HE2 - High Energy Astrophysical neutrinos detection |
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Speaker |
De Bonis, Giulia |
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Coauthors |
on behalf of the ANTARES Collaboration |
| Talk Title |
ANTARES Results in the Light of IceCube Discoveries |
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Abstract |
The ANTARES experiment has been running in its final configuration since 2008. It is the largest neutrino telescope in the Northern hemisphere. After the discovery of a cosmic neutrino diffuse flux by the IceCube detector, the search for its origin has become a key mission in high energy astrophysics. Particularly interesting is the indication (although not significant with the present IceCube statistics) of an excess of signal events from the Southern sky: this region is where the ANTARES detector is at its best for what concerns sensitivity and performance. Indeed, the ANTARES sensitivity is good enough to constrain the origin of a fraction of the IceCube excess from sources extended up to 0.2 sr in the Southern sky. Assuming different spectral indexes for the energy spectrum of neutrino emitters, the Southern sky and in particular central regions of our Galaxy are studied, searching for point-like objects, for extended regions of emission, and for signal from transient objects selected through multi-messenger observations. The results of the unblinded analyses will be presented. ANTARES has also carried out investigations on the atmospheric neutrinos, searches for rare particles (as magnetic monopoles and nuclearites in the cosmic radiation), indirect Dark Matter searches (with very competitive limits obtained), multi-messenger studies of the sky in combination with different experiments and results related to Earth and Sea science. |
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