uncoupling phenomena

uncoupling phenomena

[¦ən′kəp·liŋ fə‚näm·ə·nä]

(spectroscopy)

Deviations of observed spectra from those predicted in a diatomic molecule as the magnitude of the angular momentum increases, caused by interactions which could be neglected at low angular momenta.

McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.