baryonium

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English[edit]

Etymology[edit]

baryon +‎ -ium

Noun[edit]

baryonium (plural baryoniums or baryonia)

  1. (physics) A particle-like resonance preferentially coupled to baryon-antibaryon channels. It is described either as a baryon-antibaryon compound or composed of a diquark and an antidiquark.
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