Prospects for Direct CP Violaton in Exclusive and Inclusive Charmless B decays

Abstract

Within the Standard Model, CP rate asymmetries for $B\to K^{-}{\pi }^{+,0}$ could reach 10%. With strong final state phases, they could go up to 20--30%, even for ${\bar{K}}^0{\pi }^{-}$ mode which would have opposite sign. We can account for $K^{-}{\pi }^{+}$, ${\bar{K}}^0{\pi }^{-}$ and $\varphi K$ rate data with new physics enhanced color dipole coupling and destructive interference. Asymmetries could reach 40--60% for $K\pi$ and $\varphi K$ modes and are all of the same sign. We are unable to account for $K^{-}{\pi }^0$ rate. Our inclusive study supports our exclusive results.

Minor changes, correct a small bug in Fig. 1(b). Version to appear in Phys. Rev. Lett

References in corpus (3)

• Updated Estimate of Running Quark Masses
• Flavor-Specific Inclusive B Decays to Charm
• Observation of High Momentum ${\eta }^{\prime }$ Production in B Decay

Cited by in corpus (13)

• Measurement of Charge Asymmetries in Charmless Hadronic in B Meson Decays
• Combining CP Asymmetries in $B\to K\pi$ Decays
• Final State Rescattering and Color-suppressed \bar B^0-> D^{(*)0} h^0 Decays
• $B\to \varphi K$ and $B\to \varphi X_s$ in the Heavy Quark Limit
• SU(3) Flavor Symmetry and CP Violating Rate Differences for Charmless $B\to PV$ Decays
• Effects of R-parity violation on direct CP violation in B decays and extraction of $\gamma$
• Tree-Penguin Interference and Tests for $\cos \gamma <0$ in Rare $B\to PP$, $PV$ and $VV$ Decays
• Direct CP Violation Searches in Charmless Hadronic B Meson Decays
• Hadronic B decays: Supersymmetric enhancement and a simple spectator model
• Measurements of Branching Fractions and CP-Violating Asymmetries in B Meson Decays to Charmless Two-Body States Containing a K0
• Constraints on SUSY Gluonic Dipole Interaction from B\to KπDecays
• Improved Measurement of the Partial-Rate CP Asymmetry in B+ -> K0pi+ and B- -> K0bar pi- Decays
• Non-Spectator Contributions to Inclusive Charmless $B$ Decays