(Non)-perturbative properties of high-T QCD from lattice ... - Physics
(Non)-perturbative properties of high-T QCD from lattice ... - Physics
(Non)-perturbative properties of high-T QCD from lattice ... - Physics
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F. Karsch, x<strong>QCD</strong>, July 2008 – p. 16/32EoS: low T regime870.32 0.36 0.40 0.44 0.48(ε-3p)/T 4Tr 0870.32 0.36 0.40 0.44 0.48(ε-3p)/T 4Tr 0654asqtad: N τ =68p4: N τ =686540.1m s : N τ =680.05m s : N τ =8HRG32hot<strong>QCD</strong>preliminary321T [MeV]0130 140 150 160 170 180 190 200LGT vs resonance gasapproach to physical quark masses:m q = 0.1m s → m q = 0.05m s(m π ≃ 220 MeV → 150 MeV)→ O(5MeV) shift <strong>of</strong> T -scale1000 111000 111000 111000 111000 111000 111T [MeV]0130 140 150 160 170 180 190 200∼ physical quark massesgood agreement with HRG model inthe transition region;still need to control cut-<strong>of</strong>f effects
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