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High Energy Physics - Phenomenology

arXiv:0706.3203 (hep-ph)
[Submitted on 21 Jun 2007 (v1), last revised 6 Dec 2007 (this version, v2)]

Title:Detecting Axion-Like Particles With Gamma Ray Telescopes

Authors:Dan Hooper, Pasquale D. Serpico
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Abstract: 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.
Comments: corrected typos, one plot modified, material rearranged for clarification. Conclusions unchanged. Matches version published in Phys. Rev. Lett
Subjects: High Energy Physics - Phenomenology (hep-ph); Astrophysics (astro-ph)
Report number: FERMILAB-PUB-07-190-A
Cite as: arXiv:0706.3203 [hep-ph]
  (or arXiv:0706.3203v2 [hep-ph] for this version)
  https://doi.org/10.48550/arXiv.0706.3203
Journal reference: Phys.Rev.Lett.99:231102,2007
Related DOI: https://doi.org/10.1103/PhysRevLett.99.231102

Submission history

From: Pasquale Dario Serpico [view email]
[v1] Thu, 21 Jun 2007 17:54:38 UTC (22 KB)
[v2] Thu, 6 Dec 2007 17:24:27 UTC (22 KB)
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