Measurement of Branching Fractions of Color-Suppressed Decays of the B0bar Meson to D0 pi0, D0 eta, and D0 omega

Details Measurement of Branching Fractions of Color-Suppressed Decays of the B0bar Meson to D0 pi0, D0 eta, and D0 omega Measurement of Branching Fractions of Color-Suppressed Decays of the B0bar Meson to D0 pi0, D0 eta, and D0 omega

2002-07-29

arxiv.org/abs/hep-ex/0207092v1

Physics

High Energy Physics

High Energy Physics - Experiment

15 pages, 6 figures, 2tables, contributed to ICHEP2002

Scientific paper

We report preliminary results of an experimental investigation of the color-suppressed decays bar{B^0} --> D^0 pi^0, D^0 eta, and D^0 omega. We measure the branching fractions B (bar{B^0} --> D^0 pi^0) = (2.89 +/- 0.29 (stat.) +/- 0.38 (syst.)) times 10^{-4}, B (\bar{B^0} \to D^0 \eta) = (2.41 \pm 0.39 (stat.) +/- 0.32 (syst.)) times 10^{-4}, and B (bar{B^0} --> D^0 omega) = (2.48 +/- 0.40 (stat.) +/- 0.32 (syst.)) times 10^{-4}. The results are based on (48.8 +/- 0.5) times 10^6 B B-bar pairs collected with the BaBar detector. The branching fractions of these color-suppressed decays are significantly larger than theoretical expectations based upon factorization.

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