"0"^^ . . . "an elementary particle with a negative charge and a half-life of 2 microsecond; decays to electron and neutrino and antineutrino"@en-us . . . . . "muon"@en-us . . "108776622"@en-us . . "109363214"^^ . . "negative muon"@en-us . "0.107907"^^ . "0"^^ . "muon"^^ . "0.229233"^^ . . "0.0"^^ . "106679316"@en-us . "0.231448"^^ . "0.0"^^ . . "mu-meson"@en-us . "09363214-n"^^ . "0.0364279"^^ . "0.0"^^ . "0.394985"^^ . .