MSSM-like models on Z(8) toroidal orbifolds

Abstract

We extend the promising heterotic string searches for MSSM-like models to Z_8 orbifolds. There exist five inequivalent Z_8 toroidal orbifolds distinguished by two types of twists that act on five different torus lattices; one of which cannot be represented as a Lie-algebra root lattice. Contrary to previous investigations, we study the consequences of the different underlying orbifold torus lattices. Therefore, rather than focussing on one particular geometry, we perform systematic model searches on these five Z_8 orbifolds simultaneously, taking all possible inequivalent SU(5) and SO(10) gauge shifts as our starting point. We present cumulative Tables and Figures comparing the chiral SM and vector-like exotic spectra on these geometries.

1+28 pages LaTeX, 27 figures, minor revisions and clarifications, version to be published in JHEP

References in corpus (3)

• A Mini-Landscape of Exact MSSM Spectra in Heterotic Orbifolds
• Heterotic Line Bundle Standard Models
• Two Hundred Heterotic Standard Models on Smooth Calabi-Yau Threefolds

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• Contrast data mining for the MSSM from strings
• U(1)' coupling constant at low energies from heterotic orbifolds
• Geometry of the Ground State of Higgs Fields in Next-to-MSSM
• Gauge extension of non-Abelian discrete flavor symmetry
• Reduced modular symmetries of threshold corrections and gauge coupling unification