JEF meeting, March 3, 2023

Meeting time and location:

• 9:30 am EST (JLab time) remote only
• Zoom meeting ID: 161 050 9142 Passcode: 004965

Agenda

• Preparation of parts for FCAL2 modules -- Sasha
  • Available crystals:

1450 (modules)

32 (ready for fabrication)

40 (installed on CCAL) available on March 20

(some CCAL crystals from the inner part will not be used for the FCAL2)

95 expect to receive from CRYTUR in May [1]

Total 1617

• • • Wrapped crystals: 32 (Mindy)
    • George (DSG group) finished with disassembling CCAL modules and removing LMS caps

(work on preshaping ESR reflectors)

• • Wrapped CRYTUR crystals: 835 (ALL available CRYTUR)

• • • Available for wrapping: 60 SICCAS crystals from CCAL && prototype [2] [3]

• • • George (DSG group) started disassembling CCAL modules and removing LMS caps.
    • Mindy (DSG group) continues wrapping crystals and soldering wires to sockets
  • Disassembling CCAL
    • CCAL moved to the ESB
    • All modules (with SICCAS crystals) are removed
  • List of available parts
    • Some PMT housing are missing ( > 60, trying to find with Tim)
• Module fabrication -- Sasha
  • Fabricated modules: Total 1420 (7 modules fabricated since last week)
    • All SICCAS 576 + 3 SICCAS
    • 834 CRYTUR, available: 1
    • Moving modules to the new lab (EEL108)
• Testing of PMT dividers -- Sasha / Arshak
  • Most parts for dividers have been received
  • 25 dividers for the prototype are ready (have to be tested), expect to receive the LV patch panel prototype

during next week. The CCAL prototype should be ready by the end of next week (?)

• Installation of the FCAL2 detector -- Sasha / Arshak
  • Detector installation page
  • Updates from the meetings with Tim's group
  • Manpower and division of tasks
  • Projects for summer students
  • Meeting with the detector imaging group
• Light Monitoring System -- Arshak
  • 500mkm Fiber tests
• Simulations/Analysis
  • Updates on eta to ggpi^0 -- ig