August 9, 2018 DIRC

Meeting Information

GlueX DIRC Analysis Meeting
Thursday August 9, 2018
10:00 am, EDT
JLab room A110

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Announcements
- New meeting time: Doodle poll
Optical box
- Fabrication status update (Ernie and Jason)
  - Component QA and assembly status at Bates
  - Window flange modification
  - Assembly sequence and testing plans at Bates
- Dark box design (Jason)
- PMT test fixture and cookies (Maria)
Installation schedule discussion:
- Requirements for mechanical install of optical box: Aug 10 installation schedule
  - Ernie to deliver on Sunday evening, August 12
  - Packing list from Bates (Jason)
  - Goals (reduce risk for final installation):
    - Test water tightness of optical box and interface with bar boxes
    - Flow water through full system and establish controls, N2 purge, etc.
Mirror box laser alignment
- Update on geometry and laser projections (Bill)
Cabling and DAQ integration
- Cabling progress (Tim, Fernando)
- Installation of VXS crate and SSP modules complete, initial integration into DAQ underway by Sasha and Sergei.
Simulation studies (Maria and Roman)
- Finalizing DIRC "as-build" geometry: support frames, etc. (Yunjie, Maria)
- Documentation of LUT algorithm by Maria
- Implementation of reconstruction in PID library underway (Justin)
MAPMT testing (Bill and Andrew)
- Magnetic field tests underway
- Update on ADC fitting procedure
Commissioning plans
Reminder: Addressing ERR review recommendations
- Recommendations pertaining to Fall 2018 DIRC commissioning should be addressed by August 20 (close of Hall D for beam)
AOB