Checking Ohm's Law with TPC current

We checked Ohm's law with TPC average currents in RunXI AuAu200GeV RFF dEdx calibration sample and it gives

a clean linear dependence for out and inner sectors respectively (shown as the two graphs below).

Out Sectors

Inner Sectors

The original 2D distributions:

scatter plot before get mean of dEdx



Distribution of anode current