Gain matching

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7/16/16

PMT top and bottom is in coincidence with a trigger placed 3" below the CF-252 source.

PMT pulses are widened to 500 ns in electronics in order to avoid double counting.


Discriminator thresholds:

Trigger: 35 mv

PMT's: 50 mv


Detector Count rate at -1700 V (Hz)
angle color
30 Red 0.85
90 Yellow 1.2
150 Blue 0.80
225 Wood 0.09


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