Two higgs doublets, a 4th generation and a 125 GeV higgs: A review

Shaouly Bar-Shalom, Michael Geller, Soumitra Nandi*, Amarjit Soni

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review


We review the possible role that multi-Higgs models may play in our understanding of the dynamics of a heavy 4th sequential generation of fermions. We describe the underlying ingredients of such models, focusing on two Higgs doublets, and discuss how they may effectively accommodate the low-energy phenomenology of such new heavy fermionic degrees of freedom. We also discuss the constraints on these models from precision electroweak data as well as from flavor physics and the implications for collider searches of the Higgs particles and of the 4th generation fermions, bearing in mind the recent observation of a light Higgs with a mass of 125 GeV.

Original languageEnglish
Article number672972
JournalAdvances in High Energy Physics
StatePublished - 2013
Externally publishedYes


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