Related papers: New bounds on Axion-Like Particles in the Ultravio…

Bounds on Axions-Like Particles Shining in the Ultra-Violet

Axion-like particles (ALPs) can decay into two photons with a rest-frame frequency given by half of the ALP mass. This implies that ultra-violet searches can be used to investigate ALPs in the multi-eV mass range. We use archival data from…

High Energy Physics - Phenomenology · Physics 2025-05-30 Elisa Todarello , Marco Regis

Updated bounds on Axion-Like Particle Dark Matter with the optical MUSE-Faint survey

Bounds are derived on the axion-like particle (ALP) to two-photon coupling in the mass range $2.65-5.27$ eV. The bounds are obtained by searching for the signal from ALP decay in the Multi Unit Spectroscopic Explorer (MUSE) observations of…

Cosmology and Nongalactic Astrophysics · Physics 2023-10-04 Elisa Todarello

Constraining eV-scale axion-like particle dark matter: insights from the M87 Galaxy

Axion-like particles (ALPs) can account for the observed dark matter (DM) of the Universe and if their masses are at the eV scale, they can decay into infrared, optical and ultraviolet photons with a decay lifetime larger than the age of…

High Energy Physics - Phenomenology · Physics 2025-06-03 Arpan Kar , Sourov Roy , Pratick Sarkar

Searching for axion-like time-dependent cosmic birefringence with data from SPT-3G

Ultralight axionlike particles (ALPs) are compelling dark matter candidates because of their potential to resolve small-scale discrepancies between $\Lambda$CDM predictions and cosmological observations. Axion-photon coupling induces a…

Cosmology and Nongalactic Astrophysics · Physics 2022-08-31 K. R. Ferguson , A. J. Anderson , N. Whitehorn , P. A. R. Ade , M. Archipley , J. S. Avva , L. Balkenhol , K. Benabed , A. N. Bender , B. A. Benson , F. Bianchini , L. E. Bleem , F. R. Bouchet , L. Bryant , E. Camphuis , J. E. Carlstrom , T. W. Cecil , C. L. Chang , P. Chaubal , P. M. Chichura , T. -L. Chou , T. M. Crawford , A. Cukierman , C. Daley , T. de Haan , K. Dibert , M. A. Dobbs , A. Doussot , D. Dutcher , W. Everett , C. Feng , A. Foster , S. Galli , A. E. Gambrel , R. W. Gardner , N. Goeckner-Wald , R. Gualtieri , F. Guidi , S. Guns , N. W. Halverson , E. Hivon , G. P. Holder , W. L. Holzapfel , J. C. Hood , N. Huang , L. Knox , M. Korman , C. -L. Kuo , A. T. Lee , A. E. Lowitz , C. Lu , M. Millea , J. Montgomery , T. Natoli , G. I. Noble , V. Novosad , Y. Omori , S. Padin , Z. Pan , P. Paschos , K. Prabhu , W. Quan , A. Rahlin , C. L. Reichardt , M. Rouble , J. E. Ruhl , E. Schiappucci , G. Smecher , J. A. Sobrin , J. Stephen , A. Suzuki , C. Tandoi , K. L. Thompson , B. Thorne , C. Tucker , C. Umilta , J. D. Vieira , G. Wang , W. L. K. Wu , V. Yefremenko , M. R. Young

Constraints on Axion-Like Particles from Ultra-High-Energy Observations of 3HWC J1908+063 with HAWC

Axion-like particles (ALPs) are hypothetical particles and compelling candidates for cold dark matter. Their existence could be probed through their conversions into photons in the presence of magnetic fields. In this work, we explore the…

High Energy Astrophysical Phenomena · Physics 2026-01-22 R. Alfaro , C. Alvarez , A. Andres , E. Anita-Rangel , M. Araya , J. C. Arteaga-Velazquez , D. Avila Rojas , H. A. Ayala Solares , R. Babu , P. Bangale , E. Belmont-Moreno , A. Bernal , K. S. Caballero-Mora , T. Capistran , A. Carraminana , F. Carreon , S. Casanova , U. Cotti , J. Cotzomi , E. De la Fuente , P. Desiati , N. Di Lalla , R. Diaz Hernandez , M. A. DuVernois , J. C. Diaz-Velez , T. Ergin , C. Espinoza , N. Fraija , S. Fraija , J. A. Garcia-Gonzalez , F. Garfias , N. Ghosh , A. Gonzalez Munoz , M. M. Gonzalez , J. A. Gonzalez , J. A. Goodman , J. Gyeong , J. P. Harding , S. Hernandez-Cadena , I. Herzog , D. Huang , F. Hueyotl-Zahuantitla , A. Iriarte , S. Kaufmann , D. Kieda , A. Lara , W. H. Lee , J. Lee , H. Leon Vargas , A. L. Longinotti , G. Luis-Raya , K. Malone , O. Martinez , J. Martinez-Castro , H. Martinez-Huerta , J. A. Matthews , P. Miranda-Romagnoli , P. E. Miron-Enriquez , J. A. Morales-Soto , E. Moreno , M. Mostafa , M. Najafi , A. Nayerhoda , L. Nellen , M. U. Nisa , R. Noriega-Papaqui , N. Omodei , E. Ponce , Y. Perez Araujo , E. G. Perez-Perez , A. Pratts , C. D. Rho , A. Rodriguez Parra , D. Rosa-Gonzalez , M. Roth , A. Sandoval , M. Schneider , J. Serna-Franco , A. J. Smith , Y. Son , R. W. Springer , O. Tibolla , K. Tollefson , I. Torres , R. Torres-Escobedo , E. Varela , L. Villasenor , X. Wang , Z. Wang , I. J. Watson , H. Wu , S. Yu , X. Zhang , H. Zhou , C. de Leon

A New Bound on Axion-Like Particles

Axion-like particles (ALPs) and photons can quantum mechanically interconvert when propagating through magnetic fields, and ALP-photon conversion may induce oscillatory features in the spectra of astrophysical sources. We use deep (370 ks),…

High Energy Physics - Phenomenology · Physics 2017-12-27 M. C. David Marsh , Helen R. Russell , Andrew C. Fabian , Brian R. McNamara , Paul Nulsen , Christopher S. Reynolds

Searching for axion-like particle decay in the near-infrared background: an updated analysis

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

Constraints on Axion-like Particles from the Observation of Galactic Sources by LHAASO

High-energy photons may oscillate with axion-like particles (ALPs) when they propagate through the Milky Way's magnetic field, resulting in an alteration in the observed photon energy spectrum. The ultra-high energy gamma-ray spectra,…

High Energy Astrophysical Phenomena · Physics 2024-01-04 Jun Li , Xiao-Jun Bi , Lin-Qing Gao , Xiaoyuan Huang , Run-Min Yao , Peng-Fei Yin

Searching for Light in the Darkness: Bounds on ALP Dark Matter with the optical MUSE-Faint survey

We use MUSE spectroscopic observations of the dwarf spheroidal galaxy Leo T between 470 and 935 nm to search for radiative decays of axion like particles (ALPs). Under the assumption that ALPs constitute the dark matter component of the Leo…

Cosmology and Nongalactic Astrophysics · Physics 2021-01-21 Marco Regis , Marco Taoso , Daniel Vaz , Jarle Brinchmann , Sebastiaan L. Zoutendijk , Nicolas F. Bouché , Matthias Steinmetz

Search for decaying eV-mass axion-like particles using gamma-ray signal from blazars

Decaying axion-like particles (ALP) with masses in the eV range which might occupy dark matter halos of the Milky Way and other galaxies produce a characteristic "bump" feature in the spectrum of extragalactic background light (EBL). This…

High Energy Physics - Phenomenology · Physics 2020-04-20 A. Korochkin , A. Neronov , D. Semikoz

Search for Axion-Like Particles from Nearby Pre-Supernova Stars

Axion-like particles (ALPs) are hypothetical pseudoscalar bosons that arise in many extensions of the Standard Model and are well-motivated dark matter candidates. Nearby massive stars in the late stages of stellar evolution provide a…

High Energy Astrophysical Phenomena · Physics 2026-03-04 Saurabh Mittal , Thomas Siegert , Francesca Calore , Pierluca Carenza , Laura Eisenberger , Maurizio Giannotti , Alessandro Lella , Alessandro Mirizzi , Dimitris Tsatsis , Hiroki Yoneda

Search for an axion-like particle in radiative $J/\psi$ decays

We search for an axion-like particle (ALP) $a$ through the process $\psi(3686)\rightarrow\pi^+\pi^-J/\psi$, $J/\psi\rightarrow\gamma a$, $a\rightarrow\gamma\gamma$ in a data sample of $(2.71\pm0.01)\times10^9$ $\psi(3686)$ events collected…

High Energy Physics - Experiment · Physics 2023-03-31 BESIII Collaboration , M. Ablikim , M. N. Achasov , P. Adlarson , R. Aliberti , A. Amoroso , M. R. An , Q. An , Y. Bai , O. Bakina , R. Baldini Ferroli , I. Balossino , Y. Ban , V. Batozskaya , D. Becker , K. Begzsuren , N. Berger , M. Bertani , D. Bettoni , F. Bianchi , E. Bianco , J. Bloms , A. Bortone , I. Boyko , R. A. Briere , A. Brueggemann , H. Cai , X. Cai , A. Calcaterra , G. F. Cao , N. Cao , S. A. Cetin , J. F. Chang , T. T. Chang , W. L. Chang , G. R. Che , G. Chelkov , C. Chen , Chao Chen , G. Chen , H. S. Chen , M. L. Chen , S. J. Chen , S. M. Chen , T. Chen , X. R. Chen , X. T. Chen , Y. B. Chen , Y. Q. Chen , Z. J. Chen , W. S. Cheng , S. K. Choi , X. Chu , G. Cibinetto , S. C. Coen , F. Cossio , J. J. Cui , H. L. Dai , J. P. Dai , A. Dbeyssi , R. E. de Boer , D. Dedovich , Z. Y. Deng , A. Denig , I. Denysenko , M. Destefanis , F. De Mori , Y. Ding , Y. Ding , J. Dong , L. Y. Dong , M. Y. Dong , X. Dong , S. X. Du , Z. H. Duan , P. Egorov , Y. L. Fan , J. Fang , S. S. Fang , W. X. Fang , Y. Fang , R. Farinelli , L. Fava , F. Feldbauer , G. Felici , C. Q. Feng , J. H. Feng , K Fischer , M. Fritsch , C. Fritzsch , C. D. Fu , Y. W. Fu , H. Gao , Y. N. Gao , Yang Gao , S. Garbolino , I. Garzia , P. T. Ge , Z. W. Ge , C. Geng , E. M. Gersabeck , A Gilman , K. Goetzen , L. Gong , W. X. Gong , W. Gradl , M. Greco , M. H. Gu , Y. T. Gu , C. Y Guan , Z. L. Guan , A. Q. Guo , L. B. Guo , R. P. Guo , Y. P. Guo , A. Guskov , X. T. H. , W. Y. Han , X. Q. Hao , F. A. Harris , K. K. He , K. L. He , F. H. Heinsius , C. H. Heinz , Y. K. Heng , C. Herold , T. Holtmann , P. C. Hong , G. Y. Hou , Y. R. Hou , Z. L. Hou , H. M. Hu , J. F. Hu , T. Hu , Y. Hu , G. S. Huang , K. X. Huang , L. Q. Huang , X. T. Huang , Y. P. Huang , T. Hussain , N Hüsken , W. Imoehl , M. Irshad , J. Jackson , S. Jaeger , S. Janchiv , J. H. Jeong , Q. Ji , Q. P. Ji , X. B. Ji , X. L. Ji , Y. Y. Ji , Z. K. Jia , P. C. Jiang , S. S. Jiang , T. J. Jiang , X. S. Jiang , Y. Jiang , J. B. Jiao , Z. Jiao , S. Jin , Y. Jin , M. Q. Jing , T. Johansson , X. K. , S. Kabana , N. Kalantar-Nayestanaki , X. L. Kang , X. S. Kang , R. Kappert , M. Kavatsyuk , B. C. Ke , A. Khoukaz , R. Kiuchi , R. Kliemt , L. Koch , O. B. Kolcu , B. Kopf , M. Kuessner , A. Kupsc , W. Kühn , J. J. Lane , J. S. Lange , P. Larin , A. Lavania , L. Lavezzi , T. T. Lei , Z. H. Lei , H. Leithoff , M. Lellmann , T. Lenz , C. Li , C. Li , C. H. Li , Cheng Li , D. M. Li , F. Li , G. Li , H. Li , H. B. Li , H. J. Li , H. N. Li , Hui Li , J. R. Li , J. S. Li , J. W. Li , Ke Li , L. J Li , L. K. Li , Lei Li , M. H. Li , P. R. Li , S. X. Li , S. Y. Li , T. Li , W. D. Li , W. G. Li , X. H. Li , X. L. Li , Xiaoyu Li , Y. G. Li , Z. J. Li , Z. X. Li , Z. Y. Li , C. Liang , H. Liang , H. Liang , H. Liang , Y. F. Liang , Y. T. Liang , G. R. Liao , L. Z. Liao , J. Libby , A. Limphirat , D. X. Lin , T. Lin , B. X. Liu , B. J. Liu , C. Liu , C. X. Liu , D. Liu , F. H. Liu , Fang Liu , Feng Liu , G. M. Liu , H. Liu , H. B. Liu , H. M. Liu , Huanhuan Liu , Huihui Liu , J. B. Liu , J. L. Liu , J. Y. Liu , K. Liu , K. Y. Liu , Ke Liu , L. Liu , L. C. Liu , Lu Liu , M. H. Liu , P. L. Liu , Q. Liu , S. B. Liu , T. Liu , W. K. Liu , W. M. Liu , X. Liu , Y. Liu , Y. B. Liu , Z. A. Liu , Z. Q. Liu , X. C. Lou , F. X. Lu , H. J. Lu , J. G. Lu , X. L. Lu , Y. Lu , Y. P. Lu , Z. H. Lu , C. L. Luo , M. X. Luo , T. Luo , X. L. Luo , X. R. Lyu , Y. F. Lyu , F. C. Ma , H. L. Ma , J. L. Ma , L. L. Ma , M. M. Ma , Q. M. Ma , R. Q. Ma , R. T. Ma , X. Y. Ma , Y. Ma , F. E. Maas , M. Maggiora , S. Maldaner , S. Malde , A. Mangoni , Y. J. Mao , Z. P. Mao , S. Marcello , Z. X. Meng , J. G. Messchendorp , G. Mezzadri , H. Miao , T. J. Min , R. E. Mitchell , X. H. Mo , N. Yu. Muchnoi , Y. Nefedov , F. Nerling , I. B. Nikolaev , Z. Ning , S. Nisar , Y. Niu , S. L. Olsen , Q. Ouyang , S. Pacetti , X. Pan , Y. Pan , A. Pathak , Y. P. Pei , M. Pelizaeus , H. P. Peng , K. 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Zhemchugov , B. Zheng , J. P. Zheng , W. J. Zheng , Y. H. Zheng , B. Zhong , X. Zhong , H. Zhou , L. P. Zhou , X. Zhou , X. K. Zhou , X. R. Zhou , X. Y. Zhou , Y. Z. Zhou , J. Zhu , K. Zhu , K. J. Zhu , L. Zhu , L. X. Zhu , S. H. Zhu , S. Q. Zhu , T. J. Zhu , W. J. Zhu , Y. C. Zhu , Z. A. Zhu , J. H. Zou , J. Zu

Searching for eV-mass Axion-like Particles with Cross Correlations between Line Intensity and Weak Lensing Maps

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

Constraints on Axions and Axionlike Particles from Fermi Large Area Telescope Observations of Neutron Stars

We present constraints on the nature of axions and axionlike particles (ALPs) by analyzing gamma--ray data from neutron stars using the Fermi Large Area Telescope. In addition to axions solving the strong CP problem of particle physics,…

High Energy Astrophysical Phenomena · Physics 2016-03-02 Bijan Berenji , Jennifer Gaskins , Manuel Meyer

Probing axion-like particles with the ultraviolet photon polarization from active galactic nuclei in radio galaxies

The mixing of photons with axion-like particles (ALPs) in the large-scale magnetic field $B$ changes the polarization angle of a linearly polarized photon beam from active galactic nuclei in radio galaxies as it propagates over cosmological…

High Energy Astrophysical Phenomena · Physics 2012-06-13 D. Horns , L. Maccione , A. Mirizzi , M. Roncadelli

New Limit on Axion-Like Dark Matter using Cold Neutrons

We report on a search for dark matter axion-like particles (ALPs) using a Ramsey-type apparatus for cold neutrons. A hypothetical ALP-gluon-coupling would manifest in a neutron electric dipole moment signal oscillating in time. Twenty-four…

High Energy Physics - Experiment · Physics 2026-03-04 Ivo Schulthess , Estelle Chanel , Anastasio Fratangelo , Alexander Gottstein , Andreas Gsponer , Zachary Hodge , Ciro Pistillo , Dieter Ries , Torsten Soldner , Jacob Thorne , Florian M. Piegsa

Constraints on Axion-like Particles from a Hard $X$-ray Observation of Betelgeuse

We use the first observation of Betelgeuse in hard $X$-rays to perform a novel search for axion-like particles (ALPs). Betelgeuse is not expected to be a standard source of $X$-rays, but light ALPs produced in the stellar core could be…

High Energy Astrophysical Phenomena · Physics 2021-01-27 Mengjiao Xiao , Kerstin M. Perez , Maurizio Giannotti , Oscar Straniero , Alessandro Mirizzi , Brian W. Grefenstette , Brandon M. Roach , Melania Nynka

Searching for dark matter with a 1000 km baseline interferometer

Axion-like particles (ALPs) arise from well-motivated extensions to the Standard Model and could account for dark matter. ALP dark matter would manifest as a field oscillating at an (as of yet) unknown frequency. The frequency depends…

High Energy Physics - Phenomenology · Physics 2025-11-05 Daniel Gavilan-Martin , Grzegorz Lukasiewicz , Mikhail Padniuk , Emmanuel Klinger , Magdalena Smolis , Nataniel L. Figueroa , Derek F. Jackson Kimball , Alexander O. Sushkov , Szymon Pustelny , Dmitry Budker , Arne Wickenbrock

Axion Condensate Dark Matter Constraints from Resonant Enhancement of Background Radiation

We investigate the possible parametric growth of photon amplitudes in a background of axion-like particle (ALP) dark matter. The observed extragalactic background radiation limits the allowed enhancement effect. We derive the resulting…

Cosmology and Nongalactic Astrophysics · Physics 2019-07-11 Günter Sigl , Pranjal Trivedi

Constraints on axionlike particles from 16.5 years of Fermi-LAT data and prospects for VLAST

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