Meeting 11 September 2020

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DISCUSSION TOPICS:

  • Simulations Update
  • Shielding and magnet model
  • CPS Design Model Update
  • Hall A/C model and design/implementation
  • Hall D design and radiation simulations
  • TCS: trigger assumptions (Vardan)
  • Other


PARTICIPANTS: Alexandre Camsonne, Arshak Asaturyan, Bogdan Wojtsekhowski, Rolf Ent, Hamlet Mkrchyan, Hovanes Egiyan, Josh Crafts, Amy Comer, Marie Boer, Tanja Horn, Steve Lassiter, Vardan Tadevosyan, Sean Dobbs, Dustin Keller

SUMMARY NOTES

SHIELDING DESIGN MODEL (Josh)

  • Stacking progressing well, so far ~3000 Pb and ~3000
  • Power and cooling feeds - use example from NPS
  • Feeds coming through roof - favorable from radiation point of view
  • Actions:
  • Add arrow to indicate beam direction
  • Add legend for types of shielding material, e.g. purple=poly, grey=W, green=Pb
  • For power/cooling feeds, use example from NPS (Steven L.)
  • Beam pipe shape
  • Bogdan can send model
  • Gabriel can send optimized cone model
  • discussion of filling pipes


LEAD STATUS (Bogdan)

  • waiting for transportation company
  • current quotes much more expensive than local company


DESIGN/ENGINEERING (Amy)

  • Discussion of the model that is being developed
  • Heat source: Need functional fit of heat/temperature distribution along beam line (power density [W/m3] as function of z)
  • check origin of z for consistency between models (z=0 at center of magnet?) - must avoid offsets


HALLD DESIGN AND RADIATION (Sean)

  • Working on transferring radiation simulation framework - scheduling separate meeting with Gabriel on this


TCS TRIGGER CONCEPT (Vardan)

  • Add information on rates - to show how thresholds/trigger were selected
  • specifically: count rate on individual blocks as function of amplitude - occupancy


NEXT MEETING: FRIDAY 2 OCTOBER AT 8:00AM ET