Particle acceleration in double radio sources

Details Particle acceleration in double radio sources Particle acceleration in double radio sources

Nov 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979aipc...56..399l&link_type=abstract

In: Particle acceleration mechanisms in astrophysics; Proceedings of the Workshop, La Jolla, Calif., January 3-5, 1979. (A80-532

Astronomy and Astrophysics

Astronomy

27

Black Holes (Astronomy), Cosmic Rays, Extragalactic Radio Sources, Particle Acceleration, Dynamo Theory, Electromagnetic Radiation, Electron Beams, Gamma Ray Astronomy, Particle Production, Positrons, Relativistic Particles, Synchrotron Radiation

Scientific paper

A study is presented of a model extragalactic double radio sources in which the magnetized accretion disk of a massive black hole behaves as an electric dynamo producing oppositely directed beams of relativistic particles. It was shown that an empty region of small angular size (a vorticle core) possibly results from the hydrodynamics of accretion of gas with angular momentum. The acceleration of electrons in the dynamo electric field produces oppositely directed electron beams which in turn generate synchrotron gamma rays and low-energy core. An electromagnetic cascade shower leads to a collimated relativistic electron-positron beam; the beam is eventually stopped and spread out in a pitch angle by the ram pressure of the external medium.

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