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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 search

${{\mathit \Lambda}{(2110)}}$

$I(J^P)$ = $0(5/2^{+})$

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.

${{\mathit \Lambda}{(2110)}}$ POLE POSITION

$2048 \pm10$ MeV

$-2{\times }$IMAGINARY PART

$255 \pm20$ MeV

${{\mathit \Lambda}{(2110)}}$ 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 ${{\mathit N}}$ ${{\overline{\mathit K}}}$ $\rightarrow$ ${{\mathit \Lambda}{(2110)}}$ $\rightarrow$ ${{\mathit \Sigma}}{{\mathit \pi}}$

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, ${\mathit P}{\mathrm -wave}$

Normalized residue in ${{\mathit N}}$ ${{\overline{\mathit K}}}$ $\rightarrow$ ${{\mathit \Lambda}{(2110)}}$ $\rightarrow$ ${{\mathit \Lambda}}{{\mathit \omega}}$ , $\mathit S$=3/2, ${\mathit P}{\mathrm -wave}$

Normalized residue in ${{\mathit N}}$ ${{\overline{\mathit K}}}$ $\rightarrow$ ${{\mathit \Lambda}{(2110)}}$ $\rightarrow$ ${{\mathit \Lambda}}{{\mathit \omega}}$ , $\mathit S$=3/2, ${\mathit F}{\mathrm -wave}$

${{\mathit \Lambda}{(2110)}}$ MASS

$2050\text{ to }2130\text{ }(\approx2090) $ MeV

${{\mathit \Lambda}{(2110)}}$ WIDTH

$200\text{ to }300\text{ }(\approx250) $ MeV

${{\mathit \Lambda}{(2110)}}$ Decay Modes

${{\mathit N}}{{\overline{\mathit K}}}$

${{\mathit \Sigma}}{{\mathit \pi}}$

${{\mathit \Lambda}}{{\mathit \omega}}$

${{\mathit \Lambda}}{{\mathit \omega}}$ , $\mathit S$=1/2 , ${\mathit P}{\mathrm -wave}$

${{\mathit \Lambda}}{{\mathit \omega}}$ , $\mathit S$=3/2 , ${\mathit P}{\mathrm -wave}$

$(5.0\pm{2.0})\%$

${{\mathit \Lambda}}{{\mathit \omega}}$ , $\mathit S$=3/2 , ${\mathit F}{\mathrm -wave}$

${{\mathit \Xi}}{{\mathit K}}$

${{\mathit \Sigma}{(1385)}}{{\mathit \pi}}$

${{\mathit \Sigma}{(1385)}}{{\mathit \pi}}$ , ${\mathit P}{\mathrm -wave}$

${{\mathit N}}{{\overline{\mathit K}}^{*}{(892)}}$

${{\mathit N}}{{\overline{\mathit K}}^{*}{(892)}}$ , $\mathit S$=1/2

${{\mathit N}}{{\overline{\mathit K}}^{*}{(892)}}$ , $\mathit S$=3/2, ${\mathit P}{\mathrm -wave}$

FOOTNOTES

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