Difference between revisions of "Minutes-4-9-2015"

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== Gas puzzle ==
 
== Gas puzzle ==
  
- The CO2 sensor was moved last Friday to the Hall connected to the CDC (figure attached above). Beni changed the CO2 gas factor from 0.74 to 1.  
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- The CO2 sensor was moved last Friday to the Hall connected to the CDC (figure attached above). Beni changed the CO2 gas factor from 0.74 to 1 on Sunday: the CO2 percentage started going down. On Tuesday Beni changed the gas factor to 0.5 (just a guess) then CO2 started going up in the right direction.
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- Beni did several other tests: Ar gas factor set from 1.391 to 1 for a short period of time. Not clear yet what the problem is with the gas mixture.  
  
 
== CDC update ==
 
== CDC update ==
  
- Naomi found in run 2451, some of the pedestals are wobbling by 100+/-3 units on a scale of hours. Could be temperature variations, in any case it is small compared to the thresholds of ~60.  
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- There are many files collected with the   
  
 
== FDC update ==
 
== FDC update ==

Revision as of 17:40, 14 April 2015

April 9, 2015 FDC+CDC meeting

Connection

  1. Instructions for Bluejeans meeting connection
  2. FDC meeting ID: 290664653
  3. To join via a Web Browser, go to the page [1] https://bluejeans.com/290664653.

Agenda

  1. Gas puzzle
    • CO2 monitoring [2]
  2. CDC update (Beni, Mike)
  3. FDC update (Lubomir)
    • Alignment status [3]
  4. Electronics (Fernando, Cody, Chris, Nick)
  5. Engineering
  6. Other