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:

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

Completed Master theses:

• Konstantin Asteriadis Integrantenreduktion von 2-Schleifendiagrammen (Referent: Melnikov)
• Daniel Baranowski Beam function through higher orders in $(d-4)$ (Referent: Melnikov)
• Carl Delto Double soft 6 triple collinear functions for NNLO calculations (Referent: Melnikov)
• Thomas Deppisch Imprints of Exotic Fermions from $E_6$ Gut Models on Flavour Physics (Referent: Nierste)
• Manuel Egner Charm Quark Mass Effects to NRQCD Matching Coefficients and the $Y(1S)$ Decay (Referent: Steinhauser)
• Julia Gehrlein Corrections to neutrino mass and angle sum rules (Referent: Nierste)
• Marvin Gerlach Matching in QCD and NRQCD (Referent: Steinhauser)
• Florian Herren Three-loop beta functions in the Standard Model and beyond (Referent: Steinhauser)
• Rebecca Olga Kuk von Next-to-leading-order virtual quantum chromodynamic corrections to diphoton production via gluon fusion (Referent: Steinhauser)
• Lucas Kunz Unified Theories with spontaneously broken flavour symmetry (Referent: Nierste)
• Martin Lang Inclusive decay rates of bottom and charm hadrons (Referent: Nierste)
• Matthias Linster A Realistic $U(2)$ Model of Flavor (Referent: Nierste)
• Andreas Pargner Lepton Flavor Violation in the Minimal Supersymmetric Standard Model and the Anomalous Magnetic Moment of the Muon (Referent: Nierste)
• Johannes Reinking Infra-red Factorisation in Power Suppressed Contributions to $pp \to H + jet_c$ at the LHC (Referent: Melnikov)
• Lena Salfenmoser Generalized Unitarity in an Electroweak Theory (Referent: Melnikov)
• Barbara Schmidt Corrections of order $\alpha \alpha_s$ to the decay width $\Gamma(h \to b \overline{b})$ (Referent: Steinhauser)
• Jakob Schwichtenberg Dark Matter in $E_6$ Grand Unification (Referent: Nierste)
• Mustafa Tabet Spontaneous CP-Violation in the Two-Higgs-Doublet Model of Type-III (Referent: Nierste)
• Joachim Weiss A Visible QCD Axion Addressing $(g - 2)_\mu$ (Referent: Nierste)
• David Wellmann Four-Loop Master Integrals of $\overline{{\rm MS}}$-${\rm OS}$ Quark Mass Relation to the order $\alpha_s^4$ (Referent: Steinhauser)
• Georg Winner Light Particles of New Physics in $\beta$-Decay Experiments (Referent: Nierste)

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