Difference between revisions of "Gain matching"
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Line 24: | Line 24: | ||
| 150 || Blue || 3.7 || 1.67 || 2.0 | | 150 || Blue || 3.7 || 1.67 || 2.0 | ||
|- | |- | ||
− | | D225 || Wood || | + | | D225 || Wood || 1.2 || 0.4 || 0.6 |
|- | |- | ||
|} | |} |
Revision as of 01:51, 17 August 2016
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: 15 mv
PMT's: 60 mv
Detector | Count rate at -1700 V (Hz) | Difference | ||
---|---|---|---|---|
angle | color | Source in | Source out | |
30 | Red | 8.3 | 4.8 | 3.5 |
90 | Yellow | 2.4 | 0.6 | 1.8 |
150 | Blue | 3.7 | 1.67 | 2.0 |
D225 | Wood | 1.2 | 0.4 | 0.6 |