Transverse feedback for the ISR

A feedback system designed to assist Landau damping against resistive wall instabilities in the vertical and horizontal planes is described. The purpose of the feedback system is to make it possible to run the ISR with reduced Q-spread, so that low order resonances can be avoided at high intensities...

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Detalles Bibliográficos
Autores principales: Thorndahl, L, Vaughan, A
Lenguaje:eng
Publicado: 1973
Materias:
Accelerators and Storage Rings
Acceso en línea:https://dx.doi.org/10.1109/TNS.1973.4327248
http://cds.cern.ch/record/880661
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author Thorndahl, L
Vaughan, A
author_facet Thorndahl, L
Vaughan, A
author_sort Thorndahl, L
collection CERN
description A feedback system designed to assist Landau damping against resistive wall instabilities in the vertical and horizontal planes is described. The purpose of the feedback system is to make it possible to run the ISR with reduced Q-spread, so that low order resonances can be avoided at high intensities. An important problem in the system is the electronic noise of the amplifiers which can cause excessive long-term vertical beam blow-up if the bandwidth is too large. Only four transverse modes are included in the loop. (5 refs).
id cern-880661
institution Organización Europea para la Investigación Nuclear
language eng
publishDate 1973
record_format invenio
spelling cern-8806612023-04-21T09:45:10Zdoi:10.1109/TNS.1973.4327248http://cds.cern.ch/record/880661engThorndahl, LVaughan, ATransverse feedback for the ISRAccelerators and Storage RingsA feedback system designed to assist Landau damping against resistive wall instabilities in the vertical and horizontal planes is described. The purpose of the feedback system is to make it possible to run the ISR with reduced Q-spread, so that low order resonances can be avoided at high intensities. An important problem in the system is the electronic noise of the amplifiers which can cause excessive long-term vertical beam blow-up if the bandwidth is too large. Only four transverse modes are included in the loop. (5 refs).CERN-ISR-RF-73-12ISR-RF-73-12oai:cds.cern.ch:8806611973
spellingShingle Accelerators and Storage Rings
Thorndahl, L
Vaughan, A
Transverse feedback for the ISR
title Transverse feedback for the ISR
title_full Transverse feedback for the ISR
title_fullStr Transverse feedback for the ISR
title_full_unstemmed Transverse feedback for the ISR
title_short Transverse feedback for the ISR
title_sort transverse feedback for the isr
topic Accelerators and Storage Rings
url https://dx.doi.org/10.1109/TNS.1973.4327248
http://cds.cern.ch/record/880661
work_keys_str_mv AT thorndahll transversefeedbackfortheisr
AT vaughana transversefeedbackfortheisr

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