Development of hollow electron beams for proton and ion collimation

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Magnetically confined hollow electron beams for controlled halo removal in high-energy colliders such as the Tevatron or the LHC may extend traditional collimation systems beyond the intensity limits imposed by tolerable material damage. They may also improve collimation performance by suppressing l...

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Autores principales: Stancari, G., Drozhdin, A.I., Kuznetsov, G., Shiltsev, V., Still, D.A., Valishev, A., Vorobiev, L.G., Assmann, R., Kabantsev, A.
Lenguaje:eng
Publicado: 2012
Materias:
Accelerators and Storage Rings
Acceso en línea:http://cds.cern.ch/record/1421187
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author Stancari, G.
Drozhdin, A.I.
Kuznetsov, G.
Shiltsev, V.
Still, D.A.
Valishev, A.
Vorobiev, L.G.
Assmann, R.
Kabantsev, A.
author_facet Stancari, G.
Drozhdin, A.I.
Kuznetsov, G.
Shiltsev, V.
Still, D.A.
Valishev, A.
Vorobiev, L.G.
Assmann, R.
Kabantsev, A.
author_sort Stancari, G.
collection CERN
description Magnetically confined hollow electron beams for controlled halo removal in high-energy colliders such as the Tevatron or the LHC may extend traditional collimation systems beyond the intensity limits imposed by tolerable material damage. They may also improve collimation performance by suppressing loss spikes due to beam jitter and by increasing capture efficiency. A hollow electron gun was designed and built. Its performance and stability were measured at the Fermilab test stand. The gun will be installed in one of the existing Tevatron electron lenses for preliminary tests of the hollow-beam collimator concept, addressing critical issues such as alignment and instabilities of the overlapping proton and electron beams.
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institution Organización Europea para la Investigación Nuclear
language eng
publishDate 2012
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spelling cern-14211872023-09-02T04:18:11Zhttp://cds.cern.ch/record/1421187engStancari, G.Drozhdin, A.I.Kuznetsov, G.Shiltsev, V.Still, D.A.Valishev, A.Vorobiev, L.G.Assmann, R.Kabantsev, A.Development of hollow electron beams for proton and ion collimationAccelerators and Storage RingsMagnetically confined hollow electron beams for controlled halo removal in high-energy colliders such as the Tevatron or the LHC may extend traditional collimation systems beyond the intensity limits imposed by tolerable material damage. They may also improve collimation performance by suppressing loss spikes due to beam jitter and by increasing capture efficiency. A hollow electron gun was designed and built. Its performance and stability were measured at the Fermilab test stand. The gun will be installed in one of the existing Tevatron electron lenses for preliminary tests of the hollow-beam collimator concept, addressing critical issues such as alignment and instabilities of the overlapping proton and electron beams.Magnetically confined hollow electron beams for controlled halo removal in high-energy colliders such as the Tevatron or the LHC may extend traditional collimation systems beyond the intensity limits imposed by tolerable material damage. They may also improve collimation performance by suppressing loss spikes due to beam jitter and by increasing capture efficiency. A hollow electron gun was designed and built. Its performance and stability were measured at the Fermilab test stand. The gun will be installed in one of the existing Tevatron electron lenses for preliminary tests of the hollow-beam collimator concept, addressing critical issues such as alignment and instabilities of the overlapping proton and electron beams.arXiv:1202.0252IPAC-2010-TUPEB076FERMILAB-CONF-10-182-AD-APCoai:cds.cern.ch:14211872012
spellingShingle Accelerators and Storage Rings
Stancari, G.
Drozhdin, A.I.
Kuznetsov, G.
Shiltsev, V.
Still, D.A.
Valishev, A.
Vorobiev, L.G.
Assmann, R.
Kabantsev, A.
Development of hollow electron beams for proton and ion collimation
title Development of hollow electron beams for proton and ion collimation
title_full Development of hollow electron beams for proton and ion collimation
title_fullStr Development of hollow electron beams for proton and ion collimation
title_full_unstemmed Development of hollow electron beams for proton and ion collimation
title_short Development of hollow electron beams for proton and ion collimation
title_sort development of hollow electron beams for proton and ion collimation
topic Accelerators and Storage Rings
url http://cds.cern.ch/record/1421187
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