635 citations
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Showing 2009Show all
3 papers · 1 filter
cond-mat.stat-mech2009★ 1 cited
Quantum hypernetted chain approximation for one dimensional fermionic systems
C. O. Stoico, C. M. Carlevaro, D. G. Renzi +1
In this comprehensible article we develop, following Fantoni and Rosati formalism, a hypernetted chain approximation for one dimensional systems of fermions. Our scheme differs fro…
astro-ph.IM2009★ 380 cited
The Fluorescence Detector of the Pierre Auger Observatory
The Pierre Auger Collaboration, J. Abraham, P. Abreu +515
The Pierre Auger Observatory is a hybrid detector for ultra-high energy cosmic rays. It combines a surface array to measure secondary particles at ground level together with a fluo…
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…