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  (beta) PDGID:
M123

${{\mathit f}_{{2}}{(1565)}}$

$I^G(J^{PC})$ = $0^+(2^{+ +})$ 
Seen mostly in antinucleon-nucleon annihilation. Needs confirmation in other channels. See the review on "Spectroscopy of Light Meson Resonances."
${{\mathit f}_{{2}}{(1565)}}$ T-MATRIX POLE $\sqrt {\mathit s }$   $(1495 - 1560) − {\mit i} (40 - 110)$ MeV 
 
${{\mathit f}_{{2}}{(1565)}}$ MASS   $1575 \pm18$ MeV 
 
${{\mathit f}_{{2}}{(1565)}}$ WIDTH   $119 \pm24$ MeV 
 
$\Gamma_{1}$ ${{\mathit \pi}}{{\mathit \pi}}$   seen 776
 
$\Gamma_{2}$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$   seen 775
 
$\Gamma_{3}$ ${{\mathit \pi}^{0}}{{\mathit \pi}^{0}}$   seen 776
 
$\Gamma_{4}$ ${{\mathit \rho}^{0}}{{\mathit \rho}^{0}}$   seen 138
 
$\Gamma_{5}$ 2 ${{\mathit \pi}^{+}}$2 ${{\mathit \pi}^{-}}$   seen 725
 
$\Gamma_{6}$ ${{\mathit \eta}}{{\mathit \eta}}$   seen 566
 
$\Gamma_{7}$ ${{\mathit \omega}}{{\mathit \omega}}$   seen 87
 
$\Gamma_{8}$ ${{\mathit K}}{{\overline{\mathit K}}}$   seen 614
 
$\Gamma_{9}$ ${{\mathit \gamma}}{{\mathit \gamma}}$   seen 788
 
FOOTNOTES