Are There EHE Signals?

Details Are There EHE Signals? Are There EHE Signals?

Mar 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007jphcs..60...14y&link_type=abstract

Journal of Physics: Conference Series, Volume 60, Issue 1, pp. 14-19 (2007).

Physics

Scientific paper

The controversial results of the cosmic ray energy spectrum at extremely-high energies (EHE) can be interpreted from the same source model(s) by taking into account rather large statistical and systematic errors of the present measurements. In addition we might have considered too simple pictures on possible EHE cosmic ray sources. Taking into account possible range of the extragalactic magnetic field configuration in clusters of galaxies, the source distribution in space, and primary particle emission intensities at each source leads to non-unique solutions of energy spectrum at earth, which makes it more difficult to resolve the long-standing mysteries on generation mechanism and sites that can produce a particle of such high energies. An alternative and complementary approach to study their origin is to explore EHE universe by penetrating neutral charge particles - neutrinos. What we can learn from measurements of EHE cosmic neutrinos are discussed. We finally present a detection possibility by the IceCube neutrino observatory.

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