muon :

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  • n  an elementary particle with a negative charge and a half-life of 2 microsecond; decays to electron and neutrino and antineutrino

  • Be cause the muon leaves a wake of ionized gas, which conducts electricity, a spark will jump between each pair of plates along the path of the particle.
  • One clue was the detection of a muon, a close relative of the electron.
  • Aimed beyond the earth's atmosphere, a muon beam would be bent down toward the surface again by the earth's magnetic field and could be detected hundreds of miles from its point of .

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