Document Type

Article

Publication Date

2026

Publication Title

Advances in Applied Clifford Algebras

Keywords

helicity methods, constructive standard model, scattering amplitudes, algebra of physical space

Abstract

The Algebra of Physical Space (APS) is used to explore the Constructive Standard Model (CSM) of particle physics. Namely, this paper connects the spinor formalism of the APS to massive amplitudes in the CSM. A novel equivalency between traditional CSM and APS-CSM formalisms is introduced, called the Scattering Algebra (SA), with example calculations confirming the consistency of results between both frameworks. Through this all, two significant insights are revealed: The identification of traditional CSM spin spinors with Lorentz rotors in the APS, and the connection of the CSM to various formalisms through ray spinor structure. The CSM’s results are replicated in massive cases, showcasing the power of the index-free, matrix-free, coordinate-free, geometric approach and paving the way for future research into massless cases, amplitude-construction, and Wigner little group methods within the APS.

Funding Source

This article was published Open Access thanks to a transformative agreement between Milner Library and Springer Nature.

DOI

10.1007/s00006-025-01435-1

Comments

First published in Advances in Applied Clifford Algebras (2026): https://doi.org/10.1007/s00006-025-01435-1

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