Physics – High Energy Physics – High Energy Physics - Lattice
Scientific paper
1997-09-30
Nucl.Phys.Proc.Suppl. 63 (1998) 386-388
Physics
High Energy Physics
High Energy Physics - Lattice
3 pages, 5 EPS figures, Poster presented at "Lattice'97", to appear in the proceedings
Scientific paper
10.1016/S0920-5632(97)00778-0
We extend our investigation of heavy-light meson-meson interactions to a system consisting of a heavy-light meson and the corresponding antiparticle. An effective potential is obtained from meson-antimeson Green-functions computed in a quenched simulation with staggered fermions. Comparisons with a simulation using an $O(a^2)$ tree-level and tadpole improved gauge action and a full QCD simulation show that lattice discretization errors and dynamical quarks have no drastic influence. Calculations from inverse scattering theory propose a similar shape for $K\bar{K}$ potentials.
Fiebig Rudolf H.
Markum Harald
Mihály András
Rabitsch K.
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