Georg Weiglein: "Probing the physics of electroweak symmetry breaking and the evolution of the early universe"

Wednesday 18 Mar 2026, 13:00 → 14:00 Europe/London

Open questions in our understanding of the dynamics of electroweak symmetry breaking and its connection to the electroweak phase transition in the early universe are highlighted. After assessing the current knowledge about the total width of the detected Higgs boson, it is discussed in particular how information can be gained about the Higgs potential that is realised in nature. While the Higgs potential is of central importance for addressing the fundamental open questions, up to now neither its actual shape is known nor the underlying physics that in fact has given rise to the Higgs potential. The present experimental results from the LHC are confronted with precise theory predictions, and prospects for the HL-LHC as well as for future colliders and gravitational wave observatories are discussed.