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:
M011

${{\mathit b}_{{{1}}}{(1235)}}$

$I^G(J^{PC})$ = $1^+(1^{+ -})$ 
${{\mathit b}_{{{1}}}{(1235)}}$ MASS   $1229.5 \pm3.2$ MeV (S = 1.6)
 
${{\mathit b}_{{{1}}}{(1235)}}$ WIDTH   $142 \pm9$ MeV (S = 1.2)
 
${{\mathit b}_{{{1}}}{(1235)}}{\mathit D}{\mathrm -wave}/{\mathit S}{\mathrm -wave}$ AMPLITUDE RATIO IN DECAY OF ${{\mathit b}_{{{1}}}{(1235)}}$ $\rightarrow$ ${{\mathit \omega}}{{\mathit \pi}}$   $0.277 \pm0.027$  (S = 2.4)
 
${{\mathit b}_{{{1}}}{(1235)}}{\mathit D}{\mathrm -wave}/{\mathit S}{\mathrm -wave}$ AMPLITUDE PHASE DIFFERENCE IN DECAY OF ${{\mathit b}_{{{1}}}{(1235)}}$ $\rightarrow$ ${{\mathit \omega}}{{\mathit \pi}}$   $10 \pm5$ $^\circ{}$ 
 
$\Gamma_{1}$ ${{\mathit \omega}}{{\mathit \pi}}$   seen 348
 
$\Gamma_{2}$ ${{\mathit \pi}^{\pm}}{{\mathit \gamma}}$   $(1.6\pm{0.4})\times 10^{-3}$ 607
 
$\Gamma_{3}$ ${{\mathit \eta}}{{\mathit \rho}}$   seen -1
 
$\Gamma_{4}$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit \pi}^{0}}$   $<50\%$ CL=84% 535
 
$\Gamma_{5}$ ${{\mathit K}^{*}{(892)}^{\pm}}{{\mathit K}^{\mp}}$   seen -1
 
$\Gamma_{6}$ ${{\mathit K}{\overline{\mathit K}}}$ ${{\mathit \pi}^{0}}$   $<8\%$ CL=90% 248
 
$\Gamma_{7}$ ${{\mathit K}_S^0}$ ${{\mathit K}_L^0}$ ${{\mathit \pi}^{\pm}}$   $<6\%$ CL=90% 235
 
$\Gamma_{8}$ ${{\mathit K}_S^0}$ ${{\mathit K}_S^0}$ ${{\mathit \pi}^{\pm}}$   $<2\%$ CL=90% 235
 
$\Gamma_{9}$ ${{\mathit \phi}}{{\mathit \pi}}$   $<1.5\%$ CL=84% 147
 
FOOTNOTES