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Meson-meson potentials from lattice QCD and inverse scattering

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Acta Physica Hungarica Series A, Heavy Ion Physics

Abstract

Potentials between light-light and heavy-light mesons are computed from meson-meson Green’s functions in the framework of quenched lattice QCD with Kogut-Susskind fermions. Comparisons with a full QCD simulation and a simulation using an O(a 2) tree-level and tadpole improved gauge action show that dynamic quarks and lattice discretization errors have no drastic influence. Calculations from inverse scattering theory propose a similar shape for \(K\bar K\) potentials, whereas a good qualitative agreement with ππ potentials could not be obtained.

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Authors and Affiliations

  1. Physics Department, Florida International University, 33199, Miami, Florida, USA

    H. R. Fiebig

  2. Institut für Kernphysik, Technische Universität Wien, A-1040, Vienna, Austria

    H. Markum & K. Rabitsch

  3. Department of Theoretical Physics, Debrecen University, H-4010, Debrecen, Hungary

    A. Mihály

  4. Theoretische Kernphysik, Universität Hamburg, D-22761, Hamburg, Germany

    M. Sander & H. V. von Geramb

Authors
  1. H. R. Fiebig
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  2. H. Markum
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  3. A. Mihály
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  4. K. Rabitsch
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  5. M. Sander
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  6. H. V. von Geramb
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Fiebig, H.R., Markum, H., Mihály, A. et al. Meson-meson potentials from lattice QCD and inverse scattering. Acta Phys. Hung. A 22, 37–59 (2005). https://doi.org/10.1556/APH.22.2005.1-2.6

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  • DOI: https://doi.org/10.1556/APH.22.2005.1-2.6

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