Related paper Centrality dependence of the nuclear modification factor of charged pions, kaons, and protons in Pb-Pb collisions at $\sqrt{s_{\rm NN}}=2.76$ TeV Cherenkov angle measured in the HMPID as a function of the momentum $p$ in 0-10% central $\pbpb$ collisions. The solid lines represent the theoretical curves for each particle species. The $z$-axis indicated by the color scale is logarithmic.[png] [pdf]