Difference between revisions of "Gain matching"
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| Line 18: | Line 18: | ||
| angle|| color|| Source in || Source out | | angle|| color|| Source in || Source out | ||
|- | |- | ||
| − | | 30 || Red || 0 || 0 || 0 | + | | 30 || Red || 0.85 || 0 || 0 |
|- | |- | ||
| − | | 90 || Yellow || | + | | 90 || Yellow || 1.2 || 0 || 0 |
|- | |- | ||
| 150 || Blue || 0 || 0 || 0 | | 150 || Blue || 0 || 0 || 0 | ||
Revision as of 02:30, 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: 35 mv
PMT's: 50 mv
| Detector | Count rate at -1700 V (Hz) | Difference | ||
|---|---|---|---|---|
| angle | color | Source in | Source out | |
| 30 | Red | 0.85 | 0 | 0 |
| 90 | Yellow | 1.2 | 0 | 0 |
| 150 | Blue | 0 | 0 | 0 |
| D225 | Wood | 0 | 0 | 0 |