Measurement of the Branching Fraction and Polarization for the Decay B- to D*0 K*-

Abstract

We present a study of the decay B- -> D*0 K*- based on a sample of 86 million Upsilon(4S) -> BBbar decays collected between 1999 and 2002 with the BaBar detector at the PEP-II asymmetric-energy B-Factory at SLAC. We measure the branching fraction B(B- -> D*0 K*-) = 8.3 +/- 1.1 (stat)} +/- 1.0 (syst) x 10e-4, and the fraction of longitudinal polarization in this decay to be GammaL/Gamma = 0.86 +/- 0.06 +/- (stat) +/- 0.03 (syst).

arXiv comment7 pages, 2 figures, submitted to Phys. Rev. Lett

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• Measurement of the CP-Violating Asymmetry Amplitude sin2beta
• Improved Measurement of Mixing-induced CP Violation in the Neutral B Meson System
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• Search for Exclusive Charmless Hadronic B Decays
• Determination of the angle gamma using B -> D* V modes
• Enhancement of CP Violation in B^+- to K_i^+- D^0 By Resonant Effects
• Measurements of the Branching Fractions and Helicity Amplitudes in B --> D* rho Decays
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• Final State Interaction Effects on $\gamma$ from $B\to DK$
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Cited by in corpus (9)

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• Averages of $b$-hadron, $c$-hadron, and $\tau$-lepton properties as of 2018
• Averages of $b$-hadron, $c$-hadron, and $\tau$-lepton properties as of 2021
• Polarizations in B -> VV decays
• Observation of the decay $B_s^0\to {\bar{D}}^0\varphi$
• Observation of the decay $B_s^0\to {\overline{D}}^0{K}^{+}{K}^{-}$
• Measurement of the Ratio BR(B- --> D*0 K-)/BR(B- --> D*0 pi-) and of the CP Asymmetry of B- --> D*0(CP+) K- Decays
• Branching Fraction Measurements of the Color-Suppressed Decays B0bar to D(*)0 pi0, D(*)0 eta, D(*)0 omega, and D(*)0 eta_prime and Measurement of the Polarization in the Decay B0bar to D*0 omega