| 释义 |
〔meson〕Any of a family of subatomic particles that participate in strong interactions, are composed of a quark and an antiquark, and have masses generally intermediate between leptons and baryons. See table at subatomic particle 介子：任一种具有较强相互作用力的亚原子粒子群，由一夸克与一反夸克构成，并具有通常介于轻子和重子间的质量 参见 subatomic particle〔antiquark〕The antiparticle of a quark.反夸克：夸克的反粒子〔charmonium〕Any of various elementary particles consisting of a charm quark and an antiquark.粲素：由一对粲夸克与反夸克组成的基本粒子的一个 |