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Modeling the Low Level RF Response on the Beam during Crab Cavity Quench

The High Luminosity Upgrade for the LHC (HL-LHC) relies on crab cavities to compensate for the luminosity reduction due to the crossing angle of the colliding bunches at the interaction points. In this paper we present the simulation studies of cavity quenches and the impact on the beam. The cavity...

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Detalles Bibliográficos
Autores principales: Apsimon, Robert, Appleby, Robert, Baudrenghien, Philippe, Burt, Graeme, Dexter, Amos, Sjobak, Kyrre
Lenguaje:eng
Publicado: 2017
Materias:
Acceso en línea:https://dx.doi.org/10.18429/JACoW-IPAC2017-MOPVA102
http://cds.cern.ch/record/2289643
Descripción
Sumario:The High Luminosity Upgrade for the LHC (HL-LHC) relies on crab cavities to compensate for the luminosity reduction due to the crossing angle of the colliding bunches at the interaction points. In this paper we present the simulation studies of cavity quenches and the impact on the beam. The cavity voltage and phase during the quench is determined from a simulation in Matlab and used to determine the impact on the beam from tracking simulations in SixTrack. The results of this study are important for determining the required machine protection and interlock systems for HL-LHC.