From Dirac to Neutrino Oscillations

1bis text is meant to be a view of the quantum mechanical fonnalism as it develops with the successive introduction of different types oftransfonnations. In particular, it is meant to help the readers with three tasks: acquainting themselves with a general and direct approach to the quantum mechanics of spin­ one-half and spin-one particles, primarily leptons, photons and massive vector bosons, an...