The landscape of QCD axion models

L Di Luzio, M Giannotti, E Nardi, L Visinelli - Physics Reports, 2020 - Elsevier
We review the landscape of QCD axion models. Theoretical constructions that extend the
window for the axion mass and couplings beyond conventional regions are highlighted and …

New experimental approaches in the search for axion-like particles

IG Irastorza, J Redondo - Progress in Particle and Nuclear Physics, 2018 - Elsevier
Axions and other very light axion-like particles appear in many extensions of the Standard
Model, and are leading candidates to compose part or all of the missing matter of the …

Measurement of the very rare decay

NA62 Collaboration - arXiv preprint arXiv:2103.15389, 2021 - arxiv.org
The NA62 experiment reports the branching ratio measurement BR $(K^+\rightarrow\pi^+\nu
\bar {\nu})=(10.6^{+ 4.0} _ {-3.4}| _ {\rm stat}\pm 0.9 _ {\rm syst})\times 10^{-11} $ at 68% CL …

Flavor probes of axion-like particles

M Bauer, M Neubert, S Renner, M Schnubel… - Journal of High Energy …, 2022 - Springer
A bstract Axions and axion-like particles (ALPs) are well-motivated low-energy relics of high-
energy extensions of the Standard Model (SM). We investigate the phenomenology of an …

New physics searches at kaon and hyperon factories

E Goudzovski, D Redigolo, K Tobioka… - Reports on Progress …, 2023 - iopscience.iop.org
Rare meson decays are among the most sensitive probes of both heavy and light new
physics. Among them, new physics searches using kaons benefit from their small total decay …

The low-energy effective theory of axions and ALPs

M Bauer, M Neubert, S Renner, M Schnubel… - Journal of High Energy …, 2021 - Springer
A bstract Axions and axion-like particles (ALPs) are well-motivated low-energy relics of high-
energy extensions of the Standard Model, which interact with the known particles through …

Long-lived particles at the energy frontier: the MATHUSLA physics case

D Curtin, M Drewes, M McCullough… - Reports on progress …, 2019 - iopscience.iop.org
We examine the theoretical motivations for long-lived particle (LLP) signals at the LHC in a
comprehensive survey of standard model (SM) extensions. LLPs are a common prediction of …

Physics Briefing Book [Input for the European Strategy for Particle Physics Update 2020]

H Abramowicz, R Forty - 2019 - osti.gov
The European Particle Physics Strategy Update (EPPSU) process takes a bottom-up
approach, whereby the community is first invited to submit proposals (also called inputs) for …

[HTML][HTML] Running in the ALPs

M Chala, G Guedes, M Ramos, J Santiago - The European Physical …, 2021 - Springer
The couplings of axion-like particles are probed by different experiments across a huge
range of energy scales. Accordingly, a consistent analysis of the corresponding constraints …

Quark flavor phenomenology of the QCD axion

JM Camalich, M Pospelov, PNH Vuong, R Ziegler… - Physical Review D, 2020 - APS
Axion models with generation-dependent Peccei-Quinn charges can lead to flavor-changing
neutral currents, thus motivating QCD axion searches at precision flavor experiments. We …