Measurement of the Branching Fractions for the Decays B0->D^{*-} ppbar pi^+, B0->D^-ppbar pi^+, B0->D^{*0} ppbar and B0->D^0 ppbar

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dc.creatorThe BABAR Collaboration
dc.creatorAubert, B.
dc.date2004-08-11
dc.date.accessioned2026-07-07T03:36:27Z
dc.date.available2026-07-07T03:36:27Z
dc.descriptionThe $B^0$ meson decay modes $B^0 \to D^{*-} p {\bar p} π^+$, $D^{-} p {\bar p} π^+$, ${\bar D}^{*0} p {\bar p}$, and ${\bar D}^{0} p {\bar p}$ are studied in a sample of $124\times 10^{6}$ $B{\bar B}$ pairs collected with the $BaBar$ detector at the PEP-II collider. The decay of $B^0 \to D^{-} p {\bar p} π^+$ is observed for the first time, with a measured branching fraction ${\cal B}(B^0 \to D^{-} p {\bar p} π^+)=(3.80\pm 0.35\pm 0.46)\times 10^{-4}$. The following branching fractions are also determined: ${\cal B}(B^0 \to D^{*-} p {\bar p} π^+)= (5.61\pm 0.59\pm 0.73)\times 10^{-4}$, ${\cal B}(B^0 \to {\bar D}^{*0} p {\bar p})= (0.67\pm 0.21\pm 0.09)\times 10^{-4}$, and ${\cal B}(B^0 \to {\bar D}^{0} p {\bar p})= (1.24\pm 0.14\pm 0.12)\times 10^{-4}$. In each decay mode the invariant mass spectra of the charmed mesons and the baryons are compared with a pure phase-space hypothesis in order to gain insight into the $B$ meson decay dynamics. In particular, the Dalitz plots of ${\bar D}^{*0} p$ versus ${\bar D}^{*0} {\bar p}$ for $B^0 \to {\bar D}^{*0} p {\bar p}$ and of ${\bar D}^{0} p$ versus ${\bar D}^{0} {\bar p}$ for $B^0 \to {\bar D}^{0} p {\bar p}$ are presented. All results are preliminary.
dc.description21 pages, 30 postscript figues, submitted to ICHEP2004, Beijing China
dc.identifierhttps://arxiv.org/abs/hep-ex/0408035
dc.identifierhttp://arxiv.org/abs/hep-ex/0408035
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/37760
dc.subjectHigh Energy Physics - Experiment
dc.titleMeasurement of the Branching Fractions for the Decays B0->D^{*-} ppbar pi^+, B0->D^-ppbar pi^+, B0->D^{*0} ppbar and B0->D^0 ppbar
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