Known decays of D*(2640)-

(Only the first generation of decays, no cascades)

Final state Branching
$D'^{-}_{}(2640)$ $\to$ $D'^{-}_{}(2010)$ $\pi^{0}_{}$ 1.6e-1
$D'^{-}_{}(2640)$ $\to$ $\bar{D}'^{0}_{}(2007)$ $\pi^{-}_{}$ 3.3e-1
$D'^{-}_{}(2640)$ $\to$ $D^{-}_{}$ $\pi^{0}_{}$ 1.6e-1
$D'^{-}_{}(2640)$ $\to$ $\bar{D}^{0}_{}$ $\pi^{-}_{}$ 3.3e-1