The klein–nishina Effects in Blazar Jets |
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| Authors: | R Moderski M Sikora |
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| Institution: | (1) Copernicus Astronomical Center, Bartycka, Warszawa, Poland |
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| Abstract: | Blazars are the only (with one or two exceptions) extragalactic objects which were detected and identified at gamma-ray energies
so far. It is suspected that most of the unidentified gamma-ray sources may be the blazars as well. Because the entire electromagnetic
spectrum of these objects is dominated by non-thermal radiation from relativistically moving jets, the effects such as the
Klein–Nishina regime in the Compton scattering may play a major role in shaping some parts of the blazar spectrum. Within
the framework of external radiation Compton model, we present how these effect influence the spectra of blazars for which
the production of gamma rays is dominated by Comptonization of external radiation. |
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| Keywords: | galaxies: active galaxies: jets gamma rays: theory radiation mechanisms: non-thermal |
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