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REAL PART
$1680 \pm8$ MeV
$-2{\times }$IMAGINARY PART
$39 \pm11$ MeV
Normalized residue in ${{\mathit N}}$ ${{\overline{\mathit K}}}$ $\rightarrow$ ${{\mathit \Sigma}{(1620)}}$ $\rightarrow$ ${{\mathit \Sigma}}{{\mathit \pi}}$
$0.14 \pm0.03$
Normalized residue in ${{\mathit N}}$ ${{\overline{\mathit K}}}$ $\rightarrow$ ${{\mathit \Sigma}{(1620)}}$ $\rightarrow$ ${{\mathit \Lambda}}{{\mathit \pi}}$
$0.10 \pm0.03$
Normalized residue in ${{\mathit N}}$ ${{\overline{\mathit K}}}$ $\rightarrow$ ${{\mathit \Sigma}{(1620)}}$ $\rightarrow$ ${{\mathit \Xi}}{{\mathit K}}$
$0.02 \pm0.01$
Normalized residue in ${{\mathit N}}$ ${{\overline{\mathit K}}}$ $\rightarrow$ ${{\mathit \Sigma}{(1620)}}$ $\rightarrow$ ${{\mathit \Lambda}{(1520)}}{{\mathit \pi}}$
$0.12 \pm0.05$
Normalized residue in ${{\mathit N}}$ ${{\overline{\mathit K}}}$ $\rightarrow$ ${{\mathit \Sigma}{(1620)}}$ $\rightarrow$ ${{\mathit \Sigma}{(1385)}}{{\mathit \pi}}$
$0.015 \pm0.010$
Normalized residue in ${{\mathit N}}$ ${{\overline{\mathit K}}}$ $\rightarrow$ ${{\mathit \Sigma}{(1620)}}$ $\rightarrow$ ${{\mathit N}}{{\overline{\mathit K}}^{*}{(892)}}$ , ${\mathit S}{\mathrm -wave}$
$0.05 \pm0.04$
Normalized residue in ${{\mathit N}}$ ${{\overline{\mathit K}}}$ $\rightarrow$ ${{\mathit \Sigma}{(1620)}}$ $\rightarrow$ ${{\mathit N}}{{\overline{\mathit K}}^{*}{(892)}}$ , ${\mathit D}{\mathrm -wave}$
$0.01 \pm0.01$
Normalized residue in ${{\mathit N}}$ ${{\overline{\mathit K}}}$ $\rightarrow$ ${{\mathit \Sigma}{(1620)}}$ $\rightarrow$ ${{\mathit N}}{{\overline{\mathit K}}}$
$0.11 \pm0.03$
${{\mathit \Sigma}{(1620)}}$ MASS
$1600\text{ to }1650\text{ }(\approx1620) $ MeV
${{\mathit \Sigma}{(1620)}}$ WIDTH
$40\text{ to }100\text{ }(\approx70) $ MeV
Mode
Fraction ($\Gamma_i$ / $\Gamma$)
Scale Factor/ Conf. Level
P (MeV/c)
$\Gamma_{1}$ ${{\mathit N}}{{\overline{\mathit K}}}$
0.10 to 0.60
364
$\Gamma_{2}$ ${{\mathit \Lambda}}{{\mathit \pi}}$
$(9.0\pm{3.0})\%$
410
$\Gamma_{3}$ ${{\mathit \Sigma}}{{\mathit \pi}}$
$(17\pm{5})\%$
354
$\Gamma_{4}$ ${{\mathit \Xi}}{{\mathit K}}$
-1
$\Gamma_{5}$ ${{\mathit \Lambda}{(1520)}}{{\mathit \pi}}$
$(10\pm{5})\%$
-1
$\Gamma_{6}$ ${{\mathit \Sigma}{(1385)}}{{\mathit \pi}}$
181