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:
M012

${{\mathit a}_{{{2}}}{(1320)}}$

$I^G(J^{PC})$ = $1^-(2^{+ +})$ 
${{\mathit a}_{{{2}}}{(1320)}}$ T-MATRIX POLE $\sqrt {\mathit s }$ $(1305 - 1321)-i(52 - 58)$ MeV 
 
${{\mathit a}_{{{2}}}{(1320)}}$ MASS $1318.2$ $\pm0.6$ MeV (S = 1.2)
 
3 ${{\mathit \pi}}$ MODE $1318.6$ $\pm1.3$ MeV (S = 1.4)
 
${{\mathit K}}{{\overline{\mathit K}}}$ MODE $1318.1$ $\pm0.7$ MeV 
 
${{\mathit \eta}}{{\mathit \pi}}$ MODE $1317.7$ $\pm1.4$ MeV 
 
${{\mathit \eta}^{\,'}}{{\mathit \pi}}$ MODE $1322$ $\pm7$ MeV 
 
${{\mathit a}_{{{2}}}{(1320)}}$ WIDTH $107$ $\pm5$ MeV 
 
3 ${{\mathit \pi}}$ MODE $105.0^{+1.7}_{-1.9}$ MeV 
 
${{\mathit K}}{{\overline{\mathit K}}}$ MODE $109.8$ $\pm2.4$ MeV 
 
${{\mathit \eta}}{{\mathit \pi}}$ MODE $111.1$ $\pm2.4$ MeV 
 
${{\mathit \eta}^{\,'}}{{\mathit \pi}}$ MODE $119$ $\pm25$ MeV 
 
Mode  
Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/
Conf. Level		 P(MeV/c)  
$\Gamma_{1}$ 3 ${{\mathit \pi}}$ ($70.1$ $\pm2.7$ ) $\%$ S=1.2  624
 
$\Gamma_{2}$ ${{\mathit \rho}{(770)}}{{\mathit \pi}}$ 417
 
$\Gamma_{3}$ ${{\mathit f}_{{{2}}}{(1270)}}{{\mathit \pi}}$ -1
 
$\Gamma_{4}$ ${{\mathit \rho}{(1450)}}{{\mathit \pi}}$ -1
 
$\Gamma_{5}$ ${{\mathit \eta}}{{\mathit \pi}}$ ($14.5$ $\pm1.2$ ) $\%$ 535
 
$\Gamma_{6}$ ${{\mathit \omega}}{{\mathit \pi}}{{\mathit \pi}}$ ($10.6$ $\pm3.2$ ) $\%$ S=1.3  366
 
$\Gamma_{7}$ ${{\mathit K}}{{\overline{\mathit K}}}$ ($4.9$ $\pm0.8$ ) $\%$ 437
 
$\Gamma_{8}$ ${{\mathit \eta}^{\,'}{(958)}}{{\mathit \pi}}$ ($5.5$ $\pm0.9$) $ \times 10^{-3}$ 288
 
$\Gamma_{9}$ ${{\mathit \pi}^{\pm}}{{\mathit \gamma}}$ ($2.91$ $\pm0.27$) $ \times 10^{-3}$ 652
 
$\Gamma_{10}$ ${{\mathit \gamma}}{{\mathit \gamma}}$ ($9.4$ $\pm0.7$) $ \times 10^{-6}$ 659
 
$\Gamma_{11}$ ${{\mathit e}^{+}}{{\mathit e}^{-}}$ $<5$ $\times 10^{-9}$ CL=90% 659
 
Constrained Fit information