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We propose a low scale renormalizable left-right symmetric theory thatsuccessfully explains the observed SM fermion mass hierarchy, the tiny valuesfor the light active neutrino masses and is consistent with the lepton andbaryon asymmetries of the Universe, the muon and electron anomalous magneticmoments as well as the with the constraints arising from the mesonoscillations. In the proposed model the top and exotic quarks obtain masses attree level, whereas the masses of the bottom, charm and strange quarks, tau andmuon leptons are generated from a tree level Universal Seesaw mechanism, thanksto their mixings with the charged exotic vector like fermions. The masses forthe first generation SM charged fermions arise from a radiative seesawmechanism at one loop level, mediated by charged vector like fermions andelectrically neutral scalars. The light active neutrino masses are producedfrom a one-loop level inverse seesaw mechanism mediated by electrically neutralscalar singlets and right handed Majorana neutrinos. Our model is alsoconsistent with the experimental constraints arising from the Higgs diphotondecay rate as well as with the constraints arising from charged lepton flavorviolation. We also discuss the $Z^{\prime }$ and heavy scalar production at aproton-proton collider.

A renormalizable left-right symmetric model with low scale seesaw mechanisms