Author: Miyamoto, R.
Paper Title Page
TUIPI2
ESS Linac Commissioning Planning, Status and Preliminary Results  
 
  • R. Miyamoto
    ESS, Lund, Sweden
 
  European Spallation Source (ESS), currently under construction in Lund, Sweden, will be a spallation neutron source driven by a proton linac. The linac features an unprecedented design beam power of 5 MW and 2.86 ms long pulses at 14 Hz and is now in the phase where components manufacturing, installations, and commissioning are ongoing in parallel. The first stage of the linac commissioning for the source and low energy beam transport was conducted from 2018 to 2019. Preparations are progressing for commissioning of the rest of the normal-conducting part of the linac, which is about to commence this autumn. This paper presents the overall plan and status of the ESS linac commissioning, including the results from the first commissioning stage and with focus to the upcoming stages for the normal-conducting part of the linac.  
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THDC2 Commissioning of the ESS Front End 225
 
  • N. Milas, C.S. Derrez, E.M. Donegani, M. Eshraqi, B. Gålander, H. Hassanzadegan, E. Laface, Y. Levinsen, R. Miyamoto, M. Muñoz, E. Nilsson, D.C. Plostinar, A.G. Sosa, R. Tarkeshian, C.A. Thomas
    ESS, Lund, Sweden
 
  The European Spallation Source, currently under construction in Lund, Sweden, will be the brightest spallation neutron source in the world, when the proton linac driver achieves the design power of 5 MW at 2 GeV beam energy. Such a high power requires production, efficient acceleration, and transport of a high current proton beam with minimal loss. This implies in a challenging design and beam commissioning of this machine. The linac features a long pulse length of 2.86 ms at a relatively low repetition late of 14 Hz. The ESS ion source and low energy beam transport are in-kind contributions from INFN-LNS. Beam commissioning of this section started in September 2018 and continued until early July in 2019. This article presents highlights from a campaign of beam characterizations and optimizations during this beam commissioning stage.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-HB2021-THDC2  
About • Received ※ 17 October 2021 — Revised ※ 20 October 2021 — Accepted ※ 22 November 2021 — Issue date ※ 01 December 2021
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