Talk:GTS meeting 6 27 16

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  • Things to try next, in order:
  • 1. Run with the beam viewers shields completely out for improved pumping speed,
  • 2. Bias anode positive, John hsa PS
  • 3. Increase laser spot size to 4 mm
  • 4. Make a brand new photocathode (there is one puck with bare GaAs in the prep chamber) using the mask.
  • For future, Joe G. recommends to do a high temp (450) beam dump bakeout.