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The QCD transition temperature

Presenter: Sandor Katz — University of Wuppertal

Y. Aoki, Z. Fodor, S.D. Katz, K.K. Szabo

The transition temperature (Tc) of the QCD transition is determined using 2+1 flavors of staggerd fermions. Due to the crossover nature of the transition, different definitions based on different observables give different, but well defined values for Tc. We study the renormalized chiral susceptibility, the quark number susceptibility and the renormalized Polyakov-loop. Simulations are performed on Nt=4,6,8 and 10 lattices. All Tc values are obtained with physical quark masses extrapolated to the continuum limit.