Definition of charmonium in English:

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charmonium

Pronunciation: /tʃɑːˈməʊnɪəm/

noun (plural charmonia)

Physics
A combination of a charmed quark and antiquark.
Example sentences
  • The measurement of the production rate of the J / and other charmonium mesons was a key indicator of possible new phenomena in the pioneering CERN experiments.
  • The hadron is represented by an external color field and the charmonium is represented by a small color dipole.
  • Using the ingredients from those calculations we calculate also exclusive electroproduction of charmonia off nuclei.

Origin

1970s: from charm (sense 4 of the noun).

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