Sigma baryon
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The sigma baryons are a family of subatomic hadron particles which have two quarks from the first flavour generation, and a third quark from a higher flavour generation, in a combination where the wavefunction sign remains constant when any two... Wikipedia
Isospin: 1
Spin: 1⁄2
Composition: ; Σ+: u; u; s; Σ0: u; d; s; Σ−: d; d; s
Family: Baryons
Interactions: Strong, weak, electromagnetic, and gravity
Statistics: Fermionic
Types: 3