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Chirality in an $E_8$ model of elementary particles

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arxiv 2210.06029 v1 pith:YTFFZ4IB submitted 2022-10-12 physics.gen-ph

classification physics.gen-ph
keywords chiralitygroupmodelreallorentzphysicspropertyargument
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abstract

We show how chirality emerges naturally from an embedding of the standard model of particle physics into $E_{8(-24)}$. The well-known argument that there is no chiral theory of fundamental physics in $E_8$ is avoided by implementing chirality not as a property of the complexified Lorentz group, but as a property of the complex representations of the real Lorentz group, combined with a real scalar. This avoids the problems of complexification, and ensures that the model is completely contained in the real Lie group.

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  1. Embeddings of the Standard Model in $E_8$

    hep-ph 2025-07 conditional novelty 5.0 of 10

    A modified E8 model puts the Standard Model inside the so(7,3) subalgebra with compact SU(3), and uses particle coordinates in four dimensions to compute several mixing angles and mass relations.

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