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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…
The GZK cutoff behind a Magnetized Universe
Olivier Deligny, Antoine Letessier-Selvon, Etienne Parizot
We study the effect of random extra-galactic magnetic fields on the propagation of protons of energy larger than eV. We show that for reasonable field values (in the 100…
Multiple UHECR Events from Galactic hadron jets
E. Parizot
We propose a new observational test of top-down source models for the ultra-high-energy cosmic-rays (UHECRs), based on the simultaneous observation of two or more photons from the…