convergence limit

convergence limit

[kən′vər·jəns ‚lim·ət]

(spectroscopy)

The short-wavelength limit of a set of spectral lines that obey a Rydberg series formula; equivalently, the long-wavelength limit of the continuous spectrum corresponding to ionization from or recombination to a given state.

The wavelength at which the difference between successive vibrational bands in a molecular spectrum decreases to 0.

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