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KM3NeT Neutrino telescope in the Mediterranean Sea

Shore station. GPS rec. laser. l 1..n. clck-sc-cal. Logics. Clock cal. apd. l 2. ½ns. ~16 x. data. Clock. apd. Optical module. l n+1. CPUs. GbE Copper. c. serdes. PMT. 1 .. 16 x. Power. l 1> l 2. c. PMT. data. Power. ~30 x. l 1+ l 2. l n+ l n+1. KM3NeT

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KM3NeT Neutrino telescope in the Mediterranean Sea

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  1. Shore station GPS rec. laser l1..n clck-sc-cal. Logics Clock cal apd l2 ½ns ~16 x data Clock apd Optical module ln+1 CPUs GbE Copper c serdes PMT 1 .. 16 x Power l1>l2 c PMT data Power ~30 x l1+l2 ln+ln+1 KM3NeT Neutrino telescope in the Mediterranean Sea 1. neutrino converts into a muon 2. muon gives light in the sea water 3. light is detected by photo sensors KM3NeT KM3NeT telescope cosmic neutrino cosmic neutrino Earth cosmic neutrino 1. neutrino from cosmic source 2. travels through the Earth 3. converts into a muon particle 4. which is detected by the telescope Optical Module: high pressure glass sphere with 32 PMTs Room for electronics Photonic chip 300 lines, each with 25 glass spheres i.e. ~100.000 PMTs in KM3NeT Off-shore, at 3000-5000 m depth On-shore 20-100 km fiber

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