Related papers: Revised absolute amplitude calibration of the LOPE…

Improved absolute calibration of LOPES measurements and its impact on the comparison with REAS 3.11 and CoREAS simulations

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 external, commercial reference source, which emits a frequency…

High Energy Astrophysical Phenomena · Physics 2015-12-21 W. D. Apel , J. C. Arteaga-Velazquez , L. Bähren , K. Bekk , M. Bertaina , P. L. Biermann , J. Blümer , H. Bozdog , I. M. Brancus , E. Cantoni , A. Chiavassa , K. Daumiller , V. de Souza , F. Di Pierro , P. Doll , R. Engel , H. Falcke , B. Fuchs , H. Gemmeke , C. Grupen , A. Haungs , D. Heck , R. Hiller , J. R. Hörandel , A. Horneffer , D. Huber , T. Huege , P. G. Isar , K. -H. Kampert , D. Kang , O. Krömer , J. Kuijpers , K. Link , P. Luczak , M. Ludwig , H. J. Mathes , M. Melissas , C. Morello , S. Nehls , J. Oehlschläger , N. Palmieri , T. Pierog , J. Rautenberg , H. Rebel , M. Roth , C. Rühle , A. Saftoiu , H. Schieler , A. Schmidt , S. Schoo , F. G. Schröder , O. Sima , G. Toma , G. C. Trinchero , A. Weindl , J. Wochele , J. Zabierowski , J. A. Zensus

Amplitude calibration of a digital radio antenna array for measuring cosmic ray air showers

Radio pulses are emitted during the development of air showers, where air showers are generated by ultra-high energy cosmic rays entering the Earth's atmosphere. These nanosecond short pulses are presently investigated by various…

Astrophysics · Physics 2009-06-23 S. Nehls , A. Hakenjos , M. J. Arts , J. Bluemer , H. Bozdog , W. A. van Cappellen , H. Falcke , A. Haungs , A. Horneffer , T. Huege , P. G. Isar , O. Kroemer

Absolute calibration of the LOPES antenna system

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 detection of high energy cosmic rays compared to secondary…

Astrophysics · Physics 2010-11-05 S. Nehls , LOPES Collaboration

Investigation of the radio wavefront of air showers with LOPES measurements and CoREAS simulations (ARENA 2014)

We investigated the radio wavefront of cosmic-ray air showers with LOPES measurements and CoREAS simulations: the wavefront is of approximately hyperbolic shape and its steepness is sensitive to the shower maximum. For this study we used…

Instrumentation and Methods for Astrophysics · Physics 2015-07-29 F. G. Schröder , W. D. Apel , J. C. Arteaga-Velazquez , L. Bähren , K. Bekk , M. Bertaina , P. L. Biermann , J. Blümer , H. Bozdog , I. M. Brancus , E. Cantoni , A. Chiavassa , K. Daumiller , V. de Souza , F. Di Pierro , P. Doll , R. Engel , H. Falcke , B. Fuchs , D. Fuhrmann , H. Gemmeke , C. Grupen , A. Haungs , D. Heck , J. R. Hörandel , A. Horneffer , D. Huber , T. Huege , P. G. Isar , K. -H. Kampert , D. Kang , O. Krömer , J. Kuijpers , K. Link , P. Luczak , M. Ludwig , H. J. Mathes , M. Melissas , C. Morello , J. Oehlschläger , N. Palmieri , T. Pierog , J. Rautenberg , H. Rebel , M. Roth , C. Rühle , A. Saftoiu , H. Schieler , A. Schmidt , S. Schoo , O. Sima , G. Toma , G. C. Trinchero , A. Weindl , J. Wochele , J. Zabierowski , J. A. Zensus

Comparing LOPES measurements of air-shower radio emission with REAS 3.11 and CoREAS simulations

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 improve the understanding of the radio emission, we test…

High Energy Astrophysical Phenomena · Physics 2015-12-21 W. D. Apel , J. C. Arteaga , L. Bähren , K. Bekk , M. Bertaina , P. L. Biermann , J. Blümer , H. Bozdog , I. M. Brancus , A. Chiavassa , K. Daumiller , V. de Souza , F. Di Pierro , P. Doll , R. Engel , H. Falcke , B. Fuchs , D. Fuhrmann , H. Gemmeke , C. Grupen , A. Haungs , D. Heck , J. R. Hörandel , A. Horneffer , D. Huber , T. Huege , P. G. Isar , K. -H. Kampert , D. Kang , O. Krömer , J. Kuijpers , K. Link , P. Luczak , M. Ludwig , H. J. Mathes , M. Melissas , C. Morello , J. Oehlschläger , N. Palmieri , T. Pierog , J. Rautenberg , H. Rebel , M. Roth , C. Rühle , A. Saftoiu , H. Schieler , A. Schmidt , F. G. Schröder , O. Sima , G. Toma , G. C. Trinchero , A. Weindl , J. Wochele , J. Zabierowski , J. A. Zensus

Cosmic Ray Measurements with LOPES: Status and Recent Results (ARENA 2012)

LOPES is a digital antenna array at the Karlsruhe Institute of Technology, Germany, for cosmic-ray air-shower measurements. Triggered by the co-located KASCADE-Grande air-shower array, LOPES detects the radio emission of air showers via…

High Energy Astrophysical Phenomena · Physics 2013-09-19 F. G. Schröder , W. D. Apel , J. C. Arteaga , L. Bähren , K. Bekk , M. Bertaina , P. L. Biermann , J. Blümer , H. Bozdog , I. M. Brancus , A. Chiavassa , K. Daumiller , V. de Souza , F. Di Pierro , P. Doll , R. Engel , H. Falcke , B. Fuchs , D. Fuhrmann , H. Gemmeke , C. Grupen , A. Haungs , D. Heck , J. R. Hörandel , A. Horneffer , D. Huber , T. Huege , P. G. Isar , K. -H. Kampert , D. Kang , O. Krömer , J. Kuijpers , K. Link , P. Luczak , M. Ludwig , H. J. Mathes , M. Melissas , C. Morello , J. Oehlschläger , N. Palmieri , T. Pierog , J. Rautenberg , H. Rebel , M. Roth , C. Rühle , A. Saftoiu , H. Schieler , A. Schmidt , O. Sima , G. Toma , G. C. Trinchero , A. Weindl , J. Wochele , J. Zabierowski , J. A. Zensus

Interferometric Radio Measurements of Air Showers with LOPES: Final Results (ICRC 2017)

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 MHz with an energy threshold of around 100 PeV. Even with…

High Energy Astrophysical Phenomena · Physics 2019-08-14 Frank G. Schröder , Katrin Link

Comparison of LOPES data and CoREAS simulations using a full detector simulation (ICRC2013)

The LOPES experiment at the Karlsruhe Institute of Technology, Germany, has been measuring radio emission of air showers for almost 10 years. For a better understanding of the emission process a detailed comparison of data with simulations…

Instrumentation and Methods for Astrophysics · Physics 2013-08-13 K. Link , W. D. Apel , J. C. Arteaga-VelÁzquez , L. BÄhren , K. Bekk , M. Bertaina , P. L. Biermann , J. BlÜmer , H. Bozdog , I. M. Brancus , E. Cantoni , A. Chiavassa , K. Daumiller , V. De Souza , F. Di Pierro , P. Doll , R. Engel , H. Falcke , B. Fuchs , D. Fuhrmann , H. Gemmeke , C. Grupen , A. Haungs , D. Heck , J. R. HÖrandel , A. Horneffer , D. Huber , T. Huege , P. G. Isar , K-H. Kampert , D. Kang , O. KrÖmer , J. Kuijpers , P. ŁUczak , M. Ludwig , H. J. Mathes , M. Melissas , C. Morello , J. OehlschlÄger , N. Palmieri , T. Pierog , J. Rautenberg , H. Rebel , M. Roth , C. RÜhle , A. Saftoiu , H. Schieler , A. Schmidt , F. G. SchrÖder , O. Sima , G. Toma , G. C. Trinchero , A. Weindl , J. Wochele , J. Zabierowski , J. A. Zensus

Air Shower Measurements with the LOPES Radio 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 Extensive Air Showers. Since radio waves suffer very little attenuation, radio…

Astrophysics · Physics 2019-08-15 A. Haungs

LOPES-3D, an antenna array for full signal detection of air-shower radio emission

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 reconfigured to LOPES-3D. LOPES-3D is able to measure all three…

Instrumentation and Methods for Astrophysics · Physics 2013-03-28 W. D. Apel , J. C. Arteaga , L. Bähren , K. Bekk , M. Bertaina , P. L. Biermann , J. Blümer , H. Bozdog , I. M. Brancus , P. Buchholz , E. Cantoni , A. Chiavassa , K. Daumiller , V. de Souza , F. Di Pierro , P. Doll , R. Engel , H. Falcke , M. Finger , B. Fuchs , D. Fuhrmann , H. Gemmeke , C. Grupen , A. Haungs , D. Heck , J. R. Hörandel , A. Horneffer , D. Huber , T. Huege , P. G. Isar , K. -H. Kampert , D. Kang , O. Krömer , J. Kuijpers , K. Link , P. Luczak , M. Ludwig , H. J. Mathes , M. Melissas , C. Morello , J. Oehlschläger , N. Palmieri , T. Pierog , J. Rautenberg , H. Rebel , M. Roth , C. Rühle , A. Saftoiu , H. Schieler , A. Schmidt , F. G. Schröder , O. Sima , G. Toma , G. C. Trinchero , A. Weindl , J. Wochele , M. Wommer , J. Zabierowski , J. A. Zensus

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…

High Energy Astrophysical Phenomena · Physics 2019-08-13 J. R. Hoerandel

Investigation on the energy and mass composition of cosmic rays using LOPES radio data

The sensitivity to the mass composition as well as the reconstruction of the energy of the primary particle are explored here by leveraging the features of the radio lateral distribution function. For the purpose of this analysis, a set of…

High Energy Astrophysical Phenomena · Physics 2013-09-11 N. Palmieri , W. D. Apel , J. C. Arteaga , L. Bähren , K. Bekk , M. Bertaina , P. L. Biermann , J. Blümer , H. Bozdog , I. M. Brancus , A. Chiavassa , K. Daumiller , V. de Souza , F. Di Pierro , P. Doll , R. Engel , H. Falcke , D. Fuhrmann , H. Gemmeke , C. Grupen , A. Haungs , D. Heck , J. R. Hörandel , A. Horneffer , D. Huber , T. Huege , P. G. Isar , K. H. Kampert , D. Kang , O. Krömer , J. Kuijpers , K. Link , P. Łuczak , M. Ludwig , H. J. Mathes , M. Melissas , C. Morello , J. Oehlschläger , T. Pierog , J. Rautenberg , H. Rebel , M. Roth , C. Rühle , A. Saftoiu , H. Schieler , A. Schmid , F. G. Schröder , O. Sima , G. Toma , G. C. Trinchero , A. Weindl , J. Wochele , M. Wommer , J. Zabierowski , J. A. Zensus - LOPES Collaboration -

Reconstruction of the energy and depth of maximum of cosmic-ray air-showers from LOPES radio measurements

LOPES is a digital radio interferometer located at Karlsruhe Institute of Technology (KIT), Germany, which measures radio emission from extensive air showers at MHz frequencies in coincidence with KASCADE-Grande. In this article, we explore…

Instrumentation and Methods for Astrophysics · Physics 2015-06-22 W. D. Apel , J. C. Arteaga-Velazquez , L. Bähren , K. Bekk , M. Bertaina , P. L. Biermann , J. Blümer , H. Bozdog , I. M. Brancus , E. Cantoni , A. Chiavassa , K. Daumiller , V. de Souza , F. Di Pierro , P. Doll , R. Engel , H. Falcke , B. Fuchs , D. Fuhrmann , H. Gemmeke , C. Grupen , A. Haungs , D. Heck , J. R. Hörandel , A. Horneffer , D. Huber , T. Huege , P. G. Isar , K. -H. Kampert , D. Kang , O. Krömer , J. Kuijpers , K. Link , P. Łuczak , M. Ludwig , H. J. Mathes , M. Melissas , C. Morello , J. Oehlschläger , N. Palmieri , T. Pierog , J. Rautenberg , H. Rebel , M. Roth , C. Rühle , A. Saftoiu , H. Schieler , A. Schmidt , F. G. Schröder , O. Sima , G. Toma , G. C. Trinchero , A. Weindl , J. Wochele , J. Zabierowski , J. A. Zensus

LOPES 3D reconfiguration and first measurements

The Radio detection technique of high-energy cosmic rays is based on the radio signal emitted by the charged particles in an air shower due to their deflection in the Earth's magnetic field. The LOPES experiment at Karlsruhe Institute of…

Instrumentation and Methods for Astrophysics · Physics 2013-03-29 D. Huber , W. D. Apel , J. C. Arteaga , L. Bähren , K. Bekk , M. Bertaina , P. L. Biermann , J. Blümer , H. Bozdog , I. M. Brancus , P. Buchholz , E. Cantoni , A. Chiavassa , K. Daumiller , V. de Souza , F. Di Pierro , P. Doll , R. Engel , H. Falcke , M. Finger , B. Fuchs , D. Fuhrmann , H. Gemmeke , C. Grupen , A. Haungs , D. Heck , J. R. Hörandel , A. Horneffer , T. Huege , P. G. Isar , K. -H. Kampert , D. Kang , O. Krömer , J. Kuijpers , K. Link , P. Luczak , M. Ludwig , H. J. Mathes , M. Melissas , C. Morello , J. Oehlschläger , N. Palmieri , T. Pierog , J. Rautenberg , H. Rebel , M. Roth , C. Rühle , A. Saftoiu , H. Schieler , A. Schmidt , F. G. Schröder , O. Sima , G. Toma , G. C. Trinchero , A. Weindl , J. Wochele , M. Wommer , J. Zabierowski , J. A. Zensus

Final results of the LOPES radio interferometer for cosmic-ray air showers

LOPES, the LOFAR prototype station, was an antenna array for cosmic-ray air showers operating from 2003 - 2013 within the KASCADE-Grande experiment. Meanwhile, the analysis is finished and the data of air-shower events measured by LOPES are…

High Energy Astrophysical Phenomena · Physics 2021-02-26 W. D. Apel , J. C. Arteaga-Velázquez , L. Bähren , K. Bekk , M. Bertaina , P. L. Biermann , J. Blümer , H. Bozdog , E. Cantoni , A. Chiavassa , K. Daumiller , V. de Souza , F. Di Pierro , P. Doll , R. Engel , H. Falcke , B. Fuchs , H. Gemmeke , C. Grupen , A. Haungs , D. Heck , J. R. Hörandel , A. Horneffer , D. Huber , T. Huege , P. G. Isar , K. -H. Kampert , D. Kang , O. Krömer , J. Kuijpers , K. Link , P. Luczak , M. Ludwig , H. J. Mathes , M. Melissas , C. Morello , S. Nehls , J. Oehlschläger , N. Palmieri , T. Pierog , J. Rautenberg , H. Rebel , M. Roth , C. Rühle , A. Saftoiu , H. Schieler , A. Schmidt , S. Schoo , F. G. Schröder , O. Sima , G. Toma , G. C. Trinchero , A. Weindl , J. Wochele , J. Zabierowski , J. A. Zensus , LOPES Collaboration

The LOPES experiment - recent results, status and perspectives

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 detector since 2003. Various experimental configurations…

High Energy Astrophysical Phenomena · Physics 2019-08-13 Tim Huege

Time Calibration of the Radio Air Shower Array LOPES

LOPES is a digitally read out antenna array consisting of 30 calibrated dipole antennas. It is located at the site of the KASCADE-Grande experiment at Forschungszentrum Karlsruhe and measures the radio emission of cosmic ray air showers in…

Instrumentation and Methods for Astrophysics · Physics 2019-08-13 Frank G. Schröder

Calibrating the absolute amplitude scale for air showers measured at LOFAR

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 ARray (LOFAR) and are used to study the properties of…

Instrumentation and Methods for Astrophysics · Physics 2015-12-29 A. Nelles , J. R. Hörandel , T. Karskens , M. Krause , S. Buitink , A. Corstanje , J. E. Enriquez , M. Erdmann , H. Falcke , A. Haungs , R. Hiller , T. Huege , R. Krause , K. Link , M. J. Norden , J. P. Rachen , L. Rossetto , P. Schellart , O. Scholten , F. G. Schröder , S. ter Veen , S. Thoudam , T. N. G. Trinh , K. Weidenhaupt , S. J. Wijnholds , J. Anderson , L. Bähren , M. E. Bell , M. J. Bentum , P. Best , A. Bonafede , J. Bregman , W. N. Brouw , M. Bruüggen , H. R. Butcher , D. Carbone , B. Ciardi , F. de Gasperin , S. Duscha , J. Eislöffel , R. A. Fallows , W. Frieswijk , M. A. Garrett , M. P. van Haarlem , G. Heald , M. Hoeft , A. Horneffer , M. Iacobelli , E. Juette , A. Karastergiou , J. Kohler , V. I. Kondratiev , M. Kuniyoshi , G. Kuper , J. van Leeuwen , P. Maat , R. McFadden , D. McKay-Bukowski , E. Orru , H. Paas , M. Pandey-Pommier , V. N. Pandey , R. Pizzo , A. G. Polatidis , W. Reich , H. Röttgering , D. Schwarz , M. Serylak , J. Sluman , O. Smirnov , C. Tasse , M. C. Toribio , R. Vermeulen , R. J. van Weeren , R. A. M. J. Wijers , O. Wucknitz , P. Zarka

Reconstructing energy and Xmax of cosmic ray air showers using the radio lateral distribution measured with LOPES

The LOPES experiment, a digital radio interferometer located at KIT (Karlsruhe Institute of Technology), obtained remarkable results for the detection of radio emission from extensive air showers at MHz frequencies. Features of the radio…

Instrumentation and Methods for Astrophysics · Physics 2013-08-02 W. D. Apel , J. C. Arteaga , L. Bähren , K. Bekk , M. Bertaina , P. L. Biermann , J. Blümer , H. Bozdog , I. M. Brancus , A. Chiavassa , K. Daumiller , V. de Souza , F. Di Pierro , P. Doll , R. Engel , H. Falcke , B. Fuchs , D. Fuhrmann , H. Gemmeke , C. Grupen , A. Haungs , D. Heck , J. R. Hörandel , A. Horneffer , D. Huber , T. Huege , P. G. Isar , K. H. Kampert , D. Kang , O. Krömer , J. Kuijpers , K. Link , P. Łuczak , M. Ludwig , H. J. Mathes , M. Melissas , C. Morello , J. Oehlschläger , N. Palmieri , T. Pierog , J. Rautenberg , H. Rebel , M. Roth , C. Rühle , A. Saftoiu , H. Schieler , A. Schmid , F. G. Schröder , O. Sima , G. Toma , G. C. Trinchero , A. Weindl , J. Wochele , M. Wommer , J. Zabierowski , J. A. Zensus

Frequency spectra of cosmic ray air shower radio emission measured with LOPES

AIMS: We wish to study the spectral dependence of the radio emission from cosmic-ray air showers around 100 PeV (1017 eV). METHODS: We observe short radio pulses in a broad frequency band with the dipole-interferometer LOPES (LOFAR…

Astrophysics · Physics 2008-09-17 A. Nigl