Difference between revisions of "GEM Efficiency"

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(Created page with '===GEM Efficiency=== {| border="1" |cellpadding="20" cellspacing="0 |- | GEM <math>V_{Drift}</math> Voltage (Volts) || GEM Efficiency % |- | 3550 || 47.25 <math>\pm</math> 6.0...')
 
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===GEM Efficiency===
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===Qweak GEM High Voltage vs Efficiency===
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Experimental setup: Qweak GEM detector is sandwiched between the two Drift chambers and two scintillators.
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[[File:Detector stack 402.jpg|300px]]<br/>
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[[File:tam.jpg|300px]]
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{| border="1"  |cellpadding="20" cellspacing="0  
 
{| border="1"  |cellpadding="20" cellspacing="0  
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| 3575 || 95.25 <math>\pm</math> 3.45
 
| 3575 || 95.25 <math>\pm</math> 3.45
 
|}
 
|}
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====3500/3200====
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run number is 1365
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{| border="1"  |cellpadding="20" cellspacing="0
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|-
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|Channel # || Detector type|| TDC Histograms BottomScTDC>500 || TDC#/TDC2 <math>\times 100 %</math>
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|-
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| 2 || Bottom Scintillator || [[File:TDCBottomScintillator_3500.gif|200px]] || 100%
 +
|-
 +
| 4 || Top DC(Metalica) || [[File:TDCTopDC_3500.gif|200px]] || 16 %
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|-
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| 3 || Bottom DC(Plastika) || [[File:TDCBottomDC_3500.gif|200px]]  || 16 %
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|-
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| 5 || Qweak GEM Detector || [[File:TDCQweakGEMDetector_3500.gif|200px]] || 6 %
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|}<br>
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40% <math>\pm</math> 2%
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 +
====3550/3250====
 +
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*run number is 1366
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{| border="1"  |cellpadding="20" cellspacing="0
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|-
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|Channel # || Detector type|| TDC Histograms BottomScTDC>500  || TDC#/TDC2 <math>\times 100 %</math>
 +
|-
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| 2 || Bottom Scintillator || [[File:TDCBottomScintillator_3550.gif|200px]] || 100 %
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|-
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| 4 || Top DC(Metalica) || [[File:TDCTopDC_3550.gif|200px]] || 5 %
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|-
 +
| 3 || Bottom DC(Plastika) || [[File:TDCBottomDC_3550.gif|200px]] || 11 %
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|-
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| 5 || Qweak GEM Detector || [[File:TDCQweakGEMDetector_3550.gif|200px]] || 6 %
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|}<br>
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*run number 1377
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{| border="1"  |cellpadding="20" cellspacing="0
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|-
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|Channel # || Detector type|| TDC Histograms BottomScTDC>500  || TDC#/TDC2 <math>\times 100 %</math>
 +
|-
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| 2 || Bottom Scintillator || [[File:TDCBottomScintillator_3550_1.gif|200px]] || 100 %
 +
|-
 +
| 4 || Top DC(Metalica) || [[File:TDCTopDC_3550_1.gif|200px]] || 6 %
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|-
 +
| 3 || Bottom DC(Plastika) || [[File:TDCBottomDC_3550_1.gif|200px]] || 16 %
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|-
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| 5 || Qweak GEM Detector || [[File:TDCQweakGEMDetector_3550_1.gif|200px]] ||  10%
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|}<br>
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 +
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68% <math>\pm</math> 4%
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 +
====3555/3255====
 +
 +
*run number is 1373
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 +
{| border="1"  |cellpadding="20" cellspacing="0
 +
|-
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|Channel # || Detector type|| TDC Histograms BottomScTDC>500  || TDC#/TDC2 <math>\times 100 %</math>
 +
|-
 +
| 2 || Bottom Scintillator || [[File:TDCBottomScintillator_3555.gif|200px]] || 100 %
 +
|-
 +
| 4 || Top DC(Metalica) || [[File:TDCTopDC_3555.gif|200px]] || 6 %
 +
|-
 +
| 3 || Bottom DC(Plastika) || [[File:TDCBottomDC_3555.gif|200px]] || 14 %
 +
|-
 +
| 5 || Qweak GEM Detector || [[File:TDCQweakGEMDetector_3555.gif|200px]] || 10 %
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|}<br>
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 +
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*run number 1381 && 1382
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 +
{| border="1"  |cellpadding="20" cellspacing="0
 +
|-
 +
|Channel # || Detector type|| TDC Histograms BottomScTDC>500  || TDC#/TDC2 <math>\times 100 %</math>
 +
|-
 +
| 2 || Bottom Scintillator || [[File:TDCBottomScintillator_3555_1.gif|200px]] || 100 %
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|-
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| 4 || Top DC(Metalica) || [[File:TDCTopDC_3555_1.gif|200px]] ||  6.6%
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|-
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| 3 || Bottom DC(Plastika) || [[File:TDCBottomDC_3555_1.gif|200px]] || 15 %
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|-
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| 5 || Qweak GEM Detector || [[File:TDCQweakGEMDetector_3555_1.gif|200px]] || 10 %
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|}<br>
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 +
====3560/3260====
 +
 +
*run number is 1370
 +
 +
{| border="1"  |cellpadding="20" cellspacing="0
 +
|-
 +
|Channel # || Detector type|| TDC Histograms BottomScTDC>500  || TDC#/TDC2 <math>\times 100 %</math>
 +
|-
 +
| 2 || Bottom Scintillator || [[File:TDCBottomScintillator_3560.gif|200px]] || 100 %
 +
|-
 +
| 4 || Top DC(Metalica) || [[File:TDCTopDC_3560.gif|200px]] ||  6%
 +
|-
 +
| 3 || Bottom DC(Plastika) || [[File:TDCBottomDC_3560.gif|200px]] ||  14%
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|-
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| 5 || Qweak GEM Detector || [[File:TDCQweakGEMDetector_3560.gif|200px]] || 17 %
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|}<br>
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 +
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*run number is 1378
 +
 +
{| border="1"  |cellpadding="20" cellspacing="0
 +
|-
 +
|Channel # || Detector type|| TDC Histograms BottomScTDC>500  || TDC#/TDC2 <math>\times 100 %</math>
 +
|-
 +
| 2 || Bottom Scintillator || [[File:TDCBottomScintillator_3560_1.gif|200px]] || 100 %
 +
|-
 +
| 4 || Top DC(Metalica) || [[File:TDCTopDC_3560_1.gif|200px]] ||  7%
 +
|-
 +
| 3 || Bottom DC(Plastika) || [[File:TDCBottomDC_3560_1.gif|200px]] ||  16%
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|-
 +
| 5 || Qweak GEM Detector || [[File:TDCQweakGEMDetector_3560_1.gif|200px]] || 14 %
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|}<br>
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 +
====3575/3275====
 +
 +
*run number is 1369
 +
 +
{| border="1"  |cellpadding="20" cellspacing="0
 +
|-
 +
|Channel # || Detector type|| TDC Histograms BottomScTDC>500  || TDC#/TDC2 <math>\times 100 %</math>
 +
|-
 +
| 2 || Bottom Scintillator || [[File:TDCBottomScintillator_3575.gif|200px]] || 100 %
 +
|-
 +
| 4 || Top DC(Metalica) || [[File:TDCTopDC_3575.gif|200px]] || 4 %
 +
|-
 +
| 3 || Bottom DC(Plastika) || [[File:TDCBottomDC_3575.gif|200px]] || 15 %
 +
|-
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| 5 || Qweak GEM Detector || [[File:TDCQweakGEMDetector_3575.gif|200px]] || 17 %
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|}<br>
 +
 +
*run number 1379
 +
 +
{| border="1"  |cellpadding="20" cellspacing="0
 +
|-
 +
|Channel # || Detector type|| TDC Histograms BottomScTDC>500  || TDC#/TDC2 <math>\times 100 %</math>
 +
|-
 +
| 2 || Bottom Scintillator || [[File:TDCBottomScintillator_3575_1.gif|200px]] || 100 %
 +
|-
 +
| 4 || Top DC(Metalica) || [[File:TDCTopDC_3575_1.gif|200px]] || 5 %
 +
|-
 +
| 3 || Bottom DC(Plastika) || [[File:TDCBottomDC_3575_1.gif|200px]] ||  18 %
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|-
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| 5 || Qweak GEM Detector || [[File:TDCQweakGEMDetector_3575_1.gif|200px]] ||  20 %
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|}<br>

Revision as of 05:29, 18 August 2010

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 %


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