Various Models Mimicking the SM Higgs Boson

Abstract

This review is based on the talk presented at the SUSY 2012 (Beijing). The new particle around 125 GeV observed at the Large Hadron Collider (LHC) is almost consistent with the standard model Higgs boson, except that the diphoton decay mode may be excessive. We summarize a number of possibilities. While at the LHC the dominant production mechanism for the Higgs boson of the standard model and some other extensions is via the gluon fusion process, the alternative vector-boson fusion is more sensitive to electroweak symmetry breaking. Using the well known dijet-tagging technique to single out the vector-boson fusion mechanism, we investigate potential of vector-boson fusion to discriminate a number of models suggested to give an enhanced inclusive diphoton production rate.

28 pages, 4 figures, references added. Invited review in Int. J. Mod. Phys., based on the plenary talk given at the 20th International Conference on Supersymmetry and Unification of Fundamental Interactions (SUSY 2012), Peking University, Beijing, China August 13, 2012 - August 18, 2012. arXiv admin note: substantial text overlap with arXiv:1206.5853