Institute for Theoretical Particle Physics (TTP)

Bachelor and Master theses


If you would like to do your Bachelor or Master thesis at the TTP, please send an email to one of the professors or simply come by for a chat! Also, talk to the current students at the Institute about their experience. These first-hand accounts will give you a good idea of how your life will look like if you decide to join us. You can find a list of completed Bachelor and Master theses below.

Completed Bachelor theses:

  • Alexander Eberhart Hadronic Corrections to the Muon Decay (Advisor: Steinhauser)
  • Julian Hamm A UV-Complete Theory of Flavor (Advisor: Nierste)
  • Simon Neuland Resonant dark matter annihilations in the early Universe (Advisor: Kahlhöfer)
  • Philip Pfohl The Mellin-Barnes-Method for Calculating Loop Integrals (Advisor: Steinhauser)
  • Lennard Damer One-Loop Integrals for $gg \to W^+ W^-$ in the Limit of Small and Large Top Quark Masses (Advisor: Steinhauser)
  • Henning Bröker The Saxion as Dark Matter (Advisor: Nierste)
  • Jonas Kohnen Semiklassische Näherung der selbstinteragierenden dunklen Materie (Advisor: Kahlhöfer)
  • Ben Eckardt Properties of Iterated Integrals - an Implementation in Mathematica (Advisor: Steinhauser)
  • Simon Böhly UV-Completion of Effective Higgs Triplet Model (Advisor: Nierste)
  • Kevin Steiner Anharmonic Oscillator: Pertubation Theory at High Orders (Advisor: Melnikov)
  • Karo Lina Erhardt Modified Integration-By-Parts Relations in the Context of Soft Gluon Emission (Advisor: Melnikov)
  • Simon Ihle A Grand Unified Theory of Flavour (Advisor: Nierste)
  • Raphael Krüger Scattering Amplitudes for the $W$-Production from two Quarks under Emission of Photons and Gluons (Advisor: Melnikov)
  • Johann Plotnikov Real radiation corrections to $gg \to H$ in the infinite top mass limit (Advisor: Steinhauser)
  • Daniel Hollarek $SU(3)_F$ Based Tests for CP Violating New Physics in $D$-Decays (Advisor: Nierste)
  • Henda Mansour Next-to-leading order virtual corrections to gluon-fusion Higgs production at the LHC (Advisor: Steinhauser)
  • Sophie Klingel Flavorverletzende Zerfälle von Hadronen und Leptonen in dunkle Photonen (Advisor: Nierste)
  • Maximilian Detering Axion production in fixed-target experiments (Advisor: Kahlhöfer)
  • Jonas Spinner Dimension 7 Operators in Tritium Beta decay (Advisor: Nierste)
  • Felix Wüst Renormalization-Group Fixed-Point Solutions for Couplings in Theories Beyond the Standard Model (Advisor: Nierste)
  • Hannes Heisler Construction of a model with gauged flavour symmetry (Advisor: Nierste)
  • Anke Stöltzel Symmetrien und Massen im Drei-Higgs-Dublett-Modell (Advisor: Nierste)
  • Joachim Weiss One-loop corrections to the muon anomalous magnetic moment (Advisor: Steinhauser)
  • Yannick Sohnle Moreno Treshhold production of top quarks (Advisor: Steinhauser)
  • Jendrik Marijan New Physics explanation of CPV in the charm system (Advisor: Nierste)
  • Andrea Perez Sanchez Experimental Signatures for Dark Matter Models with Light Mediators (Advisor: Kahlhöfer)
  • Jonas Frerick Self-interacting Dark Matter from the Yukawa potential: From astrophysical data to particle properties (Advisor: Kahlhöfer)
  • Rebecca von Kuk Higgs decay into two photons and variation of the Yukawa coupling (Advisor: Melnikov)
  • Felix Egle Comparative study of several programs used for the reduction to master integrals (Advisor: Steinhauser)
  • Simon Adam One-loop Feynman integrals for Higgs boson pair production using differential equations (Advisor: Steinhauser)
  • Nicolas Grivas Supersymmetry in Quantum Chromodynamics (Advisor: Nierste)
  • Sander Lindelauf Statistical Methods for Direct Detection of Dark Matter (Advisor: Kahlhöfer)
  • Arthur Kähm Determination of the strong coupling constant $\alpha_s$ from measurements of $\sigma(e^+ e^- \to \text{hadrons})$ (Advisor: Steinhauser)
  • Daniel Baranowski Scattering amplitude for Higgs plus jet production in the high energy limit (Advisor: Melnikov)
  • Marc Beutter Scalar two-loop threshold integrals with two masses (Advisor: Steinhauser)
  • Mustafa Tabet Approximate $SU(3)_F$ Sum Rules in Charm Decays (Advisor: Nierste)
  • Florian Herren Aspects of gauge coupling unification (Advisor: Steinhauser)
  • Thea Moosmayer Feynman inegrals and harmonic polylogarithms (Advisor: Steinhauser)
  • Heiko Schäfer-Siebert Approximate sum rules for non leptonic three- and two-body decays of $B$-Mesons (Advisor: Nierste)
  • Tobias Mistele Sum Rules for $B$-Meson Decays with $b \to s$ Transitions from the Wigner-Eckart-Theorem (Advisor: Nierste)
  • Alexander Jesser Two-loop tadpole integrals with several masses (Advisor: Steinhauser)
  • Julia Gehrlein A $SU(5) \times A_5$ Flavour Model (Advisor: Nierste)
  • Konstantin Asteriadis Isospin Symmetry in $B$-Meson Decays with $b \to s$ Transitions (Advisor: Nierste)
  • Felix Metzner Optimization of a superconducting racetrack undulator model (Advisor: Steinhauser)
  • David Wellmann The Strong-Coupling Constant in a Momentum Substraction Scheme (Advisor: Steinhauser)
  • Daniel Weiss Properties, Representations and Lie Groups of four-dimensional, complex Lie Algebras (Advisor: Nierste)
  • Daniela Schäfer A $SU(5) \times A_5$ Flavour Model (Advisor: Nierste)
  • Jens Oppermann A $SU(5) \times A_5$ Flavour Model (Advisor: Nierste)
  • Jonas Müller Nonleptonic $B$-Meson Decays in Two or Three Pseudoscalars with a $b \to d$ Transition under Isospin Symmetry (Advisor: Nierste)
  • Jonas Wittbrodt The effective potential in quantum field theories (Advisor: Mihaila)
  • Tobias Boltz Lattice-based approximations of path integrals in quantum mechanics (Advisor: Steinhauser)
  • Michael Waßmer Application of the Wigner-Eckart-Theorem to $B$-Meson Decays with $b \to d$ Transitions (Advisor: Nierste)
  • Robert Stierlen Magnetic field simulations of a racetrack superconducting undulator (Advisor: Steinhauser)
  • Viktoria Kungel The deviation from the exponential law in the decay (Advisor: Nierste)
  • Thomas Deppisch Dreidimensionale Lie-Algebren und ihre Darstellungen (Advisor: Nierste)
  • Alexander Kwiatkowski Calculation of the top quark pair production cross section in $e^+ e^-$-annihilation at threshold (Advisor: Steinhauser)
  • Johann Frank Neurino masses and oscillations (Advisor: Nierste)
  • Barbara Schmidt CRunDec: Running and decoupling of the strong coupling and quark masses (Advisor: Steinhauser)



Completed Master theses:

  • Joachim Weiss A Visible QCD Axion Addressing $(g - 2)_\mu$ (Advisor: Nierste)
  • Kai Böse Dark Showers at LHCb (Advisor: Kahlhöfer)
  • Rebecca Olga Kuk von Next-to-leading-order virtual quantum chromodynamic corrections to diphoton production via gluon fusion (Advisor: Steinhauser)
  • Sven Günther Constraining Dark Matter using likelihood-free inference (Advisor: Kahlhöfer)
  • Jonas Frerick Exothermic Dark Matter from Upscattering in the Earth (Advisor: Kahlhöfer)
  • Johannes Reinking Infra-red Factorisation in Power Suppressed Contributions to $pp \to H + jet_c$ at the LHC (Advisor: Melnikov)
  • Carlo Tasillo Listening to hot dark sector phase transitions (Advisor: Kahlhöfer)
  • Manuel Egner Charm Quark Mass Effects to NRQCD Matching Coefficients and the $Y(1S)$ Decay (Advisor: Steinhauser)
  • Kathrin Nippel Constraining Dark Matter Annihilation with Cosmic Ray Antiprotons using Neural Networks (Advisor: Kahlhöfer)
  • Lucas Kunz Unified Theories with spontaneously broken flavour symmetry (Advisor: Nierste)
  • Marvin Gerlach Matching in QCD and NRQCD (Advisor: Steinhauser)
  • Tim Herbermann Dark Matter Density Spikes around Primordial Black Holes (Advisor: Kahlhöfer)
  • Daniel Baranowski Beam function through higher orders in $(d-4)$ (Advisor: Melnikov)
  • Martin Lang Inclusive decay rates of bottom and charm hadrons (Advisor: Nierste)
  • Juliana Carrasco Mejia Long-lived particles in Strongly Interacting Dark Sectors (Advisor: Kahlhöfer)
  • Mustafa Tabet Spontaneous CP-Violation in the Two-Higgs-Doublet Model of Type-III (Advisor: Nierste)
  • Einar Urdshals Atomic dark matter with a massive mediator (Advisor: Kahlhöfer)
  • Lena Salfenmoser Generalized Unitarity in an Electroweak Theory (Advisor: Melnikov)
  • Stefan Schulte Probing Dark Matter Simplified Models with Dilepton Resonance Searches (Advisor: Kahlhöfer)
  • Florian Herren Three-loop beta functions in the Standard Model and beyond (Advisor: Steinhauser)
  • Eike Müller Millicharged Dark Matter and Cosmology of Light Mediators in a Stückelberg Extension of the Standard Model (Advisor: Kahlhöfer)
  • Maximilan Delto The double-soft integral (Advisor: Melnikov)
  • Matthias Linster A Realistic $U(2)$ Model of Flavor (Advisor: Nierste)
  • Saniya Heeba Freeze-in Production of Dark Matter via the Higgs Portal (Advisor: Kahlhöfer)
  • Julia Gehrlein Corrections to neutrino mass and angle sum rules (Advisor: Nierste)
  • Konstantin Asteriadis Integrantenreduktion von 2-Schleifendiagrammen (Advisor: Melnikov)
  • Jakob Schwichtenberg Dark Matter in $E_6$ Grand Unification (Advisor: Nierste)
  • David Wellmann Four-Loop Master Integrals of $\overline{{\rm MS}}$-${\rm OS}$ Quark Mass Relation to the order $\alpha_s^4$ (Advisor: Steinhauser)
  • Georg Winner Light Particles of New Physics in $\beta$-Decay Experiments (Advisor: Nierste)
  • Andreas Pargner Lepton Flavor Violation in the Minimal Supersymmetric Standard Model and the Anomalous Magnetic Moment of the Muon (Advisor: Nierste)
  • Thomas Deppisch Imprints of Exotic Fermions from $E_6$ Gut Models on Flavour Physics (Advisor: Nierste)
  • Barbara Schmidt Corrections of order $\alpha \alpha_s$ to the decay width $\Gamma(h \to b \overline{b})$ (Advisor: Steinhauser)


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