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

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First I did my calibration for power supply voltage -1250 V:
 
First I did my calibration for power supply voltage -1250 V:
  
−
[[File:Det1 calibraton source 1250V.png | 1000 px]]
+
[[File:Det1 calibraton source 1250V.png | 600 px]] [[File:Det1 calibraton source 1250V log.png | 600 px]]
  
  
 
Second I did my calibration for power supply voltage -1500 V:
 
Second I did my calibration for power supply voltage -1500 V:
  
−
[[File:Det1 calibraton source 1500V.png | 1000 px]]
+
[[File:Det1 calibraton source 1500V.png | 600 px]] [[File:Det1 calibraton source 1500V log.png | 600 px]]
  
  
 
And bellow I overplay both cases (-1250 V and -1500 V)
 
And bellow I overplay both cases (-1250 V and -1500 V)
  
−
[[File:Det1 calibraton source 1250 1500.png | 1000 px]]
+
[[File:Det1 calibraton source 1250 1500.png | 600 px]] [[File:Det1 calibraton source 1250 1500 log.png | 600 px]]

Revision as of 04:33, 20 May 2011

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Below are my counts rate measurements as function of threshold voltage for n's detector. The source was CF252. The distance between source and n's PMT was about 50 cm. The counts rate was calculated as: 

[math]\mbox{Rate} = \frac{N_{\mbox{source}} - N_{\mbox{w/source}}}{\mbox{Time}}[/math]


First I did my calibration for power supply voltage -1250 V:

Det1 calibraton source 1250V.png 600 px


Second I did my calibration for power supply voltage -1500 V:

Det1 calibraton source 1500V.png 600 px


And bellow I overplay both cases (-1250 V and -1500 V)

Det1 calibraton source 1250 1500.png Det1 calibraton source 1250 1500 log.png

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