Test Results of a Variant-Design LHC Twin-Aperture Dipole Magnet

Since 1989, KEK and CERN carried out jointly an experimental program in the frame of the R&D work for the LHC main dipole. The mechanical structure of this design is based on a separate coil/collar and "horizontally split iron" concept. A total of four single aperture and two twin-aper...

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Detalles Bibliográficos
Autores principales: Giloux, C, Mompo, R, Siemko, A, Taylor, T M, Venturini-Delsolaro, W, Walckiers, L, Yamamoto, A, Shintomi, T, Nakamoto, T, Ohuchi, N, Ogitsu, T, Tsuchiya, K
Lenguaje:eng
Publicado: 2002
Materias:
Accelerators and Storage Rings
Acceso en línea:https://dx.doi.org/10.1109/TASC.2003.812658
http://cds.cern.ch/record/599383
Descripción
Sumario:Since 1989, KEK and CERN carried out jointly an experimental program in the frame of the R&D work for the LHC main dipole. The mechanical structure of this design is based on a separate coil/collar and "horizontally split iron" concept. A total of four single aperture and two twin-aperture 1 m long dipole magnets were built. The last twin-aperture magnet was tested at CERN, reaching a maximum field of 9.55 T at 1.9 K. This paper reports the magnet training performance and quench localization at 1.9 K and 4.5 K. The performance as a function of current ramp rate and measurements of the field quality are also reported.

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