Depolarisation in large electron storage rings

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It is shown from elementary considerations that polarised beams of electrons or positrons are unlikely to be obtained in storage rings much above about 30 GeV in top energy. Normal design criteria in such machines result in large energy spreads which straddle depolarising resonances. The requirement...

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Detalles Bibliográficos
Autores principales: Möhl, D, Montague, Brian William St. Leger
Lenguaje:eng
Publicado: 1976
Materias:
Accelerators and Storage Rings
Nuclear Physics
Acceso en línea:https://dx.doi.org/10.1016/0029-554X(76)90462-6
http://cds.cern.ch/record/312027
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author Möhl, D
Montague, Brian William St. Leger
author_facet Möhl, D
Montague, Brian William St. Leger
author_sort Möhl, D
collection CERN
description It is shown from elementary considerations that polarised beams of electrons or positrons are unlikely to be obtained in storage rings much above about 30 GeV in top energy. Normal design criteria in such machines result in large energy spreads which straddle depolarising resonances. The requirement that such resonances be weak enough as not to cause substantial depolarisation, imposes control of vertical closed-orbit errors and beam size beyond that which is currently believed to be feasible. (11 refs).
id cern-312027
institution Organización Europea para la Investigación Nuclear
language eng
publishDate 1976
record_format invenio
spelling cern-3120272023-04-21T09:45:21Zdoi:10.1016/0029-554X(76)90462-6http://cds.cern.ch/record/312027engMöhl, DMontague, Brian William St. LegerDepolarisation in large electron storage ringsAccelerators and Storage RingsNuclear PhysicsIt is shown from elementary considerations that polarised beams of electrons or positrons are unlikely to be obtained in storage rings much above about 30 GeV in top energy. Normal design criteria in such machines result in large energy spreads which straddle depolarising resonances. The requirement that such resonances be weak enough as not to cause substantial depolarisation, imposes control of vertical closed-orbit errors and beam size beyond that which is currently believed to be feasible. (11 refs).CERN-ISR-LTD-76-21CERN-PS-DL-76-6ISR-LTD-76-21oai:cds.cern.ch:3120271976
spellingShingle Accelerators and Storage Rings
Nuclear Physics
Möhl, D
Montague, Brian William St. Leger
Depolarisation in large electron storage rings
title Depolarisation in large electron storage rings
title_full Depolarisation in large electron storage rings
title_fullStr Depolarisation in large electron storage rings
title_full_unstemmed Depolarisation in large electron storage rings
title_short Depolarisation in large electron storage rings
title_sort depolarisation in large electron storage rings
topic Accelerators and Storage Rings
Nuclear Physics
url https://dx.doi.org/10.1016/0029-554X(76)90462-6
http://cds.cern.ch/record/312027
work_keys_str_mv AT mohld depolarisationinlargeelectronstoragerings
AT montaguebrianwilliamstleger depolarisationinlargeelectronstoragerings

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