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Related papers: The LHC as an Axion-Photon Collider

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Axion-like particles (ALPs) appear from spontaneous global symmetry breaking in many extensions of the Standard Model (SM). In this paper, we find bounds on ALP ($a$) model parameters at the LHC from the ALP production associated with a…

High Energy Physics - Phenomenology · Physics 2019-07-24 Javad Ebadi , Sara Khatibi , Mojtaba Mohammadi Najafabadi

The existence of an axion-like particle (ALP) would induce anomalous scattering of light by light. This process can be probed at the Large Hadron Collider in central exclusive production of photon pairs in proton-proton collisions by…

High Energy Physics - Phenomenology · Physics 2018-08-01 Cristian Baldenegro , Sylvain Fichet , Gero von Gersdorff , Christophe Royon

The possibility of searching for long-lived axion-like particles (ALPs) decaying into photons is investigated in ultraperipheral $PbPb$ collisions at the Large Hadron Collider (LHC). We propose a search strategy for low mass ALPs using the…

High Energy Physics - Phenomenology · Physics 2025-01-27 Pedro Nogarolli , Victor P. Gonçalves , Murilo S. Rangel

We study the discovery potential of axion-like particles (ALP), pseudo-scalars weakly coupled to Standard Model fields, at the Large Hadron Collider (LHC). Our focus is on ALPs coupled to the electromagnetic field, which would induce…

High Energy Physics - Phenomenology · Physics 2019-06-20 C. Baldenegro , S. Hassani , C. Royon , L. Schoeffel

The current status and future prospects of searches for axion-like particles (ALPs) at colliders, mostly focused on the CERN LHC, are summarized. Constraints on ALPs with masses above a few GeV that couple to photons, as well as to Z or…

High Energy Physics - Experiment · Physics 2021-02-25 David d'Enterria

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

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

Axion-like particles (ALPs) appear in various new physics models with spontaneous global symmetry breaking. When the ALP mass is in the range of MeV to GeV, the cosmology and astrophysics bounds are so far quite weak. In this work, we…

High Energy Physics - Phenomenology · Physics 2021-12-08 Jie Ren , Daohan Wang , Lei Wu , Jin Min Yang , Mengchao Zhang

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

New pseudo-scalars, often called axion-like particles (ALPs), abound in model-building and are often associated with the breaking of a new symmetry. Traditional searches and indirect bounds are limited to light axions, typically in or below…

High Energy Physics - Phenomenology · Physics 2015-06-11 Ken Mimasu , Verónica Sanz

A virtual production of heavy axion-like particles (ALPs) via light-by-light scattering in pp, pPb and Pb collisions at the future 100 TeV collider FCC-hh is studied. Both differential and total cross sections are calculated. The 95\% C.L.…

High Energy Physics - Phenomenology · Physics 2026-05-18 S. C. Inan , A. V. Kisselev

We study axion-like particles (ALPs) with quark-flavor-violating couplings at the LHC. Specifically, we focus on the theoretical scenario with ALP-top-up and ALP-top-charm interactions, in addition to the more common quark-flavor-diagonal…

High Energy Physics - Phenomenology · Physics 2024-07-30 Kingman Cheung , Fei-Tung Chung , Giovanna Cottin , Zeren Simon Wang

The production of axionlike particles (ALP) in ultraperipheral $PbPb$ collisions (UPHIC) is investigated considering the energies of the next run of the Large Hadron Collider (LHC) and of the future High Energy -- LHC (HE -- LHC) and Future…

High Energy Physics - Phenomenology · Physics 2020-06-24 R. O. Coelho , V. P. Goncalves , D. E. Martins , M. S. Rangel

We perform a feasibility study to search for axion-like particles (ALPs) using vector boson fusion (VBF) processes at the LHC. We work in an effective field theory framework with cutoff scale $\Lambda$ and ALP mass $m_{a}$, and assume that…

High Energy Physics - Phenomenology · Physics 2021-05-12 Andrés Flórez , Alfredo Gurrola , Will Johns , Paul Sheldon , Elijah Sheridan , Kuver Sinha , Brandon Soubasis

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

Opportunities for searches for axion-like particles (ALPs) coupling to photons in $\mathrm{e}^+\mathrm{e}^-$ collisions at the Future Circular Collider (FCC-ee) and International Linear Collider (ILC) are investigated. We perform a study of…

High Energy Physics - Experiment · Physics 2024-03-28 Patricia Rebello Teles , David d'Enterria , Victor P. Gonçalves , Daniel E. Martins

Axion-like particles (ALPs), which are gauge-singlets under the Standard Model (SM), appear in many well-motivated extensions of the SM. Describing the interactions of ALPs with SM fields by means of an effective Lagrangian, we discuss ALP…

High Energy Physics - Phenomenology · Physics 2018-01-17 Martin Bauer , Matthias Neubert , Andrea Thamm

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

We give an overview of collider searches for Axion-like particles (ALPs). The intention of this review is to give a pedagogical introduction to collider phenomenology of ALPs, and provide a starting point for newcomers, including suitable…

High Energy Physics - Phenomenology · Physics 2025-08-28 Anke Biekötter , Ken Mimasu

Axion-like particles (ALPs) are pseudo Nambu-Goldstone bosons associated with spontaneously broken global symmetries emerging in many extensions of the Standard Model. Assuming the most general effective Lagrangian up to dimension-5…

High Energy Physics - Phenomenology · Physics 2020-12-08 Gholamhossein Haghighat , Daruosh Haji Raissi , Mojtaba Mohammadi Najafabadi
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