December 3, 2018 DIRC

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Meeting Information

GlueX DIRC Meeting
Monday December 3, 2018
1:00 pm, EDT
JLab room A110

Connection Using Bluejeans

  1. To join via Polycom room system go to the IP Address: 199.48.152.152 (bjn.vc) and enter the meeting ID: 846453895.
  2. To join via a Web Browser, go to the page [1] https://bluejeans.com/846453895 .
  3. To join via phone, use one of the following numbers and the Conference ID: 846453895
    • US or Canada: +1 408 740 7256 or
    • US or Canada: +1 888 240 2560
  4. More information on connecting to bluejeans is available.

Agenda

  1. Announcements
    • All components need to be at JLab and tested by end of December, in preparation for January install
  2. Optical box
    • Fabrication status update (Ernie and Jason)
      • Box window flange modification at Lesker (Ernie/Tim)
        • Lower (beam right) box at JLab and depth measurements to be taken today.
        • Upper (beam left) box arrived at JLab on Friday.
      • LED fiber feedthroughs and diffuser
        • ThorLab diffuser and fiber coupling tests (Bill)
        • Diffuser location and projected angles (Stephanie)
      • Dark box enclosure: fabrication, testing, and delivery to JLab (Jason)
      • Quartz window RTV after measurement of lower box at JLab. Delivery schedule? (Ernie)
    • Testing at JLab
      • Laser alignment test in ESB: starts this week (Bill)
  3. PMT fit results (Andrew)
  4. Software/simulations
    • Finalizing DIRC "as-built" geometry: bar box internals, etc. (Yunjie)
    • LED generator and timing calibration (Yunjie)
    • Time-based studies and adding # photons to LUT likelihood (Maria)
    • Alignment updates (Cris)
    • Software overview and tasks (All)
  5. Addressing ERR review recommendations
    • Recommendations pertaining to DIRC commissioning should be addressed before installation.
  6. AOB