GEM Efficiency
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Qweak GEM High Voltage vs Efficiency
Experimental setup: Qweak GEM detector is sandwiched between the two Drift chambers and two scintillators.
GEM | Voltage (Volts)GEM Efficiency % |
3550 | 47.25 | 6.05
3555 | 60 | 4
3560 | 83 | 13
3575 | 95.25 | 3.45
3500/3200
run number is 1365
Channel # | Detector type | TDC Histograms BottomScTDC>500 | TDC#/TDC2 |
2 | Bottom Scintillator | ![]() |
100% |
4 | Top DC(Metalica) | ![]() |
16 % |
3 | Bottom DC(Plastika) | ![]() |
16 % |
5 | Qweak GEM Detector | ![]() |
6 % |
40% 2%
3550/3250
- run number is 1366
Channel # | Detector type | TDC Histograms BottomScTDC>500 | TDC#/TDC2 |
2 | Bottom Scintillator | ![]() |
100 % |
4 | Top DC(Metalica) | ![]() |
5 % |
3 | Bottom DC(Plastika) | ![]() |
11 % |
5 | Qweak GEM Detector | ![]() |
6 % |
- run number 1377
Channel # | Detector type | TDC Histograms BottomScTDC>500 | TDC#/TDC2 |
2 | Bottom Scintillator | ![]() |
100 % |
4 | Top DC(Metalica) | ![]() |
6 % |
3 | Bottom DC(Plastika) | ![]() |
16 % |
5 | Qweak GEM Detector | ![]() |
10% |
68% 4%
3555/3255
- run number is 1373
Channel # | Detector type | TDC Histograms BottomScTDC>500 | TDC#/TDC2 |
2 | Bottom Scintillator | ![]() |
100 % |
4 | Top DC(Metalica) | ![]() |
6 % |
3 | Bottom DC(Plastika) | ![]() |
14 % |
5 | Qweak GEM Detector | ![]() |
10 % |
- run number 1381 && 1382
Channel # | Detector type | TDC Histograms BottomScTDC>500 | TDC#/TDC2 |
2 | Bottom Scintillator | ![]() |
100 % |
4 | Top DC(Metalica) | ![]() |
6.6% |
3 | Bottom DC(Plastika) | ![]() |
15 % |
5 | Qweak GEM Detector | ![]() |
10 % |
3560/3260
- run number is 1370
Channel # | Detector type | TDC Histograms BottomScTDC>500 | TDC#/TDC2 |
2 | Bottom Scintillator | ![]() |
100 % |
4 | Top DC(Metalica) | ![]() |
6% |
3 | Bottom DC(Plastika) | ![]() |
14% |
5 | Qweak GEM Detector | ![]() |
17 % |
- run number is 1378
Channel # | Detector type | TDC Histograms BottomScTDC>500 | TDC#/TDC2 |
2 | Bottom Scintillator | ![]() |
100 % |
4 | Top DC(Metalica) | ![]() |
7% |
3 | Bottom DC(Plastika) | ![]() |
16% |
5 | Qweak GEM Detector | ![]() |
14 % |
3575/3275
- run number is 1369
Channel # | Detector type | TDC Histograms BottomScTDC>500 | TDC#/TDC2 |
2 | Bottom Scintillator | ![]() |
100 % |
4 | Top DC(Metalica) | ![]() |
4 % |
3 | Bottom DC(Plastika) | ![]() |
15 % |
5 | Qweak GEM Detector | ![]() |
17 % |
- run number 1379
Channel # | Detector type | TDC Histograms BottomScTDC>500 | TDC#/TDC2 |
2 | Bottom Scintillator | ![]() |
100 % |
4 | Top DC(Metalica) | ![]() |
5 % |
3 | Bottom DC(Plastika) | ![]() |
18 % |
5 | Qweak GEM Detector | ![]() |
20 % |