A System for Series Magnetic Measurements of the LHC Main Quadrupoles

More than 400 twin aperture lattice quadrupoles are needed for the Large Hadron Collider (LHC) which is under construction at CERN. The main quadrupole is assembled with correction magnets in a common cryostat called the Short Straight Section (SSS). We plan to measure all SSS's in cold conditi...

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Detalles Bibliográficos
Autores principales: Smirnov, N, Bottura, L, Chiusano, F, Dunkel, O, Legrand, P, Schloss, S, Schnizer, P, Sievers, P
Lenguaje:eng
Publicado: 2002
Materias:
Accelerators and Storage Rings
Acceso en línea:https://dx.doi.org/10.1109/TASC.2002.1018732
http://cds.cern.ch/record/544982
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author Smirnov, N
Bottura, L
Chiusano, F
Dunkel, O
Legrand, P
Schloss, S
Schnizer, P
Sievers, P
author_facet Smirnov, N
Bottura, L
Chiusano, F
Dunkel, O
Legrand, P
Schloss, S
Schnizer, P
Sievers, P
author_sort Smirnov, N
collection CERN
description More than 400 twin aperture lattice quadrupoles are needed for the Large Hadron Collider (LHC) which is under construction at CERN. The main quadrupole is assembled with correction magnets in a common cryostat called the Short Straight Section (SSS). We plan to measure all SSS's in cold conditions with an unprecedented accuracy: integrated gradient of the field within 150 ppm, harmonics in a range of 1 to 5 ppm, magnetic axis of all elements within 0.1 mm and their field direction within 0.2 mrad. In this paper we describe the automatic measurement system that we have designed, built and calibrated. Based on the results obtained on the two first prototypes of the SSS's (SSS3 and SSS4) we show that this system meets all above requirements.
id cern-544982
institution Organización Europea para la Investigación Nuclear
language eng
publishDate 2002
record_format invenio
spelling cern-5449822023-05-31T13:20:47Zdoi:10.1109/TASC.2002.1018732http://cds.cern.ch/record/544982engSmirnov, NBottura, LChiusano, FDunkel, OLegrand, PSchloss, SSchnizer, PSievers, PA System for Series Magnetic Measurements of the LHC Main QuadrupolesAccelerators and Storage RingsMore than 400 twin aperture lattice quadrupoles are needed for the Large Hadron Collider (LHC) which is under construction at CERN. The main quadrupole is assembled with correction magnets in a common cryostat called the Short Straight Section (SSS). We plan to measure all SSS's in cold conditions with an unprecedented accuracy: integrated gradient of the field within 150 ppm, harmonics in a range of 1 to 5 ppm, magnetic axis of all elements within 0.1 mm and their field direction within 0.2 mrad. In this paper we describe the automatic measurement system that we have designed, built and calibrated. Based on the results obtained on the two first prototypes of the SSS's (SSS3 and SSS4) we show that this system meets all above requirements.LHC-Project-Report-562CERN-LHC-Project-Report-562oai:cds.cern.ch:5449822002-03-06
spellingShingle Accelerators and Storage Rings
Smirnov, N
Bottura, L
Chiusano, F
Dunkel, O
Legrand, P
Schloss, S
Schnizer, P
Sievers, P
A System for Series Magnetic Measurements of the LHC Main Quadrupoles
title A System for Series Magnetic Measurements of the LHC Main Quadrupoles
title_full A System for Series Magnetic Measurements of the LHC Main Quadrupoles
title_fullStr A System for Series Magnetic Measurements of the LHC Main Quadrupoles
title_full_unstemmed A System for Series Magnetic Measurements of the LHC Main Quadrupoles
title_short A System for Series Magnetic Measurements of the LHC Main Quadrupoles
title_sort system for series magnetic measurements of the lhc main quadrupoles
topic Accelerators and Storage Rings
url https://dx.doi.org/10.1109/TASC.2002.1018732
http://cds.cern.ch/record/544982
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