QCD Equation of State of Dense Nuclear Matter from a Bayesian Analysis of Heavy-Ion Collision Data - INSPIRE

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QCD Equation of State of Dense Nuclear Matter from a Bayesian Analysis of Heavy-Ion Collision Data

Manjunath Omana Kuttan
(
- Frankfurt U. and
- Frankfurt U., FIAS and
- Goethe U., Frankfurt, IAP and
- Unlisted
)
,
Jan Steinheimer
(
- Frankfurt U., FIAS
)
,
Kai Zhou
(
- Frankfurt U., FIAS
)
,
Horst Stoecker
(
)

Nov 21, 2022

7 pages

Published in:

Phys.Rev.Lett. 131 (2023) 20, 202303

Published: Nov 16, 2023

e-Print:

2211.11670 [hep-ph]

DOI:

10.1103/PhysRevLett.131.202303 (publication)

View in:

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Abstract: (APS)

Bayesian methods are used to constrain the density dependence of the QCD equation of state (EOS) for dense nuclear matter using the data of mean transverse kinetic energy and elliptic flow of protons from heavy ion collisions (HICs), in the beam energy range

\sqrt{s_{NN}} = 2 - 10 GeV

. The analysis yields tight constraints on the density dependent EOS up to 4 times the nuclear saturation density. The extracted EOS yields good agreement with other observables measured in HIC experiments and constraints from astrophysical observations both of which were not used in the inference. The sensitivity of inference to the choice of observables is also discussed.

Note:

Replaced with the published version

heavy ion: scattering
beam: energy
quantum chromodynamics: equation of state
saturation: density
energy: kinetic
p: elliptic flow
nuclear matter
density dependence
Bayesian
numerical methods

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Figures(15)

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