July 26, 2019 FCAL Insert Design Meeting

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Revision as of 12:41, 29 July 2019 by Whitey (Talk | contribs) (Agenda)

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Meeting Time and Place

Friday July 26,2019 1pm At Jefferson Lab, room TED 2504

Agenda

  • Discuss 40x40 vs 32x32 crystal assembly
  • Discuss installing Rohacel US of crystals to fill hole and support the lead glass blocks
  • Discuss Tungsten absorber
    • How many crystals does it cover?
    • How to support it and the blocks above
  • Monitoring System
    • Is acrylic sheet good enough for crystals?
  • How were original FCAL lead glass modules stacked?
    • Matt Shepherd stated that they were rotated 90 degrees every other one and bottom row was shimmed as required.
    • What should the shim material be