The semileptonic B->pi decay in a Constituent Quark-Meson model

Details The semileptonic B->pi decay in a Constituent Quark-Meson model The semileptonic B->pi decay in a Constituent Quark-Meson model

1999-07-05

arxiv.org/abs/hep-ph/9907225v2

Phys.Rev. D61 (2000) 017502

Physics

High Energy Physics

High Energy Physics - Phenomenology

6 pages, 3 figures, LaTeX (uses aps, epsf, revtex), formula 26 corrected, discussion enlarged, references updated and other mi

Scientific paper

10.1103/PhysRevD.61.017502

We evaluate the form factors describing the exclusive decay B-> pi l nu by using a Constituent Quark-Meson model based on an effective quark-meson Lagrangian (CQM). The model allows for an expansion in the pion momenta and we consider terms up to the first order in the pion field derivatives. We compute the leading terms in the soft pion limit and consider corrections to this limit.

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