Abstract:The technique of searching for astrophysical sources of TeV (10^^ eV) 7-rays using ground-based air Cherenkov telescopes is about 30 years old. The detection relies upon the extensive air shower created by the primary 7-ray. Alternating pair production and bremsstrahlung create thousands of electrons and positrons which deposit their energy in the atmosphere. The charged particle component is greatly diminished by the time the shower reaches mountain altitudes. What survives is the Cherenkov radiation from fas… Show more
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