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.
@article{arxiv.1308.0910,
title = {The Tunka Radio Extension (Tunka-Rex): Status and First Results (ICRC 2013)},
author = {F. G. Schröder and N. M. Budnev and O. A. Gress and A. Haungs and R. Hiller and T. Huege and Y. Kazarina and M. Kleifges and A. Konstantinov and E. N. Konstantinov and E. E. Korosteleva and D. Kostunin and O. Krömer and L. A. Kuzmichev and R. R. Mirgazov and L. Pankov and V. V. Prosin and G. I. Rubtsov and C. Rühle and E. Svetnitsky and R. Wischnewski and A. Zagorodnikov},
journal= {arXiv preprint arXiv:1308.0910},
year = {2013}
}
Comments
in Proceedings of the 33rd ICRC 2013, Rio de Janeiro, Brazil; paper 0452 (4 pages)