Energy and centrality dependence of particle multiplicity in heavy ion collisions from $\sqrt{s_{{}_{NN}}}$ = 20 to 2760 GeV

Leo Zhou, George S. F. Stephans

The centrality dependence of midrapidity charged-particle multiplicities at a nucleon-nucleon center-of-mass energy of 2.76 TeV from CMS are compared to PHOBOS data at 200 and 19.6…