Orientifolds, hypercharge embeddings and the Standard Model
By P. Anastasopoulos, T. Dijkstra, E. Kiritsis, Bert Schellekens. 2006
164 citations recorded by the source corpus.
Abstract The embedding of the SM hypercharge into an orientifold gauge group is studied. Possible embeddings are classified, and a systematic construction of bottom–up configurations and top–down orientifold vacua is achieved, solving the tadpole conditions in the context of Gepner orientifolds. Some hypercharge embeddings are strongly preferred compared to others. Configurations with chiral anti-symmetric tensors are suppressed. We find among others, genuine examples of supersymmetric SU ( 5 ) , flipped SU ( 5 ) , Pati–Salam and trinification vacua with no chiral exotics.
Subfields: Astronomy and Astrophysics, Nuclear and High Energy Physics
View Paper: https://www.semanticscholar.org/paper/ee263828b4fbdcf0b005fcea9c40296bfb8dcbed
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In Astronomy and Astrophysics
- Ralph Blumenhagen
- T. Weigand
- M. Cvetič
- A. Uranga
- Luis E Ibáñez
- Bert Schellekens
- F. Marchesano
- D. Lust
In Nuclear and High Energy Physics
Citations in the corpus
- Instanton Induced Neutrino Majorana Masses in CFT Orientifolds with MSSM-like spectra (2007, background): “This class of Sp(2) instantons have the interesting property that R-parity conservation is automatic and the flavour structure of the neutrino Majorana mass matrices has a simple factorized form.”
- Spacetime instanton corrections in 4D string vacua: The Seesaw mechanism for D-Brane models (2006, background): “In particular, it remains for future work to investigate possible consequences on the statistical distribution of supersymmetric brane vacua in the type IIA geometric regime [39,61,62] or at the small radius Gepner point [63, 64].”