radioactive decay

https://doi.org/10.1351/goldbook.R05083
@N04227@ in which particles or electromagnetic @R05048@ are emitted or the @N04256@ undergoes @S05887@ or @E01980@.
Source:
PAC, 1994, 66, 2513. (Nomenclature for radioanalytical chemistry (IUPAC Recommendations 1994)) on page 2518 [Terms] [Paper]