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${{\mathit \Lambda}}$ BARYONS ($\mathit S$ = $-1$, $\mathit I$ = 0) ${{\mathit \Lambda}^{0}}$ = ${\mathit {\mathit u}}$ ${\mathit {\mathit d}}$ ${\mathit {\mathit s}}$

INSPIRE

${{\mathit \Lambda}{(1600)}}$ $I(J^P)$ = $0(1/2^{+})$

${{\mathit \Lambda}{(1600)}}$ POLE POSITION

REAL PART   $1540\text{ to }1560\text{ }(\approx1550) $ MeV

$-2{\times }$IMAGINARY PART   $120\text{ to }240\text{ }(\approx180) $ MeV

${{\mathit \Lambda}{(1600)}}$ POLE RESIDUES

Normalized residue in ${{\mathit N}}$ ${{\overline{\mathit K}}}$ $\rightarrow$ ${{\mathit \Lambda}{(1600)}}$ $\rightarrow$ ${{\mathit N}}{{\overline{\mathit K}}}$   $0.36 \pm0.07$

Normalized residue in ${{\mathit N}}$ ${{\overline{\mathit K}}}$ $\rightarrow$ ${{\mathit \Lambda}{(1600)}}$ $\rightarrow$ ${{\mathit \Sigma}}{{\mathit \pi}}$   $0.39 \pm0.08$

Normalized residue in ${{\mathit N}}$ ${{\overline{\mathit K}}}$ $\rightarrow$ ${{\mathit \Lambda}{(1600)}}$ $\rightarrow$ ${{\mathit \Lambda}}{{\mathit \eta}}$   $0.22 \pm0.13$

Normalized residue in ${{\mathit N}}$ ${{\overline{\mathit K}}}$ $\rightarrow$ ${{\mathit \Lambda}{(1600)}}$ $\rightarrow$ ${{\mathit \Lambda}}{{\mathit \sigma}}$   $0.30 \pm0.06$

Normalized residue in ${{\mathit N}}$ ${{\overline{\mathit K}}}$ $\rightarrow$ ${{\mathit \Lambda}{(1600)}}$ $\rightarrow$ ${{\mathit \Sigma}{(1385)}}{{\mathit \pi}}$   $0.37 \pm0.07$

Normalized residue in ${{\mathit N}}$ ${{\overline{\mathit K}}}$ $\rightarrow$ ${{\mathit \Lambda}{(1600)}}$ $\rightarrow$ ${{\mathit N}}{{\overline{\mathit K}}^{*}{(892)}}$ , $\mathit S$=1/2, ${\mathit P}{\mathrm -wave}$   $0.02 \pm0.01$

Normalized residue in ${{\mathit N}}$ ${{\overline{\mathit K}}}$ $\rightarrow$ ${{\mathit \Lambda}{(1600)}}$ $\rightarrow$ ${{\mathit N}}{{\overline{\mathit K}}^{*}{(892)}}$ , $\mathit S$=3/2, ${\mathit P}{\mathrm -wave}$   $0.02 \pm0.01$

${{\mathit \Lambda}{(1600)}}$ MASS   $1570\text{ to }1630\text{ }(\approx1600) $ MeV

${{\mathit \Lambda}{(1600)}}$ WIDTH   $150\text{ to }250\text{ }(\approx200) $ MeV

${{\mathit \Lambda}{(1600)}}$ Decay Modes
Mode   Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/ Conf. Level P(MeV/c)   $\Gamma_{1}$ ${{\mathit N}}{{\overline{\mathit K}}}$   15$-30\%$ 343   $\Gamma_{2}$ ${{\mathit \Sigma}}{{\mathit \pi}}$   10$-60\%$ 338   $\Gamma_{3}$ ${{\mathit \Lambda}}{{\mathit \sigma}}$   $(19\pm{4})\%$     $\Gamma_{4}$ ${{\mathit \Sigma}{(1385)}}{{\mathit \pi}}$   $(9\pm{4})\%$ 158
FOOTNOTES