Belle: INSPIRE
| Parameter | Measurement |
|---|---|
| \({\cal{B}} ( \bar{B}^0 \to D^+ D^- )\) | \([2.12 \pm 0.16\mbox{ (stat)} \pm 0.18\mbox{ (syst)}] \times 10^{-4}\) |
| \({\cal{B}} ( \bar{B}^0 \to D_s^- D^+ )\) | \([6.14 \pm 0.29\mbox{ (stat)} \pm 0.50\mbox{ (syst)}] \times 10^{-4}\) |