singlet-singlet absorption

https://doi.org/10.1351/goldbook.S05696
@A00036@ which results in the transition from the singlet @G02704@ of the molecule into singlet excited states (\(\text{S}_{0}\) → \(\text{S}_{\text{n}}\)) and leads to the UV/@VT07496@ @A00043@.
Source:
PAC, 1984, 56, 231. (Nomenclature, symbols, units and their usage in spectrochemical analysis-Part VI: molecular luminescence spectroscopy) on page 234 [Terms] [Paper]