2025-07-15
06:44 |
Design of a multipurpose test facility (MTF) for HTS cables
/ Ballarino, Amalia (CERN) ; Barth, Christian (CERN) ; Masci, Marco (CERN) ; Perini, Diego (CERN)
The High Field Magnet (HFM) program foresees, among others, the systematic measurement and assessment of mechanical, thermal, and electrical properties of high temperature superconductors (HTS) cables. These measurements are a key factor to characterize the conductor, verify its performance and control the production quality. [...]
2025 - 6 p.
- Published in : IOP Conf. Ser. Mater. Sci. Eng.: 1327 (2025) , no. 1, pp. 012213
Fulltext: PDF;
In : 29th International Cryogenic Engineering Conference and International Cryogenic Materials Conference 2024, Geneva, Switzerland, 22 - 26 July 2024, pp.012213
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2025-07-15
06:44 |
Thermomechanical properties of epoxy and wax matrix composites for superconducting magnets
/ Bertsch, Jacob (CERN) ; Scheuerlein, Christian (CERN) ; Wiker, Petter (CERN ; Norwegian U. Sci. Tech.) ; Parragh, David (CERN) ; Echtermeyer, Andreas (Norwegian U. Sci. Tech.) ; Piccin, Roland (CERN)
Thermomechanical properties of epoxy resin systems and paraffin wax for the vacuum impregnation of superconducting magnet coils have been studied at ambient and at cryogenic temperatures. Parameters for the thermomechanical modelling of isotropic pure resins and anisotropic S2 glass fibre reinforced composites, and their stress limits under uniaxial tensile, bending and shear loading have been determined..
2025 - 6 p.
- Published in : IOP Conf. Ser. Mater. Sci. Eng.: 1327 (2025) , no. 1, pp. 012204
Fulltext: PDF;
In : 29th International Cryogenic Engineering Conference and International Cryogenic Materials Conference 2024, Geneva, Switzerland, 22 - 26 July 2024, pp.012204
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2025-07-15
06:44 |
An updated HL-LHC halo population model based on recent experimental measurements
/ Rakic, Milica (CERN ; Ecole Polytechnique, Lausanne) ; Hermes, Pascal Dominik (CERN) ; Redaelli, Stefano (CERN)
The transverse beam halo population in the Large Hadron Collider (LHC) has been found to carry a significant fraction of the total stored beam energy, potentially reaching several percent. With the anticipated increase in beam brightness for the High Luminosity LHC (HL-LHC), this poses an increasing risk to machine safety, particularly during abrupt orbit shifts or critical component failures. [...]
2025 - 4 p.
- Published in : 10.18429/JACoW-IPAC25-WEPS110
Fulltext: PDF; External link: JACoW
In : International Particle Accelerator Conference (IPAC'25), Taipei, Taiwan, 1-6 June 2025, pp.2396-2399
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2025-07-15
06:44 |
Thermomechanical properties and irradiation induced aging of SLA and FDM 3D printed high performance polymers
/ Scheuerlein, Christian (CERN) ; Parragh, David Mate (CERN) ; Vielhauer, Julia (CERN) ; Gaarud, Anders (CERN) ; Martin, Noemie (CERN) ; Piccin, Roland (CERN)
The thermomechanical properties of 3D printed polymers for potential use in superconducting devices have been compared. The FDM printed thermoplastics PEEK and ULTEM 9085 exhibit strongly anisotropic properties, with very high mechanical strength and fracture toughness in the flat and on edge printing directions, but much lower strength and toughness in the upright position. [...]
2025 - 6 p.
- Published in : IOP Conf. Ser. Mater. Sci. Eng.: 1327 (2025) , no. 1, pp. 012209
Fulltext: PDF;
In : 29th International Cryogenic Engineering Conference and International Cryogenic Materials Conference 2024, Geneva, Switzerland, 22 - 26 July 2024, pp.012209
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2025-07-15
04:55 |
Optimizing superconducting Nb film cavities by mitigating medium-field $Q$-slope through annealing
/ Abdisatarov, B. (Old Dominion U. (main) ; AMAC Intl., Newport News ; Fermilab) ; Eremeev, G. (Fermilab) ; Elsayed-Ali, H.E. (Old Dominion U. (main) ; AMAC Intl., Newport News) ; Bafia, D. (Fermilab) ; Murthy, A. (Fermilab) ; Sung, Z. (Fermilab) ; Netepenko, A. (Fermilab) ; Romanenko, A. (Fermilab) ; Carlos, C.P.A. (CERN) ; Rosaz, G.J. (CERN) et al.
Niobium films are of interest in applications in various superconducting devices, such as superconducting radiofrequency cavities for particle accelerators and superconducting qubits for quantum computing. In this study, we addressed the persistent medium-field Q-slope issue in Nb film cavities, which, despite their high-quality factor at low RF fields, exhibit a significant Q-slope at medium RF fields compared to bulk Nb cavities. [...]
arXiv:2507.08638; FERMILAB-PUB-25-0017-SQMS-TD-V.-
2025-06-26 - 12 p.
- Published in : Supercond. Sci. Technol. 38 (2025) 075006
Fulltext: 2507.08638 - PDF; a97bac546fcf41977752154d510e5e84 - PDF; Fulltext from Publisher: PDF; External link: Fermilab Accepted Manuscript
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2025-07-11
06:02 |
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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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2025-07-09
17:18 |
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2025-07-09
11:45 |
FCC-ee cavities RF power coupler: study on the optimal cooling strategy to boost the cryomodule energy efficiency
/ Canderan, K (CERN) ; Parma, V (CERN)
The RF fundamental power coupler (FPC) in SRF accelerating systems can have a major contribution to the cryogenic power consumption. In the framework of the FCC feasibility study, the focus on the energy saving is of primary importance given the size of the machine, with 264 cavities at 400 MHz and 488 cavities at 800 MHz for the collider, and 600 cavities at 800 MHz for the booster, at the ttbar working point. [...]
2025 - 6 p.
- Published in : IOP Conf. Ser. Mater. Sci. Eng.: 1327 (2025) , no. 1, pp. 012183
Fulltext: PDF;
In : 29th International Cryogenic Engineering Conference and International Cryogenic Materials Conference 2024, Geneva, Switzerland, 22 - 26 July 2024, pp.012183
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2025-07-09
11:45 |
Machine Learning Framework for Anomaly Detection and Maintenance Optimization in Large-Scale Cryogenic Systems
/ Cacace, Paolo (CERN ; Rome U.) ; Santos, Diogo R (CERN) ; Giusti, Lorenzo (CERN) ; Ferrand, Frederic (CERN) ; Junker, Steffen (CERN) ; Conan, Lionel (CERN) ; Serio, Luigi (CERN)
This work presents a machine learning framework designed for anomaly detection and prescriptive maintenance tested on the helium compression system installed at CERN. The Large Hadron Collider (LHC) features an extensive cryogenic infrastructure, essential for its operation. [...]
2025 - 6 p.
- Published in : IOP Conf. Ser. Mater. Sci. Eng.: 1327 (2025) , no. 1, pp. 012030
Fulltext: PDF;
In : 29th International Cryogenic Engineering Conference and International Cryogenic Materials Conference 2024, Geneva, Switzerland, 22 - 26 July 2024, pp.012030
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2025-07-09
11:45 |
Adhesion analysis of epoxy resin impregnation systems for Nb$_{3}$Sn superconducting magnets
/ Verma, Bharti (CERN) ; Piccin, Roland (CERN) ; Tommasini, Davide (CERN) ; Santillana, Ignacio Avilles (CERN)
The mechanical properties of Nb$_{3}$Sn coils are strongly influenced by the adhesion between the impregnation resin and the coil constituents, which may impact the magnets’ performance. To improve the understanding of the parameters governing the adhesion in such superconducting magnets, a study was conducted on several impregnation systems with respect to different coil parts, notably copper, stainless steel, aluminium, and glass fibre. [...]
2025 - 6 p.
- Published in : IOP Conf. Ser. Mater. Sci. Eng.: 1327 (2025) , no. 1, pp. 012208
Fulltext: PDF;
In : 29th International Cryogenic Engineering Conference and International Cryogenic Materials Conference 2024, Geneva, Switzerland, 22 - 26 July 2024, pp.012208
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