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UHE and EHE neutrino induced taus inside the Earth
Authors:S Bottai  S Giurgola
Institution:

Dipartimento di Fisica, University of Florence and INFN Sezione di Firenze, via G. Sansone 1, I-50019, Sesto F.no (FI), Italy

Abstract:Tau neutrinos interacting inside the Earth produce τ leptons which thereafter can decay inside the atmosphere. The propagation of extremely energetic ντ’s and τ’s through the Earth is studied by means of a detailed Monte Carlo simulation, taking into account all major mechanisms of ντ interactions and τ energy loss as well as decay modes. The rates of τ’s emerging from the Earth are determined as a function of τ’s energy for several cosmic neutrino models.
Keywords:High energy neutrinos  Tau neutrino  High energy cosmic rays
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