March 17, 2010 Tracking CDC/FDC

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Revision as of 13:10, 17 March 2010 by Cmeyer (Talk | contribs) (Minutes)

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Meeting Time and Place

Irish-shamrock-3.jpg

Wednesday March 17, 2010 at 11:00am At Jefferson Lab, the meeting will be held in room F324-325

Connections

To connect from the outside, please use ESNET
1.) ESNET: 8542553
2.) Phone:
+1-800-377-8846 : US
+1-888-276-7715 : Canada
+1-302-709-8424 : International
then enter participant code: 77438230# (remember the "#")

Agenda

  1. Gas system follow-up
  2. FDC Update
  3. CDC Update
  4. CDC Straw discussion (cont).
    1. Inspection with an electron microscope (Original pictures from December 2009).
    2. Inspection with an electron microscope II (Pictures of Stone Kaptons straws, March 2010).
    3. Inspection with an optical microscope (Optical pictures of straws, March 2010).
  5. Plan for studies of the FDC beam hole size MC studies of the FDC beam hole size

Minutes

Present: C. Meyer and Y. Van Haarklem (CMU), E. CHudakov, E. Smith, B. Zihlmann, S. Taylor, D. Lawrence, M. Ito, L. Pentchev and T. Whitlatch (JLab)

Beni presented a fairly extensive update on the gas system based on the two diagrams above. The gas will be supplied via crates of tanks. For CO2, there appear to be 12 bottles per crate, while for A, there are 18 bottles per crate. For a given crate, there is one gas hook-up. This means that crates will be swapped out every 3-4 weeks. The system is set up to be able to check the Oxygen content at the output of each crate, and again at the exit of each chamber.

Both the FDC and CDC will have their own mixing system, which will be fed by the same gas crates.

The