QCD thermodynamics with continuum extrapolated Wilson fermions II

Abstract

We continue our investigation of 2+1 flavor QCD thermodynamics using dynamical Wilson fermions in the fixed scale approach. Two additional pion masses, approximately 440 MeV and 285 MeV, are added to our previous work at 545 MeV. The simulations were performed at 3 or 4 lattice spacings at each pion mass. The renormalized chiral condensate, strange quark number susceptibility and Polyakov loop is obtained as a function of the temperature and we observe a decrease in the light chiral pseudo-critical temperature as the pion mass is lowered while the pseudo-critical temperature associated with the strange quark number susceptibility or the Polyakov loop is only mildly sensitive to the pion mass. These findings are in agreement with previous continuum results obtained in the staggered formulation.

19 pages, 13 figures, published version

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• In-medium effects in strangeness production in heavy-ion collisions at (sub-)threshold energies
• Radius of convergence in lattice QCD at finite ${\mu }_B$ with rooted staggered fermions
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• Dynamical mechanisms for deuteron production at mid-rapidity in relativistic heavy-ion collisions from SIS to RHIC energies
• $K^{\ast }$ vector meson resonances dynamics in heavy-ion collisions
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• Finite temperature properties of QCD with two flavors and three, four and five colors
• Baryon-antibaryon dynamics in relativistic heavy-ion collisions
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• Lattice QCD at nonzero temperature and density
• The quest for the quark-gluon plasma from the perspective of dynamical models of relativistic heavy-ion collisions