Author: Piquet, O.
Paper Title Page
TUPAB016 ESS RFQ: Installation and Tuning at Lund 1372
 
  • P. Hamel, D. Chirpaz-Cerbat, M. Desmons, A.C. France, O. Piquet
    CEA-IRFU, Gif-sur-Yvette, France
  • A. Dubois, Y. Le Noa
    CEA-DRF-IRFU, France
 
  The 352 MHz Radio Frequency Quadrupole (RFQ) for the European Spallation Source ERIC (ESS) has been delivered by the end of 2019. It has been provided by CEA, IRFU, Saclay/France. It consists of five sections with a total length of 4.6 m and accelerates the 70 mA proton beam from 75 keV up to 3.6 MeV. It will be fed with 900 kW peak power through two coaxial loop couplers. The installation process (alignment, vacuum test), as well as the tuning process based on bead-pull measurements, is presented in this paper.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2021-TUPAB016  
About • paper received ※ 18 May 2021       paper accepted ※ 06 July 2021       issue date ※ 14 August 2021  
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WEXB01 The ESS Elliptical Cavity Cryomodules Production at CEA 2536
 
  • C. Madec
    CEA, Gif-sur-Yvette, France
  • C. Arcambal, S. Berry, A. Bouygues, G. Devanz, C. Mayri, P. Sahuquet, T. Trublet
    CEA-DRF-IRFU, France
  • P. Bosland, E. Cenni, C. Cloué, T. Hamelin, O. Piquet
    CEA-IRFU, Gif-sur-Yvette, France
  • P. Pierini
    ESS, Lund, Sweden
 
  CEA in Kind contribution to the ESS superconducting LINAC includes 30 elliptical medium and high-beta cryomodules. CEA is in charge of the production of all the components (except the cavities delivered by LASA and STFC) as well as the assembly of the cryomodules and a few cryogenic and RF tests. The power couplers operating at a maximum power of 1.1MW on a 3.6ms pulse at 14Hz are conditioned at high RF power on a dedicated stand. The assembly of the cryomodules is performed at CEA by a private Company under the supervision of CEA. This paper presents the status of the cryomodules production and the infrastructure dedicated to this project at CEA Saclay.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2021-WEXB01  
About • paper received ※ 18 May 2021       paper accepted ※ 19 July 2021       issue date ※ 30 August 2021  
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