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Related papers: New Probes for Axion-like Particles at Hadron Coll…

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In this paper, we explore the phenomenology of massive Axion-Like Particles (ALPs) coupled to quarks and gluons, dubbed 'QCD ALPs', with an emphasis on the associated low-energy observables. ALPs coupled to gluons and quarks not only induce…

High Energy Physics - Phenomenology · Physics 2024-08-20 Alessandro Lella , Eike Ravensburg , Pierluca Carenza , M. C. David Marsh

The axion-like particle (ALP) is a well motivated new particle candidate of beyond the Standard Model. In this work, we propose to probe the ALP through the photon fusion scattering at the upcoming Electron-Ion Collider (EIC) with electron…

High Energy Physics - Phenomenology · Physics 2023-03-29 Yandong Liu , Bin Yan

In this paper we explore the coupling of a light axion-like particle (ALP) to top quarks. We use high-energy LHC probes, and examine both the direct probe to this coupling in associated production of a top-pair with an ALP, and the indirect…

High Energy Physics - Phenomenology · Physics 2023-10-11 Fabian Esser , Maeve Madigan , Veronica Sanz , Maria Ubiali

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…

The production of axionlike particles (ALPs) with small masses in ultraperipheral $Pb - p$ and $Pb - Pb$ collisions at the LHC is investigated. The cross section and kinematical distributions associated to the diphoton final state produced…

High Energy Physics - Phenomenology · Physics 2021-07-07 V. P. Goncalves , D. E. Martins , M. S. Rangel

We observe that most studies of axion-like particle (ALP) production channels at the Large Hadron Collider (LHC) focus on a single type of ALP operator for each process in the effective field theory framework. In this work, we propose an…

High Energy Physics - Phenomenology · Physics 2024-09-26 Kingman Cheung , Chih-Ting Lu , C. J. Ouseph , Priyanka Sarmah

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

Axion-like particles (ALPs) and heavy neutral leptons (HNLs) are two well-motivated classes of particles beyond the Standard Model. It is intriguing to explore the new detection opportunities that may arise if both particle types coexist.…

High Energy Physics - Phenomenology · Physics 2025-03-21 Marta Burgos Marcos , Arturo de Giorgi , Luca Merlo , Jean-Loup Tastet

We provide a comprehensive analysis of the phenomenology of axion-like particles (ALPs) produced in core-collapse supernovae (ccSNe) through interactions with electrons and muons, both of which have a non-negligible abundance in the SN…

High Energy Physics - Phenomenology · Physics 2025-10-17 Ricardo Z. Ferreira , M. C. David Marsh , Eike Ravensburg

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…

Several extensions of the Standard Model predict the existence of Axion-Like Particles (ALPs), very light spin-zero bosons with a two-photon coupling. ALPs can give rise to observable effects in very-high-energy astrophysics. Above roughly…

High Energy Astrophysical Phenomena · Physics 2015-06-05 Marco Roncadelli , Alessandro De Angelis , Giorgio Galanti

Axion Like Particles (ALPs) belong to a well motivated class of particles which are part of a more complete UV theory. In this work, we initiate and present the inclusion of such ALPs or the conventional axions in the Heavy Hadron Chiral…

High Energy Physics - Phenomenology · Physics 2023-08-02 Namit Mahajan

The virtual production of axion-like particles (ALPs) in the light-by-light scattering at the CLIC collider is studied. Both differential and total cross sections are calculated, assuming interaction of the ALP with photons via CP-odd term…

High Energy Physics - Phenomenology · Physics 2020-07-15 S. C. Inan , A. V. Kisselev

In this work, prospects to probe an overlooked facet of axion-like particles (ALPs) -- their potential couplings to sterile neutrinos -- are presented. We found that mono-photon searches have the potential to constrain ALP couplings to…

High Energy Physics - Phenomenology · Physics 2020-08-18 Alexandre Alves , Alex G. Dias , Diego D. Lopes

We evaluate discovery prospects for photophobic axion-like particles (ALPs) in the $WWjj$ final state at the High-Luminosity LHC (HL-LHC; $\sqrt{s}=14$ TeV, $L=3$ ab$^{-1}$). In the photophobic limit ($g_{a\gamma\gamma}=0$), ALPs couple to…

High Energy Physics - Phenomenology · Physics 2025-11-27 Jiaojiao Feng , Ying-nan Mao , Kechen Wang

Studies of axion-like particles (ALPs) commonly focus on a single type of interaction, for example couplings only to photons. Most ALP models however predict correlations between different couplings, which change the phenomenology in…

High Energy Physics - Phenomenology · Physics 2020-07-15 Fatih Ertas , Felix Kahlhoefer

We study the discovery potential for heavy axion-like particles (ALPs) and the perspectives for determining their coupling properties at a muon collider. Focusing on their couplings to the Standard Model (SM) gauge bosons $\gamma, Z,…

High Energy Physics - Phenomenology · Physics 2022-03-11 Tao Han , Tong Li , Xing Wang

Axion-like particles (ALPs) are new particles that extend beyond the standard model (SM) and are highly motivated. When considering ALPs within an effective field theory framework, their couplings with SM particles can be studied…

High Energy Physics - Phenomenology · Physics 2023-07-04 Chih-Ting Lu , Xiaoyi Luo , Xinqi Wei

Axion-like particles (ALPs) belong to a class of new pseudoscalar particles that generically couple to photons, opening the possibility of oscillations from photons into ALPs in an external magnetic field. Having witnessed the turbulence of…

High Energy Astrophysical Phenomena · Physics 2013-11-14 Denis Wouters , Pierre Brun

Axion-like particles (ALPs) can couple to photons in strong magnetic fields, producing characteristic fluctuations in X-ray spectra. Using data from NASA's Neutron Star Interior Composition Explorer (NICER), we analyzed three pulsars: PSR…

High Energy Astrophysical Phenomena · Physics 2026-02-10 Yen-Jhen Liu , Yi Yang