Amplitude dependent closest tune approach

Recent observations in the LHC point to the existence of an amplitude dependent closest tune approach. However this dynamical behavior and its underlying mechanism remain unknown. This effect is highly relevant for the LHC as an unexpectedly closest tune approach varying with amplitude modifies the...

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Detalles Bibliográficos
Autores principales: Tomas Garcia, Rogelio, Persson, Tobias Hakan Bjorn, Franchi, Andrea, Maclean, Ewen Hamish
Lenguaje:eng
Publicado: 2016
Materias:
Accelerators and Storage Rings
Acceso en línea:https://dx.doi.org/10.1103/PhysRevAccelBeams.19.071003
http://cds.cern.ch/record/2128976
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author Tomas Garcia, Rogelio
Persson, Tobias Hakan Bjorn
Franchi, Andrea
Maclean, Ewen Hamish
author_facet Tomas Garcia, Rogelio
Persson, Tobias Hakan Bjorn
Franchi, Andrea
Maclean, Ewen Hamish
author_sort Tomas Garcia, Rogelio
collection CERN
description Recent observations in the LHC point to the existence of an amplitude dependent closest tune approach. However this dynamical behavior and its underlying mechanism remain unknown. This effect is highly relevant for the LHC as an unexpectedly closest tune approach varying with amplitude modifies the frequency content of the beam and, hence, the Landau damping. Furthermore the single particle stability would also be affected by this effect as it would modify how particles with varying amplitudes approach and cross resonances. We present analytic derivations that lead to a mechanism generating an amplitude dependent closest tune approach.
id cern-2128976
institution Organización Europea para la Investigación Nuclear
language eng
publishDate 2016
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spelling cern-21289762022-08-10T12:44:03Zdoi:10.1103/PhysRevAccelBeams.19.071003http://cds.cern.ch/record/2128976engTomas Garcia, RogelioPersson, Tobias Hakan BjornFranchi, AndreaMaclean, Ewen HamishAmplitude dependent closest tune approachAccelerators and Storage RingsRecent observations in the LHC point to the existence of an amplitude dependent closest tune approach. However this dynamical behavior and its underlying mechanism remain unknown. This effect is highly relevant for the LHC as an unexpectedly closest tune approach varying with amplitude modifies the frequency content of the beam and, hence, the Landau damping. Furthermore the single particle stability would also be affected by this effect as it would modify how particles with varying amplitudes approach and cross resonances. We present analytic derivations that lead to a mechanism generating an amplitude dependent closest tune approach.CERN-ACC-NOTE-2016-0025oai:cds.cern.ch:21289762016-01-28
spellingShingle Accelerators and Storage Rings
Tomas Garcia, Rogelio
Persson, Tobias Hakan Bjorn
Franchi, Andrea
Maclean, Ewen Hamish
Amplitude dependent closest tune approach
title Amplitude dependent closest tune approach
title_full Amplitude dependent closest tune approach
title_fullStr Amplitude dependent closest tune approach
title_full_unstemmed Amplitude dependent closest tune approach
title_short Amplitude dependent closest tune approach
title_sort amplitude dependent closest tune approach
topic Accelerators and Storage Rings
url https://dx.doi.org/10.1103/PhysRevAccelBeams.19.071003
http://cds.cern.ch/record/2128976
work_keys_str_mv AT tomasgarciarogelio amplitudedependentclosesttuneapproach
AT perssontobiashakanbjorn amplitudedependentclosesttuneapproach
AT franchiandrea amplitudedependentclosesttuneapproach
AT macleanewenhamish amplitudedependentclosesttuneapproach

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