Development of superconducting tuning quadrupole corrector (MQT) prototypes for the LHC

被引:1
|
作者
Allitt, M [1 ]
Arshad, SA
Hobl, A
Ijspeert, A
Karppinen, M
Krischel, D
Mazet, J
Salminen, J
Schillo, M
Senis, R
Walckiers, L
机构
[1] CERN, LHC Div, CH-1211 Geneva 23, Switzerland
[2] Accel Instruments GMBH, D-51429 Gladbach, Germany
关键词
corrector magnet;
D O I
10.1109/TASC.2002.1018346
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 main quadrupoles of the Large Hadron Collider (LHC) are connected in families of focusing and defocusing magnets. In order to make tuning corrections in the machine a number of quadrupole corrector magnets (designated MQT) are necessary. These 56 mm diameter aperture magnets have to be compact, with a maximum length of 395 mm and a coil radial thickness of 5 to 7.5 mm, while generating a minimum field gradient of 110 T/m. Two design options have been explored, both using the "counter-winding" system developed at CERN for the fabrication of low cost corrector coils. The first design, with the poles composed of two double-pancake coils, each counter-wound using a single wire, superposed to create 4-layer coils, was developed and built by ACCEL Instruments GmbH. A second design where single coils were counter-wound using a 3-wire ribbon to obtain 6-layer coils was developed at CERN. This paper describes the two designs and reports on the performance of the prototypes during testing.
引用
收藏
页码:35 / 38
页数:4
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