PRL 92, 202002 (2004)

BaBar: INSPIRE

ParameterMeasurement
\(\frac{{\cal{B}} ( B^{-} \to D^{0} K^{-} )}{{\cal{B}} ( B^{-} \to D^{0} \pi^{-} )}\)\([8.31 \pm 0.35\mbox{ (stat)} \pm 0.20\mbox{ (syst)}] \times 10^{-2}\)