| 释义 |
Gell-Mann-Okubo mass formula [`gel¦män ´ō·ku̇·bō ¦mas ¦fȯr·myǝ·lǝ] 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. |