Slide 1 Status of Top-Down Models for the Origin of Ultra-High Energy Cosmic Rays I. Observation of ultra-high energy cosmic rays before the Pierre Auger Observatory II.…

Slide 1 Slide 2 Slide 3 What we (don’t) know about UHECRs We know: their energies (up to 10 20 eV). their overall energy spectrum We don’t know: where they are produced…

The cosmic ray luminosity of the nearby active galactic nuclei L.G. Dedenko1, D.A. Podgrudkov1, T.M. Roganova2, G.F. Fedorova2 1 Faculty of physics, M.V. Lomonosov Moscow…

LHCf status and results LHCf: status and future programs Oscar Adriani University of Florence & INFN Firenze With introduction and summary for ‘young newcomers’ +…

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Articles Articles Siempre imaginé que el Paraíso sería algún tipo de biblioteca (Borges) (PAMELA Collaboration) 1 Fermi Collaboration, Nature 462 (2009) 331 2…

Research at VATLY P.N. Diep for P.T. Anh, P. Darriulat, P.N. Dong, D.T. Hoai, P.T. Nhung, N.T. Phuong and N.T. Thao (Institute for Nuclear Science and Technolgy, Hanoi, Vietnam)…

Astroparticle Physics with LOFAR and SKA LOFAR Cosmic Ray KSP Heino Falcke Radboud University, Nijmegen ASTRON, Dwingeloo 1 What we (don’t) know about UHECRs We know: their…