Phenomenology of supersymmetric Z' decays at the Large Hadron Collider

TL;DR

This paper explores the potential signatures of heavy Z' bosons decaying into supersymmetric particles at the LHC, analyzing their observable effects and comparing them with standard decay channels.

Contribution

It provides a detailed phenomenological study of Z' decays into supersymmetric particles within a modified MSSM framework, including comparisons with other Z' decay modes.

Findings

Z' decays into superpartners produce distinctive charged lepton and missing energy signatures.

Comparison shows differences in observables between supersymmetric and standard Z' decay channels.

Results highlight potential detection strategies for Z' in supersymmetric models at the LHC.

Abstract

I study the phenomenology of heavy neutral bosons Z', predicted in GUT-inspired U(1)' models, at the Large Hadron Collider. In particular, I investigate possible signatures due to Z' decays into superymmetric particles, such as chargino, neutralino and sneutrino pairs, leading to final states with charged leptons and missing energy. The analysis is carried out at sqrt{s}=14 TeV, for a few representative points of the parameter space of the Minimal Supersymmetric Standard Model, suitably modified to accommodate the extra Z' boson and consistent with the discovery of a Higgs-like boson with mass around 125 GeV. Results are presented for several observables and compared with those obtained for direct Z' decays into lepton pairs, as well as direct production of supersymmetric particles. For the sake of comparison, Z' phenomenology in an effective supersymmetric extension of the Sequential Standard Model is also discussed.