PRD 75, 091102 (2007)

Parameter	Measurement
\({\cal{B}} ( \bar{B}^{0} \to D_s^{-} D^{+} )\)	\([7.5 \pm 0.2\mbox{ (stat)} \pm 0.8\mbox{ (syst)} \pm 0.8\mbox{ (brs)}] \times 10^{-3}\)
\({\cal{B}} ( \bar{B}^{0} \to D_s^{-} D_s^{+} )\)	\(3.6 \times 10^{-5}\)