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We propose an interferometry experiment for the detection of axion-like particles (ALPs). As in ordinary photon-regeneration (light shining through a wall) experiments, a laser beam traverses a region permeated by a magnetic field, where…

High Energy Physics - Phenomenology · Physics 2018-08-28 H. Tam , Q. Yang

The plethora of increasingly precise experiments which hunt for axion-like particles (ALPs), as well as their widely different energy reach, call for the theoretical understanding of ALP couplings at loop-level. We derive the one-loop…

High Energy Physics - Phenomenology · Physics 2021-11-24 J. Bonilla , I. Brivio , M. B. Gavela , V. Sanz

We use multimessenger observations of the neutron star merger event GW170817 to derive new constraints on axion-like particles (ALPs) coupling to photons. ALPs are produced via Primakoff and photon coalescence processes in the merger,…

High Energy Physics - Phenomenology · Physics 2025-11-24 P. S. Bhupal Dev , Jean-François Fortin , Steven P. Harris , Kuver Sinha , Yongchao Zhang

Axion-Like Particles (ALPs) are well-motivated candidates for dark matter and potential mediators to the dark sector. We present a search for ALPs coupled to photons, based on a reinterpretation of COMPASS data. Using the 2009 dataset…

High Energy Physics - Phenomenology · Physics 2026-04-23 Mehran Dehpour

Axion Like Particles (ALPs), postulated to solve the strong-CP problem, are predicted to couple with photons in the presence of magnetic fields, which may lead to a significant change in the observed spectra of gamma-ray sources such as…

Cosmology and Nongalactic Astrophysics · Physics 2011-03-04 Miguel A. Sanchez-Conde

We study the collider phenomenology of leptophilic axion-like particles (ALPs), i.e. pseudoscalar particles that couple only to charged leptons. Loops of charged leptons induce effective interactions of the ALPs with photons, which depend…

High Energy Physics - Phenomenology · Physics 2025-11-11 Alexander Eberhart , Marco Fedele , Felix Kahlhoefer , Eike Ravensburg , Robert Ziegler

Axion Like Particles (ALPs), postulated to solve the strong-CP problem, are predicted to couple with photons in the presence of magnetic fields, which may lead to a significant change in the observed spectra of gamma-ray sources such as…

Cosmology and Nongalactic Astrophysics · Physics 2010-01-13 Miguel A. Sanchez-Conde , David Paneque , Elliott D. Bloom , Francisco Prada , Alberto Dominguez

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 highly viable candidates for dark matter (DM) in the universe. If…

High Energy Astrophysical Phenomena · Physics 2019-11-25 Ahmed Ayad , Geoff Beck

We show that in theories of axionlike particles (ALPs) coupled to electrons at tree-level, the one-loop effective coupling to photons is process dependent: the effective coupling relevant for decay processes, $g_{a\gamma}^{\text{(D)}}$,…

High Energy Physics - Phenomenology · Physics 2022-11-29 Ricardo Z. Ferreira , M. C. David Marsh , Eike Müller

We study axion-like particles (ALPs) whose dominant interactions are with gluons and third-generation quarks, and whose couplings to light Standard Model (SM) particles arise at one loop. These loop-induced effects lead to ALP decays and…

High Energy Physics - Phenomenology · Physics 2025-09-01 Jon Butterworth , Matthew Cullingworth , Joseph Egan , Fabian Esser , Veronica Sanz , Maria Ubiali

Photons propagating in an external magnetic field may oscillate into axions or axion-like particles (ALPs). Such oscillations will lead to characteristic features in the energy spectrum of high-energy photons from astrophysical sources that…

High Energy Astrophysical Phenomena · Physics 2022-01-26 M. Kachelriess , J. Tjemsland

Axion-like particles (ALPs) are a common prediction of certain theories beyond the Standard Model and couple to photons in the presence of external magnetic fields. As a consequence, photon-ALP conversions could lead to an enhancement of…

High Energy Astrophysical Phenomena · Physics 2014-12-09 Manuel Meyer

Well-motivated extensions of the standard model predict ultra-light and fundamental pseudo-scalar particles (e.g., axions or axion-like particles: ALPs). Similarly to the Primakoff-effect for axions, ALPs can mix with photons and…

High Energy Physics - Phenomenology · Physics 2018-05-02 Jhilik Majumdar , Francesca Calore , Dieter Horns

Axion-like particles (ALPs) provide a promising direction in the search for new physics, while a wide range of models incorporate ALPs. We point out that future neutrino experiments, such as DUNE, possess competitive sensitivity to ALP…

High Energy Physics - Phenomenology · Physics 2021-05-19 Vedran Brdar , Bhaskar Dutta , Wooyoung Jang , Doojin Kim , Ian M. Shoemaker , Zahra Tabrizi , Adrian Thompson , Jaehoon Yu

Axion-like particles (ALPs) are promising dark matter candidates. Their signals in direct detection experiments arise from the well-known inverse Primakoff effect or the inverse Compton scattering of the ALPs with the electron. In this…

High Energy Physics - Phenomenology · Physics 2023-11-17 Wei Chao , Jing-Jing Feng , Ming-Jie Jin

Axion-like particles (ALPs) are very light, neutral, spin zero bosons predicted by superstring theory. ALPs interact primarily with two photons and in the presence of an external magnetic field they generate photon-ALP oscillations and the…

High Energy Physics - Phenomenology · Physics 2022-04-29 Giorgio Galanti

The axion-like particle (ALP)-photon mixing in the magnetic field around $\gamma$-ray sources or along the line-of-sight could induce oscillation between photons and ALPs, which then causes irregularities in the $\gamma$-ray spectra. In…

High Energy Physics - Phenomenology · Physics 2018-04-04 Cun Zhang , Yun-Feng Liang , Shang Li , Neng-Hui Liao , Lei Feng , Qiang Yuan , Yi-Zhong Fan , Zhong-Zhou Ren

Light pseudoscalars, or axion like particles (ALPs), are much studied due to their potential relevance to the fields of particle physics, astrophysics and cosmology. The most relevant coupling of ALPs from the viewpoint of current…

High Energy Physics - Theory · Physics 2014-02-19 L. H. C. Borges , A. G. Dias , A. F. Ferrari , J. R. Nascimento , A. Yu. Petrov

Axionlike particles (ALPs), hypothetical particles beyond the Standard Model, are considered as promising dark matter candidates. ALPs can convert into photons and vice versa in a magnetic field via the Primakoff effect, potentially…

High Energy Physics - Phenomenology · Physics 2025-10-21 Zhi-Qi Guo , Yue-Lin Sming Tsai , Lei Wu , Zi-Qing Xia

We constrain the coupling between axionlike particles (ALPs) and photons, measured with the superconducting resonant detection circuit of a cryogenic Penning trap. By searching the noise spectrum of our fixed-frequency resonant circuit for…

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