A new method to measure the CP violating angle gamma using B^\pm -> pi^\pm pi^+ pi^- and B^\pm -> K^\pm pi^+ pi^- decays

Abstract

A new and simple procedure to measure the angle $\gamma$ from $B^{\pm }\to {\pi }^{\pm }{\pi }^{+}{\pi }^{-}$ and $B^{\pm }\to K^{\pm }{\pi }^{+}{\pi }^{-}$ decays using SU(3) symmetry is presented. It is based on a full Dalitz plot analysis of these decays. All diagrams, including strong and electroweak penguins, are considered in the procedure. The method is also free from final state interaction problems. The theoretical error in the extraction of $\gamma$ within the method should be of the order of $10^{\mathrm{o}}$ or even less. Taking into account the B-meson production in the first generation of B factories and recent measurements from CLEO, this method could bring the best measurement of $\gamma$ in the next years.

9 pages, 1 eps figure included. Version to appear in Physical Review Letters

References in corpus (5)

• Profiles of the Unitarity Triangle and CP-Violating Phases in the Standard Model and Supersymmetric Theories
• Study of Charmless Hadronic B Meson Decays to Pseudoscalar-Vector Final States
• First Observation of the Cabibbo Suppressed Decay $B^{+}\to {\bar{D}}^0{K}^{+}$
• Procedure for direct measurement of the Cabibbo-Kobayashi-Maskawa angle $\gamma$
• Extrapolating SU(3) breaking effects from D to B decays

Cited by in corpus (9)

• Meson-meson scattering within one loop Chiral Perturbation Theory and its unitarization
• Dalitz Plot Analysis of B+- --> pi+-pi+-pi-+ Decays
• Amplitude Analysis of the Decay B+- -> pi+- pi+- pi-+
• Direct CP violation in beauty and charm hadron decays
• CP violation in the partial width asymmetries for B^- -> pi^+ pi^- K^- and B^- -> K^+ K^- K^- decays
• CP violating phase $\gamma$ and the partial widths asymmetry in $B^{-}\to {\pi }^{+}{\pi }^{-}{K}^{-}$ and $B^{-}\to K^{+}{K}^{-}{K}^{-}$ decays
• Large Direct CP Violation in B -> phi phi Xs Decays
• B Decays at BABAR
• Looking for nonstandard CP violation in B^\pm -> D_s^\pm D^0 pi^0 decays