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:
M075

${{\mathit \pi}{(1800)}}$

$I^G(J^{PC})$ = $1^-(0^{- +})$ 
See the review on "Spectroscopy of Light Meson Resonances."
${{\mathit \pi}{(1800)}}$ MASS   $1810 {}^{+9}_{-11}$ MeV (S = 2.2)
 
${{\mathit \pi}{(1800)}}$ WIDTH   $215 {}^{+7}_{-8}$ MeV 
 
$\Gamma_{1}$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit \pi}^{-}}$   seen 878
 
$\Gamma_{2}$ ${{\mathit f}_{{{0}}}{(500)}}{{\mathit \pi}^{-}}$   seen  
 
$\Gamma_{3}$ ${{\mathit f}_{{{0}}}{(980)}}{{\mathit \pi}^{-}}$   seen 624
 
$\Gamma_{4}$ ${{\mathit f}_{{{0}}}{(1370)}}{{\mathit \pi}^{-}}$   seen 366
 
$\Gamma_{5}$ ${{\mathit f}_{{{0}}}{(1500)}}{{\mathit \pi}^{-}}$   not seen 232
 
$\Gamma_{6}$ ${{\mathit \rho}}{{\mathit \pi}^{-}}$   not seen 731
 
$\Gamma_{7}$ ${{\mathit \eta}}{{\mathit \eta}}{{\mathit \pi}^{-}}$   seen 660
 
$\Gamma_{8}$ ${{\mathit a}_{{{0}}}{(980)}}{{\mathit \eta}}$   seen 471
 
$\Gamma_{9}$ ${{\mathit a}_{{{2}}}{(1320)}}{{\mathit \eta}}$   not seen -1
 
$\Gamma_{10}$ ${{\mathit f}_{{{2}}}{(1270)}}{{\mathit \pi}}$   not seen 441
 
$\Gamma_{11}$ ${{\mathit f}_{{{0}}}{(1370)}}{{\mathit \pi}^{-}}$   not seen 366
 
$\Gamma_{12}$ ${{\mathit f}_{{{0}}}{(1500)}}{{\mathit \pi}^{-}}$   seen 232
 
$\Gamma_{13}$ ${{\mathit \eta}}{{\mathit \eta}^{\,'}{(958)}}{{\mathit \pi}^{-}}$   seen 373
 
$\Gamma_{14}$ ${{\mathit K}_{{{0}}}^{*}{(1430)}}{{\mathit K}^{-}}$   seen -1
 
$\Gamma_{15}$ ${{\mathit K}^{*}{(892)}}{{\mathit K}^{-}}$   not seen 568
 
FOOTNOTES