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${{\mathit \Sigma}}$ 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

${{\mathit \Sigma}{(2100)}}$ $I(J^P)$ = $1(7/2^{-})$

${{\mathit \Sigma}{(2100)}}$ POLE POSITION

REAL PART   $2093 \pm16$ MeV

$-2{\times }$IMAGINARY PART   $210 \pm35$ MeV

${{\mathit \Sigma}{(2100)}}$ POLE RESIDUES

Normalized residue in ${{\mathit N}}$ ${{\overline{\mathit K}}}$ $\rightarrow$ ${{\mathit \Sigma}{(2100)}}$ $\rightarrow$ ${{\mathit N}}{{\overline{\mathit K}}}$   $0.09 \pm0.02$

Normalized residue in ${{\mathit N}}$ ${{\overline{\mathit K}}}$ $\rightarrow$ ${{\mathit \Sigma}{(2100)}}$ $\rightarrow$ ${{\mathit \Sigma}}{{\mathit \pi}}$   $0.04 \pm0.02$

Normalized residue in ${{\mathit N}}$ ${{\overline{\mathit K}}}$ $\rightarrow$ ${{\mathit \Sigma}{(2100)}}$ $\rightarrow$ ${{\mathit \Lambda}}{{\mathit \pi}}$   $0.03 \pm0.02$

Normalized residue in ${{\mathit N}}$ ${{\overline{\mathit K}}}$ $\rightarrow$ ${{\mathit \Sigma}{(2100)}}$ $\rightarrow$ ${{\mathit \Xi}}{{\mathit K}}$   $0.010 \pm0.005$

Normalized residue in ${{\mathit N}}$ ${{\overline{\mathit K}}}$ $\rightarrow$ ${{\mathit \Sigma}{(2100)}}$ $\rightarrow$ ${{\mathit \Lambda}{(1520)}}{{\mathit \pi}}$ , ${\mathit F}{\mathrm -wave}$   $0.02 \pm0.01$

Normalized residue in ${{\mathit N}}$ ${{\overline{\mathit K}}}$ $\rightarrow$ ${{\mathit \Sigma}{(2100)}}$ $\rightarrow$ ${{\mathit \Lambda}{(1520)}}{{\mathit \pi}}$ , ${\mathit H}{\mathrm -wave}$   $0.01 \pm0.01$

Normalized residue in ${{\mathit N}}$ ${{\overline{\mathit K}}}$ $\rightarrow$ ${{\mathit \Sigma}{(2100)}}$ $\rightarrow$ ${{\mathit \Sigma}{(1385)}}{{\mathit \pi}}$ , ${\mathit D}{\mathrm -wave}$   $0.10 \pm0.03$

Normalized residue in ${{\mathit N}}$ ${{\overline{\mathit K}}}$ $\rightarrow$ ${{\mathit \Sigma}{(2100)}}$ $\rightarrow$ ${{\mathit \Sigma}{(1385)}}{{\mathit \pi}}$ , ${\mathit G}{\mathrm -wave}$   $0.03 \pm0.01$

Normalized residue in ${{\mathit N}}$ ${{\overline{\mathit K}}}$ $\rightarrow$ ${{\mathit \Sigma}{(2100)}}$ $\rightarrow$ ${{\mathit \Delta}}{{\overline{\mathit K}}}$ , ${\mathit G}{\mathrm -wave}$   $0.04 \pm0.02$

Normalized residue in ${{\mathit N}}$ ${{\overline{\mathit K}}}$ $\rightarrow$ ${{\mathit \Sigma}{(2100)}}$ $\rightarrow$ ${{\mathit N}}{{\overline{\mathit K}}^{*}{(892)}}$ , S=3/2, ${\mathit D}{\mathrm -wave}$   $0.08 \pm0.04$

${{\mathit \Sigma}{(2100)}}$ MASS   $\approx2100$ MeV

${{\mathit \Sigma}{(2100)}}$ WIDTH

${{\mathit \Sigma}{(2100)}}$ Decay Modes
Mode   Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/ Conf. Level P(MeV/c)   $\Gamma_{1}$ ${{\mathit N}}{{\overline{\mathit K}}}$   $(8.0\pm{2.0})\%$ 751   $\Gamma_{2}$ ${{\mathit \Lambda}}{{\mathit \pi}}$   $(1.5\pm{1.0})\%$ 746   $\Gamma_{3}$ ${{\mathit \Sigma}}{{\mathit \pi}}$   $(2.0\pm{1.0})\%$ 705   $\Gamma_{4}$ ${{\mathit \Xi}}{{\mathit K}}$   491   $\Gamma_{5}$ ${{\mathit \Sigma}{(1385)}}{{\mathit \pi}}$ , ${\mathit D}{\mathrm -wave}$   $(12\pm{6})\%$ 584   $\Gamma_{6}$ ${{\mathit \Sigma}{(1385)}}{{\mathit \pi}}$ , ${\mathit G}{\mathrm -wave}$   584   $\Gamma_{7}$ ${{\mathit \Lambda}{(1520)}}{{\mathit \pi}}$ , ${\mathit F}{\mathrm -wave}$   $(1.0\pm{1.0})\%$ 487   $\Gamma_{8}$ ${{\mathit \Lambda}{(1520)}}{{\mathit \pi}}$ , ${\mathit H}{\mathrm -wave}$   487   $\Gamma_{9}$ ${{\mathit N}}{{\overline{\mathit K}}^{*}{(892)}}$ , $\mathit S$=3/2 , ${\mathit D}{\mathrm -wave}$   $(6.0\pm{3.0})\%$ 515   $\Gamma_{10}$ ${{\mathit \Delta}}{{\overline{\mathit K}}}$ , ${\mathit G}{\mathrm -wave}$   $(1.0\pm{1.0})\%$ 560
FOOTNOTES