Vertical-horizontal symmetric minimal grand-unification

Research output: Contribution to journalArticlepeer-review

Abstract

With the motivation that the traditional generation structure is a fundamental property of nature, namely that it perfectly survives at ultra-high energies beyond the unification mass, we are led to consider semi-simple grand unified theories. A discrete vertical-horizontal symmetry must then be invoked to ensure a single gauge coupling constant. This in turn is shown to provide a natural origin for fixing the fermion representations and especially the total number of flavors. Within a multigeneration generalization of the Georgi-Glashow SU(5) theory, we predict five ordinary mass fermion families.

Original languageEnglish
Pages (from-to)87-90
Number of pages4
JournalPhysics Letters B
Volume90
Issue number1-2
DOIs
StatePublished - 11 Feb 1980
Externally publishedYes

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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