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UNIVERSITY OF BUCHAREST
FACULTY OF PHYSICS Guest
2024-11-23 18:19 |
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Conference: Bucharest University Faculty of Physics 2017 Meeting
Section: Atmosphere and Earth Science; Environment Protection
Title:
The clouds influence on the VHE gamma-ray and cosmic-ray detection
Authors:
Aurelian Andrei RADU (1)
Affiliation:
1) Institute of Space Science, 409 Atomistilor Street, Magurele, Ilfov County, ROMANIA
E-mail
aurelian.radu@spacescience.ro
Keywords:
clouds, gamma rays, cosmic rays
Abstract:
The Earth is hit by very high energy (VHE) elementary particles, atomic nuclei and electromagnetic radiation arriving from space. The higher the energy, the lower the flux. Their direct detection using space-born equipment, at these energies, is impossible. A number of ground-based and space-borne experiments try to detect these cosmic particles indirectly through the UV radiation they generate in the terrestrial atmosphere. Clear air atmospheric models have been developed and they have been integrated in large software frameworks used to simulate the UV propagation through the atmosphere. However, the real atmosphere is neither clear nor clean. Dust, sand, soot and water in the vapor, liquid or solid phase alter the atmospheric properties. In this context, we will pay a particular attention to the negative and/or positive influence the clouds have on the VHE cosmic ray and gamma ray indirect detection.
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