Abstract
We perform a detailed study of the various decay channels of the heavy charged and neutral gauge bosons ($W_R$ and $Z_R$ respectively) in a left-right supersymmetric (LRSUSY) framework. The decay branching ratios of the $W_R$ and $Z_R$ bosons depend significantly on the particle spectrum and composition of the SUSY states. We show several combinations of mass spectrum for the SUSY particles to facilitate the decay of these heavy gauge bosons into various combinations of final states. Finally, we choose two benchmark points and perform detailed collider simulations for these heavy gauge bosons in the context of the high energy and high luminosity run of the large hadron collider. We analyze two SUSY cascade decay channels -- mono-$W$ + $\slashed{E}_T$ and mono-$Z$ + $\slashed{E}_T$ along with the standard dilepton and dijet final states. Our results show that the existence of these heavy gauge bosons can be ascertained in the direct decay channels of dilepton and dijet whereas the other two channels will be required to establish the supersymmetric nature of this model.
Highlights
The recent discovery of the Higgs-like scalar boson at the Large Hadron Collider (LHC) [1] has essentially completed the particle spectrum of the standard model (SM)
We have performed a detailed study of the heavy gauge boson decays and corresponding collider phenomenology in a minimal left-right supersymmetric model with automatic R-parity conservation
The LR symmetry is broken in the SUSY limit, making the additional WR and ZR gauge bosons heavier than the SUSY particles
Summary
The recent discovery of the Higgs-like scalar boson at the Large Hadron Collider (LHC) [1] has essentially completed the particle spectrum of the standard model (SM). Several new decay channels are opened up in some of these cases, which provide completely new collider prospects to search these heavy gauge bosons These new decay channels can alter the heavy gauge boson mass limits and allow for new possibilities to discover SUSY particles at the LHC. They have not been discussed previously in the literature, which motivates us to analyze. These signals have already been studied at the LHC for DM searches to constrain them but they have so far not been considered as a search channel for heavy gauge bosons Our analysis of these final states though gives promising results as a discovery channel for a WR or ZR boson in the LRSUSY framework. All the relevant interactions of the WR and ZR bosons leading to their decays are provided in the appendixes
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