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VOLUME 90 (2009) | ISSUE 4 | PAGE 254
Diquark and triquark correlations in the deconfined phase of QCD
PACS: 12.38.Lg, 12.39.Ki, 25.75.Ma
Abstract
We use the non-perturbative Q\overline{Q} potential at finite temperatures derived in the Field Correlator Method to obtain binding energies for the lowest eigenstates in the Q\overline{Q} and QQQ systems (Q=c,b). The three-quark problem is solved by the hyperspherical method. The solution provides an estimate of the melting temperature and the radii for the different diquark and triquark bound states. In particular we find that J/ψ and ccc ground states survive up to T \sim 1.3 T_c, where Tc is the critical temperature, while the corresponding bottomonium states survive even up to higher temperature, T\sim2.3 T_c.