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Sunset at the North Campus © Roland Baege​/​TU Dortmund
Research at the CERN Particle Accelerator

Two New Emmy Noether Junior Research Groups in Physics

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Portrait photo of Chris Malena Delitzsch and Dominik Mitzel © Felix Schmale​/​TU Dortmund
Dr. Chris Malena Delitzsch and Dr. Dominik Mitzel have both secured an Emmy Noether Junior Research Group.
The Emmy Noether Program of the German Research Foundation (DFG) gives outstanding early career researchers an opportunity to qualify for the post of professor at a university by leading an independent junior research group for a period of six years. Dr. Chris Malena Delitzsch and Dr. Dominik Mitzel from the Department of Physics have both raised their own funding. Both are working at the Large Hadron Collider (LHC), the world’s largest particle accelerator, at CERN in Geneva, Switzerland.

Dr. Chris Malena Delitzsch and her junior research group are conducting research into the reconstruction and analysis of events with hadronic final states, which are recorded in the ATLAS Experiment at the LHC. The purpose is to test predictions of the Standard Model of particle physics with a high degree of precision. “Measuring the coupling between the Higgs boson and the top quark, the heaviest particle in the Standard Model, is particularly interesting because deviations from predictions can indicate new physics,” says Dr. Delitzsch. To detect even the smallest deviations, the group measures the top-Higgs coupling in previously unstudied phase spaces using jets with high energies. Jets are a kind of bundled particle beam and occur, among others, during the hadronic decay of Standard Model particles.

Dr. Dominik Mitzel and his junior research group are conducting research in the field of experimental elementary particle physics with a special focus on flavor physics. In the process, the group is endeavoring to find clues to new and previously undiscovered particles and interactions. These could help to answer many open questions in particle physics, such as what causes the matter-antimatter asymmetry observed in the Universe. To find answers to such questions, the group led by Dr. Mitzel analyses data from the LHCb experiment, placing a focus on rare decay processes of hadrons containing charm quarks, as these are particularly sensitive to tiny contributions from unknown particles. “In view of the immense number of charm hadrons produced at the LHC, this opens up the possibility to look for new phenomena in processes that have never been studied before,” says Dr. Mitzel.

Dr. Delitzsch and Dr. Mitzel will each receive funding of about 1 million euros for their junior research groups for the first three years, with the prospect of a further three years in a second funding period.

Particle physics is one of four research priorities at the Department of Physics of TU Dortmund University. To further boost this discipline, in 2021 it introduced the “International Master of Advanced Methods in Particle Physics (IMAPP)” degree program.

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