Characterisation and testing of the KM3NeT acoustic positioning system
1 Istituto Nazionale di Fisica Nucleare, Laboratori Nazionali del Sud
2 Istituto Nazionale di Fisica Nucleare, Sezione di Roma
3 Instituto de Investigación para la Gestión Integrada de las Zonas Costeras, Universitat Politècnica de València, Gandia, Spain
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Published online: 11 April 2016
In underwater neutrino telescopes, the search of point-like sources through the Cherenkov detection technique requires a precise knowledge of the positions of thousands of optical sensors, spread in a volume of a few cubic kilometres. In KM3NeT the optical sensors are hosted in 700 m high semi-rigid structures, called detection units, which move under the effects of underwater currents. These movements are continuously monitored through an underwater positioning system based on acoustic emitters and receivers. In this work, the tests performed on the key elements of the positioning system are presented.
© Owned by the authors, published by EDP Sciences, 2016
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