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Title |
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| MOPB090 |
Sub-micro-Tesla Magnetic Shielding Design for Cryomodules in the High-gradient Program at CERN |
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- S. Papadopoulos, L. Dassa, F. Gerigk, F. Pillon, S. Ramberger, P. Yilmazer
CERN, Geneva, Switzerland
- J. Dequaire
Intitek, Lyon, France
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In the framework of the High-Gradient R\&D program at CERN a cryomodule, consisting of four superconducting 5-cell cavities, has been designed. In order to reduce flux trapping in the surface of the superconductor and to minimize Q degradation during a quench, highly effective magnetic shielding is needed. The solution proposed includes cold and warm passive shielding enhanced by four compensating coils. In this paper the magneto-static simulation results are presented illustrating different design considerations that led to a final design. Finally the shielding ability of the vacuum vessel is investigated experimentally through ambient magnetic field measurements.
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| DOI • |
reference for this paper
※ https://doi.org/10.18429/JACoW-SRF2017-MOPB090
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