CLAS12 R1 S1 QA

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HV burn in

File:High Voltage Region 1 Sector 1 data.xls

Measured Sense wire output

CLAS12_R1_S1_QA_wireOut


Link to pictures on DAQ machine

Cosmic measurements

Run # Date Description
3806 1/10/13 3 hour cosmic run, 16 channels with leading edge discriminators (-80 mV, 100 ns pulse width)
3807 1/10/13

Readout Map

Wire PostAmpOut (CH 1-96) TDC Channel
L W
5 1 1 1
3 1 2 2
1 1 3 3
6 1 4 4
4 1 5 5
2 1 6 6
5 2 7 7
3 2 8 8
1 2 9 9
6 2 10 10
4 2 11 11
2 2 12 12
5 3 13 13
3 3 14 14
1 3 15 15
6 3 16 16
4 3 17 17
2 3 18 18
5 4 19 19
3 4 20 20
1 4 21 21
6 4 22 22
4 4 23 23
2 4 24 24
5 5 25 25
3 5 26 26
1 5 27 27
6 5 28 28
4 5 29 29
2 5 30 30
5 6 31 31
3 6 32 32
1 6 33 33
6 6 34 34
4 6 35 35
2 6 36 36
5 7 37 37
3 7 38 38
1 7 39 39
6 7 40 40
4 7 41 41
2 7 42 42
5 8 43 43
3 8 44 44
1 8 45 45
6 8 46 46
4 8 47 47
2 8 48 48
5 9 49 49
3 9 50 50
1 9 51 51
6 9 52 52
4 9 53 53
2 9 54 54
5 10 55 55
3 10 56 56
1 10 57 57
6 10 58 58
4 10 59 59
2 10 60 60
5 11 61 61
3 11 62 62
1 11 63 63
6 11 64 64
4 11 65 65
2 11 66 66
5 12 67 67
3 12 68 68
1 12 69 69
6 12 70 70
4 12 71 71
2 12 72 72
5 13 73 73
3 13 74 74
1 13 75 75
6 13 76 76
4 13 77 77
2 13 78 78
5 14 79 79
3 14 80 80
1 14 81 81
6 14 82 82
4 14 83 83
2 14 84 84
5 15 85 85
3 15 86 86
1 15 87 87
6 15 88 88
4 15 89 89
2 15 90 90
5 16 91 91
3 16 92 92
1 16 93 93
6 16 94 94
4 16 95 95
2 16 96 96

Measurements with source

4/20/12 1hour counts:

SL2 HVB1 Column 18 Row 5

-With source 14459 pulses/1502 sec


4/23/12 SL1 HVB7 column 203 row 4

-With source 50681 pulses/3760 sec.


4/25/12 1 hour counts:

SL2 HVB4 Column 118 row 5

- Without source: 33145 pulses/3610 Sec.

- With source(CS-137):38262 pulses/3600 Sec.

- Without source: 37548 pulses/3715 Sec.

Preamp voltage:5V

Background measurements

HV off 4/5/12 Background counts:

27 pulses/61806 Sec.

SL2 Column 132 row 2

Preamp voltage 6.3V

Discriminator threshold 46mV


Preamp on= 6.3

4/9/12: Back ground count measurements

4531 counts/69564 seconds

2044 counts/24620 seconds


4/10/12 Background counts:

3 pulses/ 74500 sec.

SL1 HVB7 Column 196 Row 2

Preamp voltage 6.3 V

Discriminator threshold 46mV


4/16/12 Background counts:

280 pulses/245850 sec

SL1 HVB7 column 226 row 2

preamp voltage 5V

Discriminator threshold 46mV


4/17/12 Background counts:

6 pulses/62407 sec

SL2 HVB7 column 226 row 8

preamp voltage 5V

discriminator threshold 46mV


4/20/12 Background counts:

63 pulses/ 71724 Sec.

SL1 HVB7 column 226 row 8

Preamp voltage 5V

Discriminator threshold 46mV


4/23/12 Background counts:

41078 pulse/ 245104 sec.

SL1 HVB7 Column 203 Row 4

Preamp voltage 5V

Discriminator threshold 46mV

Cosmic measurements

4/24/12 Cosmic count:

SL1 HVB1 Column 3 Row 10

14534 pulses/11547 sec.

Preamp voltage 5V


4/26/12 Overnight Cosmic pulse count:

SL2 HVB4 Column 118 Row 5

53122 pulses/49793 Sec.

Preamp voltage 5V



CLAS12_R1