mu-meson


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Related to mu-meson: muon neutrino, tau neutrino, Tau particle
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Noun1.mu-meson - an elementary particle with a negative charge and a half-life of 2 microsecond; decays to electron and neutrino and antineutrino
lepton - an elementary particle that participates in weak interactions; has a baryon number of 0
References in periodicals archive ?
It turned out, however, that the mu-meson was not the particle Yukawa had postulated.
With the arrival of a mu-meson, the counter fires, and based on the time delay since the last arrival, one of the sculpture's flash lamps is triggered.
As the pions traveled away from the target they disintegrated into mu-mesons (muons) and neutrinos.