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research:memos:gr:gr_trouble_shooting [2017/12/04 09:38] – 作成 kobayashresearch:memos:gr:gr_trouble_shooting [2017/12/05 03:19] (現在) kobayash
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 ===== GR trouble shooting ===== ===== GR trouble shooting =====
-  * TDC1L is missing --> definition of the analyzer 
-  * ADC LR correlation  
- 
- 
  
  
 +  * TDC1L is missing --> definition of the analyzer
 +  * ADC LR correlation
 +  * HV module doesn't accept the change of voltage <-- connection of the cable was not good
 +  * Plastic scintillators' signals are not good.
 +    * --> Spark? each signals of shape and counts should be checked
 +    * --> If the signals are strange, take data with DAQ. The trigger may be changed
 +    * --> Trigger should be made by three plastics
  
 +==== Beam doesn't come ====
 +  * When we change the GR angle from 8.5 degree to 0 degree in order to tune dispersion matching mode, the beam did not come.
 +    * --> Scattering chamber Faraday Cup is in the path of the beam.
  
research/memos/gr/gr_trouble_shooting.1512347928.txt.gz · 最終更新: 2017/12/04 09:38 by kobayash
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