In live days during 2010–2012, events exceeded the expected atmospheric events. Energy, direction and topology supported an extraterrestrial component. Combined searches gave with additional benchmark charm background; uncertain charm production affected significance. No source clustering was established.[ref]
A diffuse excess and an identified source answer different questions. The first compares populations against a background hypothesis; the second needs an association in direction, perhaps also in time.
Escaping muons or neutrinos can make deposited energy smaller than incoming neutrino energy.[ref]

Ancestors (6)

  1. IceCube Neutrino Observatory
  2. Cherenkov detector
  3. Particle detector
  4. Particle detection
  5. Physics
  6. Home

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