Π polarizability Meeting May 27, 2020

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Meeting Info.

Meeting Time And Location

9:00 EST (JLab time)

CC L207

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Action Items

  1. Review studies that validate present 90 cm Fe design (Ilya)

Agenda

  1. Previous meeting: May 20, 2020
  2. Announcements
  3. Update on Engineering/Design
    1. Screen Shots of Mechanical Design Apr 2 and 23
    2. May 21, 2020 CPP Design Meeting
    3. Notes on beam test (Elton)
      • Tim: Can safely remove the DIRC with the B field on. Time estimate is about one shift.
      • No easy way of inserting additional Pb sheets next to the TOF. Possibly one can mount Pb sheets off the DIRC support structure.
    4. Test activities (email 5/21 from Ilya)
      • I believe we need to collect similar dataset as we did before without DIRC: high-frequency random trigger, possibly shifted down coherent peak, LH2 and empty target, beam current 10, 20, 30 nA ~3 min each.
      • If it would be possible to install single thickness shielding without modifying TOF position from the nominal value - also the same dataset with the shielding installed (inner hole in the shielding needs to be increased in this case).
      • In case if shielding installation requires modification of the TOF position, I think it is more important to keep the right TOF position rather than to collect additional data with shielding installed.
  4. Studies on Fe thickness (Ilya)
  5. Data Analysis - Andrew
  6. Preparations for Jeopardy
  7. Other business
  8. Next meeting

Minutes

TBD