International partnership Italy (ICARUS) INFN Bologna and University of Bologna INFN Catania and University of Catania INFN Genova and University of Genova INFN LNGS, Assergi INFN Milano INFN Milano Bicocca INFN Napoli INFN Padova and University of Padova INFN Pavia and University of Pavia Italy (Other) INFN Lecce and University of Salento Switzerland CERN United States Fermilab Brookhaven National Laboratory Colorado State University University of Houston University of Pittsburgh University of Rochester SLAC National Accelerator Laboratory Southern Methodist University University of Texas at Arlington Tufts University Mexico Centro de Investigacion y de Estudios Avanzados del IPN