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Higgs boson studies: associated production with a vector boson and decay into b-quarks using the ATLAS Run-2 dataset.
On the 4th July 2012, the Standard Model of Particle Physics received further validation with the discovery of the Higgs boson; ushering in a new age of Higgs physics. This thesis presents some of my contributions to the current research in this field as a member of the ATLAS experiment at CERN. It...
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Lenguaje: | eng |
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2021
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Acceso en línea: | http://cds.cern.ch/record/2748871 |
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author | Spiteri, Dwayne Patrick |
author_facet | Spiteri, Dwayne Patrick |
author_sort | Spiteri, Dwayne Patrick |
collection | CERN |
description | On the 4th July 2012, the Standard Model of Particle Physics received further validation with the discovery of the Higgs boson; ushering in a new age of Higgs physics. This thesis presents some of my contributions to the current research in this field as a member of the ATLAS experiment at CERN. It explains how the ATLAS experiment fits within the CERN accelerator complex and the structure of the ATLAS detector, leading to a description of some of the work that I did towards the upgrade of its hardware, and my studies on the reconstruction of tracks in the detector. The thesis goes on to present the results of two analyses I worked on: The $VH, H \to bb$ (read: VHbb) Resolved Analysis and the $VH, H \to bb$ Boosted Analysis. Specific attention will be drawn to my fit studies in the Resolved Analysis, and the new trigger strategy I designed for the Boosted Analysis. The analyses make use of 139$\,fb^{-1}$ of proton-proton collision data at the centre-of-mass energy of $\sqrt{s}$ = 13 TeV, collected by the ATLAS detector between 2015 and 2018, to observe the Higgs boson decay to b-quarks via associated Vector Boson production ($VH, H \to bb$), and go on to provide differential cross-section measurements in bins of the transverse momentum of the vector bosons. |
id | cern-2748871 |
institution | Organización Europea para la Investigación Nuclear |
language | eng |
publishDate | 2021 |
record_format | invenio |
spelling | cern-27488712022-01-21T18:55:10Zhttp://cds.cern.ch/record/2748871engSpiteri, Dwayne PatrickHiggs boson studies: associated production with a vector boson and decay into b-quarks using the ATLAS Run-2 dataset.Particle Physics - ExperimentDetectors and Experimental TechniquesOn the 4th July 2012, the Standard Model of Particle Physics received further validation with the discovery of the Higgs boson; ushering in a new age of Higgs physics. This thesis presents some of my contributions to the current research in this field as a member of the ATLAS experiment at CERN. It explains how the ATLAS experiment fits within the CERN accelerator complex and the structure of the ATLAS detector, leading to a description of some of the work that I did towards the upgrade of its hardware, and my studies on the reconstruction of tracks in the detector. The thesis goes on to present the results of two analyses I worked on: The $VH, H \to bb$ (read: VHbb) Resolved Analysis and the $VH, H \to bb$ Boosted Analysis. Specific attention will be drawn to my fit studies in the Resolved Analysis, and the new trigger strategy I designed for the Boosted Analysis. The analyses make use of 139$\,fb^{-1}$ of proton-proton collision data at the centre-of-mass energy of $\sqrt{s}$ = 13 TeV, collected by the ATLAS detector between 2015 and 2018, to observe the Higgs boson decay to b-quarks via associated Vector Boson production ($VH, H \to bb$), and go on to provide differential cross-section measurements in bins of the transverse momentum of the vector bosons.CERN-THESIS-2021-002oai:cds.cern.ch:27488712021-01-08T19:15:24Z |
spellingShingle | Particle Physics - Experiment Detectors and Experimental Techniques Spiteri, Dwayne Patrick Higgs boson studies: associated production with a vector boson and decay into b-quarks using the ATLAS Run-2 dataset. |
title | Higgs boson studies: associated production with a vector boson and decay into b-quarks using the ATLAS Run-2 dataset. |
title_full | Higgs boson studies: associated production with a vector boson and decay into b-quarks using the ATLAS Run-2 dataset. |
title_fullStr | Higgs boson studies: associated production with a vector boson and decay into b-quarks using the ATLAS Run-2 dataset. |
title_full_unstemmed | Higgs boson studies: associated production with a vector boson and decay into b-quarks using the ATLAS Run-2 dataset. |
title_short | Higgs boson studies: associated production with a vector boson and decay into b-quarks using the ATLAS Run-2 dataset. |
title_sort | higgs boson studies: associated production with a vector boson and decay into b-quarks using the atlas run-2 dataset. |
topic | Particle Physics - Experiment Detectors and Experimental Techniques |
url | http://cds.cern.ch/record/2748871 |
work_keys_str_mv | AT spiteridwaynepatrick higgsbosonstudiesassociatedproductionwithavectorbosonanddecayintobquarksusingtheatlasrun2dataset |