Ultra high energy $\nu_\tau$ detection using Cosmic Ray Tau Neutrino Telescope used in fluorescence/Cerenkov light detection

detection using Cosmic Ray Tau Neutrino Telescope (CRTNT) based on air shower fluorescence/Cerenkov light detector techniques. This approach requires an interaction of a

\nu_\tau

with material such as a mountain or the earth's crust.

\tau

lepton produced in the charged current interaction must escape from the earth and then decay and initiate a shower in the air. The probability for the conversion from

\nu_\tau

to air shower has been calculated for an energy range from 1 PeV to 10 EeV. An air shower simulation program has been developed using the simulation package Corsika. The trigger efficiency has been estimated for a CRTNT detector similar to the HiRes/Dice detector in the shadow of Mt. Wheeler in Nevada, USA. A rate of about 8 triggered events per year is expected for the AGN neutrino source model with an optimized configuration and duty cycle of the detector.

Note:

19 pages, 5 figures, submitted to J. Phys. G:

neutrino: cosmic radiation
cosmic radiation: particle source
neutrino/tau: particle identification
neutrino nucleus: interaction
charged current
tau: semileptonic decay
showers: air
counters and detectors: fluorescence
Cherenkov counter
trigger

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Ultra high energy ντ\nu_\tauντ​ detection using Cosmic Ray Tau Neutrino Telescope used in fluorescence/Cerenkov light detection

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Ultra high energy $\nu_\tau$ detection using Cosmic Ray Tau Neutrino Telescope used in fluorescence/Cerenkov light detection