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  (beta) PDGID:
M170

${{\mathit \rho}{(1900)}}$

$I^G(J^{PC})$ = $1^+(1^{- -})$ 
See the review on "Spectroscopy of Light Meson Resonances."
${{\mathit \rho}{(1900)}}$ MASS
${{\mathit \rho}{(1900)}}$ WIDTH
$\Gamma_{1}$ 6 ${{\mathit \pi}}$   seen  
 
$\Gamma_{2}$ 3 ${{\mathit \pi}^{+}}$3 ${{\mathit \pi}^{-}}$   seen  
 
$\Gamma_{3}$ 2 ${{\mathit \pi}^{+}}$2 ${{\mathit \pi}^{-}}$2 ${{\mathit \pi}^{0}}$    
 
$\Gamma_{4}$ ${{\mathit \phi}}{{\mathit \pi}}$   seen  
 
$\Gamma_{5}$ hadrons   seen  
 
$\Gamma_{6}$ ${{\mathit e}^{+}}{{\mathit e}^{-}}$   seen  
 
$\Gamma_{7}$ ${{\overline{\mathit N}}}{{\mathit N}}$   not seen  
 
FOOTNOTES