Design considerations and sensitivity estimates for an acoustic neutrino detector

Details Design considerations and sensitivity estimates for an acoustic neutrino detector Design considerations and sensitivity estimates for an acoustic neutrino detector

2005-09-15

arxiv.org/abs/astro-ph/0509445v1

Int.J.Mod.Phys.A21S1:212-216,2006

Astronomy and Astrophysics

Astrophysics

5 pages, 3 figures, to appear in the proceedings of the 1st International ARENA Workshop, May 17-19, 2005, DESY Zeuthen

Scientific paper

10.1142/S0217751X06033647

We present a Monte Carlo study of an underwater neutrino telescope based on the detection of acoustic signals generated by neutrino induced cascades. This provides a promising approach to instrument large detector volumes needed to detect the small flux of cosmic neutrinos at ultra-high energies (E > 1 EeV). Acoustic signals are calculated based on the thermo-acoustic model. The signal is propagated to the sensors taking frequency dependent attenuation into account, and detected using a threshold trigger, where acoustic background is included as an effective detection threshold. A simple reconstruction algorithm allows for the determination of the cascade direction and energy. Various detector setups are compared regarding their effective volumes. Sensitivity estimates for the diffuse neutrino flux are presented.

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