Supersymmetric exceptional gauge unification

Journal Article · Mon Dec 15 00:00:00 EST 1980 · Phys. Rev., D; (United States)

DOI:https://doi.org/10.1103/PhysRevD.22.3118· OSTI ID:6755063

Baaklini, N S

We discuss the accommodation of quark-lepton generations, classified by SU(5), in the adjoint representations of simple Lie groups. We find SO(11), E/sub 6/, E/sub 7/, and E/sub 8/ as the only possible embedding groups, with the respective contents of one, one, three, and five conventional generations, together with their (V+A) conjugates and other particles. SU(4) supersymmetric unification models based on these gauge groups and which unify, via one coupling constant, the interactions of one vector boson, four spin-1/2 fermion, and six Higgs scalar multiplets, all being in the adjoint representation, are considered. Attention is focused on E/sub 7/ and E/sub 8/. The latter algebras are represented in the familiar SU(8) and SU(9) basis. We discuss quark-lepton assignments and propose patterns of symmetry breaking which can be triggered by the adjoint Higgs scalars, and which are compatible with the observed values of the strong and the weak couplings, as well as the weak mixing angle. Remarks are given with regard to the breaking of supersymmetry and the possible role of radiative corrections and renormalization effects in generating the gauge hierarchy.

• Research Organization: International Center for Theoretical Physics, Trieste, Italy
• OSTI ID: 6755063
• Journal Information: Phys. Rev., D; (United States), Vol. 22:12
• Country of Publication: United States
• Language: English

Related Subjects

72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
SUPERSYMMETRY
SYMMETRY BREAKING
UNIFIED GAUGE MODELS
COUPLING CONSTANTS
HIGGS MODEL
LAGRANGIAN FUNCTION
LEPTONS
QUARKS
RENORMALIZATION
SO GROUPS
SPIN
SU-4 GROUPS
SU-5 GROUPS
SU-8 GROUPS
ANGULAR MOMENTUM
ELEMENTARY PARTICLES
FERMIONS
FUNCTIONS
LIE GROUPS
MATHEMATICAL MODELS
PARTICLE MODELS
PARTICLE PROPERTIES
POSTULATED PARTICLES
SU GROUPS
SYMMETRY
SYMMETRY GROUPS
645301* - High Energy Physics- Particle Invariance Principles & Symmetries- General- (-1987)
645400 - High Energy Physics- Field Theory