GEM Efficiency

From New IAC Wiki
Jump to navigation Jump to search

Qweak GEM High Voltage vs Efficiency

Experimental setup: Qweak GEM detector is sandwiched between the two Drift chambers and two scintillators.

Detector stack 402.jpg


Tam.jpg


GEM [math]V_{Drift}[/math] Voltage (Volts) GEM Efficiency %
3550 47.25 [math]\pm[/math] 6.05
3555 60 [math]\pm[/math] 4
3560 83 [math]\pm[/math] 13
3575 95.25 [math]\pm[/math] 3.45


3500/3200

run number is 1365

Channel # Detector type TDC Histograms BottomScTDC>500 TDC#/TDC2 [math]\times 100 %[/math]
2 Bottom Scintillator TDCBottomScintillator 3500.gif 100%
4 Top DC(Metalica) TDCTopDC 3500.gif 16 %
3 Bottom DC(Plastika) TDCBottomDC 3500.gif 16 %
5 Qweak GEM Detector TDCQweakGEMDetector 3500.gif 6 %



40% [math]\pm[/math] 2%

3550/3250

  • run number is 1366
Channel # Detector type TDC Histograms BottomScTDC>500 TDC#/TDC2 [math]\times 100 %[/math]
2 Bottom Scintillator TDCBottomScintillator 3550.gif 100 %
4 Top DC(Metalica) TDCTopDC 3550.gif 5 %
3 Bottom DC(Plastika) TDCBottomDC 3550.gif 11 %
5 Qweak GEM Detector TDCQweakGEMDetector 3550.gif 6 %



  • run number 1377
Channel # Detector type TDC Histograms BottomScTDC>500 TDC#/TDC2 [math]\times 100 %[/math]
2 Bottom Scintillator TDCBottomScintillator 3550 1.gif 100 %
4 Top DC(Metalica) TDCTopDC 3550 1.gif 6 %
3 Bottom DC(Plastika) TDCBottomDC 3550 1.gif 16 %
5 Qweak GEM Detector TDCQweakGEMDetector 3550 1.gif 10%



68% [math]\pm[/math] 4%

3555/3255

  • run number is 1373
Channel # Detector type TDC Histograms BottomScTDC>500 TDC#/TDC2 [math]\times 100 %[/math]
2 Bottom Scintillator TDCBottomScintillator 3555.gif 100 %
4 Top DC(Metalica) TDCTopDC 3555.gif 6 %
3 Bottom DC(Plastika) TDCBottomDC 3555.gif 14 %
5 Qweak GEM Detector TDCQweakGEMDetector 3555.gif 10 %



  • run number 1381 && 1382
Channel # Detector type TDC Histograms BottomScTDC>500 TDC#/TDC2 [math]\times 100 %[/math]
2 Bottom Scintillator TDCBottomScintillator 3555 1.gif 100 %
4 Top DC(Metalica) TDCTopDC 3555 1.gif 6.6%
3 Bottom DC(Plastika) TDCBottomDC 3555 1.gif 15 %
5 Qweak GEM Detector TDCQweakGEMDetector 3555 1.gif 10 %


3560/3260

  • run number is 1370
Channel # Detector type TDC Histograms BottomScTDC>500 TDC#/TDC2 [math]\times 100 %[/math]
2 Bottom Scintillator TDCBottomScintillator 3560.gif 100 %
4 Top DC(Metalica) TDCTopDC 3560.gif 6%
3 Bottom DC(Plastika) TDCBottomDC 3560.gif 14%
5 Qweak GEM Detector TDCQweakGEMDetector 3560.gif 17 %



  • run number is 1378
Channel # Detector type TDC Histograms BottomScTDC>500 TDC#/TDC2 [math]\times 100 %[/math]
2 Bottom Scintillator TDCBottomScintillator 3560 1.gif 100 %
4 Top DC(Metalica) TDCTopDC 3560 1.gif 7%
3 Bottom DC(Plastika) TDCBottomDC 3560 1.gif 16%
5 Qweak GEM Detector TDCQweakGEMDetector 3560 1.gif 14 %


3575/3275

  • run number is 1369
Channel # Detector type TDC Histograms BottomScTDC>500 TDC#/TDC2 [math]\times 100 %[/math]
2 Bottom Scintillator TDCBottomScintillator 3575.gif 100 %
4 Top DC(Metalica) TDCTopDC 3575.gif 4 %
3 Bottom DC(Plastika) TDCBottomDC 3575.gif 15 %
5 Qweak GEM Detector TDCQweakGEMDetector 3575.gif 17 %


  • run number 1379
Channel # Detector type TDC Histograms BottomScTDC>500 TDC#/TDC2 [math]\times 100 %[/math]
2 Bottom Scintillator TDCBottomScintillator 3575 1.gif 100 %
4 Top DC(Metalica) TDCTopDC 3575 1.gif 5 %
3 Bottom DC(Plastika) TDCBottomDC 3575 1.gif 18 %
5 Qweak GEM Detector TDCQweakGEMDetector 3575 1.gif 20 %