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Closing in on the sources of Galactic and extragalactic cosmic rays
Francis Halzen
We speculate that a new generation of particle astrophysics instrumentation will reveal the enigmatic sources of cosmic rays prior to the one hundredth anniversary of their discove…
Prospects for identifying the sources of the Galactic cosmic rays with IceCube
Francis Halzen, Alexander Kappes, Aongus O'Murchadha
We quantitatively address whether IceCube, a kilometer-scale neutrino detector under construction at the South Pole, can observe neutrinos pointing back at the accelerators of the…
Neutrinos from Auger Sources
Francis Halzen, Aongus O'Murchadha
The Pierre Auger observatory has presented evidence that the arrival directions of cosmic rays with energies in excess of 6x10^7 TeV may be correlated with nearby active galactic n…
The Highest Energy Neutrinos
Francis Halzen
Measurements of the arrival directions of cosmic rays have not revealed their sources. High energy neutrino telescopes attempt to resolve the problem by detecting neutrinos whose d…
Neutrinos from Cosmic Ray Accelerators in the Cygnus Region of the Galaxy
Francis Halzen, Aongus O'Murchadha
While supernova remnants have been identified as the most likely sources of the galactic cosmic rays, no conclusive observational evidence for this association exists. We show here…
Cosmic Neutrinos from the Sources of Galactic and Extragalactic Cosmic Rays
Francis Halzen
Although kilometer-scale neutrino detectors such as IceCube are discovery instruments, their conceptual design is very much anchored to the observational fact that Nature produces…