Interactions between heavy mesons and Goldstone bosons from chiral dynamics

Details Interactions between heavy mesons and Goldstone bosons from chiral dynamics Interactions between heavy mesons and Goldstone bosons from chiral dynamics

2009-01-12

arxiv.org/abs/0901.1597v2

Eur.Phys.J.A40:171-179,2009

Physics

High Energy Physics

High Energy Physics - Phenomenology

9 pages, 4 figures. New results presented, version accepted for publication in Eur. Phys. J. A

Scientific paper

10.1140/epja/i2009-10762-1

We calculate the S-wave scattering lengths for charmed mesons scattering off Goldstone bosons and explore their quark mass dependence using chiral perturbation theory up to next-to-leading order as well as a unitarized version of it. The quark mass dependence of all scattering lengths determined in a recent lattice calculation can be reproduced by the unitarized version. We also discuss signals of possible bound states in these observables.

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