Acceleration of 108 GeV protons in high temperature-high density plasmas in Active Galactic Nuclei

Astronomy and Astrophysics – Astronomy

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Active Galactic Nuclei, High Temperature Plasmas, Supernovae, Supernova Remnants, Protons, Starburst Galaxies, Star Formation, Galactic Cosmic Rays, Particle Acceleration, Plasma Density, Astronomical Models, Massive Stars, Three Dimensional Models

Scientific paper

Observational evidences point to a high rate of supernova explosions in the central region of Active Galactic Nuclei (AGN). Terlevich et al. (1992) showed that many of the characteristics of the broad line regions in AGN can be explained by the rapid cooling of the corresponding supernova remnants expanding in this hot, high density (n approximately equals 107) ambient medium. We applied the code developed by Medina Tanco and Opher (1993) for galactic cosmic rays acceleration/propagation to simulate numerically (3D) the sequential acceleration of protons interacting with such remnants. It is shown that particles with energies as high as 108 GeV, can be obtained under reasonable assumptions.

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