Detection of heavy Majorana neutrinos and right-handed bosons

The SU _c (3) ⊗ SU _L (2) ⊗ SU _R (2) ⊗ U(1) left-right (LR) symmetric model explains the origin of the parity violation in weak interactions and predicts the existence of additional gauge bosons W _R and Z′. In addition, heavy right-handed Majorana neutrino states N arise naturally within the LR symmetric model. The states N could be partners of light neutrino states, related to their nonzero masses through the seesaw mechanism. This makes the searches for W _R , Z′, and N interesting and important. In the framework of the minimal LR model, we study the possibility to observe signals from N and W _R production in pp collisions after three years of running at low LHC luminosity. We show that their decay signals can be identified with a small background, especially in the case of same-sign leptons in the final state. For the integral LHC luminosity of L _t = 30 fb⁻¹, the 5σ discovery of W _R boson and heavy Majorana neutrinos N _e with masses $M_{W_R } $ up to 4 TeV and $M_{N_e } $ up to 2.4 TeV, respectively, is found to be possible.