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Higgs compositeness in Sp(2N) gauge theories – Determining the low-energy constants with lattice calculations

Ed Bennett, Deog Ki Hong, Jong-Wan Lee, C.-J. David Lin, Biagio Lucini Orcid Logo, Maurizio Piai Orcid Logo, Davide Vadacchino, Ed Bennett Orcid Logo

EPJ Web of Conferences, Volume: 175, Start page: 08011

Swansea University Authors: Biagio Lucini Orcid Logo, Maurizio Piai Orcid Logo, Ed Bennett Orcid Logo

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DOI (Published version): 10.1051/epjconf/201817508011

Abstract

As a first step towards a quantitative understanding of the SU(4)/Sp(4) compositeHiggs model through lattice calculations, we discuss the low energy eective fieldtheory resulting from the SU(4) ! Sp(4) global symmetry breaking pattern. We thenconsider an Sp(4) gauge theory with two Dirac fermion fla...

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Published in: EPJ Web of Conferences
ISSN: 2100-014X
Published: Granada 35th International Symposium on Lattice field theory 2018
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URI: https://cronfa.swan.ac.uk/Record/cronfa37315
Abstract: As a first step towards a quantitative understanding of the SU(4)/Sp(4) compositeHiggs model through lattice calculations, we discuss the low energy eective fieldtheory resulting from the SU(4) ! Sp(4) global symmetry breaking pattern. We thenconsider an Sp(4) gauge theory with two Dirac fermion flavours in the fundamental representationon a lattice, which provides a concrete example of the microscopic realisationof the SU(4)/Sp(4) composite Higgs model. For this system, we outline a programmeof numerical simulations aiming at the determination of the low-energy constants of theeective field theory and we test the method on the quenched theory. We also report earlyresults from dynamical simulations, focussing on the phase structure of the lattice theoryand a calculation of the lowest-lying meson spectrum at coarse lattice spacing.
College: Faculty of Science and Engineering
Start Page: 08011

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