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3D-reconstruction of gamma-ray showers with a stereoscopic system

Abstract : We report on a new 3D-reconstruction of $\gamma$-ray showers which takes full advantage of the assets of a stereoscopic system of atmospheric Cherenkov telescopes and of the fine-grain imaging. The rich information collected by the cameras allows us to discriminate $\gamma$-ray showers and hadronic showers on the basis of two simple properties of electromagnetic showers : their rotational symmetry with respect to the axis and their relatively small lateral spread. The performance of the method is presented in terms of $\gamma$-ray efficiency, angular resolution and spectral resolution.
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Contributor : Dominique Girod <>
Submitted on : Monday, January 29, 2007 - 3:01:34 PM
Last modification on : Thursday, March 5, 2020 - 6:21:40 PM
Long-term archiving on: : Tuesday, April 6, 2010 - 10:49:09 PM


  • HAL Id : in2p3-00127358, version 1



M. Lemoine-Goumard. 3D-reconstruction of gamma-ray showers with a stereoscopic system. Towards a Network of Atmospheric Cherenkov Detectors VII, Apr 2005, Palaiseau, France. pp.173-182. ⟨in2p3-00127358⟩



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