| Proton-proton inelastic cross section at $\sqrt{s} = 13\TeV$ in two phase space regions, where $\xi = M^2/s$, compared to different models and to the ATLAS result. The inner error bar on the CMS and ATLAS data points indicates the systematic uncertainty only, while the full error bar reflects the quadratic sum of systematic and integrated luminosity uncertainties. The horizontal placement of the points within each phase space bin is arbitrary. |