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1.
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Conceptual Design of an HTS Canted Cosine Theta Dipole Magnet for Research and Hadron Therapy Accelerators
/ De Matteis, E (INFN, Milan) ; Ballarino, A (CERN) ; Barna, D (Wigner RCP, Budapest) ; Carloni, A (INFN, Milan) ; Echeandia, A (Elytt, Madrid) ; Kirby, G (CERN) ; Lecrevisse, T (Saclay) ; Lucas, J (Elytt, Madrid) ; Mariotto, S (INFN, Milan) ; van Nugteren, J et al.
The European project IFAST's WP8 Innovative Superconducting Magnets aims to develop the technology of Canted Cosine Theta (CCT) magnets wound with High-Temperature Superconductors (HTS). Superconducting magnets could lower the size and cost of synchrotrons and gantries for research and hadron therapy. [...]
2024 - 5 p.
- Published in : IEEE Trans. Appl. Supercond. 34 (2024) 4402505
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2.
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Effective Time Constants at 4.2 to 70 K in ReBCO Pancake Coils With Different Inter-Turn Resistances
/ Nes, T H (Twente U., Enschede ; CERN) ; Rijk, G De (CERN) ; Kirby, G (CERN) ; Pincot, F O (CERN) ; Liberadzka-Porret, J (CERN) ; Petrone, C (CERN) ; Richter, S C (CERN) ; van Nugteren, J (CERN) ; Kario, A (Twente U., Enschede) ; Ten Kate, H H J (Twente U., Enschede)
For future
Re
BCO tape based accelerator magnets it is proposed to use no- or partial inter-turn insulation to deal with quench detection and protection. In a non-insulated coil the turns are separated by a finite electrical resistance, providing a bypass for the current at hot-spots, improving thermal stability and quench detection time. [...]
2022 - 6 p.
- Published in : IEEE Trans. Appl. Supercond. 32 (2022) 4600806
In : 15th European Conference on Applied Superconductivity (EUCAS 2021), Online, 5 - 9 Sep 2021, pp.4600806
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3.
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Design of a Cloverleaf-Racetrack Dipole Demonstrator Magnet With Dual $Re$BCO Conductor
/ Nes, T.H. (Twente U., Enschede ; CERN) ; Kirby, G (CERN) ; de Rijk, G (CERN) ; Canale, M (CERN) ; Gentini, L (CERN) ; van Nugteren, J (CERN) ; Kario, A (Twente U., Enschede) ; ten Kate, H.H.J. (Twente U., Enschede)
For future 20+ T accelerator type magnets,
Re
BCO superconductors are ideal for their high current density in high magnetic field. At CERN, demonstrator dipole magnets using
Re
BCO conductor are being developed in order to study their feasibility. [...]
2022 - 5 p.
- Published in : IEEE Trans. Appl. Supercond. 32 (2022) 4002105
In : 27th International Conference on Magnet Technology (MT-27), Fukuoka, Japan, 15 - 19 Nov 2021, pp.4002105
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4.
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5.
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High-temperature superconducting screens for magnetic field-error cancellation in accelerator magnets
/ Bortot, L. (CERN ; Darmstadt, Tech. U.) ; Mentink, M. (CERN) ; Petrone, C. (CERN) ; Van Nugteren, J. (CERN) ; Deferne, G. (CERN) ; Koettig, T. (CERN) ; Kirby, G. (CERN) ; Pentella, M. (CERN ; Turin Polytechnic) ; Perez, J.C. (CERN) ; Pincot, F.O. (CERN) et al.
Accelerators magnets must have minimal magnetic field imperfections for reducing particle-beam instabilities. In the case of coils made of high-temperature superconducting (HTS) tapes, the field imperfections from persistent currents need to be carefully evaluated. [...]
arXiv:2103.14354.-
2021-08-26 - 11 p.
- Published in : Supercond. Sci. Technol. 34 (2021) 105001
Fulltext: PDF;
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6.
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Test of the First Full-Length Prototype of the HL-LHC D2 Orbit Corrector Based on Canted Cosine Theta Technology
/ Mangiarotti, Franco J (CERN) ; Duda, Michal (Cracow, INP ; CERN) ; Fiscarelli, Lucio (CERN) ; Kirby, Glyn (CERN) ; Bajko, Marta (CERN) ; Coll, Dominic (Unlisted, GB) ; Desbiolles, Vincent ; Feuvrier, Jerome (CERN) ; Guyon, Jean-Luc (CERN) ; Mazet, Jacky (CERN) et al.
In the context of CERN's high-luminosity upgrade project (HL-LHC) for the Large Hadron Collider (LHC), a new double aperture beam orbit corrector magnets will be installed near the recombination dipole (D2). These 2.2 m long NbTi dipoles are built with the canted cosine theta (CCT) technique. [...]
2020 - 5 p.
- Published in : IEEE Trans. Appl. Supercond. 30 (2020) 4000505
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7.
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Preliminary Integration for Testing HTS Feather-M2 in the FRESCA2 Dipole Magnet
/ Martins Araujo, Douglas (CERN) ; Kirby, Glyn (CERN) ; Van Nugteren, Jeroen (CERN) ; Murtomaki, Jaakko (CERN) ; Ferracin, Paolo (CERN) ; de Rijk, Gijs (CERN) ; Perez, Juan (CERN) ; Willering, Gerard (CERN) ; Canale, Matthieu (CERN)
In 2018, FRESCA2 magnet, developed within a collaboration between CEA and CERN to provide a background field for tests of cables and small coils, reached a field of 14.6 T. This represents a new record field for dipole magnets with a clear aperture. [...]
2020 - 5 p.
- Published in : IEEE Trans. Appl. Supercond. 30 (2020) 4003605
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8.
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Numerical Analysis of the Screening Current-Induced Magnetic Field in the HTS Insert Dipole Magnet Feather-M2.1-2
/ Bortot, Lorenzo (CERN ; Darmstadt, Tech. U.) ; Mentink, Matthias (CERN) ; Petrone, Carlo (CERN) ; Van Nugteren, Jeroen (CERN) ; Kirby, Glyn (CERN) ; Pentella, Mariano (CERN ; Polytech. Turin) ; Verweij, Arjan (CERN) ; Schöps, Sebastian (Darmstadt, Tech. U.)
Screening currents are field-induced dynamic phenomena which occur in superconducting materials, leading to persistent magnetization. Such currents are of importance in ReBCO tapes, where the large size of the superconducting filaments gives rise to strong magnetization phenomena. [...]
arXiv:2005.09467.-
2020-10-30 - 14 p.
- Published in : Supercond. Sci. Technol. 33 (2020) 125008
Fulltext: PDF; Fulltext from publisher: PDF;
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9.
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10.
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Magnetic Design of a Superconducting Toroidal Gantry for Hadron Therapy
/ Felcini, Enrico (CERN) ; Bottura, Luca (CERN) ; van Nugteren, Jeroen (CERN) ; de Rijk, Gijs (CERN) ; Kirby, Glyn (CERN) ; Dutoit, Bertrand (Ecole Polytechnique, Lausanne)
Hadron and proton therapy are cutting edge techniques for cancer treatment and a great development of specialized medical centers and research facilities is foreseen in the next decades. One of the main obstacles to the penetration of the use of charged particles for therapy is the construction of complex and expensive accelerating structures and rotating transfer lines, i.e., gantries, able to bend and focus the beam down to the patient. [...]
2020 - 5 p.
- Published in : IEEE Trans. Appl. Supercond. 30 (2020) 4400405
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