Fig. 10
From: Branching fractions of \(B^-\rightarrow D^-X_{0,1}(2900)\) and their implications
The topological and hadronic triangle diagrams of \(B^-\rightarrow \overline{D}^0X_i^-\), \(\overline{B}^0\rightarrow \overline{D}^0X_i^0\) and \(\overline{B}^0\rightarrow D^-X_i^+\), respectively