Wake and higher order mode computations for the CMS experimental chamber at the LHC

Wakefields and trapped Higher Order Modes (HOMs) in the CMS experimental chamber at the LHC are investigated using a geometrical model which closely reflects the presently installed vacuum chamber. The basic rf-parameters of the HOMs including the frequency, loss parameter, and the Q-value are provi...

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Detalles Bibliográficos
Autores principales: Wanzenberg, R, Métral, E
Lenguaje:eng
Publicado: 2009
Materias:
Accelerators and Storage Rings
Acceso en línea:http://cds.cern.ch/record/1216169
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author Wanzenberg, R
Métral, E
author_facet Wanzenberg, R
Métral, E
author_sort Wanzenberg, R
collection CERN
description Wakefields and trapped Higher Order Modes (HOMs) in the CMS experimental chamber at the LHC are investigated using a geometrical model which closely reflects the presently installed vacuum chamber. The basic rf-parameters of the HOMs including the frequency, loss parameter, and the Q-value are provided. To cover also transient effects the short range wakefields and the total loss parameter has been calculated, too. Most numerical calculations are performed with the computer code MAFIA. The calculations of the Modes are complemented with an analysis of the multi-bunch instabilities due to the longitudinal and dipole modes in the CMS vacuum chamber.
id cern-1216169
institution Organización Europea para la Investigación Nuclear
language eng
publishDate 2009
record_format invenio
spelling cern-12161692019-09-30T06:29:59Zhttp://cds.cern.ch/record/1216169engWanzenberg, RMétral, EWake and higher order mode computations for the CMS experimental chamber at the LHCAccelerators and Storage RingsWakefields and trapped Higher Order Modes (HOMs) in the CMS experimental chamber at the LHC are investigated using a geometrical model which closely reflects the presently installed vacuum chamber. The basic rf-parameters of the HOMs including the frequency, loss parameter, and the Q-value are provided. To cover also transient effects the short range wakefields and the total loss parameter has been calculated, too. Most numerical calculations are performed with the computer code MAFIA. The calculations of the Modes are complemented with an analysis of the multi-bunch instabilities due to the longitudinal and dipole modes in the CMS vacuum chamber.CERN-ATS-2009-118oai:cds.cern.ch:12161692009-07-31
spellingShingle Accelerators and Storage Rings
Wanzenberg, R
Métral, E
Wake and higher order mode computations for the CMS experimental chamber at the LHC
title Wake and higher order mode computations for the CMS experimental chamber at the LHC
title_full Wake and higher order mode computations for the CMS experimental chamber at the LHC
title_fullStr Wake and higher order mode computations for the CMS experimental chamber at the LHC
title_full_unstemmed Wake and higher order mode computations for the CMS experimental chamber at the LHC
title_short Wake and higher order mode computations for the CMS experimental chamber at the LHC
title_sort wake and higher order mode computations for the cms experimental chamber at the lhc
topic Accelerators and Storage Rings
url http://cds.cern.ch/record/1216169
work_keys_str_mv AT wanzenbergr wakeandhigherordermodecomputationsforthecmsexperimentalchamberatthelhc
AT metrale wakeandhigherordermodecomputationsforthecmsexperimentalchamberatthelhc

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