Physics
Scientific paper
Apr 1998
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998jphg...24..883u&link_type=abstract
Journal of Physics G: Nuclear and Particle Physics, Volume 24, Issue 4, pp. 883-897 (1998).
Physics
7
Scientific paper
In order to better utilize the information contained in the shower images generated by imaging Cherenkov telescopes (IACTs) equipped with cameras with small pixels, images are fitted to a parametrization of image shapes gained from Monte Carlo simulations, treating the shower direction, impact point, and energy as free parameters. Monte Carlo studies were carried out for stereoscopic shower images obtained with a system of IACTs. An improvement of order 1.5 in the angular resolution and in the determination of the core position is predicted. The fitting technique can also be applied to single-telescope images. Simulations indicate that the shower direction in space can be reconstructed event-by-event with a resolution of 0.16-0954-3899/24/4/016/img1. Data from Crab observations with a single HEGRA telescope confirm this prediction.
Daum A.
Hermann Geoffroy
Hofmann Werner
Ulrich Marc
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