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The Scintillator Surface Detector of the Pierre Auger Observatory
The Pierre Auger Collaboration
Data collected so far by the Pierre Auger Observatory have enabled major advances in ultra-high energy cosmic ray physics and demonstrated that improved determination of masses of…
Scaler rates from the Pierre Auger Observatory: a new proxy of solar activity
The Pierre Auger Collaboration, I. Bizzarri, C. Dionese +1
The modulation of low-energy galactic cosmic rays reflects interplanetary magnetic field variations and can provide useful information on solar activity. An array of ground-surface…
Latest Analysis Results from the KASCADE-Grande Data
D. Kang, J. C. Arteaga-Velázquez, M. Bertaina +22
KASCADE-Grande, the extension of the multi-detector setup of KASCADE, was devoted to measure the properties of extensive air showers initiated by high-energy cosmic rays in the pri…
Prospects for a survey of the Galactic plane with the Cherenkov Telescope Array
CTA Consortium
Approximately one hundred sources of very-high-energy (VHE) gamma rays are known in the Milky Way. A survey of the entire Galactic Plane in the energy range from a few tens of GeV…
Search for UHE Photons from Gravitational Wave Sources with the Pierre Auger Observatory
The Pierre Auger Collaboration, A. Abdul Halim, P. Abreu +368
A search for time-directional coincidences of ultra-high-energy (UHE) photons above 10 EeV with gravitational wave (GW) events from the LIGO/Virgo runs O1 to O3 is conducted with t…
Sensitivity of the Cherenkov Telescope Array to TeV photon emission from the Large Magellanic Cloud
The Cherenkov Telescope Array Consortium
A deep survey of the Large Magellanic Cloud at ~0.1-100TeV photon energies with the Cherenkov Telescope Array is planned. We assess the detection prospects based on a model for the…
Constraining the sources of ultra-high-energy cosmic rays across and above the ankle with the spectrum and composition data measured at the Pierre Auger Observatory
The Pierre Auger Collaboration, A. Abdul Halim, P. Abreu +365
In this work we present the interpretation of the energy spectrum and mass composition data as measured by the Pierre Auger Collaboration above eV. We use an ast…
Search for photons above 10 eV with the surface detector of the Pierre Auger Observatory
The Pierre Auger Collaboration, P. Abreu, M. Aglietta +365
We use the surface detector of the Pierre Auger Observatory to search for air showers initiated by photons with an energy above eV. Photons in the zenith angle range from…
Search for magnetically-induced signatures in the arrival directions of ultra-high-energy cosmic rays measured at the Pierre Auger Observatory
The Pierre Auger Collaboration, A. Aab, P. Abreu +372
We search for signals of magnetically-induced effects in the arrival directions of ultra-high-energy cosmic rays detected at the Pierre Auger Observatory. We apply two different me…
Ultrahigh-energy neutrino follow-up of Gravitational Wave events GW150914 and GW151226 with the Pierre Auger Observatory
The Pierre Auger Collaboration, A. Aab, P. Abreu +410
On September 14, 2015 the Advanced LIGO detectors observed their first gravitational-wave (GW) transient GW150914. This was followed by a second GW event observed on December 26, 2…
Interpretation of measurements of the number of muons in extensive air shower experiments
Raul Ribeiro Prado, Ruben Conceição, Mário Pimenta +1
In this paper we analyze the energy evolution of the muon content of air showers between and eV to be able to determine the most likely mass composition sce…
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…
Report of the Working Group on the Composition of Ultra High Energy Cosmic Rays
R. Abbasi, J. Bellido, J. Belz +10
For the first time a proper comparison of the average depth of shower maximum () published by the Pierre Auger and Telescope Array Observatories is presented. The $X_{…
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…
KASCADE-Grande measurements of energy spectra for elemental groups of cosmic rays
D. Fuhrmann, W. D. Apel, J. C. Arteaga-Velazquez +54
The KASCADE-Grande experiment, located at KIT-Karlsruhe, Germany, consists of a large scintillator array for measurements of charged particles, N_ch, and of an array of shielded sc…
The energy-spectrum of light primaries in the range from 10^{16.6} to 10^{18.2} eV
S. Schoo, W. D. Apel, J. C. Arteaga-Velazquez +54
Data of the Grande extension of the KASCADE experiment allows us to study extensive air showers induced by primary cosmic rays with energies above 10^{16} eV. The energy of an even…
KASCADE-Grande measurements of energy spectra for elemental groups of cosmic rays
Grande Collaboration, W. D. Apel, J. C. Arteaga-Velàzquez +55
The KASCADE-Grande air shower experiment [W. Apel, et al. (KASCADE-Grande collaboration), Nucl. Instrum. Methods A 620 (2010) 202] consists of, among others, a large scintillator a…
Description of Atmospheric Conditions at the Pierre Auger Observatory using the Global Data Assimilation System (GDAS)
The Pierre Auger Collaboration, P. Abreu, M. Aglietta +499
Atmospheric conditions at the site of a cosmic ray observatory must be known for reconstructing observed extensive air showers. The Global Data Assimilation System (GDAS) is a glob…
Kneelike structure in the spectrum of the heavy component of cosmic rays observed with KASCADE-Grande
Grande Collaboration, W. D. Apel, J. C. Arteaga-Velazquez +58
We report the observation of a steepening in the cosmic ray energy spectrum of heavy primary particles at about eV. This structure is also seen in the all-partic…
The KASCADE-Grande experiment: measurements of the all-particle energy spectrum of cosmic rays
J. C. Arteaga-Velázquez, W. D. Apel, K. Bekk +57
The all-particle energy spectrum as measured by the KASCADE-Grande experiment for E = 10^{16} - 10^{18} eV is presented within the framework of the QGSJET II/FLUKA hadronic interac…
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…
Investigation of the Properties of Galactic Cosmic Rays with the KASCADE-Grande Experiment
J. R. Hoerandel
The properties of galactic cosmic rays are investigated with the KASCADE-Grande experiment in the energy range between and eV. Recent results are discussed. The…
Test of hadronic interaction models with air shower data
J. R. Hoerandel
The description of high-energy hadronic interactions plays an important role in the (astrophysical) interpretation of air shower data. The parameter space important for the develop…