KM3NeT

KM3NeT is a planned cubic-kilometer scale Cherenkov telescope situated in the deep Mediterranean Sea off the coast of Toulon, France. Its primary goal is to detect high-energy neutrinos originating from astrophysical sources such as active galactic nuclei and supernova remnants. The detector will consist of several thousand optical modules arranged on vertical strings, submerged at a depth of around 2,500 meters. These modules will house photomultiplier tubes sensitive to the faint Cherenkov light emitted by relativistic charged particles produced when neutrinos interact with seawater.

The KM3NeT observatory will be comprised of two main detectors: ARCA (Astroparticle Research with Cosmological Advanced Detectors) and ORCA (Oscillation research with Cosmicoscillation-research with Cosmicoscillation-research with Cosmicoscillation-research with Cosmicoscillation-research with Cosmicoscillation-research with Cosmicoscillation-research with Cosmicoscillation-research with Cosmicoscillation-research with Cosmicoscillation-research with Cosmicoscillation-research with Cosmicoscillation-research with Cosmicoscillation-research with Cosmicoscillation-research with Cosmicoscillation-research with Cosmicoscillation-research with Cosmicoscillation-research with Cosmicoscillation-research with Cosmicoscillation-research with Cosmicoscillation-research with Cosmicoscillation-research with Cosmicoscillation-research with Cosmicoscillation-research with Cosmicoscillation-research with Cosmicoscillation-research with Cosmicoscillation-research with Cosmicoscillation-research with 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The ARCA configuration is designed for high-energy neutrino detection, aiming to achieve a large effective volume for discovering point sources. The ORCA configuration, with its denser string spacing, is optimized for measuring the neutrino oscillation parameters, particularly the atmospheric neutrino mass splitting. KM3NeT is a collaborative project involving institutions from various European countries. It is designed to complement existing neutrino observatories like IceCube at the South Pole and is expected to significantly enhance our understanding of the high-energy neutrino sky and fundamental physics.