CERN Accelerating science

Article
Report number	LHC-PROJECT-Report-969 ; CERN-LHC-Project-Report-969
Title	Design, Performance and Series Production of Superconducting Trim Quadrupoles for the Large Hadron Collider
Author(s)	Karppinen, M ; Boyer, C ; Castro, J-M ; Gaggero, G ; Giloux, C ; Lopes, H ; Khare, P ; Loche, L ; Mazet, J ; Mugnai, G ; Puntambekar, A ; Remondino, Vittorio ; Rodrigues, D ; Tassisto, M ; Venturini-Delsolaro, W ; Wolf, R
Affiliation	(CERN) ; (CAT, Indore, India) ; (Ansaldo Superconduttori, Genova, Italy)
Publication	2006
Imprint	04 Aug 2006
Number of pages	4
In:	10th European Particle Accelerator Conference, Edinburgh, UK, 26 - 30 Jun 2006, pp.2628
Subject category	Accelerators and Storage Rings
Accelerator/Facility, Experiment	CERN LHC
Free keywords	CERN ; LHC ; insertion ; quadrupole ; target
Abstract	The Large Hadron Collider (LHC) will be equipped with several thousands of superconducting corrector magnets. Among the largest ones are the superconducting trim quadrupoles (MQTL). These twin-aperture magnets with a total mass of up to 1700 kg have a nominal gradient of 129 T/m at 1.9 K and a magnetic length of 1.3 m. Sixty MQTL are required for the LHC, 36 operating at 1.9 K in and 24 operating at 4.5 K. The paper describes the design features, and reports the measured quench performance and magnetic field quality of the production magnets. The MQTL magnet production is shared between CERN and industry. This sharing is simplified due to the modular construction, common to all twin-aperture correctors.
Copyright/License	publication: (License: CC-BY)

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