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Related papers: Axion-Photon Mixing in 3D: Classical Equations and…

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We propose a novel way to search for axion(-like) particles in heavy-ion collisions using prompt photons as the probe and the property of conversion between photon and axion(-like) particles under a strong magnetic field generated in the…

High Energy Physics - Phenomenology · Physics 2022-08-23 Yi Yang , Cheng-Wei Lin

A dark photon may kinetically mix with the ordinary photon, inducing oscillations with observable imprints on cosmology. Oscillations are resonantly enhanced if the dark photon mass equals the ordinary photon plasma mass, which tracks the…

Cosmology and Nongalactic Astrophysics · Physics 2020-12-11 Andrea Caputo , Hongwan Liu , Siddharth Mishra-Sharma , Joshua T. Ruderman

In interstellar media characterized by a nonrelativistic plasma of electrons and heavy ions, we study the effect of axion dark matter coupled to photons on the dynamics of an electric field. In particular, we assume the presence of a…

High Energy Physics - Phenomenology · Physics 2025-05-20 Makoto Amakawa , Tomohiro Fujita , Shinji Tsujikawa

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

Axions and axion-like particles (ALPs) remain highly motivated extensions to the standard model due to their ability to address open questions such as the relic abundance of dark matter and the strong CP problem. Axions are also capable of…

Cosmology and Nongalactic Astrophysics · Physics 2024-11-22 Bryce Cyr , Jens Chluba , Pranav Bharadwaj Gangrekalve Manoj

The axion is a hypothetical particle motivated to address the strong CP problem, and is one of the appealing dark matter candidates. Numerous experimental searches for dark matter axions have been proposed relying on their coupling with…

High Energy Physics - Phenomenology · Physics 2023-04-25 Junu Jeong , Younggeun Kim , Sungjae Bae , Sungwoo Youn

It is well known that current spectroscopic determinations of the chemical composition of the Sun are starkly at odds with the metallicity implied by helioseismology. We investigate whether the discrepancy may be due to conversion of…

Solar and Stellar Astrophysics · Physics 2013-06-20 Aaron C. Vincent , Pat Scott , Regner Trampedach

Photons may convert into axion like particles and back in the magnetic field of various astrophysical objects, including active galaxies, clusters of galaxies, intergalactic space and the Milky Way. This is a potential explanation for the…

High Energy Astrophysical Phenomena · Physics 2020-04-20 Malcolm Fairbairn , Timur Rashba , Sergey Troitsky

Axions produced copiously in core-collapse supernovae can convert into photons as they propagate through various astrophysical magnetic fields. The cumulative emission from the cosmic population of supernovae can therefore generate a…

High Energy Physics - Phenomenology · Physics 2026-04-21 Brijesh Kanodia , Debajit Bose , Subhadip Bouri , Ranjan Laha

The mixing of photons with light pseudoscalars in the presence of external electromagnetic fields has been used extensively to search for axion-like-particles. A similar effect for dark photon propagating states is usually not considered…

High Energy Physics - Phenomenology · Physics 2022-09-14 Jean-François Fortin , Kuver Sinha

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

The axion photon system in an external magnetic field, when for example considered with the geometry of the experiments exploring axion photon mixing (which can be represented by a 1+1 effective model) displays a continuous axion-photon…

High Energy Physics - Theory · Physics 2008-09-11 Eduardo I. Guendelman , Idan Shilon

Pseudoscalar particles, with almost zero mass and very weak coupling to the visible matter, arise in many extensions of the standard model of particle physics. Their mixing with photons in the presence of an external magnetic field leads to…

High Energy Physics - Phenomenology · Physics 2009-08-03 Avijit K. Ganguly , Pankaj Jain , Subhayan Mandal

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

Axion-photon conversion at dielectric interfaces, immersed in a near-homogeneous magnetic field, is the basis for the dielectric haloscope method to search for axion dark matter. In analogy to transition radiation, this process is possible…

High Energy Physics - Phenomenology · Physics 2017-09-07 Ara N. Ioannisian , Narine Kazarian , Alexander J. Millar , Georg G. Raffelt

When axion cold dark matter interacts with a static magnetic field, it can be converted to photons with energy near the axion's mass. Classical analysis shows that incorporating a resonant cavity significantly enhances this conversion rate,…

High Energy Physics - Phenomenology · Physics 2025-05-20 Ruifeng Zheng , Puxian Wei , Qiaoli Yang

Coupling of axions or axion-like particles (ALPs) with photons may lead to photons escaping optically opaque regions by oscillating into ALPs. This phenomenon may be viewed as the Light Shining through Wall (LSW) scenario. While this LSW…

High Energy Physics - Phenomenology · Physics 2023-11-27 Dibya S. Chattopadhyay , Basudeb Dasgupta , Amol Dighe , Mayank Narang

Axion-like particles (ALPs), hypothetical extensions of the Standard Model, can convert into photons in an external magnetic field. Two recent studies~\cite{Todarello:2023ptf, Ruz:2024gkl} explored the phenomenology of ALP-photon conversion…

High Energy Physics - Phenomenology · Physics 2025-01-28 Elisa Todarello

The effects of an external time-dependent magnetic field in the conversion probability of photon-to-axion-like particles are studied. Our findings show that for a certain time regime, the amplitude of the produced axion-like field can be…

High Energy Physics - Phenomenology · Physics 2016-12-21 Paola Arias , Ariel Arza and , Jorge Gamboa

Axions and photons resonantly interconvert in regions where the plasma frequency approximately equals the axion mass. This process is directly analogous to an avoided level crossing in quantum mechanics, for which the celebrated…

High Energy Physics - Phenomenology · Physics 2023-04-14 Pierluca Carenza , M. C. David Marsh