Low-energy interactions of Nambu-Goldstone bosons with $D$ mesons in covariant chiral perturbation theory

Details Low-energy interactions of Nambu-Goldstone bosons with $D$ mesons in covariant chiral perturbation theory Low-energy interactions of Nambu-Goldstone bosons with $D$ mesons in covariant chiral perturbation theory

2010-08-02

arxiv.org/abs/1008.0383v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

3 figures and 4 tables

Scientific paper

We calculate the scattering lengths of Nambu-Goldstone bosons interacting with $D$ mesons in a covariant formulation of chiral perturbation theory, which satisfies heavy-quark spin symmetry and analytical properties of loop amplitudes. We compare our results with previous studies performed using heavy meson chiral perturbation theory and show that recoil corrections are sizable in most cases.

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