Fundamental composite dynamics: A review

G Cacciapaglia, C Pica, F Sannino - Physics Reports, 2020 - Elsevier
We introduce fundamental gauge theories that can be employed to construct informed
composite bright and dark extensions of the Standard Model, within and beyond the …

Axion-like particles at future colliders

M Bauer, M Heiles, M Neubert, A Thamm - The European Physical Journal …, 2019 - Springer
Axion-like particles (ALPs) are pseudo Nambu–Goldstone bosons of spontaneously broken
global symmetries in high-energy extensions of the Standard Model (SM). This makes them …

Unleashing the full power of LHCb to probe stealth new physics

M Borsato, XC Vidal, Y Tsai, CV Sierra… - Reports on Progress …, 2022 - iopscience.iop.org
In this paper, we describe the potential of the LHCb experiment to detect stealth physics.
This refers to dynamics beyond the standard model that would elude searches that focus on …

Mixing between flavor singlets in lattice gauge theories coupled to matter fields in multiple representations

E Bennett, N Forzano, DK Hong, H Hsiao, JW Lee… - Physical Review D, 2024 - APS
We provide the first extensive, numerical study of the nontrivial problem of mixing between
flavor-singlet composite states emerging in strongly coupled lattice field theories with matter …

Light scalars in composite Higgs models

G Cacciapaglia, G Ferretti, T Flacke, H Serôdio - Frontiers in Physics, 2019 - frontiersin.org
A composite Higgs boson is likely to be accompanied by additional light states generated by
the same dynamics. This expectation is substantiated when realizing the composite Higgs …

Singlets in gauge theories with fundamental matter

E Bennett, H Hsiao, JW Lee, B Lucini, A Maas, M Piai… - Physical Review D, 2024 - APS
We provide the first determination of the mass of the lightest flavor-singlet pseudoscalar and
scalar bound states (mesons) in the Sp (4) Yang-Mills theory coupled to two flavors of …

Common exotic decays of top partners

N Bizot, G Cacciapaglia, T Flacke - Journal of High Energy Physics, 2018 - Springer
A bstract Many standard model extensions that address the hierarchy problem contain Dirac-
fermion partners of the top quark, which are typically expected around the TeV scale …

Probing naturally light singlets with a displaced vertex trigger

Y Gershtein, S Knapen, D Redigolo - Physics Letters B, 2021 - Elsevier
We investigate the physics case for a dedicated trigger on a low mass, hadronic displaced
vertex at the high luminosity LHC, relying on the CMS phase II track trigger. We estimate the …

[HTML][HTML] Exotic decays of top partners: mind the search gap

G Cacciapaglia, T Flacke, M Park, M Zhang - Physics Letters B, 2019 - Elsevier
Many standard model extensions, including composite Goldstone Higgs models, predict
vector-like fermionic top-partners at the TeV scale. The intensive search programmes by …

Relaxion and light (pseudo) scalars at the HL-LHC and lepton colliders

C Frugiuele, E Fuchs, G Perez, M Schlaffer - Journal of High Energy …, 2018 - Springer
A bstract We study the potential of future lepton colliders, running at the Z-pole and above,
and the High-Luminosity LHC to search for the relaxion and other light scalars ϕ. We …