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Related papers: Axion-Like Particles at Future Colliders

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We propose a search for long lived axion-like particles (ALPs) in exotic top decays. Flavour-violating ALPs appear as low energy effective theories for various new physics scenarios such as t-channel dark sectors or Froggatt-Nielsen models.…

High Energy Physics - Phenomenology · Physics 2022-10-21 Adrian Carmona , Fatemeh Elahi , Christiane Scherb , Pedro Schwaller

Photons couple to Axion-Like Particles (ALPs) or more generally to any pseudo Nambu-Goldstone boson in the presence of an external electromagnetic field. Mixing between photons and ALPs in the strong magnetic field of a Gamma-Ray Burst…

High Energy Astrophysical Phenomena · Physics 2011-03-18 Olga Mena , Soebur Razzaque , F. Villaescusa-Navarro

The Electron-Ion Collider~(EIC), a forthcoming powerful high-luminosity facility, represents an exciting opportunity to explore new physics. In this article, we study the potential of the EIC to probe the coupling between axion-like…

High Energy Physics - Phenomenology · Physics 2024-03-01 Reuven Balkin , Or Hen , Wenliang Li , Hongkai Liu , Teng Ma , Yotam Soreq , Mike Williams

Axionlike particles (ALPs) and dark photons (DPs) are viable dark matter particle candidates. We have searched for possible ALP/DP signals in the PandaX-4T liquid xenon detector using 440 kg$\cdot$yr of data. A binned likelihood fit is…

Conventional approaches to probing axions and axion-like particles (ALPs) typically rely on a coupling to photons. However, if this coupling is extremely weak, ALPs become invisible and are effectively decoupled from the Standard Model.…

High Energy Physics - Phenomenology · Physics 2019-01-30 Camila S. Machado , Wolfram Ratzinger , Pedro Schwaller , Ben A. Stefanek

We propose the use of FASER as a light-shining-through-walls experiment to search for axions and axion-like particles (ALPs). LHC collisions generate a high intensity and high energy photon flux in the forward direction which can oscillate…

High Energy Physics - Phenomenology · Physics 2023-02-16 Felix Kling , Pablo Quílez

In this mini-review, possible manifestations of mixing between axion-like particles (ALPs) and energetic photons propagating over astronomical distances are considered. We discuss the evidence for the anomalous transparency of the Universe…

High Energy Astrophysical Phenomena · Physics 2020-04-20 S. V. Troitsky

Axion-like particles (ALPs) are a well-motivated dark matter candidate that solve some of the problems in the clustering of large scale structure in cosmology. ALPs are often described by a simplified quadratic potential to specify the…

Cosmology and Nongalactic Astrophysics · Physics 2024-06-13 Harrison Winch , Renee Hlozek , David J. E. Marsh , Daniel Grin , Keir Rogers

The goal of FASER, ForwArd Search ExpeRiment at the LHC, is to discover light, weakly-interacting particles with a small and inexpensive detector placed in the far-forward region of ATLAS or CMS. A promising location in an unused service…

High Energy Physics - Phenomenology · Physics 2021-11-18 Jonathan L. Feng , Iftah Galon , Felix Kling , Sebastian Trojanowski

We investigate a charge-parity (CP) odd axion-like particle (ALP) featuring simultaneous CP-conserving ($a F_{\mu\nu}\tilde{F}^{\mu\nu}$) and CP-violating ($a F_{\mu\nu}F^{\mu\nu}$) ALP-photon interactions at future lepton colliders. The…

High Energy Physics - Phenomenology · Physics 2026-03-10 Jian-Nan Ding , Yandong Liu , Muyuan Song

Galaxy clusters contain large magnetic fields that make them excellent targets to search for ultralight Axion-Like Particles (ALPs). ALP-photon interconversion imprints quasi-sinusoidal oscillations on the X-ray spectra of point sources in…

High Energy Astrophysical Phenomena · Physics 2017-11-08 Nicholas Jennings

Axion-Like Particles (ALPs) are predicted by several Beyond the Standard Model theories, in particular, string theory. In the presence of an external magnetic field perpendicular to the direction of propagation, ALPs can couple to photons.…

High Energy Astrophysical Phenomena · Physics 2022-01-05 Júlia Sisk Reynés , James H. Matthews , Christopher S. Reynolds , Helen R. Russell , Robyn N. Smith , M. C. David Marsh

Axion-like particles (ALPs) provide a compelling avenue for exploring physics beyond the Standard Model. In astrophysical magnetized plasmas an ALP-photon coupling $g_{a\gamma}$ induces energy-dependent oscillations in the photon survival…

High Energy Astrophysical Phenomena · Physics 2025-07-30 Yu Zhou , Jiejia Liu , Volodymyr Takhistov , Kazuhisa Mitsuda

A renormalizable UV model for Axion-Like Particles (ALPs) or hidden photons, that may explain the dark matter usually involves a dark Higgs field which is a singlet under the standard model (SM) gauge group. The dark sector can couple to…

High Energy Physics - Phenomenology · Physics 2024-05-30 Gholamhossein Haghighat , Mojtaba Mohammadi Najafabadi , Kodai Sakurai , Wen Yin

Searches for axion-like particles (ALPs) with masses in the GeV range are a central objective of present and future Intensity Frontier experiments. Interpreting these searches demands a reliable description of ALP production in hadronic…

High Energy Physics - Phenomenology · Physics 2026-02-04 Maksym Ovchynnikov , Andrii Zaporozhchenko

Axion-like particles (ALPs) are typically identified as pseudoscalars whose couplings are shift-symmetry invariant with the exception of their couplings to gauge bosons and their mass term. Additionally, the ALP mass $m_a$ is usually…

High Energy Physics - Phenomenology · Physics 2026-05-04 Marta F. Zamoro , Álvaro Lozano-Onrubia , Luca Merlo , Samuel Rosende Herrero

The production of axionlike particles (ALP) in ultraperipheral $PbPb$ collisions (UPHIC) is investigated considering the energies of the next run of the Large Hadron Collider (LHC) and of the future High Energy -- LHC (HE -- LHC) and Future…

High Energy Physics - Phenomenology · Physics 2020-06-24 R. O. Coelho , V. P. Goncalves , D. E. Martins , M. S. Rangel

Axion-Like Particles (ALPs) are predicted by many extensions of the Standard Model and give rise to characteristic dimming and polarization effects in a light beam travelling in a magnetic field. In this Letter, we demonstrate that…

Astrophysics · Physics 2008-11-26 Alessandro De Angelis , Oriana Mansutti , Marco Roncadelli

Axions or more generally axion-like particles (ALPs) are pseudo-scalar particles predicted by many extensions of the Standard Model of particle physics (SM) and considered as viable candidates for dark matter (DM) in the universe. If they…

High Energy Astrophysical Phenomena · Physics 2020-05-20 Ahmed Ayad , Geoff Beck

The hot interiors of massive stars in the later stages of their evolution provide an ideal place for the production of heavy axion-like particles (ALPs) with mass up to O(100 keV) range. We show that a fraction of these ALPs could stream…

High Energy Physics - Phenomenology · Physics 2024-12-31 James H. Buckley , P. S. Bhupal Dev , Francesc Ferrer , Takuya Okawa