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The Pierre Auger Observatory is the largest observatory of high-energy cosmic rays. It is located in Argentina and has been taking data since January 2004. Extensive air showers initiated by cosmic rays are measured by the hybrid detector,…

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

The next-generation neutrino telescope IceCube-Gen2 is planned to include a surface detector array consisting of scintillation detectors and radio antennas for the detection of cosmic-ray air showers. Prototype stations, each comprising 8…

High Energy Astrophysical Phenomena · Physics 2024-09-04 Stef Verpoest

The Pierre Auger Observatory is designed to study cosmic rays with energies greater than 10^{19} eV. Two sites are envisaged for the observatory, one in each hemisphere, for complete sky coverage. The southern site of the Auger Observatory,…

The origin and nature of the highest energy cosmic ray events is currently the subject of intense investigation by giant air shower arrays and fluorescent detectors. These particles reach energies well beyond what can be achieved in…

Astrophysics · Physics 2009-11-10 H. Falcke , P. Gorham , R. J. Protheroe

LOFAR (the Low Frequency Array) is the largest radio telescope in the world for observing low frequency radio emission from 10 to 240 MHz. In addition to its use as an interferometric array, LOFAR is now routinely used to detect cosmic ray…

The world largest exposure to ultra-high energy cosmic rays accumulated by the Pierre Auger Observatory led to major advances in our understanding of their properties, but the many unknowns about the nature and distribution of the sources,…

High Energy Astrophysical Phenomena · Physics 2019-06-12 Antonella Castellina

The aim of the Pierre Auger Observatory is the investigation of the nature of cosmic ray particles at ultra-high energies. It can simultaneously observe the longitudinal air shower development in the atmosphere as well as particle densities…

High Energy Astrophysical Phenomena · Physics 2019-08-13 Ralf Ulrich

The ARIANNA experiment is currently taking data in its pilot-phase on the Ross ice-shelf. Fully autonomous stations measure radio signals in the frequency range from 100 MHz to 1 GHz. The seven station HRA was completed in December 2014,…

Instrumentation and Methods for Astrophysics · Physics 2017-04-05 Anna Nelles

Studies of the radio detection of Extensive Air Showers is the goal of the demonstrative experiment CODALEMA. Previous analysis have demonstrated that detection around $5.10^{16}$ eV was achieved with this set-up. New results allow for the…

The measurement of ultra-high energy (UHE) neutrinos (E $>$ \SI{e16}{eV}) opens a new field of astronomy with the potential to reveal the sources of ultra-high energy cosmic rays especially if combined with observations in the…

The Pierre Auger Observatory in Argentina provides the largest data sample of the cosmic ray events with energy above 10$^{18}$ eV. These high energy events can be used to test our understanding of the hadronic interactions at energies…

High Energy Astrophysical Phenomena · Physics 2019-08-13 Petr Travnicek

Searches for ultra-high energy ($E_\nu \geq 10$ PeV) cosmogenic and astrophysical neutrinos (UHENs) have been conducted by several experiments over the last two decades. The Askaryan Radio Array (ARA), located near the geographical South…

High Energy Astrophysical Phenomena · Physics 2024-11-05 Mohammad Ful Hossain Seikh

In 1965 it was discovered that cosmic ray air showers emit impulsive radio signals at frequencies below 100 MHz. After a period of intense research in the 1960s and 1970s, however, interest in the detection technique faded almost…

Instrumentation and Methods for Astrophysics · Physics 2016-04-20 T. Huege

Results will be shown from the ASTRONEU array developed and operated in the outskirts of Patras, Greece. An array of 9 scintillator detectors and 3 antennas were deployed to study Extensive Air Showers (EAS) as a tool for calibrating an…

We describe the measurement of the depth of maximum, Xmax, of the longitudinal development of air showers induced by cosmic rays. Almost four thousand events above 10^18 eV observed by the fluorescence detector of the Pierre Auger…

High Energy Astrophysical Phenomena · Physics 2012-08-27 The Pierre Auger Collaboration

The recent demonstration by the CODALEMA Collaboration of the ability of the radio-detection technique for the characterization of UHE cosmic-rays calls for the use of this powerful method for the observation of UHE neutrinos. For this…

Instrumentation and Methods for Astrophysics · Physics 2010-04-30 Daniel Ardouin , Didier Charrier , Pascal Lautridou , Olivier Martineau-Huynh , Olivier Ravel , Xiang-Ping Wu , Meng Zhao

Radio detection of air showers in the current era has progressed immensely to effectively extract the properties of these air showers. Primary cosmic rays with energies of hundreds of PeV have been successfully measured with the method of…

Instrumentation and Methods for Astrophysics · Physics 2019-10-23 Aswathi Balagopal V. , Andreas Haungs , Thomas Huber , Tim Huege , Matthias Kleifges , Max Renschler , Harald Schieler , Frank G. Schröder , Andreas Weindl

The Pierre Auger Observatory, located near the town Malarg\"ue in the province of Mendoza, Argentina, is the largest cosmic-ray detector in existence, covering an area of 3000 km2. The upgraded Observatory, in Phase II of operations,…

High Energy Astrophysical Phenomena · Physics 2025-05-01 Eva Santos

CODALEMA is one of the pioneer experiments dedicated to the recent field of cosmic ray radio detection. It is located at the radio observatory of Nancay (France). The detector setup combined until recently a ground particle detector and an…

Instrumentation and Methods for Astrophysics · Physics 2015-05-30 Belletoile A , CODALEMA collaboration

The surface detector of the Pierre Auger Observatory has recently been upgraded with the addition of radio antennas, forming the radio detector (RD). This contribution outlines the standard methods for reconstructing extensive air showers…

Instrumentation and Methods for Astrophysics · Physics 2025-07-22 Simon Strähnz