${{\mathit B}^{+}}$ $\rightarrow$ ${{\mathit \psi}{(3770)}}$ ${{\mathit \psi}}$ $\rightarrow$ ${{\mathit D}^{+}}{{\mathit D}^{-}}$  Decay Mode Summary INSPIRE   JSON  (beta) PDGID:
S041.362
Mode (*) Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/
Conf. Level		 P(MeV/c)  
$\Gamma_{354}$ ${{\mathit B}^{+}}$ $\rightarrow$ ${{\mathit \psi}{(3770)}}$ ${{\mathit \psi}}$ $\rightarrow$ ${{\mathit D}^{+}}{{\mathit D}^{-}}$ ($9.4$ $\pm3.5$) $ \times 10^{-5}$ 1218
Category: Charmonium modes
The following data is related to the above value:
$\Gamma({{\mathit B}^{+}}$ $\rightarrow$ ${{\mathit \psi}{(3770)}}{{\mathit K}^{+}}$ , ${{\mathit \psi}}$ $\rightarrow$ ${{\mathit D}^{+}}{{\mathit D}^{-}})/\Gamma_{\text{total}}$
$\Gamma_{354}/\Gamma$