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:
M008

${{\mathit f}_{{{1}}}{(1285)}}$

$I^G(J^{PC})$ = $0^+(1^{+ +})$ 
${{\mathit f}_{{{1}}}{(1285)}}$ MASS   $1281.8 \pm0.5$ MeV (S = 1.7)
 
${{\mathit f}_{{{1}}}{(1285)}}$ WIDTH   $23.0 \pm1.1$ MeV (S = 1.6)
 
$\Gamma_{1}$ 4 ${{\mathit \pi}}$   $(32.7\pm{1.8})\%$ S=1.2  568
 
$\Gamma_{2}$ ${{\mathit \pi}^{0}}{{\mathit \pi}^{0}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$   $(21.8\pm{1.2})\%$ S=1.2  566
 
$\Gamma_{3}$ 2 ${{\mathit \pi}^{+}}$2 ${{\mathit \pi}^{-}}$   $(10.9\pm{0.6})\%$ S=1.2  563
 
$\Gamma_{4}$ ${{\mathit \rho}^{0}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$   $(10.9\pm{0.6})\%$ S=1.2  336
 
$\Gamma_{5}$ ${{\mathit \rho}^{0}}{{\mathit \rho}^{0}}$   seen -1
 
$\Gamma_{6}$ 4 ${{\mathit \pi}^{0}}$   $<7\times 10^{-4}$ CL=90% 568
 
$\Gamma_{7}$ ${{\mathit \eta}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$   $(35\pm{15})\%$ 479
 
$\Gamma_{8}$ ${{\mathit \eta}}{{\mathit \pi}}{{\mathit \pi}}$   $(52.2\pm{1.9})\%$ S=1.2  482
 
$\Gamma_{9}$ ${{\mathit a}_{{{0}}}{(980)}}{{\mathit \pi}}$ [ignoring ${{\mathit a}_{{{0}}}{(980)}}$ $\rightarrow$ ${{\mathit K}}{{\overline{\mathit K}}}$ ]   $(38\pm{4})\%$ 238
 
$\Gamma_{10}$ ${{\mathit \eta}}{{\mathit \pi}}{{\mathit \pi}}$ [excluding ${{\mathit a}_{{{0}}}{(980)}}{{\mathit \pi}}$ ]   $(14\pm{4})\%$ 482
 
$\Gamma_{11}$ ${{\mathit K}}{{\overline{\mathit K}}}{{\mathit \pi}}$   $(9.0\pm{0.4})\%$ S=1.1  308
 
$\Gamma_{12}$ ${{\mathit K}}{{\overline{\mathit K}}^{*}{(892)}}$   not seen -1
 
$\Gamma_{13}$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit \pi}^{0}}$   $(3.0\pm{0.9})\times 10^{-3}$ 603
 
$\Gamma_{14}$ ${{\mathit \rho}^{\pm}}{{\mathit \pi}^{\mp}}$   $<3.1\times 10^{-3}$ CL=95% 390
 
$\Gamma_{15}$ ${{\mathit \gamma}}{{\mathit \rho}^{0}}$   $(6.1\pm{1.0})\%$ S=1.7  406
 
$\Gamma_{16}$ ${{\mathit \phi}}{{\mathit \gamma}}$   $(7.4\pm{2.6})\times 10^{-4}$ 235
 
$\Gamma_{17}$ ${{\mathit e}^{+}}{{\mathit e}^{-}}$   $<9.4\times 10^{-9}$ CL=90% 641
 
$\Gamma_{18}$ ${{\mathit \gamma}}{{\mathit \gamma}^{*}}$   641
 
$\Gamma_{19}$ ${{\mathit \gamma}}{{\mathit \gamma}}$   641
 
FOOTNOTES
Constrained Fit information