Abstract:
The standard model of particle physics is a remarkable work and has been examined to high level of accuracy. However, the SM predicts vanishing neutrino mass, but the recent evidence from neutrino oscillation suggested that the neutrino has finite mass. We discuss here a possible theory of neutrino mass in the minimal change of the standard model and the implementation of the three types of see saw mechanism in a way that leads to neutrino Majorana mass and to explain the smallness of neutrino mass.
