AAS 199th meeting, Washington, DC, January 2002
Session 68. AGN
Oral, Tuesday, January 8, 2002, 10:00-11:30am, International Ballroom West

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[68.07] Neutrinos from Blazars and the Differences between FRI and FRII Radio Galaxies

C.D. Dermer (Naval Research Laboratory), A. Atoyan (Universite de Montreal), M. Boettcher (Rice University)

Nonthermal proton acceleration in galaxy jets produce neutrinos through photomeson production. Sources with intense surrounding fields should be strong neutrino sources. Neutrons and high-energy photons formed through photomeson processes will transport inner jet energy far from the black hole engine to power distant jets, hot spots and lobes, as observed at X-ray energies with Chandra. This effect may account for differences between the FRI and FRII classes of radio galaxies that display distinct morphologies.


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