05/19/2011 n's detector threshold calibration source/(w/source)

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Revision as of 21:16, 19 May 2011 by Shaproma (talk | contribs)
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By Dr. Dale suggestions to make threshold adjusting of n's detectors according to [math](\mbox{RATE_{source}} - /\box{RATE_{source}})[/math] as function of threshold I did the following test.

Set up like that:

Detector1.png


The voltages, thresholds and widths are:

PMT voltage, V threshold, mV discr. width, ns
PS1 -1000 -100 50
PS1 -1000 -100 50
n's -1500 varying 10