Exploring the QCD phase diagram with fluctuations
Volker Koch, Volodymyr Vovchenko
TL;DR
This paper introduces a new computational method to better understand fluctuations in heavy-ion collisions, accounting for conservation laws and decay effects, with initial applications to LHC data and plans for RHIC analysis.
Contribution
A novel subensemble sampler for the Cooper-Frye routine that improves fluctuation modeling in heavy-ion collision simulations.
Findings
Effective incorporation of conservation laws and resonance decays.
Application to LHC heavy-ion collision data.
Framework for analyzing RHIC beam energy scan fluctuations.
Abstract
We report on recent progress concerning theoretical description of event-by-event fluctuations in heavy-ion collisions. Specifically we discuss a new Cooper-Frye particlization routine -- the subensemble sampler -- which is designed to incorporate effects of global conservation laws, thermal smearing and resonance decays on fluctuation measurements in various rapidity acceptances. First applications of the method to heavy-ion collisions at the LHC energies are presented and further necessary steps to analyze fluctuations from RHIC beam energy scan are outlined.
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