Physics – High Energy Physics – High Energy Physics - Lattice
Scientific paper
2010-12-23
Nucl.Phys.A855:253-256,2011
Physics
High Energy Physics
High Energy Physics - Lattice
4 pages, 3 figures, Presented at the 4th International Conference Hard Probes 2010
Scientific paper
10.1016/j.nuclphysa.2011.02.052
We present our most recent investigations on the QCD cross-over transition temperatures with 2+1 staggered flavours and one-link stout improvement [JHEP 1009:073, 2010]. We extend our previous two studies [Phys. Lett. B643 (2006) 46, JHEP 0906:088 (2009)] by choosing even finer lattices ($N_t$=16) and we work again with physical quark masses. All these results are confronted with the predictions of the Hadron Resonance Gas model and Chiral Perturbation Theory for temperatures below the transition region. Our results can be reproduced by using the physical spectrum in these analytic calculations. A comparison with the results of the hotQCD collaboration is also discussed.
Borsanyi Szabolcs
Fodor Zoltan
Hoelbling Christian
Katz Sandor D.
Krieg Stefan
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