Internal Seminars SS 20

Thu 23.04.2020 9:00 (Zoom)

4 Master Midterm Presentations:

09:00: Paul Mork (RWTH)
Asymptotic expansion of Gradient Flow Integrals
09:45: Aiman El Asad (RWTH)
The Gradient-Flow formulation of the Energy Momentum Tensor in Scalar QCD
10:30: Joshua Schophoven (RWTH)
Renormalization of Effective Field Theories
11:15: Magnus Schaaf (RWTH)
gg->HZ in the threshold limit

Host: Robert Harlander

 

Tue 21.07.2020 10:00 (Zoom)

Bachelor Thesis Presentation:

Felix Eschment

Path Integrals, the Anharmonic Oscillator, and Deep Learning 

 

Host: Michal Czakon

 

Thu 23.04.2020 10:00 (Zoom)

Master Thesis Defense:

Thorben Finke (RWTH)

Deep learning for New Physik searches at the LHC

Host: Michael Krämer

 

Fri 24.04.2020 09:30 (Zoom)

PHD Defense:
Michael Korsmeier (RWTH and Torino)

Unveiling dark matter with cosmic messengers

Host: Michael Krämer

 

Wed 29.04.2020 10:00 (Zoom)

Master Midterm Presentation:

Maike Doerenkamp (RWTH)

Forecasts for the EUCLID survey

Host: Julien Lesgourgues

 

Thu 30.04.2020 10:00 (Zoom)

Master Midterm Presentation:

Niklas Becker (RWTH)

Early cosmology probes of decaying and interacting DM models

Host: Julien Lesgourgues

 

Thu 30.04.2020 10:45 (Zoom)

Master Midterm Presentation:

Georgios Samaras (RWTH)

Speeding up CLASS with neural networks

Host: Julien Lesgourgues

 

Tue 05.05.2020 09:15 (Zoom)

Master Midterm Presentation:

Tim Herbermann (RWTH)

Dark matter density spikes around primordial black holes

Host: Philipp Mertsch

 

Tue 05.05.2020 10:00 (Zoom)

Master Midterm Presentation:

Hanno Jacobs (RWTH)

Cosmic Ray Self-Confinement around Pulsars

Host: Philipp Mertsch

 

Thu 14.05.2020 12:00 (Zoom)

PhD Defense:

Jonas Klappert (RWTH)

Precision calculations for Higgs physics in the Standard Model and beyond

Host: Robert Harlander

 

Fri 26.06.2020 9:30 (Zoom)

Master Thesis Presentation:

Juliana Carraso Mejia (RWTH)

Long-lived Particles in Strongly Interacting Dark Sectors

Host: Felix Kahlhoefer

 

Fri 26.06.2020 10:30 (Zoom)

Master Midterm Presentation:
Jann Aschersleben (RWTH)

eROSITA/XMM-Newton/Suzaku cluster temperature cross-calibration with the UGC03957 galaxy cluster

Host: Felix Kahlhoefer

 

Tue 30.06.2020 16:00 (Zoom)

Colloquium of the CRC TRR 257:

Tilman Plehn (Uni Heidelberg)

How to GAN

Abstract:
LHC physics is unique in the sense that we compare highly complex data with first-principles predictions. These predictions usually rely on Monte Carlo simulations and inherit some of their limitations from this simulation technique. I will show how generative neural networks can be used as an alternative to Monte Carlo simulations and discuss advantages and disadvantages of both approaches. I will also discuss how generative networks can be used to invert Monte Carlo simulations, for instance to define a full phase space unfolding.

The first 30 minutes are reserved for a discussion session with students and young postdocs. The actual talk starts at 16.30.

Host: Kirill Melnikov

 

Wed 01.07.2020 11:00 (Zoom)

Master Midterm Presentation:
Frank Nixdorf (RWTH)

Fitting 2HDM

Host: Robert Harlander

 

Thu 02.07.2020 12:00 (Zoom)

Master Thesis Presentation:
Christian Partmann (RWTH)

Numerical modeling of cosmic magnetic fields in the kinematic approximation

Host: Julien Lesgourgues

 

Mon 13.07.2020 10:15 (Zoom)

Master Thesis Presentation:
Raphael Seidel (RWTH)

Feynman Rules For Massive And Massless Spinor Helicity Variables

Host: Christian Schwinn

 

Mon 13.07.2020 16:00 (Zoom)

Colloquium of the CRC TRR 257:

Tobias Huber (Uni Siegen)

Precision flavor physics

Abstract:
The majority of the Standard Model parameters can be associated with its Yukawa sector, and precision measurements and calculations in this sector are therefore crucial when searching for new phenomena. However, the determination of parameters in the quark sector faces the difficulty of confinement of quarks into hadrons. In particular, hadronic matrix elements in quark-flavor transitions are highly nontrivial to compute. Using examples,  I will review how precision can be gained -- perturbatively and non-perturbatively -- in such processes, where the limitations are, and how searches for new physics are impacted by these results.

The first 30 minutes are reserved for a discussion session with students and young postdocs. The actual talk starts at 16.30.

Host: Kirill Melnikov

 

Wed 15.07.2020 10:00 (Zoom)

2 Bachelor Thesis Presentations:

 

Tom Schellenberger (RWTH)

Bremsstrahlung in classical Yang-Mills theory

Jakob Linder (RWTH)

Darwin Lagrangian in klassischer Chromodynamik

Host: Christian Schwinn

 

Thu 16.07.2020 10:00 (Zoom)

Master Thesis Presentation:
Jonas Rongen (RWTH)

Scalar QED and QCD in the gradient-flow formalism

Host: Robert Harlander

 

Thu 16.07.2020 14:00 (Zoom)

4 Bachelor Thesis Presentations:

14:00 Maximilian Detering

Axion-like particles at accelerators

14:45 Valentin Pomakov

Analytic modelling of the reionisation of the Universe

15:45 Patrick Schillings

Dark cosmic rays

16:30 Florian Schulze

Stochastic sources of cosmic rays and the cosmic ray ionisation puzzle

Host: Philipp Mertsch

 

Tue 21.07.2020 10:00 (Zoom)

Bachelor Thesis Presentation:
Felix Eschment (RWTH)

Path Integrals, the Anharmonic Oscillator, and Deep Learning

Host: Michal Czakon

 

Wed 12.08.2020 10:00 (Zoom)

Bachelor Thesis Presentation:
Ivan Oleksiyuk (RWTH)

Unsupervised learning for tagging anomaly jets at LHC

Host: Michael Krämer

 

Mon 17.08.2020 11:30 (Zoom)

Master Thesis Presentation:
Joshua Rosaler (RWTH)

EFTGen: An Algorithm for Automatic Generation of Higher Dimensional Operators in Effective Field Theory

Host: Robert Harlander

 

Mon 17.08.2020 14:00 (Zoom)

3 Bachelor Thesis Presentations:

14:00 Ayberk Koc

Charm-/Strangequark-Effekte in der hadronischen Higgsstrahlung

14:30 Marie Hein

Asymptotic Expansion and the Gradient-Flow

15:00 Julian Rapp

Feynman Diagrams as a Parlor Game

Host: Robert Harlander

 

Wed 19.08.2020 11:00 (Zoom)

Bachelor Thesis Presentation:
Joep Geuskens (RWTH)

Sorting out Higgs decays to four fermions

Host: Michael Krämer

 

Fri 28.08.2020 10:20 (Zoom)

Bachelor Thesis Presentation:
Christian Radermacher (RWTH)

Precise initial conditions for cosmological simulations

Host: Julien Lesgourgues

 

Fri 28.08.2020 11:00 (Zoom)

Master Thesis Presentation:
Parth Bhargava (RWTH)

Beyond the Single-Stream Treatment of Cosmological Structure Formation in the Schrödinger Method

Host: Julien Lesgourgues

 

Tue 01.09.2020 14:00 (Zoom)

Master Thesis Midterm Presentation:
Kathrin Nippel (RWTH)

Learning Antiproton Spectra from Dark Matter Annihilations

Host: Felix Kahlhoefer

 

Tue 01.09.2020 15:00 (Zoom)

Master Thesis Midterm Presentation:
Jonas El Gammal (RWTH)

Improving Bayesian Inference on expensive Likelihoods with Gaussian Processes

Host: Julien Lesgourgues

 

Fri 18.09.2020 09:30 (Zoom)

PhD Defense:

Frederic Poncza (RWTH)

Reusing Monte Carlo Events for Parameter Scans at the LHC

Host: Michael Krämer