Exploring the QCD phase diagram with 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.

Comments: 13 pages, 3 figures. Prepared for the 60th anniversary of the Cracow School of Theoretical Physics. Contains overview of the material presented in arXiv:2012.09954