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IceCube Neutrino Observatory Detects Mysterious High-Energy Particles

May 19, 2013

By John Matson

Hot on the heels of detecting the two highest-energy neutrinos ever observed, scientists working with a mammoth particle detector buried in ice near the South Pole unveiled preliminary data showing that they also registered the signal of 26 additional high-energy neutrinos. The newfound neutrinos are somewhat less energetic than the two record-setters but nonetheless appear to carry more energy than would be expected if created by cosmic rays hitting the atmosphere?a prodigious source of neutrinos raining down on Earth. The particles thus may point to unknown energetic astrophysical processes huffingtonpost

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