Detection of heavy Majorana neutrinos and right-handed bosons
Journal Article
·
· Physics of Atomic Nuclei
- Russian Academy of Sciences, Institute for Nuclear Research (Russian Federation)
The SU{sub c}(3) - SU{sub L}(2) - SU{sub 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{sub 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{sub 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{sub 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{sub t} = 30 fb{sup -1}, the 5{sigma} discovery of W{sub R} boson and heavy Majorana neutrinos N{sub e} with masses M{sub W{sub R}} up to 4 TeV and M{sub N{sub e}} up to 2.4 TeV, respectively, is found to be possible.
- OSTI ID:
- 21075927
- Journal Information:
- Physics of Atomic Nuclei, Journal Name: Physics of Atomic Nuclei Journal Issue: 3 Vol. 70; ISSN 1063-7788; ISSN PANUEO
- Country of Publication:
- United States
- Language:
- English
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