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dc.contributor.authorSanfilippo, Stephane
dc.contributor.authorBeauquis, J.
dc.contributor.authorBottura, Luca
dc.contributor.authorBuzio, Marco
dc.contributor.authorCoccoli, Mirco
dc.contributor.authorGarcia Perez, Juan
dc.contributor.authorPugnat, Pierre
dc.contributor.authorSammut, Nicholas
dc.contributor.authorSiemko, Andrzej
dc.contributor.authorSmirnov, Nikolai E.
dc.contributor.authorStafiniak, Andrzej
dc.contributor.authorWildner, Elena
dc.identifier.citationSanfilippo, S., Beauquis, J., Bottura, L., Buzio, M., Coccoli, M. Garcia Perez, J.,… Wildner, E. (2005). Electrical and magnetic performance of the LHC short straight sections. 19th International Conference on Magnet Technology (MT19), Genova.en_GB
dc.description.abstractThe Short Straight Section (SSS) for the Large Hadron Collider arcs, containing in a common cryostat the lattice quadrupoles and correction magnets, have now entered series production. The foremost features of the lattice quadrupole magnets are a two-in-one structure containing two 56 mm aperture, two-layers coils wound from 15.1 mm wide NbTi cables, enclosed by the stainless steel collars and ferromagnetic yoke, and inserted into the inertia tube. Systematic cryogenic tests are performed at CERN in order to qualify these magnets with respect to their cryogenic and electrical integrity, the quench performance and the field quality in all operating conditions. This paper reports the main results obtained during tests and measurements in superfluid helium. The electrical characteristics, the insulation measurements and the quench performance are compared to the specifications and expected performances for these magnets. The field in the main quadrupole is measured using three independent systems: 10-m long twin rotating coils, an automatic scanner, and single stretched wire. A particular emphasis is given to the integrated transfer function which has a spread of around 12 units rms in the production and is a critical issue. The do-decapole harmonic component, which required trimming through a change in coil shims, is also discussed. Finally, the magnetic axis measurements at room temperature and at 1.9 K, providing the nominal vertical shift for installation are reported.en_GB
dc.publisherInstitute of Electrical and Electronics Engineers Inc.en_GB
dc.subjectElectromagnetic fieldsen_GB
dc.subjectMagnetic fieldsen_GB
dc.subjectLarge Hadron Collider (France and Switzerland)en_GB
dc.titleElectrical and magnetic performance of the LHC short straight sectionsen_GB
dc.rights.holderThe copyright of this work belongs to the author(s)/publisher. The rights of this work are as defined by the appropriate Copyright Legislation or as modified by any successive legislation. Users may access this work and can make use of the information contained in accordance with the Copyright Legislation provided that the author must be properly acknowledged. Further distribution or reproduction in any format is prohibited without the prior permission of the copyright holder.en_GB
dc.bibliographicCitation.conferencename19th International Conference on Magnet Technology (MT19)en_GB
dc.bibliographicCitation.conferenceplaceGenova, Italy, 18-23/09/2005en_GB
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