GEM2012
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23/05/2012
Cosmic single counts using 10X10 GEM detector.
| HV Settings | Threshold (mV) | Counts | Time (sec) | Rate (counts/sec) |
| -3350/-3050 | 30 | 161 | 179 | 0.899 |
| -3350/-3050 | 30 | 150 | 190 | 0.790 |
| -3350/-3050 | 30 | 357 | 440 | 0.811 |
| -3350/-3050 | 30 | 515 | 570 | 0.904 |
| -3380/-3080 | 30 | 119 | 122 | 0.975 |
| -3380/-3080 | 30 | 200 | 175 | 1.143 |
| -3380/-3080 | 30 | 145 | 150 | 0.967 |
| -3380/-3080 | 30 | 454 | 440 | 1.032 |
HV Distribution
| Foil | HV out(HVIn=1000) |
| 1(Top of the 1st GEM foil) | 980 |
| 2(Bottom of the 1st GEM foil) | 893 |
| 3(Top of the 2nd GEM foil) | 715 |
| 4(Bottom of the 2nd GEM foil) | 641 |
| 5(Top of the 3rd GEM foil) | 460 |
| 6(Bottom of the 3rd GEM foil) | 398 |