2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/84060The general status of neutrino physics are given. The history of the neutrino, starting from Pauli and Fermi, is presented. The phenomenological V-A theory of the weak interaction and the unified theory of the weak and electromagnetic interactions, the so-called Standard Model, are discussed. The problems of of neutrino masses, neutrino mixing, and neutrino oscillations are discussed in some details.46 pages, 11 figures, LATEXHistory and Philosophy of PhysicsHigh Energy Physics - PhenomenologyPhysics EducationGeneral Physicstext