Photon-axion mixing and ultra-high-energy cosmic rays from BL Lac type objects -- Shining light through the Universe
High Energy Astrophysical Phenomena
2020-04-20 v3 High Energy Physics - Phenomenology
Abstract
Photons may convert into axion like particles and back in the magnetic field of various astrophysical objects, including active galaxies, clusters of galaxies, intergalactic space and the Milky Way. This is a potential explanation for the candidate neutral ultra-high-energy (E>10^18 eV) particles from distant BL Lac type objects which have been observed by the High Resolution Fly's Eye experiment. Axions of the same mass and coupling may explain also TeV photons detected from distant blazars.
Keywords
Cite
@article{arxiv.0901.4085,
title = {Photon-axion mixing and ultra-high-energy cosmic rays from BL Lac type objects -- Shining light through the Universe},
author = {Malcolm Fairbairn and Timur Rashba and Sergey Troitsky},
journal= {arXiv preprint arXiv:0901.4085},
year = {2020}
}
Comments
Revtex 10 pages, 6 figures. V.2: QED dispersion effects taken into account; principal results unchanged. V3: misprints and sqrt(4*pi) factors in Gauss to eV conversion corrected; conclusions unchanged