${{\mathit D}^{0}}$ $\rightarrow$ ${{\mathit a}_{{{1}}}{(1640)}^{+}}{{\mathit \pi}^{-}}$ , ${{\mathit a}_{{{1}}}^{+}}$ $\rightarrow$ ${{\mathit \sigma}}{{\mathit \pi}^{+}}$  Decay Mode Summary INSPIRE   JSON  (beta) PDGID:
S032.451
Mode (*) Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/
Conf. Level		 P(MeV/c)  
$\Gamma_{176}$ ${{\mathit D}^{0}}$ $\rightarrow$ ${{\mathit a}_{{{1}}}{(1640)}^{+}}{{\mathit \pi}^{-}}$ , ${{\mathit a}_{{{1}}}^{+}}$ $\rightarrow$ ${{\mathit \sigma}}{{\mathit \pi}^{+}}$ ($1.8$ $\pm1.4$) $ \times 10^{-4}$
Category: Pionic modes
The following data is related to the above value:
$\Gamma({{\mathit D}^{0}}$ $\rightarrow$ ${{\mathit a}_{{{1}}}{(1640)}^{+}}{{\mathit \pi}^{-}}$ , ${{\mathit a}_{{{1}}}^{+}}$ $\rightarrow$ ${{\mathit \sigma}}{{\mathit \pi}^{+}})/\Gamma({{\mathit D}^{0}}$ $\rightarrow$ 2 ${{\mathit \pi}^{+}}$2 ${{\mathit \pi}^{-}})$
$\Gamma_{176}/\Gamma_{166}$