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REAL PART
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$1585 \pm20$ MeV
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$-2{\times }$IMAGINARY PART
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$290 {}^{+140}_{-40}$ MeV
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Normalized residue in ${{\mathit N}}$ ${{\overline{\mathit K}}}$ $\rightarrow$ ${{\mathit \Sigma}{(1660)}}$ $\rightarrow$ ${{\mathit N}}{{\overline{\mathit K}}}$
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$0.07 \pm0.03$
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Normalized residue in ${{\mathit N}}$ ${{\overline{\mathit K}}}$ $\rightarrow$ ${{\mathit \Sigma}{(1660)}}$ $\rightarrow$ ${{\mathit \Sigma}}{{\mathit \pi}}$
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$0.17 \pm0.04$
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Normalized residue in ${{\mathit N}}$ ${{\overline{\mathit K}}}$ $\rightarrow$ ${{\mathit \Sigma}{(1660)}}$ $\rightarrow$ ${{\mathit \Lambda}}{{\mathit \pi}}$
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$0.16 \pm0.05$
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Normalized residue in ${{\mathit N}}$ ${{\overline{\mathit K}}}$ $\rightarrow$ ${{\mathit \Sigma}{(1660)}}$ $\rightarrow$ ${{\mathit \Sigma}}{{\mathit \sigma}}$
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$0.14 \pm0.06$
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Normalized residue in ${{\mathit N}}$ ${{\overline{\mathit K}}}$ $\rightarrow$ ${{\mathit \Sigma}{(1660)}}$ $\rightarrow$ ${{\mathit \Sigma}{(1385)}}{{\mathit \pi}}$
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Normalized residue in ${{\mathit N}}$ ${{\overline{\mathit K}}}$ $\rightarrow$ ${{\mathit \Sigma}{(1660)}}$ $\rightarrow$ ${{\mathit \Lambda}{(1405)}}{{\mathit \pi}}$
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$0.06 \pm0.03$
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Normalized residue in ${{\mathit N}}$ ${{\overline{\mathit K}}}$ $\rightarrow$ ${{\mathit \Sigma}{(1660)}}$ $\rightarrow$ ${{\mathit \Lambda}{(1520)}}{{\mathit \pi}}$
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$0.04 \pm0.02$
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${{\mathit \Sigma}{(1660)}}$ MASS
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$1640\text{ to }1680\text{ }(\approx1660) $ MeV
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${{\mathit \Sigma}{(1660)}}$ WIDTH
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$100\text{ to }300\text{ }(\approx200) $ MeV
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Mode |
Fraction ($\Gamma_i$ / $\Gamma$) |
Scale Factor/ Conf. Level |
P (MeV/c) |
$\Gamma_{1}$ | ${{\mathit N}}{{\overline{\mathit K}}}$ | |
0.05 to 010 to 0.15
| | 405 |
| $\Gamma_{2}$ | ${{\mathit \Lambda}}{{\mathit \pi}}$ | |
$(35\pm{12})\%$
| | 440 |
| $\Gamma_{3}$ | ${{\mathit \Sigma}}{{\mathit \pi}}$ | |
$(37\pm{10})\%$
| | 387 |
| $\Gamma_{4}$ | ${{\mathit \Sigma}}{{\mathit \sigma}}$ | |
$(20\pm{8})\%$
| | |
| $\Gamma_{5}$ | ${{\mathit \Sigma}{(1385)}}{{\mathit \pi}}$ | |
| | 222 |
| $\Gamma_{6}$ | ${{\mathit \Lambda}{(1405)}}{{\mathit \pi}}$ | |
$(4.0\pm{2.0})\%$
| | 199 |
| $\Gamma_{7}$ | ${{\mathit \Lambda}{(1520)}}{{\mathit \pi}}$ | |
| | 39 |
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