LIGHT UNFLAVORED MESONS
($\boldsymbol S$ = $\boldsymbol C$ = $\boldsymbol B$ = 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 search

${{\boldsymbol \phi}{(2170)}}$ $I^G(J^{PC})$ = $0^-(1^{- -})$ 

Observed by AUBERT,BE 2006D in the initial-state radiation process ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit \phi}}{{\mathit f}_{{0}}{(980)}}{{\mathit \gamma}}$ .
${{\mathit \phi}{(2170)}}$ MASS
${{\mathit \phi}{(2170)}}$ WIDTH
$\Gamma_{1}$ ${{\mathit e}^{+}}{{\mathit e}^{-}}$ seen1094
$\Gamma_{2}$ ${{\mathit \phi}}{{\mathit \eta}}$ 746
$\Gamma_{3}$ ${{\mathit \phi}}{{\mathit \pi}}{{\mathit \pi}}$ 831
$\Gamma_{4}$ ${{\mathit \phi}}{{\mathit f}_{{0}}{(980)}}$ seen433
$\Gamma_{5}$ ${{\mathit K}^{+}}{{\mathit K}^{-}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$ 885
$\Gamma_{6}$ ${{\mathit K}^{+}}{{\mathit K}^{-}}{{\mathit f}_{{0}}{(980)}}$ $\rightarrow$ ${{\mathit K}^{+}}{{\mathit K}^{-}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$ seen
$\Gamma_{7}$ ${{\mathit K}^{+}}{{\mathit K}^{-}}{{\mathit \pi}^{0}}{{\mathit \pi}^{0}}$ 889
$\Gamma_{8}$ ${{\mathit K}^{+}}{{\mathit K}^{-}}{{\mathit f}_{{0}}{(980)}}$ $\rightarrow$ ${{\mathit K}^{+}}{{\mathit K}^{-}}{{\mathit \pi}^{0}}{{\mathit \pi}^{0}}$ seen
$\Gamma_{9}$ ${{\mathit K}^{*0}}{{\mathit K}^{\pm}}{{\mathit \pi}^{\mp}}$ not seen779
$\Gamma_{10}$ ${{\mathit K}^{*}{(892)}^{0}}{{\overline{\mathit K}}^{*}{(892)}^{0}}$ not seen634