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Digital radio antenna arrays, like LOPES (LOFAR PrototypE Station), detect high-energy cosmic rays via the radio emission from atmospheric extensive air showers. LOPES is an array of dipole antennas placed within and triggered by the…

Instrumentation and Methods for Astrophysics · Physics 2012-05-14 F. G. Schröder , T. Asch , L. Bähren , J. Blümer , H. Bozdog , H. Falcke , A. Haungs , A. Horneffer , T. Huege , P. G. Isar , O. Krömer , S. Nehls

Data taken during half a year of operation of 10 LOPES antennas (LOPES-10), triggered by EAS observed with KASCADE-Grande have been analysed. We report about the analysis of correlations of radio signals measured by LOPES-10 with extensive…

Astrophysics · Physics 2009-11-11 W. D. Apel , T. Asch , A. F. Badea , LOPES Collaboration

The procedure for the energy calibration of the high granularity electromagnetic calorimeter PHOS of the ALICE experiment is presented. The methods used to perform the relative gain calibration, to evaluate the geometrical alignment and the…

Instrumentation and Detectors · Physics 2019-11-11 Alice Collaboration

One successful detection technique for high-energy cosmic rays is based on the radio signal emitted by the charged particles in an air shower. The LOPES experiment at Karlsruhe Institute of Technology, Germany, has made major contributions…

The LOPES experiment was a radio interferometer built at the existing air shower array KASCADE-Grande in Karlsruhe, Germany. The last configuration of LOPES was called LOPES 3D and consisted of ten tripole antennas. Each of these antennas…

LOPES 3D is able to measure all three components of the electric field vector of the radio emission from air showers. This allows a better comparison with emission models. The measurement of the vertical component increases the sensitivity…

In the last few years, radio detection of cosmic ray air showers has experienced a true renaissance, becoming manifest in a number of new experiments and simulation efforts. In particular, the LOPES project has successfully implemented…

Astrophysics · Physics 2009-11-11 Tim Huege , the 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 observed shower parameters, like the strength of the radio signal…

Astrophysics · Physics 2010-11-05 A. Haungs , LOPES Collaboration

Cosmic ray air showers are known to emit pulsed radio emission at frequencies around a few tens of MHz. Accompanying the experimental efforts of the LOPES project, situated at the KASCADE-Grande site of the Forschungszentrum Karlsruhe, we…

Astrophysics · Physics 2007-05-23 Tim Huege , Heino Falcke

The radio technique for the detection of cosmic particles has seen a major revival in recent years. New and planned experiments in the lab and the field, such as GLUE, Anita, LUNASKA, Codalema, LOPES as well as sophisticated Monte Carlo…

Astrophysics · Physics 2019-08-15 Heino Falcke

Radio pulses emitted in the atmosphere during the air shower development of high-energy primary cosmic rays were measured during the late 1960ies in the frequency range from 2 MHz to 520 MHz. Mainly due to difficulties with radio…

Astrophysics · Physics 2007-05-23 LOPES Collaboration , A. Horneffer

CoREAS is a Monte Carlo simulation code for the calculation of radio emission from extensive air showers. It is based on the "endpoint formalism" for radiation from moving charges implemented directly in CORSIKA. Consequently, the full…

High Energy Astrophysical Phenomena · Physics 2013-07-30 Tim Huege , Clancy W. James

LOPES (LOFAR Prototype Station) is an array of dipole antennas used for detection of radio emission from air showers. It is co-located and triggered by the KASCADE (Karlsruhe Shower Core and Array Detector) experiment, which also provides…

Astrophysics · Physics 2009-11-11 J. Petrovic , LOPES collaboration

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 Showers. Data taken during half a year of operation of 10 LOPES…

Astrophysics · Physics 2009-11-11 Andreas Haungs , LOPES Collaboration

Radio emission from cosmic ray air showers has the potential to become an additional, cost-effective observing technique for cosmic ray research, being largely complementary to the well-established particle detector and air fluorescence…

Astrophysics · Physics 2009-11-10 Tim Huege , Heino Falcke

As a basis for the interpretation of data gathered by LOPES and other experiments, we have carried out Monte Carlo simulations of geosynchrotron radio emission from cosmic ray air showers. The simulations, having been verified carefully…

Astrophysics · Physics 2010-11-05 Tim Huege , Heino Falcke

Recently, the energy determination of extensive air showers using radio emission has been shown to be both precise and accurate. In particular, radio detection offers the opportunity for an independent measurement of the absolute energy…

High Energy Astrophysical Phenomena · Physics 2018-08-29 Marvin Gottowik , Christian Glaser , Tim Huege , Julian Rautenberg

The origin of high-energy cosmic rays in the energy range from 10^14 to 10^18 eV is explored with the KASCADE and KASCADE-Grande experiments. Radio signals from air showers are measured with the LOPES experiment. An overview on results is…

Astrophysics · Physics 2009-11-13 J. R. Hoerandel