Beam Coupling Impedance of the New Beam Screen of the LHC Injection Kicker Magnets

The LHC injection kicker magnets experienced significant beam induced heating of the ferrite yoke, with high intensity beam circulating for many hours, during operation of the LHC in 2011 and 2012. The causes of this beam coupling impedance were studied in depth and an improved beam screen implement...

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Autores principales: Day, Hugo, Barnes, Michael, Caspers, Fritz, Métral, Elias, Salvant, Benoit, Uythoven, Jan
Lenguaje:eng
Publicado: 2014
Materias:
Accelerators and Storage Rings
Acceso en línea:http://cds.cern.ch/record/2003138
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author Day, Hugo
Barnes, Michael
Caspers, Fritz
Métral, Elias
Salvant, Benoit
Uythoven, Jan
author_facet Day, Hugo
Barnes, Michael
Caspers, Fritz
Métral, Elias
Salvant, Benoit
Uythoven, Jan
author_sort Day, Hugo
collection CERN
description The LHC injection kicker magnets experienced significant beam induced heating of the ferrite yoke, with high intensity beam circulating for many hours, during operation of the LHC in 2011 and 2012. The causes of this beam coupling impedance were studied in depth and an improved beam screen implemented to reduce the impedance. Results of measurements and simulations of the new beam screen design are presented in this paper: these are used to predict power loss and temperature of the ferrite yoke for operation after long shutdown 1 and for proposed HL-LHC operational parameters.
id oai-inspirehep.net-1313720
institution Organización Europea para la Investigación Nuclear
language eng
publishDate 2014
record_format invenio
spelling oai-inspirehep.net-13137202022-08-17T13:30:37Zhttp://cds.cern.ch/record/2003138engDay, HugoBarnes, MichaelCaspers, FritzMétral, EliasSalvant, BenoitUythoven, JanBeam Coupling Impedance of the New Beam Screen of the LHC Injection Kicker MagnetsAccelerators and Storage RingsThe LHC injection kicker magnets experienced significant beam induced heating of the ferrite yoke, with high intensity beam circulating for many hours, during operation of the LHC in 2011 and 2012. The causes of this beam coupling impedance were studied in depth and an improved beam screen implemented to reduce the impedance. Results of measurements and simulations of the new beam screen design are presented in this paper: these are used to predict power loss and temperature of the ferrite yoke for operation after long shutdown 1 and for proposed HL-LHC operational parameters.oai:inspirehep.net:13137202014
spellingShingle Accelerators and Storage Rings
Day, Hugo
Barnes, Michael
Caspers, Fritz
Métral, Elias
Salvant, Benoit
Uythoven, Jan
Beam Coupling Impedance of the New Beam Screen of the LHC Injection Kicker Magnets
title Beam Coupling Impedance of the New Beam Screen of the LHC Injection Kicker Magnets
title_full Beam Coupling Impedance of the New Beam Screen of the LHC Injection Kicker Magnets
title_fullStr Beam Coupling Impedance of the New Beam Screen of the LHC Injection Kicker Magnets
title_full_unstemmed Beam Coupling Impedance of the New Beam Screen of the LHC Injection Kicker Magnets
title_short Beam Coupling Impedance of the New Beam Screen of the LHC Injection Kicker Magnets
title_sort beam coupling impedance of the new beam screen of the lhc injection kicker magnets
topic Accelerators and Storage Rings
url http://cds.cern.ch/record/2003138
work_keys_str_mv AT dayhugo beamcouplingimpedanceofthenewbeamscreenofthelhcinjectionkickermagnets
AT barnesmichael beamcouplingimpedanceofthenewbeamscreenofthelhcinjectionkickermagnets
AT caspersfritz beamcouplingimpedanceofthenewbeamscreenofthelhcinjectionkickermagnets
AT metralelias beamcouplingimpedanceofthenewbeamscreenofthelhcinjectionkickermagnets
AT salvantbenoit beamcouplingimpedanceofthenewbeamscreenofthelhcinjectionkickermagnets
AT uythovenjan beamcouplingimpedanceofthenewbeamscreenofthelhcinjectionkickermagnets

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