# Measurement of the branching fractions for $B^{0}\to D^{*-}\pi^{+}$ and $B^{0} \to D^{*-}\rho^{+}$

Abstract : Using 5.2 fb-1 of e^+e^- annihilation data recorded with the BABAR detector at the PEP-II storage ring while operating on the Y(4S) resonance, a sample of fully reconstructed B^0 decays in the hadronic modes B^0 -> D^{*-}pi^+ and B^0 -> D^{*-}rho^+ have been reconstructed. In this paper, a study of these events is reported, including preliminary measurements of the absolute branching fractions for these modes, which are found to be B(B^0 -> D^{*-}pi^+) = (2.9+/-0.3+/-0.3) x 10^{-3} and B(B^0 -> D^{*-}rho^+) = (11.2+/-1.1+/-2.5) x 10^{-3}.
Document type :
Conference papers

http://hal.in2p3.fr/in2p3-00006101
Contributor : Claudine Bombar <>
Submitted on : Tuesday, September 19, 2000 - 5:00:35 PM
Last modification on : Saturday, December 19, 2020 - 11:32:02 AM

### Citation

B. Aubert, A. Boucham, D. Boutigny, I. de Bonis, J. Favier, et al.. Measurement of the branching fractions for $B^{0}\to D^{*-}\pi^{+}$ and $B^{0} \to D^{*-}\rho^{+}$. International Conference on High-Energy Physics 30 ICHEP 2000, Jul 2000, Osaka, Japan. pp.1-21. ⟨in2p3-00006101⟩

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