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Detecting Axion-Like Particles With Gamma Ray Telescopes

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arxiv 0706.3203 v2 pith:MV5LL6Z3 submitted 2007-06-21 hep-ph astro-ph

Detecting Axion-Like Particles With Gamma Ray Telescopes

classification hep-ph astro-ph
keywords gammaalpsastrophysicalaxion-likeparticlesrangetelescopesaccelerators
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We propose that axion-like particles (ALPs) with a two-photon vertex, consistent with all astrophysical and laboratory bounds, may lead to a detectable signature in the spectra of high-energy gamma ray sources. This occurs as a result of gamma rays being converted into ALPs in the magnetic fields of efficient astrophysical accelerators according to the "Hillas criterion", such as jets of active galactic nuclei or hot spots of radio galaxies. The discovery of such an effect is possible by GLAST in the 1-100 GeV range and by ground based gamma ray telescopes in the TeV range.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score.

  1. Weakly supervised machine learning for model-agnostic searches of new phenomena in the $\gamma$-ray sky

    astro-ph.HE 2026-07 conditional novelty 5.0

    Weakly supervised classifiers trained on background-versus-mixture samples can identify anomalous gamma-ray sources without labeled signal templates, approaching supervised performance in controlled benchmarks.

  2. Dimming of Photon Ring due to Photon-Axion Conversion around Kerr Black Holes

    gr-qc 2026-05 unverdicted novelty 5.0

    Photon-axion conversion near Kerr black holes produces dimming of photon spectral luminosity that increases with black hole spin, magnetic field strength, and photon-axion coupling, most efficiently at high frequencies.