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Meson-meson potentials from lattice QCD and inverse scattering

  • H. R. Fiebig
  • H. Markum
  • A. Mihály
  • K. Rabitsch
  • M. Sander
  • H. V. von Geramb
Article

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.

Keywords

lattice QCD calculations general properties of QCD 

PACS

12.38.Gc 12.38.Aw 

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Copyright information

© Akadémiai Kiadó 2005

Authors and Affiliations

  • H. R. Fiebig
    • 1
  • H. Markum
    • 2
  • A. Mihály
    • 3
  • K. Rabitsch
    • 2
  • M. Sander
    • 4
  • H. V. von Geramb
    • 4
  1. 1.Physics DepartmentFlorida International UniversityMiamiUSA
  2. 2.Institut für KernphysikTechnische Universität WienViennaAustria
  3. 3.Department of Theoretical PhysicsDebrecen UniversityDebrecenHungary
  4. 4.Theoretische KernphysikUniversität HamburgHamburgGermany

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