JEF meeting, April 8, 2022

Meeting time and location

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

Agenda

• Preparation for mass production of FCAL2 modules -- Sasha
  • 60 CRYTUR crystals have been received (and accepted)
  • 91 + 40 = 131 SICCAS crystals were moved from the NPS lab[1]. 40 of them have been checked/tested before. Crystals have to be inventorized.
  • Chris continues brazing brass straps. Some minor issues with brazing the front flange [2]. Pre-selected bad more than 20 assemblies [3] (can be fixed). Revisited the brazing procedure with Tim and Chris. Chris was sick for a couple of days, some backlog in module fabrication.
  • Production of Silicon cookies at the GWU [4]. See Olga's report.
  • Quotes for R4125 PMTs in 2022 (quotes to order spares)
• Module fabrication -- Sasha
  • Modules fabricated by Arshak and Sasha (list on Google Drive) (grand total 245)
  • Fabricated modules in TEDF
  • Status of fabrication

• • Meeting with Tim's group and Fernando regarding FCAL2 insert cables [5]
• Light Monitoring System -- Arshak
• COMCAL tests, TAC running, etc. -- Sasha
• Data analysis
• Simulations