Difference between revisions of "November 19, 2018 DIRC"

Revision as of 09:51, 19 November 2018

Meeting Information

GlueX DIRC Meeting
Monday November 19, 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 machining completed: flat to +/- 0.15 mm (0.006). Shipping back from Lesker today.
       • Upper (beam left) at Lesker for modification now.
     • 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 in EEL 226
     • Darkbox cabling from Jason
     • Cabling tests and plans for dark box tests (Bill/Andrew)
3. PMT fit results (Andrew)
4. Software/simulations
   • Finalizing DIRC "as-built" geometry: support frames, bar box internals, etc. (Yunjie)
   • LED generator (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