We discuss several observables measured by PHOBOS that show common scaling features in Cu+Cu and Au+Au collisions at RHIC energies. In particular, we examine the centrality and energy dependence of the charged particle multiplicity, as well a the centrality dependence of the elliptic flow at mid-rapidity. The discrepancy between Cu+Cu and Au+Au of the final state azimuthal asymmetry (elliptic flow), relative to the initial state geometry of the collision, can be resolved by accounting for fluctuations in the description of the initial geometry.
|Number of pages||4|
|State||Published - 2006|
|Event||41st Rencontres de Moriond on QCD and High Energy Hadronic Interactions 2006 - La Thuile, Italy|
Duration: 18 Mar 2006 → 25 Mar 2006
|Conference||41st Rencontres de Moriond on QCD and High Energy Hadronic Interactions 2006|
|Period||18/03/06 → 25/03/06|