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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…
Optical Relative Calibration and Stability Monitoring for the Auger Fluorescence Detector
Pierre Auger Collaboration, C. Aramo, J. Brack +13
The stability of the fluorescence telescopes of the Pierre Auger Observatory is monitored with the optical relative calibration setup. Optical fibers distribute light pulses to thr…
The Central Laser Facility at the Pierre Auger Observatory
F. Arqueros, J. Bellido, C. Covault +18
The Central Laser Facility is located near the middle of the Pierre Auger Observatory in Argentina. It features a UV laser and optics that direct a beam of calibrated pulsed light…
Fluorescence and Hybrid Detection Aperture of the Pierre Auger Observatory
J. A. Bellido, D. D'Urso, H. Geenen +5
The aperture of the Fluorescence Detector (FD) of the Pierre Auger Observatory is evaluated from simulated events using different detector configurations: mono, stereo, 3-FD and 4-…
A new method for the UHECR mass composition studies
M. Ambrosio, C. Aramo, D. D'Urso +3
The detemination of the primary cosmic ray mass composition from the longitudinal development of atmospheric cascades is still an open problem. In this work we propose a new method…