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arXiv · hep-th/0409291

Higgs Doublets, Split Multiplets and Heterotic SU(3)_C x SU(2)_L x U(1)_Y Spectra

Ron Donagi·Yang-Hui He·Burt Ovrut·Rene Reinbacher
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Abstract

A methodology for computing the massless spectrum of heterotic vacua with Wilson lines is presented. This is applied to a specific class of vacua with holomorphic SU(5)-bundles over torus-fibered Calabi-Yau threefolds with fundamental group Z_2. These vacua lead to low energy theories with the standard model gauge group SU(3)_C x SU(2)_L x U(1)_Yand three families of quark/leptons. The massless spectrum is computed, including the multiplicity of Higgs doublets.

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Ron Donagi, Yang-Hui He, Burt Ovrut, Rene Reinbacher. 2004-11-19. Higgs Doublets, Split Multiplets and Heterotic SU(3)_C x SU(2)_L x U(1)_Y Spectra. https://doi.org/10.1016/j.physletb.2005.05.004

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