A transition between two states of a system without photon emission or absorption.
See also: radiative transition
Sources: Orange Book, 2
nd ed., p. 185 [
Terms] [
Book]
PAC, 1996,
68, 2223. (
Glossary of terms used in photochemistry (IUPAC Recommendations 1996)) on page 2269 [
Terms] [
Paper]
See also: PAC, 1984,
56, 231. (
Nomenclature, symbols, units and their usage in spectrochemical analysis-Part VI: molecular luminescence spectroscopy) on page 234 [
Terms] [
Paper]