Imporoving reconstrucion methods for radio measurements with Tunka-Rex
Bezyazeekov, P. A. · Budnev, N. M. · Fedorov, O. · Gress, O. A. · Haungs, A. · Hiller, R. · Huege, T. · Kazarina, Y. · Kleifges, M. · Korosteleva, E. E. · Kostunin, D. · Kromer, O. · Kungel, V. · Kuzmichev, L. A. · Lenok, V. · Lubsandorzhiev, N. · Marshalkina, T. N. · Mirgazov, R. R. · Monkhoev, R. · Osipova, E. A. · Pakhorukov, A. · Pankov, L. · Prosin, V. V. · Schroeder, F. G. · Zagorodnikov, A.
Original · EN
Tunka-Rex is detector for radio emission produced by cosmic-ray air-showers located in Siberia, triggered by Tunka-133, a co-located air-Cherenkov detector during night, and by a scintillator array Tunka-Grande during day. Tunka-Rex demonstrates that the radio technique can provide a cost-effective extension of existing air-shower arrays. Operating in the frequency range of 30-80 MHz, Tunka-Rex is limited by the galactic background, and suffers from the local radio interferences. We investigate the possibilities of the improving of measured data using different approaches, particularly, the multivariate background suppression is considered, as well as improved likelihood fit of the lateral distribution of amplitudes.
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