Cathode drift potential and count rate runs for 2.97kV GEM

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01/11/15

Date CATH. Voltage (kV) [math]\Delta[/math] V Shutter source run number Notes
1/11 3.67 700 Open off 8487 CATH3.67 GEM2.97 8488c 8487.png
1/11 3.67 700 Closed off 8488
1/11 3.77 800 Open off 8491 CATH3.1 GEM2.9 8490c 8491.png
1/11 3.77 800 Closed off 8490
1/11 3.87 900 Open off 8492 5' 34" CATH3.87 GEM2.97 8493c 8492.png
1/11 3.87 900 Closed off 8493
1/11 3.97 1k Open off 8495,96 CATH3.97 GEM2.97 8494c 8495.pngCATH3.97 GEM2.97 8497c 8496.png
1/11 3.97 1k Closed off 8494,97
1/11 3.97 1k Open on 8499 100px
1/11 3.97 1k Closed on 8498
1/11 4.07 1.1k Open off 8501 filter amp decreased to from 4x to2x 100px
1/11 4.07 1.1k Closed off 8502
1/11 4.07 1.1k Open on 8504 very low rate 100px
1/11 4.07 1.1k Closed on 8503 very low rate
1/11 4.07 1.1k Open on 8506 GEM decreased from 2.97 to 2.87 kV the rate increased CATH4.07 GEM2.97 8507c 8506.png
1/11 4.07 1.1k Closed on 8507 GEM decreased from 2.97 to 2.87 kV
1/11 4.07 1.1k Open off 8509 GEM decreased from 2.97 to 2.87 kV the rate increased CATH4.07 GEM2.97 8508c 8509.png
1/11 4.07 1.1k Closed off 8508 GEM decreased from 2.97 to 2.87 kV
1/11 4.07 1.1k Open off 8510 GEM decreased from 2.87 to 2.77 kV the rate increased 100px
1/11 4.07 1.1k Closed off 8511 GEM decreased from 2.87 to 2.77 kV



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