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Neutrino mixing and mass hierarchy in Gaussian landscapes
Lawrence J. Hall, Michael P. Salem, Taizan Watari
The flavor structure of the Standard Model may arise from random selection on a landscape. In a class of simple models, called "Gaussian landscapes," Yukawa couplings derive from o…
GUT Relations from String Theory Compactifications
Radu Tatar, Taizan Watari
Wilson line on a non-simply connected manifold is a nice way to break SU(5) unified symmetry, and to solve the doublet--triplet splitting problem. This mechanism also requires, how…
New Aspects of Heterotic--F Theory Duality
Hirotaka Hayashi, Radu Tatar, Yukinobu Toda +2
In order to understand both up-type and down-type Yukawa couplings, F-theory is a better framework than the perturbative Type IIB string theory. The duality between the Heterotic a…
A Theoretical Framework for R-parity Violation
Minoru Kuriyama, Hiroto Nakajima, Taizan Watari
We propose a theoretical framework for R-parity violation. It is realized by a class of Calabi--Yau compactification of Heterotic string theory. Trilinear R-parity violation in sup…