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Neutrino Detection with the Surface Array of the Pierre Auger Observatory
H. J. Blümer, D. Gora, M. Roth +1
The Pierre Auger Observatory has the capability of detecting neutrino-induced extensive air showers by searching for very inclined showers with a significant electromagnetic compon…
Correlation of the highest-energy cosmic rays with the positions of nearby active galactic nuclei
The Pierre Auger Collaboration
Data collected by the Pierre Auger Observatory provide evidence for anisotropy in the arrival directions of the cosmic rays with the highest energies, which are correlated with the…
Simulation of up- and down-going neutrino induced showers at the site of the Pierre Auger Observatory
Dariusz Gora, Markus Roth, Alessio Tamburro
We present a study about the possibility to detect neutrino induced extensive air showers at the Pierre Auger Observatory. The Monte Carlo simulations performed take into account t…
Variation of atmospheric depth profile on different time scales
B. Wilczynska, D. Gora, P. Homola +3
The vertical profile of atmospheric depth is an important element in extensive air shower studies. The depth of shower maximum is one of the most important characteristics of the s…
Photon air showers at ultra-high energy and the photonuclear cross-section
M. Risse, P. Homola, R. Engel +5
Experimental conclusions from air shower observations on cosmic-ray photons above 10^19 eV are based on the comparison to detailed shower simulations. For the calculations, the pho…
Atmospheric Profiles at the Southern Pierre Auger Observatory and their Relevance to Air Shower Measurement
B. Keilhauer, J. Bluemer, R. Engel +8
The dependence of atmospheric conditions on altitude and time have to be known at the site of an air shower experiment for accurate reconstruction of extensive air showers and thei…
On a possible photon origin of the most-energetic AGASA events
P. Homola, M. Risse, R. Engel +5
In this work the ultra high energy cosmic ray events recorded by the AGASA experiment are analysed. With detailed simulations of the extensive air showers initiated by photons, the…
Was the Highest Energy Cosmic Ray a Photon?
P. Homola, M. Risse, D. Gora +5
The hypothetical photonic origin of the most energetic air shower detected by the Fly's Eye experiment is discussed. The method used for the analysis is based on Monte Carlo simula…
Simulation of air shower image in fluorescence light based on energy deposits derived from CORSIKA
D. Gora, D. Heck, P. Homola +5
Spatial distributions of energy deposited by an extensive air shower in the atmosphere through ionization, as obtained from the CORSIKA simulation program, are used to find the flu…
Primary Particle Type of the Most Energetic Fly's Eye Air Shower
M. Risse, P. Homola, D. Gora +3
The longitudinal profile of the most energetic cosmic-ray air shower measured so far, the event recorded by the Fly's Eye detector with a reconstructed primary energy of about 320…
Simulation of Ultra-High Energy Photon Propagation in the Geomagnetic Field
P. Homola, D. Gora, D. Heck +5
The identification of primary photons or specifying stringent limits on the photon flux is of major importance for understanding the origin of ultra-high energy (UHE) cosmic rays.…
A Study Of Very Inclined Showers In The Pierre Auger Observatory
M. Ave
The Engineering Array of the Auger Observatory has been running successfully since 2001 and inclined showers have been recorded from the start. We have analysed the events with zen…
Calibration of the Pierre Auger fluorescence detector
M. D. Roberts
The absolute calibration of an air fluorescence detector (FD) is an important element in correctly determining the energy of detected cosmic rays. The absolute calibration relates…