Light Vector Resonances in the Effective Chiral Lagrangian for Heavy Mesons

Physics – High Energy Physics – High Energy Physics - Phenomenology

Scientific paper

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12 pages 3 figures (not included), LaTeX (style article), UGVA-DPT 1992/07-780, BARI-TH/92-116

Scientific paper

10.1016/0370-2693(92)91189-G

We modify a chiral effective lagrangian recently suggested to describe
interactions of the light pseudoscalars with mesons containing a heavy quark,
so as to incorporate light vector resonances, such as $\rho$, etc. The
modification uses the hidden gauge symmetry approach. As a preliminary example
we present an application to the semileptonic $D\to K^\star$ decay.

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