Teilchenphysik

Abschlussarbeiten

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Wir bieten jederzeit Themen für Bachelor-, Master- und Doktorarbeiten zu aktuellen Forschungsfragen an. Eine Übersicht der aktuell verfügbaren Themen im Bereich der Teilchenphysik finden Sie unten auf dieser Seite. Auch einen Überblick über die in unserer Gruppe bisher zu diesem Thema angefertigten Abschlussarbeiten finden Sie weiter unten.

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Aktuell verfügbare Themen für Abschlussarbeiten

Abgeschlossene Abschlussarbeiten

Dissertationen Masterarbeiten Bachelorarbeiten

Dissertationen

Kevin Sedlaczek	With bottom-up to the top and beyond	August 2022
Sonja Zeißner	Development and Calibration of an s-Tagging Algorithm and Its Application to Constrain the CKM Matrix Elements \|Vts\| and \|Vtd\| in Top-Quark Decays Using ATLAS Run-2 Data	Juli 2021
Lennart Rustige	First evidence of standard model p p→ tttt production and performance studies of the ATLAS tile calorimeter for HL-LHC	Oktober 2020 (TU Dortmund & Université Clermont Auvergne)
Elena Freundlich	Searches for vector-like quarks with 13 TeV at the ATLAS experiment and development of a boosted-object tagger using a deep neural network	September 2020
Gregor Geßner	Search for flavour-changing neutral currents in processes with a single top quark in association with a photon using a deep neural network at the ATLAS experiment at √s = 13 TeV	Dezember 2019
Isabel Nitsche	Search for Higgs boson production in association with a single top quark and constraints on the H+b-jets background in the H->gamma gamma decay channel at the ATLAS experiment	August 2019
Ingo Burmeister	Measuring the b-tagging efficiency in ATLAS data at √s = 8TeV and √s = 13 TeV using the ρTrel-method	April 2017
Hendrik Esch	Measurement of the top quark mass in topologies enhanced with single top-quarks produced in the t-channel using flavour-tagging and a neural network with ATLAS data at √s=8 TeV	Oktober 2014

Masterarbeiten

Giulia Fazzino	Suppressing pile-up contributions in the formation of topological clusters in ATLAS	September 2024
Jan Jaekel	Jet-Lepton Overlap Removal Optimization in context of the boosted H to WW to lnuqq measurement using Run 2 data in ATLAS	April 2024
Simone Ruscelli	Feasibility studies for the extraction of the efficiency of boosted W/Z identification algorithms in diboson events using 13 TeV proton-proton collisions in ATLAS	September 2023
Donna Maria Mattern	Measurement of the top-quark pair to Z-boson production cross-section ratio at a centre-of-mass energy of √s = 13.6 TeV with the ATLAS detector	April 2023
Simon Neuhaus	Studies for the measurement of the production of top-quark pairs in association with a Z boson decaying to a pair of tau leptons with the ATLAS detector	Oktober 2022
Lucas Cremer	Sensitivity studies of the interference between FCNC and SM processes	Oktober 2022
Daniel Wall	Studies of radiative top quark processes with Bayesian neural networks	Oktober 2022
Michael Windau	Studies for a graph-based deep-learning method to improve isolation variables for photon identification with the ATLAS detector	April 2022
Aaron van der Graaf	A super-resolution GAN for photon identification at collider experiments	Oktober 2021
Lars Kolk	Systematic-aware top-quark pair reconstruction with deep learning	September 2021
Jan Lukas Späh	Data-driven corrections to shower shape variables for photon identification at the ATLAS experiment	September 2021
Florian Mausolf	Search for flavour-changing photon interactions in top-quark production and decay at the ATLAS experiment using deep neural networks	Mai 2021
Lars Röhrig	Estimating fake-lepton contributions in the framework of Bayesian statistics	Mai 2021
Benedikt Gocke	Search for flavour-changing photon interactions in top-quark production and decay with the ATLAS experiment	Oktober 2020
Alexander Froch	Parton Shower Simulations with Generative Adversarial Networks	Oktober 2020
Patrick Schmidt	Autoencoder for Anomaly Detection in tt-Events	Oktober 2020
Nils Julius Abicht	Study of convolutional neural networks for strange-tagging based on jet images from calorimeters	September 2020
Egor Evsenin-Gutschank	Development of a calibration strategy for the first strange tagger with the ATLAS detector at √s=13 TeV using full Run-2 data	September 2019
Abdulkärim Frempong	Studies for the search for pair produced scalar leptoquarks in proton-proton collisions decaying into top quarks and electrons or muons with the ATLAS detector at √s = 13 TeV	Januar 2019
Björn Wendland	First search for the single production of vector-like B quarks in the B → bH (→ γγ) decay channel using data corresponding to 79.8 fb-1taken with the ATLAS detector at √s = 13 TeV	Oktober 2018
Marius Nagel	Optimization of the Photon Identification at the ATLAS Experiment Using an Adversarially Trained Neural Network	September 2018
Salvatore La Cagnina	Studies of interference effects in processes with flavor-changing neutral currents including a tqγ coupling at the LHC	September 2018
Tim Kallage	Studies on the Reconstruction of Top-Quark Pairs Decaying in the Lepton+Jets Channel with Artificial Neural Networks	September 2018
Stella Oppermann	Development of an Event Selection Based on Machine Learning to Improve ttbar Reconstruction with the KLFitter Algorithm at the ATLAS Experiment	September 2018
Cornelius Grunwald	Constraining dimension-six effective operators through the combination of top quark measurements using EFTfitter	Dezember 2017
Frederic Schröder	Studies on the first search for single production of vector-like B-quarks with B->bH in the H->gamma gamma channel at sqrt(s)=13 TeV with the ATLAS detector	September 2017
Volker Austrup	Search for Single Vector-like Top Partners in the decay channel T->T(nunu)t(qqb) with sqrt(s)=13 TeV at the ATLAS experiment	September 2017
Lennart Rustige	Studies for the background estimation to the search for FCNCs in single top quark + photon production with the ATLAS experiment at √s=13 TeV	Februar 2017
Elena Freundlich	Studies for the Search for Pair Production of Vector-like Quarks in the Dilepton Channel QQ->Z(ll)q+X at √s=13 TeV with the ATLAS Experiment	Oktober 2016
Sonja Bartkowski	Development of a Search for Single Vector-Like Top Partners and Resonant Monotop Production with Boosted Top Quarks and ETmiss in pp Collisions with √s=13 TeV at the ATLAS Experiment	Oktober 2016
Kevin Nolte	Classification with case weights for Top Tagging	August 2016
Tobias Nickel	Comparison of the performance of the KLFitter algorithm at √s = 8 TeV and 13 TeV with the ATLAS detector using the ttbar-lepton+jets decay channel	März 2016
Isabel Nitsche	Studies on the prospect for the search for tH-production with H→γγ at √s=13 TeV with the ATLAS detector	September 2015
Tobias Kupfer	Studies on Substructure based Top Tagging for high pT Jets using Multivariate Techniques at √s=14 TeV with the ATLAS Detector	September 2015
Gregor Geßner	Measurement of the top quark mass in final states with three jets and one charged lepton at √s=8 TeV with the ATLAS experiment	September 2015
Lennart Behrendt	Optimierung der Performance von Algorithmen zur Identifikation von B-Jets auf Basis multivariater Methoden	September 2015

Bachelorarbeiten

Frederik Johannes Zielke	Characterization and manipulation of an anion beam for spectroscopy and trapping with the Borealis experiment	Juli 2024
Lennart Völz	Facilitating Bell inequality measurements in entangled H -> WW -> lvlv systems using machine learning techniques with the ATLAS experiment	Juli 2024
Max Möller	Interpretations of fiducial differential cross- section measurements of gluon fusion Higgs production in H->WW->lvlv decays in terms of a Standard Model Effective Field Theory with the ATLAS Experiment	Juli 2024
Joel Koch	Quark versus gluon tagging in the forward direction using topo-towers with the ATLAS detector	August 2023
Bastian Schuchardt	Achievable performance of boosted object identification algorithms using machine learning techniques in ATLAS	Juli 2023
Simon Unterste- Wilms	Performance of boosted object identification in fast simulation at the ATLAS Experiment	März 2023
Chiara Deponte	Studies on the properties of non-prompt photons at the ATLAS experiment, Bachelorarbeit	Juli 2022
Marina Andress	Studien zu den Aussichten der direkten Messung des CKM-Matrixelements V_td mit tW Ereignissen am ATLAS Experiment	Juli 2022
Niklas Düser	Studies to optimize the neural network input features for the search of same-sign top-quark production	Juni 2022
Lukas Riedel	Studies on using distance correlation for the estimation of jet background in photon identification at the ATLAS experiment	Januar 2022
Cihad Gözsüz	Neural network based signal-background classification for the differential single top+photon measurement at the ATLAS experiment	Juli 2021
Lisa Goldschmidtböing	Training Neural Networks on ATLAS Open Data to Separate Signal and Background of Single Top Quark Production in pp Collisions at 13 TeV	November 2020
Andrej Kusurmann	Fake lepton estimation in top quark processes with one electron or muon in the final state	Oktober 2020
Judith Gnade	Energy Conservation in Generative Adversarial Networks for Parton Shower Simulations	September 2020
Daniel Wall	Optimisation Studies for the Direct Measurement of the Top-Quark Decay Width using TATORTCleaner at the ATLAS Experiment	August 2020
Lucas Cremer	Untersuchung der Sensitivität von Messungen des differentiellen Wirkungsquerschnitts von Top-Paar-Produktion in Regionen hohen transversalen Impulses auf Dimension-Sechs-Operatoren am LHC	August 2020
Simon Nicklas Neuhaus	Sensitivitätsstudien für den Zerfall H → ss am LHC	August 2020
Donna Mattern	Testing profile-likelihood unfolding in top-quark measurements with the ATLAS experiment	August 2020
Cyrus Walther	Discrimination of Standard Model and EFT contributions in single top production with a photon	Juni 2020
Marcel Moczarski	Neural network studies for the search for flavour-changing tqy interactions with the ATLAS detector	Juni 2020
Nils Breer	Studien zur Verbesserung von Strange-Tagging in pp-Kollisionen durch die Rekonstruktion von Λ-Baronen	August 2019
Jonah Blank	Studies on event selection criteria for the non-resonant HH->bbbb decay channel	August 2019
Nicole Schulte	Study on the sensitivity of top quark spin correlations to supersymmetric top quark partners	August 2019
Saskia Kahl	Studien zur Verbesserung der Suchsensitivität nach einzeln produzierten Vector-like-Top-Quarks mit der Matrix-Element-Methode am ATLAS-Detektor	Juli 2019
Lars Kolk	Studies for a multi-class boosted object tagger at the ATLAS experiment	Juli 2019
Aaron van der Graaf	Studien zur Bestimmung von \|Vts\| in dileptonischen tt Zerfällen unter Berücksichtigung von rekonstruierten KS und Λ0	Juli 2019
Jan Lukas Späh	Studies for the sensitivity to dimension six operators in the context of effective field theories in singe-top-quark production with a photon	Juli 2019
Michael Windau	Studien über die Auswirkungen verschiedener b-Tagging-Arbeitspunkte auf die Performance eines Algorithmus zur Verbesserung der tt-Rekonstruktion am ATLAS-Experiment	Juli 2019
Philipp Hellmann	Aufbau einer Messanordnung zur Überprüfung der Szintillationseigenschaften von Polyethlennaphthalat	September 2018
Janina Nicolini	Kombination und EFT-Interpretation von Messungen des ttγ Produktionswirkungsquerschnitts in Proton-Proton-Kollisionen	Juli 2018
Benedikt Gocke	Suche nach einzeln produzierten Vector-like Top-Quarks am ATLAS Detektor mit der Matrix Element Methode	Juli 2018
Patrick Schmidt	Studien zur Optimierung der Photon-Isolation für die Suche nach einzelproduzierten vektorartigen B-Quarks im Zerfallskanal B → H(→ γγ)b am ATLAS-Detektor bei √s = 13 TeV	Juli 2018
Dominik Hellmann	Decay kinematics comparison of pair-produced leptoquarks and vector-like quarks in proton proton collisions at √s = 13 TeV at the LHC	Juli 2018
Alexander Froch	Signal and Background Discrimination for the Search of Single Vector-Like-Top-Quark Production at the ATLAS Detector with Artificial Neural Networks	Juli 2018
Andre Augustin	Studies on top tagging for intermediately boosted top quarks using machine learning with the ATLAS detector	April 2018
Tobias Decking	Studien zur Suche nach vektorartigen B-Quarks mit Hilfe von multivariaten Methoden und dem ATLAS-Detektor am LHC bei √s = 13 TeV	August 2017
Nils Julius Abicht	First studies on the distinction of strange and bottom jets with the ATLAS detector in Run 2	Juli 2017
Egor Evsenin-Gutschank	Studies of the Impact of the Isolation Criteria for the Measurements of Photon Identification Efficiencies with the ATLAS Detector at √s = 13 TeV	August 2016
Salvatore La Cagnina	Constraints on the top quark width from cross section and branching ratio measurements using EFTfitter	Juli 2016
Philip Boenke	Studies for the improvement of the uncertainty on measurements of the top-tagging efficiency in ttbar events at the ATLAS experiment	Juli 2016
Abdulkärim Frempong	Study of the mass dependent optimisation of the event selection for the single production Y → Wb vector-like quark search with one lepton in the final state with the ATLAS detector at √s = 13 TeV	Juli 2016
Valerie Hohm	Optimisation Studies for the Search for tH Production at the ATLAS Experiment with first √s = 13 TeV Monte Carlo Samples	Juli 2016
Tim Kallage	Performance Studies on the Reconstruction of Vector-Like Top Quark Pairs Decaying in the Channel TT → ZtWb with the KLFitter Algorithm at the ATLAS Experiment	Juli 2016
Simon Mahn	Optimierung der Untergrund-Unterdrückung bei der Suche nach Vector-Like-T-Quarks mit dem ATLAS-Detektor	Juli 2016
Marius Nagel	Jet Cleaning Studies for Monotop Topologies at the ATLAS Detector at √s = 13 TeV	Juli 2016
Stella Oppermann	Optimization Studies for the Boosted Event Selection in a Search for Vector-Like Quark Pair Production in the Channels TT→WbZt and BB→WtZb with the ATLAS Experiment	Juli 2016
Björn Wendland	KLFitter studies for semi-boosted ttbar events with the ATLAS detector at √s = 13 TeV	Juli 2016
Frederic Schröder	Studien zur Identifikation geboosteter Top-Quarks mit Substrukturvariablen kombiniert in einem künstlichen neuronalen Netz	Juli 2015
Sonja Bartkowski	Suppression of QCD-Multijet Background Using Multivariable Classification Methods	August 2014
Tobias Kupfer	Analyse der √s=7 TeV ATLAS-Daten aus 2011 zur Verbesserung der W+Jets-Untergrund-Bestimmung zur Messung der Masse des Top-Quarks	Oktober 2013
Isabel Nitsche	Optimization of the signal-background separation in the single-top t-channel at the ATLAS experiment using neural networks	Oktober 2013
Gregor Geßner	Systematic study about phase space separated b-tagging at the ATLAS experiment	Juli 2013

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