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:
M012

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

$I^G(J^{PC})$ = $1^-(2^{+ +})$ 
${{\mathit a}_{{2}}{(1320)}}$ T-MATRIX POLE $\sqrt {\mathit s }$   $(1305 - 1321)−{\mit i}(52 - 58)$ 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
3 ${{\mathit \pi}}$ MODE   $105.0 {}^{+1.7}_{-1.9}$ MeV 
 
${{\mathit K}}{{\overline{\mathit K}}}$ AND ${{\mathit \eta}}{{\mathit \pi}}$ MODES   $107 \pm5$ 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 
 
$\Gamma_{1}$ 3 ${{\mathit \pi}}$   $(70.1\pm{2.7})\%$ 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
 
$\Gamma_{5}$ ${{\mathit \eta}}{{\mathit \pi}}$   $(14.5\pm{1.2})\%$ 535
 
$\Gamma_{6}$ ${{\mathit \omega}}{{\mathit \pi}}{{\mathit \pi}}$   $(10.6\pm{3.2})\%$ S=1.3  366
 
$\Gamma_{7}$ ${{\mathit K}}{{\overline{\mathit K}}}$   $(4.9\pm{0.8})\%$ 437
 
$\Gamma_{8}$ ${{\mathit \eta}^{\,'}{(958)}}{{\mathit \pi}}$   $(5.5\pm{0.9})\times 10^{-3}$ 288
 
$\Gamma_{9}$ ${{\mathit \pi}^{\pm}}{{\mathit \gamma}}$   $(2.91\pm{0.27})\times 10^{-3}$ 652
 
$\Gamma_{10}$ ${{\mathit \gamma}}{{\mathit \gamma}}$   $(9.4\pm{0.7})\times 10^{-6}$ 659
 
$\Gamma_{11}$ ${{\mathit e}^{+}}{{\mathit e}^{-}}$   $<5\times 10^{-9}$ CL=90% 659
 
FOOTNOTES
Constrained Fit information