Conserved charge fluctuations at vanishing net-baryon density from Lattice QCD

Abstract

We present here continuum extrapolated results for all 2nd order cumulants using the most recent results obtained by the HotQCD collaboration in (2+1)-flavor QCD. We constrain the applicability of various HRG models by presenting a detailed comparison of our results based on different sets of hadron spectra as well as with virial expansion based model calculations. A comparison with our lattice QCD results for 2nd order cumulants with models that parametrize repulsive interactions among baryons and anti-baryons in a hadron resonance gas through a single excluded volume parameter (EVHRG) is also shown.

prepared for the proceedings of "SQM2021"

References in corpus (4)

• Mass spectra and Regge trajectories of light mesons in the relativistic quark model
• Repulsive baryonic interactions and lattice QCD observables at imaginary chemical potential
• Off-diagonal correlators of conserved charges from lattice QCD and how to relate them to experiment
• Constraining the hadronic spectrum and repulsive interactions in a hadron resonance gas via fluctuations of conserved charges