Prediction of multipactor in the iris region of rf deflecting mode cavities

Burt, Graeme and Dexter, Amos (2011) Prediction of multipactor in the iris region of rf deflecting mode cavities. Physical Review Special Topics: Accelerators and Beams, 14 (12). ISSN 1098-4402

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Abstract

Multipactor is a major cause of field limitation in many superconducting rf cavities. Multipacting is a particular issue for deflecting mode cavities as the typical behavior is not well studied, understood, or parametrized. In this paper an approximate analytical model for the prediction of multipactor in the iris region of deflecting mode cavities is developed. This new but simple model yields a clear explanation on the broad range of rf field levels over which the multipactor can occur. The principle multipactors under investigation here are two-point multipactors associated with cyclotron motion in the cavity’s rf magnetic field. The predictions from the model are compared to numerical simulations and good agreement is obtained. The results are also compared to experimental results previously reported by KEK and are also found in good agreement.

Item Type:
Journal Article
Journal or Publication Title:
Physical Review Special Topics: Accelerators and Beams
Uncontrolled Keywords:
/dk/atira/pure/researchoutput/libraryofcongress/ta
Subjects:
?? ENGINEERINGPHYSICS AND ASTRONOMY (MISCELLANEOUS)SURFACES AND INTERFACESNUCLEAR AND HIGH ENERGY PHYSICSTA ENGINEERING (GENERAL). CIVIL ENGINEERING (GENERAL) ??
ID Code:
51889
Deposited By:
Deposited On:
07 Dec 2011 15:06
Refereed?:
Yes
Published?:
Published
Last Modified:
20 Sep 2023 00:18