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Quench Protection Analysis of 20 T Hybrid Accelerator Dipole Magnets
/ Ravaioli, E (CERN) ; Ambrosio, G (Fermilab) ; Araujo, D (PSI, Villigen) ; D'Addazio, M (LBNL, Berkeley ; Polytech. Turin) ; Ferracin, P (LBNL, Berkeley) ; Gupta, R (Brookhaven Natl. Lab.) ; Marinozzi, V (Fermilab) ; Rochepault, E (IRFU, Saclay ; U. Paris-Saclay) ; Vallone, G (LBNL, Berkeley) ; Verweij, A (CERN) et al.
The US Magnet Development Program is leading an effort to design and manufacture a 20 T accelerator dipole magnet. Various designs are under development featuring cos-theta, block-coil, or common-coil geometries. [...]
FERMILAB-PUB-24-0949-TD.-
2024 - 5 p.
- Published in : IEEE Trans. Appl. Supercond. 35 (2025) 4701005
Fulltext: document - PDF; ca512b4b77b9e4bb2d2a8d74148c7725 - PDF; External link: Fermilab Accepted Manuscript
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Physics-driven lumped-element modelling for impedance simulations of superconducting accelerator magnets
/ Janitschke, M (CERN ; U. Rostock) ; Bednarek, M (CERN) ; Ravaioli, E (CERN) ; Verweij, A P (CERN) ; Willering, G (CERN) ; van Rienen, U (U. Rostock)
Superconducting magnets in particle accelerators are subject to various forces, radiation, high voltages, or thermal gradients. These can cause failures such as inter-turn shorts, which can be very challenging to detect after the magnets are installed in the accelerator. [...]
2024 - 22 p.
- Published in : Supercond. Sci. Technol. 38 (2025) 015013
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Magnetic and Mechanical Design of the Large Aperture HTS Superconducting Dipoles for the Accelerator Ring of the Muon Collider
/ Levi, F (INFN, Genoa) ; Alfonso, L (INFN, Genoa) ; Balconi, L (INFN, Milan ; Milan U.) ; Bersani, A (INFN, Genoa) ; Bottura, L (CERN) ; Caiffi, B (INFN, Genoa) ; Fabbri, S (CERN) ; Farinon, S (INFN, Genoa) ; Gagno, A (INFN, Genoa ; Genoa U.) ; Maiello, T (INFN, Genoa ; Genoa U.) et al.
To further explore the physics beyond the capabilities of the LHC and its High-Luminosity Upgrade (HL-LHC), particle physicists are studying advanced accelerators in order to perform finer measurements and/or reach higher energies. Upon the recommendation of the Updated European Strategy for Particle Physics (ESPP), an International Muon Collider Collaboration has been established to investigate the feasibility of a muon collider facility with a center-of-mass energy of 10 TeV. [...]
2025 - 5 p.
- Published in : IEEE Trans. Appl. Supercond. 35 (2025) 4000905
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Conceptual Structural Design and Analysis of a 20 T Hybrid Cosθ Dipole for Future Particle Colliders
/ D'Addazio, Marika (Turin Polytechnic ; LBL, Berkeley) ; Ferracin, Paolo (LBL, Berkeley) ; Marinozzi, Vittorio (Fermilab) ; Ravaioli, Emmanuele (CERN) ; Vallone, Giorgio (LBL, Berkeley) ; Savoldi, Laura (Turin Polytechnic ; INFN, Genoa)
To reach high collision energy for future high-energy particle colliders, like the Future Circular Collider (FCC) or the Muon Collider, it is required to achieve high field strength of the bending dipoles. Currently, the practical limit for Nb3 Sn technology is around 16 T and, in order to further increase the magnetic field, the superconducting magnet community is considering High Temperature Superconductors (HTS), in particular Bi-2212 and REBCO conductors. [...]
FERMILAB-PUB-25-0068-TD.-
2025 - 5 p.
- Published in : IEEE Trans. Appl. Supercond. 35 (2025) 4000505
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Advancements in Nb3Sn 12 T Cos-Theta Dipole Development for Next-Generation Accelerators: The INFN-CERN Collaboration on the FalconD Project
/ Farinon, Stefania (INFN, Genoa) ; Sala, Nicola (INFN, Genoa) ; Alfonso, Luca (INFN, Genoa) ; Beneduce, Enrico (LASA, Segrate ; Milan U.) ; Bersani, Andrea (INFN, Genoa) ; Caiffi, Barbara (INFN, Genoa) ; Cannavò, Massimiliano (LASA, Segrate ; Milan U.) ; Crespi, Gabriele (LASA, Segrate) ; Dotti, Simone (LASA, Segrate) ; Foussat, Arnaud (CERN) et al.
Research for next-generation accelerators necessitates the development of high-field bending dipoles, which are critical for achieving precise beam control and optimizing efficiency. Among the promising superconducting materials is Nb3Sn, which has already demonstrated its effectiveness in accelerator magnets, such as the MQXF quadrupoles used in the high-luminosity upgrade of the LHC. [...]
2025 - 5 p.
- Published in : IEEE Trans. Appl. Supercond. 35 (2025) 4001905
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Preliminary Electromagnetic and Mechanical Design of a Cos θ- Dipole for the Muon Collider Study
/ Mariani, Francesco (CERN ; INFN, Milan) ; Alfonso, Luca (INFN, Genoa) ; Bersani, Andrea (INFN, Genoa) ; Bottura, Luca (CERN) ; Caiffi, Barbara (INFN, Genoa) ; Farinon, Stefania (Milan U.) ; Mariotto, Samuele (INFN, Milan ; Milan U.) ; Novelli, Daniel (U. Rome La Sapienza (main) ; INFN, Genoa) ; Pampaloni, Alessandra (INFN, Genoa) ; Salmi, Tiina (Tampere U.) et al.
Within the framework of the International Muon Collider Collaboration (IMCC), an innovative feasibility study on a Muon Collider accelerator complex is currently under development, granted by the European Union through Agreement 101094300. The proposed goal aims to develop a 10 km collider ring accelerating muons at approximately 10 TeV in the center-of-mass frame. [...]
2025 - 5 p.
- Published in : IEEE Trans. Appl. Supercond. 35 (2025) 4000805
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Continuous Diagnostics for Powered Superconducting Circuits
/ Podzorny, T (CERN) ; Bednarek, M J (CERN) ; Christensen, M B B (CERN ; Aalborg U.) ; Calcoen, D (CERN) ; Denz, R (CERN) ; Ludwin, J (Cracow, INP) ; Steckert, J (CERN) ; Uythoven, J (CERN)
Monitoring the electrical properties of superconducting devices in their unpowered state has proven essential for commissioning and fault diagnosis during LHC machine operation. Furthermore, continuous diagnostics of powered superconducting circuits in an operational or test environment has the potential to further improve the understanding of existing and possibly ageing facilities. [...]
2025 - 5 p.
- Published in : IEEE Trans. Appl. Supercond. 35 (2025) 4700105
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