Search for extraterrestrial point sources of neutrinos with AMANDA-II

Details Search for extraterrestrial point sources of neutrinos with AMANDA-II Search for extraterrestrial point sources of neutrinos with AMANDA-II

2003-09-22

arxiv.org/abs/astro-ph/0309585v1

Phys.Rev.Lett.92:071102,2004

Astronomy and Astrophysics

Astrophysics

5 pages, 5 figures, 1 table, submitted to PRL

Scientific paper

10.1103/PhysRevLett.92.071102

We present the results of a search for point sources of high energy neutrinos in the northern hemisphere using AMANDA-II data collected in the year 2000. Included are flux limits on several AGN blazars, microquasars, magnetars and other candidate neutrino sources. A search for excesses above a random background of cosmic-ray-induced atmospheric neutrinos and misreconstructed downgoing cosmic-ray muons reveals no statistically significant neutrino point sources. We show that AMANDA-II has achieved the sensitivity required to probe known TeV gamma-ray sources such as the blazar Markarian 501 in its 1997 flaring state at a level where neutrino and gamma-ray fluxes are equal.

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