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arxiv: 1112.4416 · v1 · pith:N5A5PQJOnew · submitted 2011-12-19 · ✦ hep-lat · hep-ph

Fluctuations of conserved charges at finite temperature from lattice QCD

Szabolcs Borsanyi , Zoltan Fodor , Sandor D. Katz , Stefan Krieg , Claudia Ratti , Kalman Szabo This is my paper
classification ✦ hep-lat hep-ph
keywords quarktemperatureimprovedlatticeresultsstaggeredactionagreement
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We present the full results of the Wuppertal-Budapest lattice QCD collaboration on flavor diagonal and non-diagonal quark number susceptibilities with 2+1 staggered quark flavors, in a temperature range between 125 and 400 MeV. The light and strange quark masses are set to their physical values. Lattices with Nt=6, 8, 10, 12, 16 are used. We perform a continuum extrapolation of all observables under study. A Symanzik improved gauge and a stout-link improved staggered fermion action is utilized. All results are compared to the Hadron Resonance Gas model predictions: good agreement is found in the temperature region below the transition.

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