## term

in X-ray spectroscopy
https://doi.org/10.1351/goldbook.T06273
A set of levels which have the same @C01248@ and the same value of the quantum numbers for total spin $$S$$ and total orbital @A00353@ $$L$$.
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 737 [Terms] [Paper]