Strangeness neutrality and baryon-strangeness correlations

We derive a simple relation between strangeness neutrality and baryon-strangeness correlations. In heavy-ion collisions, the former is a consequence of quark number conservation of the strong interactions while the latter are sensitive probes of the character of QCD matter. This relation allows us t...

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Hauptverfasser: Fu, Wei-jie (VerfasserIn) , Pawlowski, Jan M. (VerfasserIn) , Rennecke, Fabian (VerfasserIn)
Dokumenttyp: Article (Journal)
Sprache:Englisch
Veröffentlicht: 20 December 2019
In: Physical review
Year: 2019, Jahrgang: 100, Heft: 11
ISSN:2470-0029
DOI:10.1103/PhysRevD.100.111501
Online-Zugang:Verlag, Volltext: https://doi.org/10.1103/PhysRevD.100.111501
Verlag, Volltext: https://link.aps.org/doi/10.1103/PhysRevD.100.111501
Volltext
Verfasserangaben:Wei-jie Fu, Jan M. Pawlowski, Fabian Rennecke

MARC

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520 |a We derive a simple relation between strangeness neutrality and baryon-strangeness correlations. In heavy-ion collisions, the former is a consequence of quark number conservation of the strong interactions while the latter are sensitive probes of the character of QCD matter. This relation allows us to directly extract baryon-strangeness correlations from the strangeness chemical potential at strangeness neutrality. The explicit calculations are performed within a low-energy theory of QCD with 2+1 dynamical quark flavors at finite temperature and density. Nonperturbative quark and hadron fluctuations are taken into account within the functional renormalization group. The results show the pronounced sensitivity of baryon-strangeness correlations on the QCD phase transition and the crucial role that strangeness neutrality plays for this observable. 
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