Related papers: PASSAT: Particle Accelerator helioScopes for Slim …

Probing $\mu$eV ALPs with future LHAASO observation of AGN $\gamma$-ray spectra

Axion-like particles (ALPs) are predicted in some well-motivated theories beyond the Standard Model. The TeV gamma-rays from active galactic nuclei (AGN) suffer attenuation by the pair production interactions with the cosmic background…

High Energy Astrophysical Phenomena · Physics 2021-10-11 Guangbo Long , Siyu Chen , Shuo Xu , Hong-Hao Zhang

Search for 14.4 keV solar axions emitted in the M1-transition of 57Fe nuclei with CAST

We have searched for 14.4 keV solar axions or more general axion-like particles (ALPs), that may be emitted in the M1 nuclear transition of 57Fe, by using the axion-to-photon conversion in the CERN Axion Solar Telescope (CAST) with…

High Energy Physics - Experiment · Physics 2009-12-08 CAST Collaboration , S. Andriamonje , S. Aune , D. Autiero , K. Barth , A. Belov , B. Beltrán , H. Bräuninger , J. M. Carmona , S. Cebrián , J. I. Collar , T. Dafni , M. Davenport , L. Di Lella , C. Eleftheriadis , J. Englhauser , G. Fanourakis , E. Ferrer-Ribas , H. Fischer , J. Franz , P. Friedrich , T. Geralis , I. Giomataris , S. Gninenko , H. Gómez , M. Hasinoff , F. H. Heinsius , D. H. H. Hoffmann , I. G. Irastorza , J. Jacoby , K. Jakovčić , D. Kang , K. Königsmann , R. Kotthaus , M. Krčmar , K. Kousouris , M. Kuster , B. Lakić , C. Lasseur , A. Liolios , A. Ljubičić , G. Lutz , G. Luzón , D. Miller , J. Morales , A. Ortiz , T. Papaevangelou , A. Placci , G. Raffelt , H. Riege , A. Rodríguez , J. Ruz , I. Savvidis , Y. Semertzidis , P. Serpico , L. Stewart , J. Vieira , J. Villar , J. Vogel , L. Walckiers , K. Zioutas

Axion-photon conversion in transient compact stars: Systematics, constraints, and opportunities

We study magnetic conversion of ultra-relativistic axion-like particles (ALPs) into photons in compact-star environments, focusing on the hot, transient conditions of core-collapse supernova (SN) remnants and neutron-star mergers (NSMs). We…

High Energy Physics - Phenomenology · Physics 2026-05-06 Damiano F. G. Fiorillo , Ángel Gil Muyor , Hans-Thomas Janka , Georg G. Raffelt , Edoardo Vitagliano

Searching for Axion-Like Particles with the Blazar Observations of MAGIC and Fermi-LAT

We explore the axion-like particle (ALP)-photon oscillation effect in the $\gamma$-ray spectra of the blazars Markarian 421 (Mrk 421) and PG 1553+113, which are measured by the Major Atmospheric Gamma Imaging Cherenkov Telescopes (MAGIC)…

High Energy Astrophysical Phenomena · Physics 2022-08-17 Hai-Jun Li , Xiao-Jun Bi , Peng-Fei Yin

Light Axion-Like Particles at Future Lepton Colliders

Axion-like particles (ALPs) are well-motivated extensions of the Standard Model (SM) that appear in many new physics scenarios, with masses spanning a broad range. In this work, we systematically study the production and detection prospects…

High Energy Physics - Phenomenology · Physics 2025-10-22 Shou-shan Bao , Yang Ma , Yongcheng Wu , Keping Xie , Hong Zhang

Constraining Axion-Like Particles with HAWC Observations of TeV Blazars

Axion-like particles (ALPs) are a broad class of pseudo-scalar bosons that generically arise from broken symmetries in extensions of the standard model. In many scenarios, ALPs can mix with photons in regions with high magnetic fields.…

High Energy Physics - Phenomenology · Physics 2022-03-10 Sunniva Jacobsen , Tim Linden , Katherine Freese

Search for an Axion-Like Particle in B Meson Decays

Axion-like particles (ALPs) are predicted in many extensions of the Standard Model, and their masses can naturally be well below the electroweak scale. In the presence of couplings to electroweak bosons, these particles could be emitted in…

High Energy Physics - Experiment · Physics 2021-11-04 The BABAR Collaboration

Prospects for probing axionlike particles at a future hadron collider through top quark production

Axionlike particles (ALPs) emerge from spontaneously broken global symmetries in high energy extensions of the Standard Model (SM). This causes ALPs to be among the objectives of future experiments which intend to search for new physics…

High Energy Physics - Phenomenology · Physics 2022-08-23 Yasaman Hosseini , Mojtaba Mohammadi Najafabadi

Search for sub-eV axion-like particles in a stimulated resonant photon-photon collider with two laser beams based on a novel method to discriminate pressure-independent components

Sub-eV axion-like particles (ALPs) have been searched for by focusing two-color near-infrared pulse lasers into a vacuum along a common optical axis. Within the focused quasi-parallel collision system created by combining a creation field…

High Energy Physics - Experiment · Physics 2022-08-23 Yuri Kirita , Takumi Hasada , Masaki Hashida , Yusuke Hirahara , Kensuke Homma , Shunsuke Inoue , Fumiya Ishibashi , Yoshihide Nakamiya , Liviu Neagu , Akihide Nobuhiro , Takaya Ozaki , Madalin-Mihai Rosu , Shuji Sakabe , Ovidiu Tesileanu

Non-Resonant Searches for Axion-Like Particles at the LHC

We propose a new collider probe for axion-like particles (ALPs), and more generally for pseudo-Goldstone bosons: non-resonant searches which take advantage of the derivative nature of their interactions with Standard Model particles. ALPs…

High Energy Physics - Phenomenology · Physics 2020-02-12 M. B. Gavela , J. M. No , V. Sanz , J. F. de Trocóniz

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. Peters , J. L. Ping , R. G. Ping , S. Plura , S. Pogodin , V. Prasad , F. Z. Qi , H. Qi , H. R. Qi , M. Qi , T. Y. Qi , S. Qian , W. B. Qian , C. F. Qiao , J. J. Qin , L. Q. Qin , X. P. Qin , X. S. Qin , Z. H. Qin , J. F. Qiu , S. Q. Qu , C. F. Redmer , K. J. Ren , A. Rivetti , V. Rodin , M. Rolo , G. Rong , Ch. Rosner , S. N. Ruan , A. Sarantsev , Y. Schelhaas , K. Schoenning , M. Scodeggio , K. Y. Shan , W. Shan , X. Y. Shan , J. F. Shangguan , L. G. Shao , M. Shao , C. P. Shen , H. F. Shen , W. H. Shen , X. Y. Shen , B. A. Shi , H. C. Shi , J. Y. Shi , Q. Q. Shi , R. S. Shi , X. Shi , J. J. Song , T. Z. Song , W. M. Song , Y. X. Song , S. Sosio , S. Spataro , F. Stieler , Y. J. Su , G. B. Sun , G. X. Sun , H. Sun , H. K. Sun , J. F. Sun , K. Sun , L. Sun , S. S. Sun , T. Sun , W. Y. Sun , Y. Sun , Y. J. Sun , Y. Z. Sun , Z. T. Sun , Y. X. Tan , C. J. Tang , G. Y. Tang , J. Tang , Y. A. Tang , L. Y Tao , Q. T. Tao , M. Tat , J. X. Teng , V. Thoren , W. H. Tian , W. H. Tian , Y. 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ALP dark matter with non-periodic potentials: parametric resonance, halo formation and gravitational signatures

Axion-like particles (ALPs) are leading candidates to explain the dark matter in the universe. Their production via the misalignment mechanism has been extensively studied for cosine potentials characteristic of pseudo-Nambu-Goldstone…

High Energy Physics - Phenomenology · Physics 2023-10-30 Aleksandr Chatrchyan , Cem Eröncel , Matthias Koschnitzke , Géraldine Servant

Inverse Primakoff Scattering for Axionlike Particle Coupling

Axionlike particles (ALPs) can be produced in the Sun, and are considered viable candidates for the cosmological dark matter (DM). It can decay into two photons or interact with matter. We identify new inelastic channels of inverse…

High Energy Physics - Phenomenology · Physics 2023-08-29 C. -P. Wu , C. -P. Liu , Greeshma C. , L. Singh , J. -W. Chen , H. -C. Chi , M. K. Pandey , H. T. Wong

Search for Sub-GeV Axion-Like Particles at EBES Pilot Run Using 4 GeV Positron Beam at KEK LINAC

We report the results of a search for sub-GeV axion-like particles (ALPs) using pilot run data from the Electron Beam-dump Experiment at KEK LINAC Switching Yard 3 (EBES). The data were collected in December 2023 with a 4 GeV positron beam…

High Energy Physics - Experiment · Physics 2026-05-11 Takahiro Fusayasu , Tomoya Iizawa , Fumihito Ikeda , Akimasa Ishikawa , Masako Iwasaki , Hiroshi Iwase , Takahiro Kawahara , Aoi Masaki , Fusashi Miyahara , Yu Morikawa , Yuichi Okayasu , Toshiyuki Ono , Hidetoshi Otono , Yasuhito Sakaki , Takumi Seino , Yuta Shimasaki , Taikan Suehara , Yosuke Takubo , Shusaku Tsumura , Kosuke Uemura , Yifu Zhang

Hunting for Extragalactic Axion-like Dark Matter in a Decade-long Blazar Optical Polarimetry

Axions or axion-like particles (ALPs) are well-motivated dark matter (DM) candidates whose coupling to photons induces periodic oscillations in the polarization angle of astrophysical light. This work reports the first search for such a…

High Energy Astrophysical Phenomena · Physics 2025-11-11 Qiu-Ju Huang , Bao Wang , Jun-Jie Wei , Xue-Feng Wu

Constraining Axion-Like Particles Dark Matter in Coma Berenices with FAST

Axions and axion-like particles (ALPs) appear in many extensions of the Standard Model and are being investigated as promising dark matter (DM) candidates. One viable methodology for their detection involves the investigation of the…

High Energy Astrophysical Phenomena · Physics 2024-04-18 Wen-Qing Guo , Zi-Qing Xia , Xiaoyuan Huang

Search for Axionlike Dark Matter Using Liquid-State Nuclear Magnetic Resonance

We search for dark matter in the form of axionlike particles (ALPs) in the mass range $5.576741 \,\mathrm{neV/c^2}$ - $5.577733\,\mathrm{neV/c^2}$ by probing their possible coupling to fermion spins through the ALP field gradient. This is…

High Energy Physics - Experiment · Physics 2026-01-13 Julian Walter , Olympia Maliaka , Yuzhe Zhang , John Blanchard , Gary Centers , Arian Dogan , Martin Engler , Nataniel L. Figueroa , Younggeun Kim , Derek F. Jackson Kimball , Matthew Lawson , Declan W. Smith , Alexander O. Sushkov , Dmitry Budker , Hendrik Bekker , Arne Wickenbrock

Searches for Axionlike Particles Using Gamma-Ray Observations

Axionlike particles (ALPs) are a common prediction of theories beyond the Standard Model of particle physics that could explain the entirety of the cold dark matter. These particles could be detected through their mixing with photons in…

High Energy Astrophysical Phenomena · Physics 2019-08-14 Manuel Meyer

Frequency-scanning considerations in axionlike dark matter spin-precession experiments

Galactic dark matter may consist of axionlike particles (ALPs) that can be described as an "ultralight bosonic field" oscillating at the ALP Compton frequency. The ALP field can be searched for using nuclear magnetic resonance (NMR), where…

Atomic Physics · Physics 2024-11-19 Yuzhe Zhang , Deniz Aybas Tumturk , Hendrik Bekker , Dmitry Budker , Derek F. Jackson Kimball , Alexander O. Sushkov , Arne Wickenbrock

Search for the $\gamma Z$ decay mode of heavy photophobic axion-like particles at the LHC

We assume the coupling of Axion-like particle (ALP) to diphoton $g_{a\gamma\gamma} \sim 0$ and accomplish detailed analyses for the $\gamma Z$ decay mode of such heavy photophobic ALPs at the high luminosity-Large Hadron Collider (HL-LHC).…

High Energy Physics - Phenomenology · Physics 2025-05-20 Zilong Ding , Ying-nan Mao , Kechen Wang