An HTS demonstrator coil for a novel toroidal magnetic spectrometer for an astroparticle physics experiment in space

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  • uploaded July 7, 2021

Discussion timeslot (ZOOM-Meeting): 16. July 2021 - 18:00 
ZOOM-Meeting URL: https://icrc2021.desy.de/pf_access_abstracts
Corresponding Session: https://icrc2021-venue.desy.de/channel/Presenter-Forum-1-Evening-All-Categories/48
Abstract: 
'Magnetic spectrometers detect the rigidity of charged particles by measuring the bending of their trajectories as they pass through a magnetic field. A novel magnetic spectrometer for an astroparticle physics experiment in space should have a maximum detectable rigidity of about 100 TV. This motivates the design of a toroidal spectrometer magnet with a bending strength of 3 T m. To facilitate operation temperatures of about 20 K, the toroid consists of twelve high temperature superconducting (HTS) coil packs, where each coil pack contains two coils. The toroid is about 2 m in outer diameter and 2 m in height. The toroidal magnet requires about 60 km of 12 mm wide REBCO tape with a current density of 1200 A/mm2, and has a peak magnetic field of about 12 T. Within the HTS Demonstrator Magnet for Space (HDMS) project, we have designed and are building a small-scale demonstrator coil pack for the toroidal magnet system. The demonstrator coil pack consists of two individually built racetrack-shaped soldered metal insulation coils enclosed with copper bands. Self-protection against quenches is obtainable with the use of soldered metal insulation coils. The surrounding copper bands function as current leads and layer jumps. The coils are supported by a lightweight mechanical structure made from aluminium alloy. A copper block electrically connects the two coil layers. We describe the design and manufacturing method of the demonstrator coil.'

Authors: Lucio Rossi | Magnus Dam | Gijs de Rijk | Enrico Chesta | Roberto Iuppa | William J Burger | Rita Carpentiero
Indico-ID: 681
Proceeding URL: https://pos.sissa.it/395/498

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Lucio Rossi


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