Design and Construction of FFAG Magnets for the ERIT System at KURRI

As an intense neutron source for the boron neutron capture therapy system, a FFAG storage ring with Energy/emittance Recovery Internal Target (ERIT) has been developed in the Kyoto University Research Reactor Institute (KURRI). In order to develop storage ring for ERIT scheme, the spiral sector and...

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Bibliographic Details
Published in:IEEE transactions on applied superconductivity 2010-06, Vol.20 (3), p.740-743
Main Authors: Okabe, Kota, Uesugi, Tomonori, Kuriyama, Yasutoshi, Planche, Thomas, Lagrange, Jean-Baptiste, Ishi, Yoshihiro, Sakai, Izumi, Mori, Yoshiharu
Format: Article
Language:English
Subjects:
Acceleration
Accelerator
accelerator magnets
Applied sciences
Betatrons
Computer simulation
Construction
Cooling
Cyclic accelerators and storage rings
Design engineering
Electrical engineering. Electrical power engineering
Electromagnets
Exact sciences and technology
Experimental methods and instrumentation for elementary-particle and nuclear physics
Inductors
Ionization
Magnetic fields
Magnets
Mathematical models
medical application
Neutron sources
Neutrons
Nuclear physics
Particle beams
Physics
Protons
Spirals
Storage rings
Structural beams
Various equipment and components
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Summary:As an intense neutron source for the boron neutron capture therapy system, a FFAG storage ring with Energy/emittance Recovery Internal Target (ERIT) has been developed in the Kyoto University Research Reactor Institute (KURRI). In order to develop storage ring for ERIT scheme, the spiral sector and radial sector FFAG rings were designed and compared about performance in ERIT system. The 3-dimensional magnetic fields of these magnets were calculated with the field analysis code, TOSCA. The pole shape of magnet was carefully optimized checking the betatron tune. Tunes were computed by means of tracking simulations in field maps based on TOSCA models. In this paper, the FFAG magnet design for ERIT system and the construction of FFAG ring in KURRI are described.
ISSN:1051-8223
1558-2515
DOI:10.1109/TASC.2010.2042696