GTS meeting 4 12 16

• Beamline
  • Viewer solenoid control boxes have been wired up and installed.
  • Bubba is working on the instrument air line
  • The needle valves to control the airflow to the viewer cylinderi have arrived and are in the GTS now
  • Omar reports that as soon as the air is connected we can finish the control work., and that
  • Trigger? not sure....will get someone to locate.

• Cathode prep chamber
  • Electricians are installing the 100A 50 VDC PS for the Sb deposition
  • Most of the equipment to make cathode is installed in the rack
  • The Cs and the K ampules have been crushed.... and the chamber is still leak tight!
  • The effusion source heater has been installed
  • 

• High voltage conditioning. [1]
  • Kr processing up to 325 kV. Soaking overnight at 300 kV reduced FE from 1000 CPS to < 50 CPS.
  • Needs more processing

• Barrel polishing surface characterization: Media:Surface characterization summary.pptx
  • Chris Gould completed the set of samples (anodes and 1cmx1cm samples) characterization using optical ellipsometry
  • Mamun is studying the square samples with the AFM, EDS, etc.

• GTS Schedule including LERF CIS requests
  • Media:GTS gun, cathode chamber, beamline & magnetized beam pic.pdf
  • Media:Dark Light FY16-17 schedule v2.pdf