Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2005-06-17
Phys.Rev.D72:065019,2005
Physics
High Energy Physics
High Energy Physics - Phenomenology
11 pages revtex, 4 .eps figures
Scientific paper
10.1103/PhysRevD.72.065019
Neutrino oscillations can be affected by decoherence induced e.g. by Planck scale suppressed interactions with the space-time foam predicted in some approaches to quantum gravity. We study the prospects for observing such effects at IceCube, using the likely flux of TeV antineutrinos from the Cygnus spiral arm. We formulate the statistical analysis for evaluating the sensitivity to quantum decoherence in the presence of the background from atmospheric neutrinos, as well as from plausible cosmic neutrino sources. We demonstrate that IceCube will improve the sensitivity to decoherence effects of ${\cal O}(E^2/M_{\rm Pl})$ by 17 orders of magnitude over present limits and, moreover, that it can probe decoherence effects of ${\cal O}(E^3/M_{\rm Pl}^2)$ which are well beyond the reach of other experiments.
Anchordoqui Luis A.
Goldberg Haim
Gonzalez-Garcia M. C.
Halzen Francis
Hooper Dan
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