July 12, 2018 DIRC

Meeting Information

GlueX DIRC Meeting
Thursday July 12, 2018
10:00 am, 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
   • Documentation wiki page DIRC
2. Bar box transportation and installation: plans for a writeup? (Matt, et al.)
3. Optical box
   • Water quality plan (Tim, et al.)
   • Fabrication status update (Ernie and Jason)
     • Box production at Lesker: delivery date to Bates?
     • Window procurement: delivery date to JLab?
     • Assembly sequence and testing plans at Bates
     • PMT test fixture and cookies (Maria)
       • Installation videos
     • Dark box design
       • Air flow considerations and plan:
         • The power dissipated by each module is ~4 Watts, so the total in one optical box enclosure would be ~144 W.
         • Maintain temperature < 50 C inside the box to keep local FPGA temperatures < 80 C
         • Uniform flow over electronics boards (Jason)
   • DIRC installation schedule
   • DIRC BBox Split Flange Seal
4. Simulation studies (Maria and Roman)
   • Writeup of LUT algorithm provided by Maria
   • Implementation of reconstruction in PID library underway (Justin)
5. MAPMT testing (Bill and Andrew)
   • Magnetic field test (delayed by access to laser setup)
6. Commissioning plans
7. Reminder: Addressing ERR review recommendations
   • Recommendations pertaining to Fall 2018 DIRC commissioning should be addressed by August 20 (close of Hall D for beam)
8. AOB