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Related papers: Accelerating the search for Axion-Like Particles w…

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We consider the search for axion-like particles (ALPs) by using time series data of the polarization angle of the light. If the condensation of an ALP plays the role of dark matter, the polarization plane of the light oscillates as a…

Cosmology and Nongalactic Astrophysics · Physics 2020-02-19 So Chigusa , Takeo Moroi , Kazunori Nakayama

Gamma-ray photons can convert into axion-like particles (ALPs) and vice versa when interacting with astrophysical magnetic fields. The conversions of ALPs may have important implications for astrophysics since they would imprint…

High Energy Astrophysical Phenomena · Physics 2013-05-02 Miguel A. Sanchez-Conde , Stefan Funk , Frank Krennrich , Amanda Weinstein

Axions and axion-like-particles (ALPs) are characterised by their two-photon coupling, which entails so-called photon-ALP oscillations as photons propagate through a magnetic field. These oscillations lead to distinctive signatures in the…

High Energy Physics - Phenomenology · Physics 2023-12-11 M. Kachelriess , J. Tjemsland

We present a novel approach to investigating axions and axion-like particles (ALPs) by studying their potential conversion into X-rays within the Sun's atmospheric magnetic field. Utilizing high-sensitivity data from the Nuclear…

Burrage, Davis, and Shaw recently suggested exploiting the correlations between high and low energy luminosities of astrophysical objects to probe possible mixing between photons and axion-like particles (ALP) in magnetic field regions.…

Cosmology and Nongalactic Astrophysics · Physics 2014-11-21 Guido Walter Pettinari , Robert Crittenden

We derive updated cosmological bounds on light axion-like particles (ALPs) coupled to leptons or photons, using a full phase-space treatment of their production from the primordial thermal plasma. The ALP phase-space distribution, obtained…

Cosmology and Nongalactic Astrophysics · Physics 2026-02-12 Nicola Barbieri , Luca Caloni , Martina Gerbino , Massimiliano Lattanzi , Luca Visinelli

Reactor neutrino experiments provide a rich environment for the study of axionlike particles (ALPs). Using the intense photon flux produced in the nuclear reactor core, these experiments have the potential to probe ALPs with masses below 10…

High Energy Physics - Phenomenology · Physics 2020-11-05 D. Aristizabal Sierra , V. De Romeri , L. J. Flores , D. K. Papoulias

Machine learning (ML) is a rapidly growing area of research in the field of particle physics, with a vast array of applications at the CERN LHC. ML has changed the way particle physicists conduct searches and measurements as a versatile…

High Energy Physics - Experiment · Physics 2024-10-01 Javier M. Duarte

We update the globular cluster bound on massive ($m_a$ up to a few 100 keV) axion-like particles (ALP) interacting with photons. The production of such particles in the stellar core is dominated by the Primakoff $\gamma + Ze\to Ze +a$ and…

High Energy Physics - Phenomenology · Physics 2020-09-04 Pierluca Carenza , Oscar Straniero , Babette Döbrich , Maurizio Giannotti , Giuseppe Lucente , Alessandro Mirizzi

Axion-like particles (ALPs) are hypothetical pseudoscalar bosons, natural in extensions of the Standard Model. Their interactions with ordinary matter and radiation are suppressed, making it challenging to detect them in laboratory…

High Energy Physics - Phenomenology · Physics 2025-03-27 S. V. Troitsky

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 cumulative emission of Axion-Like Particles (ALPs) from all past core-collapse supernovae (SNe) would lead to a diffuse flux with energies ${\mathcal O}(50)$ MeV. We use this to constrain ALPs featuring couplings to photons and to…

High Energy Physics - Phenomenology · Physics 2020-12-03 Francesca Calore , Pierluca Carenza , Maurizio Giannotti , Joerg Jaeckel , Alessandro Mirizzi

In this paper, we explore the interactions between light axion-like particles (ALPs) and top quarks, gluons, and W-bosons. Utilizing high-energy probes at the LHC, we probe these couplings in the context of single top quark production…

High Energy Physics - Phenomenology · Physics 2024-10-25 Yasaman Hosseini , Mojtaba Mohammadi Najafabadi

The Sun is a well-studied astrophysical source of axion-like particles (ALPs), produced mainly through the Primakoff process. Moreover, in the Sun there exist large-scale magnetic fields that catalyze an additional ALP production via a…

High Energy Physics - Phenomenology · Physics 2021-01-01 Ersilia Guarini , Pierluca Carenza , Javier Galan , Maurizio Giannotti , Alessandro Mirizzi

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

In this work, we have explored a practical extension of the conventional light-shining-through-walls technique by making direct use of the high-intensity $\gamma$-ray beam available at a $\gamma$-$\gamma$ collider. The energetic and highly…

High Energy Physics - Phenomenology · Physics 2025-12-18 Zi-Yao Yan , Jie Feng

New pseudoscalars, axion-like particles (ALPs), provide the exciting target for present and future collider-based experiments. Search for ALPs is performed in this paper via the $W^{+}W^{-}$ fusion process…

High Energy Physics - Phenomenology · Physics 2023-12-08 Chong-Xing Yue , Han Wang , Yue-Qi Wang

Extensions of the Standard Model of particles commonly predict the existence of axion(-like) particles (ALPs) that could be detected through their coupling to photons in external magnetic fields. This coupling could lead to modifications of…

High Energy Astrophysical Phenomena · Physics 2014-12-11 M. Meyer , J. Conrad

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

The PVLAS signal has led to the proposal of many experiments searching for light bosons coupled to photons. The coupling strength probed by these near future searches is, however, far from the allowed region, if astrophysical bounds apply.…

High Energy Physics - Phenomenology · Physics 2008-11-26 J. Jaeckel , E. Masso , J. Redondo , A. Ringwald , F. Takahashi