Direct top-quark decay width measurement at $\sqrt{s}=13$ TeV with the ATLAS experiment

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The excellent performance of the LHC accelerator allows precise measurements of the top quark properties. A direct measurement of the top-quark decay width is presented using the full Run 2 dataset collected by the ATLAS detector at $\sqrt{s}=13$ TeV, corresponding to an integrated luminosity of $13...

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Detalles Bibliográficos
Autor principal: Dado, Tomas
Lenguaje:eng
Publicado: 2019
Materias:
Particle Physics - Experiment
Acceso en línea:http://cds.cern.ch/record/2689090
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author Dado, Tomas
author_facet Dado, Tomas
author_sort Dado, Tomas
collection CERN
description The excellent performance of the LHC accelerator allows precise measurements of the top quark properties. A direct measurement of the top-quark decay width is presented using the full Run 2 dataset collected by the ATLAS detector at $\sqrt{s}=13$ TeV, corresponding to an integrated luminosity of $139~\textrm{fb}^{-1}$. The measurement uses a profile likelihood technique with multiple templates to minimise the impact of the systematic uncertainties. The measured width is $\Gamma_t = 1.9\pm 0.5$ GeV, in agreement with the Standard Model prediction.
id cern-2689090
institution Organización Europea para la Investigación Nuclear
language eng
publishDate 2019
record_format invenio
spelling cern-26890902019-09-30T06:29:59Zhttp://cds.cern.ch/record/2689090engDado, TomasDirect top-quark decay width measurement at $\sqrt{s}=13$ TeV with the ATLAS experimentParticle Physics - ExperimentThe excellent performance of the LHC accelerator allows precise measurements of the top quark properties. A direct measurement of the top-quark decay width is presented using the full Run 2 dataset collected by the ATLAS detector at $\sqrt{s}=13$ TeV, corresponding to an integrated luminosity of $139~\textrm{fb}^{-1}$. The measurement uses a profile likelihood technique with multiple templates to minimise the impact of the systematic uncertainties. The measured width is $\Gamma_t = 1.9\pm 0.5$ GeV, in agreement with the Standard Model prediction.ATL-PHYS-PROC-2019-089oai:cds.cern.ch:26890902019-09-11
spellingShingle Particle Physics - Experiment
Dado, Tomas
Direct top-quark decay width measurement at $\sqrt{s}=13$ TeV with the ATLAS experiment
title Direct top-quark decay width measurement at $\sqrt{s}=13$ TeV with the ATLAS experiment
title_full Direct top-quark decay width measurement at $\sqrt{s}=13$ TeV with the ATLAS experiment
title_fullStr Direct top-quark decay width measurement at $\sqrt{s}=13$ TeV with the ATLAS experiment
title_full_unstemmed Direct top-quark decay width measurement at $\sqrt{s}=13$ TeV with the ATLAS experiment
title_short Direct top-quark decay width measurement at $\sqrt{s}=13$ TeV with the ATLAS experiment
title_sort direct top-quark decay width measurement at $\sqrt{s}=13$ tev with the atlas experiment
topic Particle Physics - Experiment
url http://cds.cern.ch/record/2689090
work_keys_str_mv AT dadotomas directtopquarkdecaywidthmeasurementatsqrts13tevwiththeatlasexperiment

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