Model of large scale jet powered by very-high energy gamma rays

Details Model of large scale jet powered by very-high energy gamma rays Model of large scale jet powered by very-high energy gamma rays

Oct 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003newar..47..517s&link_type=abstract

New Astronomy Reviews, Volume 47, Issue 6-7, p. 517-519.

Astronomy and Astrophysics

Astronomy

Scientific paper

The radiative cooling of electrons responsible for the nonthermal synchrotron emission of large scale jets of radiogalaxies and quasars requires quasi continuous (in time and space) production of relativistic electrons throughout the jets over the scales exceeding 100 kpc. While in the standard paradigm of large scale jets this implies in situ acceleration of electrons, here we propose a principally different `non-acceleration' origin of these electrons, assuming that they are implemented all over the length of the jet through effective development of electromagnetic cascades initiated by extremely high energy γ-rays injected into the jet from the central object. This scenario provides a natural and very economic way to power the jets up to distances of 100 kpc and beyond [PhRvL 89 (2002) 051101].

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