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Coherent beam-beam experiments and implications for head-on compensation

In polarized proton operation in the Relativistic Heavy Ion Collider (RHIC) coherent beam-beam modes are routinely observed with beam transfer function measurements. These modes can become unstable under external excitation or in the presence of impedance. This becomes even more relevant in the pres...

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Detalles Bibliográficos
Autores principales: White, S., Blaskiewicz, M., Fischer, W., Luo, Y.
Lenguaje:eng
Publicado: 2014
Materias:
Acceso en línea:https://dx.doi.org/10.5170/CERN-2014-004.133
http://cds.cern.ch/record/1957028
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author White, S.
Blaskiewicz, M.
Fischer, W.
Luo, Y.
author_facet White, S.
Blaskiewicz, M.
Fischer, W.
Luo, Y.
author_sort White, S.
collection CERN
description In polarized proton operation in the Relativistic Heavy Ion Collider (RHIC) coherent beam-beam modes are routinely observed with beam transfer function measurements. These modes can become unstable under external excitation or in the presence of impedance. This becomes even more relevant in the presence of head-on compensation, which reduces the beam-beam tune spread and hence Landau damping. We report on experiments and simulations carried out to understand the impact of coherent modes on operation with electron lenses.
id cern-1957028
institution Organización Europea para la Investigación Nuclear
language eng
publishDate 2014
record_format invenio
spelling cern-19570282023-03-14T16:31:24Zdoi:10.5170/CERN-2014-004.133http://cds.cern.ch/record/1957028engWhite, S.Blaskiewicz, M.Fischer, W.Luo, Y.Coherent beam-beam experiments and implications for head-on compensationAccelerators and Storage RingsIn polarized proton operation in the Relativistic Heavy Ion Collider (RHIC) coherent beam-beam modes are routinely observed with beam transfer function measurements. These modes can become unstable under external excitation or in the presence of impedance. This becomes even more relevant in the presence of head-on compensation, which reduces the beam-beam tune spread and hence Landau damping. We report on experiments and simulations carried out to understand the impact of coherent modes on operation with electron lenses.In polarized proton operation in the Relativistic Heavy Ion Collider (RHIC) coherent beam-beam modes are routinely observed with beam transfer function measurements. These modes can become unstable under external excitation or in the presence of impedance. This becomes even more relevant in the presence of head-on compensation, which reduces the beam-beam tune spread and hence Landau damping. We report on experiments and simulations carried out to understand the impact of coherent modes on operation with electron lenses.arXiv:1410.5623oai:cds.cern.ch:19570282014-10-21
spellingShingle Accelerators and Storage Rings
White, S.
Blaskiewicz, M.
Fischer, W.
Luo, Y.
Coherent beam-beam experiments and implications for head-on compensation
title Coherent beam-beam experiments and implications for head-on compensation
title_full Coherent beam-beam experiments and implications for head-on compensation
title_fullStr Coherent beam-beam experiments and implications for head-on compensation
title_full_unstemmed Coherent beam-beam experiments and implications for head-on compensation
title_short Coherent beam-beam experiments and implications for head-on compensation
title_sort coherent beam-beam experiments and implications for head-on compensation
topic Accelerators and Storage Rings
url https://dx.doi.org/10.5170/CERN-2014-004.133
http://cds.cern.ch/record/1957028
work_keys_str_mv AT whites coherentbeambeamexperimentsandimplicationsforheadoncompensation
AT blaskiewiczm coherentbeambeamexperimentsandimplicationsforheadoncompensation
AT fischerw coherentbeambeamexperimentsandimplicationsforheadoncompensation
AT luoy coherentbeambeamexperimentsandimplicationsforheadoncompensation