November 19, 2018 DIRC
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Meeting Information
GlueX DIRC Meeting
Monday November 19, 2018
1:00 pm, EDT
JLab room A110
Connection Using Bluejeans
- To join via Polycom room system go to the IP Address: 199.48.152.152 (bjn.vc) and enter the meeting ID: 846453895.
- To join via a Web Browser, go to the page [1] https://bluejeans.com/846453895 .
- 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
- More information on connecting to bluejeans is available.
Agenda
- Announcements
- All components need to be at JLab and tested by end of December, in preparation for January install
- 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)
- Box window flange modification at Lesker (Ernie/Tim)
- Testing at JLab
- Laser alignment test in ESB: start when lower box returned to JLab (Bill)
- Cabling tests and plans for dark box tests in EEL126 (Bill/Andrew)
- Fabrication status update (Ernie and Jason)
- PMT fit results (Andrew)
- 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)
- Addressing ERR review recommendations
- Recommendations pertaining to DIRC commissioning should be addressed before installation.
- AOB