December 7, 2020 DIRC

Meeting Information

GlueX DIRC Meeting
Monday December 7, 2020
1:00 pm, ET
Remote only

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.
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Agenda

1. Announcements
2. South OB mirror box removal and evaluation (Bill, All)
   • UV dye test Friday and Monday (Bill)
   • Reflectivity setup (Bill)
   • One mirror (bottom plate) removed from the strong back, similar challenge to remove as previous attempts
3. Mirror prototype test plan (All)
   • Discussion of assembled prototypes
     • Liquid glass pieces
     • Silicone mold to form thin epoxy layer
     • Epotek to be shipped this week
   • Other thoughts or suggestions?
4. Diffuser sealing update (Bill)
5. DIRC commissioning analyses and 2020 studies (All)
   • Spring 2020 data production status (Justin)
   • Geometric reconstruction update (Ahmed/Roman)
     • Update on shift of the time difference
   • FastDIRC update (Yunjie)
6. Follow-up on additional action items from workfest (All)
   • 100M event MC samples required for ρ and φ data/MC comparisons:
     • /volatile/halld/home/gxproj7/RunPeriod-2019-11/dircsim-2019_11-ver02/analysis/hd_root_gen_2pi_pass00.root
     • /volatile/halld/home/gxproj7/RunPeriod-2019-11/dircsim-2019_11-ver02/analysis/hd_root_gen_2k_pass00.root
7. AOB