Speaker
Dr
Christian Schmidt
(Universitaet Bielefeld)
Description
We will review recent progress on the calculation of conserved
charge fluctuations with highly improved staggered quarks (HISQ).
In particular we will focus on higher order cumulants of net baryon
number, net electric charge and net strangeness fluctuations. We will discuss how these quantities approach the hadron resonance gas model at low temperatures and analyze to what extent they show sensitivity to
universal scaling behavior, i.e. we estimate the relative strength of
contributions from the regular and singular part of the free energy.
Based on this analysis we discuss consequences for the convergence
radius of the Taylor expansion of the pressure and possible
experimental observables of the QCD critical point.
