Difference between revisions of "GEM and Sci. data and measuurements"
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| Line 12: | Line 12: | ||
| Voltage (V) || Number of Counts (5min) | | Voltage (V) || Number of Counts (5min) | ||
|- | |- | ||
| − | | 0.3 || 9 , 16, | + | | 0.3 || 9 , 16, 26, 32, 46 |
| + | |||
| + | |} | ||
==Counting without a source (Background)== | ==Counting without a source (Background)== | ||
Revision as of 21:35, 8 May 2014
Counting Experiemnt
Discriminator setup for GEM and PMT's
The time period for counting 1 min.
- GEM (amplified 15)
| Voltage (V) | Number of Counts (5min) |
| 0.3 | 9 , 16, 26, 32, 46
|
Counting without a source (Background)
GEM and Sci. in coincidence (and gate), GEM oprating voltage is 2.7, 3.1V GEM and cathode successively, both of the PMT's has 1kV input voltage.
| Start Date | Time | End Date | Time | Duration (min.) | Number of Counts (cout./s) | Count Rate | Notes |
| 05/07/14 | 10:30 | 05/08/14 | 06:47 | 500 | 19392 | 0.65 | Overnight |
| 05/08/14 | 06:50 | 05/08/14 | 13:14 | 385 | 14540 | 0.63 | Daylight |