A parametrized Kalman filter for fast track fitting at LHCb

We present an alternative implementation of the Kalman filter employed for track fitting within the LHCb experiment. It uses simple parametrizations for the extrapolation of particle trajectories in the field of the LHCb dipole magnet and for the effects of multiple scattering in the detector materi...

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Detalles Bibliográficos
Autores principales: Billoir, Pierre, De Cian, Michel, Günther, Paul André, Stemmle, Simon
Lenguaje:eng
Publicado: 2021
Materias:
hep-ex
Particle Physics - Experiment
physics.ins-det
Detectors and Experimental Techniques
Acceso en línea:https://dx.doi.org/10.1016/j.cpc.2021.108026
http://cds.cern.ch/record/2759269
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author Billoir, Pierre
De Cian, Michel
Günther, Paul André
Stemmle, Simon
author_facet Billoir, Pierre
De Cian, Michel
Günther, Paul André
Stemmle, Simon
author_sort Billoir, Pierre
collection CERN
description We present an alternative implementation of the Kalman filter employed for track fitting within the LHCb experiment. It uses simple parametrizations for the extrapolation of particle trajectories in the field of the LHCb dipole magnet and for the effects of multiple scattering in the detector material. A speedup of more than a factor of four is achieved while maintaining the quality of the estimated track quantities. This Kalman filter implementation could be used in the purely software-based trigger of the LHCb upgrade.
id cern-2759269
institution Organización Europea para la Investigación Nuclear
language eng
publishDate 2021
record_format invenio
spelling cern-27592692023-10-04T07:45:10Zdoi:10.1016/j.cpc.2021.108026http://cds.cern.ch/record/2759269engBilloir, PierreDe Cian, MichelGünther, Paul AndréStemmle, SimonA parametrized Kalman filter for fast track fitting at LHCbhep-exParticle Physics - Experimentphysics.ins-detDetectors and Experimental TechniquesWe present an alternative implementation of the Kalman filter employed for track fitting within the LHCb experiment. It uses simple parametrizations for the extrapolation of particle trajectories in the field of the LHCb dipole magnet and for the effects of multiple scattering in the detector material. A speedup of more than a factor of four is achieved while maintaining the quality of the estimated track quantities. This Kalman filter implementation could be used in the purely software-based trigger of the LHCb upgrade.We present an alternative implementation of the Kalman filter employed for track fitting within the LHCb experiment. It uses simple parametrizations for the extrapolation of particle trajectories in the field of the LHCb dipole magnet and for the effects of multiple scattering in the detector material. A speedup of more than a factor of four is achieved while maintaining the quality of the estimated track quantities. This Kalman filter implementation could be used in the purely software-based trigger of the LHCb upgrade.arXiv:2101.12040LHCb-DP-2021-001oai:cds.cern.ch:27592692021-01-28
spellingShingle hep-ex
Particle Physics - Experiment
physics.ins-det
Detectors and Experimental Techniques
Billoir, Pierre
De Cian, Michel
Günther, Paul André
Stemmle, Simon
A parametrized Kalman filter for fast track fitting at LHCb
title A parametrized Kalman filter for fast track fitting at LHCb
title_full A parametrized Kalman filter for fast track fitting at LHCb
title_fullStr A parametrized Kalman filter for fast track fitting at LHCb
title_full_unstemmed A parametrized Kalman filter for fast track fitting at LHCb
title_short A parametrized Kalman filter for fast track fitting at LHCb
title_sort parametrized kalman filter for fast track fitting at lhcb
topic hep-ex
Particle Physics - Experiment
physics.ins-det
Detectors and Experimental Techniques
url https://dx.doi.org/10.1016/j.cpc.2021.108026
http://cds.cern.ch/record/2759269
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AT decianmichel parametrizedkalmanfilterforfasttrackfittingatlhcb
AT guntherpaulandre parametrizedkalmanfilterforfasttrackfittingatlhcb
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