Conserved charge fluctuations are not conserved during the hadronic phase

We study the correlation between the distributions of the net-charge, net-kaon, net-baryon and net-proton number at hadronization and after the final hadronic decoupling by simulating ultra relativistic heavy ion collisi
We study the correlation between the distributions of the net-charge, net-kaon, net-baryon and net-proton number at hadronization and after the final hadronic decoupling by simulating ultra relativistic heavy ion collisions with the hybrid version of the ultrarelativistic quantum molecular dynamics (UrQMD) model. We find that due to the hadronic rescattering these distributions are not strongly correlated. The calculated change of the correlation, during the hadronic expansion stage, does not support the recent paradigm, namely that the measured final moments of the experimentally observed distributions do give directly the values of those distributions at earlier times, when the system had been closer to the QCD crossover.
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Metadaten
Author:Jan Steinheimer, Volodymyr Vovchenko, Jörg Aichelin, Marcus Bleicher, Horst Stöcker
URN:urn:nbn:de:hebis:30:3-547870
DOI:http://dx.doi.org/10.1016/j.physletb.2017.11.012
ISSN:1873-2445
ISSN:0370-2693
Parent Title (English):Physics Letters B
Publisher:Elsevier
Place of publication:Amsterdam [u.a.]
Document Type:Article
Language:English
Date of Publication (online):2017/11/10
Date of first Publication:2017/11/10
Publishing Institution:Universitätsbibliothek Johann Christian Senckenberg
Release Date:2020/05/16
Volume:776.2018
Pagenumber:6
First Page:32
Last Page:37
HeBIS PPN:465586465
Institutes:Physik
Dewey Decimal Classification:530 Physik
Sammlungen:Universitätspublikationen
Licence (German):License LogoCreative Commons - Namensnennung 4.0

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