Aragats Cosmic Ray Research Station
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| Coordinates | 40°28′17″N 44°10′55″E / 40.4713°N 44.1819°ECoordinates: 40°28′17″N 44°10′55″E / 40.4713°N 44.1819°E Fatal error: The format of the coordinate could not be determined. Parsing failed. |
| Altitude | 3,200 metres (10,500 ft) |
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The Aragats Cosmic Ray Research Station was founded in 1943 by Artem and Abraham Alikhanians, during World War II, to study cosmic rays and particle physics. It is located on Mount Aragats in Armenia, at an elevation of 3200 meters, near Kari Lake.
History

Research on cosmic rays at Aragats started with a 1934 study by the Leningrad Physical-Technical Institute.[1], focusing on how cosmic rays differ from East to West. Norair Kocharian from Yerevan State University later contributed to this research. These early findings led Artem and Abraham Alikhanian to set up a more detailed study in 1942. The station has been operational with minimal interruption since its establishment.[2].
Since its establishment, the Aragats station has made contributions to studying cosmic rays[3] including the fields of High-Energy Particle Physics, Astrophysics, and Space Weather.
In its early stages, the station used mass spectrometry[4] to study the properties of charged particles, contributed to by the Alikhanyan brothers. This work, which took about 15 years, helped improve methods for analyzing masses and identifying cosmic ray protons. The idea of 'varitrons,' proposed during this time, sparked global discussions in the science community about elementary particles, although not all findings were confirmed. This discussion helped establish Aragats as a location for cosmic ray research[5].
The period from 1958 to 1970
From 1958 to 1970, progress was made in cosmic ray research through calorimetric methods. Naum Grigorov and his team, working with the Yerevan Physics Institute, installed an ionization calorimeter, leading to research into hadron-nuclei interactions[6]. Subsequent experiments like PION and MUON used advanced detectors and early computers for data gathering and analysis, marking a period of change in cosmic ray study.
1980s
In the 1980s, the ANI experiment was planned to analyze Extensive Air Showers (EASs) using large detectors to study a wide range of cosmic ray types and energies[7]. However, the dissolution of the USSR posed challenges to its full execution. Despite these obstacles, the MAKET-ANI and GAMMA projects published research in high-energy cosmic ray research[8].
Aragats Space Environmental Center (ASEC)

In 2000, the Aragats Space Environmental Center (ASEC)[9] was established, enhancing research in solar physics and space weather. ASEC employs neutron monitors and scintillation detectors to track cosmic ray fluxes and create early warning systems for solar energetic particle events. With the launch of the SEVAN detector network[10] in 2007, the station improved its detection capabilities for particle acceleration and movement in the solar corona and interplanetary space.
The network's initial setups were in Croatia, Bulgaria, and India. Expansion continued with the installation of SEVAN detectors in Croatia, Slovakia, Germany (Hamburg and Berlin), Czech Republic, and atop Zugspitze in 2023.[11]
The Aragats station continues scientific research and educational initiatives.[12]
References
- ↑ Logachev, Yu I.; Lazutin, L. L.; Kudela, K. (2013-02-13). "Cosmic Ray Investigation in the Stratosphere and Space: Results from Instruments on Russian Satellites and Balloons". Advances in Astronomy. 2013: e461717. Bibcode:2013AdAst2013E...6L. doi:10.1155/2013/461717. ISSN 1687-7969.
- ↑ "'We're above civilisation': life in a cosmic ray station – photo essay". The Guardian. 2020-02-07. ISSN 0261-3077. Retrieved 2024-04-09.
- ↑ MassisPost (2023-01-03). "New Discoveries of Aragats Physicists • MassisPost". MassisPost. Retrieved 2024-04-09.
- ↑ "Alikhanian–Alikhanov spectrometer", Wikipedia, 2022-04-05, retrieved 2024-04-09
- ↑ Chilingarian, A. A.; Mirzoyan, R. G.; Zazyan, M. Z. (2009-09-01). "Cosmic Ray research in Armenia". Journal of Contemporary Physics (Armenian Academy of Sciences). 44 (5): 219–230. Bibcode:2009JConP..44..219C. doi:10.3103/S106833720905003X. ISSN 1687-7969.
- ↑ Harvey, Brian; Zakutnyaya, Olga (2011-05-04). Russian Space Probes: Scientific Discoveries and Future Missions. Springer Science & Business Media. ISBN 978-1-4419-8150-9. Search this book on
- ↑ Arzumanian, S. A.; Chilingarian, A. A.; Eganov, V. S.; Garyaka, A. P.; Ivanov, V. A.; Mamidjanian, E. A.; Martirosov, R. M.; Nikolskaya, N. M.; Nikolsky, S. I.; Procureur, J.; Romakhin, V. A.; Satin, A. K.; Stamenov, J. N.; Subbotin, B. V.; Tukish, E. I. (1995). "1995ICRC....1..482A Page A482". International Cosmic Ray Conference. 1: 482. Bibcode:1995ICRC....1..482A. Retrieved 2024-04-10.
- ↑ Chilingarian, A.; Gharagyozyan, G.; Hovsepyan, G.; Ghazaryan, S.; Melkumyan, L.; Vardanyan, A. (2004-03-01). "Light and Heavy Cosmic-Ray Mass Group Energy Spectra as Measured by the MAKET-ANI Detector". The Astrophysical Journal. 603 (1): L29–L32. Bibcode:2004ApJ...603L..29C. doi:10.1086/383086. ISSN 0004-637X.
- ↑ "Aragats Space Environmental Center(ASEC) - Cosmic Ray Division". crd.yerphi.am. Retrieved 2024-04-10.
- ↑ "Space Environmental Viewing and Analysis Network - Cosmic Ray Division". www.crd.yerphi.am. Retrieved 2024-04-10.
- ↑ "/ AANL SCIENTISTS INSTALLED SEVAN DETECTOR ON ZUGSPITZE IN BAVARIAN ALPS ON 18 APRIL". www.aanl.am. Retrieved 2024-04-10.
- ↑ Chilingarian, A.; Bostanjyan, N. (September 2009). "Cosmic ray intensity increases detected by Aragats Space Environmental Center monitors during the 23rd solar activity cycle in correlation with geomagnetic storms". Journal of Geophysical Research: Space Physics. 114 (A9). Bibcode:2009JGRA..114.9107C. doi:10.1029/2009JA014346. ISSN 0148-0227.
External Links
- Official website
- A. Alikhanyan National Laboratory (YerPhI)
- https://www.theguardian.com/science/2020/feb/07/cosmic-ray-research-station-mount-aragats-photo-essay
- https://www.rferl.org/a/armenia-mountaintop-research-facility-that-was-once-weapons-development-lab/30391548.html
- https://www.thetimes.co.uk/article/inside-the-armenian-ghost-town-with-a-population-of-three-tzgn6nzn7
- http://www.crdfriends.org/
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