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  • Search for cascade decays of charged sleptons and sneutrinos in final states with three leptons and missing transverse momentum in ▫$\it {pp}$▫ collisions at ▫$\sqrt s = 13$▫ TeV with the ATLAS detector [Elektronski vir]
    Aad, Georges ...
    A search for cascade decays of charged sleptons and sneutrinos using final states characterized by three leptons (electrons or muons) and missing transverse momentum is presented. The analysis is ... based on a dataset with 140  fb−1 of proton-proton (pp) collisions at a center-of-mass energy of √𝑠 =13  TeV recorded by the ATLAS detector at the Large Hadron Collider. This paper focuses on a supersymmetric scenario that is motivated by the muon anomalous magnetic moment observation, dark-mattter relic density abundance, and electroweak naturalness. A mass spectrum involving light Higgsinos and heavier sleptons with a bino at intermediate mass is targeted. No significant deviation from the Standard Model expectation is observed. This search enables us to place stringent constraints on this model, excluding at the 95% confidence level charged slepton and sneutrino masses up to 450 GeV when assuming a lightest neutralino mass of 100 GeV and mass-degenerate selectrons, smuons and sneutrinos.
    Source: Physical review. D. [Elektronski vir]. - ISSN 2470-0029 (Vol. 112, [article number] 012005, Jul. 2025, str. 012005-1- 012005-41)
    Type of material - e-article ; adult, serious
    Publish date - 2025
    Language - english
    COBISS.SI-ID - 247021059

    Link(s):

    https://journals.aps.org/prd/pdf/10.1103/6gy3-cb4t
    DOI

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