Physics Letters B (Jun 2025)

Three generations and a trio of trialities

  • N. Furey,
  • M.J. Hughes

Journal volume & issue
Vol. 865
p. 139473

Abstract

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We identify the Standard Model's su(3)⊕su(2)⊕u(1) internal symmetries within the triality symmetries tri(C)⊕tri(H)⊕tri(O). From here, the corresponding Standard Model group action is applied to the triality triple (Ψ+,Ψ−,V) for Ψ+,Ψ−,V∈C⊗H⊗O. Together, Ψ+ and Ψ− provide the correct irreducible representations for two generations. Owing to a certain Cartan factorization, which we define, V provides the irreducible representations for a third generation. Said more explicitly in another way, division algebraic multiplication merges a third generation of spinor representations into a set of scalar bosons. This set of scalar bosons includes the familiar Standard Model Higgs representation.