Nonleptonic two-body charmed meson decays in an effective model for their semileptonic decays

Details Nonleptonic two-body charmed meson decays in an effective model for their semileptonic decays Nonleptonic two-body charmed meson decays in an effective model for their semileptonic decays

1997-06-03

arxiv.org/abs/hep-ph/9706223v1

Phys.Rev.D56:7207-7215,1997

Physics

High Energy Physics

High Energy Physics - Phenomenology

25 pages, Latex, 3 Figures

Scientific paper

10.1103/PhysRevD.56.7207

We analyze $D \to P V$, $D \to PP$ and $D \to VV$ decays within a model developed to describe the semileptonic decays $D \to V l \nu_l$ and $D\to P l \nu_l$. This model combines the heavy quark effective Lagrangian and chiral perturbation theory. We determine amplitudes for decays in which the direct weak annihilation of the initial $D$ meson is absent or negligible, and in which the final state interactions are small. This analysis reduces the arbitrariness in the choice of model parameters. The calculated decay widths are in good agreement with the experimental results.

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