SUPERCONDUCTING MAGNETS IN THE INTERACTION REGION OF THE KEK B-FACTORY

被引：1

作者：

TSUCHIYA, K ^{[1
]}

KOBAYASHI, TM ^{[1
]}

HARUYAMA, T ^{[1
]}

AJIMA, Y ^{[1
]}

DOI, Y ^{[1
]}

KIMURA, A ^{[1
]}

机构：

[1] GRAD UNIV ADV STUDIES, TSUKUBA, IBARAKI, JAPAN

来源：

IEEE TRANSACTIONS ON MAGNETICS | 1994年 / 30卷 / 04期

关键词：

D O I：

10.1109/20.305790

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

The interaction region of the KEK B-Factory requires four superconducting magnets (two dipoles and two quadrupoles). Due to their detrimental effect on the experimental detector, the leakage field of the magnets needs to be as small as possible. For achieving this smaller leakage field, we have designed special iron-free dipoles with an active shield coil. Due to the active shield method, the stray field of the magnets is suppressed to a level of 10 mT outside the radius of 0.25m. The quadrupoles are also iron-free magnets, but have no shield coil. This paper presents the results of the two- and three-dimensional electromagnetic studies along with the structure of these magnets.

引用

页码：2519 / 2522

页数：4

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