Recent Results in Gamma Ray Astronomy with IACTs
Very high energy particles interact with Earth’s atmosphere (28 radiation length of thickness) producing the so-called extensive air showers. Energetic particles in the showers generate Cherenkov radiation, which can be collected by an optical reflector and focused on a camera of photo-multipliers. In such a way the atmosphere and the telescope (reflector + camera) work as an imaging calorimeter.
KeywordsBlack Hole Galactic Center Galactic Plane High Energy Particle Dark Matter Annihilation
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