Tunka-Rex: A radio antenna array for the Tunka experiment

Schröder, F. G.; Korosteleva, E. E.; Svetnitsky, E.; Stockham, M.; Wischnewski, R.; Besson, D.; Gress, O. A.; Konstantinov, A.; Haungs, A.; Mirgazov, R. R.; Savinov, V.; Kuzmichev, L. A.; Stockham, J.; Zagorodnikov, A.; Kazarina, Y.; Kleifges, M.; Budnev, N. M.; Rühle, C.; Pankov, A.; Kostunin, D.; Hiller, R.; Rubtsov, G. I.; Krömer, O.; Prosin, V. V.

doi:10.1063/1.4807531

Journal Article/Report/Contribution to a conference proceedings

DESY-2014-01044

Tunka-Rex: A radio antenna array for the Tunka experiment

Schröder, F. G. (Corresponding author) ; Besson, D. ; Budnev, N. M. ; Gress, O. A. ; Haungs, A. ; Hiller, R. ; Kazarina, Y. ; Kleifges, M. ; Konstantinov, A. ; Korosteleva, E. E. ; Kostunin, D. ; Krömer, O. ; Kuzmichev, L. A. ; Mirgazov, R. R. ; Pankov, A.Extern* ; Prosin, V. V. ; Rubtsov, G. I. ; Rühle, C. ; Savinov, V. ; Stockham, J. ; Stockham, M. ; Svetnitsky, E. ; Wischnewski, R.DESY* ; Zagorodnikov, A.

2013
Inst. Melville, NY

5TH INTERNATIONAL WORKSHOP ON ACOUSTIC AND RADIO EEV NEUTRINO DETECTION ACTIVITIES: ARENA 2012, Erlangen, Germany, AIP conference proceedings 1535, 111 (2013) [10.1063/1.4807531]

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Please use a persistent id in citations: doi:10.1063/1.4807531 doi:10.3204/DESY-2014-01044

Report No.: arXiv:1301.2555

Abstract: Tunka-Rex, the Tunka radio extension, is an array of 20 antennas at the Tunka experiment close to Lake Baikal in Siberia. It started operation on 08 October 2012. The antennas are connected directly to the data acquisition of the Tunka main detector, a 1km2 large array of 133 non-imaging photomultipliers observing the Cherenkov light of air showers in dark and clear nights. This allows to cross-calibrate the radio signal with the air-Cherenkov signal of the same air showers - in particular with respect to the energy and the atmospheric depth of the shower maximum, X max. Consequently, we can test whether in rural regions with low radio background the practically achievable radio precision comes close to the precision of the established fluorescence and air-Cherenkov techniques. At a mid-term perspective, due to its higher duty-cycle, Tunka-Rex can enhance the effective observing time of Tunka by an order of magnitude, at least in the interesting energy range above 100PeV. Moreover, Tunka-Rex is very cost-effective, e.g., by using economic Short Aperiodic Loaded Loop Antennas (SALLAs). Thus, the results of Tunka-Rex and the comparison to other sophisticated radio arrays will provide crucial input for future large-scale cosmic-ray observatories, for which measurement precision as well as costs per area have to be optimized. In this paper we shortly describe the Tunka-Rex setup and discuss the technical and scientific goals of Tunka-Rex.

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