Study of the Decays B0 --> D(*)+D(*)-

Abstract

The decays B0 --> D*+D*-, B0 --> D*+D- and B0 --> D+D- are studied in 9.7 million Y(4S) --> BBbar decays accumulated with the CLEO detector. We determine Br(B0 --> D*+D*-) = (9.9+4.2-3.3+-1.2)e-4 and limit Br(B0 --> D*+D-) < 6.3e-4 and Br(B0 --> D+D-) < 9.4e-4 at 90% confidence level (CL). We also perform the first angular analysis of the B0 --> D*+D*- decay and determine that the CP-even fraction of the final state is greater than 0.11 at 90% CL. Future measurements of the time dependence of these decays may be useful for the investigation of CP violation in neutral B meson decays.

21 pages, 5 figures, submitted to Phys. Rev. D

References in corpus (5)

• Observation of Direct CP Violation in K_{S,L} to ππDecays
• A new measurement of direct CP violation in two pion decays of the neutral kaon
• A Measurement of $\sin 2\beta$ from $B\to J/\psi K_S^0$ with the CDF detector
• CP Violation in B_d \to D^+D^-, D^{*+}D^-, D^+D^{*-} and D^{*+}D^{*-} Decays
• CP Asymmetries in B_d \to D^{*+}D^{*-} and B_s \to D^{*+}_s D^{*-}_s Decays: P-wave Dilution, Penguin and Rescattering Effects

Cited by in corpus (5)

• Measurement of Branching Fractions and CP-Violating Charge Asymmetries for B Meson Decays to D(*)D(*), and Implications for the CKM Angle gamma
• Observing Direct CP Violation in Untagged B-Meson Decays
• Observation of the decay B^0->D+D*-
• Measurement of the Branching Fraction and CP Content for the Decay B0 --> D*+ D*-
• First observation of CP violation and improved measurement of the branching fraction and polarization of B0 -> D*+ D*- decays