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@inproceedings{kostin:ipac2021-tupab166, author = {R.A. Kostin and I.V. Gonin and C. Jing and M.P. Kelly and T.N. Khabiboulline and R.E. Laxdal and G.V. Romanov and S. Ross and V.P. Yakovlev}, % author = {R.A. Kostin and I.V. Gonin and C. Jing and M.P. Kelly and T.N. Khabiboulline and R.E. Laxdal and others}, % author = {R.A. Kostin and others}, title = {{A New Design of a Dressed Balloon Cavity with Superior Mechanical Properties}}, booktitle = {Proc. IPAC'21}, pages = {1769--1772}, eid = {TUPAB166}, language = {english}, keywords = {cavity, multipactoring, SRF, linac, software}, venue = {Campinas, SP, Brazil}, series = {International Particle Accelerator Conference}, number = {12}, publisher = {JACoW Publishing, Geneva, Switzerland}, month = {08}, year = {2021}, issn = {2673-5490}, isbn = {978-3-95450-214-1}, doi = {10.18429/JACoW-IPAC2021-TUPAB166}, url = {https://jacow.org/ipac2021/papers/tupab166.pdf}, note = {https://doi.org/10.18429/JACoW-IPAC2021-TUPAB166}, abstract = {{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.}}, }