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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   JSON PDGID: B036

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

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▸  exp ${{\mathit \Lambda}{(1800)}}$ POLE POSITION

REAL PART $1809$ $\pm9$ MeV

$-2{\times }$IMAGINARY PART $205$ $\pm16$ MeV

▸  exp ${{\mathit \Lambda}{(1800)}}$ 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 TO 1850 $(\approx 1800 )$ MeV

${{\mathit \Lambda}{(1800)}}$ WIDTH 150 TO 250 $(\approx 200 )$ MeV

${{\mathit \Lambda}{(1800)}}$ DECAY MODES

Mode   Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/ Conf. Level P(MeV/c)   $\Gamma_{1}$ ${{\mathit N}}{{\overline{\mathit K}}}$ $(25-40) \%$ 528   $\Gamma_{2}$ ${{\mathit \Sigma}}{{\mathit \pi}}$ ($27$ $\pm6$ ) $\%$ 494   $\Gamma_{3}$ ${{\mathit \Lambda}}{{\mathit \sigma}}$ ($15$ $\pm4$ ) $\%$     $\Gamma_{4}$ ${{\mathit \Sigma}{(1385)}}{{\mathit \pi}}$ ($9$ $\pm4$ ) $\%$ 349   $\Gamma_{5}$ ${{\mathit \Lambda}}{{\mathit \eta}}$ 0.01 to 0.10 326   $\Gamma_{6}$ ${{\mathit N}}{{\overline{\mathit K}}^{*}{(892)}}$ seen -1   $\Gamma_{7}$ ${{\mathit N}}{{\overline{\mathit K}}^{*}{(892)}}$ , $\mathit S$=1/2, ${\mathit S}{\mathrm -wave}$ -1   $\Gamma_{8}$ ${{\mathit N}}{{\overline{\mathit K}}^{*}{(892)}}$ , $\mathit S$=3/2, ${\mathit D}{\mathrm -wave}$ -1