Prospects for identifying the sources of the Galactic cosmic rays with IceCube

Details Prospects for identifying the sources of the Galactic cosmic rays with IceCube Prospects for identifying the sources of the Galactic cosmic rays with IceCube

2008-03-03

arxiv.org/abs/0803.0314v2

Phys.Rev.D78:063004,2008

Astronomy and Astrophysics

Astrophysics

5 pages, 5 figures; part of the text and some figures have changed, conclusions remain the same; equals journal version

Scientific paper

10.1103/PhysRevD.78.063004

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 Galactic cosmic rays. The photon flux from candidate sources identified by the Milagro detector in a survey of the TeV sky is consistent with the flux expected from a typical cosmic-ray generating supernova remnant interacting with the interstellar medium. We show here that IceCube can provide incontrovertible evidence of cosmic-ray acceleration in these sources by detecting neutrinos. We find that the signal is optimally identified by specializing to events with energies above 30 TeV where the atmospheric neutrino background is low. We conclude that evidence for a correlation between the Milagro and IceCube sky maps should be conclusive after several years.

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