“Color Meets Flavor”
Particle Physics: Search for new phenomena in the strong and weak interaction
The existence of dark matter and the asymmetry between matter and antimatter in the universe indicate that our understanding of nature is still incomplete. Even though almost all measurements in particle physics can already be precisely described by the standard model, deciphering the structure of matter in the sub-atomic range remains one of the most pressing research questions in fundamental physics. The question is: Where are new fundamental physical phenomena hidden? Some of the most interesting measurements of recent years involve an interplay between the strong (“color”) and weak (“flavour”) interactions.
Researchers from the University of Bonn, TU Dortmund University, the University of Siegen and Forschungszentrum Jülich want to shed more light on this interplay in the proposed Cluster of Excellence by fostering the collaboration between theory and experiment. The focus is on the physics of quarks and the question of how these fundamental building blocks of matter form complex bonding states. In addition, the properties of the Higgs boson will be investigated and the search for the axion will be continued.
As the masses of the six known quarks span several orders of magnitude, the experimental infrastructure required to investigate them ranges from experiments at lower energies at the ELSA particle accelerator in Bonn to experiments at the highest energies at the Large Hadron Collider (LHC) at CERN in Geneva, where the Higgs boson can also be investigated.
Speaker:
Prof. Dr. Jochen Dingfelder, Elementary Particle Physics, Institute of Physics, University of Bonn
The Cluster of Excellence application “Color meets Flavor” was approved on 22 May 2025. From January 2026, the research network will receive funding of several million euros per year for seven years.
In the video of the University of Bonn, published shortly after the success in the first stage, Prof. Dingfelder from “Color Meets Flavor” talks about the project.


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