# ATLAS Theses

2023-03-23
15:58
 Searches for Supersymmetry with multiple b-jets with the ATLAS detector / Hall, Jack Joseph This thesis presents two searches for supersymmetry using proton-proton collision data collected with the ATLAS detector from 2015 to 2018 corresponding to the Run 2 dataset with a total integrated luminosity of $139\mathrm{fb}^{-1}$ at $\sqrt{s}=13$ TeV [...] CERN-THESIS-2023-023 - 245 p.

2023-03-23
13:54
 Study of $W^+W^-$ Vector Boson Scattering with the ATLAS detector. / Roland, Christophe Pol A This thesis presents an analysis of the electroweak production of pairs of opposite-sign $W$ bosons in association with two or three jets using data from proton-proton collisions collected by the ATLAS experiment at a center-of-mass energy of $\sqrt{s}=13\,\mathrm{TeV}$, corresponding to an integr [...] CERN-THESIS-2023-022 -

2023-03-21
19:22
 Projection studies of Higgs boson pair production to the 4 b-jet final state at the HL-LHC using the ATLAS detector / Sam, Colm Projection studies for the non-resonant Higgs boson pair production in the $\bbbb$ final state with the ATLAS detector at the HL-LHC are presented [...] CERN-THESIS-2023-021 - 91 p.

2023-03-21
08:16
 Search for long-lived supersymmetric particles using displaced vertices and multiple jets in $pp$ collisions at $\sqrt{s}$ = 13 TeV with the ATLAS detector / Wakida, Moe The Standard Model (SM) of particle physics describes all fundamental forces of electromagnetic, weak, and strong interactions, except for gravity in the universe [...] CERN-THESIS-2023-020 - 114 p.

2023-03-20
11:24
 Search for non-resonant Higgs pair production in the $b\bar{b}b\bar{b}$ final state with the ATLAS detector / Hayashida, Shota The Standard Model (SM) of particle physics succeeds to describe the origin of particle mass by introducing the electroweak symmetry breaking (EWSB) [...] CERN-THESIS-2023-019 - 227 p.

2023-03-09
15:29
 Performance Improvements of EventIndex Distributed System at CERN / Fernandez Casani, Alvaro The work presented in this thesis is framed in the context of the EventIndex project of the ATLAS experiment, a big particle detector of the LHC (Large Hadron Collider) at CERN [...] CERN-THESIS-2023-016 - 177 p.

2023-03-07
12:27
 Time calibration of the High Granularity Timing Detector and measurement of top quarks spin correlation with the ATLAS detector. / Tnourji, Abdellah This thesis consists of two main parts [...] CERN-THESIS-2022-320 - 241 p.

2023-03-02
11:15
 The light at the end of the tunnel gets weaker: Observation and measurement of photon-induced $W^{+}W^{-}$ production at the ATLAS Experiment / Clawson, Savannah This thesis presents the observation of photon-induced $W^{+}W^{-}$ production using proton-proton collision data at a centre-of-mass energy of 13 TeV and with an integrated luminosity of $\mbox{139 fb$^{-1}$}$, recorded by the ATLAS detector [...] CERN-THESIS-2022-318 - 271 p.

2023-03-02
08:56
 Characterisation of HV-CMOS silicon pixel sensors with a transient current technique before and after proton irradiation / Fehr, Armin For operation at the High Luminosity LHC, the ATLAS detector will need to be upgraded [...] CERN-THESIS-2018-501 - 61 p.

2023-02-28
17:04
 Determination of the strong coupling $\alpha_{\mathrm{s}}$ from transverse energy-energy correlations in multi-jet events at $\sqrt{s} = 13\;\mbox{TeV}$ with the ATLAS detector / Alvarez Estevez, Manuel Multi-jet events registered with the ATLAS detector during the proton-proton LHC Run 2 are used to determine the strong coupling constant $\alpha_{\mathrm{s}}$ from transverse energy-energy correlations and their associated asymmetries [...] CERN-THESIS-2022-316 -