excitation level

in X-ray spectroscopy
https://doi.org/10.1351/goldbook.E02252
X-ray levels have various degrees of @[email protected] -- single, double or higher -- and may in some cases also be electrically neutral. An excitation level (@[email protected]) is an electrically neutral @[email protected] with an expelled electron bound in the field of a core electron vacancy.
Source:
PAC, 1991, 63, 735. (Nomenclature, symbols, units and their usage in spectrochemical analysis - VIII. Nomenclature system for X-ray spectroscopy (Recommendations 1991)) on page 738 [Terms] [Paper]
Cite as: IUPAC. Compendium of Chemical Terminology, 2nd ed. (the "Gold Book"). Compiled by A. D. McNaught and A. Wilkinson. Blackwell Scientific Publications, Oxford (1997). Online version (2019-) created by S. J. Chalk. ISBN 0-9678550-9-8. https://doi.org/10.1351/goldbook.
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Last revised: February 24, 2014