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Evidence for High-Energy Extraterrestrial Neutrinos at the IceCube Detector
The presence of a high-energy neutrino flux containing the most energetic neutrinos ever observed is revealed, including 28 events at energies between 30 and 1200 TeV, although the origin of this flux is unknown and the findings are consistent with expectations for a neutRino population with origins outside the solar system. Expand
Search for dark matter annihilations in the sun with the 79-string IceCube detector.
A search for muon neutrinos from dark matter annihilation in the center of the Sun with the 79-string configuration of the IceCube neutrino telescope is performed, lowering the energy threshold and extending the search to the austral summer. Expand
First observation of PeV-energy neutrinos with IceCube.
These two neutrino-induced events could be a first indication of an astrophysical neutrinos flux; the moderate significance, however, does not permit a definitive conclusion at this time. Expand
Calibration and characterization of the IceCube photomultiplier tube
Over 5000 PMTs are being deployed at the South Pole to compose the IceCube neutrino observatory. Many are placed deep in the ice to detect Cherenkov light emitted by the products of high-energy… Expand
The design and performance of IceCube DeepCore
The IceCube neutrino observatory in operation at the South Pole, Antarctica, comprises three distinct components: a large buried array for ultrahigh energy neutrino detection, a surface air shower… Expand
IceCube sensitivity for low-energy neutrinos from nearby supernovae
This paper describes the response of the IceCube neutrino telescope located at the geographic south pole to outbursts of MeV neutrinos from the core collapse of nearby massive stars. IceCube was… Expand
Measurement of South Pole ice transparency with the IceCube LED calibration system
The IceCube Neutrino Observatory, approximately 1 km(3) in size, is now complete with 86 strings deployed in the Antarctic ice. IceCube detects the Cherenkov radiation emitted by charged particles… Expand
An absence of neutrinos associated with cosmic-ray acceleration in γ-ray bursts
An upper limit on the flux of energetic neutrinos associated with GRBs that is at least a factor of 3.7 below the predictions is reported, implying either that GRBs are not the only sources of cosmic rays with energies exceeding 1018 electronvolts or that the efficiency of neutrino production is much lower than has been predicted. Expand
Measurement of the atmospheric neutrino energy spectrum from 100 GeV to 400 TeV with IceCube
A measurement of the atmospheric muon neutrino energy spectrum from 100 GeV to 400 TeV was performed using a data sample of about 18 000 up-going atmospheric muon neutrino events in IceCube. Boosted… Expand
Limits on a muon flux from neutralino annihilations in the sun with the IceCube 22-string detector.
- R. Abbasi, Y. Abdou, +247 authors S. Yoshida
- Physics, Medicine
- Physical review letters
- 14 February 2009
Upper limits have been obtained on the annihilation rate of captured neutralinos in the Sun and converted to limits on the weakly interacting massive particle (WIMP) proton cross sections for WIMP masses in the range 250-5000 GeV. Expand