Plasmon excited at the same time as the excitation of a core-level photoelectron or an Auger electron associated with the same locality as the excitation of the photoelectron or Auger electron.
See also: extrinsic plasmon
Source:
PAC, 2020, 92, 1781. 'Glossary of methods and terms used in surface chemical analysis (IUPAC Recommendations 2020)' on page 1827 (https://doi.org/10.1515/pac-2019-0404)