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T: Fachverband Teilchenphysik

T 100: Kosmische Strahlung 2

T 100.6: Talk

Tuesday, February 28, 2012, 18:05–18:20, ZHG 006

Towards improving the reconstruction quality for air showers detected with the AERA array — •Gabriel Toma — National Institute for Physics and Nuclear Engineering - Horia Hulubei, Str. Reactorului no.30, P.O.BOX MG-6, Bucharest - Magurele, ROMANIA — Karlsruher Institut für Technologie (KIT), Karlsruhe, Germany

We present a study on simulated air showers with relevance for the AERA experiment at the Pierre Auger Observatory. Investigating the radio component of air showers requires good knowledge of the geometrical properties of the shower, like for example the position of the shower core and the arrival direction of the shower. At the Pierre Auger Observatory the geometrical observables of the detected events are reconstructed with the help of the FD and SD components (the Infill array playing the major role in the shower core reconstruction for AERA). We investigate the possibility to increase the quality of the shower core reconstruction by increasing the density of surface detectors in an area close the the position of the radio antennas. From the technical point of view, extending the surface array by adding new SD stations to the Infill is not a straight forward job so simulation studies can be used to test various configurations for the additional stations. We present the effects induced on the reconstruction quality, for several geometrical configurations.