| Paper |
Title |
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| WEPRB003 |
Parametric Pumped Oscillation by Lorentz Force in Superconducting Rf Cavity |
2798 |
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- K. Fong, R. Leewe
TRIUMF, Vancouver, Canada
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Mechanical instabilities have been observed in superconducting RF cavities, when multiple cavities are driven by a single klystron and these cavities are regulated by vector-summing the outputs from these cavities. A nonlinear theory has been developed to study the source of this mechanical instability, which is due to the coupling between Lorentz force detuning and mechanical oscillation by parametric pumping. Analytical and numerical analysis of this model show regions of stability, limit cycles and instabilities. These results are in agreement with the observed oscillations by TRIUMF eLinac Acceleration Module.
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| DOI • |
reference for this paper
※ https://doi.org/10.18429/JACoW-IPAC2019-WEPRB003
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| About • |
paper received ※ 13 May 2019 paper accepted ※ 20 May 2019 issue date ※ 21 June 2019 |
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