Systematic approach to exclusive B ->V l^+l^-, V gamma decays

Abstract

We show -- by explicit computation of first-order corrections -- that the QCD factorization approach previously applied to hadronic two-body decays and to form factor ratios also allows us to compute non-factorizable corrections to exclusive, radiative B meson decays in the heavy quark mass limit. This removes a major part of the theoretical uncertainty in the region of small invariant mass of the photon. We discuss in particular the decays B\to K^* γand B\to K^* l^+l^- and complete the calculation of corrections to the forward-backward asymmetry zero. The new correction shifts the asymmetry zero by 30%, but the result confirms our previous conclusion that the asymmetry zero provides a clean phenomenological determination of the Wilson coefficient C_9.

34 pages, LaTeX; (v2): reference added, typo in Eq. (93) corrected, Eq. (47) + conventions in Table 1 corrected

References in corpus (2)

• QCD Factorization in B -> pi K, pi pi Decays and Extraction of Wolfenstein Parameters
• Two-loop virtual corrections to B --> X_s l^+ l^- in the standard model

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• Study on pure annihilation type B to V gamma decays
• Contribution of vector resonances to the {\bar B}_d^0 -> {\bar K}^{*0} mu^+ mu^- decay
• Vertex renormalization and hard scattering symmetry breaking corrections to $B$ to axial vector meson form factors at large recoil
• Looking for forward backward asymmetries in $B\to K{\mu }^{+}{\mu }^{-}$ and $K^{+}\to {\pi }^{+}{\mu }^{+}{\mu }^{-}$
• Custodial bulk Randall-Sundrum model and B->K* l+ l'-
• Effect of both Z and Z^prime - mediated flavor-changing neutral currents on $B_s$ decays into $ta{u}^{+}ta{u}^{-}$
• Contribution of low-lying vector resonances to polarization observables in \bar B_d^0 -> \bar K*0 e+ e- decay
• The role of long distance contribution to the $B\to K^{(\ast )}{\ell }^{+}{\ell }^{-}$ in the Standard Model
• Rare B-Meson Decays at the Crossroads
• Probing new physics in class-I $B$-meson decays into heavy-light final states
• Search for new physics from $B\to \pi \varphi$
• Heavy Flavor & Dark Sector
• Renormalisation group evolution for the $\Delta S=1$ effective Hamiltonian with $N_f=2+1$
• Data-driven analyses and model-independent fits for present $b\to s\ell \ell$ results
• The Study of Rare $B_c\to D_{s,d}^{(\ast )}l\bar{l}$ Decays
• Signal of right-handed currents using $B\to K^{\ast }{\ell }^{+}{\ell }^{-}$ observables at the kinematic endpoint
• Rare Decays as a Probe for New Physics
• Searching for possible evidences of new physics in $B\to V_1{V}_2$
• Analysis of Angular Observables of ${\Lambda }_b\to \Lambda (\to p\pi ){\mu }^{+}{\mu }^{-}$ Decay in Standard and $Z^{\prime }$ Models
• Radiative $B$ to axial-vector meson decays at NLO in Soft-Collinear Effective Theory
• Investigating New Physics through the Observables of Semileptonic $B_s\to K^{\ast }(\to K\pi ){\mu }^{+}{\mu }^{-}$ Decay
• Semi-inclusive Decay $B\to \varphi X_s$: Rate and Momentum Spectrum of $\varphi$
• Hadronic B decays with QCD factorization
• Study of some B_s to f_0(980) decays in the fourth generation model
• Searching for New physics in Charm Radiative decays
• $L_{\mu }-L_{\tau }$ effects to quarks and leptons from flavor unification
• Study of ${\bar{B}}^0\to D^0{\mu }^{+}{\mu }^{-}$ Decay in Perturbative QCD Approach
• A search for rare $B\to D{\mu }^{+}{\mu }^{-}$ decays
• Understanding B -->J/Ψϕin the Standard Model
• Theory of CP Violation in the B-Meson System
• Analysis of Forward-Backward and Lepton Polarization Asymmetries in $B\to K_1{\ell }^{+}{\ell }^{-}$ Decays in the Two-Higgs-doublet Model
• Polarized ${\Lambda }_b$ baryon decay to $p\pi$ and a dilepton pair
• Angular distribution of ${\Lambda }_b^0\to p{K}^{-}{\ell }^{+}{\ell }^{-}$ decays comprising $\Lambda$ resonances with spin up to $\le 5/2$
• Theoretical Review of Rare B Decays
• Precision Tests in $b\to s{\ell }^{+}{\ell }^{-}$ ($\ell =e,\mu$) at FCC-ee
• Next-to-leading Order Calculations of the Radiative and Semileptonic Rare B Decays in the Standard Model and Comparison with Data
• Heavy-to-light decays at large recoil: Systematic treatment of short- and long-distance QCD effects
• Role of gauge invariance in B -> V gamma radiative weak decays
• ${\Lambda }_b\to \Lambda (\to p{\pi }^{-}){\ell }^{+}{\ell }^{-}$ as probe of CP-violating New Physics
• The asymmetries of the $B\to K^{\ast }{\mu }^{+}{\mu }^{-}$ decay and the search of new physics beyond the Standard Model
• Probing Lepton Flavour Universality with ${\Lambda }_b$ decays to ${\tau }^{+}{\tau }^{-}$ final states
• ${\Xi }_b\to \Xi$ form factors from lattice QCD and Standard-Model predictions for ${\Xi }_b\to \Xi {\mu }^{+}{\mu }^{-}$ and ${\Xi }_b\to \Xi \gamma$ decays
• A new Monte Carlo Generator for BSM physics in $B\to K^{\ast }{\ell }^{+}{\ell }^{-}$ decays with an application to lepton non-universality in angular distributions
• Estimating the annihilation decay B_s -> rho gamma with factorization
• Effective Valence Quark Model and a Possible Dip in $dBr(B\to K\ell \bar{\ell })/d{q}^2$
• Extracting the Bs - anti-Bs mixing angle from B--> VV decays and comments on the puzzling B--> K* l+l- decay
• Recent progress in decays of $b$ and $c$ hadrons
• Probing new physics effects in ${\Lambda }_b\to \Lambda (\to p{\pi }^{-}){\ell }^{+}{\ell }^{-}$ decay via model independent approach
• Impact of B physics on model building and vice versa: an example
• Theory of hadronic B decays
• The application of light front holographic QCD to B physics
• A Brief Account of $B\to K^{\ast }{\ell }^{+}{\ell }^{-}$ Decay in Soft-Collinear Effective Theory
• The Simplest B Decay, Precisely
• New physics search in the LHCb era
• Exclusive Radiative Decays of B Mesons
• Weak Annihilation Contribution to Angular Observables in $B_c^{+}\to D^{\ast +}{\ell }^{+}{\ell }^{-}$ Decays
• On measurement of photon polarization in radiative penguin $B$ decays to baryons
• Radiative Corrections to Radiative B Decays: Exclusive B -> V gamma at NLO
• Investigating non-local contributions in $B_s\to \varphi \bar{\ell }\ell$ including higher-twist effects
• Polarized and un-polarized ${\mathcal{R}}_{K^{\ast }}$ in and beyond the SM
• Effects from Hadronic Structure of Photon on $B\to \varphi \gamma$ and $B_s\to ({\rho }^0,\omega )\gamma$ Decays
• Recent Progress in Heavy Quark Physics