toponium

English

Etymology

top +‎ -onium From top quark and "-onium" as in positronium.

Noun

toponium (plural toponiums or toponia)

(physics) Any hypothetical meson formed from a top quark and its antiquark; would be very unstable because of the large mass of the top quark

Translations

hypothetical meson

French: toponium m
Russian: топо́ний m (topónij)

See also

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