March 5, 2019 DIRC

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Meeting Information

GlueX DIRC Meeting
Tuesday March 5, 2019
1:00 pm, EDT
JLab F326

Connection Using Bluejeans

  1. To join via Polycom room system go to the IP Address: ( and enter the meeting ID: 846453895.
  2. To join via a Web Browser, go to the page [1] .
  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.


  1. Announcements
  2. Summer installation planning:
    • Window for upper box being polished and frame order has been submitted
    • Plans for tests with LED fibers and canullas (Bill/Fernando ) 2
    • Plans for making bar boxes light tight (All)
  3. Spring 2019 DIRC Commissioning (All)
    • Status of REST file processing (dirc_monitoring/ver08)
    • LED data analysis and comparison to laser test stand data (Bill/Andrew)
    • List of beam/detector conditions and studies planned
    • Plans for timing calibrations, etc. before next reconstruction pass over data
  4. Software/simulations
    • Implementing realistic efficiency/time resolution in MC (Justin)
    • Finalizing DIRC "as-built" geometry: JT model from survey/alignment (Yunjie/Stephanie)
    • Adding # photons to LUT likelihood - N pho raw (Maria)
    • Alignment updates (Cris)
    • Requests for simulations: what samples, how much statistics, etc.?
  5. Software overview and tasks (All)
  6. AOB