K_{eff}^{|eta|<3} (upper panel), PHOBOS Cu+Cu 200GeV 1-sigma/sigma_{0} K_{eff}^{|eta|<3} sys. error (+/-) ===================================================================== 0.550 2.97 0.10 / 0.08 0.650 2.89 0.11 / 0.09 0.750 2.72 0.11 / 0.08 0.850 2.47 0.10 / 0.08 0.950 2.22 0.11 / 0.09 K_{eff}^{|eta|<3} (upper panel), PHOBOS Au+Au 200GeV 1-sigma/sigma_{0} K_{eff}^{|eta|<3} sys. error (+/-) ===================================================================== 0.555 3.07 0.17 / 0.15 0.655 2.88 0.16 / 0.15 0.755 2.65 0.14 / 0.13 0.855 2.45 0.15 / 0.13 0.955 2.17 0.15 / 0.14 K_{eff}^{|eta|<3} (upper panel), AMPT Cu+Cu 200GeV 1-sigma/sigma_{0} K_{eff}^{|eta|<3} stat. error (+/-) ===================================================================== 0.550 2.66 0.02 / 0.02 0.650 2.56 0.02 / 0.02 0.750 2.31 0.02 / 0.02 0.850 2.23 0.02 / 0.02 0.950 2.03 0.02 / 0.02 K_{eff}^{|eta|<3} (upper panel), AMPT Au+Au 200GeV 1-sigma/sigma_{0} K_{eff}^{|eta|<3} stat. error (+/-) ===================================================================== 0.555 2.65 0.02 / 0.02 0.655 2.51 0.02 / 0.02 0.755 2.40 0.02 / 0.02 0.855 2.16 0.02 / 0.02 0.955 1.94 0.02 / 0.02 delta^{|eta|<3} (lower panel), PHOBOS Cu+Cu 200GeV 1-sigma/sigma_{0} delta^{|eta|<3} sys. error (+/-) ===================================================================== 0.550 0.87 0.07 / 0.04 0.650 0.88 0.07 / 0.04 0.750 0.86 0.07 / 0.04 0.850 0.83 0.07 / 0.04 0.950 0.79 0.07 / 0.05 delta^{|eta|<3} (lower panel), PHOBOS Au+Au 200GeV 1-sigma/sigma_{0} delta^{|eta|<3} sys. error (+/-) ===================================================================== 0.555 0.93 0.09 / 0.08 0.655 0.91 0.09 / 0.08 0.755 0.85 0.08 / 0.07 0.855 0.77 0.08 / 0.05 0.955 0.71 0.09 / 0.05 delta^{|eta|<3} (lower panel), AMPT Cu+Cu 200GeV 1-sigma/sigma_{0} delta^{|eta|<3} stat. error (+/-) ===================================================================== 0.550 0.86 0.01 / 0.01 0.650 0.86 0.01 / 0.01 0.750 0.87 0.01 / 0.01 0.850 0.89 0.01 / 0.01 0.950 0.88 0.01 / 0.01 delta^{|eta|<3} (lower panel), AMPT Au+Au 200GeV 1-sigma/sigma_{0} delta^{|eta|<3} stat. error (+/-) ===================================================================== 0.555 0.93 0.01 / 0.01 0.655 0.91 0.01 / 0.01 0.755 0.92 0.01 / 0.01 0.855 0.93 0.01 / 0.01 0.955 0.91 0.01 / 0.01