Three-family left-right symmetry with low-scale seesaw mechanism

TL;DR

This paper proposes a new left-right symmetric model with a low-scale seesaw mechanism, requiring three fermion families, and explores its implications for new gauge bosons and flavor physics at colliders and meson systems.

Contribution

It introduces a novel left-right symmetric model with a low-scale seesaw mechanism that predicts new physics accessible at current experiments.

Findings

Predicts new $Z'$ gauge bosons detectable at the LHC

Links the model to flavor-changing effects in meson systems

Provides a framework for right-handed neutrino production

Abstract

We suggest a new left-right symmetric model implementing a low-scale seesaw mechanism in which quantum consistency requires three families of fermions. The symmetry breaking route to the Standard Model determines the profile of the "next" expected new physics, characterized either by the simplest left-right gauge symmetry or by the 3-3-1 scenario. The resulting $Z^\prime$ gauge bosons can be probed at the LHC and provide a production portal for the right-handed neutrinos. On the other hand, its flavor changing interactions would affect the K, D and B neutral meson systems.