${{\mathit \Sigma}}$ BARYONS
($\mathit S$ = $-1$, $\mathit I$ = 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

${{\boldsymbol \Sigma}{(2455)}}$ Bumps

$I(J^P)$ = $1(?^{?})$ 
There is also some slight evidence for ${{\mathit Y}^{*}}$ states in this mass region from the reaction ${{\mathit \gamma}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit K}^{+}}{{\mathit X}}$ $-$ see GREENBERG 1968 .
${{\mathit \Sigma}{(2455)}}$ MASS   $\approx2455$ MeV 
 
${{\mathit \Sigma}{(2455)}}$ WIDTH
 
$\Gamma_{1}$ ${{\mathit N}}{{\overline{\mathit K}}}$  981
 
FOOTNOTES