Gell-Mann-Okubo mass formula

Gell-Mann-Okubo mass formula

[′gel¦män ‚ō·ku̇·bō ¦mas ¦fȯr·myə·lə]
(particle physics)
A formula, based on SU(3) symmetry, giving the masses of the members of a unitary multiplet of mesons or baryons in terms of their total isotopic spin, hypercharge, and coefficients characteristic of the multiplet considered.
Mentioned in ?