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25 April 2024

» arxiv » 1308.0910

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The Tunka Radio Extension (Tunka-Rex): Status and First Results (ICRC 2013)
F. G. Schröder ; N. M. Budnev ; O. A. Gress ; A. Haungs ; R. Hiller ; T. Huege ; Y. Kazarina ; M. Kleifges ; A. Konstantinov ; E. N. Konstantinov ; E. E. Korosteleva ; D. Kostunin ; O. Krömer ; L. A. Kuzmichev ; R. R. Mirgazov ; L. Pankov ; V. V. Prosin ; G. I. Rubtsov ; C. Rühle ; E. Svetnitsky ; R. Wischnewski ; A. Zagorodnikov ;
Date:	5 Aug 2013
Abstract:	Tunka-Rex is a new radio antenna array which extends the Tunka experiment in Siberia close to lake Baikal. It consists of 20 antennas on an area of 1 km^2 which measure the radio emission of high-energy air showers. Tunka-Rex is triggered by the photomultiplier array of Tunka measuring air-Cherenkov light of air showers in the energy range from about 10 PeV to 1 EeV. This configuration allows for the worldwide first hybrid measurements of the radio and air-Cherenkov signal for the same events: an ideal situation to perform a cross-calibration between both methods. Consequently, the main goal of Tunka-Rex is to determine the achievable energy and Xmax precision of radio measurements by comparing them to the reconstruction of the air-Cherenkov measurements. Tunka-Rex started operation in autumn 2012, and already detected air-shower events. In this paper we present the status of Tunka-Rex and first results which indicate that Tunka-Rex measures indeed the radio emission by air showers and that is is sensitive to their energy.
Source:	arXiv, 1308.0910
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