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
n 939.565379(21) mean τ=880.3(11) s 1/2+ -1.9130427(5) d 10.1088/1674-1137/38/9/090001