elastic collision

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elastic collision

[i′las·tik kə′lizh·ən]
(mechanics)
A collision in which the sum of the kinetic energies of translation of the participating systems is the same after the collision as before.
References in periodicals archive ?
The normal procedure (5) is to describe the collisions as heavy particle elastic collisions ignoring the fact that at high energies most of the energy loss is due to the interaction of the fast particle with the atomic electrons of the background gas.
The predicted angular distribution for d-6C12 elastic collision at the energies 110, 120 and 170MeV is shown in Figs.