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Search for squarks and gluinos in final states with same-sign leptons and jets using 139 fb$^{-1}$ of data collected with the ATLAS detector

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arxiv 1909.08457 v2 pith:UJMCW4P7 submitted 2019-09-18 hep-ex

classification hep-ex
keywords atlasleptonssearchdatadetectorisolatedjetsmasses
verification ladder T0 review T1 audit T2 compute T3 formal
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abstract

A search for supersymmetric partners of gluons and quarks is presented, involving signatures with jets and either two isolated leptons (electrons or muons) with the same electric charge, or at least three isolated leptons. A data sample of proton-proton collisions at $\sqrt{s}$ = 13 TeV recorded with the ATLAS detector at the Large Hadron Collider between 2015 and 2018, corresponding to a total integrated luminosity of 139 fb$^{-1}$, is used for the search. No significant excess over the Standard Model expectation is observed. The results are interpreted in simplified supersymmetric models featuring both R-parity conservation and R-parity violation, raising the exclusion limits beyond those of previous ATLAS searches to 1600 GeV for gluino masses and 750 GeV for bottom and top squark masses in these scenarios.

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Cited by 4 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Search for higgsinos in compressed mass spectra using low-momentum tracks in $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector

    hep-ex 2025-11 accept novelty 6.0 of 10

    No excess over the Standard Model is observed; ATLAS excludes chargino masses below 126 GeV at 95% CL for mass splittings of 0.3–2 GeV in a simplified higgsino model.

  2. Search for heavy neutral leptons in decays of W bosons produced in 13 TeV pp collisions using prompt signatures in the ATLAS detector

    hep-ex 2025-08 accept novelty 4.0 of 10

    The ATLAS search finds no evidence of heavy neutral leptons in W boson decays and sets the strongest limits to date on their mixing with electron and muon neutrinos in the 15-30 GeV mass range.

  3. Experimental search potential for sbottom via $\tilde\chi^{\pm}_1$ decays at the LHC Run-3 and HL-LHC, in final states with same-sign leptons and multiple jets

    hep-ex 2024-12 conditional novelty 4.0 of 10

    Projected exclusion limits for sbottom masses up to about 1050 GeV at Run-3 and a 100 GeV improvement at HL-LHC, based on scaling an existing ATLAS search.

  4. ATLAS searches for higgsinos with R-parity violating couplings in events with leptons

    hep-ex 2024-12 unverdicted novelty 1.0 of 10

    An ATLAS conference document summarizing two searches for R-parity-violating higgsinos in 139 fb^-1 of 13 TeV data, finding no excess and setting mass exclusions up to 440 GeV.

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