First BTF Measurements at the Large Hadron Collider

During the Run I in 2012, several instabilities have been observed at the Large Hadron Collider (LHC) during the Betatron squeeze. The predictions of instability thresholds are based on the computation of the beam Landau damping by calculating the Stability Diagrams (SD). These instabilities could b...

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Detalles Bibliográficos
Autores principales: Tambasco, Claudia, Barranco, Javier, Boccardi, Andrea, Buffat, Xavier, Fuchsberger, Kajetan, Gąsior, Marek, Giachino, Rossano, Lefèvre, Thibaut, Levens, Thomas, Pieloni, Tatiana, Pojer, Mirko, Salvachua, Belen, Solfaroli Camillocci, Matteo
Lenguaje:eng
Publicado: 2016
Materias:
Accelerators and Storage Rings
Acceso en línea:https://dx.doi.org/10.18429/JACoW-IPAC2016-WEPOY030
http://cds.cern.ch/record/2207429
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author Tambasco, Claudia
Barranco, Javier
Boccardi, Andrea
Buffat, Xavier
Fuchsberger, Kajetan
Gąsior, Marek
Giachino, Rossano
Lefèvre, Thibaut
Levens, Thomas
Pieloni, Tatiana
Pojer, Mirko
Salvachua, Belen
Solfaroli Camillocci, Matteo
author_facet Tambasco, Claudia
Barranco, Javier
Boccardi, Andrea
Buffat, Xavier
Fuchsberger, Kajetan
Gąsior, Marek
Giachino, Rossano
Lefèvre, Thibaut
Levens, Thomas
Pieloni, Tatiana
Pojer, Mirko
Salvachua, Belen
Solfaroli Camillocci, Matteo
author_sort Tambasco, Claudia
collection CERN
description During the Run I in 2012, several instabilities have been observed at the Large Hadron Collider (LHC) during the Betatron squeeze. The predictions of instability thresholds are based on the computation of the beam Landau damping by calculating the Stability Diagrams (SD). These instabilities could be explained by a deterioration of the SD due to beam-beam resonance excitation which could change the particle distributions. Beam Transfer Functions (BTF) provide a measurement of the Stability Diagram. The BTFs are sensitive to the particle detuning with amplitude as well as to the particle distributions therefore they represent a powerful tool to understand experimentally the stability of beams during the LHC operational cycle. First BTF measurements at the LHC are presented for different machine configurations and settings and compared to predictions.
id oai-inspirehep.net-1470405
institution Organización Europea para la Investigación Nuclear
language eng
publishDate 2016
record_format invenio
spelling oai-inspirehep.net-14704052022-08-10T12:48:16Zdoi:10.18429/JACoW-IPAC2016-WEPOY030http://cds.cern.ch/record/2207429engTambasco, ClaudiaBarranco, JavierBoccardi, AndreaBuffat, XavierFuchsberger, KajetanGąsior, MarekGiachino, RossanoLefèvre, ThibautLevens, ThomasPieloni, TatianaPojer, MirkoSalvachua, BelenSolfaroli Camillocci, MatteoFirst BTF Measurements at the Large Hadron ColliderAccelerators and Storage RingsDuring the Run I in 2012, several instabilities have been observed at the Large Hadron Collider (LHC) during the Betatron squeeze. The predictions of instability thresholds are based on the computation of the beam Landau damping by calculating the Stability Diagrams (SD). These instabilities could be explained by a deterioration of the SD due to beam-beam resonance excitation which could change the particle distributions. Beam Transfer Functions (BTF) provide a measurement of the Stability Diagram. The BTFs are sensitive to the particle detuning with amplitude as well as to the particle distributions therefore they represent a powerful tool to understand experimentally the stability of beams during the LHC operational cycle. First BTF measurements at the LHC are presented for different machine configurations and settings and compared to predictions.CERN-ACC-2016-194oai:inspirehep.net:14704052016
spellingShingle Accelerators and Storage Rings
Tambasco, Claudia
Barranco, Javier
Boccardi, Andrea
Buffat, Xavier
Fuchsberger, Kajetan
Gąsior, Marek
Giachino, Rossano
Lefèvre, Thibaut
Levens, Thomas
Pieloni, Tatiana
Pojer, Mirko
Salvachua, Belen
Solfaroli Camillocci, Matteo
First BTF Measurements at the Large Hadron Collider
title First BTF Measurements at the Large Hadron Collider
title_full First BTF Measurements at the Large Hadron Collider
title_fullStr First BTF Measurements at the Large Hadron Collider
title_full_unstemmed First BTF Measurements at the Large Hadron Collider
title_short First BTF Measurements at the Large Hadron Collider
title_sort first btf measurements at the large hadron collider
topic Accelerators and Storage Rings
url https://dx.doi.org/10.18429/JACoW-IPAC2016-WEPOY030
http://cds.cern.ch/record/2207429
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