forbidden line

in X-ray spectroscopy
https://doi.org/10.1351/goldbook.F02479
See:
selection rule
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]
Citation: 'forbidden line' in IUPAC Compendium of Chemical Terminology, 3rd ed. International Union of Pure and Applied Chemistry; 2006. Online version 3.0.1, 2019. https://doi.org/10.1351/goldbook.F02479 RIS BibTex EndNote
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Last revised: February 24, 2014