Author: Kelly, M.P.
Paper Title Page
TUPAB166 A New Design of a Dressed Balloon Cavity with Superior Mechanical Properties 1769
 
  • R.A. Kostin, C. Jing, S. Ross
    Euclid Beamlabs, Bolingbrook, USA
  • I.V. Gonin, T.N. Khabiboulline, G.V. Romanov, V.P. Yakovlev
    Fermilab, Batavia, Illinois, USA
  • M.P. Kelly
    ANL, Lemont, Illinois, USA
  • R.E. Laxdal
    TRIUMF, Vancouver, Canada
  
  Funding: Work supported by the SBIR program of the U.S. Department of Energy, under grant DE-SC0020781
Superconducting spoke cavities are prone to multipactor - resonant raise of a number of electrons due to secondary emission. Recently proposed and tested by TRIUMF balloon-type spoke cavity showed an outstanding multipactor (MP) suppression property but unfortunately serious Q degradation at high fields. A new fully developed design of a dressed balloon cavity which can be used for any proton linac SSR2 section is developed. The design incorporates additional EP ports for high Q-factor demonstration. Superior properties are demonstrated, such as effective multipactor suppression, 40% lower Lorentz force coefficient, zero sensitivity to external pressure. This paper presents the results of coupled structural Multiphysics analysis, and engineering design of the dressed balloon cavity with EP ports. 		 
poster icon Poster TUPAB166 [1.394 MB]  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2021-TUPAB166  
About • paper received ※ 15 May 2021       paper accepted ※ 21 June 2021       issue date ※ 01 September 2021  
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