Journal Article

GSI-2026-00009

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Bayesian constraints on the high density QCD EoS for nuclear matter from Heavy-ion collision data

Kuttan, M. O. (Corresponding author) ; Steinheimer, J.GSI* ; Zhou, K. ; Stöcker, H.GSI*

2025
EDP Sciences Les Ulis

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Please use a persistent id in citations: doi:10.1051/epjconf/202531606001  doi:10.15120/GSI-2026-00009

Abstract: A Bayesian framework is introduced to constrain the density dependence of the Equation of State (EoS) for nuclear matter. The EoS is inferred using existing measurements of elliptic flow and the mean transverse kinetic energy of protons in the beam energy range of √sNN = 2−10 GeV. Tight constraints are obtained for densities up to 4 times the nuclear saturation density. However, the results are highly sensitive to the choice of observables, highlighting the need for consistent, high-precision measurements in this energy range.

Note: This is an open access article distributed under the terms of the Creative Commons Attribution License 4.0 (https://creativecommons.org/licenses/by/4.0/).

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Contributing Institute(s):

1. Heiße & Dichte QCD Materie (TES)

Research Program(s):

1. 612 - Cosmic Matter in the Laboratory (POF4-612) (POF4-612)
2. FIAS - Frankfurt Institute for Advanced Studies (FIAS) (FIAS)

Experiment(s):

1. no experiment theory work (theory)

Appears in the scientific report 2025

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