Gell-Mann relation

Gell-Mann relation

[′gel¦män ri‚lā·shən]
(particle physics)
A relation, derived from the Gell-Mann-Okubo mass formula, between the masses of the pi, eta, and K mesons of a meson octet.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.