activation cross-section

https://doi.org/10.1351/goldbook.A00101
The @R05169@ for the formation of a @R05116@ by a specified reaction.
Sources:
Orange Book, 2nd ed., p. 217 [Terms]
PAC, 1994, 66, 2513. (Nomenclature for radioanalytical chemistry (IUPAC Recommendations 1994)) on page 2517 [Terms] [Paper]