Symmetry-breaking corrections to heavy-to-light B meson form factors at large recoil

Details Symmetry-breaking corrections to heavy-to-light B meson form factors at large recoil Symmetry-breaking corrections to heavy-to-light B meson form factors at large recoil

2000-08-24

arxiv.org/abs/hep-ph/0008255v2

Nucl.Phys. B592 (2001) 3-34

Physics

High Energy Physics

High Energy Physics - Phenomenology

30 pages, LaTeX (typos in eq. (44), (46) corrected)

Scientific paper

Recently it has been shown that symmetries emerging in the heavy quark and large recoil energy limit impose various relations on form factors that parametrise the decay of B mesons into light mesons. These symmetries are broken by perturbative effects. In this paper we discuss the structure of heavy-to-light form factors including such effects and compute symmetry-breaking corrections to first order in the strong coupling. As an application of our results we consider the forward-backward asymmetry zero in the rare decay B -> V l^+ l^- and the possibility to constrain potential new physics contributions to the Wilson coefficient C_9.

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