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Searches for Point Sources of High Energy Cosmic Neutrino with the ANTARES Telescope

Abstract : The ANTARES observatory is currently the largest neutrino telescope in the Northern Hemisphere. It is well suited to detect high energy neutrinos produced in astrophysical sources as it can observe a full hemisphere of the sky at all the times with a high duty cycle and an angular resolution about 0.4 degrees. Due to its location in the South of France, ANTARES is sensitive to up-going neutrinos from many potential galactic sources in the TeV to PeV energy regime. Results from a time-integrated unbinned method as well as the sensitivity of the detector using 2007-2010 data are presented. Moreover, using a time-dependant search for the transient sources, the background rejection and point-source sensitivity can be drastically improved by selecting a narrow time window around the assumed neutrino production period. The gamma-ray light curves of blazars measured by the LAT instrument on-board the Fermi satellite reveal important time variability information. A strong correlation between the gamma-ray and the neutrino fluxes is expected in a hadronic scenario. First results on the search for ten bright and variable Fermi sources with the 2008 ANTARES data are also presented.
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http://hal.in2p3.fr/in2p3-00742261
Contributor : Danielle Cristofol <>
Submitted on : Tuesday, October 16, 2012 - 12:07:35 PM
Last modification on : Thursday, January 18, 2018 - 2:21:05 AM

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  • HAL Id : in2p3-00742261, version 1

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D. Dornic. Searches for Point Sources of High Energy Cosmic Neutrino with the ANTARES Telescope. 2011 Europhysics Conference on High Energy Physics, Jun 2011, Grenoble, France. ⟨in2p3-00742261⟩

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