ON the prospects of tau neutrino astronomy in gev energies and beyond

H. Athar, Fei Fan Lee, Guey Lin Lin

Research output: Contribution to conferencePaperpeer-review

Abstract

We point out the opportunity of tau neutrino astronomy for neutrino energies of the order of 10 GeV to 103 GeV. In this energy range, it is demonstrated that the flavor dependence in the background atmospheric neutrino flux leads to drastically different prospects between the observation of astrophysical muon neutrinos and that of astrophysical tau neutrinos. Taking the galactic-plane neutrino flux as a targeted astrophysical source, we found that the galactic-plane tau neutrino flux dominates over the atmospheric tau neutrino flux for neutrino energies beyond 10 GeV. Hence the galactic-plane can in principle be seen through tau neutrinos with energies greater than 10 GeV. In a sharp contrast, the galactic-plane muon neutrino flux is overwhelmed by its atmospheric background until the energy of 106 GeV.

Original languageEnglish
StatePublished - 2005
Event40th Rencontres de Moriond on Very High Energy Phenomena in the Universe, VHEPU 2005 - La Thuile, Italy
Duration: 12 Mar 200519 Mar 2005

Conference

Conference40th Rencontres de Moriond on Very High Energy Phenomena in the Universe, VHEPU 2005
CountryItaly
CityLa Thuile
Period12/03/0519/03/05

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