Composite Higgs Dynamics on the Lattice

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Abstract

We investigate the spectrum of the SU(2) gauge theory with Nf = 2 flavors of fermions in the fundamental representation, in the continuum, using lattice simulations. This model provides a minimal template which has been used for different strongly coupled extensions of the Standard Model ranging from composite (Goldstone) Higgs models to intriguing types of dark matter candidates, such as the SIMPs. Here we will focus on the composite Goldstone Higgs paradigm, for which this model provides a minimal UV complete realization in terms of a new strong sector with fermionic matter. After introducing the relevant Lattice methods used in our simulations, we will discuss our numerical results. We show that this model features a SU(4)/Sp(4) ∼ SO(6)/SO(5) flavor symmetry breaking pattern, and estimate the value of its chiral condensate. Finally, we present our results for the mass spectrum of the lightest spin one and zero resonances, analogue to the QCD ρ, a1, σ η′, a0, resonances, which are relevant for searches of new, exotic resonances at the LHC.

Original languageEnglish
Article number10005
JournalE P J Web of Conferences
Volume137
ISSN2100-014X
DOIs
Publication statusPublished - 2017
EventXIIth Quark Confinement and the Hadron Spectrum - Thessaloniki, Greece
Duration: 28. Aug 20164. Sep 2016
Conference number: 12

Conference

ConferenceXIIth Quark Confinement and the Hadron Spectrum
Number12
CountryGreece
CityThessaloniki
Period28/08/201604/09/2016

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