ATLAS Theses

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2021-05-10
12:24

Calibrating the ATLAS Muon Spectrometer for a Search for Charged Stable Massive Particles / Habedank, Martin
Many theories extending the Standard Model predict charged stable massive particles in reach of the LHC [...]
CERN-THESIS-2018-488 - 139 p.

2021-05-06
11:38

Search for flavour-changing neutral-current top quark decays to c-quark and Z boson using the ATLAS detector at the LHC / Marcoccia, Lorenzo
The main focus of this thesis is the search for the $t\rightarrow Z c$ process in the proton–proton collisions data collected by the ATLAS detector at the Large Hadron Collider located at CERN.\\ The flavour-changing neutral-current (FCNC) processes are forbidden at tree-level and highly suppres [...]
CERN-THESIS-2021-039 - 225 p.

2021-05-04
06:01

Prospect studies for Higgs boson pair production to $b$$\bar{b}$$\gamma\gamma$ final state at the HL-LHC with the ATLAS detector / Briglin, Daniel Lawrence
By the end of the HL-LHC era, before 2040, the ATLAS experiment aims to increase the size of the dataset from ∼300fb$^{−1}$, acquired at the end of LHC running, up to ∼3000fb$^{−1}$ [...]
CERN-THESIS-2020-333. - 209 p.

2021-05-03
02:50

Jigsaws Falling into Place: Advances in Event Reconstruction and Electroweak Supersymmetry at ATLAS / Sharma, Abhishek
Searches for beyond the Standard Model (BSM) physics are difficult to undertake, especially so at hadron colliders where the true energy of the collisions cannot be determined [...]
CERN-THESIS-2020-329 - 269 p.

2021-05-02
14:48

Search for Pair Production of Bottom-Squarks in Final States with Hadronically Decaying Tau-leptons, b-jets and missing transverse momentum with the ATLAS Detector at the Large Hadron Collider / Fomin, Nikolai
In this thesis a search for beyond the Standard Model physics, in particular for bottom-squark pairs in events with missing transverse momentum, b-tagged jets and hadronically decaying tau leptons is documented [...]
CERN-THESIS-2020-328 - 194 p.

2021-04-28
17:05

Dark Matter Searches in Association with a Higgs Boson using √s = 13 TeV ATLAS Data and Performance Evaluation of the High-Granularity Timing Detector / Leopold, Alexander
The overwhelming evidence for the existence of dark maMer in the universe presented by astrophysical and cosmological observations motivates the search program for dark matter candidates at the LHC experiments [...]
CERN-THESIS-2020-326 - 226 p.

2021-04-23
23:40

Search for $t\bar{t}H\;(H\rightarrow b\bar{b})$ Production in the Lepton + Jets Channel and Quark Flavour Tagging with Deep Learning at the ATLAS Experiment / Guth, Manuel
Since several decades, the predictions of the Standard Model (SM) of particle physics are being probed and validated [...]
CERN-THESIS-2021-035 -

2021-04-20
23:41

Calibration of the Liquid Argon Calorimeter and Search for Stopped Long-Lived Particles / Morgenstern, Stefanie
This thesis dives into the three main aspects of today's experimental high energy physics: detector operation and data preparation, reconstruction and identification of physics objects, and physics analysis [...]
CERN-THESIS-2020-323 - 183 p.

2021-04-19
15:37

Radiation damage of the optical components of the ATLAS TileCal calorimeter at the High-Luminosity LHC / Pinheiro Pereira, Beatriz Catarina
TileCal, a sampling hadronic calorimeter, is an essential component of the ATLAS detector at the LHC [...]
CERN-THESIS-2020-321 - 92 p.

2021-04-13
15:09