${{\boldsymbol \Sigma}}$ 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

# ${{\boldsymbol \Sigma}{(1900)}}$ $I(J^P)$ = $1(1/2^{-})$

${{\boldsymbol \Sigma}{(1900)}}$ POLE POSITION
 REAL PART $1936 \pm10$
 $-2{\times }$IMAGINARY PART $150 \pm25$
${{\boldsymbol \Sigma}{(1900)}}$ POLE RESIDUES
 Normalized residue in ${{\mathit N}}$ ${{\overline{\mathit K}}}$ $\rightarrow$ ${{\mathit \Sigma}{(1900)}}$ $\rightarrow$ ${{\mathit N}}{{\overline{\mathit K}}}$ $0.45 \pm0.09$
 Normalized residue in ${{\mathit N}}$ ${{\overline{\mathit K}}}$ $\rightarrow$ ${{\mathit \Sigma}{(1900)}}$ $\rightarrow$ ${{\mathit \Sigma}}{{\mathit \pi}}$ $0.38 \pm0.08$
 Normalized residue in ${{\mathit N}}$ ${{\overline{\mathit K}}}$ $\rightarrow$ ${{\mathit \Sigma}{(1900)}}$ $\rightarrow$ ${{\mathit \Sigma}}{{\mathit \eta}}$ $0.03 \pm0.01$
 Normalized residue in ${{\mathit N}}$ ${{\overline{\mathit K}}}$ $\rightarrow$ ${{\mathit \Sigma}{(1900)}}$ $\rightarrow$ ${{\mathit \Lambda}}{{\mathit \pi}}$ $0.14 \pm0.05$
 Normalized residue in ${{\mathit N}}$ ${{\overline{\mathit K}}}$ $\rightarrow$ ${{\mathit \Sigma}{(1900)}}$ $\rightarrow$ ${{\mathit \Xi}}{{\mathit K}}$ $0.08 \pm0.05$
 Normalized residue in ${{\mathit N}}$ ${{\overline{\mathit K}}}$ $\rightarrow$ ${{\mathit \Sigma}{(1900)}}$ $\rightarrow$ ${{\mathit \Sigma}{(1385)}}{{\mathit \pi}}$ $0.16 \pm0.05$
 Normalized residue in ${{\mathit N}}$ ${{\overline{\mathit K}}}$ $\rightarrow$ ${{\mathit \Sigma}{(1900)}}$ $\rightarrow$ ${{\mathit \Lambda}{(1520)}}{{\mathit \pi}}$ $0.04 \pm0.02$
 Normalized residue in ${{\mathit N}}$ ${{\overline{\mathit K}}}$ $\rightarrow$ ${{\mathit \Sigma}{(1900)}}$ $\rightarrow$ ${{\mathit \Delta}}{{\overline{\mathit K}}}$ $0.11 \pm0.04$
 Normalized residue in ${{\mathit N}}$ ${{\overline{\mathit K}}}$ $\rightarrow$ ${{\mathit \Sigma}{(1900)}}$ $\rightarrow$ ${{\mathit N}}{{\overline{\mathit K}}^{*}{(892)}}$ , $\mathit S$=1/2, ${\mathit S}{\mathrm -wave}$ $0.17 \pm0.06$
 Normalized residue in ${{\mathit N}}$ ${{\overline{\mathit K}}}$ $\rightarrow$ ${{\mathit \Sigma}{(1900)}}$ $\rightarrow$ ${{\mathit N}}{{\overline{\mathit K}}^{*}{(892)}}$ , $\mathit S$=3/2, ${\mathit D}{\mathrm -wave}$ $0.05 \pm0.04$
 ${{\mathit \Sigma}{(1900)}}$ MASS $1900\text{ to }1950\text{ }(\approx1925)$ MeV
 ${{\mathit \Sigma}{(1900)}}$ WIDTH $140\text{ to }190\text{ }(\approx165)$ MeV