LIGHT UNFLAVORED MESONS($\mathit S$ = $\mathit C$ = $\mathit B$ = 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 $\mathit I = 0$ (${{\mathit \eta}}$ , ${{\mathit \eta}^{\,'}}$ , ${{\mathit h}}$ , ${{\mathit h}^{\,'}}$ , ${{\mathit \omega}}$ , ${{\mathit \phi}}$ , ${{\mathit f}}$ , ${{\mathit f}^{\,'}}$ ): ${\mathit {\mathit c}}_{{\mathrm {1}}}$( ${{\mathit u}}{{\overline{\mathit u}}}$ $+$ ${{\mathit d}}{{\overline{\mathit d}}}$ ) $+$ ${\mathit {\mathit c}}_{{\mathrm {2}}}$( ${{\mathit s}}{{\overline{\mathit s}}}$ )

#### ${{\mathit a}_{{0}}{(1450)}}$

$I^G(J^{PC})$ = $1^-(0^{+ +})$
See the review on "Spectroscopy of Light Meson Resonances."
 ${{\mathit a}_{{0}}{(1450)}}$ MASS $1474 \pm19$ MeV
 ${{\mathit a}_{{0}}{(1450)}}$ WIDTH $265 \pm13$ MeV
Branching fractions are given relative to the one $\mathbf {DEFINED~AS~1}$.
 $\Gamma_{1}$ ${{\mathit \pi}}{{\mathit \eta}}$ $0.093\pm{0.020}$ 627
 $\Gamma_{2}$ ${{\mathit \pi}}{{\mathit \eta}^{\,'}{(958)}}$ $0.033\pm{0.017}$ 410
 $\Gamma_{3}$ ${{\mathit K}}{{\overline{\mathit K}}}$ $0.082\pm{0.028}$ 547
 $\Gamma_{4}$ ${{\mathit \omega}}{{\mathit \pi}}{{\mathit \pi}}$ DEFINED AS 1 484
 $\Gamma_{5}$ ${{\mathit a}_{{0}}{(980)}}{{\mathit \pi}}{{\mathit \pi}}$ seen 342
 $\Gamma_{6}$ ${{\mathit \gamma}}{{\mathit \gamma}}$ seen 737
 FOOTNOTES