Penguin-mediated B_(d,s)->VV decays and the Bs - anti-Bs mixing angle

Abstract

In this letter, we propose three different strategies to extract the weak mixing angle phi_s of the Bs system using penguin-mediated decays into vectors, mainly Bs->K*K*, Bs->phi K* and Bs->phi phi. We also provide predictions for the longitudinal branching ratio and CP-asymmetries of Bs->K*K* using a method that combines QCD factorisation with flavour symmetries to relate this decay to its Bd counterpart.

16 pages, 4 figures. References added. Version published in PRD

References in corpus (28)

• The Cosmological Parameters 2006
• Big-Bang nucleosynthesis (Particle Data Group mini-review)
• Theoretical update of Bs-Bs-bar mixing
• Observation of Bs-Bsbar Oscillations
• Branching fractions, polarisation and asymmetries of B -> VV decays
• Direct Limits on the Bs Oscillation Frequency
• Measurement of the Bs-Bsbar Oscillation Frequency
• Implications of the measurement of the B^0_s-\bar B^0_s mass difference
• Observation of Time-Dependent CP Violation in B0 -> eta' K0 Decays and Improved Measurements of CP Asymmetries in B0 -> phiK0, KsKsKs and B0 -> J/psi K0 Decays
• $B_s-{\bar{B}}_s$ Mixing constraints on FCNC and a non-universal $Z^{\prime }$
• Observation of CP violation in B^0 -> eta' K^0 Decays
• Observation of B+ --> K0bar K+ and B0 --> K0 K0bar
• Observation of Bs->K+K- and Measurements of Branching Fractions of Charmless Two-body Decays of B0 and Bs Mesons in p-pbar Collisions at sqrt(s)=1.96 TeV
• Exploring B_{d,s}-> KK decays through flavour symmetries and QCD-factorisation
• Improved Measurements of the Branching Fractions for B0 --> pi+pi- and B0 --> K+pi-, and a Search fro B0 --> K+K-
• Minimal Flavour Violation Waiting for Precise Measurements of Delta M_s, S_{psi phi}, A^s_SL, |V_ub|, gamma and B^0_{s,d} -> mu+ mu-
• Combined D0 Measurements Constraining the CP-violating Phase and Width Difference in the $B_s^0$ System
• Branching fractions and direct CP asymmetries of charmless decay modes at the Tevatron
• $B_s$ Mixing and New Physics in hadronic $b\to s\bar{q}q$ transitions
• Lower Bounds on Delta M_{s,d} from Constrained Minimal Flavour Violation
• Constraint on Right-Handed Squark Mixings from B_s - B_sbar Mass Difference
• B_s - \bar{B}_s mixing in the MSSM scenario with large flavor mixing in the LL/RR sector
• Bs-->K+K- and Bs-->K0 anti-K0 Decays within Supersymmetry
• $B_{s(d)}^0-{\bar{B}}_{s(d)}^0$ mixing and new physics effects in a top quark two-Higgs doublet model
• Extracting alpha from B0(d) --> K0 anti-K0 Decays
• Measurement of the CP Asymmetry and Branching Fraction of B^0 to rho^0 K^0
• Rare Decays as a Probe for New Physics
• New constraints on R-parity violating couplings through the measurements of the $B_{s(d)}^0$-${\bar{B}}_{s(d)}^0$ and $K^0$-${\bar{K}}^0$ mixing

Cited by in corpus (18)

• Averages of $b$-hadron, $c$-hadron, and $\tau$-lepton properties as of 2021
• Implications of LHCb measurements and future prospects
• An analysis of B_{d,s} mixing angles in presence of New Physics and an update of Bs -> K0* anti-K0*
• Rare Decays and CP Violation in the $B_s$ System
• Exploring CP Violation and Penguin Effects through $B_d^0\to D^{+}{D}^{-}$ and $B_s^0\to D_s^{+}{D}_s^{-}$
• Testing Explanations of the $B\to \varphi K^{\ast }$ Polarization Puzzle
• Flavor dependence of annihilation parameters in QCD factorization
• A new $B$-flavour anomaly in $B_{d,s}\to K^{\ast 0}{\bar{K}}^{\ast 0}$: anatomy and interpretation
• First measurement of the $CP$-violating phase ${\varphi }_s^{d\overline{d}}$ in $B_s^0\to (K^{+}{\pi }^{-})(K^{-}{\pi }^{+})$ decays
• Search for $B^0\to K^{\ast 0}\overline{K}{}^{\ast 0}$, $B^0\to K^{\ast 0}{K}^{\ast 0}$ and $B^0\to K^{+}{\pi }^{-}{K}^{\mp }{\pi }^{\pm }$ Decays
• Measurement of $CP$ asymmetries and polarisation fractions in $B_s^0\to K^{\ast 0}\bar{K}{}^{\ast 0}$ decays
• Searching for New Physics by means of Relative Phases and Moduli of Decay Amplitudes
• Charmless Non-Leptonic Multi-Body B decays
• Weak phase information from the color suppressed B_d^0 -> D^{*0} K^{*0} modes
• Extracting the Bs - anti-Bs mixing angle from B--> VV decays and comments on the puzzling B--> K* l+l- decay
• Sum rules for B-->pi eta('), K eta('), eta(') eta(') decays
• Measurement of the branching fractions and longitudinal polarisations of $B_{(s)}^0\to K^{\ast 0}\overline{K}{}^{\ast 0}$ decays
• Measurements of B meson decay rates and CP violation asymmetries