A measurement of material in the ATLAS tracker using secondary hadronic interactions in 7TeV pp collisions

Knowledge of the material in the ATLAS inner tracking detector is crucial in understanding the reconstruction of charged-particle tracks, the performance of algorithms that identify jets containing b-hadrons and is also essential to reduce background in searches for exotic particles that can decay w...

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Autor principal: Aaboud, M.
Formato: JOUR
Materias:
Detector modelling and simulations I (interaction of radiation with matter, interaction of photons with matter, interaction of hadrons with matter, etc)
Performance of high energy physics detectors
Elementary particles
Hadrons
High energy physics
Centre-of-mass energies
Hadronic interactions
High energy physics detector
Integrated luminosity
Kinematic properties
Modelling and simulations
Performance of algorithm
Secondary vertices
Tellurium compounds
Acceso en línea:http://hdl.handle.net/20.500.12110/paper_17480221_v11_n11_p_Aaboud
Aporte de:
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires
id todo:paper_17480221_v11_n11_p_Aaboud
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spelling todo:paper_17480221_v11_n11_p_Aaboud2023-10-03T16:32:07Z A measurement of material in the ATLAS tracker using secondary hadronic interactions in 7TeV pp collisions Aaboud, M. Detector modelling and simulations I (interaction of radiation with matter, interaction of photons with matter, interaction of hadrons with matter, etc) Performance of high energy physics detectors Elementary particles Hadrons High energy physics Centre-of-mass energies Hadronic interactions High energy physics detector Integrated luminosity Kinematic properties Modelling and simulations Performance of algorithm Secondary vertices Tellurium compounds Knowledge of the material in the ATLAS inner tracking detector is crucial in understanding the reconstruction of charged-particle tracks, the performance of algorithms that identify jets containing b-hadrons and is also essential to reduce background in searches for exotic particles that can decay within the inner detector volume. Interactions of primary hadrons produced in pp collisions with the material in the inner detector are used to map the location and amount of this material. The hadronic interactions of primary particles may result in secondary vertices, which in this analysis are reconstructed by an inclusive vertex-finding algorithm. Data were collected using minimum-bias triggers by the ATLAS detector operating at the LHC during 2010 at centre-of-mass energy √s = 7TeV, and correspond to an integrated luminosity of 19nb -1 . Kinematic properties of these secondary vertices are used to study the validity of the modelling of hadronic interactions in simulation. Secondary-vertex yields are compared between data and simulation over a volume of about 0.7 m 3 around the interaction point, and agreement is found within overall uncertainties. © CERN 2016 for the benefit of the ATLAS collaboration, published under the terms of the Creative CommonsAttribution 3.0 License by IOP Publishing Ltd and Sissa Medialab srl. JOUR info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/2.5/ar http://hdl.handle.net/20.500.12110/paper_17480221_v11_n11_p_Aaboud
institution Universidad de Buenos Aires
institution_str I-28
repository_str R-134
collection Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
topic Detector modelling and simulations I (interaction of radiation with matter, interaction of photons with matter, interaction of hadrons with matter, etc)
Performance of high energy physics detectors
Elementary particles
Hadrons
High energy physics
Centre-of-mass energies
Hadronic interactions
High energy physics detector
Integrated luminosity
Kinematic properties
Modelling and simulations
Performance of algorithm
Secondary vertices
Tellurium compounds
spellingShingle Detector modelling and simulations I (interaction of radiation with matter, interaction of photons with matter, interaction of hadrons with matter, etc)
Performance of high energy physics detectors
Elementary particles
Hadrons
High energy physics
Centre-of-mass energies
Hadronic interactions
High energy physics detector
Integrated luminosity
Kinematic properties
Modelling and simulations
Performance of algorithm
Secondary vertices
Tellurium compounds
Aaboud, M.
A measurement of material in the ATLAS tracker using secondary hadronic interactions in 7TeV pp collisions
topic_facet Detector modelling and simulations I (interaction of radiation with matter, interaction of photons with matter, interaction of hadrons with matter, etc)
Performance of high energy physics detectors
Elementary particles
Hadrons
High energy physics
Centre-of-mass energies
Hadronic interactions
High energy physics detector
Integrated luminosity
Kinematic properties
Modelling and simulations
Performance of algorithm
Secondary vertices
Tellurium compounds
description Knowledge of the material in the ATLAS inner tracking detector is crucial in understanding the reconstruction of charged-particle tracks, the performance of algorithms that identify jets containing b-hadrons and is also essential to reduce background in searches for exotic particles that can decay within the inner detector volume. Interactions of primary hadrons produced in pp collisions with the material in the inner detector are used to map the location and amount of this material. The hadronic interactions of primary particles may result in secondary vertices, which in this analysis are reconstructed by an inclusive vertex-finding algorithm. Data were collected using minimum-bias triggers by the ATLAS detector operating at the LHC during 2010 at centre-of-mass energy √s = 7TeV, and correspond to an integrated luminosity of 19nb -1 . Kinematic properties of these secondary vertices are used to study the validity of the modelling of hadronic interactions in simulation. Secondary-vertex yields are compared between data and simulation over a volume of about 0.7 m 3 around the interaction point, and agreement is found within overall uncertainties. © CERN 2016 for the benefit of the ATLAS collaboration, published under the terms of the Creative CommonsAttribution 3.0 License by IOP Publishing Ltd and Sissa Medialab srl.
format JOUR
author Aaboud, M.
author_facet Aaboud, M.
author_sort Aaboud, M.
title A measurement of material in the ATLAS tracker using secondary hadronic interactions in 7TeV pp collisions
title_short A measurement of material in the ATLAS tracker using secondary hadronic interactions in 7TeV pp collisions
title_full A measurement of material in the ATLAS tracker using secondary hadronic interactions in 7TeV pp collisions
title_fullStr A measurement of material in the ATLAS tracker using secondary hadronic interactions in 7TeV pp collisions
title_full_unstemmed A measurement of material in the ATLAS tracker using secondary hadronic interactions in 7TeV pp collisions
title_sort measurement of material in the atlas tracker using secondary hadronic interactions in 7tev pp collisions
url http://hdl.handle.net/20.500.12110/paper_17480221_v11_n11_p_Aaboud
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