Cascade Hierarchy in SUSY SU(5) GUT

Details Cascade Hierarchy in SUSY SU(5) GUT Cascade Hierarchy in SUSY SU(5) GUT

2010-11-25

arxiv.org/abs/1011.5678v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

38 pages, 11 figures

Scientific paper

We study cascade hierarchy in supersymmetric SU(5) grand unified theory. The neutrino Dirac mass matrix of the cascade form can lead to the tri-bimaximal generation mixing at the leading order in the seesaw mechanism while the down quark mass matrix of a hybrid cascade form naturally gives the CKM structure. We embed such experimentally favored mass textures into supersymmetric SU(5) GUT, which gives a relation between the down quark and charged lepton mass matrices. Related phenomenologies, such as lepton flavor violating processes and leptogenesis, are also investigated in addition to lepton mixing angles.

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