Second-generation charged lepton: spin-½, charge −e, mass 105.66 MeV/c². Unstable, mean lifetime 2.20 μs, decays via weak interaction to e⁻ + ν̄_e + ν_μ. Produced abundantly in cosmic-ray showers; used as a probe (μSR) in condensed-matter…
Second-generation charged lepton: spin-½, charge −e, mass 105.66 MeV/c². Unstable, mean lifetime 2.20 μs, decays via weak interaction to e⁻ + ν̄_e + ν_μ. Produced abundantly in cosmic-ray showers; used as a probe (μSR) in condensed-matter…