Würzburg 2018 – scientific programme
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T: Fachverband Teilchenphysik
T 53: Kosmische Strahlung III
T 53.1: Group Report
Wednesday, March 21, 2018, 16:30–16:50, Philo-HS6
Status and prospects of the Tunka Radio Extension (Tunka-Rex) — •Dmitriy Kostunin — Karlruhe Institute of Technology, Karlsruhe, Germany
The Tunka Radio Extension (Tunka-Rex) is a cosmic-ray experiment located in Siberia at the TAIGA facility (Tunka Advanced Instrument for cosmic rays and Gamma Astronomy). Tunka-Rex is an array of 63 antenna stations placed on 1 km2 area and connected to the air-Cherenkov array Tunka-133 and the particle detectors Tunka-Grande, which trigger for the radio array. The antennas of Tunka-Rex detect radio pulses emitted during the development of ultra-high energy cosmic-ray air-showers in the frequency band of 30-80 MHz. The setup has been commissioned in 2012. From that time on it has achieved the number of important results, particularly that the radio technique is competitive to established techniques regarding the energy precision and can be used for cross-calibration between different cosmic ray experiments as well as for measurements of mass composition. Until now few thousands events have been detected jointly with the radio and particle setups and about more than hundred events are detected with all three setups. In the present talk I will give an overview of the Tunka-Rex instrumentation and methods, present recent results and prospects of the experiment.