Author: Tamura, J.
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MOP04 Status of the JAEA-ADS Superconducting LINAC Design 30
 
  • B. Yee-Rendón, Y. Kondo, F. Maekawa, S.I. Meigo, J. Tamura
    JAEA/J-PARC, Tokai-mura, Japan
 
  The Japan Atomic Energy Agency (JAEA) is working in the research and development of an Accelerator Driven Subcritical System (ADS) for the transmutation of nuclear waste. To this end, JAEA is designing a 30-MW cw proton linear accelerator (linac) with a beam current of 20 mA. The JAEA-ADS linac starts with a Normal Conducting (NC) up to an energy of 2.5 MeV. Then, five Superconducting (SC) sections accelerate the beam up to 1.5 GeV. The biggest challenge for this ADS linac is the stringent reliability required to avoid thermal stress in the subcritical reactor, which is higher than the achieved in present accelerators. For this purpose, the linac pursues a strong-stable design that ensures the operation with low beam loss and fault-tolerance capabilities to continue operating in case of failure. This work presents the beam dynamics results toward achieving high reliability for the JAEA-ADS linac.  
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DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-HB2021-MOP04  
About • Received ※ 30 September 2021 — Revised ※ 15 October 2021 — Accepted ※ 22 November 2021 — Issue date ※ 05 January 2022
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WEBC3 MYRRHA-MINERVA Injector Status and Commissioning 186
 
  • A. Gatera, J. Belmans, S. Boussa, F. Davin, W. De Cock, V.R.A. De florio, F. Doucet, L. Parez, F. Pompon, A. Ponton, D. Vandeplassche, E. Verhagen
    SCK•CEN, Mol, Belgium
  • Dr. Ben Abdillah, C. Joly, L. Perrot
    Université Paris-Saclay, CNRS/IN2P3, IJCLab, Orsay, France
  • F. Bouly, E. Froidefond, A. Plaçais
    LPSC, Grenoble Cedex, France
  • H. Podlech
    IAP, Frankfurt am Main, Germany
  • J. Tamura
    JAEA/J-PARC, Tokai-mura, Japan
  • C. Zhang
    GSI, Darmstadt, Germany
 
  The MYRRHA project at SCK•CEN, Belgium, aims at coupling a 600 MeV proton accelerator to a subcritical fission core operating at a thermal power of 60 MW. The nominal proton beam for this ADS has an intensity of 4 mA and is delivered in a quasi-CW mode. MYRRHA’s linac is designed to be fault tolerant thanks to redundancy implemented in parallel at low energy and serially in the superconducting linac. Phase 1 of the project, named MINERVA, will realise a 100 MeV, 4 mA superconducting linac with the mission of demonstrating the ADS requirements in terms of reliability and of fault tolerance. As part of the reliability optimisation program the integrated prototyping of the MINERVA injector is ongoing at SCK•CEN in Louvain-la-Neuve, Belgium. The injector test stand aims at testing sequentially all the elements composing the front-end of the injector. This contribution will highlight the beam dynamics choices in MINERVA’s injector and their impact on ongoing commissioning activities.
*angelique.gatera@sckcen.be
 
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DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-HB2021-WEBC3  
About • Received ※ 14 October 2021 — Revised ※ 21 October 2021 — Accepted ※ 22 November 2021 — Issue date ※ 28 December 2021
Cite • reference for this paper using ※ BibTeX, ※ LaTeX, ※ Text/Word, ※ RIS, ※ EndNote (xml)