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Transient Behavior of the Second Fusillo Subscale Curved CCT Magnet
/ Wozniak, M (CERN) ; Devred, A (CERN) ; Ferriere, R (CERN) ; Haziot, A (CERN) ; Mangiarotti, F J (CERN) ; Kirby, G (CERN) ; Pentella, M (CERN) ; Petrone, C (CERN) ; Ravaioli, E (CERN) ; Verweij, A (CERN)
The Fusillo project at CERN aims to design and build a demonstrator magnet with multi-harmonic corrected fields in a 90°, curved, Canted-Cosine-Theta magnet. Two subscale magnets are built with 30° bending, about 1/30 of the demonstrator conductor length, and increased current to reach coil stresses equivalent to those of the demonstrator. [...]
2025 - 6 p.
- Published in : IEEE Trans. Appl. Supercond. 35 (2025) 4902206
Fulltext: PDF;
In : Applied Superconductivity Conference (ASC 2024), Salt Lake City, Utah, United States, 1 - 6 Sep 2024, pp.4902206
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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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Manufacturing and Testing of the First Nb3Sn Subscale Stress-Managed Common-Coils: 2-in-1 Dipole Magnet Developed at the Paul Scherrer Institute
/ Araujo, D (PSI, Villigen) ; Auchmann, B (PSI, Villigen ; CERN) ; Brem, A (PSI, Villigen) ; Michlmayr, T (PSI, Villigen) ; Müller, C (PSI, Villigen) ; Stampfli, A (CERN) ; Bonasia, A (CERN) ; Boutboul, T (CERN) ; Fleiter, J (CERN) ; Haziot, A (CERN) et al.
The magnet development (MagDev) laboratory at the Paul Scherrer Institute (PSI) has designed the subscale stress-managed common-coils (subSMCC1) 2-in-1 dipole magnet as part of the CHART (Swiss Accelerator Research and Technology) contribution to the CERN HFM (High-Field Magnet) programme. This R&D; vehicle is part of the CHART/MagDev high-field roadmap. [...]
2025 - 7 p.
- Published in : IEEE Trans. Appl. Supercond. 35 (2025) 4002807
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High Field Magnet Programme -- European Strategy Input
/ Alfonso, L. (INFN, Parma) ; Ambrosio, G. (Fermilab) ; Araujo, D. (PSI, Villigen) ; Arpaia, P. (INFN, Parma) ; Auchmann, B. (PSI, Villigen ; CERN) ; Axensalva, J. (CERN) ; Balconi, L. (INFN, Milan ; Milan U. ; INFN, Parma) ; Ballarino, A. (CERN) ; Barzi, E. (Ohio State U. ; Unlisted) ; Baskys, A. (CERN) et al.
In this submission, we describe research goals, implementation, and timelines of the High Field Magnet Programme, hosted by CERN. [...]
arXiv:2504.16885 ; FERMILAB-PUB-25-0283-TD.
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Fermilab Library Server - Fulltext - Fulltext
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e-book
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Construction and Analysis of a Modified Nb3Sn 11 T Short Dipole Model
/ Cabrera, Carmen Abad (CERN) ; Perini, Diego (CERN) ; Bampton, Tavis Alexander (CERN) ; Bahmane, Oussama Id (CERN) ; Izquierdo Bermudez, Susana (CERN) ; Bourcey, Nicolas (CERN) ; Devred, Arnaud (CERN) ; Vez, Ruth Diaz (CERN) ; Garion, Cedric (CERN) ; Guinchard, Michael (CERN) et al.
The 5.2-m-long, 11 T double-aperture Nb3Sn Dipole
Magnet was designed to replace some of the standard, 15-m-long
8.3 T Nb–Ti main dipole magnets in the Large Hadron Collider.
After the production and test of several of 2-m-long models, the
test of full-length 11 T series magnets revealed signs of performance
degradation in the coil ends after a sequence of electromagnetic and
thermal cycles. The possible sources for performance degradation
were categorized into two groups: issues internal to the coils and
issues with the coil support structure, in particular in the magnet
ends. [...]
2025 - 7 p.
- Published in : IEEE Trans. Appl. Supercond. 35 (2025) 1-7
Fulltext: PDF;
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Performance of a HL-LHC Nb$_3$Sn Quadrupole Magnet in the 100–200 MPa Range of Azimuthal Stress
/ Mangiarotti, F J (CERN) ; Izquierdo Bermudez, S (CERN) ; Devred, A (CERN) ; Diaz Vez, R (CERN) ; Ferradas Troitino, J (CERN) ; Ferradas Troitino, S (CERN) ; Feuvrier, J (CERN) ; Guinchard, M (CERN) ; Haziot, A (CERN) ; Milanese, A (CERN) et al.
With the assembly and test results of four Nb$_\text{3}$Sn short-model quadrupoles (MQXFS) for the High Luminosity Upgrade of the CERN Large Hadron Collider (LHC), an optimum pre-load level was established for the construction of the full-length, series magnets. Successive MQXFS magnets were used as testbeds for potential changes (including pre-load fine tuning) to be implemented in the series, and to better understand the stress dependence of Nb$_\text{3}$Sn magnet performance. [...]
2025 - 7 p.
- Published in : IEEE Trans. Appl. Supercond. 35 (2025) 4000307
Fulltext: PDF;
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Measurement of integrated gradient and field quality on the first Q2 magnets for HL-LHC
/ Fiscarelli, Lucio (CERN) ; Todesco, Ezio (CERN) ; Mangiarotti, Franco (CERN) ; Deferne, Guy (CERN) ; Pentella, Mariano (CERN) ; Rogacki, Piotr (CERN) ; Russenschuck, Stephan (CERN) ; Izquierdo Bermudez, Susana (CERN)
The Q2 insertion quadrupoles for the High Luminosity upgrade of the LHC are currently being produced and tested. The test of the first units provides valuable information about the field quality of superconducting accelerator magnets built from Nb3Sn coils. [...]
2024 - 4 p.
- Published in : JACoW IPAC 2024 (2024) WEPS64
Fulltext: PDF;
In : 15th International Particle Accelerator Conference (IPAC 2024), Nashville, TN, United States, 19 - 24 May 2024, pp.WEPS64
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