A Superstring Inspired Standard Model

Greene, Brian R.; Kirklin, Kelley H.; Miron, Paul J.; Ross, Graham G.

doi:10.1016/0370-2693(86)90137-1

A Superstring Inspired Standard Model

May, 1986

8 pages

Part of Proceedings, 23RD International Conference on High Energy Physics, JULY 16-23, 1986, Berkeley, CA

Published in:

Phys.Lett.B 180 (1986) 69

Contribution to:

- ICHEP 86

Published: 1986

DOI:

10.1016/0370-2693(86)90137-1

Report number:

Print-86-1012 (OXFORD),
OXFORD-TP 39/86

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Abstract: (Elsevier)

An analysis is presented of an E 8 ⊗ E 8 superstring-inspired ten-dimensional supergravity model following from compactification on a particular Calabi-Yau manifold which gives rise to three generations. The multiplet structure and discrete symmetries after compactification are determined. It is shown that the model has flat directions which allow for breaking of the gauge group to the standard SU(3) ⊗ SU(2) ⊗ U(1) model at a high scale. The resulting low-energy theory has a realistic spectrum and, remarkably, the discrete symmetries predict a reasonable structure for the Kobayashi-Maskawa mixing matrix. Without unnatural adjustments, proton decay is inhibited and neutrino masses consistent with experimental limits are obtained.

SUPERGRAVITY
MODEL: STRING
SUPERSYMMETRY
FIELD THEORY: compactification
GRAND UNIFIED THEORY: E(6)
GROUP THEORY: REPRESENTATION
FIELD THEORY: TEN-DIMENSIONAL
MASS SPECTRUM

References(15)

Figures(0)

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