Sp(2N) Lattice Gauge Theories and Extensions of the Standard Model of Particle Physics

E Bennett, J Holligan, DK Hong, H Hsiao, JW Lee… - Universe, 2023 - mdpi.com
We review the current status of the long-term programme of numerical investigation of S p (2
N) gauge theories with and without fermionic matter content. We start by introducing the …

Lattice studies of the gauge theory with two fundamental and three antisymmetric Dirac fermions

E Bennett, DK Hong, H Hsiao, JW Lee, CJD Lin… - Physical Review D, 2022 - APS
We consider the S p (4) gauge theory coupled to N f= 2 fundamental and nf= 3 antisymmetric
flavors of Dirac fermions in four dimensions. This theory serves as the microscopic origin for …

Symplectic lattice gauge theories in the grid framework: Approaching the conformal window

E Bennett, PA Boyle, L Del Debbio, N Forzano… - Physical Review D, 2023 - APS
Symplectic gauge theories coupled to matter fields lead to symmetry enhancement
phenomena that have potential applications in such diverse contexts as composite Higgs …

gauge theories on the lattice: Quenched fundamental and antisymmetric fermions

E Bennett, DK Hong, JW Lee, CJD Lin, B Lucini… - Physical Review D, 2020 - APS
We perform lattice studies of meson mass spectra and decay constants of the S p (4) gauge
theory in the quenched approximation. We consider two species of (Dirac) fermions as …

Infrared fixed point and anomalous dimensions in a composite Higgs model

A Hasenfratz, ET Neil, Y Shamir, B Svetitsky, O Witzel - Physical Review D, 2023 - APS
We use lattice simulations and the continuous renormalization-group method, based on the
gradient flow, to study a candidate theory of composite Higgs and a partially composite top …

Infrared fixed point of the SU(3) gauge theory with flavors

A Hasenfratz, ET Neil, Y Shamir, B Svetitsky, O Witzel - Physical Review D, 2023 - APS
We use lattice simulations and the continuous renormalization group method, based on the
gradient flow, to calculate the β function and anomalous dimensions of the SU (3) gauge …

Gauge/gravity dual dynamics for the strongly coupled sector of composite Higgs models

J Erdmenger, N Evans, W Porod, KS Rigatos - Journal of High Energy …, 2021 - Springer
A bstract A holographic model of chiral symmetry breaking is used to study the dynamics
plus the meson and baryon spectrum of the underlying strong dynamics in composite Higgs …

and ratios and the conformal window

HS Chung, D Nogradi - Physical Review D, 2023 - APS
The f ϱ/m ϱ ratio is calculated at N 3 LO order within perturbative (p) non-relativistic
quantum chromodynamics (NRQCD) with N f flavors of mass degenerate fermions. The …

Scaling results for charged sectors of near conformal QCD

J Bersini, A D'Alise, C Gambardella, F Sannino - Physical Review D, 2024 - APS
We provide the leading near conformal corrections on a cylinder to the scaling dimension of
the lowest-lying fixed isospin charge Q operators defined at the lower boundary of the …

Looking through the QCD conformal window with perturbation theory

L Di Pietro, M Serone - Journal of High Energy Physics, 2020 - Springer
A bstract We study the conformal window of QCD using perturbation theory, starting from the
perturbative upper edge and going down as much as we can towards the strongly coupled …