A quark loop model for heavy mesons

Details A quark loop model for heavy mesons A quark loop model for heavy mesons

2001-07-27

arxiv.org/abs/hep-ph/0107285v1

AIP Conf.Proc. 602 (2001) 253-258

Physics

High Energy Physics

High Energy Physics - Phenomenology

6 pages, 2 tables, LaTeX (aipproc style), Invited talk at QCD@Work, Martina Franca, Italy, June 16-20 2001

Scientific paper

10.1063/1.1435934

I consider a model based on a quark--meson interaction Lagrangian. The transition amplitudes are evaluated by computing diagrams in which heavy and light mesons are attached to quark loops. The light chiral symmetry relations and the heavy quark spin-flavour symmetry dictated by the heavy quark effective theory are implemented. The model allows to compute the decay form factors and therefore can give predictions for the decay rates, the invariant mass spectra and the asymmetries.

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