JEF meeting, November 20, 2020

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Meeting time and location= 9:00 am EST (JLab time) Bluejeans only

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Attendees: Igal, Jane, Varun, Sasha, Jared, Phil, LIping, Tim W., Tim B., Susan, Jon, S.T.

  • Visual inspection of 2nd batch of SICCAS crystals is almost complete (160 out 172)
    • Generally better quality than first batch, but still have several discolored crystals
      • Plan to measure transmittance of ~20 crystals, compare with SICCAS/Jane's measurements
    • Crystals tend to be fatter in the middle compared to the ends by about 30 microns
    • Plan is to clear invoice week of 11/23
    • Crystal production (3rd batch) continuing
  • PMT divider developments: 2 bad dividers traced to sockets
    • Plan is to meet with Fernando -- proceed with procurement of 150 for COMCAL upgrade?
  • COMCAL -- working of improving LMS system to increase light yield
  • Start construction of ~10-20 modules soon
    • 60 Light guides ready to go, quality improved
    • Enough anneal steel shields, brass pieces, and mu-metal shields are available
  • Zisis was able to contact Eugene about a loan agreement for U. Regina
  • Igal is looked at impact of applying π0 mass constraint compared to not using that constraint for analyzing π0γγ events
  • Jared's work on signal PDFs for dark scalar search almost complete
  • S.T. is working on simulating π0π0 background