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:
M013

${{\mathit f}_{{{2}}}^{\,'}{(1525)}}$

$I^G(J^{PC})$ = $0^+(2^{+ +})$ 
${{\mathit f}_{{{2}}}^{\,'}{(1525)}}$ MASS   $1517.3 \pm2.4$ MeV (S = 2.8)
 
PRODUCED BY PION BEAM
PRODUCED BY ${{\mathit K}^{\pm}}$ BEAM   $1518.0 \pm2.7$ MeV (S = 2.9)
 
PRODUCED IN ${{\mathit e}^{+}}{{\mathit e}^{-}}$ ANNIHILATION AND PARTICLE DECAYS   $1514 \pm4$ MeV (S = 3.6)
 
PRODUCED IN ${{\overline{\mathit p}}}{{\mathit p}}$ ANNIHILATION   $1512 \pm4$ MeV 
 
CENTRAL PRODUCTION   $1515 \pm15$ MeV 
 
PRODUCED IN ${{\mathit e}}{{\mathit p}}$ COLLISIONS   $1512 \pm3.2$ MeV 
 
${{\mathit f}_{{{2}}}^{\,'}{(1525)}}$ WIDTH   $72 {}^{+7}_{-6}$ MeV 
 
PRODUCED BY PION BEAM
PRODUCED BY ${{\mathit K}^{\pm}}$ BEAM   $82 \pm6$ MeV 
 
PRODUCED IN ${{\mathit e}^{+}}{{\mathit e}^{-}}$ ANNIHILATION AND PARTICLE DECAYS   $86 \pm4$ MeV (S = 2.4)
 
PRODUCED IN ${{\overline{\mathit p}}}{{\mathit p}}$ ANNIHILATION   $77 \pm5$ MeV 
 
CENTRAL PRODUCTION   $70 \pm25$ MeV 
 
PRODUCED IN ${{\mathit e}}{{\mathit p}}$ COLLISIONS   $83 \pm10$ MeV 
 
$\Gamma_{1}$ ${{\mathit K}}{{\overline{\mathit K}}}$   $(88.8\pm{2.2})\%$ 576
 
$\Gamma_{2}$ ${{\mathit \eta}}{{\mathit \eta}}$   $(10.3\pm{2.2})\%$ 525
 
$\Gamma_{3}$ ${{\mathit \pi}}{{\mathit \pi}}$   $(8.2\pm{1.5})\times 10^{-3}$ 747
 
$\Gamma_{4}$ ${{\mathit K}}{{\overline{\mathit K}}^{*}{(892)}}$ + c.c.   299
 
$\Gamma_{5}$ ${{\mathit \pi}}{{\mathit K}}{{\overline{\mathit K}}}$   509
 
$\Gamma_{6}$ ${{\mathit \pi}}{{\mathit \pi}}{{\mathit \eta}}$   628
 
$\Gamma_{7}$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit \pi}^{-}}$   693
 
$\Gamma_{8}$ ${{\mathit \gamma}}{{\mathit \gamma}}$   $(1.12\pm{0.15})\times 10^{-6}$ 759
 
FOOTNOTES
Constrained Fit information