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Interactions between heavy mesons and Goldstone bosons from chiral dynamics

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Abstract

We calculate the S -wave scattering lengths for charmed mesons scattering off Goldstone bosons and explore their quark mass dependence using the 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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Authors and Affiliations

  1. Institut für Kernphysik and Jülich Center for Hadron Physics, Forschungszentrum Jülich, D-52425, Jülich, Germany

    F. -K. Guo, C. Hanhart & U. -G. Meißner

  2. Institute for Advanced Simulations, Forschungszentrum Jülich, D-52425, Jülich, Germany

    C. Hanhart & U. -G. Meißner

  3. Helmholtz-Institut für Strahlen- und Kernphysik and Bethe Center for Theoretical Physics, Universität Bonn, D-53115, Bonn, Germany

    U. -G. Meißner

Authors
  1. F. -K. Guo
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  2. C. Hanhart
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  3. U. -G. Meißner
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Correspondence to F. -K. Guo.

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Guo, F.K., Hanhart, C. & Meißner, U.G. Interactions between heavy mesons and Goldstone bosons from chiral dynamics. Eur. Phys. J. A 40, 171–179 (2009). https://doi.org/10.1140/epja/i2009-10762-1

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  • DOI: https://doi.org/10.1140/epja/i2009-10762-1

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