activity
20072026
most citedUpper limit on the cosmic-ray photon fraction at EeV energies from the Pierre Auger Observatory

150 citations · 714 across the 49 of their papers we have counts for

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Showing 2009Show all

5 papers · 1 filter

astro-ph.IM2009★ 6 cited

Operations of and Future Plans for the Pierre Auger Observatory

The Pierre Auger Collaboration, J. Abraham, P. Abreu +469

Technical reports on operations and features of the Pierre Auger Observatory, including ongoing and planned enhancements and the status of the future northern hemisphere portion of…

astro-ph.HE2009★ 35 cited

Astrophysical Sources of Cosmic Rays and Related Measurements with the Pierre Auger Observatory

The Pierre Auger Collaboration, J. Abraham, P. Abreu +469

Studies of the correlations of ultra-high energy cosmic ray directions with extra-Galactic objects, of general anisotropy, of photons and neutrinos, and of other astrophysical effe…

astro-ph.HE2009★ 6 cited

The Cosmic Ray Energy Spectrum and Related Measurements with the Pierre Auger Observatory

The Pierre Auger Collaboration, J. Abraham, P. Abreu +469

Studies of the cosmic ray energy spectrum at the highest energies with the Pierre Auger Observatory.

astro-ph.IM2009★ 7 cited

Calibration and Monitoring of the Pierre Auger Observatory

The Pierre Auger Collaboration, J. Abraham, P. Abreu +470

Reports on the atmospheric monitoring, calibration, and other operating systems of the Pierre Auger Observatory. Contributions to the 31st International Cosmic Ray Conference, Lodz…

astro-ph.HE2009★ 150 cited

Upper limit on the cosmic-ray photon fraction at EeV energies from the Pierre Auger Observatory

The Pierre Auger Collaboration, J. Abraham, P. Abreu +458

From direct observations of the longitudinal development of ultra-high energy air showers performed with the Pierre Auger Observatory, upper limits of 3.8%, 2.4%, 3.5% and 11.7% (a…