Design and Test of a Curved Canted–Cosine–Theta Superconducting Dipole Magnet for Next Generation Ion Therapy

Zhang, Xu; Yang, Wenjie; Liang, Y. T.; Ma, Lizhen; Wei, Yueguang; Mei, Enming; Ou, Xianjin; Tong, Y.P.; Ni, Dongsheng; Lu, Jiaqi; Bai, Biaokun; Yang, Yanbing; Qin, Xiangqi; Wu, Wei

doi:10.1109/tasc.2023.3272576

Cited by 7 publications

(1 citation statement)

References 17 publications

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“…Moreover, they have the potential to easily generate combined function fields, as required for large momentum acceptance beam optics in curved systems. For this reason, curved CCT magnets are an attractive solution as bending magnets in compact ion therapy gantry systems [11], [12], [13] or in compact accelerator rings such as the Isolde Superconducting Recoil Separator (ISRS) [14], [15]. The curved CCT magnet design presented in this article capitalizes on the CCT technology initially developed at CERN around 2016 and used to produce the straight, 2.2 m long, 105 mm twin-aperture, HL-LHC orbit corrector magnets (MCBRD), with bore/peak fields of 2.59/3.06 T [16].…”

Section: Introductionmentioning

confidence: 99%

Curved-Canted-Cosine-Theta (CCCT) Dipole Prototype Development at CERN

Haziot,

Kirby,

Dallocchio

et al. 2024

IEEE Trans. Appl. Supercond.

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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 • , and multi-harmonic field correction, with a 3.61 T conductor peak field. We detail the magnetic coil design, incorporating high-order magnetic field correction of the errors produced by the heavily curved coil, peak field reduction at the coil ends, the development of a new rope type cable, and the mechanical design and the development of the former that supports the coil and provides the curved shape. We also present the first results of a subscale model used to qualify the coil's former manufacturing process, the rope cable, the coil winding optimization, and the coil impregnation system.

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Section: Introductionmentioning

confidence: 99%

Curved-Canted-Cosine-Theta (CCCT) Dipole Prototype Development at CERN

Haziot,

Kirby,

Dallocchio

et al. 2024

IEEE Trans. Appl. Supercond.

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Beamline analysis for a laser-driven proton therapy accelerator using superconducting bends

Li,

Wang,

Easton

et al. 2024

Nuclear Engineering and Technology

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Magnet Technology and Design of Superconducting Magnets for Heavy Ion Gantry for Hadron Therapy

Rossi,

Barna,

Carloni

et al. 2024

J. Phys.: Conf. Ser.

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Various initiatives in Europe have been launched to study superconducting magnets for a rotatable gantry suitable to deliver up to 440 MeV/A carbon ions for hadron therapy. One initiative is led by INFN inside an agreement with CERN, CNAO, and MedAustron aiming at designing and manufacturing a strongly curved cos θ dipole rated for 4 T central field and with a ramp rate of 0.15-0.4 T/s. Here we explore the suitability of dipole technology derived from HEP collider for a rotatable gantry that poses severe conditions on the thermal design (indirectly cooled coils). A second one is in the frame of the European program H2020-HITRIplus-WP8, aimed at exploring the feasibility of using the novel Canted Cosine Theta (CCT) concept to produce a superconducting dipole with similar characteristics. The scope is to design and built one or two prototypes with Nb-Ti rope, to see if this route could be a viable alternative. Finally in the European collaboration H2020-I. FAST-WP8 we are exploring both CCT in combined function design (dipole + quadrupole, in Nb-Ti) and the use of HTS (REBCO tapes) with CCT dipole layout, pursuing the design manufacture of small prototypes with European Industry. If HTS will be found successful, it will be a great benefit for the cryogenic design of the magnet system.

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Design and Test of a Curved Canted–Cosine–Theta Superconducting Dipole Magnet for Next Generation Ion Therapy

Cited by 7 publications

References 17 publications

Curved-Canted-Cosine-Theta (CCCT) Dipole Prototype Development at CERN

Curved-Canted-Cosine-Theta (CCCT) Dipole Prototype Development at CERN

Beamline analysis for a laser-driven proton therapy accelerator using superconducting bends

Magnet Technology and Design of Superconducting Magnets for Heavy Ion Gantry for Hadron Therapy

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