Difference between revisions of "05/19/2011 n's detector threshold calibration source/(w/source)"

From New IAC Wiki
Jump to navigation Jump to search
Line 2: Line 2:
  
  
By Dr. Dale suggestions to make threshold adjusting of n's detectors by looking on difference of count rate with and without source as function of threshold I did the following test.
+
By Dr. Dale suggestions I did the threshold measurements by looking on difference of count rate with and without source as function of threshold:
 
 
Set up like that:
 
 
 
[[File:Detector1.png | 400px]]
 
 
 
 
 
The voltages, thresholds and widths  are:
 
{| 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
 
! scope="col" width="50" | discr. width, ns
 
|-
 
!PS1
 
| -1000|| -100|| 50
 
|-
 
!PS1
 
| -1000|| -100|| 50
 
|-
 
!n's
 
| -1500|| varying||  10
 
|}
 
 
 
 
 
T
 

Revision as of 21:24, 19 May 2011

Go Back


By Dr. Dale suggestions I did the threshold measurements by looking on difference of count rate with and without source as function of threshold: