elastic scattering

in reaction dynamics
When in a molecular collision there is no transfer of energy among different @D01572@, there is said to be elastic @S05487@.
PAC, 1982, 54, 1533. (Glossary of terms used in nuclear analytical chemistry (Provisional)) on page 1540 [Terms] [Paper]
PAC, 1996, 68, 149. (A glossary of terms used in chemical kinetics, including reaction dynamics (IUPAC Recommendations 1996)) on page 163 [Terms] [Paper]