LHC Longitudinal Single-Bunch Stability Threshold

The aim of the MD studies presented here was to determine with a reasonable accuracy the single-bunch longitudinal stability threshold in the LHC. The measurements were performed by placing along the ring 8 or 20 ‘single’ bunches with different intensities but similar longitudinal emittances. Then t...

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Detalles Bibliográficos
Autores principales: Esteban Muller, Juan Federico, Baudrenghien, Philippe, Lasheen, Alexandre, Roggen, Toon, Shaposhnikova, Elena, Timko, Helga
Lenguaje:eng
Publicado: 2016
Materias:
Accelerators and Storage Rings
Acceso en línea:http://cds.cern.ch/record/2119854
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author Esteban Muller, Juan Federico
Baudrenghien, Philippe
Lasheen, Alexandre
Roggen, Toon
Shaposhnikova, Elena
Timko, Helga
author_facet Esteban Muller, Juan Federico
Baudrenghien, Philippe
Lasheen, Alexandre
Roggen, Toon
Shaposhnikova, Elena
Timko, Helga
author_sort Esteban Muller, Juan Federico
collection CERN
description The aim of the MD studies presented here was to determine with a reasonable accuracy the single-bunch longitudinal stability threshold in the LHC. The measurements were performed by placing along the ring 8 or 20 ‘single’ bunches with different intensities but similar longitudinal emittances. Then they were accelerated and bunch stability was observed at arrival to flat top. Combining the results of two measurement sessions, the single bunch stability threshold is estimated to be (2.4 ± 0.2) × 10^11 ppb for an emittance of 1.89 eVs (1.0 ns) at 6.5 TeV with 12 MV RF voltage. Measurements were taken during the MD session MD472 from 22:00 on 20th to 05:00 on 21st July 2015 and session MD365 from 17:00 on 26th to 01:00 on 27th August 2015.
id cern-2119854
institution Organización Europea para la Investigación Nuclear
language eng
publishDate 2016
record_format invenio
spelling cern-21198542019-09-30T06:29:59Zhttp://cds.cern.ch/record/2119854engEsteban Muller, Juan FedericoBaudrenghien, PhilippeLasheen, AlexandreRoggen, ToonShaposhnikova, ElenaTimko, HelgaLHC Longitudinal Single-Bunch Stability ThresholdAccelerators and Storage RingsThe aim of the MD studies presented here was to determine with a reasonable accuracy the single-bunch longitudinal stability threshold in the LHC. The measurements were performed by placing along the ring 8 or 20 ‘single’ bunches with different intensities but similar longitudinal emittances. Then they were accelerated and bunch stability was observed at arrival to flat top. Combining the results of two measurement sessions, the single bunch stability threshold is estimated to be (2.4 ± 0.2) × 10^11 ppb for an emittance of 1.89 eVs (1.0 ns) at 6.5 TeV with 12 MV RF voltage. Measurements were taken during the MD session MD472 from 22:00 on 20th to 05:00 on 21st July 2015 and session MD365 from 17:00 on 26th to 01:00 on 27th August 2015.CERN-ACC-NOTE-2016-0001oai:cds.cern.ch:21198542016-01-08
spellingShingle Accelerators and Storage Rings
Esteban Muller, Juan Federico
Baudrenghien, Philippe
Lasheen, Alexandre
Roggen, Toon
Shaposhnikova, Elena
Timko, Helga
LHC Longitudinal Single-Bunch Stability Threshold
title LHC Longitudinal Single-Bunch Stability Threshold
title_full LHC Longitudinal Single-Bunch Stability Threshold
title_fullStr LHC Longitudinal Single-Bunch Stability Threshold
title_full_unstemmed LHC Longitudinal Single-Bunch Stability Threshold
title_short LHC Longitudinal Single-Bunch Stability Threshold
title_sort lhc longitudinal single-bunch stability threshold
topic Accelerators and Storage Rings
url http://cds.cern.ch/record/2119854
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AT baudrenghienphilippe lhclongitudinalsinglebunchstabilitythreshold
AT lasheenalexandre lhclongitudinalsinglebunchstabilitythreshold
AT roggentoon lhclongitudinalsinglebunchstabilitythreshold
AT shaposhnikovaelena lhclongitudinalsinglebunchstabilitythreshold
AT timkohelga lhclongitudinalsinglebunchstabilitythreshold

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