Probing deviations from tri-bimaximal mixing through ultra high energy neutrino signals

Abstract

We investigate deviation from the tri-bimaximal mixing in the case of ultra high energy neutrino using ICECUBE detector. We consider the ratio of No. of muon tracks to the shower generated due to eletrons and hadrons. Our analysis shows for tri-bimaximal mixing the ratio comes out around 4.05. Keeping ${\theta }_{1}2$ and ${\theta }_{2}3$ fixed at tri-bimaximal value, we have varied the angle ${\theta }_{13}$ = $3^o$, $6^o$, $9^o$ and the value of the ratio gradually decreases. The variation of ratio lies 8% to 18% from the tri-bimaximal mixing value.

arXiv comment17 pages, 4 Postscript figures added, discussion added, Version to appear in Phys. Rev. D

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