LIGHT UNFLAVORED MESONS
($\mathit S$ = $\mathit C$ = $\mathit B$ = $\mathit{0}$)
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 search

${{\mathit \phi}{(1020)}}$ $I^G(J^{PC})$ = $0^-(1^{- -})$ 

${{\mathit \phi}{(1020)}}$ MASS   $1019.460 \pm0.016$ MeV 
${{\mathit \phi}{(1020)}}$ WIDTH   $4.249 \pm0.013$ MeV (S = 1.1)
${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit \pi}^{0}}$ $/$ ${{\mathit \rho}}{{\mathit \pi}}$ AMPLITUDE RATIO ${{\mathit a}_{{{1}}}}$ IN DECAY OF $~$ ${{\mathit \phi}}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit \pi}^{0}}$   $0.091 \pm0.012$  
PARAMETER $\beta $ IN ${{\mathit \phi}}$ $\rightarrow$ ${{\mathit P}}{{\mathit e}^{+}}{{\mathit e}^{-}}$ DECAYS
PARAMETER $\beta $ IN ${{\mathit \phi}}$ $\rightarrow$ ${{\mathit \pi}^{0}}{{\mathit e}^{+}}{{\mathit e}^{-}}$ DECAY   $2.02 \pm0.11$ GeV${}^{-2}$ 
PARAMETER $\beta $ IN ${{\mathit \phi}}$ $\rightarrow$ ${{\mathit \eta}}{{\mathit e}^{+}}{{\mathit e}^{-}}$ DECAY   $1.29 \pm0.13$ GeV${}^{-2}$ 
$\Gamma_{1}$ ${{\mathit K}^{+}}{{\mathit K}^{-}}$  $(50.1\pm{0.6})\%$ S=1.6 127
$\Gamma_{2}$ ${{\mathit K}_L^0}$ ${{\mathit K}_S^0}$  $(33.6\pm{0.4})\%$ S=1.3 110
$\Gamma_{3}$ ${{\mathit \rho}}{{\mathit \pi}}{+}$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit \pi}^{0}}$  $(14.7\pm{0.4})\%$ S=1.5 
$\Gamma_{4}$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit \pi}^{0}}$  462
$\Gamma_{5}$ ${{\mathit \eta}}{{\mathit \gamma}}$  $(1.306\pm{0.024})\%$ S=1.2 363
$\Gamma_{6}$ ${{\mathit \pi}^{0}}{{\mathit \gamma}}$  $(1.33\pm{0.05})\times 10^{-3}$ 501
$\Gamma_{7}$ ${{\mathit \ell}^{+}}{{\mathit \ell}^{-}}$  510
$\Gamma_{8}$ ${{\mathit e}^{+}}{{\mathit e}^{-}}$  $(2.963\pm{0.034})\times 10^{-4}$ S=1.4 510
$\Gamma_{9}$ ${{\mathit \mu}^{+}}{{\mathit \mu}^{-}}$  $(2.86\pm{0.22})\times 10^{-4}$ S=1.2 499
$\Gamma_{10}$ ${{\mathit \eta}}{{\mathit e}^{+}}{{\mathit e}^{-}}$  $(1.08\pm{0.04})\times 10^{-4}$ 363
$\Gamma_{11}$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$  $(9.5\pm{1.9})\times 10^{-5}$ S=2.0 490
$\Gamma_{12}$ ${{\mathit \omega}}{{\mathit \pi}^{0}}$  $(4.7\pm{0.5})\times 10^{-5}$ 171
$\Gamma_{13}$ ${{\mathit \omega}}{{\mathit \gamma}}$  $<5\%$ CL=84%209
$\Gamma_{14}$ ${{\mathit \rho}}{{\mathit \gamma}}$  $<1.2\times 10^{-5}$ CL=90%215
$\Gamma_{15}$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit \gamma}}$  $(4.1\pm{1.3})\times 10^{-5}$ 490
$\Gamma_{16}$ ${{\mathit f}_{{{0}}}{(980)}}{{\mathit \gamma}}$  $(3.22\pm{0.19})\times 10^{-4}$ S=1.1 29
$\Gamma_{17}$ ${{\mathit \pi}^{0}}{{\mathit \pi}^{0}}{{\mathit \gamma}}$  $(1.13\pm{0.06})\times 10^{-4}$ 492
$\Gamma_{18}$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$  $(3.9^{+2.8}_{-2.2})\times 10^{-6}$ 410
$\Gamma_{19}$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit \pi}^{-}}{{\mathit \pi}^{0}}$  $<4.6\times 10^{-6}$ CL=90%342
$\Gamma_{20}$ ${{\mathit \pi}^{0}}{{\mathit e}^{+}}{{\mathit e}^{-}}$  $(1.33^{+0.07}_{-0.10})\times 10^{-5}$ 501
$\Gamma_{21}$ ${{\mathit \pi}^{0}}{{\mathit \eta}}{{\mathit \gamma}}$  $(7.27\pm{0.30})\times 10^{-5}$ S=1.5 346
$\Gamma_{22}$ ${{\mathit a}_{{{0}}}{(980)}}{{\mathit \gamma}}$  $(7.6\pm{0.6})\times 10^{-5}$ 39
$\Gamma_{23}$ ${{\mathit K}^{0}}{{\overline{\mathit K}}^{0}}{{\mathit \gamma}}$  $<1.9\times 10^{-8}$ CL=90%110
$\Gamma_{24}$ ${{\mathit \eta}^{\,'}{(958)}}{{\mathit \gamma}}$  $(6.23\pm{0.21})\times 10^{-5}$ 60
$\Gamma_{25}$ ${{\mathit \eta}}{{\mathit \pi}^{0}}{{\mathit \pi}^{0}}{{\mathit \gamma}}$  $<2\times 10^{-5}$ CL=90%293
$\Gamma_{26}$ ${{\mathit \mu}^{+}}{{\mathit \mu}^{-}}{{\mathit \gamma}}$  $(1.4\pm{0.5})\times 10^{-5}$ 499
$\Gamma_{27}$ ${{\mathit \rho}}{{\mathit \gamma}}{{\mathit \gamma}}$  $<1.2\times 10^{-4}$ CL=90%215
$\Gamma_{28}$ ${{\mathit \eta}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$  $<1.8\times 10^{-5}$ CL=90%288
$\Gamma_{29}$ ${{\mathit \eta}}{{\mathit \mu}^{+}}{{\mathit \mu}^{-}}$  $<9.4\times 10^{-6}$ CL=90%321
$\Gamma_{30}$ ${{\mathit \eta}}{{\mathit U}}$ $\rightarrow$ ${{\mathit \eta}}{{\mathit e}^{+}}{{\mathit e}^{-}}$  $<1\times 10^{-6}$ CL=90%
$\Gamma_{31}$ invisible  $<1.7\times 10^{-4}$ CL=90%
    fit information