Abstract
Among many low energy models resulting from the superstrings one seems particularly attractive. This model has simplest E 6-based low energy group, SU(2)L × U(1)Y × U(1)Y′, resulting from compactification of ten-dimensional E 8 × E ′8 superstring theory to four dimensions on a manifold with a SU(3) holonomy. As has been more fully described by John Ellis in his lectures,[2|3] the resulting N = 1 supersymmetric low-energy theory has many phenomenologically interesting features: it includes a new neutral gauge boson Z′; a number of exotic new particles; and an extensive Higgs boson sector. The matter fields lie in three 27 representations of E 6. Each 27 represents a generation and, in addition to the Standard Model quarks and leptons, it contains: an extra exotic −1/3 charge quark singlet h (D) and its antipartner h c (D c); two Higgs doublets H 1 \( \left( {\bar H} \right) \) and H 2 (H); and a neutral SU(2)L × U(1)Y × U(1)Y′ singlet Higgs N (N). (Since my notation differs from that one used by John, I included in brackets above his naming of particles.)
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© 1988 Plenum Press, New York
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Roszkowski, L. (1988). Phenomenology for the Higgs Bosons, Z′ and Supersymmetric Particles of the Simplest E 6 Inspired Gauge Theory. In: Lévy, M., Basdevant, JL., Jacob, M., Speiser, D., Weyers, J., Gastmans, R. (eds) Particle Physics. NATO ASI Series, vol 173. Springer, Boston, MA. https://doi.org/10.1007/978-1-4613-0977-2_6
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