High Energy Neutrinos from the TeV Blazar 1ES 1959+650

Details High Energy Neutrinos from the TeV Blazar 1ES 1959+650 High Energy Neutrinos from the TeV Blazar 1ES 1959+650

2005-02-22

arxiv.org/abs/astro-ph/0502449v3

Astropart.Phys. 23 (2005) 537-542

Astronomy and Astrophysics

Astrophysics

9 pages, 2 figures

Scientific paper

10.1016/j.astropartphys.2005.03.

The AMANDA neutrino telescope has recently reported the detection of high-energy neutrinos spatially and temporally coincident with the flaring of the TeV blazar 1ES 1959+650. At present, the statistical significance of this observation cannot be reliably assessed, however. In this letter, we investigate whether circumstances exist where the source can produce the flux implied by the coincident events. We show that if the TeV gamma-ray emission observed from 1ES 1959+650 or other nearby TeV blazars is the result of accelerated protons interacting with nucleons, it is reasonable that AMANDA could detect several events during a flaring period. Such rates require that the spectral index of the source be rather high (for instance $\sim2.8$ for 1ES 1959+650) and that the Lorentz factor of the jet be fairly small ($\Gamma \sim 1$).

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