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


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