Dresden 2013 – wissenschaftliches Programm
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T: Fachverband Teilchenphysik
T 94: Kosmische Strahlung 4
T 94.6: Gruppenbericht
Montag, 4. März 2013, 18:00–18:20, WIL-B321
Tunka-Rex: The Radio Extension of the Tunka Experiment — •Roman Hiller — Institut für Kernphysik, Karlsruhe Institute of Technology (KIT)
The Tunka-133 experiment is a non-imaging Cherenkov detector for extensive air showers, induced by primary cosmic ray particles with energies above 1016 eV. It is located in the Tunka valley near the southern tip of lake Baikal, Siberia. Tunka-Rex is the radio extension of Tunka-133. Its first stage was deployed in autumn 2012 and it began operation on October 8th 2012. It consists currently of 20 radio antennas, placed within the Tunka-133 array covering an area of 1 km2. Triggered by Tunka-133, Tunka-Rex measures the radio signal of a shower in coincidence with its Cherenkov emission. This gives the opportunity to explore the possible precision of the radio detection technique in determination of primary energy and mass in detail by cross-calibrating the radio signal with the well understood Cherenkov detector. In this report we present the overall concept of Tunka-Rex and its current status with a focus on its hardware properties and their impact on the measurement.