Difference between revisions of "September 15, 2011"

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From the top start to count. The 25 um Al radiator will come first after 28 CCW turns and 10 um Al radiator will come second after 67 CCW turns.
 
From the top start to count. The 25 um Al radiator will come first after 28 CCW turns and 10 um Al radiator will come second after 67 CCW turns.
  
[[File:Radiator calibration 9.15.11.png | 400px]]
+
[[File:Radiator calibration 9.15.11.png ]]
  
  
 
==Upstream geometry measurements==
 
==Upstream geometry measurements==
  
[[File:Upstream measurement 9.15.11.png | 400px]]
+
[[File:Upstream measurement 9.15.11.png ]]
  
  
 
==Downstream geometry measurements==
 
==Downstream geometry measurements==

Revision as of 16:18, 16 September 2011

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The view flag was lost. So the vacuum was broken. During that time:

  • the radiator was reinstalled and recallibrated so we have now both 10um and 25 um of Al radiator.
  • The collimation system and target was more precisely realign.
  • The to left and right side 90 detectors was realign so now they are at the same level
  • the measurements of upstream and downstream geometry was made.


Radiator calibration

From the top start to count. The 25 um Al radiator will come first after 28 CCW turns and 10 um Al radiator will come second after 67 CCW turns.

Radiator calibration 9.15.11.png


Upstream geometry measurements

Upstream measurement 9.15.11.png


Downstream geometry measurements