A Phenomenological Estimate of the Binding Energy of Heavy Dimesons

Details A Phenomenological Estimate of the Binding Energy of Heavy Dimesons A Phenomenological Estimate of the Binding Energy of Heavy Dimesons

2000-07-04

arxiv.org/abs/hep-ph/0007024v3

Few Body Syst.31:1-11,2001

Physics

High Energy Physics

High Energy Physics - Phenomenology

14 pages, 2 figures, LaTeX; errors in the text corrected and comments added

Scientific paper

10.1007/s006010170001

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 $\Lambda_c$, $\Lambda_b$ and in the $\bar{c}\bar{c}qq$ and $\bar{b}\bar{b}qq$ dimesons are very similar, and that for heavy quarks the $QQ$ interaction is half as strong as the $Q\bar{Q}$ interaction. We get $\bar{b}\bar{b}qq$ (I=0, J=1) bound by about 100 MeV and $\bar{c}\bar{c}qq$ unbound.

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