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.
Discriminator thresholds: Trigger: 15 mv
PMT's: 60 mv
| Detector | Color | Signal cable labels | Count rate at -1700 V (Hz) | Difference | |
|---|---|---|---|---|---|
| Source in | Source out | ||||
| D30 | Red | D30T001 / D30B002 | 8.3 | 4.8 | 3.5 |
| D90 | Yellow | D90T003 / D90B004 | 2.4 | 0.6 | 1.8 |
| D150 | Blue | D150T005 / D150B006 | 3.7 | 1.67 | 2.0 |
| D225 | Wood | D225T007 / D225B008 | 0.8 | 0.4 | 0.4 |