CERN Theses

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2024-11-02
20:02

Study of Gas Electron Multiplier Detectors For The CMS Experiment At The LHC \& Its Application In Other Fields / Kumar, Sunil
The muon system of Compact Muon Solenoid (CMS) is intended for prompt and accurate identification of muons generated from proton-proton (p-p) collisions [...]
CERN-THESIS-2024-220 - 2024

2024-11-01
10:49

Matériaux à faible masse et leur refroidissement pour de futurs capteurs dédiés à la physique à haute énergie / Dias, Matheo
Dans les détecteurs au silicium les plus avancés de la physique des hautes énergies, des composites stratifiés en fibres de carbone soutiennent les capteurs au silicium à pixels ou à microbandes [...]
CERN-THESIS-2024-219 - 2024 - 232.

2024-10-31
22:51

Using angular correlations to investigate strange quark production in p-Pb collisions / Hannigan, Ryan
Quantum chromodynamics (QCD) is the branch of fundamental particle physics that studies the strong interaction, which is responsible for binding quarks and gluons into the familiar protons and neutrons that compose almost all ordinary matter [...]
CERN-THESIS-2023-424 - 2023 - 261.

2024-10-31
17:26

Slow Extraction: Upgrades for Next Ion Medical Machines at FLASH timescales / Taylor, Rebecca
Slow resonant extraction is the control of resonant beams to extract a continuous rate of particles from the accelerator, over seconds [...]
CERN-THESIS-2024-218 - London : Spiral, 2024-11-01 - 214.

2024-10-31
11:24

Development and Reliability Testing of a new Low-Voltage Power Supply for the ATLAS Hadronic Tile-Calorimeter Phase-II Upgrade / Mckenzie, Ryan Peter
The Large Hadron Collider (LHC), located at the Conseil Européen pour la Recherche Nucléaire (CERN) also known as the European Laboratory of Particle Physics, is a two- ring-superconducting-hadron accelerator and collider located on the Franco-Swiss bor- der [...]
CERN-THESIS-2024-217 - 2024

2024-10-30
15:04

Search for Lepton Flavour violating decay $B^0 \to K^{∗0}τ^\pm e^\mp$ with the LHCb experiment, contribution in Rare Decay trigger configuration and implementation of isolation tools for the Upgrade of the detector / Fulghesu, Tommaso
In the thesis, I present my two main contributions to the LHCb experiment.The first one concerns the development and configuration of the LHCb software trigger for the LHCb Upgrade [...]
CERN-THESIS-2024-216 - 2024 - 330.

2024-10-30
12:29

ATLAS实验含tau末态超对称粒子的寻找 / Cai, Yuchen
The Standard Model (SM) is a successful theory describing the fundamental particles and their interactions [...]
CERN-THESIS-2024-215 - 2024 - 212.

2024-10-30
10:57

Measurement of differential cross sections in $t\bar{t}$ and $t\bar{t}$+jets production in the lepton+jets decay mode in $pp$ collisions at $\sqrt{s}=13$ TeV using 140 fb$^{-1}$ of ATLAS data including the extraction of $\alpha_\text{S}$ and in situ calibration of jets / Principe Martin, Miguel Angel
This thesis presents measurements of absolute and normalised differential cross sections for $t\bar{t}$ production in the $\ell$+jets channel in proton$-$proton collisions at a centre-of-mass energy of 13 TeV with 140 fb$^{-1}$ of integrated luminosity recorded by the ATLAS detector at the LHC [...]
CERN-THESIS-2024-214 - 2024 - 242.

2024-10-30
10:42

Heavy-Flavour Tagging and Measurement of the $t\bar{t}H$ Production Cross-Section in the $H \rightarrow b \bar{b}$ Decay Channel at the ATLAS Experiment / Froch, Alexander
With the final missing piece of the Standard Model of particle physics (SM), the Higgs boson, discovered in 2012 by the ATLAS and CMS experiments at the Large Hadron Collider (LHC) at CERN, both experiments have shifted their focus towards a precise determination of the properties of the new boson [...]
CERN-THESIS-2024-213 - Freiburg : Albert-Ludwigs Universität Freiburg, 2024-10-30 - 295.

2024-10-30
10:40

An interference search for new scalar and pseudoscalar states decaying to a top-anti-top quark pair with the ATLAS experiment / De Biase, Nicola
A search for heavy pseudoscalar ($A$) and scalar ($H$) Higgs bosons decaying into a top-quark pair ($t\bar{t}$) is presented [...]
CERN-THESIS-2024-212 - 2024 - 190.

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