Economical unification of three families in SO(18)

Tristan Hübsch and Palash B. Pal
Phys. Rev. D 34, 1606 – Published 1 September 1986
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Abstract

We present the explicit construction of an SO(18) model that yields only three fermion families, along with their mirror partners, about or below the weak scale. The complete Higgs-field content that provides the necessary symmetry breakings is given, featuring a considerably smaller number of scalars as compared to previous constructions. The symmetry breaking of SO(10) has the interesting feature of intermediate scale breaking of the left-right symmetry in electroweak interactions, producing phenomenologically interesting neutrino masses. The possibility of new types of cosmological dark matter, feebly coupled to the ordinary matter, is discussed.

  • Received 10 February 1986

DOI:https://doi.org/10.1103/PhysRevD.34.1606

©1986 American Physical Society

Authors & Affiliations

Tristan Hübsch and Palash B. Pal

  • Department of Physics and Astronomy, University of Maryland, College Park, Maryland 20742

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Issue

Vol. 34, Iss. 5 — 1 September 1986

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