Bloch-Nordsieck restoration in llbar -> qqbar

Abstract

Usually, the Bloch-Nordsieck theorem is expected to be violated in weak interactions, as the corresponding asymptotic states are not weak singlets. However, a manifest gauge-invariant approach replaces the asymptotic states with composite states, and thereby restores the Bloch- Nordsieck theorem. The Froehlich-Morchio-Strocchi mechanism ensures that this is in agreement with existing phenomenology. We outline the necessary steps of this construction.

4 pages, submitted to the proceedings of EPS-HEP 2021

Cited by in corpus (2)

• Vector boson scattering from the lattice
• Restoring the Bloch-Nordsieck theorem in the electroweak sector of the standard model