LIGHT UNFLAVORED MESONS
($\boldsymbol S$ = $\boldsymbol C$ = $\boldsymbol B$ = 0)
For $\mathit I = 1$ (${{\mathit \pi}}$, ${{\mathit b}}$, ${{\mathit \rho}}$, ${{\mathit a}}$): ${\mathit {\mathit u}}$ ${\mathit {\overline{\mathit d}}}$, ( ${\mathit {\mathit u}}$ ${\mathit {\overline{\mathit u}}}−$ ${\mathit {\mathit d}}$ ${\mathit {\overline{\mathit d}}})/\sqrt {2 }$, ${\mathit {\mathit d}}$ ${\mathit {\overline{\mathit u}}}$;
for $\mathit I = 0$ (${{\mathit \eta}}$, ${{\mathit \eta}^{\,'}}$, ${{\mathit h}}$, ${{\mathit h}^{\,'}}$, ${{\mathit \omega}}$, ${{\mathit \phi}}$, ${{\mathit f}}$, ${{\mathit f}^{\,'}}$): ${\mathit {\mathit c}}_{{\mathrm {1}}}$( ${{\mathit u}}{{\overline{\mathit u}}}$ $+$ ${{\mathit d}}{{\overline{\mathit d}}}$ ) $+$ ${\mathit {\mathit c}}_{{\mathrm {2}}}$( ${{\mathit s}}{{\overline{\mathit s}}}$ )
INSPIRE search

${{\boldsymbol \pi}_{{1}}{(1600)}}$ $I^G(J^{PC})$ = $1^-(1^{- +})$ 

${{\mathit \pi}_{{1}}{(1600)}}$ MASS   $1660 {}^{+15}_{-11}$ MeV (S = 1.2)
${{\mathit \pi}_{{1}}{(1600)}}$ WIDTH   $257 \pm60$ MeV (S = 1.9)
$\Gamma_{1}$ ${{\mathit \pi}}{{\mathit \pi}}{{\mathit \pi}}$ seen802
$\Gamma_{2}$ ${{\mathit \rho}^{0}}{{\mathit \pi}^{-}}$ seen640
$\Gamma_{3}$ ${{\mathit f}_{{2}}{(1270)}}{{\mathit \pi}^{-}}$ not seen316
$\Gamma_{4}$ ${{\mathit b}_{{1}}{(1235)}}{{\mathit \pi}}$ seen355
$\Gamma_{5}$ ${{\mathit \eta}^{\,'}{(958)}}{{\mathit \pi}^{-}}$ seen542
$\Gamma_{6}$ ${{\mathit f}_{{1}}{(1285)}}{{\mathit \pi}}$ seen312