The chiral and deconfinement aspects of the QCD transition

Details The chiral and deconfinement aspects of the QCD transition The chiral and deconfinement aspects of the QCD transition

2011-11-07

arxiv.org/abs/1111.1710v2

Phys. Rev. D85 (2012) 054503

Physics

High Energy Physics

High Energy Physics - Lattice

Published version, typos corrected, minor revisions in section I and VII, conclusions unchanged

Scientific paper

We present results on the chiral and deconfinement properties of the QCD transition at finite temperature. Calculations are performed with 2+1 flavors of quarks using the p4, asqtad and HISQ/tree actions. Lattices with temporal extent N_tau=6, 8 and 12 are used to understand and control discretization errors and to reliably extrapolate estimates obtained at finite lattice spacings to the continuum limit. The chiral transition temperature is defined in terms of the phase transition in a theory with two massless flavors and analyzed using O(N) scaling fits to the chiral condensate and susceptibility. We find consistent estimates from the HISQ/tree and asqtad actions and our main result is T_c=154 +/- 9 MeV.

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