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Ultra-high energy cosmic neutrinos

H. Athar

hep-pharXiv:hep-ph/0008121

Abstract

Several cosmologically distant astrophysical sources may produce ultra-high energy cosmic neutrinos (E > 106 GeV) of all flavors above the atmospheric neutrino background. I study the effects of vacuum neutrino flavor mixing on this cosmic neutrino flux. Prospects for observations of these ultra-high energy cosmic neutrinos in large underwater/ice neutrino telescopes are also briefly discussed.

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