Flavor SU(3) analysis of charmless B meson decays to two pseudoscalar mesons

Abstract

Global fits to charmless B --> PP decays in the framework of flavor SU(3) symmetry are updated and improved without reference to the \sin2βmeasured from the charmonium decay modes. Fit results directly constrain the (\barρ,\barη) vertex of the unitarity triangle, and are used to predict the branching ratios and CP asymmetries of all decay modes, including those of the B_s system. Different schemes of SU(3) breaking in decay amplitude sizes are analyzed. The major breaking effect between strangeness-conserving and strangeness-changing decays can be accounted for by including a ratio of decay constants in tree and color-suppressed amplitudes. The possibility of having a new physics contribution to K πdecays is also examined from the data fitting point of view.

arXiv comment22 pages and 2 figures; some comments and references added; more references added, version to appear in journal

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• The Physics of the B Factories
• Weak Decays of Doubly Heavy Baryons: SU(3) Analysis
• Revisiting Charmless Hadronic B_{u,d} Decays in QCD Factorization
• Updating B --> PP, VP decays in the framework of flavor symmetry
• Analysis of Charmless Two-body B decays in Factorization Assisted Topological Amplitude Approach
• Analysis of Two-body Charmed $B$ Meson Decays in Factorization-Assisted Topological-Amplitude Approach
• First measurement of time-dependent CP violation in Bs -> K+K- decays
• Weak Decays of Triply Heavy Baryons
• Is There Still a B -> pi K Puzzle?
• Charmless $B_{(s)}\to VV$ Decays in Factorization-Assisted Topological-Amplitude Approach
• Flavor SU(3) symmetry and QCD factorization in $B\to PP$ and $PV$ decays
• Explaining B \to K pi anomaly with non-universal Z' boson
• Charmless Hadronic B-Meson Decays
• Resolving B-CP Puzzles in QCD Factorization
• Implications for CP asymmetries of improved data on $B\to K^0{\pi }^0$
• More Flavor SU(3) Tests for New Physics in CP Violating B Decays
• Flavor symmetry analysis of charmless B --> VP decays
• Power corrections in e+ e- --> pi+ pi-, K+ K- and B --> K pi, pi pi
• Observation of B->etarho+ and search for B0 Decays to eta'eta, etapi0, eta'pi0, and omegapi0
• Examination of Flavor Symmetry in $B,B_s\to K\pi$ Decays
• Diagnostic for new physics in $B\to \pi K$ decays
• CP Violation in $B_s^0\to K^{-}{\pi }^{+}$, $B^0\to K^{+}{\pi }^{-}$ Decays and Tests for SU(3) Flavor Symmetry Predictions
• Systematic Error on Weak Phase $\gamma$ from $B\to {\pi }^{+}{\pi }^{-}$ and $B\to K\pi$
• To the origin of the difference of FSI phases in $B\to \pi \pi$ and $B\to \rho \rho$ decays
• Deciphering Weak Decays of Triply Heavy Baryons by SU(3) Analysis
• Isospin of new physics in $|\Delta S|=1$ charmless B decays
• Evidence for the decay B0->eta pi^0
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• Prediction of the $CP$ asymmetry $C_{00}$ in $B^0\to D^0\overline{D^0}$ decay
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• Constraining Charming Penguins in Charmless B Decays
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• Estimating QCD-factorization amplitudes through $SU(3)$ symmetry in $B\to PP$ decays