Author: Ross, S.
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. 		 
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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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