General Meeting Summary 10/1/20

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PARTICIPANTS: Carlos Munoz-Camacho, Aaron Brown, Alex Camsonne, Tanja Horn, Charles Hyde, Hamlet Mkrtchyan, Steven Lassiter, Vardan Tadevosyan, Rolf Ent, Julie Roche, Vladimir Berdnikov, Bogdan Wojtsekhowski, Jacob Murphy, Marie Boer


FRAME (Carlos)

  • Making good progress with the assembly
  • Several boards fully cabled - each board tested individually (I/O and signals, HV) - 30 boards total
  • PCB Boards will be shipped with cabling on one side, then crystals will be included at JLab
  • Shipping preparations - boxes and dimensions shown - ship as much as possible in assembled state
  • Questions about position of:
  • cooling water I/O - check with design/engineering team
  • chiller - possibility to move chiller to other side of SHMS - what is the distance to other side of SHMS magnet?


DSG UPDATE (Aaron)

  • Cable fabrication and procurement
  • 820 of 1100 done
  • HV cables, Samtex connectors, Radiall ordered
  • Stability testing complete
  • voltage and currents within limits
  • Monitoring screen development: HV, temperature
  • Interlock system development
  • investigation of different sensors
  • Action: integrate temperature sensors on crystals (Pt) in the environmental control


CRYSTAL STACKING (All)

  • Discussion of different options - preferred option might be a hybrid of option 1 and option 3
  • Action: Impact of less resolution in outer layer on physics performance - use Ho San simulation code for estimate


OVERALL ACTIONS

  • Ask for update: Fast Electronics Group (and Brad): LED drivers
  • SOFTWARE - discussion about software at one of next NPS meetings
  • Discussion of next collaboration meeting - date and format


NEXT MEETING: THURSDAY 29 OCTOBER 9AM ET