Flat directions in flipped SU(5). I: All-order analysis |
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| Institution: | 1. Université du Littoral Côte d''Opale, Unité de Chimie Environnementale et Interactions sur le Vivant (UCEIV), EA4492, Maison de la Recherche en Environnement Industriel de Dunkerque, 189A Avenue Maurice Schumann, 59140 Dunkerque, France;2. Institut Polytechnique LaSalle Beauvais, UP-EGEAL 2012.10.101, 19 rue Pierre Waguet, Beauvais Cedex, France;3. Université du Littoral Côte d''Opale, Unité de Chimie Environnementale et Interactions sur le Vivant (UCEIV), EA4492, 50 rue Ferdinand Buisson, 62228 Calais, France;4. Université de Carthage, Laboratoire des Sciences Horticoles, Institut National Agronomique de Tunisie, 43 Ave Charles Nicolle, 1082 Tunis, Mahrajène, Tunisia;5. Groupe ISA, Laboratoire Génie Civil et géoEnvironnement (LGCgE), 48 boulevard Vauban, 59046 Lille Cedex, France;6. Agriculture and Agri-Food Canada, 960 Carling Avenue, Ottawa ON K1A 0C6, Canada |
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| Abstract: | We present a systematic classification of field directions for the string-derived flipped SU(5) model that are D- and F-flat to all orders. Properties of the flipped SU(5) model with field values in these directions are compared to those associated with other flat directions that have been shown to be F-flat to specific finite orders in the superpotential. We discuss the phenomenological Higgs spectrum, and quark and charged-lepton mass textures. |
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