Steering field quality in the main dipole magnets of the Large Hadron Collider

More than 10% of the collared coils of the main LHC dipoles have been produced. In this paper we compare the measured field quality to beam dynamics targets using correlations to measurements at 1.9 K. The present status of field quality is given and corrective actions carried out to center field qu...

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Detalles Bibliográficos
Autores principales: Todesco, Ezio, Bellesia, B, Bottura, L, Devred, Arnaud, Remondino, Vittorio, Pauletta, S, Sanfilippo, S, Scandale, Walter, Völlinger, C, Wildner, E
Lenguaje:eng
Publicado: 2004
Materias:
Accelerators and Storage Rings
Acceso en línea:https://dx.doi.org/10.1109/TASC.2004.829039
http://cds.cern.ch/record/732306
Descripción
Sumario:More than 10% of the collared coils of the main LHC dipoles have been produced. In this paper we compare the measured field quality to beam dynamics targets using correlations to measurements at 1.9 K. The present status of field quality is given and corrective actions carried out to center field quality on optimal values are presented. Differences among the three manufacturers are analysed, and the main results that concern correlation between cold and warm measurements are outlined. Present trends in the production and open points are discussed.

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