Lattice-Constrained Parametrizations of Form Factors for Semileptonic and Rare Radiative B Decays

Abstract

We describe the form factors for B to rho lepton neutrino and B to K* gamma decays with just two parameters and the two form factors for B to pi lepton neutrino with a further two or three parameters. The parametrizations are consistent with heavy quark symmetry, kinematic constraints and lattice results, which we use to determine the parameters. In addition, we test versions of the parametrizations consistent (or not) with light-cone sum rule scaling relations at q^2=0.

arXiv comment14 pages, LaTeX, 5 eps figures, uses epsf and array packages. Version accepted for publication in Physics Letters B

References in corpus (16)

• Heavy Quark Symmetry
• $D^{\ast }D\pi$ and $B^{\ast }B\pi$ couplings in QCD
• Exclusive Radiative B-Decays in the Light-Cone QCD Sum Rule Approach
• QCD Calculation of the $B\to \pi ,K$ Form Factors
• Properties of Orbitally Excited Heavy-Light Mesons
• Use and Misuse of QCD Sum Rules in Heavy-to-light Transitions: the Decay $B\to \rho e\nu$ Reexamined
• Lattice-Constrained Unitarity Bounds for ${\bar{B}}^0\to {\pi }^{+}{l}^{-}{\bar{\nu }}_l$ Decays
• $b\to s\gamma$ AND $b\to sg$: A THEORETICAL REAPPRAISAL
• Lattice Calculation of D- and B-meson Semileptonic Decays, using the Clover Action at beta=6.0 on APE
• Form Factors for B -> pi l nu-bar_l and B -> K* gamma Decays on the Lattice
• Lattice Study of the Decay B^0-bar -> rho^+ l^- nu_l-bar: Model-Independent Determination of |V_{ub}|
• The b -> s gamma decay in supergravity with radiatively electroweak breaking
• Constraints on Supersymmetry due to b -> s γ: an Improved Calculation
• Form Factor Relations for Heavy-to-Light Transitions
• Determination of Vts from D -> K* l nu and B -> K* gamma data via heavy quark symmetry and perturbative QCD
• First Lattice Study of the Form Factors A_0 and A_3 in the Decay Bbar^0 to rho^+ l^- nubar_l

Cited by in corpus (89)

• Experimental Tests of Factorization in Charmless Non-Leptonic Two-Body B Decays
• Weak form factors for heavy meson decays: an update
• Exclusive Semileptonic and Rare B-Meson Decays in QCD
• Heavy-to-Light Form Factors in the Final Hadron Large Energy Limit of QCD
• Charming penguins in B => K* pi, K (rho,omega,phi) decays
• Polarization in B->VV Decays
• Decay constants and form factors of s-wave and p-wave mesons in the covariant light-front quark model
• Predictions on $B\to \pi \bar{l}{\nu }_l$, $D\to \pi \bar{l}{\nu }_l$ and $D\to K\bar{l}{\nu }_l$ from QCD Light-Cone Sum Rules
• Study of Exclusive B->X_u l nu Decays and Extraction of |V_{ub}| using Full Reconstruction Tagging at the Belle Experiment
• Charming Penguins Strike Back
• Rare exclusive semileptonic b -> s transitions in the Standard Model
• Heavy-to-light form factors on the light cone
• Isospin Breaking in B -> K^* gamma Decays
• Improved B -> pi l nu_l form factors from the lattice
• QCD factorization for B -> PP
• Study of the q^2-Dependence of B --> pi ell nu and B --> rho(omega)ell nu Decay and Extraction of |V_ub|
• Covariant Light-Front Approach for B to K* gamma, K_1 gamma, K*_2 gamma Decays
• Transition form factors of B decays into p-wave axial-vector mesons in the perturbative QCD approach
• Measurement of $B\to \rho \ell \nu$ Decay and $|V_{ub}|$
• Long-distance effects in $B\to V\gamma$ radiative weak decays
• Charmed and Bottom Baryons: a Variational Approach based on Heavy Quark Symmetry
• Charm meson resonances and D to V semileptonic form factors
• Measurements of branching fractions and $q^2$ distributions for $B\to \pi \ell \nu$ and $B\to \rho \ell \nu$ Decays with $B\to D^{(\ast )}\ell \nu$ Decay Tagging
• A Study of Exclusive Charmless Semileptonic B Decay and |V_ub|
• Transition Form Factors between Pseudoscalar and Vector Mesons in Light-Front Dynamics
• Heavy to Light Meson Exclusive Semileptonic Decays in Effective Field Theory of Heavy Quark
• Phenomenological Analysis of B->PP Decays with QCD Factorization
• An estimate of the B-->K*gamma form factor
• CP asymmetry, branching ratios and isospin breaking effects of B -> K* gamma with the perturbative QCD approach
• B -> J/psi K^* Decays in QCD Factorization
• The Scalar $B\to \pi$ and $D\to \pi$ Form Factors in QCD
• Study of the leptonic decays of pseudoscalar $B,D$ and vector $B^{\ast },D^{\ast }$ mesons and of the semileptonic $B\to D$ and $B\to D^{\ast }$ decays
• Revisiting the form factors of $P\to V$ transition within the light-front quark models
• Consistent Analysis of the $B\to \pi$ Transition Form Factor in the Whole Physical Region
• $B\to \varphi K$ and $B\to \varphi X_s$ in the Heavy Quark Limit
• Determination of the pion distribution amplitude
• Semileptonic B -> rho and B -> a_1 transitions in a quark-meson model
• Penguin decays of B mesons
• Leptonic and Semileptonic Decays of Pseudoscalar Mesons
• Form factors of exclusive $b\to u$ transitions
• B-Meson Wavefunction with Contributions from 3-particle Fock States
• Exclusive Decays of $B\to K^{(\ast )}{l}^{+}{l}^{-}$ in the PQCD
• Probing New Physics in $B\to K^{(\ast )}{\ell }^{+}{\ell }^{-}$ decays
• Mesonic Tensor Form Factors with Light Front Quark Model
• Strong Couplings of Heavy Mesons to A Light Vector Meson in QCD
• Semileptonic $B\to \pi$ Decays from an Omnès Improved Nonrelativistic Constituent Quark Model
• Status of Heavy Quark Physics on the Lattice
• Measurement of the CKM Matrix Element |Vub| with B->rho e nu Decays
• Predicting the $B->\rho$ form factors using AdS/QCD Distribution Amplitudes for the $\rho$ meson
• Extracting |V(ub)| from B->pi l nu Decays Using a Multiply-subtracted Omnes Dispersion Relation
• Search for $B^{-}\to {\mu }^{-}{\bar{\nu }}_{\mu }$ Decays at the Belle Experiment
• Evidence for $B^{+}\to \omega l^{+}\nu$
• Measurement of |V_{ub}/V_{cb}| (and |V_{ub}|) in Exclusive Nonleptonic Decays, \bar{B}^0 --> D_s^{(*)-}(π^+,ρ^+) and \bar{B}^0 --> D_s^{(*)-}D^{(*)+}
• Flavor SU(3) Symmetry and Factorization in B Decays to Two Charmless Vector Mesons
• Heavy + heavy and heavy + light pseudoscalar to vector semileptonic transitions
• Pionic coupling constants of heavy mesons in the quark model
• Exclusive B-meson Rare Decays and General Relations of Form Factors in Effective Field Theory of Heavy Quarks
• A Study of Exclusive Charmless Semileptonic B Decays and Extraction of |V_{ub}| at CLEO
• |Vub| from Exclusive Semileptonic B--> rho Decays
• $B\to \rho$ transition form factors within the QCD light-cone sum rules and the $\rho$-meson leading-twist distribution amplitude
• Semileptonic B -> a_1 l nu decay in QCD
• A gluonic mechanism for B --> D eta'
• Finding a way to determine the pion distribution amplitude from the experimental data
• Exclusive Radiative Decays of B Mesons in QCD Factorization
• |Vub| from Exclusive Semileptonic B to pi Decays
• B -> K^* gamma from D -> K^* l nu
• Semileptonic and rare B meson decays into a light pseudoscalar meson
• Implications of the first observation of $B\to K_1\gamma$
• Recent Developments on the CKM Matrix
• The $B\to \rho$ helicity form factors within the QCD light-cone sum rules
• The semileptonic B->pi decay in a Constituent Quark-Meson model
• Heavy-to-light transition form factors and their relations in light-cone QCD sum rules
• Ward Identities, B-> ρForm Factors and |V_ub|
• Factorization and hadronic B decays in the heavy quark limit
• Photonic and Leptonic Rare B Decays
• Light quark masses and CKM matrix elements from lattice QCD
• Branching ratio and $CP$ violation of $B\to K\pi$ decays in a modified perturbative QCD approach
• Evaluation of CKM matrix elements from exclusive $P_{\ell 4}$ decays
• CP violation in polarized B-> pi ell+ ell- and B-> rho ell+ ell- decays
• Static and dynamic properties of hadronic systems with heavy quarks b and c
• Form factors for semi-leptonic B decays
• Radiative corrections of $O(\alpha )$ to $B^{-}\to V^0{\ell }^{-}{\bar{\nu }}_{\ell }$ decays
• Future Perspectives in Lattice Field Theory
• Determination of |Vub|
• Testing the chirality of b to u current with B^0 \to ρ^ - \ell^+ ν
• Next-to-leading Order Calculations of the Radiative and Semileptonic Rare B Decays in the Standard Model and Comparison with Data
• Role of Resonances in Heavy Meson Processes within Standard Model and Beyond
• B meson semileptonic decays
• Light-front holography in $B$ physics