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

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.

14 pages, 4 figures, Latex; v2: a few comments and references added, typos corrected, conclusions unchanged, version to be published in Physics Letters B

References in corpus (8)

• Hunting for the Top Partner in the Littlest Higgs Model with T-parity at the LHC
• Lepton flavour violation in The Little Higgs model
• Higgs-pair Production in Littlest Higgs Model with T-parity
• Topological Physics of Little Higgs Bosons
• T-Anomaly Induced LHC Signals
• Signatures of Extra Gauge Bosons in the Littlest Higgs Model with T-parity at Future Colliders
• The study of sq_L sq_L production at LHC in the l^\pm l^\pm channel and sensitivity to other models
• Distinguishing Supersymmetry From Universal Extra Dimensions or Little Higgs Models With Dark Matter Experiments