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:
M020

${{\mathit \pi}_{{{2}}}{(2100)}}$

$I^G(J^{PC})$ = $1^-(2^{- +})$ 
Needs confirmation.
${{\mathit \pi}_{{{2}}}{(2100)}}$ MASS   $2090 \pm29$ MeV 
 
${{\mathit \pi}_{{{2}}}{(2100)}}$ WIDTH   $620 \pm50$ MeV (S = 1.2)
 
${\mathit D}{\mathrm -wave}/{\mathit S}{\mathrm -wave}$ RATIO FOR ${{\mathit \pi}_{{{2}}}{(2100)}}$ $\rightarrow$ ${{\mathit f}_{{{2}}}{(1270)}}{{\mathit \pi}}$   $0.39 \pm0.23$  
 
$\Gamma_{1}$ 3 ${{\mathit \pi}}$   seen 1023
 
$\Gamma_{2}$ ${{\mathit \rho}}{{\mathit \pi}}$   seen 896
 
$\Gamma_{3}$ ${{\mathit f}_{{{2}}}{(1270)}}{{\mathit \pi}}$   seen 647
 
$\Gamma_{4}$ (${{\mathit \pi}}{{\mathit \pi}}$ )$_{\mathit s}$ ${{\mathit \pi}}$   seen  
 
FOOTNOTES