Comparison of different theoretical calculations to the \e /\pai ratio measured in NSD \pPb collisions at -1.365 $< y_{\mathrm{cms}}< $ 0.435 at \spPb from \hyperref[fig:EtaPi0RatioALICE]{Fig. \ref*{fig:EtaPi0RatioALICE}} Theoretical calculations are shown for the EPOS3 model with statistical errors shown as a band, hydrodynamic framework (VISHNU) using the iEBE-VISHNU code , DPMJET model and HIJING model . | ![](https://alice-publications.web.cern.ch/sites/default/files/papers/4156/EtaPi0Ratio_LogX_EPOS_TAPSv2-90324.png ) |