reactive scattering

https://doi.org/10.1351/goldbook.R05184
If in a @M03982@ experiment a chemical reaction occurs there is said to be reactive @S05487@.
Source:
PAC, 1996, 68, 149. (A glossary of terms used in chemical kinetics, including reaction dynamics (IUPAC Recommendations 1996)) on page 184 [Terms] [Paper]