English
Related papers

Related papers: Pre-supernova Ultra-light Axion-like Particles

200 papers

We revise gamma-ray limits on axion-like particles (ALPs) emitted from supernova SN1987A based on Solar Maximum Mission data. We improve and simplify the computation of the expected gamma-ray signal from ALP decays, while also extending it…

High Energy Physics - Phenomenology · Physics 2023-03-29 Sebastian Hoof , Lena Schulz

The growing interest in axion-like particles (ALPs) stems from the fact that they provide successful theoretical explanations of physics phenomena, from the anomaly of the CP-symmetry conservation in strong interactions to the observation…

High Energy Astrophysical Phenomena · Physics 2021-06-08 Ivana Batković , Alessandro De Angelis , Michele Doro , Marina Manganaro

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

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

Axion Like Particles (ALPs) with a sub-keV range mass are searched by using the light-shining-through-a-wall technique. A novel system is developed in which injected X rays are converted and reconverted by the Laue-case conversion within a…

High Energy Physics - Experiment · Physics 2018-06-26 T. Yamaji , K. Tamasaku , T. Namba , T. Yamazaki , Y. Seino

Axion-like particles (ALPs) have been searched for with a quasi-parallel stimulated resonant photon-photon collider sensitive to the sub-eV mass range by focusing two-color near-infrared pulse lasers into a vacuum. In this work, we have…

We have studied the signals from axion-like particles (ALPs) as dark matter mediators from celestial objects such as neutron stars, brown dwarfs or white dwarfs. We consider the accumulation of dark matter inside the celestial objects using…

High Energy Physics - Phenomenology · Physics 2024-10-25 Tanech Klangburam , Chakrit Pongkitivanichkul

Axion-like particles (ALPs) coupled to nucleons might be copiously emitted from a supernova (SN) core. We extend existing bounds on free-streaming ALPs to the case in which these are so strongly-interacting with the nuclear matter to be…

High Energy Physics - Phenomenology · Physics 2024-01-04 Alessandro Lella , Pierluca Carenza , Giampaolo Co' , Giuseppe Lucente , Maurizio Giannotti , Alessandro Mirizzi , Thomas Rauscher

It's generally believed that young and rapidly rotating pulsars are important sites of particle's acceleration, in which protons can be accelerated to relativistic energy above the polar cap region if the magnetic moment is antiparallel to…

High Energy Astrophysical Phenomena · Physics 2015-06-15 Zhi-Xiong Li , Gui-Fang Lin , Wei-Wei Na

We consider a muonphilic axion-like-particle (ALP), denoted as $a$, lighter than twice the muon mass. ALPs of this mass range dominantly decay into a pair of photons, induced by a triangular muon loop. Such light muonphilic ALPs are…

High Energy Physics - Phenomenology · Physics 2022-12-07 Kingman Cheung , Jui-Lin Kuo , Po-Yan Tseng , Zeren Simon Wang

High-energy neutrino observation from the Seyfert galaxy NGC 1068 offers new insights into the non-thermal processes of active galactic nuclei. Simultaneous gamma-rays emitted by such sources can possibly oscillate into axion-like particles…

High Energy Physics - Phenomenology · Physics 2025-06-18 Ariane Dekker , Gonzalo Herrera , Dimitrios Kantzas

Axion like particles (ALPs) are fundamental pseudo scalar particles with properties similar to Axions which are a well-known extension of the standard model to solve the strong CP problem in Quantum Chromodynamics. ALPs can oscillate into…

High Energy Astrophysical Phenomena · Physics 2017-10-30 Jhilik Majumdar , Francesca Calore , Dieter Horns

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

Photon-axion-like particle (ALP) oscillations result in the survival of gamma rays from distant sources above TeV energies. Studies of events observed by CAST, Fermi-LAT, and IACT have constrained the ALP parameters. We investigate the…

High Energy Astrophysical Phenomena · Physics 2023-11-28 Bhanu Prakash Pant , Sunanda , Reetanjali Moharana , Sarathykanan S

Assuming the existence of an axion-like particle (ALP), beams of relativistic particles emit fluxes of quasi-real ALPs, analogous to the photon fluxes described by Weizs\"acker-Williams-type approximations. Consequently, ALP-ALP and…

High Energy Physics - Phenomenology · Physics 2025-11-04 Sergio Barbosa , Matheus Coelho , Sylvain Fichet , Gustavo Gil da Silveira , Magno Machado

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

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

We propose a novel telescope concept based on Earth's gravitational lensing effect, optimized for the detection of distant dark matter sources, particularly axion-like particles (ALPs). When a unidirectional flux of dark matter passes…

Cosmology and Nongalactic Astrophysics · Physics 2025-11-03 Taiyo Nakamura , Kensuke Homma

Axion-Like Particles (ALPs) appear in several dark sector studies. They have gained increasing attention from the theoretical and experimental community. In this work, we propose the first search for ALPs to be conducted at the Brazilian…

High Energy Physics - Phenomenology · Physics 2023-05-24 L. Angel , P. Arias , C. O. Dib , A. S. de Jesus , S. Kuleshov , V. Kozhuharov , L. Lin , M. Lindner , F. S. Queiroz , R. C. Silva , Y. Villamizar

Axion-like particles (ALPs) are very light, neutral, spin zero bosons predicted by many theories which try to complete the standard model of elementary particles. ALPs interact primarily with two photons and can generate photon-ALP…

High Energy Astrophysical Phenomena · Physics 2023-02-09 Giorgio Galanti