Ultra High Energy Cosmic ray and gamma-ray signatures of inductive acceleration in AGN jets
Rachid Ouyed (University of Calgary, Calgary, Canada), Guenter Sigl, (AstroParticules et Cosmologie, Paris, France & Observatoire de Paris, Paris,, France), Maxim Lyutikov (Purdue University, West Lafayette, IN, USA)
TL;DR
This paper proposes that ultra-high-energy cosmic rays and gamma-ray signatures can originate from inductive acceleration in AGN jets, with proton synchrotron radiation producing detectable photon fluxes in the keV to MeV range.
Contribution
It introduces a novel mechanism linking inductive acceleration in AGN jets to observable high-energy cosmic ray and gamma-ray signatures.
Findings
Protons can be accelerated to ultra-high energies in AGN jets.
Proton synchrotron radiation can produce detectable photon fluxes.
Predicted photon energies range from hundreds of keV to tens of MeV.
Abstract
The highest energy cosmic rays could be produced by drifts in magnetized, cylindrically collimated, sheared jets of powerful active galaxies (i.e. FR II radiogalaxies; radio loud quasars and high power BL Lacs). We show that in such scenarios proton synchrotron radiation can give rise to detectable photon fluxes at energies ranging from hundreds of keV to tens of MeV.
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Taxonomy
TopicsAstrophysics and Cosmic Phenomena · Gamma-ray bursts and supernovae · Solar and Space Plasma Dynamics