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REAL PART
$1812\text{ to }1825\text{ }(\approx1818) $ MeV
$-2{\times }$IMAGINARY PART
$75\text{ to }80\text{ }(\approx77) $ MeV
Normalized residue in ${{\mathit N}}$ ${{\overline{\mathit K}}}$ $\rightarrow$ ${{\mathit \Lambda}{(1820)}}$ $\rightarrow$ ${{\mathit N}}{{\overline{\mathit K}}}$
$0.60 \pm0.12$
Normalized residue in ${{\mathit N}}$ ${{\overline{\mathit K}}}$ $\rightarrow$ ${{\mathit \Lambda}{(1820)}}$ $\rightarrow$ ${{\mathit \Sigma}}{{\mathit \pi}}$
$0.34 \pm0.07$
Normalized residue in ${{\mathit N}}$ ${{\overline{\mathit K}}}$ $\rightarrow$ ${{\mathit \Lambda}{(1820)}}$ $\rightarrow$ ${{\mathit \Lambda}}{{\mathit \eta}}$
Normalized residue in ${{\mathit N}}$ ${{\overline{\mathit K}}}$ $\rightarrow$ ${{\mathit \Lambda}{(1820)}}$ $\rightarrow$ ${{\mathit \Xi}}{{\mathit K}}$
Normalized residue in ${{\mathit N}}$ ${{\overline{\mathit K}}}$ $\rightarrow$ ${{\mathit \Lambda}{(1820)}}$ $\rightarrow$ ${{\mathit \Sigma}{(1385)}}{{\mathit \pi}}$ , ${\mathit P}{\mathrm -wave}$
$0.07 \pm0.02$
Normalized residue in ${{\mathit N}}$ ${{\overline{\mathit K}}}$ $\rightarrow$ ${{\mathit \Lambda}{(1820)}}$ $\rightarrow$ ${{\mathit \Sigma}{(1385)}}{{\mathit \pi}}$ , ${\mathit F}{\mathrm -wave}$
$0.11 \pm0.04$
Normalized residue in ${{\mathit N}}$ ${{\overline{\mathit K}}}$ $\rightarrow$ ${{\mathit \Lambda}{(1820)}}$ $\rightarrow$ ${{\mathit N}}{{\overline{\mathit K}}^{*}{(892)}}$ , $\mathit S$=1/2 , ${\mathit F}{\mathrm -wave}$
$0.02 \pm0.02$
Normalized residue in ${{\mathit N}}$ ${{\overline{\mathit K}}}$ $\rightarrow$ ${{\mathit \Lambda}{(1820)}}$ $\rightarrow$ ${{\mathit N}}{{\overline{\mathit K}}^{*}{(892)}}$ , $\mathit S$=3/2 , ${\mathit P}{\mathrm -wave}$
$0.35 \pm0.15$
Normalized residue in ${{\mathit N}}$ ${{\overline{\mathit K}}}$ $\rightarrow$ ${{\mathit \Lambda}{(1820)}}$ $\rightarrow$ ${{\mathit N}}{{\overline{\mathit K}}^{*}{(892)}}$ , $\mathit S$=3/2 , ${\mathit F}{\mathrm -wave}$
$0.02 \pm0.02$
${{\mathit \Lambda}{(1820)}}$ MASS
$1815\text{ to }1825\text{ }(\approx1820) $ MeV
${{\mathit \Lambda}{(1820)}}$ WIDTH
$70\text{ to }90\text{ }(\approx80) $ MeV
Mode
Fraction ($\Gamma_i$ / $\Gamma$)
Scale Factor/ Conf. Level
P (MeV/c)
$\Gamma_{1}$ ${{\mathit N}}{{\overline{\mathit K}}}$
55$-65\%$
545
$\Gamma_{2}$ ${{\mathit \Sigma}}{{\mathit \pi}}$
8$-14\%$
509
$\Gamma_{3}$ ${{\mathit \Sigma}{(1385)}}{{\mathit \pi}}$
5$-10\%$
366
$\Gamma_{4}$ ${{\mathit \Sigma}{(1385)}}{{\mathit \pi}}$ , ${\mathit P}{\mathrm -wave}$
366
$\Gamma_{5}$ ${{\mathit \Sigma}{(1385)}}{{\mathit \pi}}$ , ${\mathit F}{\mathrm -wave}$
$(2.0\pm{1.0})\%$
366
$\Gamma_{6}$ ${{\mathit \Lambda}}{{\mathit \eta}}$
351
$\Gamma_{7}$ ${{\mathit \Xi}}{{\mathit K}}$
91
$\Gamma_{8}$ ${{\mathit \Sigma}}{{\mathit \pi}}{{\mathit \pi}}$
469
$\Gamma_{9}$ ${{\mathit N}}{{\overline{\mathit K}}^{*}{(892)}}$ , $\mathit S$=1/2, ${\mathit F}{\mathrm -wave}$
-1
$\Gamma_{10}$ ${{\mathit N}}{{\overline{\mathit K}}^{*}{(892)}}$ , $\mathit S$=3/2, ${\mathit P}{\mathrm -wave}$
$(3.0\pm{1.0})\%$
-1
$\Gamma_{11}$ ${{\mathit N}}{{\overline{\mathit K}}^{*}{(892)}}$ , $\mathit S$=3/2, ${\mathit F}{\mathrm -wave}$
-1