An analysis of a minimal vectorlike extension of the Standard Model
arXiv:1611.06006 · doi:10.1155/2017/1765340
Abstract
We analyze an extension of the Standard Model with an additional SU(2) hypercolor gauge group keeping the Higgs boson as a fundamental field. Vectorlike interactions of new hyperquarks with the intermediate vector bosons are explicitly constructed. We also consider pseudo-Nambu--Goldstone bosons caused by the symmetry breaking SU(4)-> Sp(4). A specific global symmetry of the model with zero hypercharge of the hyperquark doublets ensures the stability of a neutral pseudoscalar field. Some possible manifestations of the lightest states at colliders are also examined.
16 pages, 1 table, v.2: minor modification, reference is added, formula (62) is corrected
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