336 citations · 1.2k across the 25 of their papers we have counts for
26 papers
Interferometric Radio Measurements of Air Showers with LOPES: Final Results (ICRC 2017)
Frank G. Schröder, Katrin Link
LOPES was the radio extension of the KASCADE-Grande particle-detector array consisting of up to 30 antennas measuring the radio emission of cosmic-ray air showers between 40 and 80…
A comparison of the cosmic-ray energy scales of Tunka-133 and KASCADE-Grande via their radio extensions Tunka-Rex and LOPES
W. D. Apel, J. C. Arteaga-Velázquez, L. Bähren +73
The radio technique is a promising method for detection of cosmic-ray air showers of energies around PeV and higher with an array of radio antennas. Since the amplitude of t…
Calibrating the absolute amplitude scale for air showers measured at LOFAR
A. Nelles, J. R. Hörandel, T. Karskens +74
Air showers induced by cosmic rays create nanosecond pulses detectable at radio frequencies. These pulses have been measured successfully in the past few years at the LOw Frequency…
Improved absolute calibration of LOPES measurements and its impact on the comparison with REAS 3.11 and CoREAS simulations
W. D. Apel, J. C. Arteaga-Velazquez, L. Bähren +55
LOPES was a digital antenna array detecting the radio emission of cosmic-ray air showers. The calibration of the absolute amplitude scale of the measurements was done using an exte…
The wavefront of the radio signal emitted by cosmic ray air showers
W. D. Apel, J. C. Arteaga-Velázquez, L. Bähren +53
Analyzing measurements of the LOPES antenna array together with corresponding CoREAS simulations for more than 300 measured events with energy above eV and zenith angles…
Detecting cosmic rays with the LOFAR radio telescope
P. Schellart, A. Nelles, S. Buitink +102
The low frequency array (LOFAR), is the first radio telescope designed with the capability to measure radio emission from cosmic-ray induced air showers in parallel with interferom…
Comparing LOPES measurements of air-shower radio emission with REAS 3.11 and CoREAS simulations
W. D. Apel, J. C. Arteaga, L. Bähren +52
Cosmic ray air showers emit radio pulses at MHz frequencies, which can be measured with radio antenna arrays - like LOPES at the Karlsruhe Institute of Technology in Germany. To im…
Mass sensitivity in the radio lateral distribution function
W. D. Apel, J. C. Arteaga, L. Bähren +56
Measuring the mass composition of ultra-high energy cosmic rays is one of the main tasks in the cosmic rays field. Here we are exploring the composition signature in the coherent e…
Thunderstorm Observations by Air-Shower Radio Antenna Arrays
W. D. Apel, J. C. Arteaga, L. Bähren +57
Relativistic, charged particles present in extensive air showers lead to a coherent emission of radio pulses which are measured to identify the shower initiating high-energy cosmic…
LOPES-3D, an antenna array for full signal detection of air-shower radio emission
W. D. Apel, J. C. Arteaga, L. Bähren +56
To better understand the radio signal emitted by extensive air-showers and to further develop the radio detection technique of high-energy cosmic rays, the LOPES experiment was rec…
Experimental evidence for the sensitivity of the air-shower radio signal to the longitudinal shower development
W. D. Apel, J. C. Arteaga, L. Bähren +56
We observe a correlation between the slope of radio lateral distributions, and the mean muon pseudorapidity of 59 individual cosmic-ray-air-shower events. The radio lateral distrib…
LOFAR: Detecting Cosmic Rays with a Radio Telescope
A. Corstanje, M. van den Akker, L. Bähren +13
LOFAR (the Low Frequency Array), a distributed digital radio telescope with stations in the Netherlands, Germany, France, Sweden, and the United Kingdom, is designed to enable full…
Observing pulsars and fast transients with LOFAR
B. W. Stappers, J. W. T. Hessels, A. Alexov +91
Low frequency radio waves, while challenging to observe, are a rich source of information about pulsars. The LOw Frequency ARray (LOFAR) is a new radio interferometer operating in…
On noise treatment in radio measurements of cosmic ray air showers
F. G. Schröder, W. D. Apel, J. C. Arteaga +58
Precise measurements of the radio emission by cosmic ray air showers require an adequate treatment of noise. Unlike to usual experiments in particle physics, where noise always add…
The LOPES experiment - recent results, status and perspectives
Tim Huege
The LOPES experiment at the Karlsruhe Institute of Technology has been taking radio data in the frequency range from 40 to 80 MHz in coincidence with the KASCADE-Grande air shower…
Measurement of Radio Emission from Extensive Air Showers with LOPES
J. R. Hoerandel
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 fiel…
Lateral Distribution of the Radio Signal in Extensive Air Showers Measured with LOPES
LOPES Collaboration, W. D. Apel, J. C. Arteaga +71
The antenna array LOPES is set up at the location of the KASCADE-Grande extensive air shower experiment in Karlsruhe, Germany and aims to measure and investigate radio pulses from…
Air Shower Measurements with LOFAR
A. Horneffer, L. Bähren, S. Buitink +7
Air showers from cosmic rays emit short, intense radio pulses. LOFAR is a new radio telescope, that is being built in the Netherlands and Europe. Designed primarily as a radio inte…
Air Shower Measurements with the LOPES Radio Antenna Array
A. Haungs
LOPES is set up at the location of the KASCADE-Grande extensive air shower experiment in Karlsruhe, Germany and aims to measure and investigate radio pulses from Extensive Air Show…
Amplified radio emission from cosmic ray air showers in thunderstorms
Stijn Buitink
Cosmic ray air showers produce radio emission, consisting in large part of geosynchrotron emission. Since the radiation mechanism is based on particle acceleration, the atmospheric…
Radio emission of highly inclined cosmic ray air showers measured with LOPES
Jelena Petrovic LOPES collaboration
LOPES-10 (the first phase of LOPES, consisting of 10 antennas) detected a significant number of cosmic ray air showers with a zenith angle larger than 50, and many of the…
Radio Emission in Atmospheric Air Showers: First Measurements with LOPES-30
P. G. Isar, S. Nehls, LOPES Collaboration
When Ultra High Energy Cosmic Rays interact with particles in the Earth's atmosphere, they produce a shower of secondary particles propagating toward the ground. LOPES-30 is an abs…
Absolute calibration of the LOPES antenna system
S. Nehls, LOPES Collaboration
Radio emission in extensive air showers arises from an interaction with the geomagnetic field and is subject of theoretical studies. This radio emission has advantages for the dete…
Combined LOPES and KASCADE-Grande Data Analysis
A. Haungs, LOPES Collaboration
First analyses of coincident data of the LOPES (LOfar PrototypE Station) radio antennas with the particle air shower experiment KASCADE-Grande show basic correlations in the observ…