Understanding the Tune, Coupling, and Chromaticity Dependence of the LHC on Landau Octupole Powering

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During the 2012 LHC run observations were made of shifts to tune, coupling and chromaticity (Q, Q′ and |C−|) which were correlated with changes in the powering of Landau octupoles. We summarize the observations and describe our understanding to-date of the relationship between Q, Q′, |C−| and Landau...

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Detalles Bibliográficos
Autores principales: Maclean, E, Giovannozzi, M, Herr, W, Levinsen, Y, Papotti, G, Persson, T, Skowronski, P, Tomas, R, Wenninger, J
Lenguaje:eng
Publicado: 2013
Materias:
Accelerators and Storage Rings
Acceso en línea:http://cds.cern.ch/record/1571195
Descripción
Sumario:During the 2012 LHC run observations were made of shifts to tune, coupling and chromaticity (Q, Q′ and |C−|) which were correlated with changes in the powering of Landau octupoles. We summarize the observations and describe our understanding to-date of the relationship between Q, Q′, |C−| and Landau octupole powering.

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