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Laboratory of Astroparticle Physics

Invited researcher Razmik Mirzoyan
Contract number
Time span of the project

As of 30.01.2020

Number of staff members
scientific publications
Objects of intellectual property
General information

Name of the project: Multi TeV energy gamma astronomy and formation of galactic gamma rays

Strategy for Scientific and Technological Development Priority Level: а, ж

Goals and objectives

Research directions: Astroparticle physics, gamma and neutrino astronomy, high energy cosmic ray physics, Earth sciences

Project objective: Study of fundamental problems of astroparticle physics and gamma astronomy

The practical value of the study

  • We have developed several dozens of new methods of research of super high-energy cosmic rays and gamma radiation by registering of Cherenkov and radio-frequency radiation from air showers as well as the charged component of air showers. These methods have been implemented into measurement processes, processing and analysis of data obtained in the Tunka astrophysical collective usage center.
  • Large volume of experimental data on has been accumulated concerning cosmic rays, gamma radiation of the Crab nebula and the Tycho Brahe supernova in the super-high energy region, on many transient sources with catastrophic energy emission etc.
  • We have reconstructed energy and mass compositions of cosmic rays in the range between 0,1 and 1000 PeV with high accuracy, studied the process of formation of gamma splashes and genesis of kilonovas after mergers of neutron stars, made new evaluations of mass and energy of ejected shell and determined the scenario of formation of flashes of bright red nova etc. These results have been published in 133 scientific journals indexed by the «Web of Science» and «Scopus» databases including such highly ranked journals as «Nature», «The Astrophysical Journal», «Physics Letters B» and others.
  • The Laboratory has completed the first stage of construction of the TAIGA gamma observatory with the highest sensitivity among similar devices for research of natural flows and sources of super high-energy gamma quanta and cosmic rays in the energy range between 0.1 and 100 PeV.

Implemented results of research:

  • We have designed and launched the first modern Russian atmospheric Cherenkov telescope of the «TAIGA-IACT» device with the diameter of the mirror of 4,3 meters and a camera based on 547 photomultiplier tubes registering air shower images.
  • The Laboratory has designed low-threshold Cherenkov optical stations for the TAIGA-HiSCORE facility.
  • The Laboratory has developed and tested specialized muon counters for the «TAIGA-Muon» device in a natural environment.
  • The «Tunka-Grande» device based on 390 scintillation counters has been designed and launched in the data accumulation mode.
  • We have created «Tunka-Rex», a new device to study cosmic rays by registering radio emissions from air showers.

Education and career development:

  • 6 candidate dissertations have been defended.
  • The Laboratory has organized internships at leading scientific centers of Russia and the world for 12 postgraduates and students working at the Laboratory.
  • We have provided occupational retraining at the Laboratory to 20 young young researchers from other organizations.
  • Three monographs have been published: «The phenomenon of activity complexes on the Sun», «Satellite decameter radio probing of ionospheric inhomogeneities», «Mathematical modeling of characteristics of signal in an excited information channel». 
  • 23 courses have been developed and launched into the educational process, among them are: «High energy astrophysics», «Neutrino astrophysics», «Radio zoning of inhomogeneous media», «Solar System physics», «Experimental methods in heliophysics», «External influence on functioning of electronic systems», «Spectral problems of space radiophysics».
  • 7 textbooks have been compiled, including: «Optical methods of observation of astrophysics», «Computer modeling of physical processes», «Molecular physics and thermal dynamics».

Organizational and structural changes: On the basis of the Laboratory, the Tunka astrophysical collective usage center with the unique facility «Astrophysical complex of MSU-ISU for research of super high energy cosmic rays and transient phenomena in near and far space».

Other results:

  • The Laboratory significantly contributes to creation of «Baikal-GVD» deep sea neutrino telescope and performs a wide range of international research projects in the water environment of the Baikal Lake, in the crustal lithosphere, the atmosphere and the ionosphere.
  • The Laboratory conducted «The Lake Baikal Three Messenger Conference» in 2016. 
  • Six scientific schools have been conducted: «International Scientific Baikal Summer School on Physics of Elementary Particles and Astrophysics (2014 – 2017), «Baikal School of Fundamental Physics» (2015 and 2017).


  • University of Turin (Italy), University of Hamburg (Germany), Max Planck Institute (Germany), Institute of Space Science (Romania), International intergovernmental research organization «Joint Institute for Nuclear Research», Moscow Engineering Physics Institute - MEPhI (Russia), G. I. Budker Institute of Nuclear Physics of the Siberian Branch of the Russian Academy of Sciences, Novosibirsk State University (Russia), Institute for Nuclear Research of the Russian Academy of Sciences, N. V. Pushkov Institute of Terrestrial Magnetism, Ionosphere, and Radio Wave Propagation of the Russian Academy of Sciences, Altai State University (Russia): joint research
  • Institute of Technologies (Germany), Germany Electron Synchrotron Center - DESY (Germany), Moscow State University (Russia), D. V. Skobeltsyn Institute of Nuclear Physics (Russia): joint research, student exchange

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Abbotte B.P. et al
A Gravitational-Wave Standard Siren of the Hubble constant. Nature 551(7678): 85–88 (2017).
Budnev N. et al.
The TAIGA Experiment: From Cosmic-ray to Gamma-ray Astronomy in the Tunka Valley. Nuclear Instruments and Methods in Physics Research A 845: 330–333 (2017).
Gress O. et al.
The Wide-Aperture Gamma-ray Telescope TAIGA-HiSCORE in the Tunka Valley: Design, Composition and Commissioning. Nuclear Instruments and Methods in Physics Research A 845: 367–372 (2017).
Apel W. D. et al.
A Comparison of the Cosmic-Ray Energy Scales of Tunka-133 and KASCADE-Grande Via Their Radio Extensions Tunka-Rex and LOPES. Physics Letters B 763: 179–185 (2016).
Bezyazeekov P.A. et al.
Radio Measurements of the Energy and the Depth of the Shower Maximum of Cosmic-Ray Air Showers by Tunka-Rex. Journal of Cosmology and Astroparticle Physics 2016(1): 52 (2016).
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