Studies for an alternative LHC non-linear collimation system

A LHC non-linear betatron cleaning collimation system would allow larger gap for the mechanical jaws, reducing as a consequence the collimator-induced impedance, which may limit the LHC beam intensity. In this paper, the performance of the proposed system is analyzed in terms of beam losses distribu...

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Detalles Bibliográficos
Autores principales: Lari, L, Assmann, R W, Boccone, V, Cerutti, F, Versaci, R, Vlachoudis, V, Mereghetti, A, Faus-Golfe, A, Resta-Lopez, J
Lenguaje:eng
Publicado: 2012
Materias:
Accelerators and Storage Rings
Acceso en línea:http://cds.cern.ch/record/1470310
Descripción
Sumario:A LHC non-linear betatron cleaning collimation system would allow larger gap for the mechanical jaws, reducing as a consequence the collimator-induced impedance, which may limit the LHC beam intensity. In this paper, the performance of the proposed system is analyzed in terms of beam losses distribution around the LHC ring and cleaning efficiency in stable physics condition at 7TeV for Beam1. Moreover, the energy deposition distribution on the machine elements is compared to the present LHC Betatron cleaning collimation system in the Point 7 Insertion Region (IR).

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