Revision as of 10:10, 1 June 2023

Meeting time and location:

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

Agenda

• Preparation of parts for ECAL modules -- Sasha
  • Crystals:

    Received 50 crystals from CRYTUR [1]. Remaining 45 crystals are expected to be delivered to the Lab in May/June.

    Wrapped crystals during last week: 16

    Available for wrapping: 10 CRYTUR

  • Received 725 long signal cables
  • Procurement parts for the LMS:

    16,400 ft of optical fibers delivered to the lab. 7,600 will be delivered in September.

    Expect to receive all plastic caps for the LMS during next week

• Module fabrication -- Sasha
  • Fabricated modules: Total 1558

    16 modules fabricated during last week

  • Report from students
• Visual inspections of fabricated modules [2]

  -715 modules have been checked (273 SICCAS + 442 CRYTUR) [3]

• Testing and labeling cables
  • Cable tester and label maker

    - 600 long signal cables have been tested [4]

• Testing of PMT dividers -- Sasha / Vlad
  • Most parts for the active base have been arrived to the lab (including PCBs)
  • All dividers will be ordered during next week (by Chris S.)
• Installation of the FCAL2 detector & integration to GlueX -- Sasha / Arshak
  • Detector installation page
  • Updates from the meetings with Tim's group [5]

Discussion of the FCAL2 installation procedures [6]

• • Final mapping of low-voltage cables
  • Manpower and division of tasks
  • Projects for summer students
  • Summer Students (2023)
• Light monitoring system -- Arshak
• Simulations/Analysis

Minutes

Attendees: Arshak, Liping, Sasha, Olga, Bill, Jon, Jane, S.T.

• Crytur crystals still arriving at lab
  • Expect 10 more soon (45 remaining)
• Signal cables arrived, need to be checked using cable tester
  • Need to pull 400 cables from Hall (also ordered 400 more cables, but lead time is very long)
• Label maker arrived
• Total number of fabricated modules now 1558
  • Visual inspections continue (715 inspected)
  • Next week begin testing modules
• PMT divider saturation issue resolved, parts in place, boards to be sent out to outside company to populate with components (20 day lead time)
• Module stacking test underway
  • No shims yet
  • Need to verify torque
• Re-stacking to start July 11