Directed flow v1{ZDC-SMD} of charged particles as a function of (pseudo-rapidity - beam rapidity) for 30 - 60% Au+Au and Cu+Cu collisions at 200 GeV and 62.4 GeV.

Au+Au 200 GeV

eta - y_beam
v1{ZDC-SMD} (%)
-5.22
-0.043¡À0.013
-4.92
-0.113¡À0.013
-4.62
-0.200¡À0.013
-4.34
-0.357¡À0.015
-2.73
-1.542¡À0.073
-2.50
-1.661¡À0.022
-2.27
-1.867¡À0.025
-2.07
-2.100¡À0.026
-1.83
-2.455¡À0.024
-1.55
-2.764¡À0.035

Cu + Cu 200 GeV

eta - y_beam
v1{ZDC-SMD} (%)
-5.07
-0.071¡À0.025
-4.52
-0.229¡À0.028
-2.66
-1.271¡À0.094
-2.37
-1.626¡À0.046
-1.98
-2.148¡À0.051
-1.61
-2.772¡À0.070

Au + Au 62.4 GeV

eta - y_beam
v1{ZDC-SMD} (%)
-4.05
-0.120¡À0.048
-3.75
-0.337¡À0.048
-3.54
-0.651¡À0.048
-3.18
-0.903¡À0.062
-1.56
-3.234¡À0.270
-1.34
-3.917¡À0.092
-1.10
-4.646¡À0.109
-0.90
-5.246¡À0.119
-0.66
-5.740¡À0.113
-0.38
-6.062¡À0.168

Cu + Cu 62.4 GeV

eta - y_beam
v1{ZDC-SMD} (%)
-4.05
-0.228¡À0.217
-3.75
-0.396¡À0.220
-3.45
-0.483¡À0.219
-3.16
-1.111¡À0.261
-1.38
-3.874¡À0.365
-1.05
-5.616¡À0.446
-0.76
-6.019¡À0.496
-0.44
-7.781¡À0.610