JEF meeting, December 1, 2023

Meeting time and location:

• 9:30 am EST (JLab time) remote only
• Connection information

Agenda

• Preparation of parts for ECAL -- Sasha
  • - signal cables: Received all needed long cables. Redid and tested 4 bundles. All cables are ready.
  • - signal patch panels are ready [1]
  • - HV cables: have received 330 short cables, have been testes and labeled. 800 cables are ready for installation. 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. The design of the LV distribution board has been finalized. Boards will be ordered during next week.
  • - Optical fibers: received all
• Ongoing projects -- Sasha, all
  • - Testing and labeling cables (Recently labeled cables in boxes)[2]
  • - Prepare modules for the TAC and prototypes (using crystals with some imperfections) [3]
    • Wrapped crystals - done
    • Parts for TAC[4] - done
    • Modules for prototype (25 are ready) - done
  • - Preparation of the LMS [5]
    • - 3-D print and machine mounting plate (coupling to the integrating sphere]
    • - 3-D print support structure for gluing fibers to the mounting plate [Boby]
    • - Machined Al plate for fiber polishing
    • - Installing fibers; will start gluing soon [6][7]
    • - The LMS should be ready for the installation on the detector during next week.
  • - Install labels on the detector [8]
  • - 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 [9]
    • - All readout controllers have been installed [10]
    • - Radiation tests of the PMT active base [11]
  • - Summer Students (2023)
• Testing of PMT dividers -- Sasha / Vlad / Aoran / Boaxin
  • - Testing procedure [12]
  • - Tested 314 dividers [13] (59 last week)
• Installation of the FCAL2 detector & integration to GlueX -- Sasha / Vlad / Hakob
  • Detector installation [14][15][16]
  • Detector survey
  • Detector installation page
  • Updates from the meetings with Tim's group [17]
  • Discussion of the FCAL2 installation procedures [18]
• Light monitoring system
  • All optical fibers are ready for installation, the mounting plate to the integrating sphere is under production, will be ready soon.
• Analysis/Simulation
  • Added new JEF simulation page to wiki
  • Rate simulation studies