press release #37
SEVAN Network expanding to India Jawaharlal Nehru University
The network of particle detectors located at middle to low latitudes, SEVAN (SpaceEnvironmental Viewing and Analysis Network) aims to improve fundamental researches of the particle acceleration in the vicinity of the sun and the space environments. The new type of particle detectors will simultaneously measure changing fluxes of most species of secondary cosmic rays, thus turninginto a powerful integrated device used for the exploration of solar modulationeffects. The first four SEVAN modules operated at the Aragats Space Environmental Center in Armenia, on the slopes of mountain Aragats. In 2009 we deployed SEVAN units in Croatiaand Bulgaria.In the fall of 2010 we launched SEVAN unit in Remote Sensing Applications Laboratory, School of Environmental Sciences, Jawaharlal Nehru University, New Delhi, India. We plan to send SEVAN unitto Slovakiain 2011. Ground based particle detectors measure time series of secondary particles born in cascades which originate in the atmosphere caused by the protons and stripped ions accelerated in Galaxy and in the vicinity of the Sun. The networks of particledetectors can predict upcoming space storms tens of minutes before the arrivalof energetic protons from the Sun andhours before the arrival of huge clouds of plasma, ejected by the sun andtraveling in the interplanetary space with speed up to 2000 km/sec. Reliable forecasts of the major geomagnetic and radiation storms are of great import ance because of the failures of the major space and earth surface-based technologiesas well as for posing radiation hazard on the crew and passengers of satellites,aircraft, on the Global Positioning System (GPS) and other radio-based communication technologies.
Figure1.The CRD experts (from left to right) Karen Arakelyan, David Pokhsraryan andnew SEVAN host Prof. JNU Saumitra Mukherjee
last 10 press releases:
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- The prime minister visited the National Scientific laboratory after A. I.Alikhanyan
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