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Malin Sjödahl

Malin Sjödahl

Senior lecturer, docent

Malin Sjödahl

Amplitude factorization in the electroweak standard model

Author

  • Simon Plätzer
  • Malin Sjodahl

Summary, in English

We provide tools to analyze factorization at the amplitude level for processes involving the entire standard model. We focus in particular on a momentum region, in which the factorization of real and certain virtual corrections appears in a generalized eikonal approximation in which we expand around a quasisoft limit for massive gauge bosons, fermions, and scalars. We use the chirality-flow formalism to express loop exchanges or emissions as operators on chiral structures. This provides key tools for amplitude evolution with parton exchange and branching in the full Standard Model, including the electroweak sector.

Department/s

  • Particle and nuclear physics

Publishing year

2024-09-12

Language

English

Publication/Series

Physical Review D

Volume

110

Issue

5

Document type

Journal article

Publisher

American Physical Society

Topic

  • Subatomic Physics

Status

Published

ISBN/ISSN/Other

  • ISSN: 2470-0010