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Heterotic road to the MSSM with R parity

Please use this identifier to cite or link to this item: http://hdl.handle.net/1811/48068

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Title: Heterotic road to the MSSM with R parity
Creators: Lebedev, Oleg; Nilles, Hans Peter; Raby, Stuart; Ratz, Michael; Vaudrevange, Patrick K. S.; Wingerter, Akın; Ramos-Sanchez, Saul
Issue Date: 2008-02-29
Publisher: American Physical Society
Citation: Oleg Lebedev et al, "Heterotic road to the MSSM with R parity," Physical Review D 77, no. 4 (2008), doi:10.1103/PhysRevD.77.046013
DOI: 10.1103/PhysRevD.77.046013
Abstract: In a previous paper, referred to as a “Mini-Landscape” search, we explored a “fertile patch” of the heterotic landscape based on a Z_6-II orbifold with SO(10) and E_6 local grand unified theory 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 vectorlike exotics decouple along D-flat directions. We present two benchmark models which satisfy many of the constraints of a realistic supersymmetric model, including nontrivial Yukawa matrices for three families of quarks and leptons and Majorana masses for right-handed neutrinos with nontrivial seesaw masses for the three light neutrinos. In an appendix we comment on the important issue of string selection rules and, in particular, the so-called “gamma-rule”.
ISSN: 1550-2368
URI: http://hdl.handle.net/1811/48068
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