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

Readout Map

STB

Sense (L1W2)

PostAmpOut (CH 1-96)

TDC channel

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