Options for orbifold-GUT model building from five-dimensional supergravity Original Research Article

This is the first paper of a series that will examine the options for embedding supersymmetric orbifold-GUTs into five-dimensional image Yang–Mills–Einstein supergravity theories (YMESGTs). In particular, we focus on the allowed couplings of charged hypermultiplets in the lowest-dimensional reps of the gauge groups image, image and image. Our results are within the classification of homogeneous quaternionic scalar manifolds. In the minimal coupling of a generation of bulk matter hypermultiplets, supergravity requires the field content of an image scenario. In the minimal coupling of n bulk generations of matter and Higgs hypermultiplets, supergravity requires the field content of an image scenario.