Analysis and suppression of RF radiation from the PSI 590 MeV cyclotron Flat Top Cavity

The Flat Top Cavity, located in the PSI HIPA Ring Cyclotron leaks RF power of several kilo Watts into the cyclotron's vacuum space causing several complications. A detailed electromagnetic model was created and simulations performed to analyze the mechanisms by which power is leaking out of the...

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Bibliographic Details
Published in:Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment Accelerators, spectrometers, detectors and associated equipment, 2016-08, Vol.828, p.156-162
Main Authors: Pogue, N.J., Stingelin, L., Adelmann, A.
Format: Article
Language:English
Subjects:
Accelerators
Computer simulation
Cyclotrons
Flats
Holes
Mathematical models
Nuclear power generation
Tolerances
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Summary:The Flat Top Cavity, located in the PSI HIPA Ring Cyclotron leaks RF power of several kilo Watts into the cyclotron's vacuum space causing several complications. A detailed electromagnetic model was created and simulations performed to analyze the mechanisms by which power is leaking out of the Flat Top Cavity. The tolerances needed to limit the leaked power in future iterations of the Flat Top cavity are reported. Comparison of the model to measurements are described as well as two potential methods to limit power leakage. These studies will have direct impact on future RF cavity designs for cyclotrons as power levels increase and higher RF fields are required.
ISSN:0168-9002
DOI:10.1016/j.nima.2016.05.026