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Challenges and Perspectives of the Superconducting Magnets for the Muon Collider Storage Ring
/ Caiffi, Barbara (INFN, Genoa) ; Alfonso, Luca (INFN, Genoa) ; Bersani, Andrea (INFN, Genoa) ; Bottura, Luca (CERN) ; Farinon, Stefania (INFN, Genoa) ; Gagno, Andrea (INFN, Genoa) ; Levi, Filippo (INFN, Genoa) ; Mariani, Francesco (Milan Bicocca U. ; LASA, Segrate) ; Mariotto, Samuele (Milan Bicocca U. ; LASA, Segrate) ; Musenich, Riccardo (INFN, Genoa) et al.
The International Muon Collider Collaboration (IMCC) has been formed with the aim of delivering a feasibility study on a Muon Collider facility, as recommended by the European Strategy for Particle Physics and supported by the European Union through the Grant Agreement 101094300. Such facility would allow to study frontier physics with a 10 km collider ring and a muon center of mass energy of 10 TeV. [...]
2025 - 7 p.
- Published in : IEEE Trans. Appl. Supercond. 35 (2025) 4002007
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Magnet R&D; for the Muon Collider -- European Strategy Input
/ Bottura, L (CERN) ; Auchmann, B (CERN) ; Boattini, F (CERN) ; Bordini, B (CERN) ; Caiffi, B ; Cooley, L (CERN) ; Fabbri, S (CERN) ; Gourlay, S (CERN) ; Mariotto, S (CERN) ; Nakamoto, T (CERN) et al.
The Muon Collider, proposed under the International Muon Collider Collaboration (IMCC), represents a groundbreaking advancement in circular collider technology. [...]
EDMS: 3284315 ; arXiv:2503.21185.
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2025 - 11.
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Futur collisionneur circulaire—Rapport d’étude de faisabilité, volume 3 : Génie civil, implantation et durabilité
/ Benedikt, M. (CERN) ; Zimmermann, F. (CERN) ; Auchmann, B. (CERN ; PSI, Villigen) ; Bartmann, W. (CERN) ; Burnet, J.P. (CERN) ; Carli, C. (CERN) ; Chancé, A. (IRFU, Saclay) ; Craievich, P. (PSI, Villigen) ; Giovannozzi, M. (CERN) ; Grojean, C. (DESY ; Humboldt U., Berlin) et al.
CERN-FCC-ACC-2025-0003-FR.-
Geneva : CERN, 2025-03 - 357 p.
- Published in : 10.17181/CERN.WE26.NJC0
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Development of a ReBCO Non/Metal-Insulated 40 T Solenoid for a Muon Collider
/ Bordini, B (CERN) ; Accettura, C (CERN) ; Bertarelli, A (CERN) ; Bottura, L (CERN) ; Dudarev, A (CERN) ; Hafiz, M A (CERN) ; Kolehmainen, A (CERN) ; Mulder, T (CERN) ; Rinaldoni, D (CERN) ; Sanda, F (CERN) et al.
In the quest to explore the fundamental properties of particles at the energy frontier, the International Muon Collider Collaboration (IMCC) has made significant progress in the conceptual design study of a Muon Collider (MC). Central to this effort is the development of the various MC's magnet systems, particularly the Ultra-High-Field (UHF) solenoids needed for the MC final cooling stage. [...]
2025 - 5 p.
- Published in : IEEE Trans. Appl. Supercond. - Published in : IEEE Trans. Appl. Supercond.
In : Applied Superconductivity Conference (ASC 2024), Salt Lake City, Utah, United States, 1 - 6 Sep 2024, pp.4605705
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Analytical Estimation of Quench Protection Limits in Insulated, Non-Insulated, and Metal-Insulated ReBCO Accelerator Dipoles and Quadrupoles
/ Salmi, Tiina (Tampere U.) ; Bersani, Andrea (INFN, Genoa) ; Bottura, Luca (CERN) ; Caiffi, Barbara (INFN, Genoa) ; Farinon, Stefania (INFN, Genoa) ; Mariotto, Samuele (INFN, Milan) ; Novelli, Daniel (INFN, Genoa)
Future particle accelerators require high-field dipole and quadrupole magnets to guide the particles inside the collider ring. Magnets based on High-Temperature Superconductors (HTS) allow operation with higher magnetic field and higher operation temperature compared with the Low-Temperature Superconductor (LTS) based options. [...]
2025 - 5 p.
- Published in : IEEE Trans. Appl. Supercond. - Published in : IEEE Trans. Appl. Supercond.
Fulltext: PDF;
In : Applied Superconductivity Conference (ASC 2024), Salt Lake City, Utah, United States, 1 - 6 Sep 2024, pp.4604705
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Result of Powering and Field Measurements on the GaToroid Demonstrator
/ Bottura, L (CERN) ; Breschi, M (CERN) ; Haziot, A (Bologna U.) ; Lehtinen, T (CERN) ; Liebsch, M (CERN) ; Mangiarotti, F J (CERN) ; Pentella, M (CERN) ; Perez, J C (CERN) ; Petrone, C (CERN) ; Sedlak, K (Ecole Polytechnique, Lausanne) et al.
GaToroid is a novel idea of a steady-state, toroidal magnet that directs multiple charged particle beams for hadron or electron therapy without rotating parts or magnet ramping. GaToroid has the potential of conformal radiotherapy with a configuration that can be simpler and lighter than conventional rotating gantries, also offering FLASH capability well beyond what is presently possible. [...]
2025 - 5 p.
- Published in : IEEE Trans. Appl. Supercond. 35 (2025) 4400605
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Elasticity, Plasticity, and Fracture Toughness of REBCO Coated Conductors Characterized via Micromechanical Tests at Room Temperature
/ Vernassa, G (CERN ; St. Etienne, Ecole des Mines) ; Rusinowicz, M (St. Etienne, Ecole des Mines) ; Kalácska, S (St. Etienne, Ecole des Mines) ; Sao-Joao, S (St. Etienne, Ecole des Mines) ; Bottura, L (CERN) ; Felice, H (IRFU, SPP, Saclay) ; Bordini, B (CERN) ; Bergheau, J M (CNRS, France) ; Kermouche, G (St. Etienne, Ecole des Mines)
REBCO, the leading candidate conductor for ultra high field magnets, is typically produced in the form of thin tapes, consisting of multiple layers of diverse materials with very different natures and properties. Knowledge of the mechanical properties of these different layers is crucial for magnet design. [...]
2025 - 7 p.
- Published in : IEEE Trans. Appl. Supercond. 35 (2025) 8400407
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Thermo-Electromagnetic Design, Operation, and Protection Simulations of a 40 T HTS NI Final Cooling Solenoid for a Muon Collider
/ Mulder, Tim (CERN) ; Vernassa, Gianluca (CERN ; St. Etienne, Ecole des Mines) ; Teichröb, Leon (CERN) ; Bordini, Bernardo (CERN) ; de Sousa, Patricia Borges (CERN) ; Dudarev, Alexey (CERN) ; Wozniak, Mariusz (CERN) ; Verweij, Arjan (CERN) ; Bottura, Luca (CERN)
The final stage of the cooling channel of a muon collider contains several cooling cells, each requiring a very high-field solenoid. Such a so-called ‘final cooling’ solenoid is key in strongly reducing the emittance of the beam during pre-acceleration and subsequent injection of the beam into the collider ring. [...]
2025 - 5 p.
- Published in : IEEE Trans. Appl. Supercond. 35 (2025) 4602805
Fulltext: PDF;
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Characteristic Timescales for the Operation of HTS CICCs in Compact Fusion Reactors
/ Breschi, Marco (Bologna U.) ; Savoldi, Laura (Polytech. Turin ; INFN, Genoa ; CERN) ; Cavallucci, Lorenzo (Bologna U. ; INFN, Bologna) ; Bottura, Luca (CERN)
In this work we address the shift from Low Temperature Superconductor (LTS) to High Temperature Superconductor (HTS) magnets presently occurring in the development of machines for controlled thermonuclear fusion with magnetic confinement. This shift implies several new challenges, which cannot be ignored in the design and modelling of the future HTS magnets. [...]
2025 - 5 p.
- Published in : IEEE Trans. Appl. Supercond. 35 (2025) 4202605
In : Applied Superconductivity Conference (ASC 2024), Salt Lake City, Utah, United States, 1 - 6 Sep 2024, pp.4202605
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Advances in magnet and shielding designs for fusion and high energy physics applications
/ Giannini, L (Unlisted, DE) ; Luongo, C (Unlisted, DE) ; Bottura, L (CERN) ; Bordini, B (CERN) ; Lechner, A (CERN) ; Kolehmainen, A (CERN) ; Leichtle, D (KIT, Karlsruhe, TTP) ; Portone, A (Virginia Tech.) ; Testoni, P (Virginia Tech.) ; Bajari, J (Unlisted, DE) et al.
This paper introduces the work scope of a collaboration among EUROfusion, CERN, and F4E to create models and design tools applicable both for fusion devices and muon accelerator magnets. The study described here is motivated by the commonality in challenges to design magnets and radiation shields applicable to compact fusion machines to serve as neutron source, and future high-energy physics experiments such as the muon collider or high intensity neutrino factories. [...]
2025 - 5 p.
- Published in : Fusion Eng. Des. 214 (2025) 114899
In : 33rd Symposium on Fusion Technology, Dublin, Ireland, 23 - 27 Sep 2024, pp.114899
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