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

${{\boldsymbol \Lambda}{(2110)}}$ $I(J^P)$ = $0(5/2^{+})$ 

For results published before 1974 (they are now obsolete), see our 1982 edition Physics Letters 111B 1 (1982). All the references have been retained. This resonance is in the Baryon Summary Table, but the evidence for it could be better.
${{\boldsymbol \Lambda}{(2110)}}$ POLE POSITION
REAL PART   $2048 \pm10$ MeV 
$-2{\times }$IMAGINARY PART   $255 \pm20$ MeV 
${{\boldsymbol \Lambda}{(2110)}}$ POLE RESIDUE
Normalized residue in ${{\mathit N}}$ ${{\overline{\mathit K}}}$ $\rightarrow$ ${{\mathit \Lambda}{(2110)}}$ $\rightarrow$ ${{\mathit N}}{{\overline{\mathit K}}}$   $0.020 \pm0.005$  
Normalized residue in ${{\mathit N}}$ ${{\overline{\mathit K}}}$ $\rightarrow$ ${{\mathit \Lambda}{(2110)}}$ $\rightarrow$ ${{\mathit \Sigma}}{{\mathit \pi}}$   $0.13 \pm0.03$  
Normalized residue in ${{\mathit N}}$ ${{\overline{\mathit K}}}$ $\rightarrow$ ${{\mathit \Lambda}{(2110)}}$ $\rightarrow$ ${{\mathit \Xi}}{{\mathit K}}$   $0.005 \pm0.005$  
Normalized residue in ${{\mathit N}}$ ${{\overline{\mathit K}}}$ $\rightarrow$ ${{\mathit \Lambda}{(2110)}}$ $\rightarrow$ ${{\mathit \Lambda}}{{\mathit \omega}}$ , $\mathit S$=1/2, ${\mathit P}{\mathrm -wave}$   $0.01 \pm0.01$  
Normalized residue in ${{\mathit N}}$ ${{\overline{\mathit K}}}$ $\rightarrow$ ${{\mathit \Lambda}{(2110)}}$ $\rightarrow$ ${{\mathit \Lambda}}{{\mathit \omega}}$ , $\mathit S$=3/2, ${\mathit P}{\mathrm -wave}$   $0.03 \pm0.01$  
Normalized residue in ${{\mathit N}}$ ${{\overline{\mathit K}}}$ $\rightarrow$ ${{\mathit \Lambda}{(2110)}}$ $\rightarrow$ ${{\mathit \Lambda}}{{\mathit \omega}}$ , $\mathit S$=3/2, ${\mathit F}{\mathrm -wave}$   $0.01 \pm0.01$  
${{\mathit \Lambda}{(2110)}}$ MASS   $2050\text{ to }2130\text{ }(\approx2090) $ MeV 
${{\mathit \Lambda}{(2110)}}$ WIDTH   $200\text{ to }300\text{ }(\approx250) $ MeV 
$\Gamma_{1}$ ${{\mathit N}}{{\overline{\mathit K}}}$  5$-25\%$ 744
$\Gamma_{2}$ ${{\mathit \Sigma}}{{\mathit \pi}}$  10$-40\%$ 698
$\Gamma_{3}$ ${{\mathit \Lambda}}{{\mathit \omega}}$  seen 432
$\Gamma_{4}$ ${{\mathit \Lambda}}{{\mathit \omega}}$ , $\mathit S$=1/2 , ${\mathit P}{\mathrm -wave}$  432
$\Gamma_{5}$ ${{\mathit \Lambda}}{{\mathit \omega}}$ , $\mathit S$=3/2 , ${\mathit P}{\mathrm -wave}$  $(5.0\pm{2.0})\%$ 432
$\Gamma_{6}$ ${{\mathit \Lambda}}{{\mathit \omega}}$ , $\mathit S$=3/2 , ${\mathit F}{\mathrm -wave}$  432
$\Gamma_{7}$ ${{\mathit \Xi}}{{\mathit K}}$  482
$\Gamma_{8}$ ${{\mathit \Sigma}{(1385)}}{{\mathit \pi}}$  seen 576
$\Gamma_{9}$ ${{\mathit \Sigma}{(1385)}}{{\mathit \pi}}$ , ${\mathit P}{\mathrm -wave}$  576
$\Gamma_{10}$ ${{\mathit N}}{{\overline{\mathit K}}^{*}{(892)}}$  10$-60\%$ 505
$\Gamma_{11}$ ${{\mathit N}}{{\overline{\mathit K}}^{*}{(892)}}$ , $\mathit S$=1/2  505
$\Gamma_{12}$ ${{\mathit N}}{{\overline{\mathit K}}^{*}{(892)}}$ , $\mathit S$=3/2, ${\mathit P}{\mathrm -wave}$  505