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 voltages and | + | A series of triggered CF-252 runs are conducted at various detector PMT high voltages and discriminator thresholds. A TDC spectrum is acquired using daq2 so that a neutron cut can be applied. These data provides us with a relationship between neutron detection rate and PMT HV/threshold. |
==results== | ==results== |
Revision as of 21:44, 19 August 2016
Overview
A series of triggered CF-252 runs are conducted at various detector PMT high voltages and discriminator thresholds. A TDC spectrum is acquired using daq2 so that a neutron cut can be applied. These data provides us with a relationship between neutron detection rate and PMT HV/threshold.
results
Detector | 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 | ? | ?? | |||
D30 | ? | ?? | r5250 | 40 | |
D90 | ? | ?? | |||
D150 | ? | ?? | |||
D225 | ? | ?? |