Home > Public Research Printable version INFN research activities are organized in five national groups, working on different projects: Particle physicsAlso known as high energy physics. It studies the fundamental components and interactions in the matter. Astroparticle physicsAstroparticle physics and neutrino physics. Nuclear physics Theoretical physicsDeveloping theories and models to explain physics. Technological researchIt studies the application of the advanced technologies developed for physics experiments.