Team
Ferhat Altun
Masterstudent
Raum
Details
I am working on the ALIS setup, and performing efficiency measurements for an AlO anion beam. My work will allow more precise measurements of Aluminum-26, a cosmogenic nuclide which is of high interest in geochronology.
Sebastian Brünsing
Operateur
Raum
Details
I am operating both the 6 MV Tandetron accelerator, as well as of the 10 MV FN Tandem accelerator. I am also involved in the development of electronic systems enhancing our setups in the future.
Martina Gwozdz
Doktorandin
Raum
Details
My field of research is Accelerator Mass Spectrometry using gaseous carbon-dioxide samples. Using a combination of an Elemental Analyzer, an Isotope Ratio Mass Spectrometer and a gas system I am pushing the limits for ultra-sensitive carbon-14 dating.
Dr. Stefan Heinze
Wissenschaftler (Akad. Oberrat)
Raum
Details
I am the head of operation at the 6 MV AMS maschine. I am responsible for all AMS measurements performed at CologneAMS and overlook the safety of all users. I am also involved in various research and development projects at the 6 MV AMS maschine.
Natasha Kalanke
PhD Student
Raum
Details
My PhD study is in exposure dating using AMS of Clorine-36 isotopes in calcium sulfate containing sediments and evaporites. The expected results will show increased levels of isobaric suppression thereby allowing precise isotopic ratio measurements.
Prof. Dr. Dennis Mücher
Gruppenleiter
Webseite
Raum
Details
Since the summer of 2022 I am fortunate to work with this fantastic team on various aspects of applied nuclear physics. My personal interest is the origin of the elements in the universe. I am also working in the field of medical applications.
Timm-Florian Pabst
Doktorand
Raum
Details
I have completed my Masters degree setting up a low-energy AMS system for the detection of tritium in reactor graphite samples. In my Ph.D. thesis I will continue exploring the possibilities of tritium detection and are also developing a high-performance particle detector for the 10 MV AMS setup.
Dr. Markus Schiffer
Habilitand
Raum
Details
I am the project leader of the new ALIS setup, a laser and ion cooler device for the suppression of isobars in AMS. I am supervising the students working on this interesting new project. In the past years I have developed numerous devices and setups at both the 6MV and 10MV AMS systems.
Christian Schlaier
Masterstudent
Raum
Details
As a Master's student in Nuclear Astrophysics, I investigate the origins of heavy elements in the universe. To constrain neutron capture rates for the r-process, I participated in a 2025 experiment at the Facility for Rare Isotope Beams (FRIB), focusing specifically on the neutron-rich isotope 126Ag.
Derin Schmidt
PhD Student
Raum
Details
My PhD research focuses on improving 26Al AMS measurements using element-selective photodetachment at the new Anion Laser Isobar Suppression (ALIS) setup. It further addresses collisional detachment rates in the ion cooler and extends these studies to 41Ca.
Sebastian Schroeder
Masterstudent
Raum
Details
I am working on implementing segmented, highly pixelated silicon detectors into a computer simulation of Interaction Vertex Imaging, a method for range verification in heavy ion radiation therapy.
Tom Sittig
Masterstudent
Raum
Details
For my Masters thesis I am working on a pilot project, performing a first Oslo style measurement at the SONIC@HORUS setup at our in-house 10 MV accelerator with the goal of narrowing the neutron capture cross section uncertainties of the s-process relevant 95Zr radioisotope.
Gereon Weingarten, geb. Hackenberg
Doktorand
Raum
Details
My Ph.D. work is on the isotope Sr-90, a hazardous isotope for humans and the environment. Using the 10MV Accelerator Mass Spectrometry setup I am able to detect very small amounts of this isotope. The results are important for a safe decommissioning of nuclear facilities.
Laila Weisel
Masterstudentin
Raum
Details
I am developing a deep learning model for to extract physical parameters from measurements in nuclear astrophysics. These measurements are stored in two-dimensional matrices that are distorted by detector effects and need to be unfolded, where current methods have limitations. I train the model on simulated data to reconstruct the true distributions and compare its performance with standard approaches.
Kontakt
Prof. Dr. Dennis Mücher
Gruppenleiter
Institut für Kernphyisk
Zülpicherstr.77
Universität zu Köln
50937 Köln