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Title HOM Couplers and RF Antennas for HL-LHC Crab Cavities: Developments for Manufacturing
  • S. Barrière, S. Atieh, B. Bulat, R. Calaga, S.J. Calvo, O. Capatina, T. Demazierepresenter, G. Favre, A. Gallifa Terricabras, M. Garlasché, J.-M. Geisser, J.A. Mitchell, E. Montesinos, F. Motschmann, P. Naisson, R. Ninet, L. Prever-Loiri, L.R.A. Renaglia, K. Scibor, N. Villanti
    CERN, Meyrin, Switzerland
Abstract Superconducting RF crab cavities are being manufactured as part of the HL-LHC upgrade at CERN. Amongst its related ancillaries, radiofrequency HOM (High Order Modes) suppressors and field antennas are essential for reaching nominal performance during operation with high energy beams, as they monitor and control the electromagnetic fields in the cavities. Several concepts of such equipment have been engineered and manufactured, for both design validation and RF performance assessment. The following paper highlights manufacturing process definition, its challenges and the assembly strategies focusing on the ongoing RFD prototypes for the SPS beam tests. Specific tooling development and test campaigns are also described.
Paper download MOPCAV016.PDF [2.280 MB / 5 pages]
Poster download MOPCAV016_POSTER.PDF [1.457 MB]
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Conference SRF2021
Series International Conference on RF Superconductivity (20th)
Location East Lansing, MI, USA
Date 28 June-02 July 2021
Publisher JACoW Publishing, Geneva, Switzerland
Editorial Board Kenji Saito (FRIB, MSU, East Lansing, MI, USA); Ting Xu (FRIB, MSU, East Lansing, MI, USA); Naruhiko Sakamoto (RIKEN, Wako, Japan); Ana Lesage (FRIB, MSU, East Lansing, MI, USA); Volker R.W. Schaa (GSI, Darmstadt, Germany)
Online ISBN 978-3-95450-233-2
Online ISSN 2673-5504
Received 21 June 2021
Revised 10 July 2021
Accepted 11 November 2021
Issue Date 18 November 2021
DOI doi:10.18429/JACoW-SRF2021-MOPCAV016
Pages 303-307
Creative Commons CC logoPublished by JACoW Publishing under the terms of the Creative Commons Attribution 4.0 International license. Any further distribution of this work must maintain attribution to the author(s), the published article's title, publisher, and DOI.