MG14 - Talk detail

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An unambiguous identification of the emitting neutrino sources of the high-energy cosmic neutrino flux reported by IceCube requires km3 neutrino telescopes with a large sky coverage and good angular resolution. The KM3NeT Collaboration aims at building a cubic kilometre scale neutrino telescope in the depths of the Mediterranean Sea. The detector technology has been validated with prototypes operating at a depth of 2500m and 3500m. The modular nature of the detector allows for a staged implementation with increasing size. KM3NeT phase-1, made of 32 structures with an instrumented volume of 0.1 km3 , has been funded and will be deployed off-shore Capo Passero-Italy (KM3NeT-It) by 2016. Following this phase, a project called KM3NeT 2.0 has been proposed with an upgraded physics program including the measure of the neutrino mass hierarchy off-shore Toulon (ORCA). KM3NeT/ARCA, the extension of the phase-1 detector to 1-2 km3 , will be dedicated to high-energy neutrino astronomy, allowing the almost full survey of the neutrino sky including the region of the galactic centre. The characteristics of sea water allow to measure the neutrino direction with very good angular resolution also for cascade events. The KM3NeT/ARCA sensitivity will allow to detect the flux measured by IceCube within less than one year of observation, while within about four years of observation KM3NeT/ARCA could give indications at 3-sigma level on some candidate galactic point-like sources.

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