rainbow scattering

rainbow scattering

[′rān‚bō ‚skad·ər·iŋ]
(physics)
The scattering of particles by a potential that contains both attractive and repulsive parts and whose width is much greater than the de Broglie wavelength of the particles; analogous to scattering of light by liquid droplets, which produces a rainbow.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.