Optics Correction Strategy for Run 3 of the LHC

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After more than 3 years of shutdown the LHC is again operational in 2022. Experience from the previous Long Shutdown (LS) has shown that the local errors in the triplet quadrupoles changed significantly between Run 1 and Run 2, and first measurements in 2022 unveil further changes. In the LHC, feed-...

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Detalles Bibliográficos
Autores principales: Persson, Tobias, Cardona, Javier, Carlier, Felix, Costa Ojeda, Andressa, Dilly, Joschua, Ferrentino, Vittorio, Fol, Elena, García Morales, Hector, Hofer, Michael, Høydalsvik, Eirik, Keintzel, Jacqueline, Le Garrec, Mael, Maclean, Ewen, Malina, Lukas, Soubelet, Felix, Tomás García, Rogelio, Wegscheider, Andreas, van Riesen-Haupt, Léon
Lenguaje:eng
Publicado: 2022
Materias:
Accelerators and Storage Rings
Acceso en línea:https://dx.doi.org/10.18429/JACoW-IPAC2022-WEPOST008
http://cds.cern.ch/record/2845780
Descripción
Sumario:After more than 3 years of shutdown the LHC is again operational in 2022. Experience from the previous Long Shutdown (LS) has shown that the local errors in the triplet quadrupoles changed significantly between Run 1 and Run 2, and first measurements in 2022 unveil further changes. In the LHC, feed-down from the Interaction Region (IR) non-linear corrections to linear errors requires an iterative approach between the two types of corrections. In this article we describe the key measurements and corrections performed in 2021 and 2022 until the write-up of this report.

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