We study vector-boson scattering of the physical, gauge-invariant states in a reduced
standard-model setup on the lattice for various parameter sets. To this end, the phase shift in …

We determine the anomalous dimensions of the gluon, Faddeev–Popov ghost and quark in
the minimal momentum subtraction scheme to five loops for a general colour group when …

Gauge symmetries play a central role, both in the mathematical foundations as well as the
conceptual construction of modern (particle) physics theories. However, it is yet unclear …

The electroweak gauge symmetry cannot be broken in a literal sense due to Elitzur's
theorem. Thus, asymptotic states need to be manifestly and nonperturbatively gauge …

There is an odd tension in electroweak physics. Perturbation theory is extremely successful.
At the same time, fundamental field theory gives manifold reasons why this should not be the …

Gauge symmetries play a central role, both in the mathematical foundations as well as the
conceptual construction of modern (particle) physics theories. However, it is yet unclear …

The standard model (SM) stands as a cornerstone in particle physics, providing remarkable
insight into the fundamental interactions of nature. While the Higgs field therein resolved the …

Despite numerous efforts, no particles predicted by (broken) supersymmetric theories have
been observed in experiments. One possible explanation is that the particle spectrum …

Subtle, but long-known, field-theoretical aspects require a more refined treatment of gauge
theories involving a Brout-Englert-Higgs effect. This refinement can be done analytically …

Das Standardmodell (SM) ist ein Eckpfeiler der Teilchenphysik und bietet bemerkenswerte
Einblicke in die grundlegenden Wechselwirkungen der Natur. Während das Higgs-Feld …