articlePhysical Review LettersJul 8, 2013BRONZE OA

First Observation of PeV-Energy Neutrinos with IceCube

The University of Adelaide · University of Wisconsin–Madison · +40 more institutions

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Abstract

We report on the observation of two neutrino-induced events which have an estimated deposited energy in the IceCube detector of $1.04\ifmmode\pm\else\textpm\fi{}0.16$ and $1.14\ifmmode\pm\else\textpm\fi{}0.17\text{ }\text{ }\mathrm{PeV}$, respectively, the highest neutrino energies observed so far. These events are consistent with fully contained particle showers induced by neutral-current ${\ensuremath{\nu}}_{e,\ensuremath{\mu},\ensuremath{\tau}}$ (${\overline{\ensuremath{\nu}}}_{e,\ensuremath{\mu},\ensuremath{\tau}}$) or charged-current ${\ensuremath{\nu}}_{e}$ (${\overline{\ensuremath{\nu}}}_{e}$) interactions within the IceCube detector. The events were discovered in a search for ultrahigh energy neutrinos…

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283

Topics & keywords

Keywords
  • Physics
  • Neutrino
  • Flux (metallurgy)
  • Neutrino detector
  • Detector
  • Energy (signal processing)
  • Nuclear physics
  • Solar neutrino
UN Sustainable Development Goals
  • Affordable and clean energy
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