Various Models Mimicking the SM Higgs Boson
Jung Chang, Kingman Cheung, Po-Yan Tseng, and Tzu-Chiang Yuan

TL;DR
This paper reviews various theoretical models that mimic the Standard Model Higgs boson, focusing on their predictions for diphoton decay rates and the potential of vector-boson fusion at the LHC to distinguish these models.
Contribution
It analyzes the capability of vector-boson fusion to differentiate between models with enhanced diphoton production at the LHC.
Findings
Vector-boson fusion can effectively discriminate models with enhanced diphoton rates.
The diphoton decay mode may be more prominent than in the Standard Model.
Different models predict varying signatures in vector-boson fusion processes.
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.
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Taxonomy
TopicsParticle physics theoretical and experimental studies · Computational Physics and Python Applications · Quantum Chromodynamics and Particle Interactions
