Developments of HTS magnets towards application to accelerators

Kichiji Hatanaka; Mitsuhiro Fukuda; Keita Kamakura; Hiroshi Ueda; Yuusuke Yasuda; Tetsuhiko Yorita

Developments of HTS magnets towards application to accelerators

Kichiji Hatanaka, Mitsuhiro Fukuda, Keita Kamakura, Hiroshi Ueda, Yuusuke Yasuda, Tetsuhiko Yorita

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

We have been developing magnets utilizing first generation HTS wire for this decade. HTS materials have advantages over LTS materials. Magnets can be operated at 20 K or higher temperature and the cooling structure becomes simpler. Owing to a large margin in operating temperature, it is possible to excite HTS magnets by AC or pulsed currents without quenching. After successful performance tests of proto type models, two magnets have been fabricated for practical use. A cylindrical magnet generates a magnetic field higher than 3.5 T at the center to polarized 210 neV ultracold neutrons. A dipole magnet is excited by pulse currents in order to deliver accelerated beams to two target stations by time sharing.

Original language	English
Title of host publication	IPAC 2016 - Proceedings of the 7th International Particle Accelerator Conference
Publisher	Joint Accelerator Conferences Website (JACoW)
Pages	1180-1182
Number of pages	3
ISBN (Electronic)	9783954501472
Publication status	Published - 2016
Externally published	Yes
Event	7th International Particle Accelerator Conference, IPAC 2016 - Busan, Korea, Republic of Duration: May 8 2016 → May 13 2016

Other

Other	7th International Particle Accelerator Conference, IPAC 2016
Country	Korea, Republic of
City	Busan
Period	5/8/16 → 5/13/16

ASJC Scopus subject areas

Nuclear and High Energy Physics
Atomic and Molecular Physics, and Optics

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Developments of HTS magnets towards application to accelerators. / Hatanaka, Kichiji; Fukuda, Mitsuhiro; Kamakura, Keita; Ueda, Hiroshi; Yasuda, Yuusuke; Yorita, Tetsuhiko.

IPAC 2016 - Proceedings of the 7th International Particle Accelerator Conference. Joint Accelerator Conferences Website (JACoW), 2016. p. 1180-1182.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Hatanaka, K, Fukuda, M, Kamakura, K, Ueda, H, Yasuda, Y & Yorita, T 2016, Developments of HTS magnets towards application to accelerators. in IPAC 2016 - Proceedings of the 7th International Particle Accelerator Conference. Joint Accelerator Conferences Website (JACoW), pp. 1180-1182, 7th International Particle Accelerator Conference, IPAC 2016, Busan, Korea, Republic of, 5/8/16.

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AU - Yorita, Tetsuhiko

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AB - We have been developing magnets utilizing first generation HTS wire for this decade. HTS materials have advantages over LTS materials. Magnets can be operated at 20 K or higher temperature and the cooling structure becomes simpler. Owing to a large margin in operating temperature, it is possible to excite HTS magnets by AC or pulsed currents without quenching. After successful performance tests of proto type models, two magnets have been fabricated for practical use. A cylindrical magnet generates a magnetic field higher than 3.5 T at the center to polarized 210 neV ultracold neutrons. A dipole magnet is excited by pulse currents in order to deliver accelerated beams to two target stations by time sharing.

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