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String Model Building
Stuart Raby
In this talk I review some recent progress in heterotic and F theory model building. I then consider work in progress attempting to find the F theory dual to a class of heterotic o…
Precision gauge unification in the MSSM
Stuart Raby, Michael Ratz, Kai Schmidt-Hoberg
We discuss the issue of precision gauge unification in the MSSM. We find that a comparably light gluino, as it emerges in certain patterns of soft supersymmetry breaking, can be a…
Modulino Dark Matter and the INTEGRAL 511 keV Line
Nathaniel J. Craig, Stuart Raby
In this paper we present a simple extension of the minimal supersymmetric standard model [MSSM] which "naturally" produces the INTEGRAL photon signal. The model can be embedded in…
Viable and testable SUSY GUTs with Yukawa unification: the case of split trilinears
Diego Guadagnoli, Stuart Raby, David M. Straub
We explore general SUSY GUT models with exact third-generation Yukawa unification, but where the requirement of universal soft terms at the GUT scale is relaxed. We consider the sc…