Cosmic particles began to be searched at a depth of 2,450 m

The press service of the National Center for Scientific Research (NCSR) spoke about a new underwater laboratory

Provence in the Mediterranean Sea (LSPM, TheLaboratoire Sous-marin Provence Méditerranée). It is located 40 km from the coast of Toulon, at a depth of 2 450 m. Scientists will explore unknown underwater objects while scanning the sky for neutrinos. These elementary particles of extraterrestrial origin cross space and even the Earth.

The search for neutrinos will be carried out with the helpa new national research platform managed by the National Research Center in collaboration with the Aix-Marseille University and the oceanographic company IFREMER.

The main LSPM tool is KM3NeT,giant neutrino detector. It was developed by a team of 250 researchers from 17 countries. In the abyss of the ocean, KM3NeT will study the traces of bluish light that neutrinos leave in the water. The detector is capable of finding dozens of such particles per day, and will help determine their quantum properties.

LSPM connection. Photo: Damien Dornic, CPPM, CNRS / PHOTOTHEQUE IN2P3

Other LSPM tools will allow scientificcommunity to study the life and chemistry of these depths. They will offer researchers information about ocean acidification, deep-sea deoxygenation, marine radioactivity and seismicity. They will also allow them to track cetacean populations and observe bioluminescent animals. This oceanographic instrument is integrated into the network of underwater observatories of the European research infrastructure of the European Multidisciplinary Seabed and Water Column Observatory.

LSPM is built on a series of titaniumdistribution boxes and intelligent systems. They are capable of powering multiple scientific instruments and receiving their data in real time via a 42 km long electro-optical cable. The base currently has three junction boxes, but in the future the number will increase to five when engineers add a second cable.

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Cover photo: Daya Bay Neutrino Experiment, Brookhaven National Laboratory