EPJ Web Conf.
Volume 276, 2023The 20th International Conference on Strangeness in Quark Matter (SQM 2022)
|Number of page(s)||7|
|Section||Bulk Matter Phenomena, QCD Phase Diagram, and Critical Point|
|Published online||01 March 2023|
Proton and Λ flow and the equation of state at high density
Frankfurt Institute for Advanced Studies, Ruth-Moufang-Str. 1, D-60438 Frankfurt am Main, Germany
2 Institut für Theoretische Physik, Goethe Universität Frankfurt, Max-von-Laue-Str. 1, D-60438 Frankfurt am Main, Germany
3 Xidian-FIAS international Joint Research Center, Giersch Science Center, D-60438 Frankfurt am Main, Germany
4 Institute for Nuclear Theory, University of Washington, Box 351550, Seattle, Washington 98195, USA
5 Akita International University, Yuwa, Akita-city 010-1292, Japan
6 Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, California 94720, USA
7 GSI Helmholtzzentrum für Schwerionenforschung GmbH, Planckstr. 1, D-64291 Darmstadt, Germany
8 Helmholtz Research Academy Hesse for FAIR (HFHF), GSI Helmholtzzentrum für Schwerionenforschung GmbH, Campus Frankfurt, Max-von-Laue-Str. 12, 60438 Frankfurt am Main, Germany
* e-mail: email@example.com
Published online: 1 March 2023
Results on proton and Λ flow, calculated with the UrQMD model that incorporates different realistic density dependent equations of state, are presented. It is shown that the proton and hyperon flow shows sensitivity to the equation of state and especially to the appearance of a phase transition at densities below 4n0. Even though qualitatively hyperons and protons exhibit the same beam energy dependence of the flow, the quantitative results are different. In this context it is suggested that the hyperon measurements can be used to study the density dependence of the hyperon interaction in high density QCD matter.
© The Authors, published by EDP Sciences, 2023
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