Beam Transfer to LHC with the Low gamma-Transition SPS Optics

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A new optics was introduced in the SPS for improving beam stability at high intensity. For transferring the beam to the LHC, the extraction bumps, extraction kickers and transfer lines needed to be adapted to the new optics. In particular, the transfer lines were re-matched and re-commissioned with...

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Detalles Bibliográficos
Autores principales: Vanbavinckhove, G, Bartmann, W, Bartosik, H, Bracco, C, Drosdal, L, Gianfelice, E, Goddard, B, Kain, V, Meddahi, M, Mertens, V, Papaphilippou, Y, Uythoven, J, Wenninger, J
Lenguaje:eng
Publicado: 2013
Materias:
Accelerators and Storage Rings
Acceso en línea:http://cds.cern.ch/record/1576068
Descripción
Sumario:A new optics was introduced in the SPS for improving beam stability at high intensity. For transferring the beam to the LHC, the extraction bumps, extraction kickers and transfer lines needed to be adapted to the new optics. In particular, the transfer lines were re-matched and re-commissioned with the new optics. The first operational results are discussed for the SPS extraction, the transfer lines and the LHC injection. A detailed comparison is presented between the old and the new optics of the trajectories, dispersion, losses and other performance aspects.

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