Small Extra Dimensions from the Interplay of Gauge and Supersymmetry Breaking - High Energy Physics - PhenomenologyReport as inadecuate




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Abstract: Higher-dimensional theories provide a promising framework for unifiedextensions of the supersymmetric standard model. Compactifications to fourdimensions often lead to U1 symmetries beyond the standard model gauge group,whose breaking scale is classically undetermined. Without supersymmetrybreaking, this is also the case for the size of the compact dimensions.Fayet-Iliopoulos terms generically fix the scale M of gauge symmetry breaking.The interplay with supersymmetry breaking can then stabilize the compactdimensions at a size 1-M, much smaller than the inverse supersymmetry breakingscale 1-mu. We illustrate this mechanism with an SO10 model in sixdimensions, compactified on an orbifold.



Author: Wilfried Buchmuller, Riccardo Catena, Kai Schmidt-Hoberg

Source: https://arxiv.org/







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