Controlled Longitudinal Emittance Blow-up in the SPS as Injector and LHC Test-Bed

A controlled blow-up of the longitudinal emittance of the LHC beam is necessary in the SPS as well as in LHC. During several machine developments in 2003 the LHC beam in the SPS was excited through the phase loop with bandwidth-limited noise. This method is suitable for the SPS as well as for LHC. T...

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Detalles Bibliográficos
Autores principales: Bohl, T, Linnecar, Trevor Paul R, Shaposhnikova, Elena, Tückmantel, Joachim
Lenguaje:eng
Publicado: 2004
Materias:
Accelerators and Storage Rings
Acceso en línea:http://cds.cern.ch/record/702816
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author Bohl, T
Linnecar, Trevor Paul R
Shaposhnikova, Elena
Tückmantel, Joachim
author_facet Bohl, T
Linnecar, Trevor Paul R
Shaposhnikova, Elena
Tückmantel, Joachim
author_sort Bohl, T
collection CERN
description A controlled blow-up of the longitudinal emittance of the LHC beam is necessary in the SPS as well as in LHC. During several machine developments in 2003 the LHC beam in the SPS was excited through the phase loop with bandwidth-limited noise. This method is suitable for the SPS as well as for LHC. This way it was possible to achieve a controlled bunch length increase by a factor of more than two, corresponding to an emittance increase by a factor of about four. The following note describes the details of the machine developments, the hardware used, and the influence of parameters like timing, bandwidth, frequency and amplitude of the excitation signal on the resulting blow-up
id cern-702816
institution Organización Europea para la Investigación Nuclear
language eng
publishDate 2004
record_format invenio
spelling cern-7028162023-02-17T10:08:21Zhttp://cds.cern.ch/record/702816engBohl, TLinnecar, Trevor Paul RShaposhnikova, ElenaTückmantel, JoachimControlled Longitudinal Emittance Blow-up in the SPS as Injector and LHC Test-BedAccelerators and Storage RingsA controlled blow-up of the longitudinal emittance of the LHC beam is necessary in the SPS as well as in LHC. During several machine developments in 2003 the LHC beam in the SPS was excited through the phase loop with bandwidth-limited noise. This method is suitable for the SPS as well as for LHC. This way it was possible to achieve a controlled bunch length increase by a factor of more than two, corresponding to an emittance increase by a factor of about four. The following note describes the details of the machine developments, the hardware used, and the influence of parameters like timing, bandwidth, frequency and amplitude of the excitation signal on the resulting blow-upAB-Note-2003-084-MDoai:cds.cern.ch:7028162004-02-04
spellingShingle Accelerators and Storage Rings
Bohl, T
Linnecar, Trevor Paul R
Shaposhnikova, Elena
Tückmantel, Joachim
Controlled Longitudinal Emittance Blow-up in the SPS as Injector and LHC Test-Bed
title Controlled Longitudinal Emittance Blow-up in the SPS as Injector and LHC Test-Bed
title_full Controlled Longitudinal Emittance Blow-up in the SPS as Injector and LHC Test-Bed
title_fullStr Controlled Longitudinal Emittance Blow-up in the SPS as Injector and LHC Test-Bed
title_full_unstemmed Controlled Longitudinal Emittance Blow-up in the SPS as Injector and LHC Test-Bed
title_short Controlled Longitudinal Emittance Blow-up in the SPS as Injector and LHC Test-Bed
title_sort controlled longitudinal emittance blow-up in the sps as injector and lhc test-bed
topic Accelerators and Storage Rings
url http://cds.cern.ch/record/702816
work_keys_str_mv AT bohlt controlledlongitudinalemittanceblowupinthespsasinjectorandlhctestbed
AT linnecartrevorpaulr controlledlongitudinalemittanceblowupinthespsasinjectorandlhctestbed
AT shaposhnikovaelena controlledlongitudinalemittanceblowupinthespsasinjectorandlhctestbed
AT tuckmanteljoachim controlledlongitudinalemittanceblowupinthespsasinjectorandlhctestbed

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