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Measuring the mass of the Higgs boson in the four-lepton final state with the ATLAS detector

We measure the mass of the Standard Model-like Higgs boson in the four-lepton decay channel using 140 fb$^{−1}$ of proton-proton collisions at the Large Hadron Collider at $\sqrt{s}$=13 TeV collected by the ATLAS detector. This corresponds to the full Run 2 dataset, spanning 2015-2018. For a Standar...

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Detalles Bibliográficos
Autor principal: Herde, Hannah Elizabeth
Lenguaje:eng
Publicado: Brandeis University ProQuest Dissertations Publishing 2020
Materias:
Acceso en línea:http://cds.cern.ch/record/2842314
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author Herde, Hannah Elizabeth
author_facet Herde, Hannah Elizabeth
author_sort Herde, Hannah Elizabeth
collection CERN
description We measure the mass of the Standard Model-like Higgs boson in the four-lepton decay channel using 140 fb$^{−1}$ of proton-proton collisions at the Large Hadron Collider at $\sqrt{s}$=13 TeV collected by the ATLAS detector. This corresponds to the full Run 2 dataset, spanning 2015-2018. For a Standard Model Higgs boson with $m_\mathrm{H}$ = 125 GeV, the expected statistical uncertainty is 177 MeV using a per-event strategy. The observed mass of the Higgs boson is 124.92 $\pm$ 0.19 (stat) $\pm$ 0.08 (sys) GeV with the same strategy.
id cern-2842314
institution Organización Europea para la Investigación Nuclear
language eng
publishDate 2020
publisher Brandeis University ProQuest Dissertations Publishing
record_format invenio
spelling cern-28423142022-11-29T19:21:24Zhttp://cds.cern.ch/record/2842314engHerde, Hannah ElizabethMeasuring the mass of the Higgs boson in the four-lepton final state with the ATLAS detectorParticle Physics - ExperimentWe measure the mass of the Standard Model-like Higgs boson in the four-lepton decay channel using 140 fb$^{−1}$ of proton-proton collisions at the Large Hadron Collider at $\sqrt{s}$=13 TeV collected by the ATLAS detector. This corresponds to the full Run 2 dataset, spanning 2015-2018. For a Standard Model Higgs boson with $m_\mathrm{H}$ = 125 GeV, the expected statistical uncertainty is 177 MeV using a per-event strategy. The observed mass of the Higgs boson is 124.92 $\pm$ 0.19 (stat) $\pm$ 0.08 (sys) GeV with the same strategy.Brandeis University ProQuest Dissertations PublishingCERN-THESIS-2020-419oai:cds.cern.ch:28423142020-08-31
spellingShingle Particle Physics - Experiment
Herde, Hannah Elizabeth
Measuring the mass of the Higgs boson in the four-lepton final state with the ATLAS detector
title Measuring the mass of the Higgs boson in the four-lepton final state with the ATLAS detector
title_full Measuring the mass of the Higgs boson in the four-lepton final state with the ATLAS detector
title_fullStr Measuring the mass of the Higgs boson in the four-lepton final state with the ATLAS detector
title_full_unstemmed Measuring the mass of the Higgs boson in the four-lepton final state with the ATLAS detector
title_short Measuring the mass of the Higgs boson in the four-lepton final state with the ATLAS detector
title_sort measuring the mass of the higgs boson in the four-lepton final state with the atlas detector
topic Particle Physics - Experiment
url http://cds.cern.ch/record/2842314
work_keys_str_mv AT herdehannahelizabeth measuringthemassofthehiggsbosoninthefourleptonfinalstatewiththeatlasdetector