ATLAS Theses

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2024-06-17
23:44

A Measurement of Boosted Dibosons with Gaussian Process Background Modeling at the ATLAS Detector / Xu, Riley
This dissertation presents a measurement of $WW$, $WZ$, and $ZZ$ production in the semileptonic final state at the ATLAS detector [...]
CERN-THESIS-2024-072 - 127 p.

2024-06-12
16:49

Precision measurements of the Standard Model; PDFs, pile-up and production of W+jets at 13 TeV with the ATLAs detector / Conroy, Eimear Isobel
The question of the nature of the universe at its most fundamental level is one which has been with humankind since ancient times [...]
CERN-THESIS-2023-397 - 242 p.

2024-06-07
16:00

Double Higgs τrouble: Searches for Higgs boson pairs in the ATLAS experiment and their interpretations / Dimitriadi, Christina
Since the discovery of the Higgs boson by the ATLAS and CMS experiments at the Large Hadron Collider (LHC), extensive measurements of its properties have confirmed the predictions of the Standard Model (SM) [...]
CERN-THESIS-2024-069 urn:nbn:se:uu:diva-526239 ; ISBN:978-91-513-2106-6. - 143 p.

2024-05-24
16:41

Searches for Vector-Like Quarks decaying to W bosons and module placement quality assurance for the ATLAS ITk upgrade. / Stewart, Joshua Ryan
This dissertation explores the realm of particle physics through two distinct yet interconnected lenses: the search for Vector-Like Quarks (VLQs), and the quality assurance in module placement for the ATLAS Inner Tracker (ITk) upgrade in preparation for the High Luminosity Large Hadron Collider (HL- [...]
CERN-THESIS-2024-061 - 213 p.

2024-05-24
00:01

Searches for New Physics Using Unsupervised Machine Learning for Anomaly Detection at the ATLAS Detector and the Development of Particle Identification Algorithms for the HL-LHC / Crosby, Jacob Edwin
This document contains discussions on completed and ongoing projects that have devel- oped over the past few years while working on the ATLAS detector located at CERN in Geneva, Switzerland [...]
CERN-THESIS-2024-059 - 239 p.

2024-05-20
17:54

A search for third-generation leptoquarks in the non-resonant production with the ATLAS experiment and development of the Level-0 muon trigger for the High Luminosity LHC / Morodei, Federico
Recent observations performed by several high-energy physics experiments have shown anomalies in $b$-hadron decays, which could be explained by assuming the existence of a particle, the leptoquark, coupled both to leptons and quarks [...]
CERN-THESIS-2024-057 - 223 p.

2024-05-20
10:42

Search for Supersymmetry and Large Extra Dimensions with the ATLAS Experiment / Bertoli, Gabriele
The Large Hadron Collider is the most powerful particle accelerator built to date [...]
CERN-THESIS-2017-501 -

2024-05-16
17:11

Extending the limits in the hunt for long-lived heavy neutral leptons with the ATLAS experiment at the Large Hadron Collider at CERN / Appelt, Christian
A search for a long-lived, heavy neutral lepton ($\mathcal{N}$) in 139~fb$^{-1}$ of $\sqrt{s}=13$~TeV $pp$ collision data collected between 2015 and 2018 by the ATLAS detector at the Large Hadron Collider is presented [...]
CERN-THESIS-2024-055 - https://doi.org/10.18452/28639 : EDoc HU Berlin, 2024. - 227 p.

2024-05-13
12:58

Simulation and Hardware Development of the Liquid-Argon Calorimeters Phase-II Read-out Path of the ATLAS Detector / Horn, Philipp
The LHC is upgraded in two phases up until the year 2027 to increase its luminosity [...]
CERN-THESIS-2020-424 - 117 p.

2024-05-12
17:18

Extending the Reach of Searches for Staus, Charginos and Neutralinos with the ATLAS Experiment at the Large Hadron Collider / Jones, Dominic
This thesis describes new approaches to extend the sensitivity reach of searches for three types of supersymmetric particles; staus, charginos and neutralinos, using the $139~\text{fb}^{-1}$ of data collected with the ATLAS experiment at the Large Hadron Collider between 2015 and 2018 [...]
CERN-THESIS-2023-392 - 329 p.

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