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ATLAS Theses

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2021-02-20
13:29
Calibration of electron shower shapes, hadronic recoil reconstruction using deep learning algorithms and the measurement of W boson transverse momentum distribution with the ATLAS detector / Khandoga, Mykola
The initial part of the thesis contains the description of the method for electromagnetic calorimeter calibration, correcting for the Data-MC discrepancy in the development of the electromagnetic showers in the calorimeter [...]
CERN-THESIS-2020-281 - 256 p.

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2021-02-19
19:21
Search for New Physics through Higgs-Boson-Pair Production at the LHC and Beyond / Paredes Saenz, Santiago Rafael
This thesis presents a search for resonant production of highly energetic Higgs boson pairs, with each Higgs boson decaying to a $b$-quark pair, with the ATLAS detector [...]
CERN-THESIS-2020-280 - 154 p.

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2021-02-18
17:52
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 / Honig, Thomas Gerhard
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 [...]
CERN-THESIS-2020-278 - 144 p.

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2021-02-15
17:03
Search for a beyond the standard model resonance decaying to top quark pair in the dilepton final state with the ATLAS experiment / De Santis, Maurizio
Top quark pair production (tt̄) can be studied at the LHC with unprecented statistics [...]
CERN-THESIS-2019-413 - 251 p.

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2021-02-15
16:57
Investigation of the CP properties of VBF Higgs production in hadronic final states of $H\rightarrow \tau\tau$ decays with the ATLAS detector / Ordek, Serhat
A test of CP invariance of the VBF Higgs production process is presented in the $\tau\tau$ final state [...]
CERN-THESIS-2020-277 II.Physik-UniGö-Diss-2021/01. - 163 p.

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2021-02-11
17:05
Improving Four-Top-Quark Event Classification with Deep Learning Techniques using ATLAS Simulation / Schwan, Niklas Werner
A study on the potential of different types of Deep Neural Networks as classifiers for four-top-quark production is presented [...]
CERN-THESIS-2020-275 BONN-IB-2021-01. - 76 p.

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2021-01-25
19:20
Physics of the Higgs boson in the ditau decay channel with the ATLAS detector / Murrone, Alessia
This thesis presents two measurements performed in the $\Htautau$ channel and based on the proton-proton collisions data collected by the ATLAS experiment during 2015 and 2016 and corresponding to an integrated luminosity of 36.1~fb$^{-1}$ [...]
CERN-THESIS-2020-269 -

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2021-01-22
14:05
A Gluon Transverse Momentum Dependent Parton Distribution Function Analysis using $J/\psi + \gamma$ Final State at $\sqrt{s}$ = 13 TeV With ATLAS / Tee, Amy
This thesis describes a study into Transverse-Momentum-Dependent (TMD) distributions of gluons inside a proton, through a $J/\psi$ meson plus $\gamma$ final state [...]
CERN-THESIS-2021-003 - 215 p.

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2021-01-16
06:09
Aspects of Rare Production and Decay Processes of the Higgs Boson / Rauch, Daniel
The Higgs boson is the most recent fundamental particle to be experimentally observed [...]
CERN-THESIS-2020-262. - 2020. - 236 p.

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2021-01-13
16:20
Development of an LHC model in BDSIM to study collimation cleaning and beam-induced backgrounds at ATLAS / Walker, Stuart Derek
The Large Hadron Collider (LHC) is at the frontier of high energy physics [...]
CERN-THESIS-2019-410 - 194 p.

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