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 The distance cut correction, $C_{\text{distance}}$, as a function of $\pt$ for positive (red) and negative (blue) tracks, respectively, in $\pbpb$ collisions (0-50% centrality).[png] [pdf]