AMADEUS - The Acoustic Neutrino Detection Test System of the ANTARES Deep-Sea Neutrino Telescope
ANTARES collaboration: J. A. Aguilar, I. Al Samarai, A. Albert, M., Anghinolfi, G. Anton, S. Anvar, M. Ardid, A. C. Assis Jesus, T. Astraatmadja,, J.-J. Aubert, R. Auer, E. Barbarito, B. Baret, S. Basa, M. Bazzotti, V., Bertin, S. Biagi, C. Bigongiari, M. Bou-Cabo

TL;DR
AMADEUS is an integrated acoustic detection system within the ANTARES neutrino telescope, designed to study deep-sea acoustic signals and assess background noise for neutrino detection, demonstrating continuous operation and data processing capabilities.
Contribution
It introduces a novel integrated acoustic detection system in a deep-sea neutrino telescope, enabling extensive noise and signal studies for neutrino research.
Findings
Continuous operation of the acoustic system with 10 GB daily data
Successful detection and analysis of transient signals and ambient noise
Assessment of background conditions for neutrino-induced bipolar pulses
Abstract
The AMADEUS (ANTARES Modules for the Acoustic Detection Under the Sea) system which is described in this article aims at the investigation of techniques for acoustic detection of neutrinos in the deep sea. It is integrated into the ANTARES neutrino telescope in the Mediterranean Sea. Its acoustic sensors, installed at water depths between 2050 and 2300 m, employ piezo-electric elements for the broad-band recording of signals with frequencies ranging up to 125 kHz. The typical sensitivity of the sensors is around -145 dB re 1V/muPa (including preamplifier). Completed in May 2008, AMADEUS consists of six "acoustic clusters", each comprising six acoustic sensors that are arranged at distances of roughly 1 m from each other. Two vertical mechanical structures (so-called lines) of the ANTARES detector host three acoustic clusters each. Spacings between the clusters range from 14.5 to 340 m.…
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