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MO1PA01 Beam Commissioning and Integrated Test of the PIP-II Injector Test Facility 13
  • E. Pozdeyev, R. Andrews, C.M. Baffes, M. Ball, C. Boffo, R. Campos, J.-P. Carneiro, B.E. Chase, A.Z. Chen, D.J. Crawford, J. Czajkowski, N. Eddy, M. El Baz, M.G. Geelhoed, V.M. Grzelak, P.M. Hanlet, B.M. Hanna, B.J. Hansen, E.R. Harms, B.F. Harrison, M.A. Ibrahim, K.R. Kendziora, M.J. Kucera, D.D. Lambert, J.R. Leibfritz, P. Lyalyutskyy, J.N. Makara, H. Maniar, L. Merminga, R. Neswold, D.J. Nicklaus, J.P. Ozelis, D. Passarelli, N. Patel, D.W. Peterson, L.R. Prost, G.W. Saewert, A. Saini, V.E. Scarpine, A.V. Shemyakin, J. Steimel, A.I. Sukhanov, P. Varghese, R. Wang, A. Warner, G. Wu, R.M. Zifko
    Fermilab, Batavia, Illinois, USA
  • V.K. Mishra, M.M. Pande, K. Singh, Vikas. Teotia
    BARC, Mumbai, India
  The PIP-II Injector Test (PIP2IT) facility is a near-complete low energy portion of the Superconducting PIP-II linac driver. PIP2IT comprises the warm front end and the first two PIP-II superconducting cryomodules. PIP2IT is designed to accelerate a 2 mA H beam to an energy of 20 MeV. The facility serves as a testbed for a number of advanced technologies required to operate PIP-II and provides an opportunity to gain experience with commissioning of the superconducting linac, significantly reducing project technical risks. Some PIP2IT components are contributions from international partners, who also lend their expertise to the accelerator project. The project has been successfully commissioned with the beam in 2021, demonstrating the performance required for the LBNF/DUNE. In this paper, we describe the facility and its critical systems. We discuss our experience with the integrated testing and beam commissioning of PIP2IT, and present commissioning results. This important milestone ushers in a new era at Fermilab of proton beam delivery using superconducting radio-frequency accelerators.  
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slides icon Slides MO1PA01 [2.714 MB]  
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About • Received ※ 16 August 2022 — Revised ※ 26 August 2022 — Accepted ※ 28 August 2022 — Issue date ※ 13 October 2022
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TUPOJO01 Commissioning Plan of the IFMIF-DONES Accelerator 330
  • I. Podadera, A. Ibarra, M. Weber
    Consorcio IFMIF-DONES España, Granada, Spain
  • J. Aguilar, S. Becerril-Jarque, M. Luque, J. Maestre, D. Sánchez-Herranz, C. Torregrosa
    UGR, Granada, Spain
  • F. Arranz, M. García, A. Ibarra, D. Jimenez-Rey, J. Mollá, C. Oliver, I. Podadera, D. Regidor, M. Weber, C. de la Morena
    CIEMAT, Madrid, Spain
  • L. Bellan, A. Palmieri, A. Pisent
    INFN/LNL, Legnaro (PD), Italy
  • D. Bernardi, G. Micciché, F.S. Nitti
    ENEA Brasimone, Centro Ricerche Brasimone, Camugnano, BO, Italy
  • B. Bolzon, N. Chauvin, S. Chel, A. Madur
    CEA-IRFU, Gif-sur-Yvette, France
  • P. Cara, G. Duglue
    Fusion for Energy, Garching, Germany
  • J. Castellanos
    Universidad de Castilla-La Mancha, Ciudad Real, Spain
  • T. Dézsi
    CER, Budapest, Hungary
  • M.J. Ferreira
    Lund University, Faculty of Engineering (LTH), Lund, Sweden
  • V. Hauer, Y.F. Qiu
    KIT, Eggenstein-Leopoldshafen, Germany
  • W. Królas, U. Wiacek
    IFJ-PAN, Kraków, Poland
  • T. Lehmann
    Karlsruher Institut für Technologie, Institut für Fördertechnik und Logistiksysteme, Karlsruhe, Germany
  • L. Macià, M. Sanmartí, B.K. Singh
    IREC, Sant Adria del Besos, Spain
  • C.A. Martins
    Lund University, Lund, Sweden
  • C. Prieto
    Empresarios Agrupados, Madrid, Spain
  Funding: Funded by the European Union via the Euratom Research and Training Programme (Grant Agreement No 101052200 - EUROfusion)
IFMIF-DONES (International Fusion Materials Irradiation Facility- DEMO-Oriented Neutron Early Source) - a powerful neutron irradiation facility for studies and certification of materials to be used in fusion reactors - is planned as part of the European roadmap to fusion electricity. Its main goal will be to characterize and to qualify materials under irradiation in a neutron field similar to the one faced in a fusion reactor. The intense neutron source is produced by impinging deuterons, from high-power linear deuteron accelerator, on a liquid lithium curtain. The facility has accomplished the preliminary design phase and is currently in its detailed design phase. At the present stage, it is important to have a clear understanding of how the commissioning of the facility will be performed, especially the commissioning of a 5 MW CW deuteron beam, together with the lithium curtain and the beam optimization for the neutron irradiation. In this contribution, the present plans for the hardware and beam commissioning of the accelerator will be given, focusing on the most critical aspects of the tiered approach and on the integration of the procedure with the lithium and tests systems.
poster icon Poster TUPOJO01 [2.038 MB]  
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About • Received ※ 24 August 2022 — Revised ※ 29 August 2022 — Accepted ※ 31 August 2022 — Issue date ※ 02 September 2022
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TUPOJO02 Multi-Harmonic Buncher (MHB) Studies for Protons and Ions in ESS-Bilbao 334
  • J.L. Muñoz, I. Bustinduy, P.J. González, L.C. Medina
    ESS Bilbao, Zamudio, Spain
  Multi-harmonic buncher cavities (MHB) are used in ion linacs to increase the bunch separation so the beam can be injected in rings or used in applications like time-of-flight experiments. The ideal saw-tooth electric field profile of the buncher is achieved in practice by adding several components of its Fourier expansion (multi-harmonics). ESS-Bilbao will develop* a MHB intended to be tested in the CERN-ISOLDE facility. The design and prototyping include the buncher device itself as well as the solid-state power amplifier (SSPA) to power it. The buncher design (finite elements and beam dynamics) has been carried out to optimize it for ISOLDE beams and frequencies of 1/10th of the radio-frequency quadrupole (RFQ) frequency. The testing of the cavity at ESS-Bilbao proton beam injector (before the RFQ) has also been studied.
* In the framework of the "Agreement for the Spanish Contribution to the Upgrade of the ATLAS, CMS, and LHCb Experiments and the new Projects for ISOLDE and nTOF"
poster icon Poster TUPOJO02 [0.802 MB]  
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About • Received ※ 22 August 2022 — Revised ※ 29 August 2022 — Accepted ※ 04 September 2022 — Issue date ※ 15 September 2022
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WE1AA05 The Muon Linac Project at J-PARC 636
  • Y. Kondo, Y. Fuwa, R. Kitamura, K. Moriya, T. Takayanagi
    JAEA/J-PARC, Tokai-mura, Japan
  • S. Bae, H. Choi, S. Choi, B. Kim, H.S. Ko
    SNU, Seoul, Republic of Korea
  • E. Cicek, H. Ego, Y. Fukao, K. Futatsukawa, N. Kawamura, T. Mibe, Y. Miyake, S. Mizobata, M. Otani, N. Saito, K. Shimomura, T. Yamazaki, M. Yoshida
    KEK, Ibaraki, Japan
  • K. Hasegawa
    QST Rokkasho, Aomori, Japan
  • N. Hayashizaki
    Research Laboratory for Nuclear Research, Tokyo Institute of Technology, Tokyo, Japan
  • T. Iijima, Y. Sue, K. Sumi
    Nagoya University, Graduate School of Science, Chikusa-ku, Nagoya, Japan
  • H. Iinuma, Y. Nakazawa
    Ibaraki University, Ibaraki, Japan
  • K. Inami, K. Suzuki, M. Yotsuzuka
    Nagoya University, Nagoya, Japan
  • K. Ishida
    RIKEN Nishina Center, Wako, Japan
  • Y. Iwashita
    Kyoto ICR, Uji, Kyoto, Japan
  • T. Morishita
    JAEA/LINAC, Ibaraki-ken, Japan
  • G.P. Razuvaev
    Budker INP & NSU, Novosibirsk, Russia
  • Y. Takeuchi, J. Tojo
    Kyushu University, Fukuoka, Japan
  • E. Won
    Korea University, Seoul, Republic of Korea
  • H.Y. Yasuda
    University of Tokyo, Tokyo, Japan
  The muon linac project for the precise measurement of the muon anomalous magnetic and electric dipole moments, which is currently one of the hottest issues of the elementary particle physics, is in progress at J-PARC. The muons from the J-PARC muon facility are once cooled to room temperature, then accelerated up to 212 MeV with a normalized emittance of 1.5 pi mm mrad and a momentum spread of 0.1%. Four types of accelerating structures are adopted to obtain the efficient acceleration with a wide beta range from 0.01 to 0.94. The project is moving into the construction phase. They already demonstrated the re-acceleration scheme of the decelerated muons using a 324-MHz RFQ in 2017. The high-power test of the 324-MHz Interdigital H-mode (IH) DTL using a prototype cavity will be performed in 2021. The fabrication of the first module of 14 modules of the 1296-MHz Disk and Washer (DAW) CCL will be done to confirm the production process. Moreover, the final design of the travelling wave accelerating structure for the high beta region is also proceeding. In this presentation, the recent progress toward the realization of the world first muon linac will be presented.  
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About • Received ※ 14 August 2022 — Revised ※ 21 August 2022 — Accepted ※ 01 September 2022 — Issue date ※ 16 September 2022
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FR1AA04 SARAF Commissioning: Injector, MEBT and Chopper 872
  • J. Dumas, D. Chirpaz, D. Darde, J. Dumas, R.D. Duperrier, G. Ferrand, A. Gaget, F. Gohier, F. Gougnaud, T.J. Joannem, V. Nadot, N. Pichoff, F. Senée, C. Simon, D.U. Uriot, L. Zhao
    CEA-IRFU, Gif-sur-Yvette, France
  • A. Chancé
    CEA, Gif-sur-Yvette, France
  • S. Cohen, I.G. Gertz, N. Goldberger, H. Isakov, B. Kaizer, A. Kreisel, J. Luner, I. Mardor, H. Paami, A. Perry, I. Polikarpov, E. Reinfeld, J. Rodnitsky, I. Shmuely, A. Shor, Y. Solomon, N. Tamim, R. Weiss-Babai, L. Weissman, T. Zchut
    Soreq NRC, Yavne, Israel
  • G. Desmarchelier, N. Solenne
    CEA-DRF-IRFU, France
  IAEC/SNRC (Israel) is constructing an accelerator fa-cility, SARAF, for neutron production. It is based on a linac accelerating 5 mA CW deuteron and proton beam up to 40 MeV. As a first phase, IAEC constructed and operated a linac (SARAF Phase I), from which remains an ECR ion source, a Low-Energy Beam Transport (LEBT) line and a 4-rod RFQ. Since 2015, IAEC and CEA (France) are collaborating in the second phase, consisting in manufacturing of the linac (Figure 1). The injector control-system has been recently updated and the Medium Energy Beam Transport (MEBT) line has been installed and integrated to the infrastructure. It has been partially commissioned during the first semester of 2022. This paper presents the results of the integration, tests and commissioning of the injector and MEBT, be-fore delivery of the cryomodules.  
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slides icon Slides FR1AA04 [2.971 MB]  
DOI • reference for this paper ※  
About • Received ※ 21 August 2022 — Revised ※ 27 August 2022 — Accepted ※ 14 September 2022 — Issue date ※ 15 September 2022
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