JEF meeting, November 3, 2023

Meeting time and location:

• 10:30 am EST (JLab time) remote only
• Connection information

Agenda

• Preparation of parts for ECAL -- Sasha
  • - signal cables: all cables are ready. Received 75 long cables. They have been tested, labeled and bundled (will be used to replace FCAL cables removed from the FCAL)
  • - signal patch panels are ready [1]
  • - HV cables: have received 100 short cables, have been testes and labeled. 320 cables are ready for installation. 36 long cables are in production
  • - HV distribution boards: Chris is finalizing design of the distribution board, should order 4 boards soon.
  • - LV cables: ordered, lead time unclear
  • - LV distribution boards: met with Chris and Stephanie on Monday last week. The design of the LV distribution board has been finalized.
  • - Optical fibers: received all
• Ongoing projects -- Sasha, all
  • - Testing and labeling cables (Recently labeled cables in boxes)
  • - Prepare modules for the TAC and prototypes (using crystals with some imperfections) [2]
    • Wrapped crystals
    • Parts for TAC[3]. Chris D. and Keith prepared brass straps assemblies.
    • Modules for prototype (25 are ready). All parts are ready to assemble 30 CCAL-style modules.
  • - Polished 320 fiber plastic caps, all fibers are ready. Meeting with Stephanie and Tim, 3-D printed a mounting plate to couple with the integrating sphere [4]
  • - Installation of the trigger and readout electronics
    • - 7 VXS crate, 3 HV crates, and 1 LV (Wiener) crate have been installed. Power lines will be installed in a week.
    • - Installed flash ADC, SDs, TIs. Uploaded new firmware [5]
    • - Work on the installation of ROCs and VTPs (with Ben R.)
  • - Summer Students (2023)
• Testing of PMT dividers -- Sasha / Vlad / Aoran / Boaxin
  • - Testing procedure [6]
  • - Tested 178 dividers [7]
• Installation of the FCAL2 detector & integration to GlueX -- Sasha / Vlad / Hakob
  • Detector installation [8][9][10]
  • Detector survey
  • Installation of racks [11][12]
  • Detector installation page
  • Updates from the meetings with Tim's group [13]
  • Discussion of the FCAL2 installation procedures [14]
• Light monitoring system
  • Plastic caps have been glued to all fibers
• Returning low-quality crystals to SICCAS -- Sasha
  • 11 crystals were wrapped and placed into the box; they are ready for shipment to SICCAS [15]

• Analysis/Simulation