JEF meeting, April 29, 2022

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meeting time and location

  • 9:30 am EST (JLab time) remote only
  • Zoom meeting ID: 161 050 9142 Passcode: 004965

Agenda

Minutes

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

  • Sasha presented a list of summer students and a potential schedule for their stays
    • Students need to register with Jlab system in advance
    • Lodging is available in the ResFac except for few weeks in June; students will be relocated to local extended-stay places/apartments/hotels for this gap period
    • In 2023 we expect to take apart and reassemble the FCAL to create FCAL2: student help during this time would be good as well
  • Total number of fabricated modules now up to 345
  • Lab will be relocated from TEDF to EEL soon, need to update safety documentation
  • A plan for strain relief of cables inside the FCAL dark room is in the works
  • Discussion of refurbishment of existing FCAL LG blocks if necessary is continuing
  • Arshak received the new plastic plate -- light transmission looks much better! Still need machine shop to cut a hole in the center
    • Fiber connectors were 3D-printed
  • Design for 3x3 crystal prototype (to be placed on TAC platform in Hall D) ready to go
  • Fernando is ordering components and lemo connectors for PMT dividers
  • Tegan has been studying performance of Island algorithm for 2-cluster separation in CCAL using simulated particle gun events
    • Reconstruction efficiency appears to be low
    • log-weighting appears to be worse than default energy weighting for cluster position
    • Instead of throwing from the nominal target, throw downstream of FCAL?
  • Igal continues to work on η→π0γγ events in MC and data
    • Less background in real data? (not expected..)
    • Discussed handling bad blocks in fiducial region
  • Bastian Kubis will co-organize ECT* conference proposal with Susan
    • Will add Daniel Lersch and Igal as "young scientist" co-organizers