Can lattice data for two heavy-light mesons be understood in terms of simply two-quark potentials?
A. M. Green, J. Koponen, P. Pennanen
Abstract
By comparing lattice data for the two heavy-light meson system (Q2 qbar2) with a standard many-body approach employing only interquark potentials, it is shown that the use of unmodified two-quark potentials leads to a gross overestimate of the binding energy.
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