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${{\mathit \Sigma}}$ BARYONS ($\mathit S$ = $-1$, $\mathit I$ = 1) ${{\mathit \Sigma}^{+}}$ = ${\mathit {\mathit u}}$ ${\mathit {\mathit u}}$ ${\mathit {\mathit s}}$, ${{\mathit \Sigma}^{0}}$ = ${\mathit {\mathit u}}$ ${\mathit {\mathit d}}$ ${\mathit {\mathit s}}$, ${{\mathit \Sigma}^{-}}$ = ${\mathit {\mathit d}}$ ${\mathit {\mathit d}}$ ${\mathit {\mathit s}}$

INSPIRE   JSON  (beta) PDGID: B166

${{\mathit \Sigma}{(1780)}}$ $I(J^P)$ = $1(3/2^{+})$

was ${{\mathit \Sigma}{(1730)}}$

${{\mathit \Sigma}{(1780)}}$ MASS   $1730\text{ to }1830\text{ }(\approx1780) $ MeV

${{\mathit \Sigma}{(1780)}}$ WIDTH   $100\text{ to }300\text{ }(\approx200) $ MeV

Decay Modes
Mode   Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/ Conf. Level P(MeV/c)   $\Gamma_{1}$ ${{\mathit N}}{{\overline{\mathit K}}}$   $(2.0\pm{1.0})\%$ 512   $\Gamma_{2}$ ${{\mathit \Lambda}}{{\mathit \pi}}$   $(70\pm{17})\%$ 529   $\Gamma_{3}$ ${{\mathit \Sigma}}{{\mathit \pi}}$   $(12\pm{6})\%$ 479
FOOTNOTES