Detection of an Auger electron and a core-level photoelectron, emitted from a solid irradiated by mono-energetic X-rays, within a sufficiently short time that the Auger electron shall arise from the decay of the particular core-hole associated with the photoelectron.
Source:
PAC, 2020, 92, 1781. 'Glossary of methods and terms used in surface chemical analysis (IUPAC Recommendations 2020)' on page 1783 (https://doi.org/10.1515/pac-2019-0404)