Abstract
We discuss the low-energy physics which arises on stacks of squashed brane solutions of SU(N ) \( \mathcal{N}=4 \) SYM, deformed by a cubic soft SUSY breaking potential. A brane configuration is found which leads to a low-energy physics similar to the standard model in the broken phase, assuming suitable VEV’s of the scalar zero modes. Due to the triple self-intersection of the branes, the matter content includes that of the MSSM with precisely 3 generations and right-handed neutrinos. No exotic quantum numbers arise, however there are extra chiral superfields with the quantum numbers of the Higgs doublets, the W, Z, e R and u R , whose fate depends on the details of the rich Higgs sector. The chiral low-energy sector is complemented by a heavy mirror sector with the opposite chiralities, as well as super-massive Kaluza-Klein towers completing the \( \mathcal{N}=4 \) multiplets. The sectors are protected by two gauged global U(1) symmetries.
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Steinacker, H.C. Chiral low-energy physics from squashed branes in deformed \( \mathcal{N}=4 \) SYM. J. High Energ. Phys. 2015, 119 (2015). https://doi.org/10.1007/JHEP10(2015)119
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DOI: https://doi.org/10.1007/JHEP10(2015)119