Recent results on QCD thermodynamics: Lattice QCD versus Hadron Resonance Gas model

Claudia Ratti, Szabolcs Borsányi, Zoltán Fodor, Christian Hoelbling, Sándor D. Katz, Stefan Krieg, Kálmán K. Szabó

Research output: Contribution to journalArticlepeer-review

28 Scopus citations

Abstract

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 (Nt=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.

Original languageEnglish (US)
Pages (from-to)253-256
Number of pages4
JournalNuclear Physics A
Volume855
Issue number1
DOIs
StatePublished - Apr 1 2011

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics

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