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Studies of the internal properties of jets and jet substructure with the ATLAS Detector

The internal structure of jets produced in pp collisions at the LHC is measured using the ATLAS detector in an inclusive jet sample corresponding to 35pb-1 of pp collisions at sqrt(s) = 7 TeV. Classical jet shape and energy flow measurements are complemented with measurements of new substructure obs...

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Detalles Bibliográficos
Autor principal: Miller, David W.
Lenguaje:eng
Publicado: 2011
Materias:
Acceso en línea:https://dx.doi.org/10.22323/1.134.0283
http://cds.cern.ch/record/1390479
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author Miller, David W.
author_facet Miller, David W.
author_sort Miller, David W.
collection CERN
description The internal structure of jets produced in pp collisions at the LHC is measured using the ATLAS detector in an inclusive jet sample corresponding to 35pb-1 of pp collisions at sqrt(s) = 7 TeV. Classical jet shape and energy flow measurements are complemented with measurements of new substructure observables with comparisons made to several leading order parton shower Monte Carlo programs. The jet invariant mass and \kt splitting scale are measured for anti-kt jets with a distance parameter of R=1.0 and Cambridge-Aachen jets with R=1.2. Furthermore, a splitting and filtering procedure is applied to the Cambridge-Aachen jets. These tools are then utilized for the first measurements of the filtered jet mass at the LHC in the inclusive jet sample as well the W+1 jet sample, in which a hadronic W mass peak is observed in the jet invariant mass spectrum. A sample of candidate boosted top quark events is also analyzed in detail for the jet substructure properties of hadronic "top-jets" in the final state.
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institution Organización Europea para la Investigación Nuclear
language eng
publishDate 2011
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spelling cern-13904792023-03-14T20:53:41Zdoi:10.22323/1.134.0283http://cds.cern.ch/record/1390479engMiller, David W.Studies of the internal properties of jets and jet substructure with the ATLAS DetectorDetectors and Experimental TechniquesParticle Physics - Experimenthep-exThe internal structure of jets produced in pp collisions at the LHC is measured using the ATLAS detector in an inclusive jet sample corresponding to 35pb-1 of pp collisions at sqrt(s) = 7 TeV. Classical jet shape and energy flow measurements are complemented with measurements of new substructure observables with comparisons made to several leading order parton shower Monte Carlo programs. The jet invariant mass and \kt splitting scale are measured for anti-kt jets with a distance parameter of R=1.0 and Cambridge-Aachen jets with R=1.2. Furthermore, a splitting and filtering procedure is applied to the Cambridge-Aachen jets. These tools are then utilized for the first measurements of the filtered jet mass at the LHC in the inclusive jet sample as well the W+1 jet sample, in which a hadronic W mass peak is observed in the jet invariant mass spectrum. A sample of candidate boosted top quark events is also analyzed in detail for the jet substructure properties of hadronic "top-jets" in the final state.The internal structure of jets produced in pp collisions at the LHC is measured using the ATLAS detector in an inclusive jet sample corresponding to 35pb-1 of pp collisions at sqrt(s) = 7 TeV. Classical jet shape and energy flow measurements are complemented with measurements of new substructure observables with comparisons made to several leading order parton shower Monte Carlo programs. The jet invariant mass and \kt splitting scale are measured for anti-kt jets with a distance parameter of R=1.0 and Cambridge-Aachen jets with R=1.2. Furthermore, a splitting and filtering procedure is applied to the Cambridge-Aachen jets. These tools are then utilized for the first measurements of the filtered jet mass at the LHC in the inclusive jet sample as well the W+1 jet sample, in which a hadronic W mass peak is observed in the jet invariant mass spectrum. A sample of candidate boosted top quark events is also analyzed in detail for the jet substructure properties of hadronic "top-jets" in the final state.arXiv:1110.5995SLAC-PUB-15895ATL-PHYS-PROC-2011-167ATL-PHYS-PROC-2011-167oai:cds.cern.ch:13904792011-10-28
spellingShingle Detectors and Experimental Techniques
Particle Physics - Experiment
hep-ex
Miller, David W.
Studies of the internal properties of jets and jet substructure with the ATLAS Detector
title Studies of the internal properties of jets and jet substructure with the ATLAS Detector
title_full Studies of the internal properties of jets and jet substructure with the ATLAS Detector
title_fullStr Studies of the internal properties of jets and jet substructure with the ATLAS Detector
title_full_unstemmed Studies of the internal properties of jets and jet substructure with the ATLAS Detector
title_short Studies of the internal properties of jets and jet substructure with the ATLAS Detector
title_sort studies of the internal properties of jets and jet substructure with the atlas detector
topic Detectors and Experimental Techniques
Particle Physics - Experiment
hep-ex
url https://dx.doi.org/10.22323/1.134.0283
http://cds.cern.ch/record/1390479
work_keys_str_mv AT millerdavidw studiesoftheinternalpropertiesofjetsandjetsubstructurewiththeatlasdetector