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arXiv · 0708.2691

The Heterotic Road to the MSSM with R parity

Oleg Lebedev·Hans Peter Nilles·Stuart Raby·Saul Ramos-Sanchez·Michael Ratz·Patrick K. S. Vaudrevange·Akin Wingerter
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Abstract

In a previous paper, referred to as a "Mini-Landscape" search, we explored a "fertile patch" of the heterotic landscape based on a Z6-II orbifold with SO(10) and E6 local GUT structures. In the present paper we extend this analysis. We find many models with the minimal supersymmetric standard model spectra and an exact R parity. In all of these models, the vector-like exotics decouple along D flat directions. We present two "benchmark" models which satisfy many of the constraints of a realistic supersymmetric model, including non-trivial Yukawa matrices for 3 families of quarks and leptons and Majorana neutrino masses for right-handed neutrinos with non-trivial See-Saw masses for the 3 light neutrinos. In an appendix we comment on the important issue of string selection rules and in particular the so-called "gamma-rule".

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Oleg Lebedev, Hans Peter Nilles, Stuart Raby, Saul Ramos-Sanchez, Michael Ratz, Patrick K. S. Vaudrevange, Akin Wingerter. 2007-08-20. The Heterotic Road to the MSSM with R parity. https://doi.org/10.1103/physrevd.77.046013

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