The Magnetic Model of the LHC during Commissioning to higher Beam Intensities in 2010-2011

The Field Description of the Large Hadron Collider (FiDeL) model is a set of semi-empirical equations linking the magnets behaviours established from magnetic measurements to the magnetic properties of the machine observed through beam measurements. The FiDeL model includes the parameterization of s...

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Detalles Bibliográficos
Autores principales: Deniau, L, Aquilina, N, Fiscarelli, L, Giovannozzi, M, Hagen, P, Lamont, M, Montenero, G, Steinhagen, R, Strzelczyk, M, Todesco, E, Tomas, R, Venturini Delsolaro, W, Wenninger, J
Lenguaje:eng
Publicado: 2011
Materias:
Accelerators and Storage Rings
Engineering
Acceso en línea:http://cds.cern.ch/record/1382103
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author Deniau, L
Aquilina, N
Fiscarelli, L
Giovannozzi, M
Hagen, P
Lamont, M
Montenero, G
Steinhagen, R
Strzelczyk, M
Todesco, E
Tomas, R
Venturini Delsolaro, W
Wenninger, J
author_facet Deniau, L
Aquilina, N
Fiscarelli, L
Giovannozzi, M
Hagen, P
Lamont, M
Montenero, G
Steinhagen, R
Strzelczyk, M
Todesco, E
Tomas, R
Venturini Delsolaro, W
Wenninger, J
author_sort Deniau, L
collection CERN
description The Field Description of the Large Hadron Collider (FiDeL) model is a set of semi-empirical equations linking the magnets behaviours established from magnetic measurements to the magnetic properties of the machine observed through beam measurements. The FiDeL model includes the parameterization of static and dynamic (time dependent) components. In the present paper, we outline the relationship between the beam observables (orbit, tune, chromaticity) and the model components during the commissioning to higher beam intensities in 2010-2011, with energy of 3.5 TeV per beam. The main relevant issues are (i) the operation at 10 A/s ramp rate and their influence on chromatic correction, (ii) the beta beating and its relation to the quadrupoles transfer functions and (iii) the origin of the observed tune decay at injection.
id cern-1407849
institution Organización Europea para la Investigación Nuclear
language eng
publishDate 2011
record_format invenio
spelling cern-14078492022-08-17T13:31:43Zhttp://cds.cern.ch/record/1382103engDeniau, LAquilina, NFiscarelli, LGiovannozzi, MHagen, PLamont, MMontenero, GSteinhagen, RStrzelczyk, MTodesco, ETomas, RVenturini Delsolaro, WWenninger, JThe Magnetic Model of the LHC during Commissioning to higher Beam Intensities in 2010-2011Accelerators and Storage RingsEngineeringThe Field Description of the Large Hadron Collider (FiDeL) model is a set of semi-empirical equations linking the magnets behaviours established from magnetic measurements to the magnetic properties of the machine observed through beam measurements. The FiDeL model includes the parameterization of static and dynamic (time dependent) components. In the present paper, we outline the relationship between the beam observables (orbit, tune, chromaticity) and the model components during the commissioning to higher beam intensities in 2010-2011, with energy of 3.5 TeV per beam. The main relevant issues are (i) the operation at 10 A/s ramp rate and their influence on chromatic correction, (ii) the beta beating and its relation to the quadrupoles transfer functions and (iii) the origin of the observed tune decay at injection.CERN-ATS-2011-249CERN-ATS-2011-173oai:cds.cern.ch:14078492011-09-14
spellingShingle Accelerators and Storage Rings
Engineering
Deniau, L
Aquilina, N
Fiscarelli, L
Giovannozzi, M
Hagen, P
Lamont, M
Montenero, G
Steinhagen, R
Strzelczyk, M
Todesco, E
Tomas, R
Venturini Delsolaro, W
Wenninger, J
The Magnetic Model of the LHC during Commissioning to higher Beam Intensities in 2010-2011
title The Magnetic Model of the LHC during Commissioning to higher Beam Intensities in 2010-2011
title_full The Magnetic Model of the LHC during Commissioning to higher Beam Intensities in 2010-2011
title_fullStr The Magnetic Model of the LHC during Commissioning to higher Beam Intensities in 2010-2011
title_full_unstemmed The Magnetic Model of the LHC during Commissioning to higher Beam Intensities in 2010-2011
title_short The Magnetic Model of the LHC during Commissioning to higher Beam Intensities in 2010-2011
title_sort magnetic model of the lhc during commissioning to higher beam intensities in 2010-2011
topic Accelerators and Storage Rings
Engineering
url http://cds.cern.ch/record/1382103
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