CERN Accelerating science

ATLAS Theses

Darreres entrades:
2024-08-27
15:23
The Smoking Gun: Search for a $CP$-odd Higgs boson decaying to a heavy $CP$-even Higgs boson and a $Z$ boson in the $\ell\ell t\bar{t}$ and $\nu\bar{\nu}b\bar{b}$ final states with the ATLAS experiment and upgrade of the ATLAS Inner Tracker for the High Luminosity LHC / Sharma, Punit
The Standard Model (SM) of particle physics is considered one of the most outstanding achievements of modern physics [...]
CERN-THESIS-2024-127 - 243 p.


Registre complet - Registres semblants
2024-08-23
15:47
Study of Kinematic Distributions in W Boson and D(*) Meson Production in pp Collisions / Bigalke, Birger
The production of a $W$ boson in association with a charm quark is a valuable process to study the relatively unconstrained strange quark parton distribution function of the proton [...]
CERN-THESIS-2024-123 - 98 p.


Registre complet - Registres semblants
2024-08-22
18:12
Semi-Supervised Learning for Semi-Visible Jets: A Search for Dark Matter Jets at the LHC with the ATLAS Detector / Busch, Elena
A search is presented for hadronic signatures of a strongly-coupled hidden dark sector, accessed via resonant production of a $Z'$ mediator [...]
CERN-THESIS-2024-122 - 176 p.


Registre complet - Registres semblants
2024-08-17
20:44
Searches for pair production of Higgs bosons in the $b\bar{b}b\bar{b}$ final state using the ATLAS detector, or: How I Learned to Stop Worrying and Love the QCD Background / Gasiorowski, Sean Joseph
This thesis discusses searches for pair production of Higgs bosons in the $b\bar{b}b\bar{b}$ final state using data recorded by the ATLAS detector from $\sqrt{s} = 13$ TeV proton-proton ($pp$) collisions during the full period of LHC Run 2 [...]
CERN-THESIS-2021-381 - 275 p.


Registre complet - Registres semblants
2024-08-14
18:44
First observation of the simultaneous production of a $W$ boson and two photons in proton-proton collisions. / Ambler, Alessandro
This thesis presents the first observation of the production of a $W$ boson in association with two photons in proton-proton collisions [...]
CERN-THESIS-2024-118 - 231 p.


Registre complet - Registres semblants
2024-08-09
18:51
Search for direct production of charginos and sleptons in LHC Run 2 $pp$ collision data collected by the ATLAS experiment, and discovery prospects for top-squark pair production at High-Luminosity LHC with the ATLAS detector / Greco, Matteo
Among the several beyond the Standard Model (BSM) theories, one of the most accredited is Supersymmetry (SUSY), foreseeing the existence of a new set of particles that could be observed at the Large Hadron Collider (LHC) [...]
CERN-THESIS-2024-113 - 219 p.


Registre complet - Registres semblants
2024-07-31
15:49
Sensitivity study on the Higgs boson's trilinear self-coupling with the VBS ssWWh signal at the ATLAS detector / Lehmann, Lisa Marie
Since the discovery of the Higgs boson in 2012 great progress has been made in precisely establishing its properties [...]
CERN-THESIS-2024-105 -


Registre complet - Registres semblants
2024-07-30
16:42
A search for low mass resonances decaying into two jets and produced in association with a photon and development of pattern recognition algorithms for identifying track candidates in the ATLAS ITk detector. / Harrison, Natalie
This thesis presents a search for new subatomic particles by looking for localized excesses in the dijet mass distribution of low-mass dijet events produced in association with a high transverse momentum initial stated radiated photon [...]
CERN-THESIS-2024-102 - 286 p.


Registre complet - Registres semblants
2024-07-28
22:48
The search for pair production of Higgs Bosons at the ATLAS experiment / Veliscek, Iza
The thesis presents the search for $HH\rightarrow b\bar{b}b\bar{b}$ that exploits the 126$\text{fb}^{-1}$ of proton-proton data collected by the ATLAS detector during the Large Hadron Collider Run 2 at $\sqrt{s} = 13\text{TeV}$ [...]
CERN-THESIS-2023-401 - 247 p.


Registre complet - Registres semblants
2024-07-26
11:33
Optimised displaced object identification and search for long-lived dark matter candidates in $H$ → $aa$ decays with the ATLAS detector / Haines, Emil
Many extensions to the Standard Model predict new long-lived particles (LLPs) whose existence can be probed by the Large Hadron Collider (LHC) [...]
CERN-THESIS-2024-099 -


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