Dynamical Electroweak Symmetry Breaking with a Heavy Fermion in Light of Recent LHC Results

The recent announcement of a discovery of a possible Higgs-like particle—its spin and parity are yet to be determined—at the LHC with a mass of 126 GeV necessitates a fresh look at the nature of the electroweak symmetry breaking, in particular if this newly-discovered particle will turn out to have...

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Main Author: Pham Q. Hung
Format: Article
Language:English
Published: Wiley 2013-01-01
Series:Advances in High Energy Physics
Online Access:http://dx.doi.org/10.1155/2013/359302
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author Pham Q. Hung
author_facet Pham Q. Hung
author_sort Pham Q. Hung
collection DOAJ
description The recent announcement of a discovery of a possible Higgs-like particle—its spin and parity are yet to be determined—at the LHC with a mass of 126 GeV necessitates a fresh look at the nature of the electroweak symmetry breaking, in particular if this newly-discovered particle will turn out to have the quantum numbers of a Standard Model Higgs boson. Even if it were a 0+ scalar with the properties expected for a SM Higgs boson, there is still the quintessential hierarchy problem that one has to deal with and which, by itself, suggests a new physics energy scale around 1 TeV. This paper presents a minireview of one possible scenario: the formation of a fermion-antifermion condensate coming from a very heavy fourth generation, carrying the quantum number of the SM Higgs field, and thus breaking the electroweak symmetry.
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spelling doaj-art-009dd1872b284c05954f317fc614c3592025-02-03T01:07:52ZengWileyAdvances in High Energy Physics1687-73571687-73652013-01-01201310.1155/2013/359302359302Dynamical Electroweak Symmetry Breaking with a Heavy Fermion in Light of Recent LHC ResultsPham Q. Hung0Department of Physics, University of Virginia, Charlottesville, VA 22904-4714, USAThe recent announcement of a discovery of a possible Higgs-like particle—its spin and parity are yet to be determined—at the LHC with a mass of 126 GeV necessitates a fresh look at the nature of the electroweak symmetry breaking, in particular if this newly-discovered particle will turn out to have the quantum numbers of a Standard Model Higgs boson. Even if it were a 0+ scalar with the properties expected for a SM Higgs boson, there is still the quintessential hierarchy problem that one has to deal with and which, by itself, suggests a new physics energy scale around 1 TeV. This paper presents a minireview of one possible scenario: the formation of a fermion-antifermion condensate coming from a very heavy fourth generation, carrying the quantum number of the SM Higgs field, and thus breaking the electroweak symmetry.http://dx.doi.org/10.1155/2013/359302
spellingShingle Pham Q. Hung
Dynamical Electroweak Symmetry Breaking with a Heavy Fermion in Light of Recent LHC Results
Advances in High Energy Physics
title Dynamical Electroweak Symmetry Breaking with a Heavy Fermion in Light of Recent LHC Results
title_full Dynamical Electroweak Symmetry Breaking with a Heavy Fermion in Light of Recent LHC Results
title_fullStr Dynamical Electroweak Symmetry Breaking with a Heavy Fermion in Light of Recent LHC Results
title_full_unstemmed Dynamical Electroweak Symmetry Breaking with a Heavy Fermion in Light of Recent LHC Results
title_short Dynamical Electroweak Symmetry Breaking with a Heavy Fermion in Light of Recent LHC Results
title_sort dynamical electroweak symmetry breaking with a heavy fermion in light of recent lhc results
url http://dx.doi.org/10.1155/2013/359302
work_keys_str_mv AT phamqhung dynamicalelectroweaksymmetrybreakingwithaheavyfermioninlightofrecentlhcresults