Difference between revisions of "Gain matching"

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==7/16/16==
+
[[2nCor Equipment#2016-2017 IAC run on the 44 machine | Go back]]
PMT top and bottom is in coincidence with trigger placed "" below the CF-252 source.
 
PMT pulses are widened to 500 ns.
 
Trigger threshold is 15
 
PMT thresholds are 60
 
  
 +
==7/17/16==
 +
Information about the run setup can be seen  [[Signal cable timing|here]]  (thresholds, source positioning, ect).
  
 +
Each PMT was individually placed in coincidence with a trigger at the center of the room. High voltage was then adjusted on each PMT until all rates were equal.
  
 
{| border="1" style="text-align: center"
 
{| border="1" style="text-align: center"
! rowspan="2"|Detector ||rowspan="2"|Color || rowspan="2"| Signal cable labels || colspan="2"| Count rate at -1700 V (Hz) || rowspan="2"|Difference
+
! colspan="2"|Detector
 +
! rowspan="2" | PMT
 +
! rowspan="2"| High voltage
 
|-
 
|-
| Source in || Source out
+
| angle|| color
 
|-
 
|-
| D30 || Red || D30T001 / D30B002|| 8.3  ||  4.8 || 3.5
+
 
 +
| rowspan="2" | 30  
 +
| rowspan="2" | Red  
 +
|Top 
 +
| -1424
 
|-
 
|-
| D90  || Yellow || D90T003 / D90B004|| 2.4 || 0.6 || 1.8
+
|Bot
 +
| -1458
 
|-
 
|-
| D150 || Blue || D150T005 / D150B006|| 3.7
+
 
 +
| rowspan="2" | 90  
 +
| rowspan="2" | Yellow
 +
|Top 
 +
| -1690
 
|-
 
|-
| D225  || Wood || D225T007 / D225B008|| 0.8
+
|Bot
 +
| -1597
 
|-
 
|-
 +
 +
| rowspan="2" | 150 
 +
| rowspan="2" | Blue
 +
|Top 
 +
| -1553
 +
|-
 +
|Bot
 +
| -1595
 +
|-
 +
 +
| rowspan="2" | 225 
 +
| rowspan="2" | wood
 +
|Top 
 +
| -1700
 +
|-
 +
|Bot
 +
| -1678
 
|}
 
|}
 +
 +
 +
[[2nCor Equipment#2016-2017 IAC run on the 44 machine | Go back]]

Latest revision as of 07:15, 18 August 2016

Go back

7/17/16

Information about the run setup can be seen here (thresholds, source positioning, ect).

Each PMT was individually placed in coincidence with a trigger at the center of the room. High voltage was then adjusted on each PMT until all rates were equal.

Detector PMT High voltage
angle color
30 Red Top -1424
Bot -1458
90 Yellow Top -1690
Bot -1597
150 Blue Top -1553
Bot -1595
225 wood Top -1700
Bot -1678


Go back