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Search for a diffuse flux of high-energy neutrinos with the NT200 neutrino telescope | | R. Wischnewski
; for the Baikal Collaboration
; | | Date: |
29 Jul 2005 | | Subject: | astro-ph | | Abstract: | We present the results of a search for high energy extraterrestrial neutrinos with the Baikal underwater Cherenkov detector NT200, based on data taken in 1998 - 2002 (1038 live days).Upper limits on the diffuse fluxes of
u_e+
u_{mu}+
u_{ au}, predicted by several models of AGN-like neutrino sources, are derived. For an E^{-2} behavior of the neutrino spectrum, our limit is E^2 Phi_{
u}(E)<8.1 10^{-7} cm^{-2} s^{-1} sr^{-1} GeV over a neutrino energy range 2 10^4 - 5 10^7 GeV covering 90% of expected events. The upper limit on the resonant ar{
u}_e diffuse flux is Phi_{ar{
u}_e} < 3.3 10^{-20} cm^{-2}s^{-1}sr^{-1}GeV^{-1}. | | Source: | arXiv, astro-ph/0507712 | | Services: | Forum | Review | PDF | Favorites | |
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