CLAS12 R1 S1 QA

HV burn in

File:High Voltage Region 1 Sector 1 data.xls

Measured Sense wire output

CLAS12_R1_S1_QA_wireOut

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)
3809	1/10/13	cosmic run on 1/10. Signal cable 4 (ch. 48-63). 16 channels with leading edge discriminators (-80 mV, 100 ns pulse width).
3810	1/10/13	cosmic run on 1/10. Signal cable 4 (ch. 48-63). 16 channels with leading edge discriminators (-80 mV, 100 ns pulse width). Scintillator paddle F1/F2 on table above Sector 1, paddle I1/I2 below.

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