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Diagnostics and Control of the Time Evolution of Beam Parameters

Measurement tools for the betatron tunes, chromaticity and coupling exists in every circular accelerator. This article reviews diagnostic tools for the time evolution of these beam parameters in view of potential online feedbacks on magnetic elements in the LHC. For chromaticity measurements a new d...

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Detalles Bibliográficos
Autor principal: Schmickler, Hermann
Lenguaje:eng
Publicado: 1997
Materias:
Acceso en línea:http://cds.cern.ch/record/343809
Descripción
Sumario:Measurement tools for the betatron tunes, chromaticity and coupling exists in every circular accelerator. This article reviews diagnostic tools for the time evolution of these beam parameters in view of potential online feedbacks on magnetic elements in the LHC. For chromaticity measurements a new development made at CERN based on the detection of the phase difference between head and tail betatron oscillations is presented.