Difference between revisions of "Threshold & HV study"

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==Overview==
 
==Overview==
A series of triggered CF-252 runs are conducted at various detector PMT high voltage and threshold.
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A series of triggered CF-252 runs are conducted at various detector PMT high voltages and discriminator thresholds. The TDC spectrum is  acquired with daq2 and a neutron cut is applied to give a relationship between neutron detection rate and PMT HV/threshold.
  
 
==results==
 
==results==

Revision as of 21:36, 19 August 2016

Overview

A series of triggered CF-252 runs are conducted at various detector PMT high voltages and discriminator thresholds. The TDC spectrum is acquired with daq2 and a neutron cut is applied to give a relationship between neutron detection rate and PMT HV/threshold.

results

Detector [math]n_{0}[/math] rate noise run # PMT
threshold
HV
D30 ? ?? r5242 25 1700
D90 ? ??
D150 ? ??
D225 ? ??
D30 ? ?? r5239 30
D90 ? ??
D150 ? ??
D225 ? ??
D30 ? ?? r5240 35
D90 ? ??
D150 ? ??
D225 ? ??
D30 ? ?? r5241 40
D90 ? ??
D150 ? ??
D225 ? ??
D30 ? ?? r5243 25 1650
D90 ? ??
D150 ? ??
D225 ? ??
D30 ? ?? r5244 30
D90 ? ??
D150 ? ??
D225 ? ??
D30 ? ?? r5245 35
D90 ? ??
D150 ? ??
D225 ? ??
D30 ? ?? r5246 40
D90 ? ??
D150 ? ??
D225 ? ??
D30 ? ?? r5247 25 1600
D90 ? ??
D150 ? ??
D225 ? ??
D30 ? ?? r5248 30
D90 ? ??
D150 ? ??
D225 ? ??
D30 ? ?? r5249 35
D90 ? ??
D150 ? ??
D225 ? ??