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A Phenomenological Estimate of the Binding Energy of Heavy Dimesons | | D. Janc
; M. Rosina
; | | Date: |
4 Jul 2000 | | Journal: | Few Body Syst. 31 (2001) 1-11 | | Subject: | hep-ph | | Affiliation: | University of Ljubljana and J.Stefan Institute | | 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 $Lambda_c$, $Lambda_b$ and in the $ar{c}ar{c}qq$ and $ar{b}ar{b}qq$ dimesons are very similar, and that for heavy quarks the $QQ$ interaction is half as strong as the $Qar{Q}$ interaction. We get $ar{b}ar{b}qq$ (I=0, J=1) bound by about 100 MeV and $ar{c}ar{c}qq$ unbound. | | Source: | arXiv, hep-ph/0007024 | | Services: | Forum | Review | PDF | Favorites | |
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