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Fermion masses and mixings in a flavour symmetric GUT
Riccardo Barbieri, Gia Dvali, Alessandro Strumia
We describe a supersymmetric Grand Unified Theory based on the gauge group $\SU(5)^3$, or $\SO(10)^3$, invariant under the interchange of any~SU(5), or~SO(10), with each family mul…
Large Scale Structure and Supersymmetric Inflation without Fine Tuning
G. Dvali, Q. Shafi, R. Schaefer
We explore constraints on the spectral index of density fluctuations and the neutrino energy density fraction , employing data from a variety of large scale observatio…
Gauge Hierarchy, Planck Scale Corrections And The Origin of GUT Scale In Supersymmetric
G. Dvali, Q. Shafi
Within a supersymmetric unified framework we explore the resolution of the gauge hierarchy problem taking account of the non-renormalizable terms in the superpotential. For $[SU(3)…
Strings versus supersymmetric GUTs: can they be reconciled?
R. Barbieri, G. Dvali, A. Strumia
We describe a class of supersymmetric unified models with the following properties: i) the full breaking of the gauge group is achieved by Higgs fields in the fundamental represent…
Gauge Hierarchy in and Low Energy Implication
G. Dvali, Q. Shafi
We explore the gauge hierarchy problem within the framework of supersymmetric with a minimal set of higgs supermultiplets. Imposition of a s…