JEF meeting, April 2, 2021

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

Connection instructions

We are using BlueJeans Video/Audio conferencing. Our meeting ID number is 992533564. Click "Expand" for more details.

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  • SICCAS crystals
  • COMCAL tests, TAC running, etc.
  • Data analysis
  • Simulations


Attendees: Igal,Tim B.,Tim W.,Sasha,Zisis,Jon,Liping,Susan,Jane,Arshak,Jared,Phil,Bill B.,S.T.

  • Still no update from SICCAS regarding delayed delivery schedule and other issues
    • Previously: claim delivery of next batch of crystals by June, can deliver full amount (1600) by end of 2022? Not clear this can be done.
    • Will follow up in 2 weeks
  • Given schedule and budget risks, discussed contingency plans
    • Still have 25% tariff added to SICCAS crystal price
    • Could purchase CRYTUR crystals to mitigate schedule risk, at ~$140k increase to budget for 286 crystals
  • Original FCAL-II upgrade design = 1x1 m^2, current design is 40x40 crystals --> need to run longer to get same experimental sensitivity for rare signals
    • Would probably mean going back to PAC to ask for more time
  • Sasha met with Hamamatsu rep regarding PMTS
    • Company can build as soon as order is placed, can get a price discount for large order (>1000?)
    • Lead time is 0.5 year
    • Have funds for 600, already have 500
  • CCAL refurbishment continues
    • Josh C. working on LMS, ready for installation in 2 weeks
    • Once done, switch to module construction, with help from Tim W.'s group
  • Components for module construction in house:
    • 1000 mu-metal shields
    • 260 steel shields, 100 expected week of 4/5
    • 260 light guides, more expected week of 4/5
    • 500 brass pieces
  • Bill B. (GW) can join effort to check PMT dividers
    • Have students that can work with PMTs at GW (have lab)
  • Zisis got paperwork sorted out for doing PMT base studies at U.Regina