Giant underwater neutrino detector installed on Baikal

This detector - "Baikal-GVD" - was immersed to a depth of approximately 750 to 1300 meters in about four

kilometers from the coast, cutting a rectangularhole in the ice. The underwater detector consists of strings to which modules made of spherical glass and stainless steel are attached. The development was created by scientists from the Czech Republic, Germany, Poland, Russia and Slovakia.

“Of course, Baikal is the only lake onwhich can accommodate a neutrino telescope due to its depth. Fresh water is also important and its purity is also important. And the fact that the ice cover lasts two to two and a half months is also very important.”

Bair Shoibonov, Joint Institute for Nuclear Research.

Every second across an area of ​​one squarea centimeter passes about 6⋅1010 neutrinos. But the influence of neutrinos at the moment is practically not felt and not detected. It is easier to detect neutrinos in water.

“The neutrino telescope, half a cubic meter in size, is located right under our feet. In a few years, the telescope will be expanded to one cubic kilometer.”

Dmitry Naumov, Joint Institute for Nuclear Research

Russian neutrino detector the second of its kindgiant neutrino observatory. The first - the American one - is called Ice Cube and is located at the research station of this country at the South Pole. But the Russian version will be more. At the moment, it is the largest observatory in the Northern Hemisphere, also located in the largest lake in the world.

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