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Minutes of the June 12 TOF/Start-Counter Meeting



http://www.jlab.org/Hall-D/software/wiki/index.php/Time-of-Flight/Start-Counter_Meeting%2C_June_12%2C_2009#Minutes 
and attached as text.

Time-of-Flight/Start-Counter Meeting, June 12, 2009

Minutes

   FIU: Werner Boeglin
   FSU: Sasha Ostridov
   JLab: Mark Ito, Simon Taylor, Tim Whitlatch, Beni Zihlmann

Time-of-Flight Status

   Sasha reports that they have hired a student, Chuck Brandon, to work
   full time on measurements from the prototype. Again the immediate goals
   are:
    1. Repeat previous measurements with a constant fraction discriminator
    2. Use scalers to measure efficiency

   They are still gathering equipment for these tests.

Start Counter Status

   All of the main ingredients for testing this summer have arrived at
   FIU:
    1. fine-mesh pmt
    2. SiPM sample
    3. scintillator in various sizes
    4. full-scale light guide


Schedules

   Mark pointed out the location of schedules for both the TOF and the SC
   (they are linked from their respective detector wiki pages). These were
   derived from the official project schedules and put into Fastrack by
   Chuck Hutton. These are more templates at present; they are missing the
   planning steps needed for the near to intermediate future, before real
   procurement starts. We need to think about how to use this tool.

Action Items

    1. Tim will find a copy of Chuck's drawing of the target area to show
       us.
    2. Elliott will ship a flash ADC to FSU for their test set-up.
    3. FIU will study different geometries for the start counter.
    4. Sasha will look at the bugs in his single-pi HDGeant study which
       uses the time-of-flight.

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