Distinguishing the Littlest Higgs model with T-parity from supersymmetry at the LHC using trileptons

TL;DR

This paper compares the trilepton signals of the Littlest Higgs model with T-parity and supersymmetry at the LHC, identifying ways to distinguish these models despite similar mass spectra.

Contribution

It provides a detailed analysis of hadronically quiet trilepton signatures to differentiate between the Littlest Higgs model with T-parity and supersymmetry at the LHC.

Findings

Identifies parameter regions where signals are detectable above background.

Proposes methods to distinguish models even with similar mass spectra.

Highlights specific trilepton signatures unique to each model.

Abstract

We analyse hadronically quiet trilepton signatures in the T-parity conserving Littlest Higgs model and in R-parity conserving supersymmetry at the Large Hadron Collider. We identify the regions of the parameter space where such signals can reveal the presence of these new physics models above the Standard Model background and distinguish them from each other, even in a situation when the mass spectrum of the Littlest Higgs model resembles the supersymmetric pattern.