Journal
PHYSICAL REVIEW D
Volume 85, Issue 5, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.85.054503
Keywords
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Funding
- U.S. Department of Energy [DE-AC02-98CH10886, DE-AC52-07NA27344, DE-FG02-92ER40699, DE-FG02-91ER-40628, DE-FG02-91ER-40661, DE-FG02-04ER-41298, DE-KA-14-01-02]
- NSF [PHY08-57333, PHY07-57035, PHY07-57333, PHY07-03296]
- Bundesministerium fur Bildung und Forschung [06BI9001]
- Gesellschaft fur Schwerionenforschung under BILAER
- Deutsche Forschungsgemeinschaft [GRK881]
- EU
- Division Of Physics
- Direct For Mathematical & Physical Scien [757333] Funding Source: National Science Foundation
- Division Of Physics
- Direct For Mathematical & Physical Scien [757035, 0903536] Funding Source: National Science Foundation
- Office of Advanced Cyberinfrastructure (OAC)
- Direct For Computer & Info Scie & Enginr [0910735] Funding Source: National Science Foundation
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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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