Semileptonic B -> a_1 l nu decay in QCD

Abstract

The form factors and the branching ratio of the "B -> a_1 l nu" decay are calculated in framework of QCD sum rules. A comparison of our results on form factors and branching ratio with the results from constituent quark model is presented.

12 pages, 2 figures, LaTeX formatted

References in corpus (5)

• Exclusive Semileptonic and Rare B-Meson Decays in QCD
• Use and Misuse of QCD Sum Rules in Heavy-to-light Transitions: the Decay $B\to \rho e\nu$ Reexamined
• Lattice-Constrained Parametrizations of Form Factors for Semileptonic and Rare Radiative B Decays
• The Scalar $B\to \pi$ and $D\to \pi$ Form Factors in QCD
• Semileptonic B -> rho and B -> a_1 transitions in a quark-meson model

Cited by in corpus (14)

• Covariant Light-Front Approach for s-wave and p-wave Mesons: Its Application to Decay Constants and Form Factors
• Decay constants and form factors of s-wave and p-wave mesons in the covariant light-front quark model
• Transition form factors of B decays into p-wave axial-vector mesons in the perturbative QCD approach
• Hadronic charmless B decays B-> AP
• Form Factors of $B_{u,d,s}$ Decays into P-Wave Axial-Vector Mesons in the Light-Cone Sum Rule Approach
• Probing New Physics with $\bar{B}\to \rho (770){\ell }^{-}{\bar{\nu }}_{\ell }$ and $\bar{B}\to a_1(1260){\ell }^{-}{\bar{\nu }}_{\ell }$
• Three-Body Charmful Baryonic B Decays $\bar{B}\to D(D^{\ast })N\bar{N}$
• Analysis of the $B\to a_1(1260)$ form-factors with light-cone QCD sum rules
• Branching Ratios and CP Asymmetries of B \to a_1(1260) πand a_1(1260) K Decays
• $a_1(1260)$-meson longitudinal twist-2 distribution amplitude and the $D\to a_1(1260){\ell }^{+}{\nu }_{\ell }$ decay processes
• FCNC transition of $B$ to $a_1$ with LCSR
• $B\to A$ transitions in the light-cone QCD sum rules with the chiral current
• Exclusive semileptonic and nonleptonic decays of B mesons to orbitally excited light mesons
• P wave mesons emitting weak decays of bottom mesons