Heavy two- and three-quark free energies at finite $T$

Details Heavy two- and three-quark free energies at finite $T$ Heavy two- and three-quark free energies at finite $T$

2005-09-23

arxiv.org/abs/hep-lat/0509110v1

PoSLAT2005:194,2006

Physics

High Energy Physics

High Energy Physics - Lattice

6 pages, 8 figures, talk presented at Lattice 2005 (Nonzero Temperature and Density), Dublin, July 25-30, 2005

Scientific paper

We investigate the behaviour of heavy $QQ$- and $QQQ$-free energies in SU(3) pure gauge theory at finite temperature. After stating some general properties of the free energies, we discuss the $QQ$-antitriplet and -sextet channels as well as free energies in different $QQQ$-channels. We perform a detailed finite volume scaling analysis of $QQ$-free energies below and above $T_c$. Moreover, we also discuss the relation of the $QQ$-antitriplet to the $Q\bar Q$-singlet free energies. A comparison of the effective running coupling indicates that the $r$-dependence of the free energies differs by a factor of two in agreement with the different Casimir factors. We observe that the baryonic free energies can be decomposed into a sum of two particle interactions.

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