The Family SU(2)_l x SU(2)_h x U(1) Model
Abstract
We consider extension of the standard model where the first two families of quarks and leptons transform according to the group and the third family according to the group. In this approach, the largeness of top-quark mass is associated with the large vacuum expectation value of the corresponding Higgs field. The model predicts almost degenerate heavy and bosons with non-universal couplings, and extra Higgs bosons. We present in detail the symmetry breaking mechanism, and carry out the subsequent phenomenology of the gauge sector. We compare the model with electroweak precision data, and conclude that the extra gauge bosons and the Higgs bosons whose masses lie in the TeV range, can be discovered at the LHC.
Keywords
Cite
@article{arxiv.0911.1480,
title = {The Family SU(2)_l x SU(2)_h x U(1) Model},
author = {Cheng-Wei Chiang and N. G. Deshpande and Xiao-Gang He and J. Jiang},
journal= {arXiv preprint arXiv:0911.1480},
year = {2010}
}
Comments
Latex 18 pages. No figure. Some references added. Version appeared in PRD