20-27 July 2011
Alpes Congrès - Alpexpo
Europe/Paris timezone

Searches for point sources of high energy cosmic neutrino with the ANTARES telescope

21 Jul 2011, 09:30
Berlioz (Alpes Congrès - Alpexpo)


Alpes Congrès - Alpexpo

Parallel session talk Astroparticle Physics Astroparticle Physics


damien dornic (IFIC)


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 duty cycle close to unity and an angular resolution about 0.3 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 2007-2008 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 nine bright and variable Fermi sources are also presented.

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