November 9, 2020 DIRC

Meeting Information

GlueX DIRC Meeting
Monday November 9, 2020
1:00 pm, EDT
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.
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
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4. More information on connecting to bluejeans is available.

Agenda

1. Announcements:
2. DIRC survey results (Bill, All)
3. Optical Box inspection (Bill, All)
   • North OB slides
   • South OB slides
   • Photon yield studies (Justin)
   • Discussion of possible strategies for mirror replacement and timeline
4. South box module diagnostic and replacement plan (Bill)
5. Hall D Engineering Page: current detailed https://www.jlab.org/Hall-D/engineering/Hall%20D%20SAD%202020v2.pdf schedule]
6. 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)
7. 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
8. AOB