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Interim report for the International Muon Collider Collaboration
/ Accettura, C.
The International Muon Collider Collaboration (IMCC) [1] was established in 2020 following the recommendations of the European Strategy for Particle Physics (ESPP) and the implementation of the European Strategy for Particle Physics-Accelerator R&D Roadmap by the Laboratory Directors Group [2], [...]
arXiv:2407.12450 ; CERN-2024-002
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Geneva : CERN, 2024-09-30 - 150.
(CERN Yellow Reports: Monographs ; 2/2024)
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Magnets for a Muon Collider—Needs and Plans
/ Bottura, L (CERN) ; Accettura, C (CERN) ; Amemiya, N (Kyoto U.) ; Auchmann, B (PSI, Villigen) ; Berg, J S (Brookhaven Natl. Lab.) ; Bersani, A (INFN, Genoa) ; Bertarelli, A (CERN) ; Boattini, F (CERN) ; Bordini, B (CERN) ; Borges de Sousa, P (CERN) et al.
We describe the magnet challenges for a Muon Collider, an exciting option considered for the future of particle physics at the energy frontier. Starting from the comprehensive work performed by the US Muon Accelerator Program, we have reviewed the performance specifications dictated by beam physics and the operating conditions to satisfy the accelerator needs. [...]
2024 - 8 p.
- Published in : IEEE Trans. Appl. Supercond. 34 (2024) 1-8
Fulltext: PDF;
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Training Curves of Nb$_3$Sn Rutherford Cables With a Wide Range of Impregnation Materials Measured in the BOX Facility
/ Otten, S. (Twente U., Enschede) ; Kario, A. (Twente U., Enschede) ; Wessel, W.A. J. (Twente U., Enschede) ; Leferink, J. (Twente U., Enschede) ; ten Kate, H.H.J. (Twente U., Enschede) ; Daly, M. (PSI, Villigen) ; Hug, C. (PSI, Villigen) ; Sidorov, S. (PSI, Villigen) ; Brem, A. (PSI, Villigen) ; Auchmann, B. (PSI, Villigen ; CERN) et al.
Training of accelerator magnets is a costly and time consuming process. The number of training quenches must therefore be reduced to a minimum. [...]
arXiv:2211.10213.-
2023-08 - 5 p.
- Published in : IEEE Trans. Appl. Supercond. 33 (2023) 4003605
Fulltext: 2211.10213 - PDF; Publication - PDF;
In : Applied Superconductivity Conference, Honolulu, Hawaii, United States, 23 - 28 Oct 2022, pp.4003605
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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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A Work Proposal for a Collaborative Study of Magnet Technology for a Future Muon Collider
/ Bottura, L. (CERN) ; Aguglia, D. (CERN) ; Auchmann, B. (PSI, Villigen) ; Arndt, T. (KIT, Karlsruhe) ; Beard, J. (LNCMI, Grenoble) ; Bersani, A. (INFN, Genoa) ; Boattini, F. (CERN) ; Breschi, M. (Bologna U.) ; Caiffi, B. (INFN, Genoa) ; Chaud, X. (LNCMI, Grenoble) et al.
In this paper we elaborate on the nature and challenges for the magnet systems of a muon collider as presently considered within the scope of the International Muon Collider Collaboration (IMCC). [...]
arXiv:2203.13998.
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9 p.
eConf - Fulltext
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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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Superconductors for fusion: a roadmap
/ Mitchell, Neil (Euratom, St. Paul Lez Durance) ; Zheng, Jinxing (Hefei, Inst. Plasma Phys.) ; Vorpahl, Christian (EFDA-CSU, Garching) ; Corato, Valentina (ENEA, Frascati) ; Sanabria, Charlie (Unlisted, US) ; Segal, Michael (Unlisted, US) ; Sorbom, Brandon (Unlisted, US) ; Slade, Robert (Unlisted, GB) ; Brittles, Greg (Unlisted, GB) ; Bateman, Rod (Unlisted, GB) et al.
With the first tokamak designed for full nuclear operation now well into final assembly (ITER), and a major new research tokamak starting commissioning (JT60SA), nuclear fusion is becoming a mainstream potential energy source for the future. A critical part of the viability of magnetic confinement for fusion is superconductor technology. [...]
2021 - 57 p.
- Published in : Supercond. Sci. Technol. 34 (2021) 103001
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Inter-strand resistance and AC loss in resin-filler impregnated ReBCO Roebel cables
/ Gao, P (Twente U., Enschede ; Southwest Jiaotong U.) ; Dhallé, M (Twente U., Enschede) ; van Nugteren, B (Twente U., Enschede) ; Norder, H (Twente U., Enschede) ; Kario, A (KIT, Karlsruhe) ; Otten, S (KIT, Karlsruhe) ; Goldacker, W (KIT, Karlsruhe) ; van Nugteren, J (CERN) ; Kirby, G (CERN) ; de Rijk, G (CERN) et al.
In the frame of the EuCARD2 collaboration, aimed at developing the technology for 20 T class accelerator magnets, several demonstrator dipole magnets are being built using high critical current density and fully transposed ReBCO tape-based Roebel-type cables. In accelerator magnets the dynamic magnetic field quality is one of the key parameters, which is affected by the effective inter-strand resistances in the cables. [...]
2019 - 12 p.
- Published in : Supercond. Sci. Technol. 32 (2019) 125002
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