Institution: | 1. Physics Department, Universidad de Santiago de Chile, Casilla 347, Correo 2, Santiago, Chile;2. Chilean Air Force Polytechnic Academy of Aeronautics, Gran. Av. José M. Carrera Paradero 37, Los Cerillos, Santiago, Chile;3. Skobeltsyn Institute of Nuclear Physics, Moscow State University, Vorobievi Gori 119992, Moscow, Russia;4. Space Research Institute RAS, Moscow, Russia;5. Centre d’Etude Spatiale des Rayonnements, CNRS/UPS, BP 4346, 31028 Toulouse, France |