Prospects for detecting high-energy neutrinos from Blazars

Details Prospects for detecting high-energy neutrinos from Blazars Prospects for detecting high-energy neutrinos from Blazars

Aug 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001icrc....3.1149d&link_type=abstract

Proceedings of the 27th International Cosmic Ray Conference. 07-15 August, 2001. Hamburg, Germany. Under the auspices of the Int

Physics

Scientific paper

The measured spectral energy distribution and variability time scale are used to determine the radiation and magneticfield energy densities in the relativistic plasma that forms the gamma-ray emitting jet in the blazar 3C 279. Assuming that protons are accelerated as efficiently as electrons to a maximum energy determined by the size and magnetic field of the emitting region, we calculate the emissivity of neutrinos produced by protons that interact with the external radiation field intercepted by the jet. The external radiation field provides the most important target photons for photomeson production of high-energy neutrinos in flat spectrum radio quasars (FSRQs). Because of photomeson interactions with this field, km2 neutrino telescopes are predicted to detect > ˜ 0.1-1 neutrinos per year from blazars such as 3C 279. BL Lac objects are weaker neutrino sources if, as widely thought, their γ-ray emission is due to Compton-scattered synchrotron (SSC) radiation.

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