ATLAS Theses

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2018-04-19
06:37

Measurement of the top quark pair production cross section and simultaneous extraction of the W heavy flavor fraction at $\sqrt{s}$ = 7 TeV with the ATLAS detector at the LHC / Roe, Adam
The top quark pair production cross section, $\sigma_{t\bar{t}}$, is measured in the semileptonic channel in two datasets using a binned profiled likelihood template fit to data to discriminate the signal, $t\bar{t}$, from its main background, the production of a $W$-boson in association with jets ( [...]
II.Physik-UniGö-Diss-2012/04 ; CERN-THESIS-2012-476. - 167 p.

2018-04-18
06:13

Development of the readout for the IBL upgrade project of the ATLAS Pixel Detector / Krieger, Nina
The LHC luminosity is upgraded in several phases until 2022 [...]
II.Physik-UniGö-Diss-2012/08 ; CERN-THESIS-2012-474. - 117 p.

2018-04-18
06:13

$Z \to \tau_h \tau_l$ cross section measurement and $\tau \tau$ mass reconstruction with the ATLAS detector at the LHC / Evangelakou, Despoina
In this dissertation, the $Z \to \tau \tau$ decay where one $\tau$ decays leptonically and the other one hadronically is presented [...]
II.Physik-UniGö-Diss-2012/06 ; CERN-THESIS-2012-475. - 160 p.

2018-04-17
11:09

Insertable B-Layer integration in the ATLAS experiment and development of future 3D silicon pixel sensors / Franconi, Laura
This work has two distinct objectives: the development of software for the integration of the Insertable B-Layer (IBL) in the ATLAS offline software framework and the study of the performance of 3D silicon sensors produced by SINTEF for future silicon pixel detectors [...]
CERN-THESIS-2018-029. - 276 p.

2018-04-17
06:56

Physics with jets in association with a $Z$ boson in pp-collisions with the ATLAS detector at the Large Hadron Collider / Bierwagen, Katharina
This thesis presents the measurements of the production cross section of jets in association with a $Z$ boson in pp-collisions at $\sqrt{s}$ = 7 TeV with an integrated luminosity of $\int L \text{d}t$ = 36 pb${−1}$ and $\int L \text{d}t$ = 4.6 fb$^{−1}$ recorded by the ATLAS experiment at the La [...]
CERN-THESIS-2013-467. - 250 p.

2018-04-14
21:08

2018-04-13
23:09

Study of run time errors of the ATLAS Pixel Detector in the 2012 data taking period / Gandrajula, Reddy Pratap
The high resolution silicon Pixel detector is critical in event vertex reconstruction and in particle track reconstruction in the ATLAS detector [...]
CERN-THESIS-2013-466 - Iowa City, IA, USA : University of Iowa Iowa Research Online, 2013-05-16. - 42 p.

2018-04-13
06:37

Direct top quark decay width measurement in the $t \bar{t}$ lepton+jets channel at $\sqrt {s}$ = 8 TeV with the ATLAS experiment / Stolte-Cord to Krax, Philipp
The top quark $t$ plays an essential role in the field of elementary particle physics - in particular due to its exceptional properties comprising a large mass, which approximately equals the mass of a tungsten atom, and an enormously short lifetime [...]
CERN-THESIS-2017-351 ; II.Physik-UniGö-Diss-2017/03. - 256 p.

2018-04-13
04:59

Measurements of the Properties of the Higgs-Like Boson in the Four Lepton Decay Channel with the ATLAS Detector / Cao, Tingting
On July 4, 2012, experimental physicists from both the A Toroidal LHC Apparatus (ATLAS), and the Compact Muon Solenoid (CMS) experiments at the Large Hadron Collider(LHC), reported evidence for the existence of a particle consistent with the Higgs boson at the level of 5 standard deviations, with a [...]
CERN-THESIS-2016-366 - 189 p.

2018-04-13
04:39

Using VH Associated Production to Search for the $b\bar{b}$ Decay of the Higgs Boson with Data from the ATLAS Detector at $\sqrt{s}=13\mathrm{TeV}$ / Hetherly, Jeffrey Wayne
Two analyses, using the vector-boson-associated production of the Higgs boson in which the Higgs then decays to a pair of $b$-quarks using data collected with the \atlas\ detector during 2015 and 2016 at a center-of-mass energy of $\sqrt{s}=\SI{13}{\tera\electronvolt}$, are presented [...]
CERN-THESIS-2017-350 - 245 p.

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