# Model building by coset space dimensional reduction in eight-dimensions - High Energy Physics - Phenomenology

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Abstract: We investigate gauge-Higgs unification models in eight-dimensional spacetimewhere extra-dimensional space has the structure of a four-dimensional compactcoset space. The combinations of the coset space and the gauge group in theeight-dimensional spacetime of such models are listed. After the dimensionalreduction of the coset space, we identified $\mathrm{SO}10$, $\mathrm{SO}10\times \mathrm{U}1$ and $\mathrm{SO}10 \times \mathrm{U}1 \times\mathrm{U}1$ as the possible gauge groups in the four-dimensional theory thatcan accomodate the Standard Model and thus is phenomenologically promising.Representations for fermions and scalars for these gauge groups are tabulated.

Autor: Toshifumi Jittoh, Masafumi Koike, Takaaki Nomura, Joe Sato, Yutsuki Toyama

Fuente: https://arxiv.org/