Geiger-Nutall rule

Geiger-Nutall rule

[¦gī·gər ′nəd‚ȯl ‚rül]
(nuclear physics)
The rule that the logarithm of the decay constant of an alpha emitter is linearly related to the logarithm of the range of the alpha particles emitted by it.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.