Decoding the phase structure of QCD via particle production at high energy

Anton Andronic, Peter Braun-Munzinger (), Krzysztof Redlich and Johanna Stachel
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Anton Andronic: GSI Helmholtzzentrum für Schwerionenforschung
Peter Braun-Munzinger: GSI Helmholtzzentrum für Schwerionenforschung
Krzysztof Redlich: GSI Helmholtzzentrum für Schwerionenforschung
Johanna Stachel: Universität Heidelberg

Nature, 2018, vol. 561, issue 7723, 321-330

Abstract: Abstract Recent studies based on lattice Monte Carlo simulations of quantum chromodynamics (QCD)—the theory of strong interactions—have demonstrated that at high temperature there is a phase change from confined hadronic matter to a deconfined quark–gluon plasma in which quarks and gluons can travel distances that greatly exceed the size of hadrons. Here we show that the phase structure of such strongly interacting matter can be decoded by analysing particle production in high-energy nuclear collisions within the framework of statistical hadronization, which accounts for the thermal distribution of particle species. Our results represent a phenomenological determination of the location of the phase boundary of strongly interacting matter, and imply quark–hadron duality at this boundary.

Keywords: Ultra-relativistic Nuclear Collisions; Statistical Hadronization Model; Relativistic Heavy Ion Collider (RHIC); Hadron Yield; Heavy Quark (search for similar items in EconPapers)
Date: 2018
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DOI: 10.1038/s41586-018-0491-6

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