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Checking Ohm's Law with TPC current

Updated on Thu, 2011-10-27 14:05. Originally created by yiguo on 2011-10-07 12:29.

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

Outer

inner

Distribution of anode current
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