May 17 – 22, 2021
US/Eastern timezone

Coupled baryon, electric charge and strangeness fluctuations in heavy-ion collisions

May 18, 2021, 12:10 PM
Room A (Zoom)

Room A


zoom co-host: Niveditha Ramasubramanian
Theory talk Bulk (Fluctuation)


Grégoire PIHAN (CNRS)


Fluctuation observables in heavy-ion collisions probe the constituents, the chemical freeze-out and the transport properties of strongly interacting matter, and signal phase transitions. We present results for second order fluctuations of the conserved charges in QCD from a stochastic diffusion model in a Bjorken-type expansion background. The impact of the cross couplings between the three different currents is included and phenomenological consequences for experimental observables which affect the determination of the freeze-out curve and the search for the QCD critical point are discussed.

Primary authors

Presentation materials