Related paper Underlying Event measurements in pp collisions at $\sqrt{s}$ = 0.9 and 7 TeV with the ALICE experiment at the LHC Contamination correction: correction factor vs. track $\pT$ (left, $|\eta|< 0.8$) and $\eta$ (right, $\pT > \unit[0.5]{\gmom}$) from a \textsc{Pythia} 6.4 and \textsc{Geant3} simulation.[png] [pdf] [eps][png] [pdf] [eps]