Particle | Symbol | Makeup | Rest mass MeV/c2 | Spin | B | S | Lifetime (seconds) | Decay Modes |
Proton | p | uud | 938.3 | 1/2 | +1 | 0 | Stable | ... |
Neutron | n | ddu | 939.6 | 1/2 | +1 | 0 | 920 | pe-νe |
Lambda | Λ0 | uds | 1115.6 | 1/2 | +1 | -1 | 2.6 x10-10 | pπ-, nπ0 |
Sigma | Σ+ | uus | 1189.4 | 1/2 | +1 | -1 | 0.8 x10-10 | pπ0, nπ+ |
| Σ0 | uds | 1192.5 | 1/2 | +1 | -1 | 6x10-20 | Λ0γ |
Sigma | Σ- | dds | 1197.3 | 1/2 | +1 | -1 | 1.5 x10-10 | nπ- |
Delta | Δ++ | uuu | 1232 | 3/2 | +1 | 0 | 0.6 x10-23 | pπ+ |
Delta | Δ+ | uud | 1232 | 3/2 | +1 | 0 | 0.6 x10-23 | pπ0 |
Delta | Δ0 | udd | 1232 | 3/2 | +1 | 0 | 0.6 x10-23 | nπ0 |
Delta | Δ- | ddd | 1232 | 3/2 | +1 | 0 | 0.6 x10-23 | nπ- |
Xi Cascade | Ξ0 | uss | 1315 | 1/2 | +1 | -2 | 2.9 x10-10 | Λ0π0 |
Xi Cascade | Ξ- | dss | 1321 | 1/2 | +1 | -2 | 1.64 x10-10 | Λ0π- |
Omega | Ω- | sss | 1672 | 3/2 | +1 | -3 | 0.82 x10-10 | Ξ0π-, Λ0K- |
Lambda | Λ+c | udc | 2281 | 1/2 | +1 | 0 | 2x10-13 | ... |