${{\mathit B}^{0}}$ $\rightarrow$ ${{\mathit a}_{{{1}}}{(1260)}^{+}}{{\mathit a}_{{{1}}}{(1260)}^{-}}$ , ${{\mathit a}_{{{1}}}^{+}}$ $\rightarrow$ 2 ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$ , ${{\mathit a}_{{{1}}}^{-}}$ $\rightarrow$ 2 ${{\mathit \pi}^{-}}{{\mathit \pi}^{+}}$  Decay Mode Summary INSPIRE   JSON  (beta) PDGID:
S042.46
Mode (*) Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/
Conf. Level		 P(MeV/c)  
$\Gamma_{473}$ ${{\mathit B}^{0}}$ $\rightarrow$ ${{\mathit a}_{{{1}}}{(1260)}^{+}}{{\mathit a}_{{{1}}}{(1260)}^{-}}$ , ${{\mathit a}_{{{1}}}^{+}}$ $\rightarrow$ 2 ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$ , ${{\mathit a}_{{{1}}}^{-}}$ $\rightarrow$ 2 ${{\mathit \pi}^{-}}{{\mathit \pi}^{+}}$ ($1.18$ $\pm0.31$) $ \times 10^{-5}$ 2336
Category: Light unflavored meson modes
The following data is related to the above value:
$\Gamma({{\mathit B}^{0}}$ $\rightarrow$ ${{\mathit a}_{{{1}}}{(1260)}^{+}}{{\mathit a}_{{{1}}}{(1260)}^{-}}$ , ${{\mathit a}_{{{1}}}^{+}}$ $\rightarrow$ 2 ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$ , ${{\mathit a}_{{{1}}}^{-}}$ $\rightarrow$ 2 ${{\mathit \pi}^{-}}{{\mathit \pi}^{+}})/\Gamma_{\text{total}}$
$\Gamma_{473}/\Gamma$