Dzhelepov Laboratory of Nuclear Problems

Date and Time: Wednesday, 22 April 2020, at 11:00 AM

Venue: Online conference in Zoom

Seminar topic: “Baikal-GVD, the Deep-Underwater Neutrino Experiment, on the Way to High-Energy Neutrino Astrophysics”

Speaker: B. A. Shaibonov

Abstract:

The discovery of high-energy astrophysical neutrinos in 2013 marked the birth of a new field of knowledge, high-energy neutrino astrophysics. To date, the IceCube experiment has recorded more than 100 high-energy astrophysical neutrinos, as well as the first neutrino associated with a specific astrophysical source at the level of 3 sigma.

For effective detection of neutrinos from all over the celestial sphere, the creation of a gigaton-scale neutrino telescope in the Northern Hemisphere is required. Since 2015, the second-generation Baikal-GVD neutrino telescope has actively been built on Lake Baikal. In 2020, two more clusters were installed, which increased the number of strings of optical modules in the telescope to 56 and allowed expanding the telescope instrumental volume to more than 0.2 km³.

In the introduction, the most noticeable research results on the IceCube, ANTARES and KM3NeT telescopes will be discussed. The main part of the report is devoted to the presentation of the Baikal-GVD data processing, analysis methods and latest results.

(On the occasion of being elected for the position of a senior researcher)