The central engine of quasars and active galactic nuclei Hadronic interactions of shock-accelerated relativistic protons

Details The central engine of quasars and active galactic nuclei Hadronic interactions of shock-accelerated relativistic protons The central engine of quasars and active galactic nuclei Hadronic interactions of shock-accelerated relativistic protons

May 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986apj...304..178k&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 304, May 1, 1986, p. 178-187.

Astronomy and Astrophysics

Astrophysics

125

Active Galactic Nuclei, Astrophysics, Particle Interactions, Quasars, Electron-Positron Pairs, Hadrons, Neutrinos, Particle Collisions, Relativistic Particles, Stellar Models

Scientific paper

The detailed dynamics are presented of a model for AGNs and QSOs based on spherically symmetric accretion onto a black hole and dissipation of the accretion energy in a collisionless shock. The basic assumptions and equations relevant for the model are presented, and the relations between the physical parameters are given in terms of the shock parameters. The latter are calculated for varying Mach numbers, and the resulting scaling laws are discussed and compared to the data, in particular the recently discovered correlations between luminosity and mass. The model can naturally produce ultrarelativistic electrons with flat spectra, a feature which, when coupled with e(+)-e(-) pair production, can account for the observed continuum radiation from these objects over essentially the whole electromagnetic spectrum. The model also predicts the emission of high-energy neutrinos with a luminosity roughly equal to that of the photons.

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