Measurement of horizontal air showers with the Auger Engineering Radio Array

Measurement of Radio Emission from Extensive Air Showers with LOPES

A new method is explored to detect extensive air showers: the measurement of radio waves emitted during the propagation of the electromagnetic shower component in the magnetic field of the Earth. Recent results of the pioneering experiment LOPES are discussed. It registers radio signals in the frequency range between 40 and 80 MHz. The intensity of the measured radio emission is investigated as...

Measurement of the Lateral Distribution Function of UHECR Air Showers with the Pierre Auger Observatory

The Pierre Auger Observatory [1] is being used to study cosmic rays with energies larger than 10 eV with unprecedented precision and statistics. An essential quantity that must be deduced from data is the lateral distribution function (LDF) that describes the decreasing of the signals in the watertanks as a function of distance. Knowledge of the LDF is important for the reconstruction of the sh...

Radio Measurements of Air Showers with LOPES

LOPES is a digital antenna array for the radio measurement of cosmic-ray air showers at energies around 10 eV. It is triggered by the KASCADE-Grande air-shower array at the Karlsruhe Institute of Technology (KIT), Germany. Because of an absolute amplitude calibration and a sophisticated data analysis, LOPES can test models for the radio emission to an up-to-now unachieved level, thus improving ...

Muons in air showers at the Pierre Auger Observatory: Measurement of atmospheric production depth

Status of the Auger Engineering Array

In order to test the design of the Pierre Auger Observatory, as well as different construction alternatives, a small subset of the full array is being built in Malargüe, Argentina, and will be put into operation this year. It will consist of 40 surface detectors, covering an area of 46 km, and 2 fluorescence telescopes with an angle of view of 30◦ x 30◦ each. We present a description of this en...