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DISSERTATIONEN - MASTERARBEITEN - BACHELORARBEITEN 2025
[PUBDB-2025-01195]
Book/Bachelor Thesis
Long-Lived Axion-Like Particles at the Future Circular Electron-Positron Collider
[DESY-THESIS-2025-007]
Hamburg : Verlag Deutsches Elektronen-Synchrotron DESY, DESY-THESIS 51 pp. (2025) [10.3204/PUBDB-2025-01195] = Bachelorarbeit, Universität Hamburg, 2025
As the leading theory in particle physics, the Standard Model (SM) defines our understanding of the subatomic world. However, observed phenomena have proven that the SM, despite its great success, is not complete yet and the search for particles Beyond the Standard Model (BSM) has surged ever since. [...]
[PUBDB-2025-01364]
Dissertation / PhD Thesis
Hidden symmetries in four-dimensional $\mathcal{N} = 2$ superconformal gauge theories
126 pp. (2025) [10.3204/PUBDB-2025-01364] = Dissertation, University of Hamburg, 2025
The integrability properties of $\mathcal{N}=4$ Super-Yang-Mills in the planar limit have been studied extensively and are well understood. For certain classes of theories, obtained by orbifolding $\mathcal{N}=4$ Super-Yang-Mills, it was shown that planar integrability is actually inherited and persists at the orbifold point. [...]
OpenAccess: PDF PDF (PDFA);
PDF PDF (PDFA);
[PUBDB-2025-00387]
Master Thesis
; ; ; et al Implementation of the Matrix Element Method and a Jet Clustering Algorithm with Machine Learning at Future Higgs Factories
104 pp. (2025) = Masterarbeit, Technische Universität München, 2024
A top priority of future collider programs is to measure the value of the Higgs self-coupling λ. Through double Higgs production (ZHH), this is possible by direct measurement at lepton colliders. [...]
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[PUBDB-2025-01265]
Master Thesis
; ; ; et al Implementation of the Matrix Element Method and a Jet Clustering Algorithm with Machine Learning at Future Higgs Factories
104 pp. (2025) = Masterarbeit, Technische Universität München, 2024
A top priority of future collider programs is to measure the value of the Higgs self-coupling λ. Through double Higgs production (ZHH), this is possible by direct measurement at lepton col-liders. [...]
Restricted: PDF PDF (PDFA);
PDF PDF (PDFA);
[PUBDB-2025-01037]
Book/Dissertation / PhD Thesis
Performance Evaluation of the FASTPIX Silicon Pixel SensorTechnology Demonstrator for High-PrecisionTracking and Timing
[DESY-THESIS-2025-006]
Hamburg : Verlag Deutsches Elektronen-Synchrotron DESY, DESY-THESIS 185 pp. (2025) [10.3204/PUBDB-2025-01037] = Dissertation, Universität Hamburg, 2024
The advancement of particle physics through current and future collider facilities pushes theboundaries of technology in HEP instrumentation. Experiments at the energy and intensityfrontier focus on high-precision measurements of Standard Model physics and searches forphysics beyond the Standard Model. [...]
[PUBDB-2025-01019]
Book/Dissertation / PhD Thesis
Test Beam Studies of Prototype Module and Test Measurements of MaPSA for the CMS Outer Tracker Phase-2 Upgrade
[DESY-THESIS-2025-005]
Hamburg : Verlag Deutsches Elektronen-Synchrotron DESY, DESY-THESIS 174 pp. (2025) [10.3204/PUBDB-2025-01019] = Dissertation, Universität Hamburg, 2025
The High-Luminosity Large Hadron Collider (HL-LHC) represents a significant leap inthe pursuit of fundamental physics. Scheduled to operate at a center-of-mass energy of14 TeV and a peak instantaneous luminosity up to 7. [...]
[PUBDB-2025-01533]
Dissertation / PhD Thesis
; ; Scintillating Nanocomposites Based on Lead Halide Perovskite Nanocrystals
123 pp. (2025) = Dissertation, Scuola Di Dottorato Universita Degli Studi Di Milano-Bicocca, 2023/2024
In recent years, perovskite nanocrystals (CsPbX3, with X = Cl, Br, I) have emerged as a new class of materials for photonic and optoelectronic applications due to their exceptional synthetic scalability through solution-based processes, room-temperature fabrication and remarkable physical properties such as high emission efficiency and defect tolerance. Additionally, these materials possess tunable optical properties through controlled adjustments of their size and composition. [...]
[PUBDB-2025-01709]
Dissertation / PhD Thesis
; THE HIGGS BRANCH OF SIX DIMENSIONAL SUPERSYMMETRIC THEORIES:MAGNETIC QUIVERS, GEOMETRY, AND HASSE DIAGRAMS
217 pp. (2025) = Dissertation, University of Hamburg, 2025
In this thesis, we report recent advancements in the understanding of Higgs branch moduli spacesof six-dimensional (1,0) supersymmetric quantum field theories, along with related developments.These progresses have been achieved by exploiting the interplay between geometrical engineeringand techniques in quiver gauge theories, leading to new insights into the Higgs mechanism’s actionin higher-dimensional supersymmetric theories.Paper I: We present an extension of the magnetic quiver technique to a class of non-gravitationalsupersymmetric quantum field theories in six dimensions known as Little String Theories (LSTs).These theories also exhibit a higher-group symmetry structure. Notably, we prove a monotonicitytheorem describing the evolution of κR, a quantity characterizing the higher group symmetry, underpartial Higgsing patterns.Paper II: Specializing to a brane engineering framework, we construct a family of LST modelswith a natural interpretation as an F-theory compactification. [...]
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[PUBDB-2025-00811]
Book/Dissertation / PhD Thesis
Development of a Tree-Based Model for the Fast Generation of Large Point Clouds Representing Particle Showers in Calorimeters
[DESY-THESIS-2025-003]
Hamburg : Verlag Deutsches Elektronen-Synchrotron DESY, DESY-THESIS 233 pp. (2025) [10.3204/PUBDB-2025-00811] = Dissertation, RWTH Aachen University, 2025
In High-Energy Physics, detailed and time-consuming simulations are neededto describe particle showers in calorimeters. These particle showers arerecorded as energy deposits (hits) in the cells of the detector. [...]
OpenAccess: desy-thesis-25-003.title - PDF PDF (PDFA); Moritz Scham thesis_publication - PDF PDF (PDFA);
PDF PDF (PDFA); Moritz Scham thesis_publication - PDF PDF (PDFA);
[PUBDB-2025-00311]
Dissertation / PhD Thesis
; ; TCAD Simulations and Test Beam Characterization of MAPS for Future Lepton Colliders
124 pp. (2025) = Dissertation, University of Bonn, 2024
Monolithic active pixel sensors (MAPS) produced in a 65 nm CMOS imaging technology are being investigated for applications in particle physics. The MAPS design has a small collection electrode with an input capacitance of ~fF, granting a high signal-to-noise ratio and low power consumption. [...]
[PUBDB-2025-00758]
Book/Dissertation / PhD Thesis
From detectors to data: Thermal Characterization of CMS Outer Tracker modules and Measurement of the top quark mass using $t$$\overline{t}$$\large{+}$ jet events
[DESY-THESIS-2025-002]
Hamburg : Verlag Deutsches Elektronen-Synchrotron DESY, DESY-THESIS 248 pp. (2025) [10.3204/PUBDB-2025-00758] = Dissertation, Bergische Universität Wuppertal, 2025
This thesis addresses key challenges in modern particle physics by contributing to three critical areas: the development of particle detectors, their calibration and the analysis of data collected in particle physics experiments. Contributions to these areas are presented in the context of the Compact Muon Solenoid (CMS) experiment at the Large Hadron Collider (LHC). [...]
OpenAccess: Ana_Ventura_Barroso_thesisFinal - PDF PDF (PDFA); desy-thesis-25-002.title - PDF PDF (PDFA);
PDF PDF (PDFA); desy-thesis-25-002.title - PDF PDF (PDFA);
[PUBDB-2025-00829]
Book/Dissertation / PhD Thesis
Search for dark matter using heavy object tagging and angular correlations with missing momentum with one electron or muon with Run 2 data of the CMS Experiment
[DESY-THESIS-2025-004]
Hamburg : Verlag Deutsches Elektronen-Synchrotron DESY, DESY-THESIS 165 pp. (2025) [10.3204/PUBDB-2025-00829] = Dissertation, RWTH Aachen University, 2024
This thesis presents a search for supersymmetry using 138 fb−1 of proton-proton collisionat center-of-mass energy of √s = 13 TeV. The data was collected by the CMS detectorat the LHC at CERN in 2016–2018. [...]
