Reacceleration of pairs in compact sources

Details Reacceleration of pairs in compact sources Reacceleration of pairs in compact sources

Nov 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989esasp.296..813g&link_type=abstract

In ESA, The 23rd ESLAB Symposium on Two Topics in X Ray Astronomy. Volume 2: AGN and the X Ray Background p 813-817 (SEE N90-258

Astronomy and Astrophysics

Astronomy

Active Galactic Nuclei, Electron-Positron Pairs, Particle Acceleration, Stellar Models, Background Radiation, Gamma Ray Spectra, Relativistic Velocity, X Ray Sources

Scientific paper

Models of compact sources in which cold particles are continuously reaccelerated at relativistic energies are investigated. These models yield the break at few MeV that is required to explain the slope of the gamma-ray background. At X-ray energies the predicted spectra are flatter than that observed for a typical active galactic nuclei (AGN). The problem of the accumulation of cold particles inside a compact source is examined and it is concluded that reacceleration is not an adequate solution.

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