TeV Scale B-L Extension of the Standard Model

We review the possibility of having a low energy (less than or similar to TeV) B-L extension of the Standard Model (SM), which is based on the gauge group SU(3)(C) x SU(2)(L) x U(1)(Y) x U(1)(B-L). This class of models can provide a natural explanation for the presence of three right-handed neutrinos, which are essential for accommodating the light neutrino masses. In addition, the model predicts the existence of an extra gauge boson and a new scalar Higgs. Therefore, it may lead to very interesting phenomenological implications different from the SM results which can be tested at the LHC. A summary of detailed analysis for the neutrino masses and mixing, for the U(1)(B-L) Higgs phenomenology, for right-handed neutrino signature, and for Leptogenesis is given.