Magnetic field measurement of the extraction kicker magnet in J-PARC RCS

Kamiya, Junichiro ; Ueno, Tomoaki*; Takayanagi, Tomohiro

Kicker magnets in J-PARC RCS are being constructed at JAERI (Japan Atomic Energy Research Institute) as the extraction pulse magnet. It is designed to have a large aperture in order to accept the maximum beam power 1MW. Therefore the impedance mismatch and fringe field have the large effect on distortion of a flatness of the kicker magnetic field. We examined their effect by the simulation and measurement, and contrived to improve the field flatness. In this paper, we present the features of the RCS kicker systems, describe the magnetic field measurement and improvement, and briefly introduce the field mapping which we are performing now.

Language	:	English
Journal	:	IEEE Transactions on Applied Superconductivity
Volume	:	16
Number	:	2
Pages	:	p.1362 - 1365
Publication Year/Month	:	2006/06
Meeting title	:	19th International Conference on Magnet Technology (MT-19)
Held date	:	2005/09
Location (city)	:	Genova
Location (country)	:	Italy
Patent information	:
PDF	:
Paper URL	:	https://doi.org/10.1109/TASC.2006.869982
DOI for research data	:	Link to research data related to this paper/report.
Keywords	:	J-PARC; 3GeV; RCS; Kicker; Magnet; Magnetic Field
Research Facility	:
Press Release	:
Article of JAEA R&D Review	:
Cooperating Institute	:	高エネルギー加速器研究機構

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Registration No. : B20051151
JAEA Abstracts No. : 34000936
Paper Submission No. : 1078

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