Bonn 2010 – scientific programme

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T: Fachverband Teilchenphysik

T 20: Beyond the Standard Model (Theorie) IV

T 20.6: Talk

Thursday, March 18, 2010, 18:00–18:15, HG XIV

Flavor Symmetry and Its Breaking from an Orbifold GUT — •Adisorn Adulpravitchai¹ and Michael A. Schmidt² — ¹Max-Planck-Institut für Kernphysik, Heidelberg, Germany — ²Institute for Particle Physics Phenomenology, University of Durham, Durham, United Kingdom

Orbifold grand unified theories (GUTs) solve several problems in GUT model building. Therefore, it is intriguing to investigate similar constructions in the flavor context. In this letter, we propose that a flavor symmetry emerges due to the orbifold compactification and is broken by the boundary conditions of the orbifold simultaneously. The combination of the orbifold parities in the gauge and flavor space determines the zero modes. We demonstrate the construction in a 6d supersymmetric SO(10)× S₄ orbifold GUT model.