Apatity, Russian Federation
Apatity, Russian Federation
Apatity, Russian Federation
Apatity, Russian Federation
The Polar Geophysical Institute has developed a complex facility for continuously monitoring various components of secondary cosmic rays. Gamma radiation during precipitation events has been found to increase the year round regardless of the season. A series of experiments has revealed that there is no precipitation pollution by any natural or artificial radionuclides. Radiation spectrum does not have any characteristic lines of elements. We propose a mechanism providing a satisfactory description for this phenomenon.
Gamma radiation, precipitation, increase
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