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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   JSON PDGID: B167

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

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▸  exp ${{\mathit \Sigma}{(1900)}}$ POLE POSITION

REAL PART $1936$ $\pm10$

$-2{\times }$IMAGINARY PART $150$ $\pm25$

▸  exp ${{\mathit \Sigma}{(1900)}}$ 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 TO 1950 $(\approx 1925 )$ MeV

${{\mathit \Sigma}{(1900)}}$ WIDTH 140 TO 190 $(\approx 165 )$ MeV

${{\mathit \Sigma}{(1900)}}$ DECAY MODES

Mode   Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/ Conf. Level P(MeV/c)   $\Gamma_{1}$ ${{\mathit N}}{{\overline{\mathit K}}}$ 0.40 TO 0.70 $(\approx 0.55 )$ 626   $\Gamma_{2}$ ${{\mathit \Sigma}}{{\mathit \pi}}$ 0.10 TO 0.40 $(\approx 0.25 )$ 584   $\Gamma_{3}$ ${{\mathit \Sigma}}{{\mathit \eta}}$ ($1.0$ $\pm1.0$ ) $\%$ 391   $\Gamma_{4}$ ${{\mathit \Lambda}}{{\mathit \pi}}$ ($6.0$ $\pm2.0$ ) $\%$ 630   $\Gamma_{5}$ ${{\mathit \Xi}}{{\mathit K}}$ ($3.0$ $\pm2.0$ ) $\%$ 298   $\Gamma_{6}$ ${{\mathit \Sigma}{(1385)}}{{\mathit \pi}}$ ($7.0$ $\pm3.0$ ) $\%$ 451   $\Gamma_{7}$ ${{\mathit \Lambda}{(1520)}}{{\mathit \pi}}$ 342   $\Gamma_{8}$ ${{\mathit \Delta}}{{\overline{\mathit K}}}$ ($2.5$ $\pm1.0$ ) $\%$ 394   $\Gamma_{9}$ ${{\mathit N}}{{\overline{\mathit K}}^{*}{(892)}}$ , $\mathit S$=1/2 , ${\mathit S}{\mathrm -wave}$ ($7.0$ $\pm3.0$ ) $\%$ 299   $\Gamma_{10}$ ${{\mathit N}}{{\overline{\mathit K}}^{*}{(892)}}$ , $\mathit S$=3/2 , ${\mathit D}{\mathrm -wave}$ 299