URL: https://physikseminar.desy.de/zeuthen/past_colloquia/colloquia_in_2015/april_27_2015/@@siteview
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SPECIAL SEMINAR! Radio Detection of Cosmic-Ray Air Showers
Frank G. Schröder (KIT))
Seminar room 1, 14:00
The origin of ultra-high energy cosmic rays with energies above 1017 eV is still mysterious. For distinguishing between different scenarios, more accurate measurements of air showers are required in this energy range. Digital radio arrays offer an alternative method for the reconstruction of the air-shower energy and the composition of cosmic rays. Compared to the established methods of air-Cherenkov and fluorescence light measurements, radio detection provides the advantage of a much higher duty cycle close to 100%. Moreover, an improved resolution for the composition is expected in combination with particle detector arrays. Testing and demonstrating the potential of the radio technique is the goal of modern radio arrays, like AERA at the Pierre Auger Observatory and Tunka-Rex, the radio extension of the Tunka experiment in Siberia. The talk will give an introduction on the physics behind the radio emission of air showers, and summarize the latest results as well as the status of current radio experiments.
