J particle

/dʒeɪ ˌpɑrdəkəl/
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Definitions of J particle
  1. noun
    a neutral meson with a large mass
    synonyms: psi particle
    see moresee less
    type of:
    meson, mesotron
    an elementary particle responsible for the forces in the atomic nucleus; a hadron with a baryon number of 0
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