Baryons Mesons Leptons Gauge
n p Δ Λ Σ Ξ Ω

Particle mass [MeV] t1/2 Spin/Parity μ [nm] Q [b] Ref. Std Citation doi
Σ+ 1189.37(7) mean τ=8.018(26) × 10-11 s 1/2+ 2.458(10) 10.1088/1674-1137/38/9/090001
Σo 1192.642(24) mean τ=0.074(7) × 10-18 s 1/2+ 1.61(8) (transition |μ(Σo→Λ)|) 10.1088/1674-1137/38/9/090001
Σ- 1197.449(30) mean τ=1.479(11) × 10-10 s 1/2+ -1.160(25) 10.1088/1674-1137/38/9/090001