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

${{\boldsymbol \Lambda}{(1800)}}$ $I(J^P)$ = $0(1/2^{-})$

${{\boldsymbol \Lambda}{(1800)}}$ POLE POSITION
 REAL PART $1809 \pm9$ MeV
 $-2{\times }$IMAGINARY PART $205 \pm16$ MeV
${{\boldsymbol \Lambda}{(1800)}}$ POLE RESIDUES
 Normalized residue in ${{\mathit N}}$ ${{\overline{\mathit K}}}$ $\rightarrow$ ${{\mathit \Lambda}{(1800)}}$ $\rightarrow$ ${{\mathit N}}{{\overline{\mathit K}}}$ $0.34 \pm0.07$
 Normalized residue in ${{\mathit N}}$ ${{\overline{\mathit K}}}$ $\rightarrow$ ${{\mathit \Lambda}{(1800)}}$ $\rightarrow$ ${{\mathit \Sigma}}{{\mathit \pi}}$ $0.30 \pm0.06$
 Normalized residue in ${{\mathit N}}$ ${{\overline{\mathit K}}}$ $\rightarrow$ ${{\mathit \Lambda}{(1800)}}$ $\rightarrow$ ${{\mathit \Lambda}}{{\mathit \eta}}$ $0.06 \pm0.03$
 Normalized residue in ${{\mathit N}}$ ${{\overline{\mathit K}}}$ $\rightarrow$ ${{\mathit \Lambda}{(1800)}}$ $\rightarrow$ ${{\mathit \Lambda}}{{\mathit \sigma}}$ $0.24 \pm0.05$
 Normalized residue in ${{\mathit N}}$ ${{\overline{\mathit K}}}$ $\rightarrow$ ${{\mathit \Lambda}{(1800)}}$ $\rightarrow$ ${{\mathit \Lambda}}{{\mathit \omega}}$ , $\mathit S$=1/2, ${\mathit S}{\mathrm -wave}$ $0.12 \pm0.04$
 Normalized residue in ${{\mathit N}}$ ${{\overline{\mathit K}}}$ $\rightarrow$ ${{\mathit \Lambda}{(1800)}}$ $\rightarrow$ ${{\mathit \Lambda}}{{\mathit \omega}}$ , $\mathit S$=3/2, ${\mathit D}{\mathrm -wave}$ $0.08 \pm0.03$
 Normalized residue in ${{\mathit N}}$ ${{\overline{\mathit K}}}$ $\rightarrow$ ${{\mathit \Lambda}{(1800)}}$ $\rightarrow$ ${{\mathit \Sigma}{(1385)}}{{\mathit \pi}}$ $0.16 \pm0.06$
 Normalized residue in ${{\mathit N}}$ ${{\overline{\mathit K}}}$ $\rightarrow$ ${{\mathit \Lambda}{(1800)}}$ $\rightarrow$ ${{\mathit N}}{{\overline{\mathit K}}^{*}{(892)}}$ , $\mathit S$=1/2, ${\mathit S}{\mathrm -wave}$ $0.18 \pm0.06$
 Normalized residue in ${{\mathit N}}$ ${{\overline{\mathit K}}}$ $\rightarrow$ ${{\mathit \Lambda}{(1800)}}$ $\rightarrow$ ${{\mathit N}}{{\overline{\mathit K}}^{*}{(892)}}$ , $\mathit S$=3/2, ${\mathit D}{\mathrm -wave}$ $0.09 \pm0.07$
 ${{\mathit \Lambda}{(1800)}}$ MASS $1750\text{ to }1850\text{ }(\approx1800)$ MeV
 ${{\mathit \Lambda}{(1800)}}$ WIDTH $150\text{ to }250\text{ }(\approx200)$ MeV