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RF Cavity R&D

Ionization cooling require high gradient RF cavities operating in strong magnetic fields. Sofar, no such cavity has been demonstrated. On the contrary, experimental observations indicate that ordinary RF cavities break down when operated in strong magnetic fields. There are several cavidate solutions to this problem
  • Special surface coatings, and the use of cleaning techniques developed for superconducting cavities.
  • Cavities filled with high pressure hydrogen gas, which also act as absorber.
  • Special cavity shapes along with a magnetic lattice that ensures field lines are always parallel to the high-gradient surfaces.
This is currently main focus of our experimental work.