${{\mathit D}^{0}}$ $\rightarrow$ ${{\mathit a}_{{{1}}}{(1640)}^{-}}{{\mathit \pi}^{+}}$ , ${{\mathit a}_{{{1}}}^{-}}$ $\rightarrow$ ${{\mathit \rho}^{0}}{{\mathit \pi}^{-}}{\mathit S}{\mathrm -wave}$  Decay Mode Summary INSPIRE   JSON PDGID:
S032.615
Mode (*) Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/
Conf. Level		 P(MeV/c)  
$\Gamma_{189}$ ${{\mathit D}^{0}}$ $\rightarrow$ ${{\mathit a}_{{{1}}}{(1640)}^{-}}{{\mathit \pi}^{+}}$ , ${{\mathit a}_{{{1}}}^{-}}$ $\rightarrow$ ${{\mathit \rho}^{0}}{{\mathit \pi}^{-}}{\mathit S}{\mathrm -wave}$ ($4$ $\pm4$) $ \times 10^{-5}$
Category: Pionic modes
The following data is related to the above decay:
$\Gamma({{\mathit D}^{0}}$ $\rightarrow$ ${{\mathit a}_{{{1}}}{(1640)}^{-}}{{\mathit \pi}^{+}}$ , ${{\mathit a}_{{{1}}}^{-}}$ $\rightarrow$ ${{\mathit \rho}^{0}}{{\mathit \pi}^{-}}{\mathit S}{\mathrm -wave})/\Gamma({{\mathit D}^{0}}$ $\rightarrow$ 2 ${{\mathit \pi}^{+}}$2 ${{\mathit \pi}^{-}})$
$\Gamma_{189}/\Gamma_{171}$