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Related papers: Predictions for Axion Couplings from ALP Cogenesis

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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 higher-dimensional operators suppressed by the mass scale $\Lambda$…

High Energy Physics - Phenomenology · Physics 2021-04-28 Martin Bauer , Matthias Neubert , Sophie Renner , Marvin Schnubel , Andrea Thamm

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

Axions or ALPs are hypothetical particles predicted by BSM theories, which make one of the dark matter candidates. These particles can convert into photons and vice-versa in the presence of magnetic field, with a probability decided by its…

Cosmology and Nongalactic Astrophysics · Physics 2024-09-19 Harsh Mehta , Suvodip Mukherjee

Searches for axion-like particles (ALPs) are motivated by the strong CP problem in particle physics and by unexplained dark matter in astrophysics. In this letter, we discuss novel ALP searches using monoenergetic nuclear de-excitation…

High Energy Physics - Phenomenology · Physics 2023-05-29 Loyd Waites , Adrian Thompson , Adriana Bungau , Janet M. Conrad , Bhaskar Dutta , Wei-Chih Huang , Doojin Kim , Michael Shaevitz , Joshua Spitz

We study cross correlations between line intensity and weak lensing maps to search for axion-like particles (ALPs). Radiative decay of eV-mass ALPs can contribute to cosmic background emissions at optical and infrared wavelengths. Line…

Cosmology and Nongalactic Astrophysics · Physics 2021-05-26 Masato Shirasaki

The extragalactic background light is comprised of the cumulative radiation from all galaxies across the history of the universe. The angular power spectrum of the anisotropies of such a background at near-infrared (IR) frequencies lacks of…

Cosmology and Nongalactic Astrophysics · Physics 2021-05-20 Andrea Caputo , Andrea Vittino , Nicolao Fornengo , Marco Regis , Marco Taoso

In this work we consider searches for dark matter made of axions or axion-like particles (ALPs) using resonant radio frequency cavities inserted into dipole magnets from particle accelerators, wiggler magnets developed for accelerator based…

The hypothetical axion and axion-like particles, feebly coupled with photon, have not yet been found in any experiment. With the improvement of laser technique, much stronger but shorter quasi-static electric and magnetic fields can be…

High Energy Physics - Phenomenology · Physics 2022-09-07 Shan Huang , Baifei Shen , Zhigang Bu , Xiaomei Zhang , Liangliang Ji , Shuhua Zhai

We explore models and phenomenology of a photophobic axion-like particle (ALP), an axion whose coupling to photons is maximally suppressed without fine-tuning of the underlying parameters. We demonstrate that photophobia can be a natural UV…

High Energy Physics - Phenomenology · Physics 2018-09-26 Nathaniel Craig , Anson Hook , Skyler Kasko

Axion-like particles (ALPs) arise naturally in many extensions of the Standard Model (SM). We explore the discovery potential for ALPs of the Large Hadron electron Collider (LHeC) via the $W^{+}W^{-}$ fusion process. For concreteness, both…

High Energy Physics - Phenomenology · Physics 2023-06-28 Chong-Xing Yue , Han Wang , Xue-Jia Cheng , Yue-Qi Wang

Axions and axion-like particles (ALPs) have gained immense attention in searches for beyond Standard Model (BSM) physics. Experiments searching for axions leverage their predicted couplings to Standard Model (SM) particles to look for…

High Energy Physics - Phenomenology · Physics 2026-03-24 Tanmoy Kumar , N. P. S. Mithun , Subhendra Mohanty , Sourov Roy , B. S. Bharath Saiguhan , Santosh Vadawale

Cosmic birefringence is predicted if an axion-like particle (ALP) moves after the recombination. We show that this naturally happens if the ALP is coupled to the dark matter density because it then acquires a large effective mass after the…

High Energy Physics - Phenomenology · Physics 2021-11-10 Shota Nakagawa , Fuminobu Takahashi , Masaki Yamada

Axion-like particles (ALPs) are well-motivated examples of light, weakly coupled particles in theories beyond the Standard Model. In this work, we study long-lived ALPs coupled exclusively to leptons in the mass range between $2 m_e$ and…

High Energy Physics - Phenomenology · Physics 2025-07-22 Yohei Ema , Patrick J. Fox , Matheus Hostert , Tony Menzo , Maxim Pospelov , Anupam Ray , Jure Zupan

Most of the matter in the Universe is in the form of dark matter, which has evaded detection so far. Ultralight axionlike particles (ALPs) are a class of dark matter candidates that produce measurable signatures in the form of oscillating…

Atomic Physics · Physics 2026-03-27 Mingyu Fan , Bassam Nima , Aleksandar Radak , Gonzalo Alonso-Álvarez , Amar Vutha

As part of experimental measurements by the ATLAS collaboration during 2015 and 2018 years of light-on-light scattering in Pb+Pb collisions, at an integrated luminosity of 2.2 nb$^{-1}$ and energy of 5.02 TeV, we modeled the cross sections…

High Energy Physics - Phenomenology · Physics 2026-02-24 T. V. Obikhod , S. B. Chernyshenko

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

We study the interactions of Axion-Like Particles (ALPs) with the Standard Model particles, aiming to probe their phenomenology via non-resonant searches at the LHC. These interactions are mediated by higher dimensional effective operators…

High Energy Physics - Phenomenology · Physics 2024-05-09 Tisa Biswas

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

We consider a cosmological scenario in which the very early Universe experienced a transient epoch of matter domination due to the formation of a large population of primordial black holes (PBHs) with masses $M \lesssim 10^{9}\,\textrm{g}$,…

High Energy Physics - Phenomenology · Physics 2021-09-03 Francesco Schiavone , Daniele Montanino , Alessandro Mirizzi , Francesco Capozzi

Burrage, Davis, and Shaw recently suggested exploiting the correlations between high and low energy luminosities of astrophysical objects to probe possible mixing between photons and axion-like particles (ALP) in magnetic field regions.…

Cosmology and Nongalactic Astrophysics · Physics 2014-11-21 Guido Walter Pettinari , Robert Crittenden