Geiger formula

Geiger formula

[′gī·gər ‚fȯr·myə·lə]

(nucleonics)

A formula which states that the range of an alpha particle in dry air, at 15°C and 1 atmosphere, is proportional to the cube of its initial velocity.

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