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Face of Malin Sjödahl. Photo.

Malin Sjödahl

Docent, researcher

Face of Malin Sjödahl. Photo.

Introducing the chirality-flow formalism

Author

  • Andrew Lifson
  • Christian Reuschle
  • Malin Sjödahl

Summary, in English

In QCD, we are used to describing the SU(3) color space in terms of a flow of color. At the algebra level, the Lorentz group consists of two copies of the (complexified) su(2) algebra, so one may anticipate that a similar way of thinking about the spacetime structure of scattering amplitudes should exist. In this article, we argue that this is indeed the case, and introduce the chirality-flow formalism for massless tree-level QED and QCD. Within the chirality-flow formalism, scattering amplitudes can directly be written down in terms of Lorentz-invariant spinor inner products, similar to how the color structure can be described in terms of a color flow.

Department/s

  • Theoretical Particle Physics

Publishing year

2020

Language

English

Pages

1547-1557

Publication/Series

Acta Physica Polonica B

Volume

51

Issue

6

Document type

Journal article

Publisher

Jagellonian University, Cracow, Poland

Topic

  • Algebra and Logic

Status

Published

ISBN/ISSN/Other

  • ISSN: 0587-4254