Ultra-high-energy photons from active galactic nuclei - Theory

Details Ultra-high-energy photons from active galactic nuclei - Theory Ultra-high-energy photons from active galactic nuclei - Theory

Jan 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989apj...336..593s&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 336, Jan. 15, 1989, p. 593-600.

Astronomy and Astrophysics

Astronomy

9

Active Galactic Nuclei, Photons, Relativistic Particles, Accretion Disks, Gamma Ray Astronomy, Interstellar Magnetic Fields, Particle Acceleration, Relic Radiation, Synchrotron Radiation

Scientific paper

First-order Fermi acceleration in collisionless shocks is supposed to operate in the central regions of AGN, initiating processes which ultimately result in ultrahigh energy (UHE) photons. This paper analyzes the formation of the UHE photon spectrum inside the central source. The escape probability of the UHE photons, the energy spectra of created electron-positron pairs, and their synchrotron radiation in the external region are calculated.

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