Observation of Exclusive barB --> D(*) K*- Decays

Abstract

We report the first observation of the exclusive decays \bar B\to D^{(*)}K^{*-}, using 9.66 x 10^{6} B\bar{B} pairs collected at the Υ(4S) with the CLEO detector. We measure the following branching fractions: {\cal B}(B^- -> D^0 K^{*-})=(6.1 +- 1.6 +-1.7)x10^{-4}, {\cal B}(\bar{B^0} -> D^+K^{*-})=(3.7 +- 1.5 +- 1.0) x 10^{-4}, {\cal B}(\bar{B^0} -> D^{*+}K^{*-})=(3.8 +- 1.3 +- 0.8) x 10^{-4} and {\cal B}(B^- --> D^{*0} K^{*-})=(7.7 +- 2.2 +- 2.6) x 10^{-4}. The \bar B ->D^*K^{*-} branching ratios are the averages of those corresponding to the 00 and 11 helicity states. The errors shown are statistical and systematic, respectively.

9 pages postscript, also available through http://w4.lns.cornell.edu/public/CLNS, Published in Phys.Rev.Lett.88:101803,2002

References in corpus (1)

• Observation of Cabibbo suppressed $B\to D^{(\ast )}{K}^{-}$ decays at Belle

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• Measuring the Weak Phase gamma in Color Allowed B->DKpi Decays
• Measurement of the Branching Fraction and Polarization for the Decay B- to D*0 K*-
• Measurement of the B- -> D0 K*- branching fraction
• Measurement of Branching Fraction and Dalitz Distribution for B0->D(*)+/- K0 pi-/+ Decays
• Measurement of the Branching Fraction for B- --> D0 K*-
• Open charm B decays