GTS meeting 3 14 17

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  • Measured QE ~ 3.5% with -100 V Gun bias. Was about 0.4% with -1 kV bias. This is to be compared to QE ~ 3.9% in Prep Chamber with -280 V bias before moving the photocathode to Gun.
  • Gun vacuum improved when opening the gate valve to beamline
  • Beam to F-Cup
  • Plan to complete the second part of beamline in two weeks. We will have one-week down in about 2 weeks to install the second DP can, solenoid, ion precipitator and the BNNT diagnostic station.
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