A Phenomenological Estimate of the Binding Energy of Heavy Dimesons
Abstract
A phenomenological estimate is derived such that the binding energies of dimesons are expressed as combinations of masses of different mesons and baryons. The estimate is almost model-independent, the only major assumptions being that the wave functions of the two light quarks in c, b and in the ccqq and bbqq dimesons are very similar, and that for heavy quarks the QQ interaction is half as strong as the QQ interaction. We get bbqq (I=0, J=1) bound by about 100 MeV and ccqq unbound.
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