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For Immediate Release BIRNS Selected for IceCube Project A neutrino telescope must be huge, transparent, dark, and far below the surface to shield it from cosmic rays. Neutrino astrophysicists are using the 3Km-thick Antarctic ice cap because it is exceptionally clear and almost completely free of radioactivity. Light from passing muons can travel hundreds of meters through the ice, while 1.5Km below the surface the ice is otherwise completely dark. Astrophysicists have buried >700 sensors deep in the Antarctic ice cap to watch for the faint flashes of light produced by the passage of high energy subatomic particles. These sensors comprise AMANDA, a new generation of high energy neutrino telescope, which searches for energetic neutrino emissions from other galaxies as well as supernova explosions within our own galaxy.
IceCube is a 1 Km3 international high-energy neutrino observatory being built and installed in the clear deep ice below the South Pole Station. It will open unexplored bands for astronomy, including the PeV (1015 eV) energy region, and may provide insights into gamma ray bursts, the particle nature of dark matter, and help discover supersymmetric particles and topological defects created in grand unified phase transitions in the early universe.
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