Difference between revisions of "20min run peak sensing histograms"

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| Date || CATH. Voltage (kV)|| <math>\Delta</math> V|| Shutter || source || run number || Notes
 
| Date || CATH. Voltage (kV)|| <math>\Delta</math> V|| Shutter || source || run number || Notes
 
|-
 
|-
−
|10/23|| 3.120 || || Open ||off || 7899|| [[File:CATH3.12_GEM2.87_7900c_7899.png |100px ]]
+
|10/23|| 2.870 || 0 || Open ||off || 7916|| 3h 45min[[File:CATH2.870_GEM2.87_7917c_7916.png |100px ]]
 
|-
 
|-
−
| 10/23||3.120 || || Closed || off || 7900||
+
| 10/23||2.870 ||0  || Closed || off || 7917|| 12h 12min
 
|-
 
|-
−
|10/23|| 3.245 || || Open ||off || 7904|| [[File:CATH3.245_GEM2.87_7905c_7904.png |100px ]]
+
|10/23|| 2.995 || 125|| Open ||off || 7912|| [[File:CATH2.995_GEM2.87_7913c_7912.png |100px ]]
 
|-
 
|-
−
| 10/23||3.245 || || Closed || off || 7905||
+
| 10/23||2.995 || 125|| Closed || off || 7913||
 
|-
 
|-
−
|10/23|| 3.370 || || Open ||off || 7908 (22')|| [[File:CATH3.370_GEM2.87_7909c_7908.png |100px ]]
+
|10/23|| 3.120 || 250 || Open ||off || 7899|| [[File:CATH3.12_GEM2.87_7900c_7899.png |100px ]]
 
|-
 
|-
−
| 10/23||3.370 || || Closed || off || 7909||
+
| 10/23||3.120 ||250 || Closed || off || 7900||
 
|-
 
|-
−
|10/23|| 2.995 || || Open ||off || 7912|| [[File:CATH2.995_GEM2.87_7913c_7912.png |100px ]]
+
|10/23|| 3.245 || 375|| Open ||off || 7904|| [[File:CATH3.245_GEM2.87_7905c_7904.png |100px ]]
 
|-
 
|-
−
| 10/23||2.995 || || Closed || off || 7913||
+
| 10/23||3.245 || 375|| Closed || off || 7905||
 
|-
 
|-
−
|10/23|| 2.870 || || Open ||off || 7916|| 3h 45min[[File:CATH2.870_GEM2.87_7917c_7916.png |100px ]]
+
|10/23|| 3.370 || 500|| Open ||off || 7908 (22')|| [[File:CATH3.370_GEM2.87_7909c_7908.png |100px ]]
 
|-
 
|-
−
| 10/23||2.870 |||| Closed || off || 7917|| 12h 12min
+
| 10/23||3.370 || 500 || Closed || off || 7909||
 
|}
 
|}
  

Revision as of 17:10, 24 October 2014

Cathode Voltage Effect on the Peak sensing Spectrum

All the measurements have the same GEM voltage 2.87 kV, just cathode voltage changes.


Date CATH. Voltage (kV) [math]\Delta[/math] V Shutter source run number Notes
10/23 2.870 0 Open off 7916 3h 45minCATH2.870 GEM2.87 7917c 7916.png
10/23 2.870 0 Closed off 7917 12h 12min
10/23 2.995 125 Open off 7912 CATH2.995 GEM2.87 7913c 7912.png
10/23 2.995 125 Closed off 7913
10/23 3.120 250 Open off 7899 CATH3.12 GEM2.87 7900c 7899.png
10/23 3.120 250 Closed off 7900
10/23 3.245 375 Open off 7904 CATH3.245 GEM2.87 7905c 7904.png
10/23 3.245 375 Closed off 7905
10/23 3.370 500 Open off 7908 (22') CATH3.370 GEM2.87 7909c 7908.png
10/23 3.370 500 Closed off 7909

GEM-2.87 kV CATH-3.435 kV

Date Shutter source run number Scaler counts (Hz) pedestal Integral in ADC full spectrum (Hz) Integral in ADC spectrum beyond pedestal (Hz) notes
10/16 Open off 7847 150+_7 1429/60 7915/60 5810/60
10/16 Closed off 7846 72+_3 1070/60 4029/60 2817/60
10/16 Open off 7848 137+_16 19 129 111 4runs 7848 62 63 64.png
10/16 Closed off 7862 53+_1 7 47 41
10 /16 Open On 7863 147+_12 30 129 101
10/16 Closed On 7864 67+_4 15 59 45
10/17 Open off 7865 132+_14 28 121 97 4runs 7865 66 68 67.png
10/17 Closed off 7866 95+_7 11 59 49
10 /17 Open On 7868 150+_6 32 128 100
10/17 Closed On 7867 74+_4 13 63 52
10/18 Open off 7872 136+_10 9 124 115 4runs 7872 71 69 70.png
10/18 Closed off 7871 51+_3 4 48 44
10 /18 Open On 7869 140+_10 10 123 115
10/18 Closed On 7870 53+_2 4 49 44
10/19 Open off 7873 124+_14 10 114 104 4runs 7873 74 76 75.png
10/19 Closed off 7874 59+_4 5 54 49
10 /19 Open On 7876 141+_8 10 117 108
10/19 Closed On 7875 60+_4 6 55 50
10/20 Open off 7879 129+_16 8 116 108 4runs 7879 80 82 81.png
10/20 Closed off 7880 49+_2 2 45 42
10 /20 Open On 7882 142+_3 8 108 99
10/20 Closed On 7881 53+_2 5 49 44


Test runs

Date Shutter source run number Notes
10/21 open off 7884 5 min separate pedestal from signal
10/20 Closed off 7885 5 min shows a difference.
10/22 open off 7891 5 min CATH 2930 V CATH2.93 GEM2.87.png
10/22 Closed off 7892 5 min CATH 2930 V


10/22 open off 7893 2 min CATH 3435 V CATH3.435 GEM2.87.png
10/22 Closed off 7894 2 min CATH 2435 V
10/23 open off 7898 5 min CATH 3435 V CATH3.435 GEM2.87 7897c 98.png low shutter close rate
10/23 Closed off 7897 5 min CATH 2435 V
10/23 open off 7902 min CATH 3435 V CATH3.435 GEM2.87 7901c 02.png
10/23 Closed off 7901 2 min CATH 2435 V
10/23 open off 7907 2 min CATH 3435 V CATH3.435 GEM2.87 7906c 07.png
10/23 Closed off 7906 2 min CATH 2435 V
10/23 open off 7911 2 min CATH 3435 V CATH3.435 GEM2.87 7910c 11.png
10/23 Closed off 7910 2 min CATH 2435 V
10/23 open off 7915 2 min CATH 3435 V CATH3.435 GEM2.87 7914c 15.png
10/23 Closed off 7914 2 min CATH 2435 V




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