15863 articles – 31997 references  [version française]
 HAL: in2p3-00025520, version 1
 arXiv: hep-ex/0509036
 Physical Review Letters 96 (2006) 011803
 Measurement of Branching Fractions and Resonance Contributions for $B^0 \to \bar{D}^0 K^+ \pi^- and Search for B^0 \to D^0 K^+ \pi^-$ Decays
 For the BABAR collaboration(s)
 (2006)
 Using 226 million $\Upsilon(4S)\to B\bar{B}$ events collected with the BaBar detector at the PEP-II $e^+e^-$ storage ring at the Stanford Linear Accelerator Center, we measure the branching fraction for $B^0\to \bar{D}^0 K^+\pi^-$, excluding $B^0\to D^{*-} K^+$ to be ${\cal B}(B^0\to \bar{D}^0 K^+\pi^-) = (88 \pm 15 \pm 9)\times 10^{-6} .$ We observe $B^0\to \bar{D}^0 K^*(892)^0$ and $B^0\to D_2^*(2460)^- K^+$ contributions. The ratio of branching fractions ${\cal B}(B^0\to D^{*-}K^+)/{\cal B}(B^0\to D^{*-}\pi^+) = (7.76\pm 0.34 \pm 0.29)%$ is measured separately. The branching fraction for the suppressed mode $B^0\to D^0 K^+\pi^-$ is ${\cal B}(B^0\to D^0 K^+\pi^-) < 19 \times 10^{-6}$ at the 90% confidence level.
 1: Laboratoire d'Annecy le Vieux de Physique des Particules (LAPP) CNRS : UMR5814 – IN2P3 – Université de Savoie 2: Laboratoire Leprince-Ringuet (LLR) CNRS : UMR7638 – IN2P3 – Polytechnique - X 3: Laboratoire de l'Accélérateur Linéaire (LAL) CNRS : UMR8607 – IN2P3 – Université Paris XI - Paris Sud 4: Laboratoire de Physique Nucléaire et de Hautes Énergies (LPNHE) CNRS : UMR7585 – IN2P3 – Université Pierre et Marie Curie [UPMC] - Paris VI – Université Paris VII - Paris Diderot
 Subject(s) : Physics/High Energy Physics - Experiment
 Keyword(s): B mesons – meson hadronic decay