Prof. Dr. Elina Fuchs (Leibniz Universität Hannover)

Searching for physics beyond the Standard Model with atoms and colliders

The observed matter-antimatter asymmetry of the Universe and the existence of Dark Matter are among the most compelling evidences for the necessity of physics beyond the Standard Model. As these puzzles do not predict at which energy scale to expect a discovery, a variety of observables at different energies is needed to explore viable scenarios. I will present two such avenues.
On the one hand, I will discuss the interplay of couplings of the Higgs boson measured at the Large Hadron Collider and electric dipole moments to determine to which extent CP violation in the Higgs boson interactions may contribute to the CP violation needed to explain the observed matter-antimatter asymmetry. In a complementary way, I will present how high-precision frequency measurements in atoms and ions, in particular in several isotopes, open up a novel window to search for light Dark Matter.