| Issue |
EPJ Web Conf.
Volume 259, 2022
The 19th International Conference of Strangeness in Quark Matter (SQM 2021)
|
|
|---|---|---|
| Article Number | 10001 | |
| Number of page(s) | 4 | |
| Section | Bulk Properties (Parallel) | |
| DOI | https://doi.org/10.1051/epjconf/202225910001 | |
| Published online | 01 February 2022 | |
https://doi.org/10.1051/epjconf/202225910001
Off-of-equilibrium effects on Kurtosis Along Strangeness-Neutral Trajectories
1 Department of Physics, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA
2 Department of Physics, University of Houston, Houston, TX 77204, USA
3 University of Wuppertal, Department of Physics, Wuppertal D-42119, Germany
Published online: 1 February 2022
The Beam Energy Scan program at the Relativistic Heavy Ion Collider (RHIC) is searching for the QCD critical point. The main signal for the critical point is the kurtosis of the distribution of proton yields obtained on an event by event basis where one expects a peak at the critical point. However, its exact behavior is still an open question due to out-of-equilibrium effects and uncertainty in the equation of state. Here we use a simplistic hydrodynamic model that enforces strangeness-neutrality, selecting trajectories that pass close to the critical point. We vary the initial conditions to estimate the effect of out-of-equilibrium hydrodynamics on the kurtosis signal.
© The Authors, published by EDP Sciences, 2022
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