${{\boldsymbol \Sigma}}$ BARYONS
($\boldsymbol S$ = $-1$, $\boldsymbol I$ = 1)
${{\mathit \Sigma}^{+}}$ = ${\mathit {\mathit u}}$ ${\mathit {\mathit u}}$ ${\mathit {\mathit s}}$, ${{\mathit \Sigma}^{0}}$ = ${\mathit {\mathit u}}$ ${\mathit {\mathit d}}$ ${\mathit {\mathit s}}$, ${{\mathit \Sigma}^{-}}$ = ${\mathit {\mathit d}}$ ${\mathit {\mathit d}}$ ${\mathit {\mathit s}}$

INSPIRE search

${{\boldsymbol \Sigma}{(3000)}}$ Bumps $I(J^P)$ = $1(?^{?})$

Seen as an enhancement in ${{\mathit \Lambda}}{{\mathit \pi}}$ and ${{\overline{\mathit K}}}{{\mathit N}}$ invariant mass spectra and in the missing mass of neutrals recoiling against a ${{\mathit K}^{0}}$.

${{\mathit \Sigma}{(3000)}}$ MASS

$\approx3000$ MeV

Decay Modes

$\Gamma_{1}$

${{\mathit N}}{{\overline{\mathit K}}}$

1304

$\Gamma_{2}$

${{\mathit \Lambda}}{{\mathit \pi}}$

1289