High energy neutrino cross sections
Abstract
The theoretical status of the neutrino-nucleon cross section is reviewed for incident neutrino energies up to Enu=1012 GeV, including different approaches to high energy extrapolations. Nonstandard model physics may play a role at ultrahigh energies. The cases of mini-black hole production and electroweak instanton contributions are discussed as examples in the context of ultrahigh energy neutrino scattering.
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