Tuesday, October 22, 2019 11am ET

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Agenda

• Helium vs. vacuum sims fig slides
• Pugh matrix sheet
• Next steps

Minutes

Attendance: Juliette, Ruben, Probir, Sandesh, Randy, KK, Kent, Cip, Sakib, Jim, Ernie, Robin (arrived late)

• Helium vs. vacuum sims
• Pugh matrix
  • Went over line by line
  • vacuum - 10-5 - 10-4 Torr b/c of Paschen curve
• Next steps
  • Document the Pugh matrix
  • Document the physics
  • not yet CD1 but Thia wants to follow change/control process
    • strictly speaking - post-CD1 is when those rules come in
    • good documentation for the physics rules
  • Assuming vacuum case for cost review in November as of now
    • at Dir. Rev. - used He but didn't have the full physics case
    • The cost differential is not as big as feared
  • Assuming hybrid as of now
• Meetings
  • cost review - Nov. 11-12
  • CDR review - Dec. 12-13
  • Dir. Rev. - Jan. 14-16
  • CD1 review - Feb. ??

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