inelastic scattering

https://doi.org/10.1351/goldbook.I03025
If in a molecular collision there is transfer of energy among @D01572@, but no chemical reaction occurs, there is said to be inelastic @S05487@.
Source:
PAC, 1996, 68, 149. (A glossary of terms used in chemical kinetics, including reaction dynamics (IUPAC Recommendations 1996)) on page 169 [Terms] [Paper]