Difference between revisions of "05/13/2011 coincidence test"

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The powers are:
+
The voltages and thresholds  are:
:▫ PS1 and PS2:  -1000 V (the old 2-channel TENNELEC TC952)
+
 
:▫ n's: -1500 V (the new 2-channel C.A.E.N N471)
+
{| border="1" cellspacing="0" style="text-align: center; width: 800px; height: 100px;"
 +
! scope="col" width="50" |
 +
! scope="col" width="50" | PMT voltage, V
 +
! scope="col" width="50" | threshold, mV
 +
|-
 +
!PS1
 +
|-1000||-100
 +
|-
 +
!PS2
 +
|-1000||-100
 +
|-
 +
!n's det
 +
|-1500||-200
 +
|}
 +
 
 +
 
 +
:▫ PS1 and PS2:  -1000 V
 +
:▫ n's: -1500 V
  
 
The thresholds are:
 
The thresholds are:

Revision as of 21:02, 13 May 2011

Go Back

Set up like that:

Detector1.png


The voltages and thresholds are:

PMT voltage, V threshold, mV
PS1
PS2
n's det


▫ PS1 and PS2: -1000 V
▫ n's: -1500 V

The thresholds are:

▫ PS1 and PS2: -80 mV
▫ n's: -200 mV


Let's do first the coincidence test PS1+PS2

counts time counts/sec
PS1
PS2
PS1+PS2