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Search for new resonances in events with one lepton and missing transverse momentum in $pp$ collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector

The ATLAS collaboration
Phys.Lett. B762 (2016) 334-352, 2016

Abstract (data abstract)
CERN-LHC. A search for $W^\prime$ bosons in events with one lepton (electron or muon) and missing transverse momentum is presented. The search uses 3.2 fb$^{-1}$ of $pp$ collision data collected at $\sqrt{s} = 13$ TeV by the ATLAS experiment at the LHC in 2015. The transverse mass distribution is examined and no significant excess of events above the level expected from Standard Model processes is observed. Upper limits on the $W^\prime$ boson cross-section times branching ratio to leptons are set as a function of the $W^\prime$ mass. Assuming a $W^\prime$ boson as predicted by the Sequential Standard Model, $W^\prime$ masses below 4.07 TeV are excluded at the 95% confidence level. This extends the limit set using LHC data at $\sqrt{s}=8$ TeV by around 800 GeV.

  • Table 1

    Data from Figure 1a

    10.17182/hepdata.75363.v1/t1

    Observed and predicted electron channel transverse mass (MT) distribution in the search region. The bin width is constant in log(MT).

  • Table 2

    Data from Figure 1b

    10.17182/hepdata.75363.v1/t2

    Observed and predicted muon channel transverse mass (MT) distribution in the search region. The bin width is constant in log(MT).

  • Table 3

    Data from Figure 5 (aux material)

    10.17182/hepdata.75363.v1/t3

    W' Product of acceptance and efficiency for the electron and muon selections as a function of the SSM W' pole...

  • Table 4

    Data from Figure 2a, 2b, 3

    10.17182/hepdata.75363.v1/t4

    Median expected and observed 95% CL upper limits on the cross-section times branching ratio (sigma*B) for W'_SSM production for the...

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