October 1, 2021 DIRC

Meeting Information

GlueX DIRC Meeting
Friday October 1, 2021
10:00 am, ET
Remote only

Connection Using Bluejeans

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Agenda

1. Announcements
2. Hardware work (All)
   • Latest inspections of mirror prototypes (Bill)
3. DIRC commissioning analyses and 2020 studies (All)
   • Spring and Summer 2020 data production status only batch 12 ongoing and Analysis launches
   • Geometric reconstruction update (Roman)
     • performance vs particle charge
   • Global alignment issues see slide 15-18 of CM talk (All)
     • Early studies of FDC tilt
     • Possible rotation of magnetic field: impact on extrapolations to DIRC?
       • Generate MC with rotated field and reconstruct with nominal?
   • Action items (from previous meetings)
     • Add incident angle dependence to mirror reflectivity
     • Reducing background contamination in pi/K samples: KinFit Δχ² between 2pi and 2k reactions, robust sideband subtraction
     • FastDIRC documentation (Yunjie)

1. AOB