[Halld-pid] Minutes, GlueX Time-of-Flight Meeting, July 21, 2011

[Mark M. Ito]

Folks,

Find the minutes at 
http://www.jlab.org/Hall-D/software/wiki/index.php/GlueX_TOF_Meeting%2C_July_21%2C_2011#Minutes 
and below.

   -- Mark

   ==

GlueX TOF Meeting, July 21, 2011
Minutes

    Present:
      * FSU: Paul Eugenio, Sasha Ostrovidov
      * JLab: Eugene Chudakov, Chuck Hutton, Mark Ito (chair), Simon
        Taylor, Beni Zihlmann


Construction

      * Ian Winger sent Chuck a 3-D drawing of the split light guides.
      * Paul will be busy with his DOE annual for the next week or so.
      * Three more light guides have been made from the UVT material.
           + These will be compared to non-UVT versions.
      * FSU Physics machine shop playing with procedure for fabrication.
           + They are getting good finishes with the new bit.
      * One light guide, was sent to Polymer Plastics for vapor polishing.
        It was due back this week.
      * Paul has talked to folks at Eljen about how they do polishing
           + Although vapor polishing will give good results, it is likely
             not better than hand polishing.
           + Paul purchased got some polishing compounds to try.
           + The Physics Department bought a new buffing station suitable
             for light guides.
      * No testing with the new light guides has been done yet.
      * Paul will send Chuck the dimenions of the steel tube.


Contract

    Paul prepared a version of the statement of work, but the text was
    lost. Mark volunteered to write a draft.

Time-Walk Correction Tests

    Sasha tried out the technique that Elton described in a [30]recent
    note. See [31]his plots for details. Cosmic data taken with prototype
    counters show some of the general features expected, but there is a
    non-Laudau distributed background in the sample that complicates the
    fits.

    Retrieved from
    
"http://www.jlab.org/Hall-D/software/wiki/index.php/GlueX_TOF_Meeting%2C_July_21%2C_2011"

References

   30. 
http://argus.phys.uregina.ca/cgi-bin/private/DocDB/ShowDocument?docid=1719
   31. http://hadron.physics.fsu.edu/~ostrov/tof/20110721/