# ATLAS Theses

2021-09-10
22:56
 A Search for Exotic Higgs Decays or: How I Learned to Stop Worrying and Love Long-lived Particles" / Burzynski, Jackson Carl A novel search for exotic decays of the Higgs boson to pairs of long-lived neutral particles, each decaying to a bottom quark pair, is performed using 139~fb$^{-1}$ of $\sqrt{s} = 13$~TeV proton-proton collision data collected with the ATLAS detector at the LHC [...] CERN-THESIS-2021-129 - 264 p.

2021-09-10
18:58
 A Search for Heavy Resonances Decaying to $$HH \to b\bar{b}b\bar{b}$$ with the ATLAS Detector / Emerman, Alex \hspace{10mm}A search for Higgs boson pairs produced in the decay of high mass exotic resonances is presented [...] CERN-THESIS-2021-128 - 118 p.

2021-09-07
14:22
 Searches for New Physics in final states containing leptons, b-jets and MET at the ATLAS detector / Sullivan, Matthew James This Thesis documents analyses targeting BSM processes in final states containing leptons, $b$-jets and missing transverse energy at the ATLAS detector, as well as studies relevant for the high luminosity upgrade of ATLAS [...] CERN-THESIS-2020-364 -

2021-09-03
12:47
 A high data rate readout system for particle detectors based on FPGA-to-server ethernet connections and the eXpress Data Path technology / Dulsen, Carsten With the Large Hadron Collider (LHC) at CERN being upgraded to the high luminosity LHC (HL-LHC), the four major experiment (ATLAS, ALICE, CMS and LHCb) use the opportunity to also upgrade their systems [...] CERN-THESIS-2021-121 -

2021-09-01
14:44
 Novel Analysis Techniques and High-Speed Readout to Search for New Physics / Ilg, Armin The ATLAS experiment at the Large Hadron Collider is one of the most powerful tools for the measurement of the Standard Model properties and the search for new physics beyond it [...] CERN-THESIS-2021-119 - 123 p.

2021-09-01
09:38
 Signal selection optimization for the Vector Fusion Category in the WZ $\rightarrow \ell \nu \ell \ell$ resonance search analysis performed in ATLAS at the LHC / Kraft, Dennis The Standard Model of particle physics is currently the best model to describe the properties of elementary particles and their interaction with each other [...] CERN-THESIS-2021-118 - 46 p.

2021-09-01
03:40
 New Search for Higgs Boson Decay to a Beyond the Standard Model Vector Boson with the ATLAS Detector / Weber, Christian This dissertation presents the search for the beyond Standard Model process H -> ZZd -> 4l; the decay of a Higgs boson to four leptons via an intermediate Z boson and an intermediate beyond Standard Model dark vector boson Zd [...] CERN-THESIS-2020-363 - 157 p.

2021-08-31
11:52
 Study of the production of two same-charge polarised W bosons via vector boson scattering with neural networks / Lehmann, Lisa Marie The Standard Model of particle physics (SM) predicts in what way elementary particles can interact [...] CERN-THESIS-2021-117 -

2021-08-30
11:11
 Searches for new resonances decaying to a Higgs and a vector boson with the ATLAS detector at the LHC / Honle, Andreas Several physics phenomena cannot be explained by the otherwise experimentally thoroughly tested Standard Model of particle physics, implying that it is not a complete theory [...] CERN-THESIS-2021-116 - 302 p.

2021-08-23
18:26
 Search for Long-Lived Particles Produced in Proton-Proton Collisions at $\sqrt{s}$ =13 TeV That Decay to Displaced Hadronic Jets Detected With the Muon Spectrometer in ATLAS / Zhou, Hao The discovery of the Higgs boson in 2012 marked a great success of the Standard Model (SM) of particle physics [...] CERN-THESIS-2021-113 -