Difference between revisions of "CLAS12 R1 S1 QA"

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Line 12: Line 12:
  
 
HV off
 
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
 
Preamp on= 6.3
  
4/7/12: Back ground count measurements
+
4/9/12: Back ground count measurements
  
 
4531 counts/69564 seconds
 
4531 counts/69564 seconds
Line 22: Line 33:
  
  
Preamp=5.0V
+
 
 +
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==
 
==Cosmic measurements==

Revision as of 15:05, 25 April 2012

HV burn in

File:High Voltage Region 1 Sector 1 data.xls

Measured Sense wire output

Link to pictures on DAQ machine

Measurements with source

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

CLAS12_R1