${{\mathit \Lambda}}$ BARYONS
($\mathit S$ = $-1$, $\mathit I$ = 0)
${{\mathit \Lambda}^{0}}$ = ${\mathit {\mathit u}}$ ${\mathit {\mathit d}}$ ${\mathit {\mathit s}}$
INSPIRE   JSON PDGID:
B101

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

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