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nouna particle that has the same mass as another particle but has opposite values for its other properties; interaction of a particle and its antiparticle results in annihilation and the production of radiant energytype of:
Definition that contains antiparticle
- photon a quantum of electromagnetic radiation; an elementary particle that is its own antiparticle
- antimatter matter consisting of elementary particles that are the antiparticles of those making up normal substances
- antimuon the antiparticle of a muon; decays to positron and neutrino and antineutrino
- antilepton the antiparticle of a lepton
- antiproton an unstable negatively charged proton; the antiparticle of a proton
- antiquark the antiparticle of a quark
- antineutrino the antiparticle of a neutrino
- antibaryon the antiparticle of a baryon; a hadron with a baryon number of -1
- positive muon the antiparticle of a muon; decays to positron and neutrino and antineutrino
- antineutron the antiparticle of a neutron