TeV Neutrinos in a dense medium
A. Nicolaidis, G. Tsirigoti, J. Hansson
Abstract
The dispersion relation of energetic (few TeV) neutrinos traversing a medium is studied. We use the real time formalism of thermal field theory and we include the effects from the propagator of the W gauge boson. We consider then the MSW oscillations for cosmic neutrinos traversing the Earth, adopting for the neutrino parameters values suggested by the LSND results. It is found that the νμ flux, for neutrinos passing through the center of the Earth, will appear reduced by 15% for energies around 10 TeV.
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