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Magnetic Design of a Compact GaToroid for Very High Energy Electron and Pre-Clinical Hadron Beams
/ Bottura, L (CERN) ; Haziot, A (CERN) ; Latina, A (CERN) ; Both, S (Groningen U.) ; Gerbershagen, A (Groningen U.) ; Butler, Ch (Oxford U.) ; Dosanjh, M (Oxford U.) ; Leadley, S (Oxford U.) ; Robertson, C (Oxford U.)
GaToroid is a novel configuration of a beam delivery system for charged particles therapy based on a steady-state, axis-symmetric field configuration. The basic idea is to use fixed toroidal magnets, producing an axis-symmetric (or periodical axis-symmetric) field configuration that can bend beams from several directions onto the patient location. [...]
2024 - 5 p.
- Published in : IEEE Trans. Appl. Supercond. 34 (2024) 4403005
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Electrical Simulations of the SIS100 Superconducting Dipole and Quadrupole Circuits: Transients, Earthing and Failure Modes
/ Szwangruber, P B (Darmstadt, GSI) ; Raginel, V (Darmstadt, GSI) ; Delkov, D (Ilmenau Tech. U.) ; Ravaioli, E (CERN) ; Plyusnin, V (Darmstadt, GSI) ; Michna, M (Gdansk Tech. U.) ; Wilk, A (Gdansk Tech. U.) ; Wołoszyk, M (Gdansk Tech. U.) ; Freisleben, W (Darmstadt, GSI) ; Dziewiecki, M (Darmstadt, GSI) et al.
The 100 Tm superconducting synchrotron SIS100 is the main accelerator of the international Facility for Antiproton and Ion Research (FAIR) currently under advanced construction in Darmstadt, Germany. The SIS100 dipole circuit which creates the magnetic field required to bend the beam, consists of 108 dipoles distributed over six arc sections of the ring. [...]
2024 - 5 p.
- Published in : IEEE Trans. Appl. Supercond. 34 (2024) 4903805
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Proof-of-Principle of an Energy-Efficient, Iron-Dominated Electromagnet for Physics Experiments
/ Devred, A (CERN) ; Ballarino, A (CERN) ; Bourcey, N (CERN) ; Mangiarotti, F (CERN) ; Milanese, A (CERN) ; Petrone, C (CERN)
A number of physics experiments call for the use of iron-dominated, normal-conducting electromagnets to produce moderate fields (2 T range) in a large gap or over a large volume. Although robust and reliable, these magnets require significant electrical power, in the MW range, and can thus be costly to operate, especially in DC mode. [...]
2024 - 7 p.
- Published in : IEEE Trans. Appl. Supercond. 34 (2024) 4902007
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Quench Protection of Fusillo Subscale Curved CCT Magnet
/ Wozniak, M (CERN) ; Haziot, A (CERN) ; Mangiarotti, F J (CERN) ; Ravaioli, E (CERN) ; Ferriere, R (CERN) ; Guardia-Valenzuela, Jorge (CERN) ; Foussat, A P (CERN) ; Kirby, G (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 CCT magnet. In the first stage, a subscale magnet is built with 30° bending, about 1/30 of the demonstrator conductor length, and increased current to reach coil stresses equivalent to the demonstrator. [...]
2024 - 5 p.
- Published in : IEEE Trans. Appl. Supercond. 34 (2024) 4702805
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Modeling Results of the Quench Behavior of a Nb-Ti Canted-Cosine-Theta Corrector Magnet for LHC
/ Bagni, T (Uppsala U.) ; Ahl, A (Scanditronix Instrument, Uppsala) ; Almström, M (Linnaeus U.) ; Canale, M (CERN) ; Dugic, I (Linnaeus U.) ; Emilsson, F (AMACC, Uppsala) ; Gentini, L (CERN) ; Haralanova, V (Linnaeus U.) ; Johansson, M (Unlisted, SE) ; Karlsson, G (Linnaeus U.) et al.
A newly designed superconducting magnet of the Canted-Cosine-Theta (CCT) type was developed as a result of a collaboration between Swedish universities (Uppsala and Linneaus) and Swedish industries. This magnet was designed to function as a replacement of the present LHC orbit corrector magnets, which are approaching their end of life due to the radiation load. [...]
2024 - 5 p.
- Published in : IEEE Trans. Appl. Supercond. 34 (2024) 4001105
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Validating the Physics-Driven Lumped-Element Model of the LHC Main Dipole Magnet
/ Janitschke, M (CERN ; U. Rostock) ; Bednarek, M (CERN) ; Ravaioli, E (CERN) ; Verweij, A P (CERN) ; Willering, G (CERN) ; Wozniak, M (CERN) ; van Rienen, U (U. Rostock)
Measuring the complex impedance of a superconducting magnet as a function of frequency provides valuable insight into its electrodynamics. In particular, the characteristic features of some non-conform behaviour, such as an insulation fault, may be easier to assess when performing impedance measurements rather than observing time-domain signals. [...]
2024 - 5 p.
- Published in : IEEE Trans. Appl. Supercond. 34 (2024) 4004405
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Curved-Canted-Cosine-Theta (CCCT) Dipole Prototype Development at CERN
/ Haziot, Ariel (CERN) ; Kirby, Glyn (CERN) ; Dallocchio, Alessandro (CERN) ; Devred, Arnaud (CERN) ; Foussat, Arnaud (CERN) ; Gentini, Luca (CERN) ; Mangiarotti, Franco J (CERN) ; Pentella, Mariano (CERN) ; Petrone, Carlo (CERN) ; Pincot, Francois-Olivier (CERN) et al.
Due to its flexibility in generating advanced field harmonic corrections and potential for low cost compared to traditional designs, the Canted Cosine Theta (CCT) configuration is particularly interesting for compact particle accelerators and gantries for medical applications. This article presents the design of a curved demonstrator named Fusillo, a Canted Cosine Theta Nb-Ti dipole magnet that is being developed at CERN, featuring a large aperture of 236 mm, a small bending radius of 1 m, a bending angle of 90$^{\circ }$, and multi-harmonic field correction, with a 3.61 T conductor peak field. [...]
2024 - 8 p.
- Published in : IEEE Trans. Appl. Supercond. 34 (2024) 4002608
Fulltext: PDF;
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