lepton

Definitions of lepton
  1. noun
    an elementary particle that participates in weak interactions; has a baryon number of 0
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    types:
    elektron
    an elementary particle with negative charge
    muon
    an elementary particle with a negative charge and a half-life of 2 microsecond; decays to electron and neutrino and antineutrino
    neutrino
    an elementary particle with zero charge and zero mass
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