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Search for dijet resonances in events with an isolated charged lepton using $\sqrt{s} = 13$ TeV proton-proton collision data collected by the ATLAS detector

The ATLAS collaboration
JHEP 06 (2020) 151, 2020.

Abstract (data abstract)
CERN-LHC. A search for dijet resonances in events with at least one isolated charged lepton is performed using $139~{\text{fb}}^{-1}$ of $\sqrt{s}=13$ TeV proton--proton collision data recorded by the ATLAS detector at the LHC. The dijet invariant-mass ($m_{jj}$) distribution constructed from events with at least one isolated electron or muon is searched in the region $0.22 < m_{jj} < 6.3$ TeV for excesses above a smoothly falling background from Standard Model processes. Triggering based on the presence of a lepton in the event reduces limitations imposed by minimum transverse momentum thresholds for triggering on jets. This approach allows smaller dijet invariant masses to be probed than in inclusive dijet searches, targeting a variety of new-physics models, for example ones in which a new state is produced in association with a leptonically decaying $W$ or $Z$ boson. No statistically significant deviation from the Standard Model background hypothesis is found. Limits on contributions from generic Gaussian signals with widths ranging from that determined by the detector resolution up to 15% of the resonance mass are obtained for dijet invariant masses ranging from 0.25 TeV to 6 TeV. Limits are set also in the context of several scenarios beyond the Standard Model, such as the Sequential Standard Model, a technicolor model, a charged Higgs boson model and a simplified Dark Matter model.

  • Table 1: 95% CL upper limit on XSEC times BR

    Tabulated data from Figure 05a in the publication

    10.17182/hepdata.94787.v1/t1

    Observed and expected 95% credibility-level upper limits on the cross-section times acceptance times branching ratio for the techicolor model with...

  • Table 2: 95% CL upper limit on XSEC times BR

    Tabulated data from Figure 05b in the publication

    10.17182/hepdata.94787.v1/t2

    Observed and expected 95% credibility-level upper limits on the cross-section times acceptance times branching ratio for $W' \to Z' W^{\pm}$...

  • Table 3: 95% CL upper limit on XSEC times BR

    Tabulated data from Figure 05c in the publication

    10.17182/hepdata.94787.v1/t3

    Observed and expected 95% credibility-level upper limits on the cross-section times branching ratio for the $tbH^+$ model. The table also...

  • Table 4: 95% CL upper limit on XSEC times BR

    Tabulated data from Figure 05d in the publication

    10.17182/hepdata.94787.v1/t4

    Observed and expected 95% credibility-level upper limits on the cross-section times branching ratio for the simplified dark-matter model. The table...

  • Table 5: 95% CL upper limit on XSEC times BR

    Tabulated data from Table 1 of auxiliary material

    10.17182/hepdata.94787.v1/t5

    The 95% CL upper limits on the cross-section times acceptance times efficiency times branching ratio, as a function of the...

  • Table 6: 95% CL upper limit on XSEC times BR

    Tabulated data from Table 2 of auxiliary material

    10.17182/hepdata.94787.v1/t6

    The 95% CL upper limits on the cross-section times acceptance times efficiency times branching ratio, as a function of the...

  • Table 7: 95% CL upper limit on XSEC times BR

    Tabulated data from Table 3 of auxiliary material

    10.17182/hepdata.94787.v1/t7

    The 95% CL upper limits on the cross-section times acceptance times efficiency times branching ratio, as a function of the...

  • Table 8: 95% CL upper limit on XSEC times BR

    Tabulated data from Table 4 of auxiliary material

    10.17182/hepdata.94787.v1/t8

    The 95% CL upper limits on the cross-section times acceptance times efficiency times branching ratio, as a function of the...

  • Table 9: Truth-level values for $\rho_T$ model

    Tabulated data from Table 9 of auxiliary material

    10.17182/hepdata.94787.v1/t9

    Truth-level cross-sections ($\sigma$), acceptances ($A$), detector efficiencies ($\epsilon$) and the detector-level visible cross-sections ($\sigma^{vis}$) for different masses of the $\rho_T$...

  • Table 10: Truth-level values for SSM model

    Tabulated data from Table 10 of auxiliary material

    10.17182/hepdata.94787.v1/t10

    Truth-level cross-sections ($\sigma$), acceptances ($A$), detector efficiencies ($\epsilon$) and the detector-level visible cross-sections ($\sigma^{vis}$) for different masses of the $W'/Z'$...

  • Table 11: Truth-level values for $H^+$ model

    Tabulated data from Table 11 of auxiliary material

    10.17182/hepdata.94787.v1/t11

    Truth-level cross-sections ($\sigma$), acceptances ($A$), detector efficiencies ($\epsilon$) and the detector-level visible cross-sections ($\sigma^{vis}$) for different masses of the $H^+$...

  • Table 12: Truth-level values for Simplified DM model

    Tabulated data from Table 12 of auxiliary material

    10.17182/hepdata.94787.v1/t12

    Truth-level cross-sections ($\sigma$), acceptances ($A$), detector efficiencies ($\epsilon$) and the detector-level visible cross-sections ($\sigma^{vis}$) for different masses of the $Z'$...

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