Average transverse momentum $\mpt$ as a function of charged-particle multiplicity $\nch$ measured in pp (top panel), p-Pb (middle panel), and PbPb (lower panel) collisions in comparison to model calculations. The data are compared to calculations with the DPMJET, HIJING, AMPT, and EPOS Monte Carlo event generators. For pp collisions, calculations with PYTHIA 8 with tune 4C are shown with and without the color reconnection (CR) mechanism. The lines show calculations in a Glauber Monte Carlo approach (see text). | |