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Higgs Boson Cross Section Measurement in the W-Associated Production and Fully Leptonic Final Stat at $\sqrt{s}$ = 13 $\mathrm{TeV}$ with the ATLAS Experiment using Deep Neural Networks
In this thesis, a neural network-based multivariate analysis is presented for the cross section measurement of the associated Higgs production channel \begin{align*} pp\rightarrow W \rightarrow WH \rightarrow WWW^*\rightarrow 3\ell~3\nu \end{align*} with the Higgs boson decaying into two \W~boso...
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Lenguaje: | eng |
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2021
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Acceso en línea: | http://cds.cern.ch/record/2752498 |
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author | Honig, Thomas Gerhard |
author_facet | Honig, Thomas Gerhard |
author_sort | Honig, Thomas Gerhard |
collection | CERN |
description | In this thesis, a neural network-based multivariate analysis is presented for the cross section measurement of the associated Higgs production channel \begin{align*} pp\rightarrow W \rightarrow WH \rightarrow WWW^*\rightarrow 3\ell~3\nu \end{align*} with the Higgs boson decaying into two \W~bosons and a fully leptonic final state. The analysis focuses on the most sensitive signal region of a leptonic final state without lepton pairs of the same lepton flavour and different electric charge. The data set that is used comprises 139 $\mathrm{fb}^{-1}$ of proton-proton collisions collected at the ATLAS detector at a center of mass energy of $\sqrt{s}$ = 13 $\mathrm{TeV}$. In the analysis a multiclass deep neural network is employed to suppress the most dominant backgrounds from top and $WZ$~decays. The expected significance is measured to be $Z_0$ = 2.93. |
id | cern-2752498 |
institution | Organización Europea para la Investigación Nuclear |
language | eng |
publishDate | 2021 |
record_format | invenio |
spelling | cern-27524982022-01-31T15:10:43Zhttp://cds.cern.ch/record/2752498engHonig, Thomas GerhardHiggs Boson Cross Section Measurement in the W-Associated Production and Fully Leptonic Final Stat at $\sqrt{s}$ = 13 $\mathrm{TeV}$ with the ATLAS Experiment using Deep Neural NetworksParticle Physics - ExperimentIn this thesis, a neural network-based multivariate analysis is presented for the cross section measurement of the associated Higgs production channel \begin{align*} pp\rightarrow W \rightarrow WH \rightarrow WWW^*\rightarrow 3\ell~3\nu \end{align*} with the Higgs boson decaying into two \W~bosons and a fully leptonic final state. The analysis focuses on the most sensitive signal region of a leptonic final state without lepton pairs of the same lepton flavour and different electric charge. The data set that is used comprises 139 $\mathrm{fb}^{-1}$ of proton-proton collisions collected at the ATLAS detector at a center of mass energy of $\sqrt{s}$ = 13 $\mathrm{TeV}$. In the analysis a multiclass deep neural network is employed to suppress the most dominant backgrounds from top and $WZ$~decays. The expected significance is measured to be $Z_0$ = 2.93.CERN-THESIS-2020-278oai:cds.cern.ch:27524982021-02-18T16:52:40Z |
spellingShingle | Particle Physics - Experiment Honig, Thomas Gerhard Higgs Boson Cross Section Measurement in the W-Associated Production and Fully Leptonic Final Stat at $\sqrt{s}$ = 13 $\mathrm{TeV}$ with the ATLAS Experiment using Deep Neural Networks |
title | Higgs Boson Cross Section Measurement in the W-Associated Production and Fully Leptonic Final Stat at $\sqrt{s}$ = 13 $\mathrm{TeV}$ with the ATLAS Experiment using Deep Neural Networks |
title_full | Higgs Boson Cross Section Measurement in the W-Associated Production and Fully Leptonic Final Stat at $\sqrt{s}$ = 13 $\mathrm{TeV}$ with the ATLAS Experiment using Deep Neural Networks |
title_fullStr | Higgs Boson Cross Section Measurement in the W-Associated Production and Fully Leptonic Final Stat at $\sqrt{s}$ = 13 $\mathrm{TeV}$ with the ATLAS Experiment using Deep Neural Networks |
title_full_unstemmed | Higgs Boson Cross Section Measurement in the W-Associated Production and Fully Leptonic Final Stat at $\sqrt{s}$ = 13 $\mathrm{TeV}$ with the ATLAS Experiment using Deep Neural Networks |
title_short | Higgs Boson Cross Section Measurement in the W-Associated Production and Fully Leptonic Final Stat at $\sqrt{s}$ = 13 $\mathrm{TeV}$ with the ATLAS Experiment using Deep Neural Networks |
title_sort | higgs boson cross section measurement in the w-associated production and fully leptonic final stat at $\sqrt{s}$ = 13 $\mathrm{tev}$ with the atlas experiment using deep neural networks |
topic | Particle Physics - Experiment |
url | http://cds.cern.ch/record/2752498 |
work_keys_str_mv | AT honigthomasgerhard higgsbosoncrosssectionmeasurementinthewassociatedproductionandfullyleptonicfinalstatatsqrts13mathrmtevwiththeatlasexperimentusingdeepneuralnetworks |