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 $\mathit I = 0$ (${{\mathit \eta}}$, ${{\mathit \eta}^{\,'}}$, ${{\mathit h}}$, ${{\mathit h}^{\,'}}$, ${{\mathit \omega}}$, ${{\mathit \phi}}$, ${{\mathit f}}$, ${{\mathit f}^{\,'}}$): ${\mathit {\mathit c}}_{{\mathrm {1}}}({{\mathit u}}{{\overline{\mathit u}}}$ $+$ ${{\mathit d}}{{\overline{\mathit d}}}$) $+$ ${\mathit {\mathit c}}_{{\mathrm {2}}}({{\mathit s}}{{\overline{\mathit s}}}$)
INSPIRE   JSON PDGID:
M067

${{\mathit \phi}{(1680)}}$

$I^G(J^{PC})$ = $0^-(1^{- -})$ 
${{\mathit \phi}{(1680)}}$ MASS
${{\mathit e}^{+}}{{\mathit e}^{-}}$ PRODUCTION   $1680 \pm20$ MeV 
 
${{\mathit p}}{{\overline{\mathit p}}}$ ANNIHILATION
${{\mathit \phi}{(1680)}}$ WIDTH
${{\mathit e}^{+}}{{\mathit e}^{-}}$ PRODUCTION   $150 \pm50$ MeV 
 
${{\mathit p}}{{\overline{\mathit p}}}$ ANNIHILATION
$\Gamma_{1}$ ${{\mathit K}}{{\overline{\mathit K}}^{*}{(892)}}$ + c.c.   seen 462
 
$\Gamma_{2}$ ${{\mathit K}_S^0}$ ${{\mathit K}}{{\mathit \pi}}$   seen 621
 
$\Gamma_{3}$ ${{\mathit K}}{{\overline{\mathit K}}}$   seen 680
 
$\Gamma_{4}$ ${{\mathit K}_L^0}$ ${{\mathit K}_S^0}$   677
 
$\Gamma_{5}$ ${{\mathit e}^{+}}{{\mathit e}^{-}}$   seen 840
 
$\Gamma_{6}$ ${{\mathit \omega}}{{\mathit \pi}}{{\mathit \pi}}$   not seen 623
 
$\Gamma_{7}$ ${{\mathit \phi}}{{\mathit \pi}}{{\mathit \pi}}$   482
 
$\Gamma_{8}$ ${{\mathit K}^{+}}{{\mathit K}^{-}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$   seen 544
 
$\Gamma_{9}$ ${{\mathit \eta}}{{\mathit \phi}}$   seen 290
 
$\Gamma_{10}$ ${{\mathit \eta}}{{\mathit \gamma}}$   seen 751
 
$\Gamma_{11}$ ${{\mathit K}^{+}}{{\mathit K}^{-}}{{\mathit \pi}^{0}}$   623
 
$\Gamma_{12}$ ${{\mathit f}_{{{2}}}^{\,'}{(1525)}}{{\mathit \gamma}}$   not seen 155
 
FOOTNOTES