Baryons Mesons Leptons Gauge
e μ τ ν

Particle mass [MeV] t1/2 Spin/Parity μ [nm] Q [b] Ref. Std Citation doi
μ 105.6583715(35) mean τ 2.1969811(22) × 10-6 s 1/2 anomaly (g-2)/2 = 0.0011659209(6) 10.1088/1674-1137/38/9/090001