Implementation of the ATLAS-EXOT-2018-030 analysis in the MadAnalysis 5 framework ($W′$ boson into a lepton and a neutrino; 139 fb$^{−1}$)

We present the MadAnalysis 5 implementation of the heavily charged gauge boson search to recast the analysis of its decay into one charged lepton and missing transverse momentum. Signal events describing pp → W′→ lν l (l = e or μ) at s = 13 TeV in the sequential standard model are generated by the MadGraph5_aMC@NLO at leading order. The corresponding signal cross-sections for both electron and muon channels vary from 195 fb to 0.238 fb depending on the pole mass of the W′ boson in the range of 2 TeV to 6 TeV. We validate our implementation by comparing the transverse mass distributions of our signal prediction to those of the ATLAS analysis for an integrated luminosity of 139 fb−1.