Critical net-proton number fluctuations with hydrodynamics

Rui-zhe Zhao, Shi Yin, Shanjin Wu +3

We compute the net-proton number fluctuations and their ratios $C_2/C_1$, $C_3/C_2$ and $C_4/C_2$ on the hydrodynamic freeze-out hypersurface of particlization at nine collision en…