期刊
IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY
卷 24, 期 3, 页码 -出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TASC.2013.2284424
关键词
Conduction cooled; cryomodule focusing element; magnetic center; prototype; quench; superconducting quadrupole
资金
- Fermi Research Alliance, LLC [DE-AC02-07CH11359]
- U.S. Department of Energy
- Japan-U.S. cooperative program in High Energy Physics
A superconducting quadrupole magnet with splittable yoke has been designed for use in ILC Main Linac (NIL) cryomodules. The splittable yoke allows assembly around the beam pipe, to avoid potential contamination of the superconducting RE cavities. The magnet is cooled by conduction and covers the full range of required ML field gradients. A critical requirement is stability of the magnetic center, at the level of 5 mu m, for a 20% variation of the operating field. We report here the results of thermal, quench, and magnetic performance tests of a prototype splittable quadrupole, that were made up to the maximum design operating gradient in a conduction-cooled test cryostat.
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