Time-dependent Dalitz plot analysis of B0 -> D-(+) K0 Pi+(-) decays

Abstract

We present for the first time a measurement of the weak phase 2b+g obtained from a time-dependent Dalitz plot analysis of B^0 -> D-(+) K0 Pi+(-) decays. Using a sample of approximately 347*10^{6} BBbar pairs collected by the BABAR detector at the PEP-II asymmetric-energy storage rings, we obtain 2b+g = (83 +/- 53 +/- 20) degrees and (263 +/- 53 +/- 20) degrees assuming the ratio r of the b -> u and b -> c decay amplitudes to be 0.3. The magnitudes and phases for the resonances associated with the b -> c transitions are also extracted from the fit.

8 pages, 5 figures, submitted to Phys. Rev. D (Rapid Communications)

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• The Cosmological Parameters 2006
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• Measurement of time-dependent CP asymmetries in B0->D(*)+-pi-+ and B0->D+-rho-+ decays
• Measurement of B0bar -> D(*)0 K(*)0bar Branching Fractions
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• Observation of direct CP violation in the measurement of the Cabibbo-Kobayashi-Maskawa angle gamma with B+- --> D(*)K(*)+- decays
• On the Measurement of the Unitarity Triangle Angle gamma from B^0 -> DK^{*0} Decays
• CP violation in the B system
• Prospects for the Measurement of the Unitarity Triangle Angle gamma from B0 to DK+pi- Decays
• Double Dalitz Plot Analysis of the Decay B^0 -> D K+ Pi-, D -> Ks Pi+ Pi-
• Measurements of gamma/phi_3 at B factories