A precise determination of T_c in QCD from scaling

Details A precise determination of T_c in QCD from scaling A precise determination of T_c in QCD from scaling

2000-10-09

arxiv.org/abs/hep-lat/0010011v3

Phys.Rev. D64 (2001) 034507

Physics

High Energy Physics

High Energy Physics - Lattice

7 pages, 5 eps figures; improved error analysis yields smaller errors on T_c

Scientific paper

10.1103/PhysRevD.64.034507

Existing lattice data on the QCD phase transition are analyzed in renormalized perturbation theory. In quenched QCD it is found that T_c scales for lattices with only 3 time slices, and that T_c/Lambda_msbar=1.15 \pm 0.05. A preliminary estimate in QCD with two flavours of dynamical quarks shows that this ratio depends on the quark mass. For realistic quark masses we estimate T_c/Lambda_msbar=0.49 \pm 0.02. We also investigate the equation of state in quenched QCD at 1-loop order in renormalised perturbation theory.

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