| 释义 |
charmonium
char·mo·ni·um C0254700 (chär-mō′nē-əm)n. Any of various elementary particles consisting of a charm quark and an antiquark.
[From charm.]charmonium (tʃɑːˈməʊnɪəm) n, pl -nia (Atomic Physics) physics an elementary particle that contains an antiquark and a charm quark[C20: from charm (sense 7)]charmonium
charmonium[chär′mō·nē·əm] (particle physics) A meson, such as the J /ψ particle, that is made up of the charmed quark c and its antiparticle c̄. |