to separate the satellite production via the direct photo-double ionization and the Auger cascade from the 4p states. The N3–N4,5O2,3 Coster–Kronig (CK) transitions and the subsequent N4,5O2,3–O2,3O2,3O2,3 satellite Auger transitions were calculated using the HF wavefunctions and the most intense satellite lines were assigned. The Xe N4,5O–OOO satellite spectrum was compared with the previously studied Kr M4,5N–NNN satellite Auger spectrum. The 5s orbital in Xe was found to reveal more pronounced electron correlation than the 4s orbital in Kr.