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WordNet 3.0Copyright Princeton University
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n. - A particle with an opposite charge from that of an elementary particle in the lepton family (not a meson).

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Usage examples (3)
  • The actual detection was thus only that of an electron (positron) and an antimuon (muon), i.e., two different leptons with opposite charges, which apparently violates...
  • The first indication of a possible new phenomenon was that the research team observed 24 events of the type electron + positron - electron + antimuon + i.p. or electron...
  • (or positron) and an antimuon (or muon) with the opposite sign on its charges were detected.
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