Supersymmetric flipped SU(5) revitalized |
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| Institution: | 1. Institute of Cognitive Sciences and Technologies, National Research Council, Rome, Italy;2. Université Clermont Auvergne, CNRS, LAPSCO, F-63000 Clermont-Ferrand, France;3. Department of Experimental Psychology, University of Granada, Granada, Spain;4. Center for Research on Mind, Brain, and Behavior (CIMCYC), University of Granada, Spain;1. Electrical–Electronics Engineering, İzmir Institute of Technology (IZTECH), İzmir, Turkey;2. Institute of Science and Technology of Information, “A. Faedo”, CNR, National Council of Research of Italy, via G Moruzzi 1, Pisa 56124, Italy |
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| Abstract: | We describe a simple N = 1 supersymmetric GUT based on the group SU(5)×U(1) which has the following virtues: the gauge group is broken down to the SU(3)C×SU(2)L×U(1)Y of the standard model using just 10, Higgs representations, and doublet-triplet mass splitting problem is solved naturally by a very simple missing-partner mechanism. The successful supersymmetric GUT prediction for sin2θw can be maintained, whilst there are no fermion mass relations. The gauge group and representation structure of the model may be obtainable from the superstring. |
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