Author: Montis, M.
Paper Title Page
TUPOJO09 High Power RF Conditioning of the ESS DTL1 356
  • F. Grespan, C. Baltador, L. Bellan, D. Bortolato, M. Comunian, E. Fagotti, M.G. Giacchini, M. Montis, A. Palmieri, A. Pisent
    INFN/LNL, Legnaro (PD), Italy
  • F. Grespan, B. Jones, L. Page, A.G. Sosa, E. Trachanas, R. Zeng
    ESS, Lund, Sweden
  • D.J.P. Nicosia
    CERN, Meyrin, Switzerland
  The first tank of Drift Tube Linac (DTL) for the European Spallation Source ERIC (ESS), delivered by INFN, has been installed in the ESS tunnel in Summer 2021. The DTL-1 is designed to accelerate a 62.5 mA proton beam from 3.62 MeV up to 21 MeV. It consists of 61 accelerating gaps, alternate with 60 drift tubes equipped with Permanent Magnet Quadrupole (PMQ) in a FODO lattice. The remaining drift tubes are equipped with dipole correctors (steerers), beam position monitors (BPMs) or empty. The total length of the cavity is 7.6 m and it is stabilized by post couplers. Two waveguide couplers feed the DTL with the 2.2 MW of RF power required for beam operation, equally divided by RF power losses and beam power. This paper first presents the main systems required for the DTL conditioning. Then it summarizes the main steps and results of this high power RF conditioning done at ESS to prepare the DTL for the consequent beam commissioning.  
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About • Received ※ 15 August 2022 — Revised ※ 19 August 2022 — Accepted ※ 29 August 2022 — Issue date ※ 15 September 2022
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