Freeze-out parameters: Lattice meets experiment

S. Borsányi, Z. Fodor, S. D. Katz, S. Krieg, C. Ratti, K. K. Szabó

Research output: Contribution to journalArticle

137 Citations (Scopus)

Abstract

We present our results for ratios of higher order fluctuations of electric charge as functions of the temperature. These results are obtained in a system of 2+1 quark flavors at physical quark masses and continuum extrapolated. We compare them to preliminary data on higher order moments of the net electric charge distribution from the STAR collaboration. This allows us to determine the freeze-out temperature and chemical potential from first principles. We also show continuum-extrapolated results for ratios of higher order fluctuations of baryon number. These will allow us to test the consistency of the approach, by comparing them to the corresponding experimental data (once they become available) and thus, extracting the freeze-out parameters in an independent way.

Original languageEnglish
Article number062005
JournalPhysical review letters
Volume111
Issue number6
DOIs
Publication statusPublished - Aug 8 2013

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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