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

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

2003-08-22

arxiv.org/abs/hep-ex/0308057v1

Phys.Rev.Lett.92:141801,2004

Physics

High Energy Physics

High Energy Physics - Experiment

7 pages, 2 figures, submitted to Phys. Rev. Lett

Scientific paper

10.1103/PhysRevLett.92.141801

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).

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