GTS meeting 4 12 21

• Upgrade Glassman Gun PSS interlock chassis (Scott)
• Add vacuum interlock to HV supply (Scott)

Plan B: Install Spellman 225 kV power supply. Did not work because we could not establish remote communication - [1]
Plan C: Install spare Spellman power supply (225 kV, 5 mA). Now at UITF, to be moved to GTS.

• Beamline - no bake of beamline: (Mamun and Bubba)
  • Replace YAG screens on Viewers 1, 2 and 3
  • Replace leaky right-angle valve
  • Check ion-trap Gun spool: Iron trap will not fit on PGun becuase of view ports. Instead, investigate using trap with two beamline solenoids.
  • Remove Deflecting Cavity and move TE_011 Cavity in its place

Install Electrodynamics Ring Cavity (later)

• Prep Chamber: (Mamun)
  • Remove Cs/K source
  • Add K source

• Gun HV Chamber: (Carlos)
  • Replace Anode
  • Replace Pierce geometry
  • Upgrade anode HV bias feed-through to 10 kV
  • Replace Gun NEG modules with strips

• Laser: (Shukui)
  • Re-install 500 MHz green fiber laser

Install new pulse laser (later)