Abstract
KM3NeT is a Megaton-scale neutrino telescope currently under construction at the bottom of the Mediterranean Sea. When completed, it will consist of two separate detectors: ARCA (Astroparticle Research with Cosmics in the Abyss), optimised for high-energy neutrino astronomy, and ORCA (Oscillation Research with Cosmics in the Abyss) for neutrino oscillation studies of atmospheric neutrinos. The main goal of ORCA is the determination of the neutrino mass ordering (NMO). Nevertheless it is possible to exploit ORCA’s configuration to make other important measurements, such as sterile neutrinos, non standard interactions, tau-neutrino appearance, neutrinos from Supernovae, Dark Matter and Earth Tomography studies. Part of these analyses are summarized here.
Highlights
Open issues in neutrino oscillations include the neutrino mass ordering, leptonic CP violation, and the θ23 octant
KM3NeT is a Megaton-scale neutrino telescope currently under construction at the bottom of the Mediterranean Sea. It will consist of two separate detectors: ARCA (Astroparticle Research with Cosmics in the Abyss), optimised for high-energy neutrino astronomy, and ORCA (Oscillation Research with Cosmics in the Abyss) for neutrino oscillation studies of atmospheric neutrinos
Upon completion ORCA will consist of 120 flexible detection units (DUs), each of which comprises 18 Digital Optical Modules (DOMs)
Summary
Open issues in neutrino oscillations include the neutrino mass ordering, leptonic CP violation, and the θ23 octant. In order to measure it, the KM3NeT Collaboration is building a dense, deep-sea detector, ORCA (Oscillation Research with Cosmics in the Abyss), sensitive to atmospheric neutrino oscillations [1]. ORCA is located 40 km offshore Toulon (France), at a depth of 2450 m, and about 10 km west of the site of the ANTARES neutrino telescope that is currenty operational [1]. Upon completion ORCA will consist of 120 flexible detection units (DUs), each of which comprises 18 Digital Optical Modules (DOMs). A DOM is a pressure resistant, 17” glass sphere containing a total of 31 3” Photomultiplier Tubes (PMTs) and their associated electronics. The vertical spacing between DOMs is 9 m and the DUs are located about 23 m from each other on the seafloor.
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